Assessing the Effectiveness of Slag Foaming in Electric-Arc Furnaces

The crucial role of foamed slag in improving the effectiveness of the arc-furnace process is beyond any doubt. However, there is no consistent approach to the description of the slag foaming mechanism despite the wide application of this process in modern electric-arc furnaces. Aspects of assessing...

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Bibliographic Details
Published in:Metallurgist (New York) 2018-07, Vol.62 (3-4), p.326-330
Main Authors: Kozhukhov, A. A., Kozhukhova, V. I.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemical properties
Chemistry and Materials Science
Electric arc furnaces
Foaming
Furnaces
Industrial equipment
Materials Science
Metallic Materials
Organic chemistry
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Summary:The crucial role of foamed slag in improving the effectiveness of the arc-furnace process is beyond any doubt. However, there is no consistent approach to the description of the slag foaming mechanism despite the wide application of this process in modern electric-arc furnaces. Aspects of assessing the effectiveness of slag foaming are considered. A new index characterizing the slag foaming rate is introduced. It allows determining the superficial gas velocity that ensures effective foaming of slag depending on its physical and chemical properties.
ISSN:0026-0894
1573-8892
DOI:10.1007/s11015-018-0664-4