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Combined cooling, heating and power system and method adopting compressed air and thermochemistry coupling for energy storage

A technology for compressed air energy storage and combined cooling, heating and power generation, applied in chemical instruments and methods, machine operation, heating and cooling combinations, etc. Diversity of forms, the effect of realizing energy storage and outputting stable electric energy

Active Publication Date: 2020-02-28
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a combined cooling, heating and power generation system and method for energy storage coupled with compressed air and thermochemical energy storage in view of the deficiencies in the above-mentioned prior art. The compressed air energy storage system integrated with chemical energy is deeply coupled to solve the defect that the thermal energy of the existing compressed air energy storage system integrated with chemical energy is not fully utilized during energy storage / energy release operation, and ultimately improve the energy utilization rate of the system

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  • Combined cooling, heating and power system and method adopting compressed air and thermochemistry coupling for energy storage
  • Combined cooling, heating and power system and method adopting compressed air and thermochemistry coupling for energy storage
  • Combined cooling, heating and power system and method adopting compressed air and thermochemistry coupling for energy storage

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Embodiment Construction

[0040] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", "end", "side" etc. is based on the Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicit...

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Abstract

The invention discloses a combined cooling, heating and power system and method adopting compressed air and thermochemistry coupling for energy storage. A compressed air energy storage unit is used for converting surplus power energy or surplus power energy generated by renewable energy sources into pressure potential energy and storing the pressure potential energy in a high-pressure gas storagedevice; a thermochemistry converting unit is used for converting compressed heat energy generated by the compressed air energy storage unit in the working process into chemical energy and storing thechemical energy into a synthetic gas storage tank; and a compressed air energy release unit is used for converting the pressure potential energy stored in the high-pressure gas storage device and thechemical energy in the synthetic gas storage tank into stable power energy to be output, and thus the energy converting process of inputting the surplus power energy to a system or outputting the stable power energy from the surplus power energy generated by the renewable energy sources to the system is completed. According to the combined cooling, heating and power system and method, the renewable energy sources are efficiently utilized, and diversification of the system function is achieved.

Description

technical field [0001] The invention belongs to the technical field of electric energy storage, and in particular relates to a combined cooling, heating and power generation system and method for energy storage coupled with compressed air and thermochemistry. Background technique [0002] With the increasing depletion of fossil energy around the world, and the increasingly serious problems of environmental pollution and ecological damage. The development of clean renewable energy and the efficient use of fossil energy have become the consensus of all countries in the world. At present, the proportion of renewable energy grid-connected power generation is increasing year by year, but because renewable energy power generation is affected by climate conditions, there will be large fluctuations, resulting in the supply of renewable energy and the demand on the grid user side. , thus causing large frequency fluctuations in the power grid; in addition, the uneven distribution of r...

Claims

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Application Information

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IPC IPC(8): F25B15/06F25B29/00F04B41/02F01D15/10B01J19/24
CPCB01J19/2415F01D15/10F04B41/02F25B15/06F25B29/006Y02E60/16Y02E70/30
Inventor 姚尔人席光王焕然李瑞雄邹瀚森
Owner XI AN JIAOTONG UNIV
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