This paper briefly introduces the various methods of the hot metal desulphurization pretreatment and the problems of hot metal resulphurization after the desulphurization pretreatment.

• 介绍了铁水脱硫预处理的各种方式和脱硫铁水回硫存在问题。由于鱼雷罐细长形结构,其熔池浅,两端存在死区,所以也存在脱硫铁水回硫情况。