Large-capacity well type solar heat collection-storage device
A solar heat collection and heat storage device technology, applied in the field of heat storage and solar heat collection, can solve the problems of increasing operation and maintenance costs, increasing equipment investment costs, increasing operating costs, etc., to reduce investment costs and equipment operation and maintenance costs, Small footprint and low maintenance costs
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[0029] like figure 1 As shown, the primary reflector 1 is a concave reflector with a large radius of curvature, which is fixed on the ground and equipped with a sun tracker, and multiple primary reflectors form a reflector array. The direct solar radiation is projected onto the secondary reflector 14 after being focused by the primary reflector 1 , and the secondary reflector 14 is also a concave reflector, which is fixed high in the sky by a rigid bracket 13 . After the radiation is reflected and focused twice by the secondary reflector 14, it is projected into the sun well 11 through the sun well cover 12, and the focus falls on the heat absorber 3 at the bottom of the well. The sun well cover 12 is a disc-shaped thin plate with a hole in the middle, which can be made of high temperature resistant glass with good light transmission; the sun well 11 is conical, so that the high-density sun entering the well will corrode to produce a blackbody effect and improve heat absorptio...
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