Water-brine cooled oil cooler

Water-brine cooled oil cooler is an application used to remove a part of the energy input to compress the refrigerant from suction to discharge pressure as well as mechanical friction.

Just like combustion engines, refrigerant compressors require cooling. Water-brine cooled oil cooler is an application used to remove a part of the energy input to compress the refrigerant from suction to discharge pressure as well as mechanical friction. The coolers are normally plate heat exchangers or shell and tube type.

Three groups of compressors
Refrigerant compressors come in many different types and designs. Overall, they are divided into three groups:

  • Hermetic compressors – for household applications 
  • Semi hermetic compressors – for small applications, supermarkets, restaurants etc.
  • Open compressors – for commercial buildings, light industry, heavy industry

In larger refrigeration plants for commercial buildings and industry the open compressors require external cooling.

Hot tap water
The water-brine cooled oil cooler can be a part of the heat rejection plant. And if hot tap water is required, it can be energy saving to use the oil cooling circuit to preheat the water up to 40-45° C.





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