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Metallurgist
Published in: Metallurgist 1-2/2014

01-05-2014

Technological Assessment of the Romelt Process in the Classic and Two-Zone Variants

Authors: V. A. Romenets, V. S. Valavin, Yu. V. Pokhvisnev

Published in: Metallurgist | Issue 1-2/2014

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Abstract

It is shown that the new bubble-based technologies being proposed in ferrous metallurgy are modifications of the existing Vanyukov and Romelt processes. The technological indices of the Romelt process in the one-zone (classic) variant are compared to the corresponding indices in the two-zone variant, and calculations are performed to determine the thermal and material balances of the classic Romelt furnace and both zones of the two-bath furnace. It is established that the unit amounts of charge materials and energy carriers consumed in the recycling of converter sludge is the same in each variant. The article describes ways in which the two-zone Romelt technology can be used efficiently.
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Footnotes
1
This was the size of the melting zone of the two-zone furnace at the Yuzhuralnikel combine [14] when it was producing roughly 42 tons of sinter per hour.
 
2
The value reached on the pilot Romelt furnace [17].
 
Literature
1.
V. A. Romenets (ed.) et al., The Romelt Process [in Russian], Ruda i Metally, Moscow (2005).
2.
V. S. Valavin, Yu. V. Pokhvisnev, and S. A. Makeev, “Calculation of coal consumption in the two-phase Romelt reduction process,” Proc. 4th Int. Sci.-Techn. Conf. Furnaces and Energy-Saving Technologies in Metallurgy and Machine Construction, MISiS, Moscow (2008), pp. 108–115.
3.
V. A. Romenets, V. S. Valavin, Yu. V. Pokhvisnev, et al., “Use of the innovative Romelt technology to recycle iron-bearing wastes at mining-metallurgical facilities,” Metallurg, No. 5, 34–37 (2010).
4.
S. A. Makeev, A. K. Zaitsev, V. S. Valavin, and Yu. V. Pokhvisnev, “Dissociation of hematite during dissolution in slag,” Proc. 5th Int. Sci.-Techn. Conf. Energy-Saving Technologies in Industry. Furnaces. Ecology. Safety of Production Processes, MISiS, Moscow (2010), pp. 145–146.
5.
V. A. Romenets, V. S. Valavin, Yu. V. Pokhvisnev, et al., “Recycling of red sludge from the aluminum industry by using the Romelt process,” Tsvetn. Met., No. 7, 39–44 (2011).
6.
V. Valavin, S. Makeev, Yu. Pokhvisnev, et al., “Recycling of iron-containing waste of metallurgical works in the countries of the Black Sea Economic Cooperation (BSEC),” Machines, Technol., Mater., No. 8, 55–57 (2012).
7.
M. N. Shatalov, V. S. Valavin, Yu. V. Pokhvisnev, and S. A. Makeev, “Use of pulverized-coal fuel in the Romelt process,” Vestn. MGOU, Ser. Tekhn. Tekhnol., No. 1, 5–10 (2013).
8.
M. N. Shatalov, V. S. Valavin, Yu. V. Pokhvisnev, and S. A. Makeev, “Effect of fine coal fractions on the rate of reduction in the Romelt technology,” Vestn. MGOU, Ser. Tekhn. Tekhnol., No. 2, 5–9 (2013).
9.
A. N. Fedorov, A. A. Komkov, V. N. Bruek, et al., “Mastering the Vanyukov process for processing oxidized nickel ores at the South Ural Nickel Combine,” Tsvetn. Met., No. 12, 33–37 (2007).
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L. V. Tsymbulov, M. V. Knyazev, L. Sh. Tsemekhman, et al., “Analysis of variants of a technology for obtaining ferronickel from oxidized nickel ores with the use of a two-zone Vanyukov furnace,” Tsvetn. Met., No. 10, 15–21 (2010).
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A. Panov, G. Klimentenok, G. Podorodetskiy, and V. Gorbunov, “Directions for large scale utilization of bauxite residue,” in: Light Metals 2012, C. E. Suares (ed.), TMS (2012), pp. 93–97 (2012).
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14.
V. P. Bystrov, Z. G. Salikhov, A. P. Shchetinin, et al., “Experimental prototype of an automated complex for smelting oxidized nickel ore on the basis of the Vanyukov process,” Tsvetn. Met., No. 11, 28–30 (2003).
15.
A. P. Shchetinin, V. P. Bystrov, Z. G. Salikhov, and Yu. I. Golovev, “New approaches to making the processing of oxidized nickel ores more efficient,” ibid., 42–43.
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17.
V. K. Karpushin, E. I. Timin, V. A. Romenets, et al., “Reducing energy costs in the fluidization process during the reductive smelting of an oxidized raw material,” Stal, No. 5, 31–33 (1991).
Metadata
Title
Technological Assessment of the Romelt Process in the Classic and Two-Zone Variants
Authors
V. A. Romenets
V. S. Valavin
Yu. V. Pokhvisnev
Publication date
01-05-2014
Publisher
Springer US
Published in
Metallurgist / Issue 1-2/2014
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-014-9862-x

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