MnO-SiO2渣系作用浓度的计算模型

根据炉渣结构的共存理论用回归分析法确定了MnSiO₃和Mn₂SiO₄是存在于MnOSiO₂渣系中且参加其内部化学反应的组元。由此得出本渣系的结构单元为Mn²⁺,O^2-简单离子和SiO₂,Mn₂SiO₃,Mn₂SiO₄分子,进而推导出本渣系各组元作用浓度的计算模型。
在1600℃下计算的N_MnO与实测a_MnO一致;但在高MnO含量和低温度下两者间表现出差别,这是由于MnO-SiO₂渣系中出现两相共存的现象,使系统远离平衡所致。

Calculating Model of Mass Action Concentrations for the Slag System MnO-SiO2

In accordance with the coexistence theory of slag structure and by means of regression analysis,the presence of MnSiO₃ and Mn₂SiO₄ in the slag system MnO-SiO₂(and that both of them take part in the reaction of this system) has been determined,therefore the structural units of this system can be expressed as simple ions Mn²⁺O^2-and molecules SiO₂,MnMnSiO₃,Mn₂SiO₄ and the calculating model of mass action concentrations can also be written.
At 1600℃ the calculated values of N_MnO are identical with the measured α_MnO,but the differences; between them at high concentrations of MnO and ower temperatures are due to the coexistence of liquid and solid in the slag system MnO-SiO₂,which makes it departure from equilibrium.