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  • Your better experience Your better experience

    Getting an Accessen Heat Exchanger is just the beginning of your experience. Our customer relationships are ever-lasting. From initial commissioning to background support, providing consultative services and technology. Our adherence and commitment to excellent product quality is as important and strict as how we view our customer service commitment and support.

  • Coustomer Satisfaction Coustomer Satisfaction

    We take the "customer satisfaction" to a whole new level, with sales and after-sales service network throughout the whole region.. Establishing throughout the country, "2 hours response time", "On-site service within 4 hours" and "Problem resolution within 24 hours," to actively improve end-user’s experience with our products and personalized services.

  • Brunei Darussalam, Cambodia, Indonesia, Lao PDR, Malaysia, Myanmar, Philippines, Singapore, Thailand, Viet Nam
    Brunei Darussalam, Cambodia, Indonesia, Lao PDR, Malaysia, Myanmar, Philippines, Singapore, Thailand, Viet Nam
  • Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, Sri Lanka
    Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, Sri Lanka
  • Bahrain, Cyprus, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Palestine, Qatar, Saudi Arabia
    Bahrain, Cyprus, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Palestine, Qatar, Saudi Arabia
  • 1458 Xiechun Road,
    Accessen ExportExport Team
    Accessen Export
    Export Team
    1458 Xiechun Road,
  • 1458 Xiechun Road, Jiading District, Shanghai
    1458 Xiechun Road,
    Jiading District, Shanghai
  • In the drug industry process of using the gasket plate heat exchanger, the calcium, magnesium and carbonate in the water will be decomposed into calcium carbonate and calcium hydroxide precipitates on...
    In the drug industry process of using the gasket plate heat exchanger, the calcium, magnesium and carbonate in the water will be decomposed into calcium carbonate and calcium hydroxide precipitates on the heating surface of the heat exchanger, forming a hard scale. Due to the poor thermal conductivity of scale, the heat exchange efficiency of heat exchanger is reduced and the heat energy is wasted seriously.

    Here are some ethods for cleaning fouling on gasket plate heat exchanger


    1.Mechanical cleaning is the simplest cleaning method, but the disadvantages are:
    A.There are scratches on the plate, and it is easier to hang scale after brushing.
    B.Workers work in cold water with poor working conditions.
    C. When cleaning, the heat exchanger must be dismantled, which is easy to damage the plate and gasket and result in high labor intensity.
    2. Chemical cleaning: It is found through experiments that formic acid and oxalic acid are better cleaning solutions without corroding the heat exchanger plates.
    A.Formic acid cleaning. Adding buffer and surfactant in formic acid cleaning solution can improve the cleaning effect and reduce the corrosion of cleaning solution to plate.


    The technological requirements for cleaning scale


    1.Pickling temperature: raising pickling temperature is beneficial to improve the scale removal effect. If the temperature is too high, it will aggravate the corrosion of pickling solution to heat exchanger plate. It is advisable to keep pickling temperature at 60 ℃.
    2.Concentration of pickling solution: According to the test, the pickling solution should be prepared according to the concentration of formic acid 81.0%, water 17.0%, buffer 1.2%, surfactant 0.8%, and the cleaning effect is excellent.
    3.Pickling method and time: pickling time is static soaking for 2 hours, then dynamic cycling for 3-4 hours.
    4.Passivation treatment: After pickling, most of the scale and metal oxide on the surface of plate heat exchanger are dissolved and peeled off, which exposes brand- new metals and is very easy to corrode. Therefore, after pickling, the plate of heat exchanger should be passivated.


    Specific steps for cleaning scale


    1.Flushing: before pickling, the heat exchanger should be flushed open-style, so that there is no mud, dirt and other impurities in the heat exchanger.
    2.Pour the cleaning fluid into the cleaning facility and then inject it into the heat exchanger.
    3.Pickling: the heat exchanger filled with acid solution is immersed in static state for 2 hours, and then continuously circulated for 3-4 hours, during which positive and negative alternating cleaning is carried out every 0.15 hours. After pickling, if the pH value of acid is greater than 2, the acid can be reused. Otherwise, the acid should be diluted and neutralized and discharged.
    4.Alkali washing: After pickling, the heat exchanger is alkali washed with trisodium phosphate and softened water in a certain proportion. The heat exchanger is neutralized by acid and alkali by means of dynamic circulation, so that the plate of the heat exchanger is no longer corroded.
    5.Washing: After alkali washing, rinse the heat exchanger repeatedly with clean softened water for 0.15h, and rinse the residue in the heat exchanger thoroughly.


    Oxalic acid cleaning


    Oxalic acid can react with scale and has no corrosion to plate. Cleaning process:
    1.Without dismantling the heat exchanger, water injection valves are installed in the inlet and outlet valves of the secondary network of the heat exchanger, and 3%-5% oxalic acid solution in the water tank is injected into the heat exchanger. The oxalic acid solution is forced to circulate between the heat exchanger and the water tank by a circulating pump to achieve the purpose of cleaning.
    2.Clean twice, three or four hours each time. After dismantling the heat exchanger, the plate is as clean as new and the test is successful.
    3.Wash with 2% trisodium phosphate and rinse with clean water twice.
    Oxalic acid should be used to clean the plates. The following operating procedures must be followed:
    I.The water temperature must be < 16 C.
    II.Oxalic acid concentration < 5%, soaking time should not exceed 6 hours;
    III.Solution tank must be protected from light;
    IV.After washing with oxalic acid, it must be washed with 2% trisodium phosphate and rinsed twice with clean water.
    V.The valves for inlet and outlet must be strict, and the solution must not enter the system.
    VI.Cleaning fluid must not be put into pump pit, but into sewage.

  • On September 23, 2017, Accessen was invited to participate in the 24-hour relay race in Shanghai Station. Sponsored by China Life, the event is supported by the project of "Frozen Million Respiratory ...


    On September 23, 2017, Accessen was invited to participate in the 24-hour relay race in Shanghai Station. Sponsored by China Life, the event is supported by the project of "Frozen Million Respiratory Project" and the project of "Yao Foundation Hope Primary School Basketball Season". The event was held with the idea of "making running more meaningful and appealing for more people to participate in charity". At the same time, through the company-wide and affiliated units to launch the "Tibet Naqu Central Primary School Hope Plan" project, to add educational materials to the Naqun Central Primary School crowd-raising activities. All the money raised will be used to purchase books, dictionaries, stationery and other educational materials for schools and children.


    Naqu Central Primary School is located in Naqu County, Naqu District, Tibet Autonomous Region, China. It is located at an average altitude of more than 4450 meters. It is cold, anoxic, dry and has an average annual temperature of - 2.2 C. There are 653 lovely children in the school. Accessen combines the heating demand of special geographical environment such as high altitude, and provides heat exchange equipment for Naqu area, which greatly improves the urban infrastructure of Naqu area and brings warmth to the local people. When the colleagues of Exxon's Tibet-based service found out that the primary school education resources of Naqu Center in Tibet were relatively scarce, they hoped to share "Ai" with Tibetan children through this activity and convey warmth and love to them.

