A CFD study of flows in slag cleaning furnaces

Canadian Metallurgical Quarterly

Volumn 43, Issue 2, 2004, Pages 145-152

  Xia, J L ^a   Ahokainen, T ^b   Kankaanpaa T ^a  

^a AALTO UNIVERSITY   (Finland)

^b Outokumpu Oyj   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

BOUNDARY CONDITIONS; BUOYANCY; COMPUTER SIMULATION; CORRELATION THEORY; ELECTRIC CONDUCTIVITY; ELECTRODES; HEAT TRANSFER; MAGNETOHYDRODYNAMICS; NICKEL; SLAGS; THERMAL CONDUCTIVITY;

CONVERSATION EQUATIONS; MAGNETO-HYDRODYNAMIC FLOW; RAYLEIGH NUMBER; STEFAN-BOLTZMANN CONSTANT;

COMPUTATIONAL FLUID DYNAMICS;

EID: 8644257139     PISSN: 00084433     EISSN: None     Source Type: Journal    
DOI: 10.1179/cmq.2004.43.2.145     Document Type: Article

References (22)

1. A. Jardy, D. Ablitzer and S. Jorget, "Modelling of Slag Behaviour in a Non-Ferrous Smelting Electric Furnace", Int. Symp. on Innovative Techn. and Reactor Design in Extraction Metallurgy, 1986, D. R. Gaskell et al., ed., pp. 419-431.
2. Y.Y. Sheng, G.A. Irons and D.G. Tisdale, "Transport Phenomena in Electric Smelting of Nickel Matte: Part II Mathematical Modeling", Metall. Materials Trans. B, 1998, vol. 29B, pp. 85-94.
3. Y.Y. Sheng, G.A. Irons and D.G. Tisdale, "Transport Phenomena in Electric Smelting of Nickel Matte: Part I Electric Potential Distribution", Metall. Materials Trans., 1998, vol. 29B, pp. 77-83.
4. G.J. Bendzsak and W.D. Baines, "Analysis of Heat and Mass Transfer Mechanisms in Electric Smelting Furnaces", Proc. of Int. Symp. on Non-ferrous Pyrometallurgy: Trace Metals, Furnace Practices and Energy Efficiency, Aug. 23-27 1992, Edmonton, Alberta, pp. 373-391.
5. E. Sridhar and A.K. Lahiri, "Steady State Model for Current and Temperature Distributions in an Electric Smelting Furnace", Steel Res., 1994, vol. 65(10), pp. 433-437.
6. D.G.C. Robertson and S. Kang, "Model Studies of Heat Transfer and Flow in Slag-Cleaning Furnaces", Fluid Flow Phenomena in Metals Processing, 1999, N. EI-Kaddah, D.G.C. Robertson, S.T. Johansen and V. R. Voller, eds., pp. 157-168.
7. N. Hasegawa and A. Kaneda, "Optimization of Continuous Slag/Matte Separation in Mitsubishi Process by Using Numerical Heat and Fluid Flow Analysis", Materials Processing in Computer Age III, 2000, V.R. Voller and H. Henein, eds., pp. 51-60.
8. M. Choudhay and J. Szekely, "Some General Characteristics of Heat and Fluid Flow Phenomena in Electric Melting and Smelting Operations", Trans. Inst. Min. Metall. C, 1981, vol. 90, pp. 164-173.
9. th Conf. of Metallurgists, 2001, S. A. Argyropoulos, ed., pp. 127-138.
10. th Conf. of Metallurgists, 2001, S.A. Argyropoulos, ed., pp. 57-68.
11. J.L. Xia and T. Ahokainen, "Three-Dimensional Flow and Heat Transfer in slag", Int. Comm. of Heat Mass Transfer, 2002, vol. 29(3), pp. 401-411.
12. J.L. Xia and T. Ahokainen, "Numerical Modeling of Slag Flows in an Electric Furnace", Scandinavian J. of Metallurgy (in print), 2003.
13. J.L. Xia, T. Ahokainen and T., Kankaanpää, "Effect of Electrode Immersion Depth on Flows in a Slag Cleaning Furnace", Progress in Computational Fluid Dynamics, (in print), 2003.
14. A.H. Dilawari and J. Szekely, "Heat Transfer and Fluid Flow Phenomena in Electroslag Refining", Metall. Materials Trans., 1978, vol. 9B, pp. 77-87.
15. P. Taskinen, K. Seppala, J. Laulumaa and J. Poijärvi, "Oxygen Pressure in the Outokumpu Flash Smelting Furnace - Part 2: the DON Process", Transactions of the Institution of Mining and Metallurgy, Section C: Mineral Processing and Extractive Metallurgy, 2001, vol. 110, pp. 101-108.
16. B.E. Launder and D.B. Spalding, "The Numerical Computation of Turbulent Flow", Computer Methods in Applied Mech. and Eng., 1974, vol. 3, pp. 269-289.
17. J.L. Xia and T. Ahokainen, "Transient Flow and Heat Transfer in a Steelmaking Ladle During the Holding Period", Metall. Mater. Trans. B, 2002, vol. 32B, pp. 733-741.
18. AEA Technology, CFX-4.3, Solver Manual, 1997, Harwell.
19. B.P. Leonard, "A Stable and Accurate Convective Modeling Procedure Based on Quadratic Upstream Interpolation", Computer Methods in Appl. Mech. Eng., 1979, vol. 19, pp. 59-98.
20. J.P. Van Doormal and G.D. Raithby, "Enhancements of the SIMPLE Method for Predicting Incompressible Fluid Flows", Num. Heat Transfer, 1984, vol. 7, pp. 147-163.
21. D.J. Thomson, "Criteria for the Selection of Stochastic Models of Particle Trajectories in Turbulent Flows', J. Fluid Mech., 1987, vol. 180, pp. 529-556.
22. J.L. Xia, T. Ahokainen and T., Kankaanpää, "Nickel Droplet Settling Behaviour in an Electric Furnace", accepted by Metallurgical and Materials Transactions B, 2003.