LBE-LF-CSP低碳铝镇静钢脱氧工艺优化实践

China Metallurgy(2011)

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Abstract
针对邯钢三炼钢厂冶炼CSP低碳铝镇静钢时终点氧质量分数较高,原铝锭脱氧工艺铝吸收率低、进站Als不稳定、综合成本较高等问题,通过深入研究、分析及试验,在转炉工序采用钢砂铝脱氧剂代替铝锭优化出钢脱氧工艺。经过9号、4号转炉1个月的生产实践,取得了良好的实用效果:转炉出钢脱氧铝吸收率及稳定性明显提高,精炼工序负担减轻,成品Als控制水平明显提高,综合铝制品成本降低了1.13元/t。
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Key words
steel grit aluminum,low carbon steel aluminum-killed,technology research,deoxidization
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