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Combined cooling, heating, power cogeneration system and method containing 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

Inactive Publication Date: 2019-06-28
NORTHEASTERN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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  • Combined cooling, heating, power cogeneration system and method containing supercritical compressed air energy storage
  • Combined cooling, heating, power cogeneration system and method containing supercritical compressed air energy storage
  • Combined cooling, heating, power cogeneration system and method containing 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 combined cooling, heating, power cogeneration system and method containing supercritical compressed air energy storage and relates to the technical field of combined cooling,heating, power cogeneration system optimization. The combined cooling, heating, power cogeneration system comprises an electric generator, a supercritical compressed air energy storage module, a compression heat utilization module, a solar preheating module, an electric refrigerating machine, an absorption type refrigerating machine, a waste heat boiler and an electric boiler, wherein the electricgenerator supplies power to devices in the system and a user; the supercritical compressed air energy storage module releases electricity after compressing air, and the output end of the supercritical compressed air energy storage module is connected with the electric refrigerating machine, the electric boiler and the user input end; the compression heat utilization module cools the air and stores water absorbing heat, and the output end of the compression heat utilization module is connected with the supercritical compressed air energy storage module and the user; the solar preheating moduleoutputs the air to the supercritical compressed air energy storage module after heating the air; and the output ends of the waste heat boiler, the absorption type refrigerating machine, the electricrefrigerating machine and the electric boiler are connected with the user. By means of the combined cooling, heating, power cogeneration system and method containing the supercritical compressed air energy storage, changes of the energy requirements in the system are fully met, and the stability of the system under the condition of variable working conditions is improved.

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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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
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