基于在保证足够高的运动相似性下对非旋转气体射流120 t侧项复吹AOD转炉内流体混合特性的研究,利用水模拟研究了套管式螺旋板型喷枪的旋转气体射流下AOD熔池内流体的混合特性.考察了侧吹气体射流的旋转和吹气量(侧吹和顶吹)及相邻两侧枪间夹角的影响.结果表明,在相同的吹气量下,旋转气体射流可提供更强烈的搅拌,提高混合效率.枪间夹角对流体流动和混合有更大的影响.与非旋转侧吹气流下的情况相类似,相邻两侧枪间的夹角由18°增至22.5°有利于熔池内液体的混合.顶吹气体射流会明显降低熔池内液体的混合效果.
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