高压汽轮机组动叶片断裂原因分析与改进  

Cause Analysis and Improvement of Rotor Blade Breakage of High Pressure Turbine Unit

作　　者：曹祖善 于尔亮 张士国[2] Cao Zushan;Yu Erliang;Zhang Shiguo

机构地区：[1]广西桂能科技发展有限公司,南宁530007 [2]北京北重汽轮电机有限责任公司,北京100040

出　　处：《上海电气技术》2020年第2期67-71,共5页Journal of Shanghai Electric Technology

摘　　要：针对100 MW高压汽轮机组169 mm动叶片频繁发生断裂这一问题,进行了强度分析与断裂原因分析,并提出了改进措施。对改进后的169 mm动叶片进行振动特性计算与分析,确认了改进措施的有效性。Aiming at the problem that the 169 mm rotor blade of the 100 MW high pressure turbine unit frequently broke,the strength analysis and the breakage cause were analyzed,and corrective measures were proposed.Calculation and analysis of the vibration characteristics of the improved 169 mm rotor blade confirmed the effectiveness of the corrective measures.

关 键 词：高压汽轮机 动叶片 断裂 故障 

分 类 号：TK263.6[动力工程及工程热物理—动力机械及工程]