Huadian Technology ›› 2010, Vol. 32 ›› Issue (10): 4-5.

• 专题综述 • Previous Articles     Next Articles

Online treatment measures of leakage in boiler economizer of power plant

MIAO Hongjun1,XIAO Yusheng1,WANG Wei2   

  1. 1.Machine Repair Shop, Coal and Chemical Project Preparatory Office, Hemei Company, Henan Coal Chemical Industry Group Corporation Limited, Hebi 458000, China; 2.Thermal Power Project Group, Henan Gold Earth Chemical Industry Corporation Limited, Luohe 462400, China
  • Received:1900-01-01 Revised:1900-01-01 Published:2010-10-25

Abstract: The leakage fault was occurred in boiler No.5 economizer in the power plant of Hemei Company of Henan Coal Chemical Industry Group Corporation Limited, and the unit safe operation was impacted seriously. The online treatment method of economizer leakage was analyzed, and it was determined to adopt the measure of leaking stoppage with pressure. After the measure was implemented, the operation result shows that the continuous safe and economical operation of the boiler was realized. The method can be used as reference for the power plants being faced with similar problems. 

Key words: economizer, heat-absorbing surface, leakage, leaking stoppage with pressure, on-line treatment measure