介绍Al2O3对高炉炉渣和烧结矿的影响作用，分析认为，高炉终渣中Al2O3含量增至17％，高炉冶炼仍是可行的。合理配料，改进工艺，可克服原料中Al2O3的提高对烧结带来的负面效应。
The influence action of Al2O3 on BF slag and sinter was introduced．It was considered through analysis that the ironmaking in blast furnace was still feasible while the Al2O3 content in end slag reached 17％．The negative effect on sintering caused by increased Al2O3 content in raw material could be overcome by reasonable proportioning of sintering mixture and improved technology．
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