A linear Fresnel solar thermal collector module

Abstract

The invention discloses a linear Fresnel efficient solar heat collection module. The linear Fresnel efficient solar heat collection module comprises an annular supporting sleeve, and a transparent plastic supporting strip is arranged in the middle portion of the annular supporting sleeve; a heat collector is arranged in a hollow structure, and a series-connection array type heat collection pipeline is arranged in the circumferential direction of the heat collector; and a flow stopping structure is additionally arranged in the heat collection pipeline; a steel pipe and a thin steel plate are arranged at the center of an inner cavity of the heat collector; and according to the linear Fresnel efficient solar heat collection module, an ethylene glycol solution serves as a circulating medium of the heat collector, and breaking of a heat boundary layer is completed, the convection heat exchange effect is improved, and the solar heat collection efficiency is improved; and the series-connection array type structural design is adopted, through the transparent plastic supporting strip and the annular supporting sleeve, a sealed hollow glass cover plate is formed by upper antireflection high white toughened glass and lower antireflection high white toughened glass, the solar heat absorption area is increased, the transmission and the stress strength can be improved, and the high sealing performance and high heat-insulation performance of the module can be achieved.

Description

technical field [0001] The invention relates to the technical field of solar heat collectors, in particular to a linear Fresnel solar heat collection module. Background technique [0002] When the current solar collectors are in use, the indoor thermal environment cannot achieve good results, and the indoor air quality is affected, and the effect of convective heat transfer is poor. Common solar collectors have low light transmittance and stress strength. The heat collecting element cannot meet the needs of long-term use, and the heat collecting efficiency is poor. It can only absorb solar radiation once, and the heat transfer effect of the heat absorbing surface is poor. Therefore, we propose a linear Fresnel solar heat collecting module. Contents of the invention [0003] The object of the present invention is to provide a linear Fresnel solar heat collecting module to solve the problems raised in the above-mentioned background technology. [0004] In order to achieve t...

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Problems solved by technology

[0002] When the current solar collectors are in use, the indoor thermal environment cannot achieve good results, and the indoor air quality is affected, and the effect of convective heat transfer is poor. Common solar collectors have low light transmittance and stress strength. The heat collecting element cannot meet the needs of long-term use, and the heat collecting efficiency is poor. It can only absorb solar radiation once, and the heat transfer effect of the heat absorbing surface is poor. Therefore, we propose a linear Fresnel solar heat collecting module

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