基于炉渣结构的共存理论,建立了MnO-SiO2-Al2O3 三元渣系作用浓度的计算模型,考察了影响MnO作用浓度的影响因素.结果表明:模型计算所得的MnO作用浓度值NMnO与文献实测值αMnO(exp)非常吻合,且计算精度要高于正规溶液模型获得的计算值αMnO(cal),说明该模型能够反映该渣系的结构本质.利用此模型可以很好地预测Mn/Si脱氧钢的夹杂物成分,为生产高质量的帘线钢提供热力学参考.
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