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technical service
离心泵轴承箱梳齿密封的修复
2013-05-22
石永中
(四川维尼纶厂)
我厂乙炔车间206
#
溶剂系统的2P445离心泵与下游装置甲醇车间有安全联锁保护,一旦出现故障,就会使全线停车。由于该泵已使用20余年,轴承箱的后轴承座梳齿密封损坏,泄漏严重,失去密封作用。在无备用轴承箱的情况下,为保证装置正常生产,根据梳齿密封的结构尺寸和损坏情况确定了修复方案,如图1,在原梳齿密封损坏处(¢50.3mm),加工一道宽7mm、内径
mm的内圆槽,安装¢70*50*10mm唇形油封,经过两个月的运行,证明密封性能良好,保证了乙炔车间的安稳长满优生产。
来源:《中国设备管理》2001年01期
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