مركز الأخبار
جولدنسيل
25
2022
-
05
Application Scope of Heat Exchanger
المؤلف:
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 are widely used, such as radiator fins for heating in daily life, condensers in steam turbine installations and oil coolers on aerospace rockets, etc., are heat exchangers. It is also widely used in industrial sectors such as chemical, petroleum, power and atomic energy. Its main function is to ensure the specific temperature required by the process for the medium, and it is also one of the main equipment to improve energy utilization.
A heat exchanger can be either a separate device, such as a heater, a cooler and a condenser, or a component of a certain process equipment, such as a heat exchanger in an ammonia synthesis tower.
Generally, heat exchangers are made of metal materials, among which carbon steel and low alloy steel are mostly used to manufacture medium and low pressure heat exchangers; in addition to stainless steel mainly used for different corrosion resistance conditions, austenitic stainless steel can also be used as a heat exchanger. High and low temperature materials; copper, aluminum and their alloys are mostly used to make low temperature heat exchangers; nickel alloys are used under high temperature conditions; in addition to gasket parts, non-metallic materials have begun to be used to make non-metallic materials. Corrosion heat exchangers, such as graphite heat exchangers, fluoroplastic heat exchangers and glass heat exchangers, etc.
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