    On the day of the race, the weather changed from cloudy to severe rainstorm, which caused more than 20 teams to withdraw from the race. In order to accomplish this sacred mission, the 10 elite athletes of the group, representing more than 100 elite sports clubs in the whole country, run continuously 24 hours in team cooperation, and pass on their love all the time. Eventually, the " Running Group" completed a 246.4 kilometer relay run in a day and night. As our said, "If you don't run, you will never know the joy of putting on running shoes and stepping on the runway." People who run alone will never understand the significance of teamwork. Let everyone understand the meaning of the team, let the team support everyone's breakthroughs; let's keep running, let's pass on our love.
  • Reforming unit renovation project of Sinopec Changling (Oil&Chemical)China Petroleum & Chemical Corporation (Sinopec Group), the largest shareholder of Sinopec Corp., is a super-large petroleu...
    Reforming unit renovation project of Sinopec Changling (Oil&Chemical)

    China Petroleum & Chemical Corporation (Sinopec Group), the largest shareholder of Sinopec Corp., is a super-large petroleum and petrochemical group incorporated by the State in July 1998 based on the former China Petrochemical Corporation. Funded by the State, it is a State authorized investment arm and State-owned controlling company. The registered capital of Sinopec is 182 billion Chinese Yuan. HQ located in Beijing.

    Sinopec Changling branch is a large state-owned industrial enterprise directly subordinate to Sinopec. The company located in Lukou Town, Yunxi Area, Yueyang City, nearby the beautiful coast of Dongting Lake and Yangtze River. Sinopec Changling branch grew out of the Changling Oil Refinery, was founded in 1995 and put into production in 1971. After 40 years' reform and development, the initial only 2.5 million tons/year crude oil processing refinery which only owned 4 sets of production devices was built into a large oil refining chemical enterprise which has the ability of crude oil processing 8 million tons/ year and the annual output of polypropylene 0.13 million tons. And owned refining/ chemical production devices 30 sets. Changling branch has become the most important petroleum and chemical industrial base in South and middle of China.


    Plate Heat Exchanger adopted in reforming plant of oil refining industry in domestic was the first time. As the Flexible Solution on Demand supplier Shanghai Accessen finally decided to adopt All Welded Plate& Frame type Heat Exchanger after several times’ technical communication with Institute of Design of Sinopec, project management department and the owner. The time the supplied one set All-Welded Plate and Frame.

    Heat Exchanger AWD series to replace three sets traditional tube type Heat Exchanger as the tower top cooler(Pentane Oil Separation cooler) in reforming device to cooling the oil gas from 78 degree Celsius to 40 and the extreme working pressure was 25kg. Compare with the former tube type exchanger our supplied All Welded Plate & Frame type PHE will save 60% on capitalized cost and save 80% space of the site. Furthermore the running expense is much lower than before. This case has a profound significance for the reforming unit of the whole oil refining industry.

    Shanghai Accessen Group Co., Ltd. professionally specializes in heat exchangers R&D, manufacturing, sales and service. We passed ISO9001: 2000 Quality System Certification, ISO14001: 2004 Environmental System Quality Certification, OHSAS18001: 1999 Occupational Health and Safety System Certification. Accessen’s three manufacturing bases located in Shangahi and Jiangsu China. Established in Shanghai, in the year 2002. Over 100,000 square meters in total, producing up to 30000 heat exchangers and 5000 heat exchanger units annually.

    The core of Accessen´s operations is based one key technologies: customized products. Also complying with ASME, PED--CE, API, JIS, IEC, DNV, ABS, BV, CCS, GB and other international specifications and standards.

  • Shanghai Lingkong SOHO is located in the Hongqiao Airport Economic park, Changning District, Shanghai, adjacent to the Hongqiao comprehensive transportation hub. It is an international business headqu...
    Shanghai Lingkong SOHO is located in the Hongqiao Airport Economic park, Changning District, Shanghai, adjacent to the Hongqiao comprehensive transportation hub. It is an international business headquarters gathering area connecting the whole Yangtze river delta region.

    The total construction area is about 340,000 square meters, about 220,000 square meters above ground, about 120,000 square meters underground, set office & commercial as one.





    Shanghai Lingkong SOHO has won the American LEED gold award. In its design and details, it embodies the concept of energy-saving, green and environmental protection everywhere. Efficient electrostatic dust removal and medium-effect filtration are used in the room to filter 90% PM2.5, protect the indoor office environment and improve work efficiency. The overall greening rate is as high as 30%, and the roof greening of 6,000 square meters gives you a sense of being in the beauty of the flowing art of Shanghai Lingkong SOHO. Paints and coatings used for interior decoration are all environmentally friendly materials with low VOC content, meeting the American standards and creating a healthier office environment. Water-saving appliances are adopted in the utilization of water resources. Through the whole reclaimed water recovery system, the used water quality can reach a certain standard after being treated, thus greatly improving the water-saving rate of buildings. There are plenty of bicycle Spaces, as well as several subway and bus lines around the city, which make the trip more convenient and provide a low-carbon and green transportation mode for us.

    Lingkong SOHO has become a new landmark of Shanghai with its stunning architectural appearance and unique geographical advantages.

    In terms of design, Shanghai Lingkong SOHO, which pursues green, energy-saving and sustainable design, also has extremely high requirements for heat exchange equipment. In order to meet the standard of American LEED gold award, the quality of heat exchange equipment will directly lead to the efficiency of energy saving. Finally in the choice of central air conditioning heat exchange equipment, volley through professional consultants and owners of SOHO purchasing on the performance and effect, services, performance, prices after considering comprehensive factors, such as the final choice and the world's leading supplier of heat exchange equipment -- Shanghai Accessen, Accessen provides on demand heat exchange solution, 4 sets of equipment have good process performance in nearly five years, running stable, with a volley of SOHO ‘fast and furious’ made it a perfect combination, Accessen won the award for the outstanding supplier of SOHO too.


    Shanghai Accessen Group Co., Ltd. professionally specializes in heat exchangers R&D, manufacturing, sales and service. We passed ISO9001: 2000 Quality System Certification, ISO14001: 2004 Environmental System Quality Certification, OHSAS18001: 1999 Occupational Health and Safety System Certification. Accessen’s three manufacturing bases located in Shangahi and Jiangsu China. Established in Shanghai, in the year 2002. Over 100,000 square meters in total, producing up to 30000 heat exchangers and 5000 heat exchanger units annually.

    The core of Accessen’s operations is based one key technologies: customized products. Also complying with ASME, PED--CE, API, JIS, IEC, DNV, ABS, BV, CCS, GB and other international specifications and standards.
  • The vacuum hot water boiler adopts the technical characteristics of one-time injection of furnace water, and at the same time achieves the purpose of phase change heat transfer. In the process of work...

    The vacuum hot water boiler adopts the technical characteristics of one-time injection of furnace water, and at the same time achieves the purpose of phase change heat transfer. In the process of working, no raw water enters the boiler, which can ensure that there is no scale in the boiler and can also avoid the corrosion of the boiler. The life of the boiler is also relatively long, so many units will install and use the boiler.


    The solar boiler heat exchanger is composed of a solar collector system, a pipeline system and a water outlet system. It is a solar water heating system that can generate a large amount of hot water. The specific work flow is the collaboration of collectors and pipelines. Water tanks and other work together to achieve the purpose of the work.


    The core component of the boiler heat exchanger is a full heat exchange core. The specific function is to exchange the dirty air discharged from the room and the fresh air is sent into the room through the heat transfer plate to exchange the temperature and exchange the humidity through the micropores in the middle of the mountain. This achieves the effect of ventilation, which improves the indoor air quality and allows the room temperature to reach a constant level. Through the work of the boiler heat exchanger, not only the indoor living environment is improved, but also the humidity in the air is more suitable.


