华电技术 ›› 2016, Vol. 38 ›› Issue (11): 50-51.

• 技术交流 • 上一篇    下一篇

670MW机组轴加风机轴系振动超限原因分析及处理

  

  1. 华电潍坊发电有限公司,山东潍坊〓261000
  • 出版日期:2016-11-25

670MW unit sealing heater fan shaft vibration cause analysis and treatment

  1. Huadian Weifang Power Company Limited, Weifang 261000, China
  • Published:2016-11-25

摘要:

摘要:针对华电潍坊发电有限公司#4机组4B轴加风机轴系振动较大事宜,通过分析振动数据,推断轴加风机轴系存在转子质量不平衡现象。通过动平衡计算,在风机叶轮顶部加装平衡块,成功解决了轴加风机轴系振动较大现象,为同类型机组类似现象提供了参考依据。

关键词:

Abstract:

Abstract:Based on the incident of serious vibration of Huadian Weifang Power Plant’s unit No.4 and 4B shaft, by analyzing vibration data, it was concluded that the sealing heater fan shaft is rotating unbalance. After counterbalance was added on fan impeller top according to balance calculation, the problem of serious vibration was solved. Which could be refer by similar unit.

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