Combined system of hydrogen-oxygen fuel cell power generation and supercritical CO2 generator set

Abstract

The invention discloses a combined system of hydrogen-oxygen fuel cell power generation and a supercritical CO2 generator set. The combined system solves the problem that in an existing industrial park, renewable energy supply is not matched with the intermittent energy consumption of the park, and energy waste is likely to be caused. The wind power, solar photovoltaic power generation, terrestrial heat and industrial waste heat generator sets in the industrial park are connected together in a micro-grid manner, the redundant power in a micro-grid is decomposed into hydrogen and oxygen throughan electrolytic tank at the peak and valley of power utilization, then the hydrogen and oxygen are compressed and stored by a compressor, and the stored hydrogen is used for power generation througha high-temperature fuel hydrogen battery. The heat exchanged during the cooling of hydrogen and oxygen and the heat exchanged during heating of the high-temperature fuel hydrogen battery are exchangedto a supercritical CO2 circulating system, a supercritical CO2 medium primarily heated by a geothermal heat exchanger in the system is subjected to secondary heating and tertiary heating, and the supercritical CO2 heated for three times pushes the supercritical CO2 generator set to generate power.

Description

technical field [0001] The invention relates to a comprehensive energy utilization system, in particular to a hydrogen-oxygen fuel cell power generation and supercritical CO 2 Combined system of generator sets. Background technique [0002] Renewable energy micro-grid is to connect wind power, solar photovoltaic power generation, geothermal and industrial waste heat generating units in a certain area together through micro-grid to realize the supply and demand balance of renewable energy power generation and electricity load in the area; electrolysis of water Hydrogen production and oxygen production energy storage is to store the excess electric energy in the microgrid by electrolyzing water to produce hydrogen and produce oxygen. At the same time, hydrogen and oxygen fuel cells are used to use the stored energy for power generation to realize the peaks and valleys of the grid load. regulation to ensure a stable supply of electric energy. [0003] Supercritical CO 2 The ...

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Problems solved by technology

[0005] The invention provides a hydrogen-oxygen fuel cell power generation and supercritical CO 2 The combination system of generator sets solves the technical problem of energy waste caused by the mismatch between the supply of renewable energy and the intermittent energy consumption of the existing industrial park.

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