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Expansion system in heat-transfer-medium circuit of solar-thermal power plant

A technology of expansion system and heat transfer medium, applied in the field of expansion system, can solve the problems of high investment cost, consumption of electric energy and high energy consumption, and achieve the effect of reducing maintenance and repair operations, reducing construction expenditure, and reducing internal consumption

Inactive Publication Date: 2013-01-23
弗拉格赛欧股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The disadvantage of the prior art is the high investment costs, which are associated with the fact that the immersion tank and the expansion tank have to be arranged at different heights above ground level, so that the heat exchange system has to be constructed at different heights In at least two layers of the , where the expansion system is an integral part of the heat exchange system
[0006] In addition, valves and pumps must be supplied in pairs
This also results in a relatively high internal energy consumption of the power plant, as pumps with redundant features consume electricity
Finally, the (increased) risk of failure and the corresponding maintenance and repair expenditures are also associated with the presence of pumps and valves

Method used

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  • Expansion system in heat-transfer-medium circuit of solar-thermal power plant

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Embodiment Construction

[0021] The invention is schematically described in more detail below with reference to the accompanying drawings. The figure schematically shows a heat transfer medium circuit 1 of a solar thermal power plant, which circuit is schematically represented and characterized by lines 2 arranged in a circulating manner. The solar field 3 is formed in a heat transfer medium circuit 1 equipped with a parabolic trough collector, wherein the heat transfer medium 6 moved in the heat transfer medium circuit 1 by means of a pump 5 or pumps in the flow direction 4 absorbs the Specular reflection of solar radiation in the form of heat by the parabolic trough collector. The heated heat transfer medium 6 transfers heat to the water / steam circuit 8 of the solar thermal power plant in a heat transfer section 7 with a plurality of heat exchangers. Downstream of the heat transfer section 7 and upstream of the pump 5 , a cross-sectional widening 10 is then formed in the tube 9 of the heat transfer...

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Abstract

In the case of an expansion system (11) in the heat-transfer-medium circuit (1) of a solar-thermal power plant, comprising a plurality of expansion tanks (12a, 12b, 12c) and / or flooding tanks arranged in the heat-transfer-medium circuit (1), the intention is to provide a solution which makes it possible to create an expansion system which is simplified in technical terms and is of less complex design. This is achieved in that the expansion system (11) comprises a plurality of expansion tanks (12a, 12b, 12c) which are arranged substantially at the same height level and are in fluid-channelling connection with one another.

Description

technical field [0001] The invention relates to an expansion system of a heat transfer medium circuit of a solar thermal power plant, comprising a plurality of expansion tanks and / or immersion tanks arranged in the heat transfer medium circuit. [0002] Furthermore, the invention relates to a solar thermal power plant with a solar field formed by parabolic trough collectors. Background technique [0003] A solar thermal power plant has a heat transfer medium circuit and a water / steam cycle in functional communication with it. A heat transfer medium or heat exchange medium circulates in a heat transfer medium circuit, wherein, in an absorber tube arranged on the focal line of a parabolic trough mirror, the medium is guided through a solar field where it is illuminated by the Sunlight on and reflected by the parabolic trough mirror heats up. The sun collects heat on the absorber tubes in the parabolic trough collectors with parabolic trough mirrors of the solar thermal power...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/46
CPCY02E10/46F24J2/4636F24S40/80
Inventor 弗莱尔德·格拉特弗朗西斯科·拉波塔沃夫哈特·比克梅尔克里斯蒂安·莫比乌斯
Owner 弗拉格赛欧股份有限公司
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