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本文介绍了太钢对铁水进行三脱(硫、硅、磷)预处理的65t级专用铁水包顶喷工艺与设备。对全负荷热试车的结果进行了总结,分析了主要喷粉工艺因素对铁水脱硫、脱磷过程的影响,讨论了铁水喷粉处理实践中所暴露出的一些工艺问题,并提出了改进途径。
This paper introduces the technology and equipment of 65t-class dedicated hot metal ladle top spray for Taixing’s hot metal tri-off (sulfur, silicon, phosphorus) pretreatment. The results of the full load heat test were summarized. The influence of the main dusting process factors on the desulfurization and dephosphorization processes was analyzed. Some technological problems exposed during the practice of the hot metal dosing process were discussed and the improvement measures were put forward.