Design method and design device of compressed air energy storage heat storage system
A technology of compressed air energy storage and thermal storage system, which can be applied in the field of energy storage and can solve problems such as difficult design.
Active Publication Date: 2021-03-19
ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER +4
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[0005] The embodiment of the present invention provides a design method of a compressed air energy storage heat storage system to solve the defect that the design of the compressed air energy storage heat storage system is difficult in the prior art
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[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0038] first reference Figure 1-Figure 2 The design method of the compressed air energy storage heat storage system according to the embodiment of the present invention is described.
[0039] Such as figure 1 As shown, the shared access type compressed air energy storage and heat storage system of the embodiment of the present invention include...
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The invention provides a design method and a design device of a compressed air energy storage and heat storage system. The design method of the compressed air energy storage and heat storage system comprises the following steps: determining the number N of sub-heat accumulators contained in each heat accumulator based on working parameters of an expander, physical parameters of a heat exchange medium and the size of a first heat exchange cavity; determining the thickness delta middle of the heat storage cavity based on the temperature difference between an outlet of a front-stage expander andan inlet of a rear-stage expander in two adjacent stages of expanders, the physical parameters of the heat exchange medium, the physical parameters of the heat storage medium, the working time of theheat accumulator, the number N of the sub-heat accumulators, the outer diameter of a first pipe and the length of the sub-heat accumulators; and determining the outer diameter of a second pipe and theouter diameter of a second heat exchange cavity based on the size of the first heat exchange cavity and the thickness delta middle of the heat storage cavity. According to the design method of the compressed air energy storage and heat storage system, a modular design scheme is provided, the structure of the heat accumulator can be conveniently designed, so that that the expander is in an efficient working temperature area in the energy release stage.
Description
technical field [0001] The invention relates to the technical field of energy storage, in particular to a design method, design device, electronic equipment and storage medium of a compressed air energy storage heat storage system. Background technique [0002] At present, my country's clean energy power generation sources are developing rapidly, and new clean and renewable energy represented by hydropower, photovoltaics, and wind power has become the primary choice for my country's construction of clean energy power stations. Due to complex power supply structure, grid structure, electricity price composition and historical factors, prominent contradictions such as distortion of power resource allocation have been caused, and limited by conventional power supply characteristics and grid structure, the problem of new energy consumption is prominent. Large-scale power storage technology can effectively solve the instability of renewable energy, adjust the peak and valley of t...
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IPC IPC(8): F28D20/00F28D7/10F28F27/02
CPCF28D7/103F28D20/0034F28D2020/0047F28F27/02Y02E60/14
Inventor 谢毓广梅生伟薛小代刘当武高博陈来军郑天文陈锋李伟陈凡王小明计长安林其友
Owner ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER