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Metallurgist
Published in: Metallurgist 9-10/2021

28-01-2021

Effect of the Slag Layer Thickness, Gas Composition, and Furnace Capacity on the Arc Efficiency and Heat Transfer in Arc Furnaces. Part I. Effect of the Slag Thickness and Furnace Capacity on Arc Efficiency

Authors: A. N. Makarov, V. V. Okuneva, A. V. Kuznetsov

Published in: Metallurgist | Issue 9-10/2021

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Abstract

The angular thermal radiation coefficients and the efficiency of arcs for different distances from them to the walls of electric-arc furnaces of 0.5 to 120 t capacity are calculated. A relationship between the arc efficiency and the specific power consumption of the furnaces is established. The arc efficiency versus the depth of submersion of the arcs into the metal bath and slag in high- and low-capacity electric-arc furnaces is calculated and plotted.
previous article Metallurgist Volume 64, Number 10
next article Study of Conditions for Improving Chemical and Structural Homogeneity of Ferritic Class Hot-Rolled Steels

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Literature
1.
A. N. Makarov, “Calculation and analysis of the relationship between the efficiency and position of electric arcs and power consumption in electric arc furnaces (EAF) of smaller and larger capacity. Part 2. Calculation and analysis of the relationship between position of arcs, walls and power consumption,” Metallurgist, 63, No. 5-6, 441–450 (2019).CrossRef
2.
V. G. Evstratov, A. D. Kiselev, I. Yu. Zinurov, et al., “Thermal operation of the DSP-120 Consteel furnace in the Ashinsk metallurgical works,” Russian Metallurgy (Metally), No. 6, 402–405 (2013).CrossRef
3.
L. E. Nikol’skii, V. D. Smolyarenko, and L. N. Kuznetsov, Thermal Performance of Electric-Arc Furnaces [in Russian], Metallurgiya, Moscow (1981).
4.
N. V. Okorokov, Electric-Arc Furnaces [in Russian], Metallurgiya, Moscow (1971).
5.
A. V. Egorov, Electric Furnaces in the Iron and Steel Industry [in Russian], Metallurgiya, Moscow (1985).
6.
V. M. Soifer, Smelting in Acid-Lined Furnaces [in Russian], Mashinostroenie, Moscow (2009).
7.
A. N. Makarov, Heat Exchange in Electric-Arc and Torch Metallurgical Furnaces and Power Facilities [in Russian], Lan’, St-Petersburg (2014).
8.
G. I. Leskov, Electric Welding Arc [in Russian], Mashinostroenie, Moscow (1970).
9.
G. M. Tikhodeev, Energy Properties of Electric Welding Arc [in Russian], Izd. AN SSSR, Moscow (1961).
10.
M. S. Kuznetsov, E. V. Yakushev, S. A. Kulagin, et al., “Effect of the metal charge mass and the slag thickness on the process of steelmaking in an arc furnace,” Russian Metallurgy (Metally), No. 12, 1097–1100 (2010).CrossRef
Metadata
Title
Effect of the Slag Layer Thickness, Gas Composition, and Furnace Capacity on the Arc Efficiency and Heat Transfer in Arc Furnaces. Part I. Effect of the Slag Thickness and Furnace Capacity on Arc Efficiency
Authors
A. N. Makarov
V. V. Okuneva
A. V. Kuznetsov
Publication date
28-01-2021
Publisher
Springer US
Published in
Metallurgist / Issue 9-10/2021
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-021-01080-6

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