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Original scientific paper

Comparison of steel desulphurisation at homogenisation station with physical modelling results

L. Socha ; Faculty of Metallurgy and Materials Engineering, VŠB-Technical University of Ostrava, Czech Republic
Z. Hudzieczek ; Faculty of Metallurgy and Materials Engineering, VŠB-Technical University of Ostrava, Czech Republic
V. Pilka ; Třinecké železárny, a.s., Czech Republic
Z. Piegza ; Třinecké železárny, a.s., Czech Republic


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Abstract

The paper deals with evaluation of relevant information about transfer processes taking place in the interface slag – metal and with the assessment of the rate and course of steel desulphurization. The study of mentioned processes took place with the verification of the results obtained by the plant experiments in the homogenization station using 180 t ladle and in the physical model of the ladle in the geometrical scale 1 : 9 supplemented by homogenization nozzle. Plant and physical experiments were based on similar methodology. Samples of metal and slag were taken in regular time intervals for following evaluation of kinetics of the sulphur loss in the metal and appropriate increase of sulphur contain in the slag.

Keywords

steel; slag; desulphurization; homogenization station; physical modeling

Hrčak ID:

138053

URI

https://hrcak.srce.hr/138053

Publication date:

1.10.2015.

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