A combined cooling, heating and power generation system and method for compressed air and thermochemical coupled energy storage
A technology of cogeneration of cooling, heating and power, and compressed air, applied in chemical instruments and methods, machine operation modes, chemical/physical processes, etc., can solve problems such as insufficient utilization of heat energy, improve energy utilization, and realize energy storage And the effect of outputting stable electric energy and improving the diversity of forms
Active Publication Date: 2021-02-02
XI AN JIAOTONG UNIV
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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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[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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The invention discloses a combined cooling, heating and power system and method of compressed air and thermochemical coupled energy storage. The compressed air energy storage unit is used to convert excess electrical energy or excess electrical energy generated by renewable energy into pressure potential energy and store it. In the high-pressure gas storage device; the thermochemical conversion unit is used to convert the compressed heat energy generated by the compressed air energy storage unit during its operation into chemical energy and store it in the syngas storage tank; the compressed air energy release unit is used to convert The pressure potential energy stored in the high-pressure gas storage device and the chemical energy in the syngas storage tank are converted into stable electrical energy output, thereby completing the energy conversion from inputting excess electrical energy to the system or surplus electrical energy generated by renewable energy to the system outputting stable electrical energy. Process; the present invention realizes efficient utilization of renewable energy and diversifies system functions.
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...
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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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