Physical Modelling of Metallurgical Processes

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Today physical modelling is a commonly used tool in modelling metallurgical processes. It can be applied both in steel metallurgy and non-ferrous metals metallurgy processes. It gives the opportunity to determine the hydrodynamic conditions of the processes. Although, the flow of mass and gas is not totally presented by such modelling, this kind of research is very often and willingly used. That is because it is really difficult to conduct experimental research in industrial conditions. Typically water is used as a modelling agent, so the physical modelling is not as expensive as the one carried out in industrial conditions. To obtain representative research from physical modelling the physical models have to be built according to the strict rules coming from the theory of similarity. The results obtained from the experimental test on the physical model, after verification, can be transferred to the real conditions. The article shows the obatined results coming from physical modelling of the steel production process. In the Institute of Metals Technologies of Silesian University of Technology the appropriate test stand was built to simulate the steel flow and mixing in the ladle. The visualization results have been presented. To simulate processing condition during aluminium refining additional test stand was also built. The exemplary results have been shown for different flow rate of gas, rotary impeller speed and different shapes of impellers. All presented results have been discussed and presented for the perspectives of further research.

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1685-1690

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November 2016

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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[1] J. Pieprzyca, Z. Kudliński, Matematyczne i fizyczne modelowanie zjawisk w procesach technologicznych, in: F. Grosman, C. Sajdak (Eds. ), Monografia Wydziału Inżynierii Materiałowej i Metalurgii, Katowice, 2006, pp.21-35.

Google Scholar

[2] K. Michalek, K. Gryc, Z. Hudzieczek, J. Morávka, J. Pieprzyca, Hutnik-Wiadomości Hutnicze, 2 (2010) 43-47.

Google Scholar

[3] J. Pieprzyca, T. Merder, M. Saternus, H. Kania, The change of liquid steel flow control system in the tundish – modelling research, Archives of Metallurgy and Materials. 4 (2014) 1443-1450.

DOI: 10.2478/amm-2014-0244

Google Scholar

[4] T. Merder, J. Pieprzyca, Optimization of two-strand industrial tundish work with use of turbulence inhibitors: Physical and numerical modelling, Steel Research International, 10 (2012) 1029-1038.

DOI: 10.1002/srin.201200059

Google Scholar

[5] C.Y. Wen, L.T. Fan, Models for flow systems and chemical reactions, Dekker, New York, (1975).

Google Scholar

[6] J. Pieprzyca, T. Merder, J. Jowsa, Method for determining the time constants characterizing the intensity of steel mixing in continuous casting tundish, Archives of Metallurgy and Materials, 1 (2015) 245-249.

DOI: 10.1515/amm-2015-0039

Google Scholar

[7] O. Levenspiel, Chemical Reaction Engineering, John Wiley & Sons, New York, (1999).

Google Scholar

[8] E.B. Nauman, B.A. Buffham, Mixing in Continuous Flow System, John Wiley&Sons, New York, (1983).

Google Scholar

[9] K.R. Westerterp, W.P.M. Swaaij, A.A.C.M. Beenackers, Chemical Reactor Design and Operation, John Wiley&Sons, New York, (1984).

Google Scholar

[10] M. Warzecha, J. Jowsa, T. Merder, Gas mixing and chemical homogenization of steel in 100 t ladle furnace, Metalurgija, 4 (2007) 227-232.

Google Scholar

[11] T. Merder, Effect of casting flow rate on steel flow phenomena in tundish, Metalurgija, 2 (2013) 161-164.

Google Scholar

[12] M. Saternus, T. Merder, J. Pieprzyca, Physical modelling of removing hydrogen from liquid aluminum conducted in URC-7000 reactor, Metalurgija, 2 (2014) 205-208.

Google Scholar

[13] A. Miłek, J. Pieprzyca, A. Bogdał, M. Olawa, M. Warzecha, Hutnik-Wiadomości Hutnicze, 10 (2013) 682-687.

Google Scholar

[14] J. Pieprzyca, T. Merder, M. Saternus, Physical modelling of the process of mixing liquid metal in a ladle blown by gas, Physical modeling, Metalurgija, 3 (2014) 327-330.

Google Scholar

[15] P. Sojda, M. Warzecha, J. Pieprzyca, B. Jędrysiak, J. Sygit, Hutnik-Wiadomości Hutnicze, 5 (2015) 343-345.

Google Scholar

[16] K. Marcinek, J. Pieprzyca, Hutnik-Wiadomości Hutnicze, 2 (2016), article in print.

Google Scholar

[17] M. Saternus, Rafinacja aluminium i jego stopów przez przedmuchiwanie argonem, Wyd. Pol. Śl., Gliwice, (2011).

Google Scholar

[18] T.A. Engh, Principles of metals refining, Oxford University Press, Oxford, (1992).

Google Scholar

[19] M. Saternus, T. Merder, Numerical and physical modelling of aluminium refining process conducted in URO-200 reactor, Solid State Phenomena, 191(2012) 3-12.

DOI: 10.4028/www.scientific.net/ssp.191.3

Google Scholar