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Energy storage device and peak load regulation method for peak load regulation in power plant

A technology of energy storage device and peak regulation, which is applied in the steam generation method, steam generation method, damage protection and other directions using heat carrier, can solve the problems of low energy utilization rate of molten salt energy storage, and achieves low energy utilization rate, The effect of improving energy efficiency

Inactive Publication Date: 2019-03-29
SHENZHEN ENESOON ENERGY STORAGE TECH INNOVATION CO LTD
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide an energy storage device and a peak-shaving method for power plant peak regulation, so as to solve the problem of low energy utilization rate of existing molten salt energy storage

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  • Energy storage device and peak load regulation method for peak load regulation in power plant

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Embodiment Construction

[0021] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0022] Such as figure 1 As shown in , it is a structural schematic diagram of an energy storage device for power plant peak regulation provided by the present invention. The energy storage device for power plant peak regulation includes a first closed-loop system and a second closed-loop system, the first closed-loop system is provided with a circulating phase change material, and the route through which the phase change material flows is figure 1 The route shown by the dotted line in the middle; there is circulating water vapor or condensed water in the second closed-loop system, and the route through which the water vapor or condensed water flows is figure 1 The route indicated by the solid line.

[0023] Specifically, the first closed-loop system sequentially includes a first energy storage tan...

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Abstract

The invention belongs to the technical field of energy storage and utilization, and discloses an energy storage device and a peak load regulation method for peak load regulation in a power plant. Theenergy storage device for peak load regulation in the power plant comprises a heat exchanger, a first energy storage tank and a second energy storage tank, wherein the first energy storage tank and the second energy storage tank are correspondingly connected to two sides of the heat exchanger; the first energy storage tank, the heat exchanger and the second energy storage tank are connected sequentially to form a first closed-loop system; a phase-change material which flows in a circulating manner is arranged in the first closed-loop system; the temperature of the phase-change material is lowered sequentially in the direction of flowing through the first energy storage tank, the heat exchanger and the second energy storage tank; and when the phase-change material flows through the heat exchanger, the phase-change heat release is achieved, and the liquid state is changed to the solid state. According to the energy storage device disclosed by the invention, the phase-change material is utilized for the phase-change heat release when passing through the heat exchanger, so that a lot of heat can be absorbed by the heat exchanger, the energy utilization ratio of the energy storage device can be greatly improved, and then the problem about the low energy utilization ratio of the conventional molten salt energy storage process can be solved.

Description

technical field [0001] The invention relates to the technical field of energy storage utilization, in particular to an energy storage device and a peak-shaving method for power plant peak regulation. Background technique [0002] Conventional valley electric molten salt energy storage uses the sensible heat section of molten salt material, and the energy utilization is small, resulting in high temperature and large volume of low temperature tank. Therefore, there is an urgent need to provide a new type of energy storage device and peak-shaving method for power plant peak regulation to solve the above problems. Contents of the invention [0003] The object of the present invention is to provide an energy storage device and a peak-shaving method for power plant peak regulation, so as to solve the problem of low energy utilization rate of existing molten salt energy storage. [0004] For reaching this purpose, the present invention adopts following technical scheme: [0005...

Claims

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Application Information

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IPC IPC(8): F22B1/02F22B1/28F22G1/00F28D20/02F28F23/00F28F19/00
CPCF22B1/028F22B1/28F22G1/00F28D20/02F28F19/002F28F23/00Y02E60/14
Inventor 曾智勇曾帆
Owner SHENZHEN ENESOON ENERGY STORAGE TECH INNOVATION CO LTD
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