国产超超临界汽轮机特点分析及问题建议  

Characteristic Analysis and Problem Suggestion of Domestic Ultra-supercritical Turbine

作　　者：赵英淳 吴凯 张磊 ZHAO Yingchun;Wu Kai;ZHANG Lei(Energy China Northwest Electric Power Test Research Institute Co.,Ltd.,Xi′an 710054,Shannxi Province,China)

机构地区：[1]中国能源建设集团西北电力试验研究院有限公司,陕西西安710054

出　　处：《电力与能源》2020年第3期367-370,共4页Power & Energy

摘　　要：以国产超超临界一次再热汽轮机为研究对象,对比了三大汽轮机厂产品在高压缸结构、配汽方式、滑销系统设计、润滑油及调节保安系统等方面的异同点,针对机组调试及运行过程中出现的典型问题,结合机组设计、制造特点进行了分析,并提出了优化运行建议,有利于深化调试、加深运行人员对机组特点的理解,提高了机组运行的安全可靠性。Taking domestic ultra-supercritical single reheat steam turbine as the research object,this paper compares the similarities and differences of products of three major steam turbine plants in the aspects of highpressure cylinder structure,steam distribution mode,sliding pin system design,lubricating oil and governing and protecting system,and analyzes the typical problems in the commissioning and operation process based on the design and manufacturing characteristics of the unit.The suggestions for optimal operation are accordingly proposed to deepen the commissioning and operation personnel′s understanding of the unit′s characteristics and improve the safety and reliability of unit operation.

关 键 词：超超临界汽轮机 一次再热汽轮机 机组热效率 

分 类 号：TK269[动力工程及工程热物理—动力机械及工程]