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Using coke fines in the blast furnaces at OAO MMK

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Abstract

The influence of coke quality on its replacement by coke nuts is investigated. Analysis shows that, for coke of higher quality, a greater proportion may be replaced by coke nuts. When coke nuts fines are mixed with ore, the porosity of the batch is not impaired; on charging by means of a separate skip, by contrast, the porosity may be reduced by 5.7—7.6%. Hence, forcing of the furnace process is possible.

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Original Russian Text © S.N. Pishnograev, A.V. Chevychelov, V.A. Gostenin, N.S. Shtafienko, V.P. Gridasov, 2009, published in “Stal,” 2009, No. 10, pp. 6–9.

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Pishnograev, S.N., Chevychelov, A.V., Gostenin, V.A. et al. Using coke fines in the blast furnaces at OAO MMK. Steel Transl. 39, 878–881 (2009). https://doi.org/10.3103/S0967091209100088

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  • DOI: https://doi.org/10.3103/S0967091209100088

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