Development of a quasi-chemical viscosity model for fully liquid slags in the Al2O3-CaO-'FeO'-MgO-SiO2 system.: The experimental data for the 'FeO'-MgO-SiO2′ CaO-'FeO'-MgO-SiO2 and Al2O3-CaO-'FeO'-MgO-SiO2 systems at iron saturation

被引：20

作者：

Kondratiev, Alex ^{[1
]}

Hayes, Peter C. ^{[1
]}

Jak, Evgueni ^{[1
]}

机构：

[1] Univ Queensland, Sch Engn, Pyromet Res Ctr, Ctr Coal Sustainable Dev, Brisbane, Qld, Australia

来源：

ISIJ INTERNATIONAL | 2008年 / 48卷 / 01期

关键词：

slag viscosity; viscosity model; Al2O3-CaO-'FeO'-Mgo-SiO2;

D O I：

10.2355/isijinternational.48.7

中图分类号：

TF [冶金工业];

学科分类号：

0806 [冶金工程];

摘要：

A structurally-based quasi-chemical viscosity model has been developed for the Al2O3-CaO-'FeO'-MgO-SiO2 system. The model links the slag viscosity to the internal structure of melts through the concentrations of various anion/cation Si0.5O, Me2/nn+O and Me1/nn+Si0.25O viscous flow structural units. The concentration I In of structural units are derived from the quasi-chemical thermodynamic model. The focus of the present paper is the analysis of experimental data for fully liquid slags in the 'FeO'-MgO-SiO2, CaO-'FeO'-MgO-SiO2 and Al2O3-CaO-'FeO'-MgO-SiO2 systems in equilibrium with metallic iron. Model parameters for the quasi-chemical viscosity model for the system Al2O3-CaO-'FeO'-MgO-SiO2 are presented. The model has been optimised for the whole composition range at temperatures between 1 423 K and 1 873 K.

引用

页码：7 / 16

页数：10

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