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介绍了在宝钢炼钢厂ＲＨ处理低碳铝镇静钢钢中夹杂物演变的情况，讨论了钢水循环速度、处理时间对夹杂物去除的影响，并得到了为达到目标总氧量确定ＲＨ处理合理工艺参数的图解法。
The evolution of inclusions in RH treated low carbon aluminum killed steel at Baosteel Steel Works was introduced. The effects of the molten steel circulation velocity and treatment time on the inclusion removal were discussed. The optimum RH treatment for achieving the target total oxygen was obtained Graphic method of process parameters.