Solar-aided coal-fired flexible power generation system and operation method thereof

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United States of America Patent

PATENT NO 11560879
SERIAL NO

17427644

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Abstract

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A solar-aided coal-fired flexible power generation system and an operating method thereof are provided. The system includes a coal-fired thermal power generation system and a high-temperature heat storage system coupled with solar thermal power generation; wherein a heat storage medium heater is arranged in the boiler flue; the flow rates of heat storage medium entering the solar heat collection device and the heat storage medium heater are adjusted by the regulating valve and the pump, eliminating irradiation fluctuation influences and maintaining stable power; a heat storage medium tank is used for peak shaving to reduce steam turbine output under stable boiler combustion; the flow and temperature of the feedwater entering the heat storage medium and feedwater heat exchanger are adjusted to realize rapid load cycling. The present invention can realize solar and coal-fired generation coupling, reduce coal consumption, and greatly improve the flexibility and economy.

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Patent Owner(s)

Patent OwnerAddress
XI'AN JIAOTONG UNIVERSITY710049 NO 28 WEST XIANNING ROAD SHAANXI XI'AN XI'AN CITY SHAANXI PROVINCE 710049

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Weixiong Shaanxi, CN 22 41
Chong, Daotong Shaanxi, CN 10 5
Liu, Ming Shaanxi, CN 547 2816
Wang, Jinshi Shaanxi, CN 3 3
Yan, Hui Shaanxi, CN 45 100
Yan, Junjie Shaanxi, CN 72 307

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