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Comprehensive system for preparing fresh water and hydraelectric generation by solar energy chimney indirect condensing heat-exchange

A technology of solar chimney and condensation heat exchange, which is applied in the fields of energy wastewater treatment, water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of difficult breakthroughs and limitations of thermodynamic efficiency, and achieve the improvement of comprehensive utilization degree, The effect of strengthening water evaporation and increasing water evaporation rate

Inactive Publication Date: 2007-08-15
TIANJIN UNIV
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Problems solved by technology

Subsequently, some countries such as the United States, Spain, India, Australia, Turkey, China and South Africa carried out a series of research on solar chimney power generation and related technologies. Cycle limit, its thermodynamic efficiency is difficult to break through 1%

Method used

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  • Comprehensive system for preparing fresh water and hydraelectric generation by solar energy chimney indirect condensing heat-exchange

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Embodiment Construction

[0018] A solar chimney indirect condensation heat exchange preparation fresh water and hydropower integrated system, a solar chimney 2 is arranged on the top of the solar heat collection shed 1, an indirect condensation device 3 is arranged on the upper end of the solar chimney, and an indirect condensation device 3 is arranged on the outside of the lower part of the solar chimney There is a hydraulic turbine generator set 5, and the pressurized water pipeline 4 is respectively connected with the indirect condensing device and the hydraulic turbine generator set.

[0019] The height of solar chimney can be selected 1 meter, or 1000 meters, can also choose 5 meters, 10 meters, 50 meters, 100 meters, 150 meters, 200 meters, 500 meters, 700 meters, 900 meters.

[0020] The internal diameter of solar chimney can be selected 1 meter or 100 meters, also can choose 5 meters, 10 meters, 15 meters, 20 meters, 30 meters, 40 meters, 50 meters, 60 meters, 70 meters, 80 meters, 90 meters. ...

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Abstract

A system for preparing fresh water by air and hydraulically generating electric energy, used to treat water, bittern, or industrial sewage, is composed of a solar heat collecting shed, a solar chimney on said shed, an indirect condensing unit on the top of said chimney, and a hydraulic turbogenerator set under said chimney. The water is forced to evaporate and the indirect heat exchanger is used to condense the wet and hot air to become fresh water. The fresh water stream can drive said turbogenerator.

Description

technical field [0001] The invention relates to a solar energy utilization device, in particular to a system for preparing fresh water by indirect condensation heat exchange in a solar chimney and performing hydroelectric power generation. Background technique [0002] In today's increasingly scarce fresh water resources, the use of solar energy to desalinate seawater or brackish water has attracted more and more attention. The advantage of solar desalination of seawater is that it does not consume conventional energy, does not produce secondary pollution, saves operating costs, and obtains high purity fresh water. There are two ways to use energy in this technology: one is to use solar energy to generate heat to drive the seawater phase change process (distillation); the other is to use solar power to drive the dialysis process. The former is generally divided into two categories: direct method and indirect method. The direct method refers to the direct use of solar energy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/14F03B13/00
CPCY02A20/212Y02W10/37
Inventor 王一平张金利朱丽方振雷王俊红杨智勇
Owner TIANJIN UNIV
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