Heat collector material for solar heat airflow power generation
A technology of solar thermal and heat collection shed, applied in the field of solar energy utilization, can solve the problems of rare device research, high cost, and insufficient heat preservation effect
Inactive Publication Date: 2012-07-11
XI AN JIAOTONG UNIV
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Problems solved by technology
Double-layer air-filled sealed glass is filled with inert gas in the glass interlayer cavity. Although it can avoid explosion and injury, the thermal conductivity of inert gas is much higher than that of air, so the thermal insulation effect is not good enough, and the cost is high.
[0004] After searching the existing literature, the research on solar thermal power generation technology mainly focuses on the design and improvement of the system, and the research on specific devices used in solar thermal power generation technology is rare
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[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0013] see figure 1 , The solar hot air flow power generation heat collection shed material of the present invention adopts a hollow PC board 1, and the cavity 2 of the PC board 1 is filled with carbon dioxide gas.
[0014] In the present invention, PC board and carbon dioxide gas are applied to solar hot air flow power generation and heat collection shed. PC board is an amorphous thermoplastic resin with excellent comprehensive performance, which has excellent electrical insulation, extensibility, dimensional stability and chemical corrosion resistance. High strength, heat resistance and cold resistance. Compared with other materials, PC board has many advantages. Its light transmittance is slightly higher than that of glass, and its heat transfer coefficient is much smaller than that of glass. The working temperature can be between -40°C and 120°C. There...
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A heat collector material for solar heat airflow power generation is provided with a hollow PC (polycarbonate) plate, and carbon dioxide is filled in a cavity of the PC plate. The PC plate and the carbon dioxide are combined to form the heat collector material, the PC plate is light in weight, and the transmittance and the heat-insulation characteristic of the PC plate are better than those of common glass and hollow glass. The carbon dioxide gas has heat absorption and heat insulation functions. Solar radiation projected to the ground is mainly short-wave radiation and can be transmitted through a carbon dioxide layer to be projected into the ground, long-wave radiation generated after soil of the ground is heated is absorbed by the carbon dioxide in the heat collector material, and accordingly an effect of atmospheric warming is realized.
Description
technical field [0001] The invention relates to a solar energy utilization technology, in particular to a heat collecting shed material for applying carbon dioxide and PC boards to solar hot air flow power generation. Background technique [0002] Solar thermal airflow power generation technology is a power generation system using air as the working medium. Sunlight irradiates the heat collecting shed, heating the air in the shed and the soil under the shed (that is, the heat storage layer of the system), the temperature of the heated air rises, and the density decreases. Under the suction action of the deflector tower, a strong updraft is formed to drive the wind turbine unit to generate electricity. At the same time, the cold air around the heat collection shed is replenished into the shed, forming a continuous air circulation flow. The heat collection shed is an important part of the solar thermal airflow power generation system, and it has an important impact on the effi...
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Login to View More IPC IPC(8): F24J2/48
CPCY02E10/40
Inventor 谢永慧李平李亚鸽张荻
Owner XI AN JIAOTONG UNIV