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The use of Kachkanar raw materials in the smelting of conversion pig iron

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Abstract

The Chelyabinsk Metallurgical Combine has periodically used Kachkanar agglomerate to make conversion pig iron since 1972. Use of this material reached a peak in 1998, when it comprised an average of 27.1% of the charge. In some months, the amount of this material charged into the furnace reached highs of 45.6 and 74.1% on certain furnaces. The coolers on the iron notches of furnaces 4 and 5 burned during that year, the quality of the smelting products and the condition of the ladles rapidly deteriorated, and the smelting rate declined. No Kachkanar agglomerate was used in 2000–2001, but it was again added to the charge in February 2002. The amount used was smaller than previously, averaging 10.7% for the shop as a whole. It was determined that using a charge with 15% Kachkanar agglomerate has both positive and negative consequences.

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References

  1. S. K. Nosov, V. V. Filippov, and S. V. Shavrin, “Problems in the blast-furnace smelting of titanomagnetites and ways of solving them,” Stal’, No. 6, 6–9 (2003).

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  3. G. V. Gorbunov, M. E. Polushkin, Yu. A. Milikhin, and N. V. Panishev, “Experience with the smelting of Kachkanar iron-ore-based materials in blast furnaces at the Magnitogorsk Metallurgical Combine,” in: The Production of Pig Iron [in Russian], Sverdlovsk (1987), pp. 33–35.

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Authors and Affiliations

  1. Chelyabinsk Metallurgical Combine, Chelyabinsk

    A. L. podkorytov, G. V. Gorbunov, N. F. Kochergina & V. A. Andreev

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  1. A. L. podkorytov
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  2. G. V. Gorbunov
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  3. N. F. Kochergina
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  4. V. A. Andreev
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Additional information

N. N. Gorshkov, A. V. Denisov, and V. Kh. Barinov also participated in this study.

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Translated from Metallurg, No. 3, pp. 43–45, March, 2006.

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podkorytov, A.L., Gorbunov, G.V., Kochergina, N.F. et al. The use of Kachkanar raw materials in the smelting of conversion pig iron. Metallurgist 50, 124–127 (2006). https://doi.org/10.1007/s11015-006-0050-5

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  • DOI: https://doi.org/10.1007/s11015-006-0050-5

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