Directing against the problems of water-wall tube burst and leakage in seal-water tank for a 2100 t/h boiler in one thermal power plant

the cause analysis has been carried out through several means

such as macroscopic examination

chemical composition analysis

mechanical performance analysis

and metallurgical structure analysis etc.. It is considered that the tube burst belongs in stress pull-breakage

and corresponding preventive measures and recommendations having been put forward for the said failures.