Core Insights - The world's first 650℃ high-efficiency ultra-supercritical coal-fired power generation unit has commenced full construction at the Huaneng Yuhuan Power Plant Phase IV project [1][3] - The project aims to build a 1 million kilowatt 650℃ ultra-supercritical once-reheated coal-fired power generation unit, featuring the highest parameters globally for coal-fired units [1][3] Group 1 - The main steam and reheated steam temperatures of the unit will reach 650℃, with a design main steam pressure of 35 MPa [1] - The unit utilizes high-temperature alloy new materials developed by China Huaneng, achieving complete self-control over key high-temperature material technologies [3] Group 2 - The 650℃ high-efficiency ultra-supercritical coal-fired unit is expected to significantly improve power generation efficiency, with an approximate increase of 4% compared to existing units [3] - The coal consumption per kilowatt-hour of electricity produced is expected to decrease by about 10%, leading to an annual reduction of approximately 450,000 tons of carbon dioxide emissions [3]
650℃！世界首台，开工