Carbon dioxide refrigeration device structure

A carbon dioxide and refrigeration device technology, which is applied in the direction of household refrigeration devices, refrigerators, refrigeration components, etc., can solve the problem that carbon dioxide refrigerant cannot be liquefied, and achieve the effect of small application range, no pollution to the environment, and low system efficiency

Active Publication Date: 2014-11-12
JINGKELUN REFRIGERATION EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Because the present invention adopts the above technical scheme, the condenser is installed underground, utilizing the characteristics that the underground normal temperature is not higher than the critical temperature of carbon dioxide liquefaction (31.1 degrees Celsius), and the heat of the co

Method used

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  • Carbon dioxide refrigeration device structure
  • Carbon dioxide refrigeration device structure
  • Carbon dioxide refrigeration device structure

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Embodiment Construction

[0025] Such as figure 1 As shown, the general refrigeration device that uses carbon dioxide as the refrigerant generally adopts a cascade system refrigeration device structure, using ammonia (R717) or Freon as the refrigerant, and connecting the ammonia (R717) or Freon compressor through pipelines 1. Condenser 2. Throttle valve 3 and evaporator 4 form a high-temperature stage system; carbon dioxide is used as a refrigerant, and carbon dioxide compressor 5, condenser 6, throttle valve 7, and evaporator 8 are connected through pipelines to form a low-temperature stage system. Use the evaporator 4 of the high-temperature stage to cool down the condenser 6 that uses carbon dioxide as the refrigerant in the low-temperature stage to ensure that the carbon dioxide refrigerant operates at the critical temperature, and then pass through the evaporator 8 installed in the cold storage 9 as the refrigerant Cold storage 9 is refrigerated.

[0026] Such as figure 2 As shown, the carbon d...

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Abstract

The invention relates to a carbon dioxide refrigeration device structure. The carbon dioxide refrigeration device structure is composed of a carbon dioxide compressor, an evaporator, a throttling valve and a condenser, wherein an exhaust port of the carbon dioxide compressor is connected with the condenser, an outlet of the condenser is connected with one end of the throttling valve, the other end of the throttling valve is connected with the evaporator, the other end of the evaporator is connected with a gas inlet of the carbon dioxide compressor, the evaporator is arranged in a refrigeration house body, and the condenser is arranged underground. According to the carbon dioxide refrigeration device structure, a common carbon dioxide refrigeration device structure is improved, single refrigerant carbon dioxide can be adopted, and the carbon dioxide refrigeration device structure is wide in application range, safe, controllable, efficient and capable of saving energy.

Description

Technical field: [0001] The invention relates to a refrigeration device structure, in particular to a refrigeration device structure using carbon dioxide as a refrigerant. Background technique: [0002] Due to the low critical temperature of carbon dioxide (31.1°C), refrigeration units designed to use carbon dioxide as a refrigerant at room temperature generally adopt a cascade structure, that is, a set of refrigeration systems with other refrigerants are used as condensers for refrigeration units with carbon dioxide as a refrigerant , the high-temperature grade uses ammonia (R717) or Freon as the refrigerant, the low-temperature grade uses carbon dioxide as the refrigerant, and the high-temperature grade ammonia (R717) or Freon evaporator is used to cool down the low-temperature carbon dioxide condenser. This conventional structure not only requires the use of two or more refrigerants, complex structure, high failure rate, small application range (only applicable to low-tem...

Claims

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Application Information

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IPC IPC(8): F25B9/00F25B41/04F25B41/06F25D19/00F25D13/00A62C3/00F25B41/20F25B41/31
Inventor 杨建国康建慧马越峰毛同芹李建林
Owner JINGKELUN REFRIGERATION EQUIP CO LTD
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