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Application of plate heat exchanger in refrigeration industry
- May 16, 2017 -

Plate Heat exchanger is a kind of efficient and compact heat exchanging equipment, which is widely used in refrigeration system, is indispensable equipment in refrigeration system, can be used as condenser, evaporator, heat exchanger and intermediate cooler and other heat exchanger equipment, compared with the traditional shell-type heat exchanger, the volume is only the shell-type 1/3~1/6, the weight of only the shell-type 1/2~1/5, the required refrigerant filling volume only 1/7, heat transfer efficiency than the shell-type heat exchanger high 2~5 times, with energy saving, economy, Compact structure, easy disassembly and other advantages in the refrigeration industry has been widely used, such as: chillers and air-cooled heat pump chiller as evaporator, condenser, thermal recovery heat exchanger (overheating cooler), liquid coolers, and screw compressor oil cooler and other heat transfer applications.

1. Basic requirements for plate heat exchanger for refrigeration equipment

(1) Refrigeration equipment plate heat exchanger, due to the refrigerant side pressure higher (up to about 25bar), strong penetration, Ying Xuan specially for the refrigeration industry production of high-pressure brazing plate heat exchanger. (2) The heat transfer coefficient is an important index to measure heat exchanger efficiency. With the improvement of the unit volume energy requirements of refrigeration units, the unit volume heat transfer area of the plate heat exchanger used in refrigeration equipment is also improved correspondingly. water-cooled and ethylene glycol cooling unit adopts the compact stainless steel brazing plate Heat exchanger, the heat exchange efficiency is higher than the shell-tube heat exchanger, but the structure rate is only 1/10 of the shell-tube condenser.

2, as the evaporator plate heat exchanger in the air-cooled heat pump unit, refrigeration cycle, plate heat exchanger as an evaporator used.

3, as the condenser plate heat exchanger in the refrigeration cycle of heat pump units as evaporator plate heat exchanger in the heat pump circulating as the condenser used.