废弃镁碳砖在中间包干式料中的应用研究
Metallurgical Collections(2011)
Abstract
将整形和未整形的两种废弃镁碳砖回收颗粒(3~1mm)部分取代中档烧结镁砂颗粒(3~1mm)用于中间包干式料,研究了两种颗粒加入量的不同对干式料性能的影响。结果表明:整形和未整形颗粒均可用于中间包干式料,整形后颗粒加入量不宜超过30%,未整形颗粒加入量不宜超过15%。将添加30%整形颗粒的中间包干式料用于转炉中间包,可满足现有连铸工艺要求,达到原有干式料的使用效果。
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Key words
waste MgO-C brick,tundish dry material,shaped
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