Small villiaumite cooling high-temperature reactor and high-temperature process thermal coupling utilization system and method

Abstract

The invention discloses a small villiaumite cooling high-temperature reactor and high-temperature process thermal coupling utilization system and method, and relates to the field of new energy and renewable energy application. The small villiaumite cooling high-temperature reactor and high-temperature process thermal coupling utilization system comprises a nuclear reactor power generation system, a water electrolysis hydrogen production system, a thermochemical hydrogen production system and a high-temperature process thermal utilization system, wherein a molten salt pond in the nuclear reactor power generation system stores high-temperature heat from a modular reactor, the heat of multi-stage temperature is used for power generation, high-temperature thermochemical cycle hydrogen production and high-temperature process heat application places, and the excess electric quantity of the nuclear reactor power generation system can be used for electrolyzing water to produce hydrogen, so that the problem of power consumption is solved. According to the invention, not only can efficient utilization of energy be realized, but also low-carbon efficient hydrogen production can be realized, the economical efficiency of the small villiaumite cooling high-temperature reactor is further improved, and carbon peak reaching and carbon neutralization are facilitated.

Description

technical field [0001] The invention relates to the field of application of new energy and renewable energy, in particular to a system and method for thermally coupled utilization of a small-scale fluoride-salt cooling high-temperature reactor and a high-temperature process. Background technique [0002] Hydrogen energy is a secondary energy source, which is generated by using other energy sources through certain preparation methods, such as electrolysis of water, steam reforming of methane and other hydrocarbons, and high-temperature thermochemical cycle hydrogen production. Hydrogen production by electrolysis of water is simple, but expensive and inefficient; steam reforming of methane and other hydrocarbons to produce hydrogen is a commonly used hydrogen production method in industry, but this method will emit a large amount of greenhouse gases, which is not in line with the low-carbon circular economy ;Using high-temperature thermochemical cycle to produce hydrogen has h...

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Problems solved by technology

Hydrogen production by electrolysis of water is simple, but expensive and inefficient; steam reforming of methane and other hydrocarbons to produce hydrogen is a commonly used hydrogen production method in industry, but this method will emit a large amount of greenhouse gases, which is not in line with the low-carbon circular economy ;Using high-temperature thermochemical cycle to produce hydrogen has high efficiency, and generates H by decomposing water 2 Does not produce greenhouse gases, but the mainstream thermochemical cycle (iodine-sulfur cycle and mixed cycle) requires a temperature higher than 750°C, while other low-temperature thermochemical cycles (copper-chlorine cycle below 700°C) are under research and development

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