高炉块状带烧结矿破损机制研究

来源期刊：钢铁2011年第6期

论文作者：杨改彦 方觉 时国松 高艳甲 辛红艳 董建君

文章页码：23 - 25

关键词：烧结矿； 强度； 正硅酸钙； 铁酸钙

Key words：sinter； strength； calcium orthosilicate； calcium ferrite

摘    要：主要研究了烧结矿在高炉块状带的破损机制。对于高碱度烧结矿,铁酸钙和赤铁矿的还原消失对烧结矿强度的影响是正硅酸钙相变的两倍以上;对于自熔性烧结矿和酸性烧结矿,由于矿物组成中极少甚至不含有正硅酸钙和铁酸钙,所以其强度只受赤铁矿还原消失的影响。

Abstract: The sinter degradation mechanism in lump zone of BF was investigated.As to high basicity sinter,the influence of the reduction disappearance of calcium ferrite and hematite on sinter strength is twice higher than the phase transition of calcium orthosilicate.For self-fluxing sinter and acid sinter,there is little or even no calcium orthosilicate and calcium ferrite in mineral composition.Therefore,the sinter strength is only affected by the reduction disappearance of hematite.