Energy storage and heat exchange device

Abstract

The invention discloses an energy storage and heat exchange device which comprises a tank body, an energy storage medium positioned in the tank body, a plurality of heaters, a plurality of heat exchange pipes, a heating input main, a heating output main, a heat exchange input main and a heat exchange output main, wherein the heaters are connected in parallel; the heat exchange pipes are connected in parallel; and the energy storage medium is positioned around the heaters and the heat exchange pipes, so that the energy storage medium can be directly heated by the heaters, heat exchange between heat energy stored by the energy storage medium and a heat exchange medium in the heat exchange pipes can be performed, and heat can be outputted through the heat exchange medium. The energy storage and heat exchange device provided by the invention is simple in structure, and scientific and reasonable in design; energy storage and heat exchange are performed in one tank body; the occupied area is small, the heat exchange efficiency is high, the heat loss is low, and a uniform heating effect is achieved; the heat transfer and heat accumulation properties of a heat storage medium are sufficiently utilized; and accordingly, the energy storage and heat exchange device can be widely applied to the field of heat energy storage.

Description

technical field [0001] The invention relates to the technical field of heat storage, in particular to an energy storage heat exchange device. Background technique [0002] Electric energy storage technology is the key technical equipment for vigorously developing renewable energy in the future, realizing the safe and stable operation of distributed power generation and micro-grid, and it is also an important technical measure for implementing the country's adjustment of energy structure, energy conservation and emission reduction, and sustainable development. [0003] Electrothermal energy storage technology or electric energy heat storage technology is an important branch of energy storage technology. Its basic principle is to convert electric energy into heat energy, store the energy in the form of heat energy, and release the heat energy when needed. At present, it is mainly used in heating, a small amount of application, and industrial heat sources in the form of heat so...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems existing in the prior art, the present invention provides an energy storage and heat exchange device, the purpose of which is to solve the problem that the previous electrothermal energy storage device can only provide heat energy as a heat source. Due to the restriction of the application mode, its application surface and scope of use are limited. Narrow problem provides a new method for the application of electric energy storage technology and low-cost storage of electric energy

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