Huadian Technology ›› 2012, Vol. 34 ›› Issue (3): 57-59.

• 技术交流 • Previous Articles     Next Articles

Analysis and preventive treatment of crack and leakage of ‘four pipes’ in large thermal power unit

LI Bing, LIU Xiaoyun   

  1. Guangdong Dongguan Shajiao C Power Plant, Dongguan 523936, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2012-03-25 Published:2012-03-25

Abstract: The crack and leakage of the ‘four pipes’ of the 660MW thermal power unit in Shajiao C Power Plant were introduced. The reasons of crack and leakage of the ‘four pipes’ were analyzed in detail. From the angles of the boiler pipe overhaul and the defect management, some targeted preventive treatment measures were given.

Key words: large thermal power unit, crack and leakage of ‘four pipes’, defect management