    The total heat exchanger is a kind of outdoor fresh air that is filtered, purified, and heat-exchanged and then it can be sent into the room. At the same time, the indoor polluted harmful gas is heat-exchanged and discharged to the outside, and the indoor temperature is basically not affected by the fresh air. An energy-efficient, environmentally-friendly high-tech product. The core component of the total heat exchanger is a full heat exchange core. The dirty air discharged from the room and the fresh air sent in the room exchange temperature through the heat transfer plate, and at the same time exchange humidity through the micro holes on the plate to achieve the ventilation change. The gas maintains the effect of stable indoor temperature and humidity. This is the full heat exchange process. When the total heat exchanger is operated during the summer cooling period, the fresh air obtains the cooling amount from the exhaust air to lower the temperature, and is exhausted by the exhaust air to reduce the fresh air humidity; during the winter operation, the fresh air obtains heat from the exhaust air, so that the fresh air obtains heat from the exhaust air during the winter operation. The temperature rises and the fresh air is humidified by the exhaust one.


    The total heat exchanger is a high-efficiency energy-saving air-conditioning ventilation device. Its core function is to use the temperature difference and the humidity difference between the indoor and outdoor air to generate energy exchange through the two-way displacement ventilation through the good energy conversion characteristics of the energy recovery movement. The fresh air can effectively obtain the enthalpy full-heat type CHA or the temperature sensible heat type CHB in the exhaust air, thereby greatly saving the energy consumption of the fresh air pre-treatment and achieving the purpose of energy-saving ventilation, and the energy-saving effect thereof is very remarkable.

    Accessen, china heat exchanger manufacturer, offers you the world's leading on-demand heat transfer solution, providing high-quality equipment with fast and efficient service.

  • How to produce high quality heat exchange equipment and see how Exxon's highly efficient ITP system can deliver:From the early technical exchanges to the final signing of the contract is only the begi...
    How to produce high quality heat exchange equipment and see how highly efficient ITP system can deliver:
    From the early technical exchanges to the final signing of the contract is only the beginning, we have an independent ITP status for each project.
  • With Accessen's Affordable Parts Pricing Strategy unlike other manufacturers, you can procure spare parts almost at the manufacturing price, avoiding expensive operation and maintenance costs while en...
    With Accessen's Affordable Parts Pricing Strategy unlike other manufacturers, you can procure spare parts almost at the manufacturing price, avoiding expensive operation and maintenance costs while enjoying the reliability and long service life of your original spare parts. The seemingly lower price of imitation parts comes together with potentially huge risks and losses. Not only affecting the service life of the gasket itself, but also the risk of operation downtime and damage to the plate, possibly causing a serious accident. Accessen has a well-established service network with the regular stocking of spare parts inventory in China. Our logistic center utilizes intricate systems and technology to produce maximum logistical efficiency, resulting in the reduction of time and operational costs. Whenever a need of replacement part arises, please Contact to ensure you receive quality and safe equipment and parts.
  • Localization of services, able to meet cross-regional services.
    Localization of services, able to meet cross-regional services.
  • 2
    HOURS
    rapid response
  • HVAC- the abbreviation of Heating, Ventilation, Air Conditioning. It represents not only the disciplines and technologies mentioned above but also the industries and industries involved in these disci...
    HVAC- the abbreviation of Heating, Ventilation, Air Conditioning. It represents not only the disciplines and technologies mentioned above but also the industries and industries involved in these disciplines and technologies. Urban heating (building) provides heating, water supply, steam supply, and air conditioning for offices, factories, residential buildings and buildings, hotels, restaurants, hospitals, and schools in winter. A Hiller is usually installed in the middle of the building, the plate heat exchanger can be set in the middle, the whole building air conditioning water system is divided into high and low two independent air conditioning water system.

    HVAC Plate Heat Exchanger Products:

  • As the world's leading heat exchange solution provider, ACCESSEN offers you the world's leading on demand heat transfer solution, high quality heat exchange equipment and fast and efficient services.
    As the world's leading heat exchange solution provider, ACCESSEN offers you the world's leading on-demand heat transfer solution, high-quality heat exchange equipment, and fast and efficient services.
  • Employees are undoubtedly the most valuable resource in a company. Even the most outstanding talents also need to undergo constant training and practice to remain at the top. With innovative spirit an...
    Employees are undoubtedly the most valuable resource in a company. Even the most outstanding talents also need to undergo constant training and practice to remain at the top. With innovative spirit and a very positive attitude, our talented staffs are the source of power for business development.
  • lnvestor Relations Manager
    1458 Xiechun Road,Jiading District, Shanghai
    1458 Xiechun Road,
    Jiading District, Shanghai
  • A
    Home, to be surrounded by warmth. With central heating on the outside, ensuring proper delivery of heat into the homes. e.g: floor heating.
    Home, to be surrounded by warmth. With central heating on the outside, ensuring proper delivery of heat into the homes. e.g: floor heating.
  • Data centres haveextremely stringent temperature control requirements on the stability andreliability of the air-conditioning and cooling equipments. Located in GuangzhouUniversity, the Guangzhou Supe...
    Data centres have extremely stringent temperature control requirements on the stability and reliability of the air-conditioning and cooling equipment. Located in Guangzhou University, the Guangzhou Supercomputing Centre is one of the most crucial and essential parts of the university's district cooling system.

    Guangzhou Tianhe-2 Supercomputing Data Center

    Guangzhou Tianhe-2 Supercomputing Data Center
  • The largest copper-gold mine application in the worldMining is one of the most important economic pillars of Mongolia. The mining output value accounts for 30% of the total GDP and accounts for over 7...
    The largest copper-gold mine application in the world
    Mining is one of the most important economic pillars of Mongolia. The mining output value accounts for 30% of the total GDP and accounts for over 70% of industrial products. The Oyu Tolgoi Mine, the largest copper-gold mine in the south, is one of the largest drivers of the Mongolian economy and is currently the largest copper-gold mine in the world.

    This so called worldclass mining project preliminary estimate of copper reserves accounts to more than 30 million tons (the area of the copper vein belt is equivalent to the area of Ulaanbaatar City area), gold accounts to 1328 tons (the area of gold vein belt is slightly smaller than Ulaanbaatar City area), and sliver accounts to 7,600 tons. In addition, there are mineral resources such as molybdenum.

    Accessen equips copper-gold mine in Mongolia with efficient heating solution

    About Accessen
    Accessen is a leadin provider of distric heating products and package solutions based on itskey technologies of heat transfer, separation and fluid handling.

    The company's equipment, systems and services are dedicated to assisting customers in optimizing the performance of their processes. The solutions help them to heat, cool, separate and transport products. Accessen's products are also used in power plants, aboard ships, oil and gas exploration, in the mechanical engineering industry, in the mining industry and for wastewater treatment, as well as for comfort climate and refrigeration applications.
  • Capita Land is one of Asia's largest real estate companies. Headquartered and listed in Singapore, the multi-local company's core businesses are in real estate,in real estate, hospitality and real est...
    Capita land Raffles City Chengdu

    Capita Land is one of Asia's largest real estate companies. Headquartered and listed in Singapore, the multi-local company's core businesses are in real estate, in real estate, hospitality and real estate financial services Focusing on higher growth cities in the Asia Pacific and Europe. Chengdu Raffles city started based earthwork construction in January 2008, Expected to be completed in the year 2013. The office building and the shopping center were opened in September 2012.

    Customer Feedback: Accessen is a high-end heat exchanger manufacturer. The PHE is in accordance to ASME standard and is still performing very well after two years of operation.
  • The China pavilion at Expo 2010 in Shanghai, China, colloquially known as the Oriental Crown, was the largest national pavilion at the Shanghai Expo and the largest display in the history of the World...
    World Expo-China Pavilion

    The China pavilion at Expo 2010 in Shanghai, China, colloquially known as the Oriental Crown, was the largest national pavilion at the Shanghai Expo and the largest display in the history of the World Expo. It was also the most expensive pavilion at the Shanghai Expo costing an estimated US$220 million. The pavilion showcased China's civilization and modern achievements by combining traditional and modern elements in its architecture, landscaping, and exhibits. After the end of the Expo 2010, the building was converted to a museum. The building was located halfway along the Expo Axis on its eastern side in Zone A of the Expo Park.

