Huadian Technology ›› 2012, Vol. 34 ›› Issue (12): 36-37.

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Analysis on reason of accident of Heller indirect aircooling system and treatment

WU Henggang, WANG Zhong’ao, LU Xudong   

  1. Guodian Research Institute of Science and Technology, Nanjing 210031, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2012-12-25 Published:2012-12-25

Abstract: Taking the 660MW indirect aircooled unit in a power plant as an example, the two accidents of aircooling system occurred in system operation were analyzed. The operation characteristics and matters needing attention of the indirect aircooling system were expounded. The measures were given when the circulating pump of the indirect aircooling system had tripped or the circulating water had been cut off, and the safety of the unit operation was improved.

Key words: Heller air-cooling system, indirect air cooling, circulating pump, trip, accident analysis