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Low temperature absorption refrigerating machine with water-lithium bromide mixed refrigerant.

[In Japanese. / En japonais.]

Author(s) : UCHIDA S., NISHIGUCHI A.

Type of article: Article, Case study

Summary

The features of an absorption refrigerating machine, which is using water-lithium bromide as the working medium, and generating cold below 0°C are stated. This machine uses a dilute lithium-bromide solution as a refrigerant to prevent the refrigerant from freezing at evaporation temperatures of below 0°C. It was a two-stage cycle design consisting of two pairs of evaporators and absorbers, with the low-temperature absorber being cooled by the high-temperature evaporator, to enable a wide pumping draw-up temperature range. The authors have shipped a steam-fired and gas-fired machine with a capacity of 176-964 kW and achieved a COP of 0.58 when generating -5°C brine. A practical example of the machine is also explained.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 2007-1095
  • Languages: Japanese
  • Source: Refrigeration - vol. 81 - n. 946
  • Publication date: 2006

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