A gas treatment method and system based on a three-device refrigerant compression cycle

A gas treatment and refrigerant technology, applied in the functional system field, can solve the problems of easy condensation and large energy consumption, and achieve the effect of ensuring the heating effect, improving the energy efficiency of the system, and improving the system function.
CN113218098BActive Publication Date: 2022-05-10湖南雅立科技开发有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
湖南雅立科技开发有限公司
Publication Date
2022-05-10

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Abstract

The invention provides a gas treatment method and system based on three-device refrigerant circulation, the system includes a first gas heat exchanger, a second gas heat exchanger, an outdoor air heat exchanger, a compressor, a throttling mechanism, and a four-way valve Wait. Gas treatment includes heating, cooling and dehumidification. During heating, the gas passes through the first gas heat exchanger and the second gas heat exchanger to be heated by the refrigerant to achieve heating. The refrigerant circulation during heating includes the first heating cycle and the second heating cycle. Two heating cycles, four-way valve switching can realize evaporator defrosting while heating. During refrigeration, the gas passes through the first gas heat exchanger and the second gas heat exchanger in turn to be cooled by the refrigerant to realize refrigeration. During dehumidification, the gas is first cooled and dehumidified by the first gas heat exchanger, and then heated by the second gas heat exchanger to reduce the relative humidity. The invention can improve the energy efficiency of the system, ensure the heating effect and provide uninterrupted heat supply, etc., and can be used in various air-conditioning heat pump dehumidification systems, including commercial, civil and industrial occasions.
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Description

technical field

[0001] The invention relates to a system which utilizes the refrigerant compression cycle of three heat exchangers to realize the functions of gas heating, cooling and dehumidification. Background technique

[0002] A conventional refrigerant compression cycle contains only two units, evaporator and condenser, and four processes, evaporation, compression, condensation and expansion.

[0003] The process from evaporation to compression is reasonable. The low-temperature gas produced by evaporation is very suitable for being directly compressed into the compressor, because the compression power consumption of low-temperature cold gas is lower than that of high-temperature gas, but the process from condensation to expansion is unreasonable. Because the condensed refrigerant hot liquid also contains a lot of sensible heat, for refrigeration, the direct expansion and decompression of the hot fluid will offset the cooling capacity of the evaporator.

[0004] For h...

Claims

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