水轮机止漏环腐蚀修复工艺

Repair Process for Corroded Anti-leakage Ring of Hydraulic Turbine

论述了水轮机止漏环的重要作用,针对长甸电站1号水轮机上部固定止漏环发生的腐蚀问题,从锈蚀、汽蚀等方面分析了腐蚀产生的原因,并介绍了止漏环腐蚀的危害。对止漏环腐蚀修复工艺进行了分析,并介绍了具体修复过程,同时给出水轮机回装时的注意事项。

The important role of the anti-leakage ring in hydraulic turbine was discussed. According to the corrosion problem of the top fixed anti-leakage ring of No. 1 hydraulic turbine in Changdian power station,the causes of corrosion were analyzed from the aspects of corrosion and cavitations,and the hazard of the corrosion of the anti-leakage ring was introduced. The repair process for corroded anti-leakage ring was analyzed, and the specific repair process was introduced At the same time,the precautions for reloading of the hydraulic turbine were given.