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OIL SEPARATORS: WHEN, WHERE, HOW.

[In German. / En allemand.]

Author(s) : DOHLINGER M.

Type of article: Article

Summary

THE AUTHOR DESCRIBES THE PURPOSE OF OIL SEPARATORS IN SMALL R22 INSTALLATIONS WITH EVAPORATING TEMPERATURES OVER 228 K (-45 DEG C) AND RECIPROCATING COMPRESSORS WITH CAPACITIES OF UP TO 100 KILOWATTS. HE NOTES THAT OIL SEPARATORS ARE USED LESS AND LESS WITH SUCH INSTALLATIONS. THE MAIN DISADVANTAGES OF OIL SEPARATORS ARE: 1) THEY ARE SUBJECT TO PRESSURE LOSSES ; 2) THEY DELAY BUT DO NOT PREVENT OIL RETURN PROBLEMS ; AND 3) CONDENSATION OCCURS, AND REFRIGERANT ACCUMULATES DURING OFF PERIODS, IN THE OIL SEPARATOR. HE CONCLUDES THAT OIL SEPARATORS ARE WORTH INSTALLING IN: 1) MACHINES WITH VERY ELABORATE CIRCUITS AND PIPING AND MANY SEPARATELY CONTROLLED EVAPORATORS ; 2) MACHINES WITH FLOODED EVAPORATORS ; AND 3) FREEZING MACHINES WITH VERY ERRATIC REFRIGERATING DEMAND.

Details

  • Original title: [In German. / En allemand.]
  • Record ID : 1992-0159
  • Languages: German
  • Source: Kälte + Klimatechnik (Die) - vol. 44 - n. 1
  • Publication date: 1991/01
  • Document available for consultation in the library of the IIR headquarters only.

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