Huadian Technology ›› 2011, Vol. 33 ›› Issue (5): 5-7.

• 专题综述 • Previous Articles     Next Articles

Analysis on blade fall off accident of induced draft fan of power plant boiler

HU Zhijie   

  1. Huadian Qingdao Power Generation Corporation Limited, Qingdao 266031, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-05-25 Published:2011-05-25

Abstract: Due to continuous resonance, the fan blades of Huadian Qingdao Power Generation Corporation Limited were damaged, and this caused serious accident. Based on analysis, main reasons of the accident were found, and the method and measures to prevent similar accident were given.

Key words: induced draft fan, frequency converter, resonance, frequency, accident