华电技术 ›› 2009, Vol. 31 ›› Issue (9): 63-64.

• 技术交流 • 上一篇    下一篇

轴流式一次风机失速分析及其预防措施

辛长生   

  1. 浙江省火电建设公司,浙江杭州 310016
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-09-25 发布日期:2009-09-25

Stall analysis and prevention measures for axialflow primary fan

XIN Changsheng   

  1. Zhejiang Thermal Power Construction Company, Hangzhou 310016, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-09-25 Published:2009-09-25

摘要: 针对火力发电厂锅炉轴流式一次风机失速危害机组正常运行的现象,分析了轴流式一次风机失速产生的机理,提出了处理方法及采取有效预防措施,使轴流式一次风机脱离失速区,以避免事故的发生。

关键词: 轴流式一次风机, 失速, 产生机理, 预防措施

Abstract: The stall of axial primary air fan will harm the unit normal operation. Aiming at this problem, the occurring mechanism of stall of axial primary air fan was analyzed. The treatment methods were put forward, and effective prevention measures were adopted to make the fan operate keeping away from stall zone, and the accident had been avoided.

Key words: axial primary air fan, stall, occurring mechanism, prevention measure