转炉冶炼高磷铁水技术研究

On the Research of Smelting Technology of High Phosphorus Hot Metal by Converter

介绍了莱钢炼钢厂在冶炼高磷铁水过程中的一系列技术改进,通过研究开发全留渣预热石灰冶炼技术,在无脱磷预处理的条件下,成功解决了高磷铁水冶炼过程中钢水磷成分控制问题,转炉脱磷率达到85.18%.

A series of technology improvement within the smelting process of high phosphorus hot metal in the steelmaking plant of Laigang were introduced, and through developing the complete slag remaining preheating lime smelting technology, the problem about the control of phosphorus in molten steel was suc- cessfully solved without dephosphorization pretreatment, and the dephosphorization rate of converter reached 85.18%.