国内外火电汽轮机低压末级长叶片的发展  

Development of Low Pressure Last-Stage Blades (LSBs) in Fossil Steam Turbine at Home and Abroad

作　　者：刘希涛 张学良 LIU Xitao;ZHANG Xueliang(Shanghai Electric Power Generation Equipment Co.,Ltd.Turbine Plant,Shanghai 200240,China)

机构地区：[1]上海电气电站设备有限公司汽轮机厂,上海200240

出　　处：《热力透平》2018年第2期132-139,153,共9页Thermal Turbine

摘　　要：对国内外火电汽轮机低压末级长叶片的技术现状作了概述,通过梳理和总结,对比分析了各主要汽轮机制造厂低压末级长叶片的技术特点。分析结果表明,国内外汽轮机长叶片正朝着大型化的方向发展,开发进展很快。并对长叶片的开发方向作了展望。总结和对比分析能为工程技术人员了解汽轮机长叶片技术的开发现状提供参考。The developments of long last-stage blades（LSBs）in fossil steam turbine at home and abroad are reviewed.By comparing and analyzing features of LSBs of main steam turbine suppliers,it is indicated that the LSBs is developing towards the direction of long and large blades rapidly.The development trend of LSBs is also stated.The results can provide reference for engineers to understand the development situation of LSBs technology in steam turbines.

关 键 词：汽轮机 低压缸 末级长叶片 大型叶片 

分 类 号：TK263.3[动力工程及工程热物理—动力机械及工程]