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Influence of size changes of imported ore fines on sintering properties
Pages: 1-3,11
Year: Issue:  2
Journal: Research on Iron and Steel

Keyword:  imported orescoarser sizesintering properties;
Abstract: 近年来进口铁矿粉质量日趋劣化,马钢烧结所用A粉、B粉、F粉和H粉粗粒级+6.3mm部分增加趋势明显。烧结试验研究表明:进口粉矿中+6.3mm粒级增加后,烧结料层的原始透气性变好,利用系数和烧结速度均有所改善,烧结矿成品率、强度则在一定的粒级组成下有所改善;粒度继续变粗后,成品率和转鼓强度反而变差。采取适当降低混合料水分、保持或略增焦粉配比等措施,有利于烧结矿成品率和转鼓强度指标改善。
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