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Over critical CO2 refrigeration and rotary wheel dehumidifying combined air conditioning system

A combined air conditioner and rotary dehumidification technology, which is applied in air conditioning systems, refrigerators, refrigeration and liquefaction, etc., can solve the problems of weak air dehumidification ability and no further combination of rotary dehumidifiers, etc., and achieves good environmental protection, Conducive to dehumidification regeneration and efficiency improvement

Inactive Publication Date: 2009-04-29
SHANGHAI JIAO TONG UNIV
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  • Summary
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The carbon dioxide refrigeration systems described in these patents are used alone as a vehicle air-conditioning system, without further combination with a rotary dehumidifier, and the ability to dehumidify the air is relatively weak

Method used

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  • Over critical CO2 refrigeration and rotary wheel dehumidifying combined air conditioning system

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Embodiment Construction

[0017] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0018] Such as figure 1 , the present invention includes a compressor 1, a main gas cooler 2, a flow regulating valve 3, a first auxiliary gas cooler 4, a second auxiliary gas cooler 5, a stop valve 6, an auxiliary circuit throttle valve 7, and an auxiliary circuit evaporator 8. Main circuit throttle valve 9, main circuit evaporator 10, rotary dehumidifier 11, electric heater 12, controller 13, the connection method is: the outlet of compressor 1 is connected with the inlet of main gas cooler 2, and the main The outlet of the gas cooler 2 is connected to the inlet of the flow regulating valve 3, and the flow regulating valve 3 has two outlets, one of which is connected to the inlet of the first auxiliary gas cooler 4, and the other outlet is connected to the second auxiliary gas cooler 5 The outlet of the first sub-gas cooler 4 merges wi...

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Abstract

Crossover criticality carbon dioxide refrigeration and ferriswheel desiccation combined type air conditioning system is of the refrigeration and air conditioning technique field, comprising major loop evaporator, ferriswheel dehumidifier, auxiliary loop evaporator and secondary accessory gas cooler, arranged in turn in the direction of air current flowing from the room outside to inside, first accessory gas cooler, major gas cooler, 8electric heater and ferriswheel dehumidifier arranged in turn in the direction of air current flowing from the room inside to outside, and compressor, flow control valve, first accessory gas cooler, stop valve, auxiliary loop evaporator, major loop throttle valve and major loop evaporator, with carbon dioxide as refrigeration working medium. The invention is benefit for increasing efficiency of refrigeration cycle, reducing energy cost of ferriswheel dehumidifier with environmental protection.

Description

technical field [0001] The present invention relates to an air conditioning system, in particular to a transcritical CO2 refrigeration and wheel dehumidification combined air conditioner which adopts a transcritical carbon dioxide refrigerator to provide a cold source, and utilizes the joint action of cooling dehumidification and wheel dehumidification to improve the dehumidification effect The system belongs to the technical field of refrigeration and air conditioning. Background technique [0002] Reducing the air humidity to the required range is a problem that often needs to be solved in air conditioning. At present, there are two main methods of air dehumidification: cooling dehumidification and solid adsorption dehumidification. Cooling and dehumidification has good dehumidification effect under normal conditions, stable performance and low energy consumption; but when dealing with low-humidity air, it is necessary to lower the surface temperature of the evaporator ve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B1/00F24F3/147F25B5/02
CPCF24F2203/1016F24F3/1423F25B9/008F24F2203/1084F24F2203/1068F25B2309/061F24F2203/1032
Inventor 丁国良
Owner SHANGHAI JIAO TONG UNIV
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