高炉高铝炉渣性能研究
Shandong Metallurgy(2006)
Abstract
通过高炉现场取样和实验室配制渣样,研究了炉渣中Al2O3、MgO、R(2CaO/SiO2)、R(4(CaO+MgO)(/SiO2+Al2O3))等对炉渣性能的综合影响。结果表明,随着高炉终渣Al2O3含量的提高,炉渣的熔化性温度上升、高温粘度增大、热稳定性变差、脱硫能力下降。较高的MgO含量与高的四元碱度R4可降低炉渣高温粘度、降低熔化性温度、拓宽高温低粘度区,提高炉渣脱硫能力。根据原料情况,马钢高炉炉渣Al2O3可达到17%左右,为马钢高配比使用外购高铝矿提供了依据。
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Key words
basicity,aluminous slag,aluminous ore,blast furnace,Al2O3
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