    The structure was built with a strong emphasis on sustainable and energy-saving practices with the exterior offering thermal insulation and natural ventilation. The inverted pyramid design and the lower courtyard offers a large overhang for self-shading. There is a 0.36-megawatt solar energy system on the rooftop while the thermal panels and insulating glasses on the exterior are energy-saving initiatives.

    Accessen provides a solution for the hot water storage system. Perfectly fits the theme of energy saving and environmental protection.

  • Accessen Gasket Plate Heat Exchanger utilize clip on gasket and advanced designs that optimize performance. We provide efficient heat transfer in compact equipment with a small footprint. Most importa...
    Accessen Gasket Plate Heat Exchanger utilize clip on the gasket and advanced designs that optimize performance. We provide efficient heat transfer in compact equipment with a small footprint. Most important of all, they reduce your operating costs and save you money. The heat exchanger has a flexible design and service-friendly ensure that even the largest PHE can be serviced and maintained rapidly and easily by one person using standard tools. The product range is extremely wide up to 60 different models. We also have the special plate design for your specific needs.
  • When the source water comes from cooling towers, rivers, lakes, clean water, and potable water is too cold or hot, or contaminated to be directly circulated to certain devices or vessels, a water-to-w...
    When the source water comes from cooling towers, rivers, lakes, clean water, and potable water is too cold or hot, or contaminated to be directly circulated to certain devices or vessels, a water-to-water plate heat exchanger can be used to overcome such harsh condition and deliver clean coolant at optimum temperature for critical needs.

    Accessen Water/ Water Heat Exchangers is designed with durable components to ensure the effectiveness and longevity of the critical cooling process at hand.
  • All welded heat exchanger is a general heat exchanger with corrugated metal sheets as heat transfer surface. The metal sheets are sealed by welding. This type of heat exchanger is efficient and compac...
    All welded heat exchanger is a general heat exchanger with corrugated metal sheets as heat transfer surface. The metal sheets are sealed by welding. This type of heat exchanger is efficient and compact. It is widely used in liquid-liquid heat exchange, liquid-steam heat exchange, gas-gas heat exchange and other occasions. It is an ideal equipment for water-water, water-steam, water-oil, gas-gas heat transfer.
    All welded heat exchanger uses corrugated metal plates as heat transfer elements and is sealed by welding process. This greatly improves the safety and reliability of heat exchangers, has the characteristics of high heat transfer coefficient, low pressure, small occupied, areacorrosion resistance, long service life, not easy to accumulate ash, easy to clean and so on etc. At present, gas-gas fully All welded heat exchangers are more and more used for preheating in various industrial furnaces.

    Application field of All welded plate heat exchanger
    All welded heat exchanger is a kind of general heat exchange equipment. It is an ideal equipment for water-water, water-steam, water-oil, gas-gas heat exchanges. It is widely used in petroleum, chemical industry, electric power, metallurgy, food and other fields.
    (1) Water-water heat exchanger: used for heating or cooling industrial or domestic water, such as central heating, domestic hot water, circulating water cooling, etc.
    (2) Water-oil heat exchanger: used for heating or cooling industrial oil, such as hydraulic oil cooling, quenching oil cooling, oil cooling, etc.
    (3) Water-steam heat exchanger: used for heating industrial or domestic water or condensation of steam, such as process water heating, circulating water heating, etc.


  • Accessen's plate heat exchanger products have obtained the certification certificate issued by AHRI, officially becoming one of its recognized equipment manufacturers, and also exploring the developme...
    Accessen's plate heat exchanger products have obtained the certification certificate issued by AHRI, officially becoming one of its recognized equipment manufacturers, and also exploring the development path of Accessen's north American market. AHRI certified test medium, including water/sea water, is suitable for the application of most HVAC and refrigeration industry heat exchanger products.



    Accessen's factory in Shanghai has obtained the factory certification issued by ASME, and it is one of the few manufacturers that can provide "U" steel seal in the field of plate heat exchanger production. It is also one of only more than 100 enterprises that have passed ASME certification in China. ASME, as one of the authoritative certification agencies in the world, provides third-party product supervision and inspection for Accessen products, and is a professional ASME AI (ASME authorized inspector). In combination with SGS (internationally recognized inspection, verification, testing and certification agency, which is the globally recognized quality and integrity benchmark), ASME's U steel seal is given after ensuring that the product and quality control meet the standards. High quality products recognized by authoritative institutions have been widely used in the fields of electric power, nuclear power, petroleum, chemical industry, medicine and other industrial applications.



    Whether it is from improving customers' trust in product quality, enhancing the credibility of industry performance level, encouraging innovation and improving efficiency, or accelerating the speed of new technologies entering the market, and consolidating the foundation of cooperation between enterprises and governments, product certification is essential. This time, the factory and products of Accessen have obtained double "A" certification (ASME and AHRI), which fully reflects that Accessen's quality and technology have reached the international standard.


    Air-Conditioning, Heating, and Refrigeration Institute (AHRI) is one of the internationally recognized certification bodies. AHRI certification is an air conditioning product energy efficiency certification system established by AHRI in North America. Because of the accuracy and fairness of its assessment results, AHRI certification has been valued by more and more national government departments. According to the standard specification of this kind of air conditioning, the result is not lower than the product nameplate labeling and all the performance data on the declared data, so as to pass the certification.

    The American Society of Mechanical Engineers (ASME) is an authoritative and influential international academic organization. It is a comprehensive, complete, mature, safe, reliable and internationally recognized standard. It has 127,000 members, manages the world's largest technology publishing agency, presides over 30 technical conferences, 200 professional development courses, and sets many industrial and manufacturing standards.
  • Clean coal phase 4 desulfurization liquid cooling project (L- Ferrous and nonferrous metallurgical engineering)Baoshan Iron and Steel Co., Ltd. (hereinafter referred to as "Baosteel") is the world's l...
    Clean coal phase 4 desulfurization liquid cooling project (L- Ferrous and nonferrous metallurgical engineering)

    Baoshan Iron and Steel Co., Ltd. (hereinafter referred to as "Baosteel") is the world's leading modern steel joint venture and the core enterprise of China


    Baowu Iron and Steel Group Co., Ltd., a fortune global 500 company, listed on Shanghai Stock Exchange (stock code: 600019). Among the listed steel enterprises in the world, it ranks the second in crude steel output, the third in automobile plate output, and the first in oriented electrical steel output. It is one of the steel enterprises with the most complete varieties of carbon steel in the world.

    Baosteel adheres to the development path of "innovation, coordination, green, open and sharing". The company pays attention to the cultivation of innovation ability, actively develops and applies advanced manufacturing and energy-saving and environmental protection technology, and has established a nationwide and worldwide marketing and processing service network. The new-generation auto high-strength steel, electrician steel, high-grade home appliance steel, oil and gas pipe, bridge steel, hot rolling heavy rail, and other high-end products, independently researched and developed by the company, are at the international advanced level.

