A field of heliostats in a tower solar thermal power station

A tower solar and heliostat technology, applied in the field of solar power generation, can solve the problems of increased investment, increased floor space, and low density of heliostats, etc.

Active Publication Date: 2020-05-29
POWERCHINA HEBEI ELECTRIC POWER SURVEY & DESIGN INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing mirror field layout adopts the phyllotaxy arrangement method and the radiation network method, and it is necessary to ensure that each heliostat has enough space. When the number of heliostats is small, there are certain limitations; the radiation network method is based on the radial staggered arrangement, which effectively reduces the shadow and occlusion loss in the mirror field, but the density of the heliostats is small, resulting in the occupation of land Increased area, increased investment

Method used

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  • A field of heliostats in a tower solar thermal power station
  • A field of heliostats in a tower solar thermal power station
  • A field of heliostats in a tower solar thermal power station

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Embodiment Construction

[0034] Below in conjunction with embodiment the present invention is described in further detail:

[0035] A tower type solar thermal power station heliostat field, such as figure 1 , 2 As shown, it includes the dense arrangement area and the staggered arrangement area where the heliostats are arranged in a ring from the inside to the outside with the receiving tower as the center (where figure 1 In order to express the densely arranged area and the staggered arranged area in words, some heliostats are omitted in the drawing area), the heliostats of the same ring and the adjacent ring in the densely arranged area are closely arranged, and the two adjacent rings of the staggered arranged area The heliostats are arranged in a staggered manner. Wherein the heliostat is installed through a base, and the receiving tower includes an installation tower 1 and a heat absorber 2 arranged on the top of the installation tower. The initial ring radius of the densely arranged area is R ...

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Abstract

The invention discloses a heliostat field of a tower type solar thermal power station, and belongs to the field of solar power generation. The heliostat field of the tower type solar thermal power station comprises a dense arrangement area and a staggered arrangement area, wherein the dense arrangement area and the staggered arrangement area are annularly arranged from inside to outside by takingheliostats as a circle center, concentric rings of the dense arrangement area and the heliostats of the adjacent rings are tightly arranged, and the heliostats of the two adjacent rings in the staggered arrangement area are arranged in a staggered mode. According to the heliostat field, the condensation efficiency of the heliostat field is effectively improved, the number of the heliostats can bereduced under a same mirror field lighting area, and an occupied area of the power station can be reduced, so that the effect of reducing initial investment is achieved,

Description

technical field [0001] The invention relates to the field of solar power generation, in particular to a heliostat field of a power station. Background technique [0002] The tower solar thermal power generation system is one of the important forms of solar power generation. The tower solar thermal power generation system generally includes a heliostat field composed of an absorption tower and a heliostat. The absorption tower includes an installation tower, and a heat absorber is installed on the top of the installation tower. , the heliostat is installed on the base, and the field cost of the heliostat accounts for 40% to 50% of the total investment cost or even more. The layout optimization design of the heliostat field is very important. The optimization of the heliostat field for the tower power station includes the optimization of design parameters and the optimization of layout form. Most of the existing mirror field layout adopts the phyllotaxy arrangement method and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24S23/70
CPCY02E10/40
Inventor 徐培培蔡小刚董舟郑立国刘健曹腾龙赵奕萌武洋
Owner POWERCHINA HEBEI ELECTRIC POWER SURVEY & DESIGN INST CO LTD
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