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Fresnel solar collector arrangement

A heat collector and solar technology, applied in the direction of solar thermal devices, solar heat collectors, solar heat collector controllers, etc., can solve the problems of cost, equipment failure, high adjustment, etc., and achieve the effect of eliminating adjustments

Inactive Publication Date: 2010-02-10
NOVATEC BIOSOL AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the separate control of the discrete motors or the separate adjustment and adjustment for the tracking of the mirror or the control of the pivoting of the mirror would result in a high adjustment or control effort, which would make the The device described is prone to failure to a certain extent

Method used

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Examples

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Embodiment Construction

[0028] according to figure 1As shown, the Fresnel solar collector arrangement comprises a receiver 1 mounted elevated on a receiver column 2 . For this purpose, the receiver column 2 is mounted in a fixed bearing 3 , which at the same time forms the central axis of the angularly symmetrical mirror carrier structure 4 . Here the mirror support structure 4 essentially consists of support rails 5 made of the same material as the receiver column 2 , in this example 37-gauge steel, and extending perpendicularly from the longitudinal axis of the receiver 1 respectively Extend outward. The receiver 1 here essentially consists of heat absorber tubes in which a heat medium, which acts as a heat store, flows. The heat medium can be simple steam or heat transfer oil. The heat absorber tube is usually surrounded by a sub-reflector which captures any scattered light from the mirror arrangement and deflects it onto the heat absorber tube. On both sides of the support structure, ie subst...

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Abstract

The invention relates to a Fresnel solar collector arrangement consisting essentially of a receiver (1) and a mirror arrangement associated with the receiver (1). Said arrangement is temperature-compensated by the use of materials with the same temperature expansion coefficient for the receiver mast (2) and the mirror supporting framework (4), and the adjustment of the primary mirror (6, 6') in relation to the sun by a mechanical coupling of the mirror is simplified by means of an electromotive connecting rod.

Description

technical field [0001] The invention relates to a Fresnel solar heat collector device. Background technique [0002] This arrangement refers to a linear concentrating system in which, depending on the position of the sun, a plurality of mirror strips arranged parallel to the receiver are guided and direct the sun's rays to fixed receiver tubes, A heat storage medium flows in the heat absorber tubes. Secondary reflectors associated with the absorber tubes additionally direct the light rays onto the focal line mainly formed by the absorber tubes. The heat absorber tube and the sub-reflector form a receiver arranged elevated above the mirror strip. Such Fresnel solar collectors are currently in the phase of field trial operation, for example in Australia. The heat generated is used as industrial heat or for conversion into electricity, for example by means of a Stirling motor. [0003] The advantage of Fresnel solar collectors compared to conventional parabolic collectors l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/16F24J2/38F24J2/54F24S23/70F24S23/77F24S50/20
CPCF24J2/541F24J2002/1076F24J2/38F24J2002/5468F24J2002/5482F24J2/16Y02E10/47F24J2/1047F24S23/80F24S50/20F24S30/425F24S2030/15F24S2030/136F24S23/77F24S2023/872
Inventor M·泽利希J·戈特利布M·默廷斯
Owner NOVATEC BIOSOL AG
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