【摘要】 本文用混料回归设计来进行高炉MgO渣性能的研究。MgO对熔化性温度的影响由Al₂O₃决定。碱度和MgO量的增加,使炉渣熔化性温度升高。对一定的Al₂O₃相应有一最大允许MgO量。CaO和MgO对脱硫效果的置换关系由SiO₂来决定。当SiO₂>41.1％,用MgO代替CaO,L_s增大,反之则不然。高炉合适MgO渣可根据高A1₂O₃、高MgO,高Al₂O₃、低MgO,低Al₂O₃、高MgO等生产条件配合选定。更多还原

【Abstract】 This study was carried out by applying the regression design with mixed burden in blast fur-nace.The influence of MgO content on the fusion temperture of slag is determined by Al₂O₃ conte-nt.The fusion point of slag increases with slag basicity and MgO content.For certain Al₂O₃ cont-ent in slag there is an allowable maximum MgO content correspondently.The replacement effect ondesulphidation of CaO and MgO is dependent on SiO₂ content in slag.If MgO were used instead ofCaO,L₃ would have been increased.When SiO₂ content in slag is>41.1％,the opposite is not true.The appropriate MgO content in the blast furnace slag is determined by local operating conditions,such as high Al₂O₃,high MgO;high Al₂O₃,low MgO,or low Al₂O₃,high MgO.更多还原