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采用水力模型的研究方法，针对马钢50t转炉溅渣护炉工艺进行了冷态模拟实验，得出的优化工艺参数为：高温溅渣，枪位为1600～1800mm，喷吹氮气的流量在11500NmVh以上，喷吹压力控制为1．0MPa。
Based on the research of hydraulic model, a cold simulation experiment was carried out on the slag splashing protection technology of 50t converter in Maanshan Iron and Steel Co., Ltd. The optimized technological parameters were as follows: high temperature slag splashing, 1600 ~ 1800mm gun position, nitrogen flow rate at 11500NmVh Above, the injection pressure control is 1.0MPa.