Harbin Electric Valves won the bid for the world’s first 650°C, 10-million-kilowatt class ultra-supercritical coal-fired demonstration unit

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Recently, Harbin Electric Valves received excellent news: thanks to its strong technical expertise, rigorous quality control measures, and extensive experience in project implementation, it was successful in winning the bid for the demonstration project related to 1×1000MW class 650℃ high-efficiency ultra-supercritical coal-fired power generation technology, as part of the fourth phase expansion project at Haga Huanneng Yuhuan. The company secured contracts for the supply of safety valves, PCVs, control valves, and shut-off valves for this project. With the robust capabilities of its domestic-made equipment, Harbin Electric Valves is contributing significantly to the development of this demonstration project aimed at achieving clean and efficient use of coal. The Phase 4 project of Huaneng Yuhuan Power Plant is the world’s first 650°C, million-kilowatt-class high-efficiency ultra-supercritical coal-fired demonstration unit. It is part of a **key research and development program and represents a landmark project in China’s efforts to promote a green and low-carbon transformation of the coal power industry as well as to overcome the technical challenges associated with advanced energy equipment. The steam parameters of this power unit are among the highest in the world; it must operate under extreme conditions of temperatures up to 650°C and pressures as high as 34 MPa over extended periods of time. This imposes extremely stringent requirements on the valves used in its system, in terms of their ability to withstand high temperatures and pressures, as well as their sealing performance and stability. It is one of the most technically challenging projects in the global thermal power sector, with the strictest standards. Once completed, it will become the most efficient thermal power unit in the world, significantly reducing coal consumption for power generation and contributing to energy savings and carbon reduction in the power industry. This win represents another milestone achievement for Harbin Electric Valves, which has been dedicated to the development of domestic high-end valves for decades. To meet the demands of extreme operating conditions in such projects, the R&D team at Harbin Electric Valves overcame numerous challenges by adopting cutting-edge design solutions for temperature and pressure reduction mechanisms. They successfully addressed a series of technical difficulties related to the processing, welding, and cladding of HT700 superalloy materials, thereby breaking through the key technical barriers to temperature and pressure reduction as well as long-term stable operation of valves under ultra-high temperature and pressure conditions. This breakthrough ended the long-standing monopoly of foreign companies on high-end valves in this field, enabling self-sufficiency and control over these critical core components. Compared to traditional 600°C units, 650°C ultra-supercritical units can achieve a lower coal consumption for power generation of around 10 grams per kilowatt-hour. The core equipment provided by Harbin Electric Valves will serve as a crucial safeguard for the efficient, safe, and stable operation of these units, marking the company’s advanced valve manufacturing technology as being at the world’s forefront.