Multi-dish confocal tower Fresnel solar concentrating system

A solar concentrating and confocal technology, used in solar heating systems, solar thermal energy, solar thermal power generation, etc., can solve the problems of increasing the difficulty of supporting frame design, increasing system costs, and low system efficiency, and achieving good wind resistance. , saving construction costs, the effect of stable chemical properties
CN103836809BActive Publication Date: 2016-02-10QINHUANGDAO YUYANG SOLAR TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
QINHUANGDAO YUYANG SOLAR TECH CO LTD
Publication Date
2016-02-10

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Abstract

The invention discloses a multi-disk confocal tower Fresnel solar concentrator system. The system comprises a heat collecting and energy storing part, a body tracking part and a high-power point focusing tracking part, wherein the heat collecting and energy storing part comprises a heat transfer conductor, the two ends of the heat transfer conductor are connected with an energy storing device and a heat collector to form a whole respectively; the body tracking part comprises an H-type truss, and the H-type truss is connected with a tracking speed reduction motor; the high-power point focusing tracking part comprises moveable beams and reflectors, the moveable beams are installed on the H-type truss and connected with distributed adjusting swing rods, the distributed adjustment swing rods are hinged to corresponding micro-arc linkage rods, the reflectors are installed on the adjusting swing rod, and the micro-arc linkage rods are hinged to electric push rods installed on the H-type truss. Due to the change of the compact arrangement pitch angle of each micro-arc six-edge reflector, sunlight is utilized and received to the maximum limit, and the solar altitude angle can be tracked. The problems about traditional single-disk tracking, the light concentrating area, system cost and energy loss on a heat conduction pipeline are solved.
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Description

technical field

[0001] The invention relates to a solar concentrating system as a device for converting solar energy into heat energy, in particular to a multi-dish confocal tower Fresnel solar concentrating system. Background technique

[0002] The solar concentrator system is the most important component in a solar power station, and its cost accounts for about 50% of the entire power generation system. Therefore, how to improve the system's concentration and heat collection efficiency, effectively reduce the system cost, and at the same time reduce the difficulty of system installation and maintenance is the key to the marketization of solar thermal power generation technology.

[0003] At present, most of the trough-type concentrating systems that are widely used in commercial operation are tube truss-type, which consume a lot of steel materials, are heavy, and cost high. In addition, they use single-axis tracking, low concentration ratio, and low photothermal conversion...

Claims

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