Core Insights - The world's first commercial supercritical carbon dioxide power generation unit successfully commenced operation in Liupanshui, Guizhou by Shougang Water Steel Group by the end of 2025, marking a significant advancement in supercritical carbon dioxide waste heat power generation technology [1] - The "Super Carbon No. 1" demonstration project, developed by China National Nuclear Corporation (CNNC) and partners, boasts an efficiency improvement of over 85% in power generation compared to existing sintering waste heat steam generation technology, with a net power output increase of over 50% [1][2] Group 1 - The traditional steam power generation technology faces limitations in system complexity, efficiency, compactness, and response speed due to the use of water as a medium [1] - The supercritical state of carbon dioxide, achieved at a pressure of 7.38 MPa and a temperature of 31 degrees Celsius, offers a dual advantage of high density and low viscosity, making it suitable for power generation [1] - The development of supercritical carbon dioxide power generation technology has been a "from 0 to 1" process, with significant technical challenges overcome by the team since 2009 [2] Group 2 - In 2023, CNNC and JISCO constructed two 15 MW supercritical carbon dioxide waste heat power generation units, utilizing high-temperature sintering flue gas waste heat, achieving a 50% reduction in space requirements and an 85% increase in power generation efficiency compared to traditional methods [2] - The establishment of a comprehensive industrial chain for supercritical carbon dioxide power generation technology in China has been achieved, with conditions for full engineering application now in place [2] - A molten salt energy storage supercritical carbon dioxide power generation demonstration project is set to be initiated by CNNC in 2024, with construction expected to begin in 2026 [2]
超临界二氧化碳发电技术成功商运(探一线)