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对包钢烧结矿粒度组成进行了研究．试验结果表明，硼泥对提高包钢烧结矿粒度有较明显的效果；氧化活性剂效果更明显，能改善烧结矿矿物组成，促使铁酸钙生成，使烧结矿中40～25mm粒级提高了11．6％，10～6mm粒级降低了21.6％。
The particle size composition of Baotou sinter was studied. The results showed that boron mud had a significant effect on improving the particle size of sinter of Baotou Steel. The effect of oxidizing agent was more obvious, which could improve the mineral composition of sinter and promote the formation of calcium ferrite, which increased the grain size of 40-25 mm in sinter 11.6%, 10 ~ 6mm grain size decreased by 21.6%.