Huadian Technology ›› 2009, Vol. 31 ›› Issue (8): 4-8.

• 专题综述 • Previous Articles     Next Articles

Analysis of fuel oil system fault in ultrasupercritical boiler

YIN Minquan,YIN Jun,GUO Jingchang,CHANG Bin,SUN Lei   

  1. Zouxian Power Plant, Huadian Power International Corporation Limited, Zoucheng 273422, China
  • Received:1900-01-01 Revised:1900-01-01 Published:2009-08-25

Abstract: The oil feed pump and fuel oil system of the ultrasupercritical boiler in Huadian International Zouxian Power Plant project phase IV were put in operation in 2007. Since then some faults were occurred which includes the frequent oil leakage of oil gun, the higher returnedoil temperature of oil feed system, jam of oil gun and ignition rod and etc. The reasons of these faults were analyzed from system location, structure of equipment, design, installation, operation, maintenance and other aspects. Combining with the experience obtained from accomplished improvement and reformation, some preventive measures and proposals were put forward.

Key words: oil gun, fuel oil system, jam, oil leakage, reason analysis