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Numerical Simulation of the Rate of Dross Formation in Continuous Galvanizing Baths

Among the many challenges of the numerical simulation of the process of continuous galvanizing of steel sheet, the generation of dross particles is one of the most critical considerations. The presence of dross particles in different sections of a typical galvanizing bath is determined by both operational and configurational parameters that affect the nature of the flow, the temperature, and the distribution of the dissolved Al and Fe and of precipitated Fe3Zn24Alx (bottom dross) or Fe2Al5Znx (top dross) particles. In order to quantify the effect of the flow field, temperature and concentration variations, the numerical simulation must take into account the physical and geometrical boundary conditions, the thermodynamics of the solution, as well as the industrially obtained data for iron dissolution from the strip, the rate of ingot melting and the rate of deposition of the coating.
Product:
2006/08 AIST Iron & Steel Technology August
PR-PM0806-7
Frank Ajersch, Florin Ilinca, Jean-François Hétu,
August 01, 2006
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