Waste heat reheating based compressed air energy-storage power-generation system

A compressed air energy storage and power generation system technology, which is applied in the direction of gas turbine devices, machines/engines, mechanical equipment, etc., can solve the problems of large environmental impact, high geological conditions, high cost, etc., to save electricity costs, improve power generation efficiency, major The effect of practical value

Inactive Publication Date: 2014-02-05
张茂勇
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Problems solved by technology

[0006] Pumped storage power station is a clean and effective technical method for storing electricity, but it has high requirem

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  • Waste heat reheating based compressed air energy-storage power-generation system

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Embodiment Construction

[0025] The compressed air energy storage power generation system based on waste heat reheating proposed by the present invention will be described in detail in conjunction with the drawings and embodiments.

[0026] Specific examples of the present invention are as follows. A compressed air energy storage power generation system based on waste heat reheating, including a compressor, an air energy storage cabinet, an air turbine, a generator, and a grid-connected system, and is characterized in that it also includes a set of waste heat phase change accumulators and A residual energy storage power generation device that supplements heat for the intake air of an air turbine, in which the suction port A of the compressor 2 is connected to the ambient air, and the exhaust port passes through the high-temperature air side of the phase change accumulator 3 and the air energy storage cabinet 4 is connected to the air inlet I, the air supply port O of the air energy storage cabinet 4 i...

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Abstract

The invention relates to a waste heat reheating based compressed air energy-storage power-generation system. The waste heat reheating based compressed air energy-storage power-generation system comprises a compressor, an air energy-storage cabinet, a power generator and a grid connected system, and also comprises a complementary energy storage power-generation device provided with a waste heat phase change accumulator and used for heating inlet air of an air turbine, high-temperature and high-pressure air at an outlet of the compressor is cooled to an appropriate temperature, the cooled air is sent to the air energy-storage cabinet, a working medium in the waste heat phase change accumulator changes to a liquid from a solid, and the phase change accumulator heats high-pressure air entering the air turbine through a waste heat transfer loop during power generation to improve the enthalpy and the capability for work in order to improve the energy-storage power generation capacity. The waste heat reheating based compressed air energy-storage power-generation system can be integrated to an integrated electric-mode electricity storage module apparatus, can realize the standardized production of a plurality of capacity grades, and can be widely used in high-electricity-consumption industrial and commercial enterprises to realize the saving of the electric charge, the use as a standby power supply and the movement of the electricity from the peak to the valley.

Description

technical field [0001] The invention belongs to the technical field of industrial energy saving and energy storage power generation, in particular to a compressed air energy storage power generation system based on waste heat reheating. Background technique [0002] Industrial and commercial enterprises often need to consume a large amount of electricity to drive production equipment and supporting power equipment required to maintain production. The power consumption capacity ranges from a few thousand kW to tens of thousands or even more than a hundred thousand kW. Large power consumption means high energy consumption costs and reduced product profit margins for enterprises; for public power grids, it means that more power consumption capacity and power transmission and distribution equipment must be provided for them, and the difference between peak and valley loads of power grids is greater. The larger and larger, leading to more and more reliance on large-scale thermal ...

Claims

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Application Information

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IPC IPC(8): F02C6/16F02C6/18
CPCY02E60/15Y02E60/16
Inventor 张茂勇
Owner 张茂勇
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