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A system and method for cogeneration of cooling, heating and power with supercritical compressed air energy storage

A technology of compressed air energy storage and cogeneration of cooling, heating and power, applied in solar heating systems, solar thermal power generation, solar thermal storage, etc., can solve the problem of less consideration of energy utilization of compressed air energy storage systems, and improve space requirements. , High energy density, the effect of increasing power output

Inactive Publication Date: 2021-06-22
NORTHEASTERN UNIV LIAONING
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The traditional combined cooling, heating and power system with compressed air energy storage only considers the storage of excess electric energy and releases it when the electric energy is insufficient, but less consideration is given to the utilization of energy during the operation of the compressed air energy storage system

Method used

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  • A system and method for cogeneration of cooling, heating and power with supercritical compressed air energy storage
  • A system and method for cogeneration of cooling, heating and power with supercritical compressed air energy storage
  • A system and method for cogeneration of cooling, heating and power with supercritical compressed air energy storage

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Embodiment Construction

[0064] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0065] Such as figure 1 As shown, the method of this embodiment is as follows.

[0066] On the one hand, the present invention provides a cogeneration system with supercritical compressed air energy storage, including a generator, a supercritical compressed air energy storage module, a compression heat utilization module, a solar preheating module, an electric refrigerator, an absorption refrigerators, waste heat boilers and electric boilers;

[0067]The supercritical compressed air energy storage module includes a compressor 1, a compressor 2, an aftercooler, a cold storage regenerator, a liquid expander, a liquid air storage tank, a cryogenic pump, a turbine 1, and a t...

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Abstract

The invention provides a cooling, heating and power cogeneration system and method including supercritical compressed air energy storage, and relates to the technical field of cooling, heating and power cogeneration system optimization. The invention includes a generator, a supercritical compressed air energy storage module, a compression heat utilization module, a solar preheating module, an electric refrigerator, an absorption refrigerator, a waste heat boiler and an electric boiler; the generator supplies power to devices and users in the system; The supercritical compressed air energy storage module compresses the air and releases electric energy, and the output end is connected to the electric refrigerator, electric boiler and user input end; the compression heat utilization module cools the air, stores water that absorbs heat energy, and the output end is connected to the supercritical compressed air The energy storage module is connected to the user; the solar preheating module heats up the air and outputs it to the supercritical compressed air energy storage module; the output ends of the waste heat boiler, absorption refrigerator, electric refrigerator and electric boiler are connected to the user. The invention fully satisfies the change of energy demand in the system and improves the stability of the system under variable working conditions.

Description

technical field [0001] The invention relates to the technical field of optimization of cooling, heating and power cogeneration systems, in particular to a cooling, heating and power cogeneration system and method including supercritical compressed air energy storage. Background technique [0002] Due to the increasing shortage of fossil fuels and the increasing environmental pollution caused by them, people pay more and more attention to the development of energy saving and emission reduction technologies and the development and utilization of new energy sources. The cogeneration system of cooling, heating and power organically integrates the power system and the waste heat utilization system, utilizes the waste heat discharged by the power system in cascades, directly faces the energy demand users, implements energy conversion according to the needs of users, and realizes a variety of energy While outputting, energy utilization efficiency is improved. Due to the fluctuatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01K7/32F01K23/10F03G6/06F04B35/04F04B41/02F04B41/06F24S60/30F25B25/00
CPCY02E10/46Y02E60/16Y02E70/30
Inventor 杨珺赵俊朋张化光刘鑫蕊王智良孙秋野黄博南马大中
Owner NORTHEASTERN UNIV LIAONING
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