Closed brayton cycle excess heat generating system and method for using same for excess heat power generation

Abstract

The invention relates to a closed brayton cycle excess heat generating system. A start pressurization system is connected with a helium gas inlet of a countercurrent flue gas heat exchanger through a helium gas circulation line, the helium gas inlet of the countercurrent flue gas heat exchanger is connected with a turbo-power device through the gas circulation line, a helium gas excess heat recovery outlet of a turbine return circuit heat regenerator is connected with a turbine return circuit radiator and a gas compressor in sequence through the helium gas circulation line, a helium gas heating gate of the turbine return circuit heat regenerator is connected with the gas compressor through the helium gas circulation line, the helium gas heating gate of the turbine return circuit heat regenerator is connected with the start pressurization system through the helium gas circulation line, the turbo-power device is coaxially connected with an electric generator device and the gas compressor. The closed brayton cycle excess heat generating system features wide temperature adaptation range to heat source exhaust gas, simple structure, high excess heat utilization factor and stability andreliability.

Description

technical field [0001] The invention relates to a waste heat power generation system and a method for using the waste heat power generation system, in particular to a power station system based on Brayton cycle utilization of industrial waste gas waste heat. Background technique [0002] Waste heat power generation technology is an energy recovery technology that converts heat energy in exhaust gas into electrical energy. The heat source in the waste heat power generation system comes from the waste gas heat source generated in various industrial processes. Waste heat power generation technology realizes energy conversion through the process of "exhaust gas heat source-working fluid heat energy-mechanical energy-electric energy, so as to realize the process of utilization of waste gas heat source at the same time. [0003] At present, the system technology of using waste heat power generation at home and abroad is mainly the combined cycle system of conventional steam boile...

AI Technical Summary

Problems solved by technology

Overall, the comprehensive utilization rate of waste heat is low, the power generation is small, the range of adaptation to waste heat fluctuations is small, and the stability and reliability of waste heat power generation systems are relatively poor

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