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Performance testing device of carbon dioxide refrigeration compressor for refrigeration systems

A refrigeration compressor, carbon dioxide technology, applied in pump testing, mechanical equipment, machines/engines, etc., can solve the problems of high working pressure of equipment and high system pressure, and achieve the goal of improving safety, reducing costs, and improving active safety. Effect

Active Publication Date: 2010-02-17
HEFEI GENERAL ENVIRONMENT CONTROL TECH
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AI Technical Summary

Problems solved by technology

[0008] In order to solve the problem of high working pressure of each component and equipment of the carbon dioxide refrigeration compressor performance test device and the high pressure of the entire system, the present invention provides a carbon dioxide refrigeration compressor performance test device for transcritical and subcritical refrigeration systems

Method used

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  • Performance testing device of carbon dioxide refrigeration compressor for refrigeration systems

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Embodiment Construction

[0025] The present invention will be further described through the embodiments below in conjunction with the accompanying drawings.

[0026] see figure 1 , the carbon dioxide refrigeration compressor performance test device for the refrigeration system includes an oil separator 7, a condenser 11, a liquid receiver 15, a subcooler 18 and a gas cooler 30 connected in series; an exhaust gas flowmeter is installed at the inlet end of the oil separator 7 4. A shut-off valve A10 is installed on the pipeline between the outlet of the oil separator 7 and the inlet of the condenser 11; a shut-off valve B13 is installed on the pipeline between the outlet of the condenser 11 and the inlet of the liquid storage 15; the outlet of the liquid storage 15 and the A shut-off valve C16 is provided on the pipeline between the inlet of the subcooler 18, and a solenoid valve 19, a shut-off valve D21, a mass flow meter 25, and a liquid pipe are sequentially installed on the pipeline between the outl...

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Abstract

The invention relates to a performance testing device of a carbon dioxide refrigeration compressor for trans-critical and sub-critical refrigeration systems. The prior art is improved in the way thata component for pressure regulation and pressure reduction is connected between a compressor exhaust opening and an exhaust flowmeter in parallel; a safety valve component A is arranged on an oil separator; a safety valve component B is arranged on a condenser; a safety valve component C is arranged on a liquid reservoir; a subcooler is connected between a shutoff valve C of an outlet of the liquid reservoir and an electromagnetic valve in series; a safety valve component D is arranged on the subcooler; a refrigerant filling and recovering storage tank is connected between an inlet of a mass flowmeter and an outlet of a shutoff valve E in parallel; a recovering shutoff valve and a recovering electromagnetic valve are arranged at the position of an inlet of the refrigerant filling and recovering storage tank, a filling shutoff valve and a filling electromagnetic valve are arranged at the position of an outlet of the refrigerant filling and recovering storage tank, and a safety valve component E is arranged on the refrigerant filling and recovering storage tank; and a safety valve component F is arranged on a gas cooler. In the invention, most of parts can adopt products of the conventional pressure resisting grade, thereby solving the problem of higher pressure of the whole system, reducing the cost and improving the safety of the system.

Description

technical field [0001] The invention relates to a performance test device for a carbon dioxide refrigeration compressor, in particular to a performance test device for a carbon dioxide refrigeration compressor used in transcritical and subcritical refrigeration systems. Background technique [0002] In recent years, carbon dioxide, as a natural refrigerant, has been more and more widely used due to its advantages of non-pollution and high efficiency. In the carbon dioxide refrigeration equipment, the carbon dioxide refrigeration compressor (hereinafter referred to as: carbon dioxide compressor) is one of the most critical components. The compressor is a factory-assembled machine. Under different operating conditions, different compression principles, and displacements, the cooling capacity of the compressor is also significantly different. A structure in the compressor and a design replacement of a part will affect the final cooling capacity of the machine. Therefore, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B51/00
Inventor 田旭东张秀平周全武亚伟贾磊
Owner HEFEI GENERAL ENVIRONMENT CONTROL TECH
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