    A - BLOC four sides detachable all-welded heat exchanger is applied in clean coal phase 4 desulfurization liquid cooling section, used for the cooling of desulfurization liquid by the circulation cooling water. In consideration of the actual production of corrosion resistance and easy disassembly and washing, the plates of the A-BLOC all-welded heat exchanger are made of square BLOC sheets, and the plates are fully automatically welded with one another. Special structural design is different from other forms of fully welded plates, can achieve pure countercurrent heat transfer, (other products of the wrong countercurrent heat transfer), can produce higher turbulence. In the same operating conditions, the A-BLOC all-welded heat exchanger has a heat transfer coefficient four times that of the tubular heat exchanger, with a smaller area required and the ability to handle very small heat transfer temperature differences. In the case of high thermal stress, the plates can be freely telescoped within the frame to effectively resist thermal shock, thus extending the service life of the equipment.


    Shanghai Accessen Group Co., Ltd. professionally specializes in heat exchangers R&D, manufacturing, sales and service. We passed ISO9001: 2000 Quality System Certification, ISO14001: 2004 Environmental System Quality Certification, OHSAS18001: 1999 Occupational Health and Safety System Certification. Accessen’s three manufacturing bases located in Shangahi and Jiangsu China. Established in Shanghai, in the year 2002. Over 100,000 square meters in total, producing up to 30000 heat exchangers and 5000 heat exchanger units annually.The core of Accessen´s operations is based one key technologies: customized products. Also complying with ASME, PED--CE, API, JIS, IEC, DNV, ABS, BV, CCS, GB and other international specifications and standards.
  • Accessen chooses the best suppliers in the world and established strategic partnership with internationally recognized brands such as SIEMENS, ABB, HONEYWELL, GRUNDFOS, WILO and DANFOSS to create the ...
    Accessen chooses the best suppliers in the world and established strategic partnership with internationally recognized brands such as SIEMENS, ABB, HONEYWELL, GRUNDFOS, WILO and DANFOSS to create the "Dream Team" using the best possible original parts for production of Accessen's heat exchange equipment, laying a solid foundation of quality assurance for our heat transfer equipment.
    Accessen has become the preferred choice for many global partners regarding heat exchange solutions.
  • Our company recently host a seminar in Indonesia, which gives us an opportunity to connect with our local customer.This will provide a unique chance for them to fully participate in this type of event...
    Our company recently hosted a seminar in Indonesia, which gives us an opportunity to connect with our local customer. This will provide a unique chance for them to fully participate in this type of event and enrich their knowledge about heat exchanger's principle, work condition, and maintenance.

    Accessen Indonesia Seminar

    Apart from the promotional aspect, the seminar is aimed at offering the opportunity to communicate with your local engineer and user, help us improve the service and know well about the local demands.

  • No doubt, an imitation spare part is cheaper. However, it reduces the operational service life due to the lower quality. Original gaskets with conventional media and temperature of at least 5 years wi...
    No doubt, an imitation spare part is cheaper. However, it reduces the operational service life due to the lower quality. Original gaskets with conventional media and temperature of at least 5 years will be reduced to 2 to 3 years. More often than not, this increases the total cost for replacement and maintenance while risking longer downtimes.
  • Reachable service centre, Lower service cost.
    Reachable service centre, Lower service cost.
  • 4
    HOURS
    on-site service
  • Plate heat exchanger is a kind of high efficiency, energy saving heat exchange equipment, with high heat transfer coefficient, compact structure, less material, various forms, easy maintenance, and ma...
    Plate heat exchanger is a kind of high efficiency, energy saving heat exchange equipment, with high heat transfer coefficient, compact structure, less material, various forms, easy maintenance, and many other advantages, application domain gradually expanded, has been widely used in machinery, electric power, metallurgy, chemical, textile, beverage, urban heating and other industries and fields, showed a strong competitiveness, and it is very competitive in industry, too. They are widely used in heating, air conditioning, refrigeration, power stations, chemical plants, petrochemical, refineries, natural gas processing, and sewage treatment. In the industrial processes, there is a waste of energy or a heat stream that is being exhausted, the heat exchanger can be used to recover this heat and use it by heating a different stream in the process.

    Industrial Plate Heat Exchanger Products:

  • The all-welded plate and frame heat exchanger is based on the advantages of a detachable plate heat exchanger to make up for the lack of a new tube type of heat exchanger. Similar to the semi-welded h...
    The all-welded plate and frame heat exchanger is based on the advantages of a detachable plate heat exchanger to make up for the lack of a new tube type of heat exchanger. Similar to the semi-welded heat exchanger, there are no gaskets and can be used in processes requiring higher pressure and temperature. It retains the full countercurrent heat exchange characteristics of the detachable heat exchanger, which is 3-5 times more efficient than the traditional shell and tube type of heat exchanger. Depending on the applications, the plate and frame are divided into three types, undetachable, unilaterally and completely detachable.
  • We take customer satisfaction as the core and establish business philosophy of friendship, development, sustainability and win-win with including our partners, suppliers, internal employees and social...
    We take customer satisfaction as the core and establish business philosophy of friendship, development, sustainability and win-win with including our partners, suppliers, internal employees, and social environmental groups, besides the direct end-customers and the owners. Through the continuous improvement of technology and the combination of changes in customer needs, we provide the world's leading on-demand heat transfer solution and provide high-quality heat exchange equipment and fast and efficient services.
  • Whether in development, production, product management, sales, marketing or finance – dedicated career starters and professionals help the Accessen succeed in a variety of ways. Individual talents ma...
    Whether in development, production, product management, sales, marketing or finance – dedicated career starters and professionals help the Accessen succeed in a variety of ways. Individual talents make a difference to make the company successful, and we promote and encourage talented individuals so that we can build the future together.
  • From business to employees, customers, partners and community-related teams, Accessen advocates the development of a mutual win philosophy when dealing with each other's relationships. With longer rel...
    From business to employees, customers, partners, and community-related teams, Accessen advocates the development of a mutual win philosophy when dealing with each other's relationships. With longer relationships and goals, it sets us together in the right code of conduct.
  • lnvestor Relations Manager
    1458 Xiechun Road, Jiading District, Shanghai, Shanghai
    1458 Xiechun Road, 
    Jiading District, Shanghai, Shanghai
  • B
    To serve institutions and government agencies related to the administrative units, to provide people with a higher level of security. e.g: air conditioning
    To serve institutions and government agencies related to the administrative units, to provide people with a higher level of security. e.g: air conditioning
  • Dubai, a part of the United Arab Emirates, isone of the world most prosperous, peaceful, and business friendly cities. Somecalls it an unbelievable city, with its superb infrastructure and hi-techfaci...
    Pinnacle Tower – Dubai UAE

    Dubai, a part of the United Arab Emirates, is one of the world most prosperous, peaceful, and business-friendly cities. Some call it an unbelievable city, with its superb infrastructure and hi-tech facilities. The Tower Constructed Of 280 Meters Height & Have All-Attractive Facilities For Residence.

    The Structural Systems Provided Completelyring 71 story tower project heading completion in 2008.
  • The Riverside andMercedes-Benz Cultural Center (formerly known as the Expo Performing ArtsCenter) with its shuttle appearance in the 2010 Shanghai World Expo Park, thecore area, adjacent to the Expo a...
    Mercedes-benz Arena Shanghai

    The Riverside and Mercedes-Benz Cultural Center (formerly known as the Expo Performing ArtsCenter) with its shuttle appearance in the 2010 Shanghai World Expo Park, the core area, adjacent to the Expo axis and the China Pavilion. The whole building uses a smart lighting technology, a UFO-like unique style turns out to be an"art seashell." The main body of the 18,000 multi-functional performing space is not only able to hold both large-scale celebrations or concerts, but also to basketball games, ice show, and even ice hockey games and other sporting activities.

