Conclusions
Investigations have been made of the resistance of ShPD-41, ShPD-39, and ShUD-37 chamotte refractories to the action of K2CO3, Fe2O3, blast furnace dust, and initial and final blast furnace slags under conditions of an oxidizing atmosphere. The investigation results showed that iron oxides and slag break down these refractories at 1400–1500°C. Dense ShPD-41 refractory is more resistant to the action of the reactants.
The most resistant to the action of slags and iron oxides at 1400–1500°C are silicon carbide refractories with binders of silicon nitride and oxynitride.
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Translated from Ogneupory, No. 7/8, pp. 24–27, July–August, 1992.
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Pitak, N.V., Shapovalov, V.S., Azarenkova, L.E. et al. Resistance of blast furnace refractories to the action of aggressive reactants under conditions of an oxidizing gaseous atmosphere. Refractories 33, 389–393 (1992). https://doi.org/10.1007/BF01283305
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DOI: https://doi.org/10.1007/BF01283305