4ASG004PO汽轮机入口蒸汽管道振动问题分析与处理

Analysis and Troubleshooting for Turbine Inlet Steam Pipe Vibration of 4ASG004PO

文章介绍了核电站中辅助给水汽动泵技术要求,陈述了某核电站4ASG004PO汽轮机入口蒸汽管道振动问题及故障特征,列举了汽轮机入口蒸汽管道振动高鱼骨图并进行了初步分析,文章详述了该核电站4ASG004PO汽轮机入口蒸汽管道振动高的排查过程,指出了疏水不畅导致汽轮机入口蒸汽管道带有疏水是汽轮机入口蒸汽管道发生振动的根本原因,解决了该核电站4ASG004PO汽轮机入口蒸汽管道振动问题。该文可供同行核电站辅助给水汽动泵设备维修及设备管理人员参考与借鉴。

This article introduced technical requirements of turbine driven auxiliary feed water pump,expounded trouble characteristics of turbine inlet steam pipe vibration of 4ASG004PO in some nuclear power plant,listed fishbone diagram of turbine inlet steam pipe vibration and preliminary analysis.This article described the process of 4ASG004PO turbine inlet steam pipe vibration troubleshooting in detail,pointed out turbine inlet steam pipe with water due to drain-pipe blocking could lead to turbine inlet steam pipe vibration.The vibration problem of 4ASG004PO turbine inlet steam pipe was solved.This article could use for reference by equipment maintenance and management personnel of other nuclear power plants.