    The project is designed according to the 3Rs, that is, Reduce, Reuse, Recycle. Using a photovoltaic curtain wall system, river water source cooling system, pneumatic refuse Collection system, air conditioning condensation and roof rainwater collection system,program-controlled green sectionWaterirrigation system, and so many other energy conserving tools and mechanism, the performing arts center is truly a "green ecological building." Its air conditioning system uses river water source hot springs, ice Storage and traditional hot water to conserve energy. It also uses six Accessen AC& AU series heat exchangers for ice storage systems, river Water source heat pump systems and air conditioning hot water systems.

    River water source heat pump system is the use of river water source heat pump system. How it works is that during the summer, the building heat will be transferred to the river water source as the water temperature is lower. During the winter, using river water source to extract energy, by using the heat pump. As the water source heat pump operating costs are low, the investment recovery period is short, hence the average cost of the service cycle will be lower than the traditional air conditioning system. Groundwater, rivers, and lakes can be used as a cold and heat source.

  • The most effective fluid to stabilise the operating temperature in oil systems is water. Water/ Oil plate heat exchangers are used to cool down hydraulic oil or other fluids using water as a cooling m...
    The most effective fluid to stabilize the operating temperature in oil systems is water. Water/ Oil plate heat exchangers are used to cool down hydraulic oil or other fluids using water as a cooling medium. Internal cooling circuits as typically found in large production facilities and other cooling water sources supply water at temperatures that provide sufficient delta T compared to the oil input temperature.

    Accessen plate heat exchanger series includes a range of models with high-efficiency. These shell and plate or shell and frame construction are also available.
  • Heaters are very common in our daily life, but most people still don't understand them as heat exchangers that allow heating and hot water to work together. Next, I will introduce the principle and ch...
    Heaters are very common in our daily life, but most people still don't understand them as heat exchangers that allow heating and hot water to work together. Next, I will introduce the principle and characteristics of the heat exchanger.

    Working Principle of Heating Heat Exchanger-Introduction of Heating Heat Exchanger Principle

    Pressure storage heat exchanger converts tap water into hot water by heating heat. The larger the volume of heat exchanger, the more hot water stored. During heating, the temperature of water stored in the heat exchanger is the same as that of heating water. When you run out of a bucket of hot water, without management, the heat exchanger automatically replenishes cold water.

    The amount of hot water is determined by the heating temperature of the user and the length of time after the user stops using it. The higher the heating temperature is, the longer the shutdown time is, the higher the temperature of hot water stored in the cylinder, until the temperature reaches the heating temperature, to ensure the need.
    Working principle of central heating heat exchanger - characteristics of the central heating heat exchanger

    1. Easy to use

    Simple heating equipment only has the function of heating, but the heat exchanger can not only provide 24 hours of hot water in winter, and because there is a radiator, so it can also make the indoor temperature higher, with heating function. So this is very convenient to use, and the consumption of energy is very low, which means that the heat exchanger is dual-use.

    2. Safety

    Generally, most of the water heaters need either gas or electricity to heat, but the heat exchanger does not need energy at all, as long as it is connected with the radiator or heating pipe, it can be used safely. So it is concluded that this equipment is the safest product, because there is no fear of gas leakage, and there is no need to worry about being electrified. So if there are children or old people in the family, the choice of heat exchanger can be said to be the most reassuring.

    3. Energy Conservation and Environmental Protection

    Since a heat exchanger can heat hot water only by means of a radiator or a heating system, it is of course the most energy-saving equipment, and using external forces to heat hot water itself is also a way of environmental protection.
  • Accessen together with our local profession distributors attended those two exhibitions.The 15th Dhaka Int’l Textile & Garment Machinery ExhibitionDate8-11, February, 2018VenueBangabandhu Interna...
    Accessen together with our local profession distributors attended those two exhibitions.

    The 15th Dhaka Int'l Textile & Garment Machinery Exhibition

    Date
    8-11, February 2018

    Venue
    Bangabandhu International Conference Centre - BICC
    DTG showcases new technology, state-of-the-art equipment, materials, and services, as well as an excellent avenue for international suppliers and visitors to expand the business to the lucrative market.


    ASIA PHARMA EXPO 2018 THE 10TH

    Date
    8-10, February 2018

    Venue
    International Convention City Bashundhara (ICCB)
    Kuril Bishwa Road, 
    Next to 300 ft. Purbachal Express Highway, 
    Dhaka, BANGLADESH.
    The pharmaceutical industry is one of the most technologically advanced sectors currently in existence in Bangladesh.
  • With the risk of equipment leakage, and it will cause more damage if it is a special media.
    With the risk of equipment leakage, and it will cause more damage if it is a special media.
  • Through professional and meticulous service, improving
    Through professional and meticulous service, improving
  • 24
    HOURS
    Problem resolution
  • Retains the full counter-current heat exchange characteristics of the detachable plate heat exchanger, which is 3-5 times more efficient than the traditional shell-and-tube heat exchanger. There are n...
    Retains the full counter-current heat exchange characteristics of the detachable plate heat exchanger, which is 3-5 times more efficient than the traditional shell-and-tube heat exchanger. There are no gaskets on the original semi-welded heat exchanger. Depending on the application, the plate and frame can be differentiated into three types:
    1. which cannot be disassembled
    2. detachable on one side
    3. detachable on both sides.
  • Integrated heat exchangers, circulation pumps, make-up pumps, thermometers, pressure gauges, sensors, piping and valves and industrial control in one set of regional heating control equipment, with a ...
    Accessen GU series heat exchanger package is a complete set of district heating control equipment integrated with the plate heat exchanger, circulating pump, makeup pump, thermometer, pressure gauge, various sensors, piping, valves, and industrial controls. Electrophoresis coating provides a uniformed finish on the inside of the pipelines and welding seams which in turn also greatly improves the corrosion resistance, performance, and hydraulic characteristics.

    Our heat exchanger Package is fully automated with PLC and touch-screen HMI controls and engineered with the highest quality and safety standards in mind. The user simply needs to connect four to five lines and a power cord to the unit's electrical control box, greatly reducing the workload, project costs, and ultimately shortening the whole process.

    We can ship the heat exchanger separately or incorporate it onto one.
  • RespectIntegrityTeam workPositivePerspective
    Respect
    Integrity
    Teamwork
    Positive
    Perspective
  • Any business is not only inseparable from its people, from each partnership’s family support and protection, but also inseparable from the society. To do every job as a priority, to helping people wh...
    Any business is not only inseparable from its people, from each partner's family support and protection, but also inseparable from society. To do every job as a priority, to help people who need it most, and to create fair opportunities.
  • Accessen has become the preferred choice for many global partners regarding heat exchange solutions
    As a Accessen customer, you can be confident thatwe will always strive to provide the most effective ways to improve your business performance by optimizing your system, and we can create the best solution byusing our expertise and high quality products and services.
  • C
    Central Heating: Warm by the heart, but also released in the required environment, we provide for you. Mainly on the heat company, central heating support. For example: Heating
    Central Heating: Warm by the heart, but also released in the required environment, we provide for you. Mainly on the heat company, central heating support. For example: Heating
  • Heat exchanger units that use steam to produce hot water are known as indirect heaters. The plate heat exchanger should be selected for operation at the minimum pressure to provide the most efficient ...
    Heat exchanger units that use steam to produce hot water are known as indirect heaters. The plate heat exchanger should be selected for operation at the minimum pressure to provide the most efficient operation. Accessen plate heat exchanger series covers the simple basics of steam in HVAC systems. Most healthcare facilities and some industrial facilities use steam in processes, such as steam for humidification, sterilizing instruments and possibly steam heat exchangers. Many large cities have central steam distribution systems to downtown office buildings.
  • The plate heat exchanger is a kind of heat exchange equipment with high efficiency and high price. It has low investment cost, low installation cost, low maintenance and cleaning cost, flexible applic...
    The plate heat exchanger is a kind of heat exchange equipment with high efficiency and high price. It has low investment cost, low installation cost, low maintenance and cleaning cost, flexible applicability, and is also very energy-saving and environmentally friendly equipment.

