The bell annealer of Masteel is all-hydrogen type.Causes of the burner equipment failure and the effect on the bell annealing production are analyzed.

• 马钢第一钢轧总厂罩式退火炉为全氢罩式退火,本文就罩式退火炉设备故障的产生原因以及故障对于罩式退火质量的影响做出分析。