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Turbine refrigerator

A technology of turbo refrigerators and turbo compressors, which is applied in the direction of refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of refrigerator efficiency reduction, helpless cooling effect, etc., and achieve the effect of reducing the heat transfer area

Inactive Publication Date: 2015-09-30
EBARA REFRIGERATION EQUIP & SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The flashed refrigerant gas does not contribute to the cooling effect, and when it is sucked into the compressor, it generates ineffective compression power, and thus becomes a factor that reduces the efficiency of the refrigerator.

Method used

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Examples

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Embodiment Construction

[0038] Below, refer to Figure 1 to Figure 6 Embodiments of the turbo refrigerator according to the present invention will be described. exist Figure 1 to Figure 6 In , the same reference numerals are attached to the same or corresponding constituent elements, and overlapping descriptions are omitted.

[0039] figure 1 It is a schematic diagram showing the first embodiment of the turbo refrigerator according to the present invention. Such as figure 1 As shown, the turbo refrigerator has: a turbo compressor 1, which compresses the refrigerant; a condenser 2, which uses cooling water (cooling fluid) to cool the compressed refrigerant gas to condense it; an evaporator 3, It obtains heat from cold water (cooled fluid) to evaporate the refrigerant to exert the cooling effect; and the economizer 4 as an intercooler is arranged between the condenser 2 and the evaporator 3, and the turbo refrigeration mechanism is used for cooling The refrigerant piping 5 for refrigerant circula...

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PUM

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Abstract

The invention provides a turbine refrigerator capable of reducing an outer diameter of an oil cooler so as to realize miniature purpose, and the turbine refrigerator can reduce ineffective compression force related to cooling of the oil cooler; the turbine refrigerator comprises the following elements: a refrigeration agent pipe (7) connected with a lower portion of an evaporator (3), and the liquid refrigeration agent flows from the lower portion of the evaporator (3) to the refrigeration agent pipe (7); an oil cooler (20) used for realizing heat exchange between the liquid refrigeration agent flow in the refrigeration agent pipe (7) and the oil in a turbine compressor (1), and the liquid refrigeration agent supplied by the evaporator (3) can cool off the oil.

Description

technical field [0001] The present invention relates to a turbo refrigerator, and more particularly, to a turbo refrigerator having a structure for cooling oil used in a compressor with a part of refrigerant. Background technique [0002] Conventionally, turbo refrigerators used in refrigerating and air-conditioning equipment and the like are constituted by a closed system in which refrigerant is sealed. In this turbo refrigeration mechanism, the following components are connected by refrigerant piping: An evaporator that obtains heat from cold water (fluid to be cooled) The refrigerant is evaporated to exert the cooling effect; the compressor compresses the refrigerant gas evaporated in the above-mentioned evaporator to become a high-pressure refrigerant gas; the condenser uses cooling water (cooling fluid) to cool the high-pressure refrigerant gas A refrigerant gas is cooled and condensed; and an expansion valve (expansion mechanism) decompresses and expands the condensed ...

Claims

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Application Information

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IPC IPC(8): F25B1/10F25B49/02
CPCF25B1/10F25B49/02F25B2500/01
Inventor 远藤哲也
Owner EBARA REFRIGERATION EQUIP & SYST CO LTD
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