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A liquid compressed air energy storage peak regulation system and method coupled with a heating system

A compressed air energy storage and heating system technology, which is applied in heating systems, cogeneration systems, hot water central heating systems, etc., can solve the problems of low energy storage efficiency and high operating costs, so as to reduce energy consumption and improve Operating efficiency, the effect of improving operating efficiency

Active Publication Date: 2022-08-02
XIAN THERMAL POWER RES INST CO LTD +1
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Problems solved by technology

However, the overall energy storage efficiency of the conventional liquid compressed air energy storage system is low and the operating cost is high

Method used

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  • A liquid compressed air energy storage peak regulation system and method coupled with a heating system

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Embodiment Construction

[0023] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

[0024] Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary ski...

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Abstract

The invention discloses a liquid compressed air energy storage peak regulation system and method coupled with a heating system, and the air compression heat of the liquid compressed air energy storage system is recovered through the heating system. During the heating season, the air compression heat is used to preliminarily heat the circulating water of the heating network to reduce the heating and extraction flow of the unit; in the non-heating season, the condensed water is used to recycle the air compression heat, thereby reducing the energy consumption of the unit. Through the coupling of the heating system of the coal-fired unit and the liquid compressed air energy storage system, the overall operating efficiency of the system is improved. Compared with the conventional liquid compressed air energy storage peak regulation system with heat storage device, the air cooler is used to recover the air compression heat to the thermodynamic cycle of the unit, and the configuration of the heat storage system is cancelled. Effectively improve the overall system operation efficiency and reduce the overall project investment.

Description

technical field [0001] The invention belongs to the technical field of comprehensive utilization of thermal energy, and relates to a liquid compressed air energy storage peak regulation system and method coupled with a heating system. Background technique [0002] In order to cope with the gradual depletion of fossil fuels and the environmental problems caused by them, renewable energy power generation represented by wind energy and solar energy has developed rapidly in recent years. The large-scale integration of renewable energy power generation with volatility and randomness has put forward higher requirements for the power grid to shave peaks and fill valleys, and to operate safely and stably. Building large-scale energy storage devices to improve the flexibility and safety of power system operation is an effective way to solve the problem of high proportion of new energy consumption. [0003] At present, large-scale energy storage technologies mainly include pumped hyd...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01K7/44F01K7/40F01K7/38F01K7/22F04B41/02F04B39/06F01K1/04F01K3/14F01B23/10F24D3/00F24D19/10F24D18/00F24D101/10
CPCF01K7/44F01K7/40F01K7/38F01K7/345F01K7/22F04B41/02F04B39/06F01K1/04F01K3/14F01B23/10F24D3/00F24D19/1015Y02E60/16
Inventor 王妍居文平吕凯马汀山张建元黄嘉驷王东晔郑天帅刘学亮杨利林轶
Owner XIAN THERMAL POWER RES INST CO LTD
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