Half-full liquid type carbon dioxide refrigerating system

A carbon dioxide and refrigeration system technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve problems such as uneven temperature, achieve uniform temperature in the warehouse, good refrigeration effect, and superior thermodynamic performance

Active Publication Date: 2015-12-09
黑龙江爱科德科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the physical properties of ammonia, there is a big safety hazard when used as a refrigerant, and the dry evaporation refrigeration system is likely to make the temperature in the warehouse uneven, and the heat transfer efficiency is not as high as that of the flooded system.

Method used

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  • Half-full liquid type carbon dioxide refrigerating system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] like figure 1 As shown, a semi-full liquid carbon dioxide refrigeration system includes a high-temperature refrigeration part using R134a as a refrigerant and a low-temperature refrigeration part using carbon dioxide as a refrigerant. connect.

[0021] The high-temperature refrigeration part includes an R134a gas-liquid separator, an R134a compressor, an R134a oil separator, a condenser, and an R134a high-pressure liquid receiver; the output end of the R134a compressor is connected to the input end of the R134a oil separator, The gas delivery end of the R134a oil separator is connected to the input end of the condenser, the output end of the condenser is connected to the input end of the R134a high-pressure liquid storage device, and the output end of the R134a high-pressure liquid storage device is expanded by The valve is connected with the evaporative condenser, the evaporative condenser is connected with the input end of the R134a gas-liquid separator, and the outp...

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Abstract

The invention aims to provide a half-full type carbon dioxide refrigerating system which is environmentally-friendly, energy-saving and capable of uniformly cooling the inner part of a chamber. According to the technical scheme adopted by the invention, the half-full type carbon dioxide refrigerating system comprises a high-temperature refrigerating part which takes R134a as a refrigerant and a low-temperature refrigerating part which takes carbon dioxide as the refrigerant; and the high-temperature refrigerating part and the low-temperature refrigerating part are connected by virtue of an evaporator. The refrigerating system can meet requirements of various low-temperature freezing and refrigerating chambers and quick-freezing chambers for drug storage, meat processing and storage, frozen food storage and the like.

Description

technical field [0001] The invention belongs to the technical field of refrigeration systems, in particular to a semi-full liquid carbon dioxide refrigeration system. Background technique [0002] At present, in the refrigeration system using carbon dioxide as the refrigerant, it is mostly used for cascading with ammonia as the refrigerant, and the refrigeration system is mostly in the form of dry evaporation. Due to the physical properties of ammonia, there is a greater safety hazard when used as a refrigerant, and the dry evaporation refrigeration system is prone to uneven temperature in the warehouse, and the heat transfer efficiency is not as high as that of the flooded system. Contents of the invention [0003] In order to overcome the defects of the prior art, the present invention aims to provide a semi-full liquid carbon dioxide refrigeration system that is environmentally friendly, energy-saving, and can cool down the storage evenly. [0004] The technical soluti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B9/00F25B41/00F25B7/00F25B41/40
Inventor 韩兴旺
Owner 黑龙江爱科德科技有限公司
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