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What is a heat exchanger

- Nov 07, 2018 -

A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid, also known as a heat exchanger. Heat exchangers play an important role in chemical, petroleum, power, food and many other industrial productions. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators and reboilers. . For example, a low-temperature PTFE heat exchanger for a power plant is a new type of plant for power plant recovery to reduce exhaust gas temperature. The fluoroplastic heat exchanger prevents acid corrosion and reduces the temperature of the flue gas to less than 100 degrees. Zhengzhou University of Technology successfully developed the technology of polytetrafluoroethylene (referred to as F-4) tube plate expansion and pressure heating and welding, which solved the key technology of the connection between fluoroplastic tube and tube sheet. Subsequently, various types of domestic heat exchangers were successively developed. Put into practical production and achieve good results.