摘要
以120 t顶底复吹转炉为原型进行溅渣动力学冷态模拟研究,通过顶吹气体流量、熔渣黏度、枪位和留渣量的单因素试验及正交试验,得到各因素对溅渣的不同影响。使用极差和方差分析确认各因素对炉衬的溅渣密度影响顺序为:顶吹气体流量>熔渣黏度>枪位>留渣量,并得到最优化试验方案为溅渣枪位160 mm,顶吹气体流量51 m3/h,熔池留渣量12%,熔渣黏度0.000 89 Pa.s,此时所得溅渣密度为23.07 g/(m2.s)。该结果在天津钢铁集团有限公司得到应用,取得了很好的经济效益和冶金效果。
Cold-model simulation experiments on slag splashing in a 120 t top-bottom combined blowing converter were carried out. By measuring singer factors （e. g. top- blowing gas flowrate, slag viscosity, lance height and slag amount）, along with orthog- onal test, the optimal parameters were obtained. The order of the factor that affect slag splashing was obtained through the range and variance analysis, which is top-blowing gas flowrate 〉 slag viscosity 〉 lance height 〉 slag amount. Finally, the optimized ex- perimental program is that： lance height is 160 mm, top-blowing gas flowrate is 51 m3/h, slag amount is 12 %, slag viscosity is 0. 000 89 Pa.s,and the splashing density obtained is 23.07 g/（m2 .s）. It is applied in Tianjin Iron and Steel Group Co. ,Ltd. , and satisfied result is achieved.
出处
《炼钢》
CAS
北大核心
2013年第3期1-5,共5页
Steelmaking
基金
国家自然科学基金项目(51174008
21106167)
天津市重大科技攻关项目(07ZCKFGXD3800)
博士后科学基金资助项目(2012M510552)
关键词
转炉
溅渣
冷态模拟
顶底复吹
动力学
converter
slag splashing
cold-model
combined blowing
dynamics
