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Inclusions, lining materials and nozzle clogging duringmiddle carbon steel billet continuous casting process

Published online by Cambridge University Press:  08 March 2008

Shihong Liu ,
Xinhua Wang ,
Xiangjun Zuo ,
Yufeng Wang ,
Lifeng Zhang ,
Shizhen Niu ,
Mei Liang  and
Chunzeng Li
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Abstract

The clogging of the Submerged Entry Nozzle (SEN) during billet continuous casting of mid-carbon steel is studied. Clogging materials and inclusions in steel samples taken at ladles, tundish and billets are investigated. The total oxygen on the whole section of the billet is measured. Steel cleanliness at unsteady casting states, including cast start, ladle change, SEN change, cast end, and the special unsteady pouring period induced by SEN clogging, are studied. Fluid flow and inclusion motion and entrapment to SEN surface are also simulated.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 105 , Issue 2: Blast FurnaceEnvironmentStellmakingSteel Use , February 2008 , pp. 72 - 79
Copyright
© La Revue de Métallurgie, 2008

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