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Effect of Ore and Coal Composition on Romelt Furnace Performance

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The paper provides calculations of the Romelt furnace performance when using iron ores and coals of different composition. It was shown that at a given value of heat flux from the post-combustion zone into slag bath, furnace performance depends not only on the iron content of ore, but also on the fixed carbon content of coal. A regression equation was developed to reflect the dependence of the specific performance on these parameters. It was shown that the coal quality has a greater impact on furnace performance when the iron content of ore is low. It was found that if the iron content of ore increases, a relative decrease in specific consumption of coal and oxygen is the same for all coals. It was shown that the degree of post-combustion of gases weakly depends on the iron content of ore, and is mainly determined by the composition of utilized coal.

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Authors and Affiliations

  1. National University of Science and Technology “MISiS”, Moscow, Russia

    Yu. V. Pokhvisnev, V. S. Valavin & S. A. Makeev

Authors
  1. Yu. V. Pokhvisnev
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  2. V. S. Valavin
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  3. S. A. Makeev
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Correspondence to Yu. V. Pokhvisnev.

Additional information

Translated from Metallurg, Vol. 62, No. 11, pp. 14–19, November, 2018.

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Pokhvisnev, Y.V., Valavin, V.S. & Makeev, S.A. Effect of Ore and Coal Composition on Romelt Furnace Performance. Metallurgist 62, 1092–1099 (2019). https://doi.org/10.1007/s11015-019-00761-7

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  • DOI: https://doi.org/10.1007/s11015-019-00761-7

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