According to the structure: it is divided into: floating head heat exchanger, fixed tube plate heat exchanger, U-shaped tube plate heat exchanger, plate heat exchanger, shell and tube heat exchanger and so on.
- According to the heat conduction mode: contact type, wall type, heat storage type.
- According to the structure material: carbon steel, stainless steel, graphite, Hastelloy, graphite renamed polypropylene, etc.
- According to the structure installation mode: vertical and horizontal.