Electrothermal energy storage system

An electrothermal energy storage and heat pump system technology, applied in the field of energy storage, can solve the problems of small impact on the ecological environment, small footprint, consumption of fossil fuels, etc., and achieve the effects of small impact on the ecological environment, small footprint, and impact mitigation.

Active Publication Date: 2016-12-14
XIAN THERMAL POWER RES INST CO LTD +1
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  • Abstract
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Problems solved by technology

Generally speaking, the development potential of pumped hydro storage in the future is limited by the lack of suitable locations and the greater impact on the ecological environment. There are many locations where compressed air energy storage can be built, but compressed air energy storage requires the consumption of fossil fuels
Although the adiabatic compressed air energy storag

Method used

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  • Electrothermal energy storage system
  • Electrothermal energy storage system

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Embodiment Construction

[0019] The present invention is described in further detail below in conjunction with accompanying drawing:

[0020] refer to figure 1 , the electrothermal energy storage system of the present invention includes a heat pump system, a heat storage and cold storage system, and a heat engine system; the heat pump system includes a motor 1, a compressor 2, a heat storage heat exchanger 3 and a cold storage heat exchanger 5; The heat storage and cooling system includes a low-temperature storage tank 8, a high-temperature storage tank 6, and a normal-temperature storage tank 7; the output shaft of the motor 1 is connected to the drive shaft of the compressor 2, and the working medium outlet of the compressor 2 is connected to the heat storage heat exchanger 3. The heat release side inlet is connected, the heat release side outlet of the heat storage heat exchanger 3 is connected with the heat absorption side inlet of the cold storage heat exchanger 5, and the heat absorption side ou...

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Abstract

The invention discloses an electrothermal energy storage system. The electrothermal energy storage system comprises a heat pump system, a heat-storage and cold-storage system and a heat engine system, wherein the heat pump system comprises a motor, a compressor, a heat-storage heat exchanger and a cold-storage heat exchanger; and the heat-storage and cold-storage system comprises a low-temperature storage tank, a high-temperature storage tank and a normal-temperature storage tank. By the system, electric power can be stored. Moreover, the electrothermal energy storage system is small in occupied space, does not depend on petrochemical fuels, and has little influence on an ecological environment.

Description

technical field [0001] The invention belongs to the field of energy storage and relates to an electrothermal energy storage system. Background technique [0002] my country's coal-based energy structure has supported the economic take-off since the reform and opening up. However, coal resources are non-renewable and will cause serious environmental pollution during the utilization process. Therefore, gradually increasing the proportion of renewable energy in my country's energy structure will be The general trend. In the past ten years, the installed capacity of renewable energy such as wind energy and solar energy in my country has increased rapidly. However, renewable energy such as wind energy and solar energy is random, intermittent, and unstable. The large-scale grid integration of wind power and photovoltaic power generation will have an impact on the stability and safe operation of the grid. The combination of renewable energy power and large-scale energy storage sys...

Claims

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Application Information

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IPC IPC(8): F01K25/08F01K25/10F25B30/02F28D20/00
CPCF01K25/08F01K25/103F25B30/02F28D20/0034Y02E60/14
Inventor 杨玉姚明宇陈渝楠张磊吴帅帅高炜
Owner XIAN THERMAL POWER RES INST CO LTD
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