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IIR document

Benefits of using low pressure receivers with ammonia.

Author(s) : BROWN J., PEARSON S. F.

Summary

The ammonia low pressure receiver performs the following functions: 1) it acts as a liquid receiver; 2) it acts as a suction trap; 3) it allows refrigerant to be supplied to the evaporator, which can then operate in a flooded manner; 4) it allows excess evaporators to be operated efficiently at very low temperature differences (no need to produce a superheat signal in the evaporator); 5) it allows the ammonia expansion device to be of the high pressure float type; 6) it allows the collection of excess lubricating oil which can be returned to compressor suction. The evaporator is overfed purely because the effect of the refrigerant has been increased by the sub-cooling.

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Format PDF

Pages: 657-666

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Details

  • Original title: Benefits of using low pressure receivers with ammonia.
  • Record ID : 1996-1486
  • Languages: English
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20

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