Nuclear energy power generation hydrogen production comprehensive utilization system

Abstract

The invention discloses a nuclear energy power generation hydrogen production comprehensive utilization system. The system comprises a helium-steam combined power generation system, a high-temperature solid oxide water electrolysis hydrogen production system, a waste heat recycling system and a hydrogen compression storage system, wherein the helium-steam combined power generation system is used for generating power through a high-temperature helium Brayton cycle and a steam Rankine cycle and outputting steam to the high-temperature solid oxide water electrolysis hydrogen production system, and the high-temperature solid oxide water electrolysis hydrogen production system is used for electrolyzing the steam to generate hydrogen, oxygen and steam; and the hydrogen is input into a regenerative heater of the steam Rankine cycle for waste heat recycling, and the hydrogen after heat release is input into the hydrogen compression storage system. According to the principle of gradient utilization of energy, the helium-steam combined cycle power generation system is adopted for a nuclear energy high-temperature gas cooled reactor, the power generation system and the high-temperature solid oxide water electrolysis hydrogen production system are coupled, and the energy utilization efficiency is improved.

Description

Technical field [0001] The present invention relates to the field of nuclear energy integrated utilization, and more particularly to a comprehensive utilization system for nuclear power generation hydrogen production. [0002] technical background [0003] Hydrogen is a clean secondary energy and has a good application prospect in the fuel cell. At present, the main hydrogen production methods are hydrogenated fuel hydrogen, but the hydrogen production mode is discharged to a large amount of greenhouse gases and contaminants, and does not meet the requirements of energy cleaning and utilization. The nuclear energy is used as a high-quality energy, which uses the form of the current integrated system of energy supply such as power generation, hydrogen, and other energy supplies, and can improve energy utilization efficiency. In the cleaning energy hydrogen production mode, nuclear energy hydrogen has a broad development prospect, which has the advantages of high maturity and high m...

AI Technical Summary

Problems solved by technology

[0006] At present, in the field of comprehensive utilization of nuclear power generation and hydrogen production, there is no high-efficiency system for energy cascade utilization, which restricts the development of nuclear energy hydrogen production, especially for high-temperature gas-cooled reactors with high reactor outlet temperatures. Reasonable cascade utilization will directly affect energy utilization efficiency

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