安钢第二炼轧厂钢包吹氩优化.pdf

2010特钢年会论文集 2010年10月安钢第二炼轧厂钢包吹氩优化张鹏1程树森1毛尽华2郭永谦2 (1北京科技大学冶金与生态工程学院,100083;2安阳钢铁公司,455004) 摘要:本文依据安阳第二炼轧厂生产实际,建立了钢包吹氩过程中钢液、渣、氩气的二相三维非稳态流动物理模型和数学模型1。应用多相流VOF模型和k一占双方程湍流模型进行求解计算。计算得出吹气量为 lOONL/min时, m/s, m/s,并规定钢包内速度小于此值的区域为死区。计算结果显示,吹氩气量从100 NIJmin增加到400NL/min时,单透气砖钢包内死区比例从 %%, m,%%:总吹气量为300 NL/min时, m的渣眼与实际吻合较好。关键词钢包吹氩;数学模型;三相流; Optimization ofArgon GasInj ection inLadle Furnace at Anyang and Rolling Plant ZHANG Pen91,CHENG ,MAO ,GUO (1 School ofMetallurgical and Ecological ofScience and Technology Beijing,Beijing 00083,China; 2Anyang Ironand steelIne.,Anyang 455004,China) Abstract:In thispaper,the physical and mathematical models are developed to simulate the transient three-dimensional and three-phase flow in an argon gas bottom stirring ladle atAnyang and volume offluidmethod and the Ji}一占turbulent model are applied putation. 而e velocity ofthefluidobtained from the resultsinthe ladle approximately acriticalvelocity whose value used todefinitethestagnant results show thattheproportion ofthestagnant zone decreases %%and thediameter oftheslageye changes from when theflow rateofargon gas variesfrom 00 to400