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Viscosity of the Oxide Solutions Based on Silicon Dioxide and Formed upon Melting of Heat-Insulating and Slag-Forming Izoterm-1600 Materials in Metallurgical Units

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Abstract

Measurements are performed and new data are obtained on the viscosities of the solutions formed by the inorganic ingredients of heat-insulating and slag-forming Izoterm-1600 materials based on volcanic silicon dioxide in a liquid phase in the temperature range 1525–1700°C. The influence of the total concentration of basic oxides FeO, MgO, CaO, K2O, and Na2O and the amphoteric Al2O3 oxide on the viscosity of the oxide solution is studied. The concentration–temperature change in the viscosity of the multicomponent oxide solution is described by linear and exponential laws. The obtained dependences make it possible to predict and calculate the viscosity in a low-temperature region. The dependence of the viscosity of the oxide solution on the total concentration of basic oxides and amphoteric Al2O3 is shown to be satisfactorily described by a linear law.

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  1. OOO OgneuporTreidGrupp, Moscow, Russia

    S. K. Vil’danov

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  1. S. K. Vil’danov
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Correspondence to S. K. Vil’danov.

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Translated by K. Shakhlevich

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Vil’danov, S.K. Viscosity of the Oxide Solutions Based on Silicon Dioxide and Formed upon Melting of Heat-Insulating and Slag-Forming Izoterm-1600 Materials in Metallurgical Units. Russ. Metall. 2020, 1032–1037 (2020). https://doi.org/10.1134/S0036029520090153

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