The tube-burst of rear plate superheater of 600 MW power units boiler of a thermal power plant occurred.The explosion tube shape,room temperature tensile test,microstructure,oxide XRD for tube sample of boiler rear plate superheater,contrast tube sample and rear plate superheater preparation tube sample were carried out and analyzed.The overtemperature record and operating parameters of rear plate superheater were analyzed.The results show that,the main reason for the tube burst is the serious overheating of the tube during the service.
rear plate superheaterblasting tubeserious over heating
NETL
NSTL
万方数据
