提高150NW-78×2型低压加热器疏水泵运行稳定性的措施  

Measures to Advance Operation Stability of 150 NW-78×2 Low Pressure Heater Drain Pump

作　　者：吴振兵[1] 岳海生[1] 张志宏[1] 

机构地区：[1]国网新源控股有限公司马头发电厂,河北邯郸056044

出　　处：《河北电力技术》2007年第3期50-52,共3页Hebei Electric Power

摘　　要：通过对150 NW 78×2型低压加热器疏水泵进行变频调节改造,对轴端密封水系统、转子部件材质和轴套锁母定位形式进行了改进,消除了给水溶氧超标、轴承振动超标和轴承烧毁等缺陷,提高了泵组健康运行水平。Through the retrofit for multi-frequency regulation,shaft sealing water system,rotator material and shaft cover orientation mode of 150 NW-78×2 low pressure(LP)heater drain pump,pump corrosion at low-load operation,bad packing seal,bearing vibration,bearing burned have been solved.Health operation level has been improved.

关 键 词：低加疏水泵 转子 轴端密封 变频调节 

分 类 号：TK264.12[动力工程及工程热物理—动力机械及工程]