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Particle heat absorber and solar power generation system

A heat absorber and particle technology, which is applied in the field of particle heat absorbers and solar power generation systems, can solve problems such as low heat absorption efficiency, and achieve the effects of improving heat absorption efficiency, prolonging residence time, and strengthening convection heat transfer.

Active Publication Date: 2021-10-26
浙江高晟光热发电技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a particle heat absorber to solve the problem of low heat absorption efficiency of the existing particle heat absorber

Method used

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  • Particle heat absorber and solar power generation system
  • Particle heat absorber and solar power generation system
  • Particle heat absorber and solar power generation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] see figure 1 , In one embodiment, a particle heat absorber includes a heat absorber body and a gas supply part. Wherein, at least one heat absorption pipe is arranged in the heat absorber body. The output end of the gas supply part communicates with the bottom of the heat absorbing pipe, and is used for providing gas circulating from bottom to top into the heat absorbing pipe.

[0037] In this embodiment, a gas supply part is provided at the outlet of the heat-absorbing pipe, and the gas supply part provides a bottom-up airflow into the heat-absorbing pipe, and the airflow and the particles form a reverse flow, which can reduce the falling speed of the particles, so that The residence time of the particles in the heat absorbing pipe is prolonged, the heat exchange time is prolonged, the heat absorption efficiency of the particles is improved, and the problem of low heat absorption efficiency of the existing particle heat absorbers is solved.

[0038] At the same time,...

Embodiment 2

[0051] A solar power generation system, comprising the particle heat absorber in the first embodiment above. By communicating with the gas supply part at the outlet of the heat absorber body or the outlet of the heat absorption pipe in the heat absorber body, the gas supply part provides a bottom-up airflow to the particle heat exchange channel, and the airflow and the particles form a reverse direction. The flow can reduce the falling speed of the particles, prolong the residence time of the particles in the heat exchange channel of the particles, prolong the heat exchange time, improve the heat absorption efficiency of the particles, and solve the problem of low heat absorption efficiency of the existing particle heat absorbers. question.

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Abstract

The invention discloses a particle heat absorber and a solar power generation system. A gas supply part communicates with a heat absorption pipe, the gas supply part provides gas flow from bottom to top into the heat absorption pipe, the gas flow and particles form reverse flow, and therefore, the effect of reducing the falling speed of the particles can be achieved, the residence time of the particles in the heat absorption pipe is prolonged, the heat exchange time is prolonged, the heat absorption efficiency of particles is improved, and the problem that an existing particle heat absorber is low in heat absorption efficiency is solved.

Description

technical field [0001] The invention belongs to the technical field of solar thermal power generation, and in particular relates to a particle heat absorber and a solar power generation system. Background technique [0002] Solar energy is a green, sustainable and clean energy, so it may become an ideal energy source in the future. Solar thermal power generation is equipped with large-scale and cheap energy storage technology, so the power output is smooth, stable and dispatchable, and has broad application prospects. [0003] Solid particle heat absorption and storage technology is a new type of solar heat absorption and storage technology, and it is one of the mainstream technologies in the research of third-generation tower-type photothermal power generation. Its main advantages are as follows: solid particles can simultaneously meet the requirements of heat absorption, heat transfer and heat storage. Demand; the cost of particles is low; the heat absorption temperature ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G6/06F24S60/00
CPCF03G6/065F24S60/00Y02E10/46
Inventor 刘琦章晓敏宓霄凌其他发明人请求不公开姓名
Owner 浙江高晟光热发电技术研究院有限公司
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