Alternating particle heat absorber and solar power generation system

An alternating heat absorber technology, applied in solar thermal power generation, solar heating systems, solar heat storage, etc., can solve the problems of low heat absorption efficiency of particle heat absorbers, achieve stable temperature, less heat loss, and avoid direct The effect of contact

Pending Publication Date: 2021-07-13
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

[0006] The technical problem to be solved by the present invention is to provide an alternate particle heat absorber and a solar power generation system to solve the problem of low heat absorption efficiency of the existing particle heat absorber

Method used

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  • Alternating particle heat absorber and solar power generation system
  • Alternating particle heat absorber and solar power generation system
  • Alternating particle heat absorber and solar power generation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] see figure 1 , In one embodiment, an alternating particle heat absorber includes a heat absorption area, a heat exchange area, a first heat absorption portion 1 , a second heat absorption portion 4 , and a power unit 16 .

[0047] Wherein, a shell 21 is arranged outside the heat exchange area, and the particles are in heat transfer contact with the first heat absorbing part 1 and the second heat absorbing part 4 in the heat exchange area; the heat absorbing area is arranged above the heat exchange area, with for receiving solar energy from the mirror field. The output ends of the power unit 16 are respectively connected to the first heat absorbing part 1 and the second heat absorbing part 4, and the first heat absorbing part 1 is sleeved on the outside of the second heat absorbing part 4 for respectively driving the first heat absorbing part The first heat absorbing part 1 and the second heat absorbing part 4 alternately go back and forth between the heat absorbing are...

Embodiment 2

[0061] A solar power generation system, including the alternating particle heat absorber in the first embodiment above. By setting the power device 16, the power device 16 drives the first heat absorbing part 1 and the second heat absorbing part 4 to alternately go back and forth between the heat absorbing area that receives solar energy and the heat exchange area in the housing 21, and the particles in the heat exchange area It exchanges heat with the first heat absorbing part 1 or the second heat absorbing part 4 inside. The traditional cavity particle heat absorber is split into two heat absorbing parts alternately absorbing heat and the two heat absorbing parts alternately exchange heat with particles. The two heat absorbing parts absorb heat alternately, and the heat exchange process with the particles is in the shell 21, which avoids direct contact between the particles and the external environment, and reduces heat loss, which can greatly improve the heat absorption eff...

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PUM

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Abstract

The invention discloses an alternate particle heat absorber and a solar power generation system. A power device is arranged and drives a first heat absorption part and a second heat absorption part to alternately move back and forth between a heat absorption area for receiving solar energy and a heat exchange area in a shell, and particles exchange heat with the first heat absorption part or the second heat absorption part in the heat exchange area. A traditional cavity type particle heat absorber is divided into the process that two heat absorption parts alternately absorb heat and the process that the two heat absorption parts alternately exchange heat with the particles. The two heat absorption parts alternately absorb the heat and the heat exchange process of the particles is located in the shell, so that direct contact between the particles and the external environment is avoided, heat loss is small, and the heat absorption efficiency of the particles in the heat absorption process can be improved.

Description

technical field [0001] The invention belongs to the technical field of solar thermal power generation, and in particular relates to an alternating 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 main 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 absor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24S10/95F24S70/60F24S60/00F24S20/20
CPCF24S10/95F24S20/20F24S60/00F24S70/60F24S2070/62Y02E10/44
Inventor 周宇章晓敏宓霄凌
Owner 浙江高晟光热发电技术研究院有限公司
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