超50%效率的630℃等级燃煤机组关键技术研究  

Key Technology of 630℃ Coal-fired Units with Over 50% Efficiency

作　　者：翟璇[1] 侯明军[1] 袁永强[1] 张晓东[1] ZHAI Xuan;HOU Mingjun;YUAN Yongqiang;ZHANG Xiaodong(Dongfang Turbine Co.,Ltd.,Deyang Sichuan,618000)

机构地区：[1]东方电气集团东方汽轮机有限公司,四川德阳618000

出　　处：《东方汽轮机》2021年第4期35-40,共6页Dongfang Turbine

摘　　要：我国资源禀赋决定了我国燃煤机组在相当长时间内依然在电力能源领域占有重要份额,因此持续提升燃煤机组效率打造高效新动能具有重要现实意义。文章回顾了当前高效超超临界机组发展概况,提出了火电机组进一步升级参数到630℃等级实现机组发电效率超过50%的技术路线,并着重探讨了630℃等级燃煤机组研制中应关注和开展研究的关键技术点。Coal-fired units occupies an important share in the field of energy power,it is great practical significance to continuously improve of coal fired the efficiency unit to create efficent and new driving driver.This paper proposes the technical feasibility of further increasing the parameters of high-parameter units to 630℃ and the power generation efficiency reaching more than 50%.The research status and development trend of key technologies such as system optimization,main design points of boiler steam turbine body,and material selection are discussed.

关 键 词：630℃ 超50%发电效率 超超临界 汽轮机 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]