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“小马拉大车”导致泵频繁损坏的案例分析

发布日期:2020-05-16

  JINQIJIEDAOBEIJINGYISHEJIDANWEIYONGHUDEJISHUZIXUN,YOUTAMENFUZESHEJI、CAIGOUBINGYUNYINGDEYIPICHENSUXINGTUOLIUBENG,YUNXINGSHIBENGTIZHENDONGMINGXIAN,DAOZHIBENGGAIJINGULUOSHUAN、YELUNPINMAOPINFANSONGTUO,YELUN、JIFENGPINFANSUNHUAI,TUOLIUBENGWUFAZHENGCHANGYUNXING,MIANQIANGGANGCHENGGUOYIGEGONGNUANQI,XIANJIXUJINXINGJIGAIDIAOZHENG。

  宙斯泵业通过双方的技术交流了解到,这批泵是他们去年通过招标低价购进,水泵供应商是安徽一小泵厂。这个泵厂原来主要生产小规格衬塑泵,而这次出现问题的脱硫泵的流量是985m3/h、扬程38、45m,并不在他们的生产能力范围内。后又排查了泵的安装工艺情况、管路布置情况,管径大小、阀门配置均没有发现明显问题,泵的联轴器、柱销、弹性圈等件也未见损坏。但我们注意到泵实际的运行电流只有296A,与所配250kW、280kW电机的额定电流440A、492A相去甚远,从运行功率不足判断出是因为泵的设计参数达不到实际工况要求,产生汽蚀现象而引起震动,进而造成泵的频繁损坏。

  ZHAODAOYUANYINHOU,ZHOUSIBENGYEWEIYONGHUZHONGXINSHEJITUIJIANLESHIHEDETUOLIUXUNHUANBENG,BINGZHENDUIXIANCHANG200000mg/LNONGDUDELVLIZIHANLIANG,DINGZHILEXIANGYINGDEJIXIEMIFENG,ZAIBAOLIUYUANYOUGUANLUSHEJI、DIANJIDEJICHUSHANG,JINXINGBENGTOUDEGENGHUANZHENGGAI,JINKENENGJIANSHAOJIGAIDENANDUYUCHENGBEN。

  YONGHUZUIHOUGANKAI:DAOXIANCHANGCANGUANLECAIZHIDAO,ANHUIXIAOBENGCHANGZHENGGECHANGQUDEMIANJIZHIDISHANGZHOUSIBENGYEYIGESHENGCHANCHEJIANDEDAXIAO,BUNENGZHIKANPIANMIANDEZILIAOYUTUPIAN,YIHOUMAIBENGHAISHIDEZHAOZHENGGUIDACHANG!ZHOUSIBENGYEYETIXINGGUANGDAYONGHU,GOUMAITUOLIUBENGBUNENGGUANGBIJIAGE,YAOFANGZHIBULIANGSHANGJIAYONGXINGNENGCANSHUBUDABIAODEBENGDINGTI。SUIRANCHUQICAIGOUJIEYUELECHENGBEN,DANHOUMIANYUNXINGWEIHUCHENGBENZENGJIA,JIGAIZAICITIGAOCHENGBEN,SHENZHIKENENGYINWEITUOLIUBENGWUFAZHENGCHANGGONGZUOERYINGXIANGDAOZHENGGETUOLIUGONGCHENGDEYUNXING,ZAOCHENGBUKEWANHUIDESUNSHI!

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