Refrigerating system and operation method for preventing wet compression of compressor of refrigerating system

A refrigeration system and compressor technology, which is applied to compressors with reversible cycles, refrigerators, compressors, etc., can solve problems such as multi-energy and loss, reduce low-pressure liquid refrigerant, and improve operational effectiveness and safety. Effect

Inactive Publication Date: 2015-06-10
GREE ELECTRIC APPLIANCES INC
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  • Claims
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Problems solved by technology

This method is relatively common, but if the original liquid refrigerant in the low-pressure system, especially the gas-liquid separator, is too much, the compressor will also be in a wet compression state for a long time
[0006] 2. Use the air bypass method to increase the superheat of the refrigerant entering the compressor, but this method will lose more energy

Method used

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  • Refrigerating system and operation method for preventing wet compression of compressor of refrigerating system
  • Refrigerating system and operation method for preventing wet compression of compressor of refrigerating system

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Embodiment Construction

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0042] The relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. At the same time, it should be understood that, for the convenience of descriptio...

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Abstract

The invention discloses a refrigerating system and an operation method for preventing the wet compression of the compressor of the refrigerating system. The refrigerating system comprises a main circulation circuit, the main circulation circuit comprises a refrigerant pipeline as well as the compressor, a condenser, a throttle component, an evaporator and a gas-liquid separator which are connected in sequence through the refrigerant pipeline, the gas-liquid separator comprises a liquid refrigerant outlet, the refrigerating system further comprises a migration flow circuit, the migration flow circuit comprises a migration device used for transferring liquid refrigerant from the inlet end of the migration flow circuit to the outlet end of the migration flow circuit, the inlet end of the migration flow circuit is connected with the liquid refrigerant outlet of the gas-liquid separator, and the outlet end of the migration flow circuit is connected between the exhaust port of the compressor and the inlet of the evaporator on the main circulation circuit. The refrigerating system can effectively prevent excessive low-pressure liquid refrigerant and wet compression of the compressor, thereby prolonging the service life of the compressor and improving the operation effectiveness and safety of the refrigerating system.

Description

technical field [0001] The invention relates to air-conditioning, refrigeration and heating equipment, in particular to a refrigeration system and an operation method for preventing wet compression of a compressor of the refrigeration system. Background technique [0002] Typical refrigeration systems in the prior art such as figure 1 shown. The refrigeration system includes a main circulation loop, which includes a refrigerant pipeline and a compressor 1, an oil separator 2, a one-way valve 3, a four-way valve 4, an outdoor heat exchanger 5, and a throttling valve that are sequentially connected through the refrigerant pipeline. Component 6, indoor heat exchanger 7 and gas-liquid separator 8. By switching the four-way valve 4, the refrigeration system can realize two working modes of refrigeration cycle and heating cycle. [0003] The refrigeration system of the above prior art can guarantee the safety and effectiveness of operation under certain operating conditions. H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B13/00F25B41/04F25B41/00F25B49/02F25B41/20F25B41/40
CPCF25B13/00F25B49/02F25B2313/02741F25B2400/19F25B2500/06F25B41/40F25B41/20
Inventor 许浩张仕强代文杰张一鹤李煜东
Owner GREE ELECTRIC APPLIANCES INC
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