Huadian Technology ›› 2011, Vol. 33 ›› Issue (4): 44-46.

• 技术交流 • Previous Articles     Next Articles

Analysis on cracks of water wall in 1 000 MW ultrasupercritical towertype oncethrough boiler and treatment

TANG Haoyi,SHENG Weimin   

  1. Zhejiang Thermal Power Construction Company, Hangzhou 310006, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-04-25 Published:2011-04-25

Abstract: The type of the cracks of water wall, the material of which is T23 steel, in 1 000 MW ultrasupercritical towertype oncethrough boiler in a power plant was introduced; and the structure of leakage fault position was described. The reasons of the cracks were analyzed; and effective solution was put forward.

Key words: once-through boiler, water wall, crack, reason analysis, treatment measure