ISSN 2594-5300
50° Seminário de Aciaria, Fundição e Metalurgia de Não-Ferrosos — vol. 50, num.50 (2019)
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Abstract
Casting fluxes are one of the key factors to guarantee a good performance of the continuous casting process. Fluxes are added over the liquid steel in the mold, where carbon in the flux reacts with any air present, to form a reducing atmosphere of CO (g) to protect molten steel from oxidation. Then the oxide components form the sintered layer and they melt to form a liquid flux pool. Liquid slag from the pool infiltrates into the mold/strand channel and lubricates the newly-formed, steel shell. It was very common in the past that the addition of casting flux in the mold was made manually by the continuous casting strand operator, where the addition uniformity would mainly depend on the attention of the Operator in process and the addition standard would change from one operator to another, may causing variability on the continuous casting quality parameters. This paper presents improvement of continuous casting parameters such as, stability of flux thickness and reduction of dust in the continuous casting process, with the use of flux distribution mechanism in two continuous casting machines from two different steel plants.
Casting fluxes are one of the key factors to guarantee a good performance of the continuous casting process. Fluxes are added over the liquid steel in the mold, where carbon in the flux reacts with any air present, to form a reducing atmosphere of CO (g) to protect molten steel from oxidation. Then the oxide components form the sintered layer and they melt to form a liquid flux pool. Liquid slag from the pool infiltrates into the mold/strand channel and lubricates the newly-formed, steel shell. It was very common in the past that the addition of casting flux in the mold was made manually by the continuous casting strand operator, where the addition uniformity would mainly depend on the attention of the Operator in process and the addition standard would change from one operator to another, may causing variability on the continuous casting quality parameters. This paper presents improvement of continuous casting parameters such as, stability of flux thickness and reduction of dust in the continuous casting process, with the use of flux distribution mechanism in two continuous casting machines from two different steel plants.
Keywords
mold flux, continuous casting of steel, flux feeder
mold flux, continuous casting of steel, flux feeder
How to refer
Schulz, Olaf;
Sowa, Carsten;
Diehl, Spencer;
Favia, Antonio;
Green, Christian;
Campos, Maria Carolina;
Tulio, Marco;
Fuentes, Vinicio.
USE OF FLUX DISTRIBUTION MECHANISM FOR MOLD FLUX PERFORMANCE IMPROVEMENT IN THE CONTINUOUS CASTING PROCESS
,
p. 739-749.
In: 50° Seminário de Aciaria, Fundição e Metalurgia de Não-Ferrosos,
São Paulo,
2019.
ISSN: 2594-5300
, DOI 10.5151/2594-5300-33810
