Circulation thermal power generation device for preparing synthesis gas through solar-gas complementation and combination of wind power

Abstract

The invention provides a circulation thermal power generation device for preparing synthesis gas through solar-gas complementation and combination of wind power. According to the device, water and carbon dioxide gas discharged through solar-gas-complementation supercritical carbon dioxide thermal power generation are fully utilized for synthesis gas preparation, meanwhile, the wind power or photovoltaic power which cannot enter a power grid is utilized to perform electrolysis hydrogen production on water generated by a system, hydrogen and carbon dioxide gas which is discharged by the system are reformed to prepare the synthesis gas, and oxygen is used for supporting combustion of natural gas or the synthesis gas in a supercritical carbon dioxide thermal power generation unit, so that theefficient operation of the supercritical carbon dioxide thermal power generation system is guaranteed, and the use of the fossil energy natural gas can also be reduced. According to the device, on thebasis of improving solar thermal power generation survival and environmental adaptability, solar thermal power generation is made to become a reliable grid base load power supply in China. The devicebelongs to the technical field of solar thermal power generation and high-temperature thermal chemical interdisciplinary.

Description

technical field [0001] The solar gas complementary combined with wind power to prepare syngas circulation thermal power generation device of the present invention makes full use of the water and carbon dioxide gas discharged from the solar gas complementary supercritical carbon dioxide thermal power generation to prepare syngas, and at the same time utilizes wind power or photovoltaic power that cannot enter the grid to generate water for the system Electrolytic hydrogen production is carried out, in which hydrogen is reformed with carbon dioxide gas discharged from the system to prepare synthesis gas, and oxygen is used in the supercritical carbon dioxide thermal power generation unit to support the combustion of natural gas or synthetic gas, which not only ensures the efficient operation of the supercritical carbon dioxide thermal power generation system, but also can Reduce the use of fossil energy natural gas. On the basis of improving the survival and environmental adapta...

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Problems solved by technology

The U.S. Patent US6622470 advocates the use of air combustion in a semi-closed Brayton gas-fired power generation system to reduce power generation costs. The disadvantage of this technology is that the exhaust contains nitrogen oxides

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