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Solar tube panel with dual-exposure heat absorption

A tube screen, dual technology, applied in the field of solar power generation, can solve the problems of fatigue failure, molten salt corrosion, etc.

Inactive Publication Date: 2014-07-23
THE BABCOCK & WILCOX CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] As the tubes are heated and cooled daily during startup, shutdown and cloud passage, such compressive stress is cyclic and will eventually lead to fatigue failure
For receivers using molten salt as the heat transfer fluid, impurities in the molten salt can also cause corrosion, which is more severe where compressive stress is present

Method used

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  • Solar tube panel with dual-exposure heat absorption
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  • Solar tube panel with dual-exposure heat absorption

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Embodiment Construction

[0043] A more complete understanding of the processes and devices disclosed herein can be obtained by referring to the accompanying drawings. These drawings are only schematic views based on the convenience and ease of explaining the prior art and / or the development in this field, and thus are not intended to specify relative sizes and dimensions of components or parts thereof.

[0044] Although specific terms are used in the following description for the sake of clarity, these terms are only intended to indicate the specific structures of the embodiments selected for illustration in the drawings, and are not intended to define or limit the scope of the present invention. In the drawings and the following detailed description, it should be understood that the same reference numerals are used to denote parts having the same function.

[0045] The modifier "about" used in conjunction with a quantity is inclusive of the stated value, and has the meaning dictated by the context (e...

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Abstract

A dual-exposure heat absorption panel is disclosed, which can be used in a solar receiver design. Generally, the heat absorption panel includes a tube panel through which a heat transfer fluid is flowed to absorb solar energy from heliostats that are focused on the tube panel. A structural support frame surrounds the tube panel. A stiffener structure runs across the exposed faces of the tube panel. The headers and other support structures on the periphery are protected by use of a heat shield. Different tube couplings are possible with this structure, as well as different stiffening structures at the headers. The heat shield can be shaped to create an open space, permitting focusing of sunlight on the edge tubes as well. A curtain can be used as an additional heat shield in certain scenarios.

Description

[0001] Cross References to Related Documents [0002] This application claims priority to US Provisional Application No. 61 / 560,527, filed November 16, 2011. The entire content of this application is hereby incorporated by reference. technical field [0003] The present invention relates generally to the field of solar power generation for generating electrical energy. More specifically, the present invention relates to double exposed or two-sided heat absorbing panels and solar receivers having one or more of said panels. These solar receiver designs can be used in concentrated solar tower technology (also known as concentrated solar power, CSP) to harness the sun's energy to generate "green" electricity. Background technique [0004] The solar receiver is the main part of the solar power generation system, through the solar receiver, the sunlight is used as a heat source to finally generate superheated high-quality steam, which in turn is used to drive a turbo generator,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/24F24S10/70F24S20/20
CPCY02E10/44F28F11/00F24S2080/09F24S40/52F24S80/30F24S20/20F24S10/70Y02E10/40
Inventor D·L·克拉夫特D·T·瓦西卢克J·A·珀尔辛格J·M·马歇尔
Owner THE BABCOCK & WILCOX CO
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