Huadian Technology ›› 2010, Vol. 32 ›› Issue (2): 44-45.

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Cause analysis of doublestages axialflow primary fan blades drifting

QIAN Hongxiang   

  1. Guangdong Pearl Delta Electric Power Engineering Technology Corporation Limited,Taishan 529228, China
  • Received:1900-01-01 Revised:1900-01-01 Published:2010-02-25

Abstract: The causes of stall and surge of axialflow fan during practical operating were analyzed, and the reasons of blade drifting of double stages axialflow primary fan of 600MW unit in operation were discussed. The problems needing attention in overhaul were pointed out, and relevant solving measures were given.

Key words: axial flow fan, blade drift, stall, surge