华电技术 ›› 2019, Vol. 41 ›› Issue (5): 69-72.

• 技术交流 • 上一篇    下一篇

低速钢球磨煤机减速机齿轮断齿故障诊断及分析

  

  1. 华电国际邹县发电厂,山东邹城〓273522
  • 出版日期:2019-05-25 发布日期:2019-06-04

Fault diagnosis and analysis of gear breaking of low speed balltube mill speed reducer

  1. Huadian International Zouxian Power Plant, Zoucheng 273522, China
  • Online:2019-05-25 Published:2019-06-04

摘要:

某电厂635MW机组低速钢球磨煤机减速机及电机在运行中出现异音,应用振动诊断技术进行诊断分析,判断异音原因是减速机低速齿轮出现断齿,并准确判了断故障的严重程度,及时进行了有针对性的处理,避免了设备故障的进一步扩大。

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Abstract:

There was abnormal sound in the balltube mill speed reducer and motor of a 635MW unit. Applying vibration diagnosis and analysis technology,the reason for the abnormal sound is found out to be broken teeth in lowspeed gear of reducer. The severity of the failure is judged accurately and targeted treatment is made timely, which avoids further expansion of equipment failure.

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