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Solar energy, wind energy and fuel gas complementation combined hydrogen production and methane production circulating thermal power generation device

A technology of solar wind energy and thermal power generation, which is applied in the directions of solar thermal power generation, solar thermal storage, solar thermal energy, etc., to achieve the effects of improving the overall thermal cycle efficiency, increasing hours, and enhancing environmental adaptability

Pending Publication Date: 2021-05-25
张建城
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Problems solved by technology

[0003] Objectively speaking, my country’s thermal power generation industry has not really started research on zero-emission pure oxygen gas-fired power generation technology, and the scientific research project of combining this technology with carbon dioxide hydromethanation and realizing cycle thermal power generation has yet to be established, and this project is related to the country. energy transition

Method used

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  • Solar energy, wind energy and fuel gas complementation combined hydrogen production and methane production circulating thermal power generation device
  • Solar energy, wind energy and fuel gas complementation combined hydrogen production and methane production circulating thermal power generation device

Examples

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Embodiment Construction

[0017] The outlet of the trough solar concentrator array 1 is connected to the inlet of the high-temperature heat exchanger 4 through the three-way valve 5, and at the same time connected to the inlet of the heat storage tank 3, and the corresponding outlet of the high-temperature heat exchanger 4 is connected to the inlet of the three-way valve 5, and the three-way valve 5 Two outlets are respectively connected to the inlet of the heat storage tank 3 and the inlet of the evaporator 2, and the outlet of the heat storage tank 3 is respectively connected to the inlet and outlet of two pressure pumps 21 through the three-way valve 5, wherein the outlet of the evaporator 2 is connected to the inlet of the pressure pump 21, and the outlet of the pressure pump 21 The outlet is connected to one end of the three-way valve 5 at the outlet of the heat storage tank 3, and the other end of the three-way valve 5 is connected to the inlet of the pressure pump 21, and the outlet of the pressur...

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Abstract

The invention discloses a solar energy, wind energy and fuel gas complementation combined hydrogen production and methane production circulating thermal power generation device. A groove type solar thermal power generation technology is organically grafted in a semi-closed supercritical carbon dioxide fuel gas Brayton thermal power generation system, and the congenital defect that solar thermal power generation is unstable and discontinuous is overcome through complementation heat storage circulating power generation; meanwhile, water generated by pure oxygen gas power generation is used for electrolytic hydrogen production and oxygen production, carbon dioxide obtained through steam-water separation serves as a power working medium, other parts are subjected to hydrogenation methanation preparation, and prepared methane gas is stored; oxygen obtained by hydrogen production through renewable energy electrolysis water is used for pure oxygen fuel gas Brayton efficient power generation of the system; and water generated by condensation of the system and water generated by hydrogenation methanation are directly supplied to a groove type solar thermal power generation system for recycling after being stored and serve as a water source for cleaning a solar mirror field. The invention belongs to the technical field of solar thermal power generation and high-temperature thermochemistry interdisciplinary.

Description

technical field [0001] The solar wind energy and gas complementary combined hydrogen and methane cycle thermal power generation device of the present invention organically grafts the trough solar thermal power generation technology into the semi-closed supercritical carbon dioxide gas Brayton thermal power generation system, and generates electricity through complementary heat storage cycle to avoid solar thermal power generation. The congenital defect of unstable and discontinuous power generation; at the same time, the water generated by pure oxygen gas power generation is used for electrolysis to produce hydrogen and oxygen, and the carbon dioxide separated from soda water is used as a power working medium, and the rest is prepared by hydromethanation, and the prepared The methane gas is stored, and the oxygen obtained by using renewable energy to electrolyze water to produce hydrogen is used for the system's own pure oxygen gas Brayton high-efficiency power generation; the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G6/06F02C6/00F02C3/22F02C3/30F02C7/224F24S60/00F24S23/74C07C1/12C07C9/04C25B1/042C25B1/04
CPCC07C1/12C25B1/04F02C3/22F02C3/30F02C6/00F02C7/224F03G6/065F24S23/74F24S60/00C07C9/04Y02E10/46Y02E50/10Y02E60/36Y02P20/129Y02P20/133Y02P20/54
Inventor 张建城
Owner 张建城
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