Mechanical flash type air conditioning refrigeration system and working method thereof

An air-conditioning refrigeration and flash evaporation technology, applied in the field of air-conditioning refrigeration systems and mechanical flash air-conditioning refrigeration systems, can solve the problems of large cooling loss and high energy consumption for unit operation, achieve small cooling loss, reduce operating energy consumption, The effect of high cooling efficiency coefficient

Active Publication Date: 2017-05-24
JIANGSU LEKE ENERGY SAVING TECH CO LTD
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Problems solved by technology

[0002] At present, vapor compression water-cooling units are widely used in the field of air-conditioning and refrigeration. The chillers require indirect heat exchange with in

Method used

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  • Mechanical flash type air conditioning refrigeration system and working method thereof

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, and the given examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0024] figure 1 It is the system schematic diagram of this embodiment. A mechanical flash air-conditioning and refrigeration system, consisting of a water vapor compressor 1, a condenser 2, a cooling tower 3, a cooling pump 4, a steam-water separation tank 5, a vacuum pump 6, a circulation pump 7, a fan coil unit 8, and a first throttle Valve 9, second throttle valve 14, first flash tank 10 and second flash tank 11.

[0025] The exhaust port on the top of the first flash tank 10 is connected to the inlet of the steam compressor 1, the outlet of the steam compressor 1 is connected to the inlet of the hot side channel of the condenser 2, and the outlet of the hot side channel of the condenser 2 is con...

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Abstract

The invention provides a mechanical flash type air conditioning refrigeration system and a working method thereof, and belongs to the technical field of refrigeration. The system uses water as a working medium, and compared with a conventional refrigeration system using freon as the working medium, the mechanical flash type air conditioning refrigeration system has the advantage that the circulating working medium is free of any environmental hazards; and chilled water obtained by flash evaporation in the working process directly exchanges heat with indoor air, the cold release only requires one-stage heat exchange, the system cold loss is small, the operation condition of a water vapor compressor is improved, the operation energy consumption of the water vapor compressor is reduced, and the system has a relatively high refrigeration coefficient. According to the system, the frequency of the water vapor compressor is adjusted during a night valley electricity price period so that the flash refrigerating capacity of the system can be increased; and cold accumulation is carried out through a flash tank, and cold is released during a high-electricity-price period so that the peak load shifting of the electric power resources can be realized, and meanwhile, the operation cost of the system is reduced. The mechanical flash type air conditioning refrigeration system has the advantages of being energy-saving, environmentally friendly and the like.

Description

technical field [0001] The invention relates to an air-conditioning and refrigeration system, in particular to a mechanical flash-type air-conditioning and refrigeration system and its working method, belonging to the technical field of refrigeration. Background technique [0002] At present, vapor compression water-cooling units are widely used in the field of air-conditioning and refrigeration. The chillers require indirect heat exchange with indoor air at the user's end through circulating chilled water. When the system is running, the loss of cooling capacity is large, and the energy consumption of the unit is high. In addition, most chillers use hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs) as refrigerants. The vibration of the unit during operation often leads to the leakage of refrigerant. The HCFCs leaked into the atmosphere will naturally decompose and destroy the ozone layer under the action of sunlight. Although HFCs refrigerants will not destroy ...

Claims

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Application Information

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IPC IPC(8): F24F5/00F24F13/30
CPCF24F5/001F24F5/0017F24F13/30F24F2005/0025F24F2005/0032Y02E60/14
Inventor 夏君君彭涛
Owner JIANGSU LEKE ENERGY SAVING TECH CO LTD
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