Refrigeration system and method

A refrigeration system and refrigerant technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problem of reducing the superheat degree of the compressor discharge, and achieve the effect of stabilizing the superheat degree of the exhaust gas.

Active Publication Date: 2019-09-03
TRANE AIR CONDITIONING SYST (CHINA) CO LTD
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Problems solved by technology

[0003] However, in the related art, the method of returning oil to the compressor through the air pump can easily reduce the exhaust superheat of the compressor

Method used

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  • Refrigeration system and method
  • Refrigeration system and method
  • Refrigeration system and method

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Embodiment Construction

[0046] The exemplary embodiments will be described in detail here, and examples thereof are shown in the accompanying drawings. When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the present application. Rather, they are merely examples of devices and methods consistent with some aspects of the application as detailed in the appended claims.

[0047] The terms used in this application are only for the purpose of describing specific embodiments, and are not intended to limit the application. Unless otherwise defined, the technical or scientific terms used in this application shall have the usual meanings understood by those with general skills in the field to which this application belongs. The "first", "second" and similar...

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Abstract

The invention provides a refrigeration system and method. The refrigeration system comprises a compressor, an evaporator, an oil return heat exchanger and a condenser. An air outlet of the evaporatorcommunicates with an air inlet of the compressor through a first air return pipeline. An inlet of the oil return heat exchanger communicates with a liquid outlet of the evaporator through a first oilreturn pipeline, and an outlet of the oil return heat exchanger communicates with an oil inlet of the compressor through a second oil return pipeline. An air outlet of the condenser sequentially communicates with an inlet of the oil return heat exchanger, an inlet of a return pipeline and an inlet of the evaporator through a second air return pipeline, and an inlet of the condenser communicates with an exhaust port of the compressor through an exhaust pipeline. According to the refrigeration system, oil and refrigerant mixed liquid output by the evaporator is subjected to heat exchange throughthe oil return heat exchanger and then is input into the oil inlet of the compressor, so that the exhaust superheat degree of the compressor can be stabilized.

Description

Technical field [0001] This application relates to the field of refrigeration technology, in particular to refrigeration systems and methods. Background technique [0002] When the compressor in the refrigeration system is running, oil is usually required to lubricate its interior, but the oil inside the compressor is inevitably discharged with the refrigerant gas when the compressor is exhausted, and is retained in the evaporator, affecting the evaporator and compression The normal operation of the machine. Based on this, it is necessary to return the oil in the evaporator to the compressor. [0003] However, in the related art, the method of returning oil to the compressor by the air pump easily reduces the superheat of the exhaust gas of the compressor. Summary of the invention [0004] The present application provides a refrigeration system and method capable of stabilizing the superheat of exhaust gas of a compressor. [0005] According to a first aspect of the embodiments of ...

Claims

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Application Information

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IPC IPC(8): F25B49/02
CPCF25B49/02
Inventor 李杰王武超
Owner TRANE AIR CONDITIONING SYST (CHINA) CO LTD
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