流体机械

2007, No.419(05) 50-53+20

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离心鼓风机轴瓦失效分析及预防
Failure Analysis and Prevention on Bearing Bush of Centrifugal Blower

蒋小平,施卫东,许建强,沈玉堂
JIANG Xiao-ping,SHI Wei-dong,XU Jian-qiang,SHEN Yu-tang(Jiangsu University

摘要(Abstract):

D400-15型离心鼓风机是广西柳州某化工集团硫酸厂的关键设备之一。通过对该厂1999年10月投产以来的两台离心鼓风机的轴瓦失效情况进行的统计,将造成轴瓦失效的主要原因分成4类,即:轴瓦质量差、转子动平衡超标、研刮不良以及润滑油油质不佳等。对造成轴瓦失效的主要原因及机理进行了深入的分析,建立了轴瓦失效故障树,并提出了与主要失效原因相对应的预防措施。
Centrifugal blowers,with model number D400-15,are key equipments to a vitriol plant which lies in Liuzhou,Guangxi.Failure situations on bearing bushes from October of 1999 to the two units are generalized,The main causes are divided into four classes: bearing bushes with low quality,overproof on dynamic balance,bad crapping to bearing bushes,and bad fluid oil.Mechanics to the four main causes are analysed deeply,fault tree to bearing bushes is established, and ways of precaution are presented together.

关键词(KeyWords): 离心鼓风机;轴瓦;失效分析;动平衡;故障树
centrifugal blower;bearing bush;failure analysis;dynamic balance;fault tree

Abstract:

Keywords:

基金项目(Foundation): 江苏省科技发展计划项目(编号:BM2002805)

作者(Author): 蒋小平,施卫东,许建强,沈玉堂
JIANG Xiao-ping,SHI Wei-dong,XU Jian-qiang,SHEN Yu-tang(Jiangsu University

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