Automatic recovery and fill system of refrigeration system

A refrigeration system and automatic recovery technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve problems such as low efficiency of the system, lack of oil in the compressor, wear and tear of the compressor, and achieve the effect of avoiding damage

Inactive Publication Date: 2010-07-07
DALIAN SANYO COMPRESSOR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, most of the multifunctional refrigerant recovery machines on the market have the functions of refrigerant recovery, refrigeration system vacuuming and charging, but seldom consider the recovery and charging of refrigeration oil, and it is easy for the refrigeration system to recover refrigerant several times. Due to repeated vacuuming, the compressor is sho...

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  • Automatic recovery and fill system of refrigeration system
  • Automatic recovery and fill system of refrigeration system

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with accompanying drawing, as figure 1 As shown, a refrigerant automatic recovery and charging system of a refrigeration system includes a refrigerant recovery and charging device, a vacuum device, and the vacuum device includes a manual shut-off valve A2 and a vacuum pump 3; The agent recovery device includes a gas-liquid separation evaporation tank 5, a compressor 12, an oil separator 18, a condenser 20, and a liquid storage tank 29. The front end of the gas-liquid separation evaporation tank 5 is connected with a manual stop valve B4 and a one-way valve A1 , the rear end is connected in sequence with manual shut-off valve C8, suction filter 9, manual shut-off valve D10, low pressure gauge 11 and compressor 12, high and low pressure switch 13 is connected in parallel with compressor 12, and the outlet end of compressor 12 is connected with high pressure in turn Table 14. Manual cut-off valve E17 and ...

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PUM

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Abstract

The invention discloses an automatic recovery and fill system of a refrigeration system, comprising a refrigerant recovery and fill device, a vacuum extractor and a refrigeration oil recovery and fill device, wherein, the refrigerant recovery and fill device comprises a gas-liquid separation evaporating drum, a compressor, an oil separator, a condenser and a fluid reservoir; the refrigeration oil recovery and fill device comprises an oilway filter, an oil reservoir and an oil flowmeter. As an outlet of the oil separator of the system additionally has the refrigeration oil recovery and fill device, both refrigerant recovery and refrigeration oil recovery are realized, also, the refrigeration oil can be filled into the refrigeration system and the compressor. The gas-liquid separation evaporating drum of the invention can separate gas and liquid fully, while a heating strip under the drum enables liquid refrigerant in the drum to evaporate at every moment, which prevents the return liquid damaging the compressor. The system has the effects of energy saving and environmental protection.

Description

technical field [0001] The invention relates to a recovery and reuse device for a refrigeration system, in particular to an automatic recovery and charging system for a refrigeration system. Background technique [0002] In order to promote the sustainable development of the environment and improve the living conditions of human beings, countries all over the world have restricted the discharge of HCF and HCFC refrigerants to the atmosphere. At the same time, because some environmentally friendly refrigerants are expensive, it is an economical and environmentally friendly method to collect refrigerants in waste refrigeration systems or experimental development and testing systems for recycling. [0003] At present, most of the multifunctional refrigerant recovery machines on the market have the functions of refrigerant recovery, refrigeration system vacuuming and charging, but seldom consider the recovery and charging of refrigeration oil, and it is easy for the refrigeratio...

Claims

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Application Information

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IPC IPC(8): F25B31/00F25B43/00F25B45/00
Inventor 秦妍孙东张剑飞刘前进
Owner DALIAN SANYO COMPRESSOR
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