The research and practice results of ladle desulphurization of 35t converter show that the ladle desulphurization percent can reach 40% and more by using complex desulphurizing slag system.

• 对35t转炉钢包脱硫进行研究和实践,结果表明:采用复合脱硫渣系,钢包脱硫率达到40%25以上。