Composite paraboloid high temperature thermal collector designed by taking lead as basis
A compound paraboloid and advanced technology, which is applied in the field of high-temperature heat collectors and solar high-temperature concentrating heat-collecting devices, can solve the problems of low concentrating efficiency and limited range of use, and achieve increased concentrating ratio, easy operation, and curved surface Effect of improved molding accuracy
Inactive Publication Date: 2011-05-18
HIMIN SOLAR
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Problems solved by technology
However, due to the limitation of the small diameter of the vacuum tube or heat pipe, and the sharp decrease of the light concentration ratio due to the increase of the light receiving port, the problem of low light concentration efficiency in a large angle range is greatly limited.
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[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
[0020] see figure 1 and figure 2 , a high-temperature heat collector based on a compound paraboloid designed in advance. The heat collector is composed of a light-collecting component, a heat-collecting component, a support bracket component, a thermal insulation component, and a sealing component. The four parts are tightly connected together by fixing bolts. Wherein, the condensing assembly includes an internal reflection condenser 14, an internal reflection condensing mirror support 4; the heat collection assembly includes an absorption tube 6 and an absorption tube support 5; the support bracket assembly includes a crossbeam base 2 and a base reinforcement support 1; the heat preservation assembly includes an insulation layer 15, Inner cover 12 of thermal insulation layer and outer cover 1...
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The invention discloses a composite paraboloid high temperature thermal collector designed by taking lead as basis, comprising an internal reflection condensation mirror, the internal reflection condensation mirror is fixed on an internal reflection condensation mirror support, the internal reflection condensation mirror support is fixed with an absorption tube support, the absorption tube support is fixed with an absorption tube, wherein the mirror surface of the internal reflection condensation mirror is an involute composite paraboloid composed of two symmetrical paraboloids and two involute surfaces symmetrical to the focal line of the paraboloids. By adopting the structure of the invention, convection can not be produced between the air in the thermal collector and outside air, thus avoiding convection loss of the system. By adopting the invention, higher condensation ratio and larger receiving angle are realized in high-angle range, cost is low, operation is easy; meanwhile, curve moulding accuracy is greatly improved, and condensation and thermal collection effects are good, thus being beneficial to popularization and application of a solar energy medium and high temperature thermal utilization system.
Description
technical field [0001] The invention belongs to the technical field of solar high-temperature concentrating heat generation technology, relates to a solar high-temperature concentrating heat-collecting device, in particular to a high-temperature heat collector based on a compound paraboloid designed by an advance amount. Background technique [0002] At present, the commonly used solar compound parabolic concentrators are all used in the field of low temperature solar energy, mainly using vacuum tubes or heat pipes as absorbing tubes, and its structural design is mainly to design a plane light receiving port on one side or top of the concentrator. Accept parallel light source, the design is relatively simple. However, due to the limitation of the small diameter of the vacuum tube or heat pipe, and the sharp decrease of the light concentration ratio due to the increase of the light receiving port, the problem of low light concentration efficiency in a large angle range is gre...
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IPC IPC(8): F24J2/12F24S23/71
CPCY02E10/42Y02E10/40
Inventor 刘玉卫熊勇刚陈洪晶
Owner HIMIN SOLAR