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Classification of heat exchangers

Views:　Date:2020-03-05
There are endless heat exchangers on the market, and they cannot be uniformly divided.
1. According to different functions, it can be divided into: preheater (or heater), cooler, condenser, evaporator, etc.
2. According to the manufacturing materials of the heat exchanger, it is divided into: stainless steel, ceramic, metal, graphite, glass and so on.
3. According to the flow direction of hot and cold fluids: forward flow, counter flow, cross flow, mixed flow.
4. According to the characteristics of thermal components, it can be divided into: shell and tube heat exchangers, finned tube heat exchangers, and plate heat exchangers (including plate and plate heat exchangers and plate and fin heat exchangers).
5. According to the method of transmitting heat, it is divided into three categories: partition type, hybrid type, and thermal storage type.
The partition wall heat exchanger can be divided into tube type and plate type according to the structure of the heat transfer surface. Tube heat exchangers use tube surfaces as heat transfer surfaces, including tube-type heat exchangers and shell and tube heat exchangers; plate surface heat exchangers use plate surfaces as heat transfer surfaces, including plate heat exchangers, spiral Plate heat exchanger, etc.