Effect of SEN immersion depth on mold flow profile and slag entrapment during continuous casting of steel
DOI:
https://doi.org/10.30544/653Keywords:
Mold slag entrapment, SEN immersion depth, Casting speed, Mold flow profile, Water modeling, Nail boardAbstract
Mold flux entrapment during continuous casting of steel contributes to both surface and sub-surface defects in the final product. Continuous casting operating parameters such as casting speed, SEN immersion depth, SEN port geometry, argon flow, and mold EMS significantly affect the mold flow conditions and flow profile. During continuous casting operation, SEN immersion depth is continuously varied to avoid localized erosion of SEN, and it impacts the flow dynamics in the mold. In the present work, water modeling studies were carried out for a wide range of mold widths (1200-1800 mm) and casting speeds (0.8-1.4 m/min) on a 0.5 scaled down water model to optimize casting speed for different combinations of SEN immersion depth and mold width. Results from water modeling were further validated using nail board studies in the actual plant. A safe operating matrix was identified from these experiments to avoid mold slag entrapment during continuous casting.
References
F. Peng, Y. Min, C.J. Liu, M.F. Jiang: Int. J. Minerals, Metallurgy and Materials, 26 (2019) 186-193.
C.L. Hibbeler, G.B. Thomas: AISTech Proceedings, (2013) 1215-1230.
Dipak Mazumdar, I.L.G. Roderick: ISIJ Int., 39 (1999) 524-547.
L. Zhang, B.G. Thomas: XXIV National Steelmaking Symposium, Morelia, Mexico, 26-28, Nov 2003, 138-183.
X. Deng, C. Ji, Y. Cui, L. Li, X. Yin, Y. Yang, A. McLean: Iron Making and Steel Making, 44 (2017) 461-471.
B. Rietow, B.G. Thomas: May 5-8, AISTech 2008, Pittsburgh, PA.
R. Liu, B.G. Thomas, S. Joydeep, D.C. Stephen, M. Trinh: ISIJ Int., 54 (2014) 2314-2323.
Z. Peng, Z. Lanhua: Iron Making and Steel Making, 46 (2019) 886-895.
X. Li, B. Li, Z. Liu, R. Niu, Y. Liu, C. Zhao, C. Huang, H. Qiao, T. Yuan: Metals, MDPI, 9 (2019) 7-19.
F. Wang, Y. Wang, S. Yang, W. Zhang, J. Li, X. Zhang: Contributed papers from Materials Science and Technology, MS&T 2017, October, 2017, Pittsburgh, Pennsylvania USA.
Q. Lu, R. Yang, X. Wang, J. Zhang, W. Wang: J. University of Science and Technology Beijing, 14 (2007) 399-404.
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2021 Mallikarjuna Rao P, Vaibhav Vasantrao Chougale, Satish Kumar D, Rajendra T, Balachandran G

This work is licensed under a Creative Commons Attribution 4.0 International License.
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgment of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgment of its initial publication in this journal.
- Authors are permitted and encouraged to post their published articles online (e.g., in institutional repositories or on their website, social networks like ResearchGate or Academia), as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).
Except where otherwise noted, the content on this site is licensed under a Creative Commons Attribution 4.0 International License.