Conclusions
Converter slags based on a tar binder are located in the following order with respect to the increase in the degree of impregnation with slag: dolomite→dolomite-magnesite→magnesite. The greater degree of impregnation of magnesite refractories is due to recrystallization of the periclase grains, accompanied by an increase in their size, by saturation with magnesioferrite, and by dilatation of the reaction zone of the refractory.
The degree of impregnation of the refractory with slag increases with the open porosity of the material and its impurity content.
The presence of a coke residue in tar-bound and pitch-impregnated roasted refractories reduces their impregnation by fused slag.
Converter refractories are located in the following order with respect to the degree of influence of preliminary heat treatment on the increase in the penetrability by slag: roasted, pitch-impregnated →heattreated→carbonized→roasted.
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Translated from Ogneupory, No. 12, pp. 30–34, December, 1980.
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Prokhorova, I.Y., Novikova, O.V. Interaction of basic refractories with converter slag. Refractories 21, 642–645 (1980). https://doi.org/10.1007/BF01398339
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DOI: https://doi.org/10.1007/BF01398339