Structure and application of gasket plate heat exchanger

The Gasket Plate Heat Exchanger is the ideal equipment for liquid-liquid and liquid-steam heat exchange. It is a new type of high efficiency heat exchanger made of a series of metal sheets with a certain corrugated shape. The unique structure makes it form a good advantage in many types of heat exchangers.

Structural principle

The removable plate heat exchanger is made of many stamped corrugated sheets at a certain interval, sealed around by gaskets, and superimposed by the frame and compression spiral. The four corner holes of the plate and gasket form a fluid distribution tube and a collection tube, and at the same time reasonably separate the hot and cold fluids, so that they flow in the flow channel on both sides of each plate, and carry out heat exchange through the plate.

Working principle

Plate cooler is a heat exchanger made of a thin metal plate pressed into a heat exchange plate with a certain corrugated shape, and then stacked, and fastened by cleats and bolts. A thin rectangular channel is formed between the various plates, and heat is exchanged through the half plates. The working fluid flows through a narrow, winding channel formed between the two plates. The hot and cold fluids pass through the flow path successively, and there is a partition plate in the middle to separate the fluids, and the heat is transferred through the plate.

Its structure and heat transfer principle determine that it has the characteristics of compact structure, small footprint, high heat transfer efficiency, large operational flexibility, wide application range, small heat loss, convenient installation and cleaning.

Basic classification of plate coolers
Under normal circumstances, we mainly distinguish heat exchangers according to the structure, that is, according to the shape to distinguish, can be divided into four categories: ① gasket plate heat exchanger, ② welded plate heat exchanger, ③ spiral plate heat exchanger, ④ plate coil (also called honeycomb heat exchanger). Among them, welding is divided into: semi-welded, fully welded, plate shell type, Brazed Plate Heat Exchanger.

Gasket plate heat exchanger applications:
1. Refrigeration: used as Condenser and Evaporator.
2. Hvac: intermediate heat exchangers used with boilers, intermediate heat exchangers in high-rise buildings, etc.
3. Chemical industry: soda ash industry, synthetic ammonia, alcohol fermentation, resin synthesis cooling, etc.
4. Metallurgical industry: aluminate mother liquor heating or cooling, steelmaking process cooling, etc.
5. Machinery industry: all kinds of quenching liquid cooling, reducer lubricating oil cooling.
6. Power industry: high voltage transformer oil cooling, generator bearing oil cooling, etc.
7. Paper industry: bleaching process heat recovery, heating washing slurry, etc.
8. Textile industry: viscose silk alkali solution cooling, boiling nitrocellulose cooling, etc.
9. Food industry: juice sterilization and cooling, animal and plant oil heating and cooling, etc.
10. Grease process: soap based atmospheric pressure drying, heating or cooling various process fluids.
11. Central heating: thermal power plant waste heat district heating, heating bath water.
12. Others: oil, ships, seawater desalination, geothermal utilization, solar energy utilization.