Efficient solar energy thermal absorber based on optical-thermal absorbing cone structure
A technology of solar heat absorber and heat absorber, which is applied to solar heat collectors, solar heat collectors using working fluid, solar thermal energy, etc., and can solve processing difficulties, low heat absorption efficiency of heat absorbers, and internal flow loss Large and other problems, to achieve the effect of reducing reflection loss, high-efficiency operation, and low-cost manufacturing in large quantities
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[0015] Control attached figure 1 , its structure includes a sealing cover 1, a thermal insulation pipe sleeve 3, an airflow pipe 2, a heat absorber, a glass cover 5 and a heat absorber fastener 7, wherein the heat absorber is a truss-shaped structure, and each plane can be manufactured separately; each One plane is a light and heat absorption cone plate, and the surface distribution is composed of a large number of sharp pyramids, which are made of high thermal conductivity porous loose materials; the glass cover is 5 conical shapes; the sealing cover 1, the heat absorbing body, and the glass cover 5 form a closed The air enters the cavity through the air intake hole of the sealing cover 1, is heated by the porous medium photothermal absorption cone plate to take away the solar energy, and finally flows out from the outlet end of the heat absorber along the airflow duct 2. The heat-absorbing body fastener 7 is located between the airflow pipe 2 and the heat-absorbing body, and...
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