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2018 | OriginalPaper | Buchkapitel

A Statistical Analysis of Process Abnormalities in Slab Casting

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Abstract

Continuous casting of slabs is conducted with two successive steel flows: first from ladle to tundish, then from tundish to mold. There are certain process abnormalities related to ladle, tundish and mold. For example, change of submerged entry nozzle (SEN) is the one encountered during steel flow from tundish to mold. Tundish exchange is the abnormality taking place due to replacement of processed tundish with the new one at rest. Another example is the flow of steel from ladle to tundish without a ladle shroud. In this study, a statistical analysis was conducted related to the process abnormalities in slab casters of a steel plant. Slab surface defects observed in slab yard was incorporated in this analysis.

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Literatur
1.
Zurück zum Zitat Zhang Q, Wang L, Wang X (2006) Influence of casting speed variation during unsteady continuous casting on non-metallic inclusions in IF steel slabs. ISIJ Int 46(10):1421–1426 Zhang Q, Wang L, Wang X (2006) Influence of casting speed variation during unsteady continuous casting on non-metallic inclusions in IF steel slabs. ISIJ Int 46(10):1421–1426
2.
Zurück zum Zitat Zhou X, Thomas BG (2010) Modeling steel slab heat transfer during scarfing processing. Continuous casting consortium report to POSCO, Department of Mechanical Science and Engineering University of Illinois at Urbana-Champaign Zhou X, Thomas BG (2010) Modeling steel slab heat transfer during scarfing processing. Continuous casting consortium report to POSCO, Department of Mechanical Science and Engineering University of Illinois at Urbana-Champaign
3.
Zurück zum Zitat Keskinkilic E (2015) The effects of process abnormalities in slab casting on final steel products (Unpublished work) Keskinkilic E (2015) The effects of process abnormalities in slab casting on final steel products (Unpublished work)
4.
Zurück zum Zitat Thomas, BG (2003) The making, shaping, and treating of steel. Chap. 5: modeling of continuous casting, casting volume, 11th edn. The AISE Steel Foundation, Pittsburgh, pp 14–15 Thomas, BG (2003) The making, shaping, and treating of steel. Chap. 5: modeling of continuous casting, casting volume, 11th edn. The AISE Steel Foundation, Pittsburgh, pp 14–15
Metadaten
Titel
A Statistical Analysis of Process Abnormalities in Slab Casting
verfasst von
Ender Keskinkilic
Copyright-Jahr
2018
DOI
https://doi.org/10.1007/978-3-319-72138-5_38

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