Learn about the classification of petrochemical heat exchangers
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Indirect heat exchangers are sometimes also referred to as surface heat exchangers. An indirect heat exchanger is one in which the hot and cold fluids are separated by a solid wall and cannot come into direct contact; heat transfer occurs through this solid wall. This type of heat exchanger is most widely used in industry, especially in the petroleum and chemical sectors, such as shell-and-tube heat exchangers, coil-type heat exchangers, and so on.
The main types of petrochemical heat exchangers include shell-and-tube heat exchangers, coil heat exchangers, plate heat exchangers, and spiral heat exchangers, etc. These heat exchangers are all indirect or surface-type heat exchangers, which separate the cold and hot fluids through a solid wall to enable heat transfer. .