流体机械

2007, No.423(09) 38-40

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350S44型循环水泵试运行故障分析处理
Analysis and Resolution to Run Malfunction of Pump 350S44

谢武;赵冰;
XIE Wu1,ZHAO Bing2(1.Changsha Pump Works of Xiangtan Electrical Motor Group,Changsha 410015,China;2.Changsha Uuniversity of Science and Technology,Changsha 410076,China)

摘要(Abstract):

四台350S44型循环水泵在工厂做完试验合格后,在现场运行中出现了振动故障。分析中发现引起振动的原因为:(1)伸缩节两端法兰没用长螺杆刚性联接;(2)泵有汽蚀,从而引起振动。并采取了合理有效的措施解决了这一问题。
4 circulation pumps happened with vibration malfunction during run at the site after they are tested to be qualified at manufacturer.There may be two reasons in relation to vibration:(1) No grid connection with long screw bolt at the flanges of at two ends of extension joint;(2) Vibration arose out from cavitations. The vibration and cavitations problem have been resolved by reasonable and effective methods.

关键词(KeyWords): 工况;汽蚀;伸缩节;刚性联接
working condition;cavitations;extension joint;rigid connection

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作者(Author): 谢武;赵冰;
XIE Wu1,ZHAO Bing2(1.Changsha Pump Works of Xiangtan Electrical Motor Group,Changsha 410015,China;2.Changsha Uuniversity of Science and Technology,Changsha 410076,China)

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