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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 frequency conversion adjustment of 150 NW 78 × 2 low-pressure heater drain pump, the axial seal water system, the rotor part material and the bushing locking pattern were improved, which eliminated the excessive supply of dissolved oxygen, excessive bearing vibration and Bearing burned and other defects, improve the healthy level of pump operation.