It is changed from metal burner to ceramic burner,from cylinder burner to rectangular burner.The hot blast temperature is higher and higher.

• 本钢热风炉用燃烧器由金属燃烧器到陶瓷燃烧器,由套筒式陶瓷燃烧器到矩型陶瓷燃烧器的应用过程,风温水平上了一个台阶。