Effect of Top Slag on the Swirl Motion of Cylindrical Bath Agitated by Bottom Blowing Liquid Jet

Daisuke IGUCHI; Jin YOSHIDA; Manabu IGUCHI

doi:10.2355/tetsutohagane1955.90.6_363

Tetsu-to-Hagane

Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575

Effect of Top Slag on the Swirl Motion of Cylindrical Bath Agitated by Bottom Blowing Liquid Jet

Daisuke IGUCHI, Jin YOSHIDA, Manabu IGUCHI

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Keywords: steelmaking, refining, slag, swirl motion, jet

JOURNAL FREE ACCESS

2004 Volume 90 Issue 6 Pages 363-370

DOI https://doi.org/10.2355/tetsutohagane1955.90.6_363

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Abstract

Model experiments were carried out to understand the effects of slag on the swirl motions of a molten steel jet generated through a centered bottom nozzle. Two types of swirl motions were observed. One appeared when the silicone oil layer was thin, while the other appeared when the silicone oil layer was thick. The starting time, damping time, period and amplitude of the two swirl motions were investigated and correlation methods of them were proposed.

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