钢包渣处理技术和底吹氩参数优化

LADLE SLAG TREATMENT TECHNIQUE AND OPTIMIZATION OF BOTTOM ARGON BLOWING PARAMETERS

在钢包中加入精炼渣可使钢包渣中Σ(FeO+MnO)≤264%,碱度平均提高121;钢包底吹氩参数控制在流量8～12Nh,吹氩时间大于5min时,可使钢水中T[O]含量平均降低2588%。

Asrefiningslagisfedintoladle,Σ(FeO +MnO)≤ 2 64 %intheladleslagisachievedand slagbasicityisincreasedby 1.2 1onanaverage.Whenparametersofladlebottomargonblowingiscon trolledto 8～ 12N hflowrateandargonblowingtimeisover 5min,T〔O〕inmoltensteelwillbe decreasedby 2 5 .88%onanaverage.