Solar heat storage system based on solid particles

A heat storage system and solid particle technology, applied in the field of solar energy development, can solve the problems of high cost and low thermal efficiency, achieve the effect of meeting the temperature of heat source, increasing heat exchange efficiency, and broad development prospects

Pending Publication Date: 2019-04-26
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

[0009] The purpose of the embodiment of the present invention is to provide a solar heat storage system based on solid particles to solve the problems of low thermal efficiency and high cost in existing tower photothermal devices

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  • Solar heat storage system based on solid particles

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Embodiment Construction

[0031] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0032] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

[0033] refer to figure...

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Abstract

The invention provides a solar heat storage system based on solid particles. The solar heat storage system comprises a suction tower assembly, a high-temperature particle stock bin, a fluidized bed heat exchange device and a low-temperature particle stock bin which are sequentially connected end to end to form a heat storage loop. According to the solar heat storage system, heat of solar beams areabsorbed through the solid particles and stored in the high-temperature particle stock bin and conducts heat exchange with a working medium through the fluidized bed heat exchange device, the workingmedium is heated to the high-temperature high-pressure state, and efficient heat storage and utilization of solar energy can be achieved.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of solar energy development, and more specifically, relate to a solar heat storage system based on solid particles. Background technique [0002] With the amount of solar radiation received by the earth per hour exceeding the energy consumed by humans every year, 90% of the global energy budget is generated directly or indirectly by sunlight. Therefore, as the global basic energy supply, solar energy has incomparable advantages over other renewable energy sources and fossil energy sources. Therefore, it is imperative to develop new, efficient and large-scale solar energy utilization technologies. Concentrated solar power generation technology and heat transfer technology are important development directions for the large-scale utilization of solar energy in the future. With the help of concentrating devices, the heat of solar energy can be collected and transferred through heat carrier...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24S60/00F28D13/00F28D20/00
CPCF28D13/00F28D20/0056Y02E60/14Y02E70/30
Inventor 安保林郭璐娜王俊杰
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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