Huadian Technology ›› 2009, Vol. 31 ›› Issue (9): 63-64.

• 技术交流 • Previous Articles     Next Articles

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

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