Synthesis gas preparation method for realizing zero carbon emission by combining electric energy with inverse transformation reaction

Abstract

The invention relates to the field of energy conservation and emission reduction, and particularly discloses a synthesis gas preparation method for realizing zero carbon emission by combining electric energy with inverse transformation reaction. A synthesis gas preparation device comprises a power generation system, a water electrolysis hydrogen production device, a hydrogen storage device, a coal gasification device, an air separation device, a heat recovery device, an inverse transformation device and a purification device. By coupling electric energy, inverse transformation reaction and the traditional coal chemical industry production process, on one hand, green production of hydrogen is achieved; and on the other hand, carbon dioxide generated in the production process is utilized, carbon emission in the production process is reduced, and zero-carbon-emission production of the coal chemical industry is achieved.

Description

technical field [0001] The invention relates to the field of energy saving and emission reduction, and belongs to a zero-carbon-emission, green and environment-friendly synthesis gas preparation method, in particular to a synthesis gas preparation method utilizing electric energy combined inverse conversion reaction to realize zero-carbon emission. Background technique [0002] Coal is an important fossil energy in my country, and it is also a raw material for the production of many important chemical products. In 2020, coal consumption will account for about 49% of my country's energy structure. Coal gasification is currently a technology for efficient and clean utilization of coal resources. The synthesis gas obtained through coal gasification can be further synthesized into chemical products such as methanol, ammonia, dimethyl ether, olefins, and oil products. It is an important component of my country's chemical industry. However, there are still many problems in coal ga...

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Problems solved by technology

[0005] Aiming at the problems existing in the coal chemical industry at present, the present invention provides a synthesis gas preparation method that realizes zero-carbon emission by using electric energy combined with inverse conversion reaction

Through the process of the present invention, the problem of large carbon dioxide emissions in the traditional coal-to-gas process is solved, and at the same time, the utilization rate of carbon elements in raw materials is improved, and zero-carbon or near-zero-carbon green production in the process is realized

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