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Disc solar furnace

A solar furnace and dish-type technology, which is applied in the field of solar thermal utilization, can solve the problems of reducing the cost of unit power generation capacity, and the difficulty of reliable connection between the collector and the external medium system, etc.

Inactive Publication Date: 2014-02-19
汪禹
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  • Application Information

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Problems solved by technology

[0005] The current solar heat collection technology is mainly to solve the problem of further improving the medium parameters in order to improve the thermal cycle efficiency of power generation, which makes it difficult to reliably connect the heat collector with the external medium system, and reduce the cost of unit power generation capacity.

Method used

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Embodiment Construction

[0012] according to figure 1 and figure 2 According to the structural requirements of the dish solar furnace shown, the concentrating dish (1), reflective cap (2), plane reflector (3), black cavity (4), support arm (5), elevation angle tracking device (6), Horizontal angle tracking device (7), plane mirror transmission mechanism (8), support (9) and base (10), carry out on-site assembly again.

[0013] 1. Condenser (1) is a rotating paraboloid, the relationship between its depth H, diameter D and focal length F is D 2 =16FH. A window is opened in the center of the disc. The structure of laying a parabolic substrate on the skeleton can be adopted, and the concave surface can be made of mirror aluminum as a reflective mirror. The optical disc (1) can also be made into a foldable form according to the folding principle of an umbrella, and can be folded together with other components into a smaller volume for easy travel.

[0014] 2. The reflection cap (2) is also a parabolo...

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Abstract

The main purpose of the existing solar heat collection technology is to solve the problem that increasing generating heat cycle efficiency to further increase medium parameters causes difficulty in reliable connection between a collector and an external medium system and reduction in cost of unit generating capacity. The invention discloses a disc solar furnace (disc heat collector) mainly comprising a condensing disc, a reflecting cap, a plane mirror, a black cavity, a support arm, an elevation tracking device, a horizontal tracking device, a plane mirror drive mechanism, a support and a base. The center of the condensing disc is provided with a window admitting passage of light. The reflecting cap turns condensed light from the condensing disc into parallel condensed beams and transmits the beams to the plane mirror, and the plane mirror reflects the beams to the black cavity. The plane mirror at the lower end of the support arm is hinged to the support arm. The plane mirror drive mechanism automatically adjusts rotation angle of the plane mirror according to changes in elevation of the condensing disc when the condensing disc tracks the sun, and therefore, the fact that the reflected beams from the plane mirror are aligned with the black cavity is ensured.

Description

technical field [0001] The invention belongs to solar photothermal utilization technology in the field of new energy or renewable energy, and is mainly used for solar photothermal power generation, heat supply, distributed energy, household or portable solar cookers, and the like. Background technique [0002] At present, there are four main types of solar power generation heat collection technology: trough type, dish type, tower type and Fresnel type, and these four types are all focused heat collectors. Among them, the trough type and Fresnel type collectors are line-focusing, the current technology is very mature, and the cost is relatively low, but the concentration ratio is not high enough, it is difficult to achieve high temperature and high pressure of the medium parameters, so it is impossible to further improve the thermal cycle of power generation efficiency. The tower collector is point-focused, which can achieve a high concentration ratio and high temperature an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/08F24J2/12F24J2/16F24J2/52F24S23/30F24S23/71F24S23/77
CPCY02E10/42Y02E10/47
Inventor 汪禹
Owner 汪禹
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