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A trough solar concentrator based on variable cross-section beams

A trough solar, variable-section beam technology, applied in solar collectors, solar collector controllers, solar thermal energy, etc., can solve the problem of high investment costs, achieve low cost, improve light concentration accuracy, structure simple effect

Inactive Publication Date: 2017-03-01
NANJING TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although trough solar thermal power generation systems are widely used, their investment costs are still high

Method used

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  • A trough solar concentrator based on variable cross-section beams
  • A trough solar concentrator based on variable cross-section beams
  • A trough solar concentrator based on variable cross-section beams

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] Such as Figure 1-6 Shown: a trough solar concentrator based on variable cross-section beams, including a reflective mirror 8 mounted on a mirror support carrier 7 welded by section steel, the surface of the reflective mirror 8 is a parabolic type, and the reflective mirror 8 The surface shape of the mirror surface support carrier 7 is consistent with that of the mirror surface support carrier 7 to ensure the installation accuracy of the reflection mirror surface 8; the steel cantilever beam 2 is welded to it under the mirror surface support body 7, and the cantilever beam 2 is symmetrically installed on the two sides of the rectangular space truss 1. On the side, the rectangular space truss 1 and the cantilever beam 2 are respectively welded by section steels of different cross-sectional sizes, and the beam cross-section size of the rectangular ...

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PUM

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Abstract

The invention discloses a trough solar condenser based on beams with variable cross sections. The trough solar condenser comprises a rectangular space truss (1), cantilever beams (2) and a reflector set (8). The two end faces of the rectangular space truss (1) with the structure of the beams with the variable cross sections are fixedly connected with semicircular connection frames (3) through bolts. The semicircular connection frames (3) are movably arranged on supporting bodies (4) and can rotate relative to the supporting bodies (4) below the semicircular connection frames (3). The semicircular connection fames (3) are fixedly connected with pin wheels (10) through end plates (9). The pin wheels (10) and the semicircular connection frames (3) are concentrically arranged. External gears (11) meshed and connected with the pin wheels (10) are arranged outside the pin wheels (10). When external motors drive the outer gears (11) to rotate, the pin wheels (10) rotate around the circle centers of the pin wheels (10) and then drive the semicircular connection frames (3) to rotate so that the condenser can track the sun. The trough solar condenser is easy to install and debug, the condensation efficiency is high, the system cost is low, and the trough solar condenser is suitable for application and popularization.

Description

technical field [0001] The invention relates to a trough-type solar thermal power generation system, in particular to a trough-type solar concentrator based on a variable-section beam that reduces the weight of the concentrator and reduces the investment cost under the premise of ensuring the bending moment stiffness and torsional stiffness of the trough-type solar concentrator. Solar concentrator. Background technique [0002] The trough solar concentrator is an important part of the trough solar thermal power generation system, which consists of a parabolic mirror, a bracket structure, and a driving device. Multiple concentrator units are assembled in series or parallel to realize large-scale solar energy utilization. In a trough solar thermal power generation system, the concentrator accounts for about 30% of the total system cost. One of the effective ways to reduce the cost of the concentrator is to reduce the amount of steel used in the structure. However, reducing t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/12F24J2/38H02S10/00F24S23/71F24S50/20
CPCY02E10/47Y02E10/50
Inventor 杨谋存章玲伏炜张亮
Owner NANJING TECH UNIV
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