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Secondary reflector substructure device for tower type photo-thermal power generation

A technology of photothermal power generation and secondary reflection, which is applied to solar thermal power generation, fixed bases/supports of solar collectors, solar thermal energy, etc. Flatness, low cost, good overall rigidity

Pending Publication Date: 2021-02-23
JIANGSU XINCHEN SOLAR THERMAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 1. Under the condition of temperature load, the reflector will expand with heat and contract with cold. Due to the material difference (the reflector material is generally aluminum mirror, the thermal expansion coefficient is higher than steel) and the temperature gradient distribution between the reflector and the main structure, if the reflector With a fixed connection with the main structure, the thermal expansion of the reflector will be restricted, and it is easy to produce ripples or wrinkles, which will greatly affect the surface shape

Method used

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  • Secondary reflector substructure device for tower type photo-thermal power generation
  • Secondary reflector substructure device for tower type photo-thermal power generation
  • Secondary reflector substructure device for tower type photo-thermal power generation

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Embodiment Construction

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, wherein the schematic embodiments and descriptions are only used to explain the present invention, but are not intended to limit the present invention.

[0029] Such as Figure 2-6 As shown, a secondary reflector substructure device for tower-type photothermal power generation includes a secondary structural steel component 1, a secondary reflector component 2, and a spring tension and limit connection component 3. The secondary reflector The mirror assembly 2 is provided with a secondary structural steel structure assembly 1 , and the secondary structural steel structure assembly 1 and the secondary reflection mirror assembly 2 are connected to the limit connection assembly 3 through spring tension.

[0030] Such as Figure 4 As shown, the secondary reflection mirror assembly 2 is a secondary mirror functional assembly, including an aluminum ...

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Abstract

The invention relates to a secondary reflector substructure device for tower-type photo-thermal power generation. The device comprises a substructure steel structure assembly (1), a secondary reflector assembly (2) and a spring tensioning and limiting connecting assembly (3), and the secondary reflector assembly (2) is provided with the substructure steel structure assembly (1). The secondary structure steel structure assembly (1) and the secondary reflector assembly (2) are connected through the spring tensioning and limiting connecting assembly (3). A secondary reflector can realize free mirror surface extension under a high-temperature working condition and high rigidity under a strong wind working condition. In addition, the processing, manufacturing, assembling and construction efficiencies are improved, the process difficulty is reduced, and the effects of improving the surface precision of a secondary reflector substructure and reducing the cost are achieved.

Description

【Technical field】 [0001] The invention relates to a tower-type photothermal power generation secondary reflection mirror substructure device, which belongs to the technical field of photothermal power generation. 【Background technique】 [0002] The concentrating system of the secondary reflection tower solar thermal power station is mainly composed of two parts: the heliostat field and the secondary reflection tower. The secondary reflector at the top of the tower converges into the heat absorber at the bottom of the tower. The secondary reflection technology can effectively reduce the heat loss of the tower top heat absorber, improve the photothermal efficiency, solve the problem of freezing and leakage of the molten salt pipeline, and improve the safety of the power station. Therefore, the secondary reflection technology has a good application prospect. [0003] The ideal surface type of the secondary reflection surface is a rotating hyperboloid, the point of the primary ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24S20/20F24S23/70F24S25/33
CPCF24S23/70F24S20/20F24S25/33F24S2020/23F24S2023/87Y02E10/47
Inventor 游思梁周俊兵万灵
Owner JIANGSU XINCHEN SOLAR THERMAL TECH CO LTD
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