    The plate heat exchanger needs to pay attention to some problems during the installation process. Otherwise, it will affect the performance of the plate heat exchanger and cannot achieve the expected heat transfer effect.

    The plate heat exchanger has four lifting lugs for use during lifting. The slings cannot be directly tied to the plate group, the beam and the guide bar.

    When installing the plate heat exchanger, it is necessary to leave 1 m of maintenance space to facilitate the cleaning and maintenance of the plate heat exchanger in the future.
    The thermometer and pressure gauge should be equipped on the pipeline.

    If the medium to be removed by the plate heat exchanger is turbid or has large particles, if it is not clean, it is necessary to configure a filter valve on the inlet pipe.

    Before the formal operation, the plate heat exchanger pipe should be cleaned. If there is welding slag or sand into the heat exchanger, it will cause blockage of the heat exchanger and affect the heat transfer effect.

    When connecting the heat exchanger to the pipeline, the ground wire of the welding should be placed at the welding place, and the ground wire should not be placed in the distance to prevent the current loop and damage the heat exchanger.

    Ensure that the plate heat exchanger is within the normal clamping dimensions.

    If the operating temperature of the heat exchanger is above 100 degrees, take over the expansion and absorption compensation device with thermal stress.
  • Shanghai Accessen Group Co., Ltd.specializes in heat exchangers R&D, manufacturing, sales and service.We are a genuine original PHE manufacturer with all components are produced in our own factory...
    Shanghai Accessen Group Co., Ltd.specializes in heat exchangers R&D, manufacturing, sales, and service.
    We are a genuine original PHE manufacturer with all components are produced in our own factory and complete end products.
    We passed the ISO9001: 2000 Quality System Certification, ISO14001: 2004 Environmental System Quality Certification, OHSAS18001: 1999 Occupational Health and Safety System Certification. Our registered capital is 55.80 million, and annual revenue of over RMB 500 million.

    Accessen Sino-US joint-venture was established in Shanghai during the year 2002. By bringing the heat exchanger technology from the USA, Accessen became from one of the leaders of plate heat exchangers production in China to one of the industry's world-leading heat exchange equipment manufacturers.

    Accessen group is headquartered in Huangdu industrial park, Shanghai, with factories located in Xiechun Road, Caoan Road, and Taicang. With all the manufacturing plants together of over 100,000 square meters, producing over 30,000 heat exchangers and 5000 heat exchange units, making us the world's largest heat exchange equipment manufacturer.

    We are equipped with advanced machinery such as automated robotic welding arms and being the first in the world to introduce electrophoresis coating in the production of heat exchange units. this allows us to be one of the world's leaders in manufacturing reliable and stable products of quality and performance. Accessen is not only in accordance with the global standard AS production of the whole series of heat exchangers and equipment, but also provide products in line with ASME, PED-CE, API, JIS, IEC, DNV, ABS, BV, CCS, GB, and other international certifications and standards.
  • Accessen had successfully held a Seminar in Malaysia. About 20 local Malaysia engineers attended the meeting which gained a positive feedback.
     Accessen had successfully held a Seminar in Malaysia. About 20 local Malaysia engineers attended the meeting which gained a positive feedback.
  • Due to the low-cost production nature of the non-original gaskets, skipping quality assurance and unable to compete with our production scale, they are not able to meet Accessen’s quality requirement...
    Due to the low-cost production nature of the non-original gaskets, skipping quality assurance and unable to compete with our production scale, they are not able to meet Accessen's quality requirements for our product.
  • Establishing of service file,Providing further maintenance and other services.
    Establishing of service file, Providing further maintenance and other services.
  • ONLINE SUPPORT
  • AMOBILE mobile heat exchange station is a revolutionary innovation in the heat exchanger station construction. According to the different requirements of custom designs and the combinationof lower con...
    AMOBILE mobile heat exchange station is a revolutionary innovation in the heat exchanger station construction. According to the different requirements of custom designs and the combination of lower construction costs and cycle work to achieve an unmanned heat supply. Integrated design of the heat exchange station includes all the necessary features, comes in standard with a thermal vacuum de-gassing. The system canreduce the operating costs of the system and reduce the risk of pipelinecorrosion, extend the service life and improve the operating efficiency of thesystem.

  • D
    Commercial Building Services: Mainly providing heat exchange services for commercial buildings such as office buildings, shopping malls and mixed-use complexes. Creating a more comfortable and efficie...
    Commercial Building Services: Mainly providing heat exchange services for commercial buildings such as office buildings, shopping malls and mixed-use complexes. Creating a more comfortable and efficient environment, maximizing the business value. e.g: cooling
  • External leakageIt mainly manifests as leakage (small amount, discontinuous water droplets) and leakage (large amount, continuous water droplets). The main parts of the external leakage appear as plat...

    External leakage

    It mainly manifests as leakage (small amount, discontinuous water droplets) and leakage (large amount, continuous water droplets). The main parts of the external leakage appear as plates and plates.
    The seal between the sheets, the two seal sealing groove portions of the sheet, and the inner end of the end sheet and the pressing plate.
    Solution
    In the no-pressure state, re-clamp the equipment according to the clamping dimensions provided by the manufacturer, the dimensions should be uniform, the deviation of the compaction size should be no more than ±0.2N (mm) (N is the total number of plates), two compression plates The parallelism should be kept within 2 mm. If it is invalid, it can be marked on the leaky part, then
    Disassemble the heat exchangers one by one, reassemble or replace the gaskets and plates.

    Liquid leakage

    Its main feature is that the medium on the higher side of pressure is in the medium on the lower side of pressure, and there will be abnormal pressure and temperature in the system. If
    Medium is corrosive and may cause corrosion of other equipment in pipeline. The liquid string usually occurs in the diversion area or the secondary sealing area.
    Solution
    1. Replace the plate with cracks or perforations, and find the cracks in the plate by light transmission method in the field.
    2. Adjust the operation parameters to meet the design conditions.
    3. The clamping size of heat exchanger during maintenance and assembly should meet the requirements, not the smaller the better.

    Large pressure drop

    The pressure drop of the inlet and outlet of the medium exceeds the design requirements, and even many times higher than the design value, which seriously affects the flow and temperature requirements of the system. in
    In the heating system, if the pressure drop on the hot side is too large, the primary side flow rate will be seriously insufficient, that is, the heat source is insufficient, and the secondary side outlet temperature cannot meet the requirements.
    Solution
    1. Remove dirt or slab fouling in the heat exchanger flow path. For newly operated systems, clean once a week according to actual conditions.
    2. For the central heating system, a method of replenishing water to the secondary can be used once.

    Heating temperature does not meet the requirements

    Solution
    1. The flow rate of the primary side medium is insufficient, resulting in a large temperature difference on the hot side and a small pressure drop.
    2. The cold side temperature is low, and the cold and hot end temperatures are low.

