Abstract: Effect of process factors oxygen supply rate and lance level on bath stirring, spitting and penetrating depth for 300 t converter melting has been simulated and studied by 1 • 13 water model. The water model test results showed that as Fr was controlled within 113. 1 and lance level was maintained at 0. 167 m (corresponding 300 t converter lance level 2. 17 m), mixing time of bath reduced, spitting decreased during blowing, and better bath stirring effect was got with shallow penetrating depth to be available to decrease impact strength on furnace bottom.

摘要： 以1:13水力学模型模拟研究300 t转炉冶炼时,氧枪供氧量、枪位等工艺因素对转炉熔池的搅拌、喷溅、穿透深度的影响。水模型实验结果表明:当弗鲁德准数控制在113．1,枪位在0．167 m (相当于300 t转炉的枪位2．17 m)时,搅拌均匀时间短,吹炼时喷溅少;而且较浅的熔池冲击深度就可以达到良好的搅拌效果,有利于减少对炉底的冲击。

关键词: 转炉, 水力学模型, 吹炼