高炉风口喂钛线是维护炉缸局部侵蚀部位的措施之一.采用数值模拟方法分析了喂钛线后炉缸铁水中钛化物的迁移规律,讨论了喂入位置对护炉效果的影响.计算结果表明:不同喂入位置条件下,钛化物的迁移路径和分布相差很大.当风口喂入位置距铁口较远时,钛化物在炉缸侧壁、炉缸底面上均有分布,有利于维护对应位置的炉缸侧壁、炉底侵蚀区域;喂线位置距铁口较近时,可维护炉缸侧壁区域,较难保护炉底部位.由此可见,应综合考虑侵蚀部位、铁口位置特点,选择最佳喂线护炉位置.模拟结果为生产实践所验证,表明数值模拟方法可作为选择护炉方式、优化喂线位置的参考依据.
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