Double-temp-raising produced overcooling absorption and single effect, afterheat absorbing refrgerating system

A technology of temperature rise and subcooling, which is applied in refrigerators, adsorption machines, refrigeration and liquefaction, etc., can solve the problems of small temperature difference between the inlet and outlet of heat source working fluid, low COP value, high initial investment, etc., and achieve compact equipment and absorption effect Enhanced, low heat source temperature effect
CN1563857AInactive Publication Date: 2005-01-12UNIV OF SHANGHAI FOR SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
UNIV OF SHANGHAI FOR SCI & TECH
Publication Date
2005-01-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

Heat exchanger of working medium of solution heat source and heat exchanger of solution cold water added to system based on single action absorption type cooling distribution system makes dilute solution passing through solution heat exchanger and before entering into generator be preheated in new added heat exchanger of working medium of solution heat source by heat source working medium discharged from generator. Dual temperature rise is realized in circulation. Before entering into absorber, the strong solution is pre-cooled in new added heat exchanger of solution cold water. The two added heat exchanger constitute new circulating flow, parameters of the circulating state are changed. Module functions are enhanced. Available temp of heat source is even lower. Difference in temp of heat source working medium between in and out absorption type refrigerate machine is increased so that machine is compact.
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Description

technical field

[0001] The invention relates to a double-temperature-rise supercooling absorption single-effect waste heat absorption refrigeration system used in refrigeration and air-conditioning industries. Background technique

[0002] At present, low-temperature heat-driven lithium bromide absorption refrigerators generally use single-effect absorption refrigeration cycles. figure 1 , in the figure, 1 is high pressure water vapor, 2 is condenser, 3 is cooling water inlet, 4 is cooling water outlet, 5 is throttling device, 6 is evaporator, 7 is refrigerant water outlet, 8 is refrigerant water inlet, 9 is the low pressure refrigerant water vapor, 10 is the absorber, 11 is the solution pump, 12 is the solution heat exchanger, 13 is the generator, 14 is the heat source working fluid in, 15 is the heat source working fluid out. The high-pressure refrigerant water vapor releases heat to the cooling water in the condenser, condenses into refrigerant water, and enters the evap...

Claims

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