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Absorption type sea water desalination and closed cycle power generation system

A closed cycle, power generation system technology, applied in seawater treatment, water/sewage treatment, machine/engine, etc., can solve the problems of heat source loss, unfavorable sensible heat source, narrow heat absorption temperature range of main heater, etc. The effect of efficiency

Pending Publication Date: 2019-10-18
SHANGHAI POWER EQUIP RES INST
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Problems solved by technology

[0005] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is that when the supercritical carbon dioxide cycle is applied to a power generation system, due to the relatively narrow heat absorption temperature range of the main heater, heat source loss is caused, especially for sensible heat. The problem of unfavorable heat source

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  • Absorption type sea water desalination and closed cycle power generation system

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Embodiment Construction

[0027] The technical solution of the present invention will be described in detail below in conjunction with the embodiments.

[0028] Such as figure 1 As shown, the absorption seawater desalination and closed cycle power generation system of the embodiment of the present invention includes: a heat source 200 , an absorption seawater desalination circuit 100 and a supercritical carbon dioxide circulation circuit 300 .

[0029] The heat source 200 provides heat for the generator 20 of the absorption desalination circuit 100 and the working fluid heater 5 of the supercritical carbon dioxide circulation circuit 300 .

[0030] The heat source 200 may be selected from fossil energy, solar energy, biomass energy or nuclear energy and the like. In the embodiment of the present invention, the heat source 200 is selected from fossil energy and is in the form of a coal-fired boiler. The heat generated by the combustion of the coal-fired boiler is provided to the working medium heater 5...

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Abstract

The invention provides an absorption type sea water desalination and closed cycle power generation system which comprises a heat source, an absorption type sea water desalination circuit and a supercritical carbon dioxide circulation loop. According to the absorption type sea water desalination and closed cycle power generation system, waste heat released by the supercritical carbon dioxide circulation loop is used for sea water desalination through the absorption type sea water desalination circuit, so that the low-quality waste heat can be used, and the sea water desalination energy consumption is low; and supercritical carbon dioxide circulation in a simple backheating mode is adopted, the structure of the system is simple and compact, the working temperature of a generator is low, andheat at low temperature section of the heat source can be dissipated, and the efficiency of the heat source is improved.

Description

technical field [0001] The invention relates to the technical field of power generation, in particular to an absorption type seawater desalination and closed cycle power generation system. Background technique [0002] Water is a basic natural resource and a strategic economic resource. With the rapid growth of the world's total population, rapid economic and social development, and the impact of climate change, the world is facing an increasingly serious water shortage crisis. Seawater desalination, as an open-source incremental technology to realize the sustainable utilization of water resources, can increase the total amount of fresh water, is less affected by climate, stable water supply, good water quality and high reliability, and can provide high-quality municipal water supply and industrial high-quality water for coastal areas. Quality water has become an important means to solve the crisis of fresh water shortage in coastal areas around the world. At present, the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K7/32F01K13/00F01K25/10C02F1/16C02F103/08
CPCF01K7/32F01K13/00F01K25/103C02F1/16C02F2103/08Y02A20/124
Inventor 郑开云黄志强
Owner SHANGHAI POWER EQUIP RES INST
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