A Downward Reflecting Solar Concentrating Heat Collector

A heat collecting device and solar energy technology, applied in the field of solar energy utilization, can solve the problems of difficult heat storage, large floor space, complex device structure, etc., to reduce heat collection loss, reduce high temperature heat storage, and simplify heat transfer process. Effect
CN105423573BInactive Publication Date: 2018-04-17CHINA UNIV OF PETROLEUM (EAST CHINA)
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA UNIV OF PETROLEUM (EAST CHINA)
Publication Date
2018-04-17
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The present invention proposes a downwardly reflecting solar energy focusing heat collection device, comprising: a rotating parabolic mirror (1), a rotating parabolic heliostat with a transmission hole (2), a cylindrical mirror (3), and a compound parabolic mirror (4) , sunlight receiver (5) and support frame (6); the rotating parabolic mirror (1) is inverted and placed on the rotating parabolic heliostat (2) with a transmission hole, the cylindrical mirror (3), the compound paraboloid The mirror (4) and the sunlight receiver (5) are placed directly below the transmission hole (201) of the rotating parabolic heliostat (2) with the transmission hole; The heliostat (2) is reflected on the inverted rotating parabolic mirror (1), and then reflected downwards by it into a parallel beam passing through the transmission hole (201) to the compound parabolic mirror (4) directly below it, and finally reflected On the solar heat collector (5), realize the downward focusing reflection of sunlight.
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Description

technical field

[0001] The invention belongs to the technical field of solar energy utilization, and in particular relates to a downward-reflecting solar energy focusing heat-collecting device. Background technique

[0002] Solar energy has the advantages of being clean, non-polluting, available anywhere, and inexhaustible, so the development, utilization and conversion of solar energy has become a hot spot of concern; in the utilization technology of solar energy, photothermal conversion technology is widely used , it converts solar radiation energy into thermal energy and utilizes it; at present, the low-temperature thermal utilization of solar energy is developing rapidly, such as solar water heaters; and the high-temperature thermal utilization technology of solar energy has very broad application prospects, such as solar thermal power generation and high-temperature heating, so It is of great significance to study new solar high-temperature heat collectors to improve th...

Claims

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