Huadian Technology ›› 2012, Vol. 34 ›› Issue (4): 39-41.

• 技术交流 • Previous Articles     Next Articles

Preventive measures of ‘four pipes’ leakage of boiler

WANG Xiaoli   

  1. Heilongjiang No.3 Thermal Power Construction Corporation, Harbin 150016, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2012-04-25 Published:2012-04-25

Abstract: In the installation and commissioning operation of the 1900t/h supercritical boiler of unit No.5 in Pingdingshan Yaomeng Power Plant, the ‘four pipes’ leakage was prevented successfully. Taking this project as example, the quality control in installation process, the operation control strategy in period of the whole unit starting up and the problems occurred in early operation period were analyzed, which provides certain reference for similar units.

Key words: supercritical unit, boiler, ‘four pipes’ leakage, prevention