Vol.20 No.3 王安仁等：转炉溅渣护炉模拟研究 ·237· (⑤)炉渣温度过高，流动性太好，溅起的炉渣摊以凝结在炉衬上， 参考文献 I Charles J Messin.Slag Splashing in the BOF-Worldwide Status.Practices.and Results.Iron and Steel Engineer.1996.7(5):17 2 Goodson K M,Donaghy N.Russell R O.Furnace Refractory Maintance and Slag Splashing.Iron and Steel Maker,1995.2(6):31 3李建民，李道明.转炉暖渣护炉工艺研究与应用.太钢科技，19971：12 4屠宝洪，李京社，转炉溅渣护炉技术.炼钢，1997(2)：29 Simulation on Slag Splashing for LD Converter Wung Anren Yang Shuli Ti Baohang Metallurgy School.UST Beijmg.Beijing 100083.China ABSTRACT Several parameters affecting slag splashing in LD converter have been discussed.Using paraffin and starch model,a simulated test about 30t converter has been made in laboratory and the modified Froude number was chosen as the main similar basis of the system.It was results that the optimized slag splashing parameters was obtained through data treatment.The nitrogen gas flow rate is about 8 500 m'/h,the splashing time is of 3 min,and the lance height is of 0.8 m.It is necessary to add MgO or carbon into the slag to adjusting slag composition.Also,it is difficult for the splashed slag condensing on the line when the slag temperature is much higher. KEY WORDS converter;slag splashing;simulating