180t转炉底吹气体与熔池相互作用的水模型实验  

Water Modelling Test on Interaction between Bottom Injection Gas and Bath for an 180 t Converter

作　　者：包丽明[1] 刘坤[1] 吕国成[1] 苏东磊[1] 

机构地区：[1]辽宁科技大学材料学院,鞍山114044

出　　处：《特殊钢》2008年第2期18-20,共3页Special Steel

基　　金：国家自然科学基金(50574007)

摘　　要：通过10:1水模型研究了转炉底吹流量0.55～0.75 m^3/h和底吹喷嘴4孔对称、2孔对称、2孔不对称分布以及喷嘴位置d/D=0.1～0.9(d-喷嘴所在同心圆直径,D-转炉熔池直径)对熔池均混时间的影响。结果表明,d/D=0.3,底吹流量0.70 m^3/h,4孔对称底吹时熔池搅拌效果最佳;2孔不对称喷吹时,最佳流量为0.60～0.70 m^3/h,最佳喷嘴位置d/D=0.3～0.5;2孔对称喷吹时最佳流量与喷嘴位置分别为0.65 m^3/h和d/D=0.7。The effect of converter bottom gas flow rate 0. 55～0. 75 m^3/h, distribution of bottom nozzle with 4 hole symmetry, 2 hole symmetry and 2 hole nonsymmetry and blowing location diD = 0. 1 - 0. 9 （ ddiameter of concentric circles of located nozzle; D- diameter of converter bath） on bath mixing time has been studied by 10 ： 1 water modelling. Results showed that the stirring effect for 4 hole symmetry bottom blowing with diD = 0.3 and flow rate 0.70 m^3/h was optimum, the stirring effect for 2 hole symmetry bottom blowing with 0.60 ～ 0.70 m^3/h and diD = 0. 3 ～ 0. 5 was optimum, and that for 2 hole non-symmetry was respectively 0.65 m3/h and d/D = 0. 7.

关 键 词：180 t转炉 底吹气体流量 喷嘴位置 均混时间 水模型 

分 类 号：TF713[冶金工程—钢铁冶金]