汽轮机高压调阀液压油路故障分析

Failure Analysis of Hydraulic Oil Circuit of High Pressure Control Valve of Steam Turbine

汽轮机EH油系统是重要设备,关系着汽轮机设备的稳定运行,在紧急情况下能够迅速关闭,防止超速事故发生。文中对某电厂2×1000 MW超超临界燃煤机组检修中遇到的问题进行讨论和分析,通过对该设备的维护、检修、故障排查,得到针对性解决措施和方法,对同类机组及超超临界1000 MW机组具有较好的借鉴意义。

The EH oil system of a steam turbine is an important equipment,which is related to the stable operation of the steam turbine equipment,and can be quickly shut down in an emergency to prevent overspeed accidents.This article discusses and analyzes the problems encountered in the overhaul of 2×1000 MW ultra-supercritical coal-fired units in a power plant.Through the maintenance,overhaul and troubleshooting of the equipment,targeted solutions and methods are obtained.The unit has good reference significance.