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Solar water-working-medium cavity-type heat absorber

A solar energy and heat sink technology, applied in the field of concentrating solar thermal power generation devices, can solve the problems of uneven heat flow density and large heat loss, and achieve the effects of solving heat loss, increasing heat absorption, and increasing concentration

Active Publication Date: 2015-10-07
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] In order to overcome the above-mentioned defects in the prior art, the purpose of the present invention is to provide a solar hydraulic fluid cavity heat absorber, which can effectively solve the problem of heat flux density on the heat absorbing surface of the existing cavity heat absorber. Problems of unevenness and large heat loss

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  • Solar water-working-medium cavity-type heat absorber

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing, the present invention is described in further detail: this embodiment is carried out under the premise of technical solution of the present invention, has provided detailed implementation mode and process, but protection scope of the present invention is not limited to following implementation example.

[0024] see figure 1 and figure 2 , an improved solar hydraulic mass cavity heat absorber of the present invention, comprising an air supply unit, a heat exchange unit and a cavity 3;

[0025] The gas supply unit includes CO with a certain pressure 2 Gas tank 9, CO 2 A first valve 10 is provided at the exhaust port of the gas storage tank 9, and the CO 2 A gas pump 11 is also provided on the pipeline connecting the gas storage tank 9 and the cavity 3 , and a second valve 8 is provided at the air inlet of the cavity 3 . On the top of the cavity 3, there is an air discharge valve 2 and a CO 2 Gas outlet valve 5. There...

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Abstract

The invention discloses a solar water-working-medium cavity-type heat absorber, and belongs to the technical field of light-condensation solar thermal power generation devices. The heat absorber comprises a gas supplying unit, a heat exchanging unit and a cavity. The gas supplying unit comprises a CO2 gas storage tank connected with the cavity, a gas pump is further arranged on a pipeline connected with the cavity, a first valve is arranged at an exhausting opening of the CO2 gas storage tank, and a second valve is arranged at a gas inlet of the cavity. The heat exchanging unit comprises a heat exchanger connected with the cavity, the heat exchanger is communicated with an exhausting pipeline of the CO2 gas storage tank through a bypass pipeline, and a bypass valve is arranged on the bypass pipeline. An air discharging valve and a CO2 gas discharging valve are arranged at the top of the cavity. Greenhouse gas is sufficiently utilized, a novel utilization mode which saves energy and reduces emissions is adopted, and the heat absorber is reasonable in structural arrangement and easy to obtain and has broad application prospects.

Description

technical field [0001] The invention belongs to the technical field of concentrating solar thermal power generation devices, and in particular relates to an improved solar hydraulic mass cavity heat absorber. Background technique [0002] Due to the continuous consumption of fossil fuels and the improvement of national environmental awareness, solar thermal power generation has attracted global attention. At present, there are mainly three types of concentrating solar thermal power generation (CSP), tower type, trough type and dish type thermal power generation. Among them, the tower type solar thermal power generation system is favored because of its high focusing ratio, large-scale power generation and high power generation efficiency. Wide attention at home and abroad. The basic principle of the tower solar thermal power generation system is to use the heliostat matrix to focus the solar energy into the heat absorber placed high in the sky, and the working medium absorbs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/05F24J2/30F24J2/46F24S10/30F24S10/40
CPCY02E10/44
Inventor 王跃社胡甜魏进家
Owner XI AN JIAOTONG UNIV
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