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, marking a significant technological advancement in coal power generation [1][2] - The project aims to achieve higher thermal efficiency and lower coal consumption, contributing to energy security and China's dual carbon goals [1] Group 1 - The Huaneng Yuhuan Power Plant Phase IV project will feature a 1 million kilowatt 650℃ high-efficiency ultra-supercritical once-through coal-fired power generation unit, with a main steam pressure of 35 MPa and both main and reheat steam temperatures reaching 650℃, setting new global records for coal-fired units [1] - The new unit is expected to improve power generation efficiency by approximately 4 percentage points and reduce coal consumption per kilowatt-hour by about 10%, leading to a reduction of approximately 450,000 tons of CO2 emissions annually [1] Group 2 - During the 14th Five-Year Plan period, China Huaneng is committed to driving national technological innovation and the transformation of research achievements, focusing on the development and application of new materials, processes, and equipment in the power generation sector [2] - The project has successfully developed a series of high-temperature alloys with independent intellectual property rights, including boiler tubes and large castings, overcoming key material design challenges for 650℃-700℃ coal-fired units [2] - The Huaneng Yuhuan Power Plant Phase IV project has been recognized as a major technological equipment initiative by the National Energy Administration and is the first case of sandbox mechanism implementation in the special equipment sector by the State Administration for Market Regulation [2]
世界首台650℃高效超超临界燃煤发电机组，在华能玉环电厂开建