Adjustment of Ladle Slag Mode During Steel Laddle Treatment for Obtaining a Homogeneous High-Basicity Slag at Vyksa Metallurgical Plant

Issues associated with sulfur removal from ladle-furnace units are considered. The sulfur distribution coefficient depends on the slag sulfide capacity, sulfur activity coefficient, equilibrium constant, and the oxidizing potential of the medium. The C S sulfide capacity of slags appears to be one o...

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Bibliographic Details
Published in:Metallurgist (New York) 2022-07, Vol.66 (3-4), p.262-268
Main Authors: Sheshukov, O. Yu, Safonov, V. M., Murysev, V. A., Somov, S. A., Metelkin, A. A., Shevchenko, O. I., Egiazar’yan, D. K.
Format: Article
Language:English
Subjects:
Activity coefficients
Basicity
Characterization and Evaluation of Materials
Chemical composition
Chemistry and Materials Science
Degassing of metals
Ladle metallurgy
Ladles
Materials Science
Mathematical analysis
Metallic Materials
Metals
Oxidation
Slag
Steel making
Sulfides
Sulfur
Sulfur removal
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Summary:Issues associated with sulfur removal from ladle-furnace units are considered. The sulfur distribution coefficient depends on the slag sulfide capacity, sulfur activity coefficient, equilibrium constant, and the oxidizing potential of the medium. The C S sulfide capacity of slags appears to be one of the most important characteristics of the ladle slag refining capacity. In this regard, variations in C S were calculated depending on various slag chemical compositions. Based on the obtained dependences, optimal compositions of slags with an advanced sulfide capacity were established.
ISSN:0026-0894
1573-8892
DOI:10.1007/s11015-022-01325-y