某汽轮机振动大及低压内缸裂纹原因分析与处理

Cause Analysis and Treatment of Cracks in the Inner Casing of a Steam Turbine with High Vibration and Low Pressure

某汽轮机运行中出现振动大、低压内缸裂纹的情况,文中对该机组出现上述问题的原因进行了分析,并提出处理措施,对后续机组设计具有一定的指导意义。

A certain steam turbine has large vibration and low-pressure inner casing cracks during operation.This paper analyzes the reasons for these problems of the turbine unit,and proposes treatment measures,which provide certain guidance for subsequent unit design.