为考查提高喷煤量对焦炭在炉内劣化的影响,在宝钢高炉上进行了风口取样研究.结果表明,喷煤量达到200 kg/t以上时焦炭劣化严重.高炉生产实绩回归显示,焦炭的热性能对高炉透气性的影响比冷强度显著.分析认为焦炭热性能指标CRI、CSR对高炉高煤比操作更重要.借此还提出了提高喷煤量和改善焦炭质量需加强研究的课题.
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