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Aspects of the smelting of high-vanadium pig iron

  • Science, Techniques, Manufacturing
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Conclusions

The use of CVS in amounts up to 44 kg/ton made it possible to increase the vanadium content of the pig from 0.497 to 0.638% while keeping LV at the usual level (80–82%). An increase in the percentage of CVS in the charge leads to a moderate increase in the manganese content of the pig. There is almost no change in the concentrations of the other elements, except for phosphorus.

Converter slag introduces additional phosphorus into the blast furnace, resulting in an increase in the phosphorus content of the pig iron from 0.038 to 0.043%. The fact that the phosphorus content of the pig in isolated taps was greater than 0.05% can again be attributed to an increase in the amount of phosphorus introduced by the coke and pellets.

The use of CVS makes it possible to moderately reduce the consumption of raw limestone in the blast-furnace charge.

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References

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Authors
  1. R. R. Syrtlanov
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  2. S. S. Bakuma
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  3. Yu. A. Lekontsev
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  4. S. D. Abramov
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  5. S. V. Shavrin
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  6. E. A. Vasin
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  7. V. A. Zavidonskii
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Additional information

Chusovoi Metallurgical Plant, AMI Company, and the Institute of Metallurgy (in the Ural Division of the Russian Academy of Sciences) (Ekaterinburg). Translated from Metallurg, No. 7, pp. 18–20, July, 1999.

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Syrtlanov, R.R., Bakuma, S.S., Lekontsev, Y.A. et al. Aspects of the smelting of high-vanadium pig iron. Metallurgist 43, 310–314 (1999). https://doi.org/10.1007/BF02466998

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  • DOI: https://doi.org/10.1007/BF02466998

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