    Steam Waste

    Solution
    The thermal conductivity of scale is very poor, and its thermal conductivity is several times or even hundreds of times smaller than that of metal. After scaling, the heat transfer on the heated surface will be deteriorated and reduced. Heat transfer efficiency, wasting steam, and regularly cleaning scale.
    The above are several common faults of the plate heat exchanger, some of which can be avoided. As long as the maintenance is proper, there will be no situation, and some can be repaired by themselves.
  • We have a complete set of qualifications and various international norms of certifications, and not only produce the plate heat exchangers, the plate heat exchange units, the all-welded shell and tube...
    We have a complete set of qualifications and various international norms of certifications, and not only produce the plate heat exchangers, the plate heat exchange units, the all welded shell heat exchangers, the all-welded plate, and frame heat exchangers, evaporators and condensers, process water cooling systems, and a full range of heat exchange equipment include the heat recovery systems in accordance with the uniform AS standard, but also provide products in line with the international norms and standards such as ASME, CE, API, JIS, IEC, DNV, GL, ABS, BV, CCS, GB, etc. The following list is part of the certificate reference, more certificates, please contact our local sales.
  • We are primarily responsible for on-demand heat exchange solutions and customer service in markets such as HVAC, Refrigeration, Energy &Power, Metallurgy, Chemicals, Food, Electronics, Marine and ...

    We are primarily responsible for on-demand heat exchange solutions and customer service in markets such as HVAC, Refrigeration, Energy &Power, Metallurgy, Chemicals, Food, Electronics, Marine and Environmental Handling. We provide global warranty service to support customers with fast and efficient service. More sales and service consulting please contact us directly or local slaes

    1458 Xiechun Road,
    Jiading District, Shanghai
    China
  • The imitation gaskets are reverse engineered to match of our plates. This will inevitably result is losses of technical accuracies and differences. This is especially prevalent in cases when the media...
    The imitation gaskets are reverse engineered to match our plates. This will inevitably result in losses of technical accuracies and differences. This is especially prevalent in cases when the media is a processed chemical where special plates and gaskets are used. This will ultimately affect the life of the plate and leading to more losses.

  • APS series is based on the ABJ series of standardized products. Specially suited for hotels and high-end residential buildings, the unit uses remote monitoring and site survey combined with the Access...
    APS series is based on the ABJ series of standardized products. Especially suited for hotels and high-end residential buildings, the unit uses remote monitoring and site survey combined with the Accessen control center for hosting and real-time monitoring. Providing defensive maintenance and regular maintenance services at the same time. Compared with the cold running of ABJ customized package before delivery, the APS series achieves full performance tests for each package to ensure a foolproof performance.
  • E
    Hotel and leisure: A comfortable and elegant environment. Accesen's presence in hotels, resorts, leisure centers and other places are worth extra points. e.g: domestic hot water
    Hotel and leisure: A comfortable and elegant environment. Accesen's presence in hotels, resorts, leisure centers and other places are worth extra points. e.g: domestic hot water
  • Heat exchanger for central heating can be divided into the following types.1. Interwall Heat ExchangerInter-wall heat exchangers are two kinds of fluids with different temperatures flowing in the spac...
    Heat exchanger for central heating can be divided into the following types.

    1. Interwall Heat Exchanger


    Inter-wall heat exchangers are two kinds of fluids with different temperatures flowing in the space separated by the wall, through the heat conduction of the wall and the convection of the fluid on the wall, heat transfer between the two kinds of fluids. Inter-wall heat exchangers have shell-and-tube, sleeve and other types of heat exchangers. Interwall heat exchanger is the most widely used heat exchanger at present.

    2. Regenerative heat exchanger


    The regenerative heat exchanger transfers heat from high temperature fluid to low temperature fluid through the regenerator composed of solid material. The heat medium first reaches a certain temperature by heating solid material, and then the cold medium is heated through solid material to achieve the purpose of heat transfer. The regenerative heat exchanger has rotary type and valve switching type.

    3. Fluid connected indirect heat exchanger


    Fluid-connected indirect heat exchanger is a heat exchanger with two surface heat exchangers connected by heat carriers circulating in it. The heat carriers circulate between the high-temperature fluid heat exchanger and the low-temperature fluid, receive heat in the high-temperature fluid, and release heat to the low-temperature fluid in the low-temperature fluid heat exchanger.

    4. Direct contact heat exchanger


    It is also called hybrid heat exchanger. This kind of heat exchanger is the equipment that two kinds of fluids contact directly and mix with each other for heat exchange, such as cold water tower, gas condenser, etc.

    5. Compound heat exchanger


    It has two kinds of heat exchangers: indirect surface heat transfer and direct mixed flow heat transfer. Compared with steam-water surface indirect heat transfer, it has higher heat transfer efficiency. In addition, compared with direct steam-water mixing heat transfer, it has higher stability and lower unit noise.
  • Sinopec Shanghai Engineering Pharmaceutical Food Expert Group Walks into Accessen FactoryOn December 14, a team of designers and experts from Sinopec Shanghai Engineering Co., Ltd. (SSEC) visited the ...



    On December 14, a team of designers and experts from Sinopec Shanghai Engineering Co., Ltd. (SSEC) visited the Shanghai Accessen Factory again. This time, the experts group of medicine and food specialty (the predecessor of SSEC is Shanghai Medical Design Hospital) took the lead in inspecting Accessen's heat transfer solutions and product applications in the field of medicine and food, and how to select heat transfer more efficiently. The solutions were discussed and exchanged in depth.


    Accessen technicians introduced plate heat ex-changers, welded heat ex-changers and plate heat ex-changers to the expert group in detail, and shared with the experts the successful application cases and technical characteristics of Accessen products in the pharmaceutical and food industry. Lead the expert group into the production line of Xiechun Road and Taicang factories, watch the production and processing equipment of Accessen, understand the whole production process of plate heat ex-changer. The advanced automatic production equipment introduced by the company, including the global advanced electrophoretic coating production line and automatic welding robot, the full performance test platform of heat ex-changer unit, E-cloud intelligent energy system and other equipment, has aroused great interest of experts. This paper introduces the unique design of plate heat transfer technology based on Accessen core to the expert group. Different shapes and depths can be designed according to different working conditions in order to achieve the best heat transfer effect. Robot cutting and welding technology, to a greater extent, can ensure that the pipe size is accurate and welding quality is more stable. Electrophoretic coating production line can prolong the life of pipeline, have higher corrosion resistance, high temperature resistance, reduce the characteristics of pipeline resistance and so on, which has been unanimously affirmed by experts.


    Through this close communication and exchange, experts have a deeper understanding of Accessen's products and technology, grasp more precise in the future design selection, and provide better design for owners. Every exchange of technology is a collision of ideas. For Accessen, the suggestions put forward by the expert group are an important stepping stone for our development and progress. Accessen will continue to work hand in hand with the designers and experts of Sinopec Shanghai Project to create a green and energy-saving future.

    Sinopec Shanghai Engineering Co., Ltd. (SSEC) is one of the earliest large-scale comprehensive survey and design units engaged in petrochemical and chemical engineering design in China. The main business areas are divided into three categories: petrochemical, chemical fibre, petrochemical; pharmaceutical and bio-energy chemical; environmental protection, electronics, textile food, natural gas storage and transportation engineering, etc. More than 8,000 projects have been completed at home and abroad, while keeping up with Shell, BP, Accessen Mobil, BASF, Bayer, Dow Chemical, Novatis, Squibb, Pfizer, Yang Sen, Glaxo, Bachtel, Fluor, Toyo, Chiyoda, Technip, JGC, Lugi, Amec, CTCI, CI, etc. Lummus, FW, TR, Aker and other international petrochemical, pharmaceutical industry giants, international famous engineering companies have cooperated in a series of major projects at home and abroad.