Inorganic salt phase-change electric heat storage and supply device
A heating device and electric heat storage technology, applied in heat storage equipment, household heating, heating systems, etc., can solve problems such as poor thermal performance, achieve faster heat transfer efficiency, reduce overall volume, and strengthen heat transfer Effect
Active Publication Date: 2021-08-13
GLOBAL ENERGY INTERCONNECTION RES INST EURO GMBH +3
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Problems solved by technology
[0005]
Therefore, the technical problem to be solved by the present invention is to overcome the defects of poor thermal performance of high-temperature physical heat storage equipment in the prior art, thereby providing an inorganic salt phase change electric heat storage heat supply device
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[0041] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0042] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...
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The invention relates to the technical field of energy storage equipment, in particular to an inorganic salt phase-change electric heat storage and supply device. The inorganic salt phase-change electric heat storage and supply device comprises a shell, a heat storage assembly and a ventilation assembly, wherein a supporting assembly is installed at the bottom of the interior of the shell; the heat storage assembly is arranged in the shell, is arranged on the upper side of the supporting assembly, and comprises heating units and heat storage units which are alternately arranged in the height direction, each heat storage unit comprises a plurality of heat storage modules arranged in an array mode, containing cavities are formed in the heat storage modules and used for containing inorganic salt phase-change materials, and a ventilation flow channel is reserved between every two adjacent heat storage modules; and the ventilation assembly is arranged on one side of the shell, and an air inlet and an air outlet are formed in the ventilation assembly. When at low electricity demand, electric energy is converted into heat energy and stored, when heat is needed, heat in the heat storage modules is taken out to achieve peak clipping and valley filling of electric power, and sufficient and reasonable utilization of resources and stable operation of a power grid are guaranteed. Through the structural design of the heat storage assembly and the ventilation assembly, high heat storage density and high charging and discharging heat efficiency can be achieved.
Description
technical field [0001] The invention relates to the technical field of energy storage equipment, in particular to an inorganic salt phase change electric heat storage and heat supply device. Background technique [0002] Electrothermal storage technology is a technology that converts electric energy into heat energy and stores it for utilization. It is an important means to solve the mismatch of time and space between the supply and demand of electric energy, realize the load shifting of the power grid, and improve the stability of the power system. From the perspective of energy storage costs, the cost of heat storage is much lower than that of electricity storage. Therefore, for electric energy whose ultimate path is heat utilization, energy storage through heat storage is a more economical way. The higher the heat storage temperature, the higher the grade of the stored heat energy and the higher its use value. Therefore, high-temperature heat storage technology is the foc...
Claims
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IPC IPC(8): F24D11/00F24D19/00F24D19/02F28F1/24F28D20/02
CPCF24D11/002F24D19/00F24D19/02F28F1/24F28D20/021Y02E60/14
Inventor 谢鹏金露谯耕徐桂芝晋涛黄纯德
Owner GLOBAL ENERGY INTERCONNECTION RES INST EURO GMBH
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