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Improvement of Technology for Processing Vanadium-Containing Titanomagnetites

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Abstract

The complex of research works carried out by the NTMK team and the leading research teams of UIM, IMET UB RAS and Ural Federal University expanded the theoretical foundations of processing vanadium-containing titanomagnetites. The blast furnaces have achieved a specific productivity of over 3.0 t/m3, which is the best indicator in Russia. Specific fuel and carbon consumption is the best in Russia. The conditions for the operation of blast furnaces, in which the development of carbide formation processes is significantly reduced, have been established. Measures have been implemented that ensure the smelting of cast iron with a low content of silicon and titanium. The main measures are: maximum forcing of the furnace; increased pressure under the mouth; oxygen enrichment of the blast; as well as increasing the rate of filtration through the coke packing by optimizing the properties of the slag and increasing the hot strength of the coke. The introduction of blast-furnace smelting technology with the use of staflux and the injection of pulverized coal has made it possible to reduce the consumption of total carbon in the fuel to 418 kg/t of cast iron.

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Authors and Affiliations

  1. FGAOU VO UrFU, Yekaterinburg, Russia

    S. A. Zagainov

  2. AO Ural Institute of Metalls, Yekaterinburg, Russia

    S. A. Zagainov & L. A. Smirnov

  3. Institute of Metallurgy, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia

    L. A. Smirnov

  4. AO EVRAZ NTMK, Nizhny Tagil, Russia

    P. A. Zazhigaev, K. V. Mironov & A. A. Forshev

Authors
  1. S. A. Zagainov
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  2. L. A. Smirnov
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  3. P. A. Zazhigaev
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  4. K. V. Mironov
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  5. A. A. Forshev
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Correspondence to S. A. Zagainov.

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Translated by S. Avodkova

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Zagainov, S.A., Smirnov, L.A., Zazhigaev, P.A. et al. Improvement of Technology for Processing Vanadium-Containing Titanomagnetites. Steel Transl. 50, 882–887 (2020). https://doi.org/10.3103/S0967091220120177

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