摘要
通过研究选择适合的RH脱硫剂及相关工艺参数控制,RH脱硫剂的脱硫效率平均为30%,达到了较好的脱硫效果。试验炉次T[O]和[N]也控制较好。试验发现钢包进站顶渣的(FeO+MnO)含量控制在12%以下,脱硫效果较好;增大脱硫剂中CaO含量有利于脱硫。试验中存在RH插入管、真空室底部及钢包内衬耐火材料的侵蚀较为严重的问题,需选择碱性耐火材料。
Sulfur is a kind of harmful element in steel,and it is beneficial to molten steel to control the content of sulfur.On the basis of research,suitable desulfurizing agent and process parameters were chosen.The results of industrial test show that the average desulfurization efficiency is as high as 30%.In addition,there is a good result of T control as well.With this testing program,the total content of FeO and MnO in ladle slag is bellow 12%,and it is beneficial to desulfurization.Increasing the content of CaO in desulfurization is conducive to desulfurization.On the other hand,There exists a serious problem in the test,and it is the erosion of RH immersion tubes,bottom of vacuum chamber,and refractory of ladle lining.In order to avoid or decrease this problem,basic refractory must be chosen.
出处
《四川冶金》
CAS
2011年第5期11-14,共4页
Sichuan Metallurgy
