Keywords
vortex chamber
curve inductor
liquid metal
modelling of electromagnetic and hydrodynamic processes
connecting channels
angle of connection of channels to the vortex chamber
How to Cite
Abstract
A scheme of a reverberatory furnace for melting aluminium waste in a vortex flow of melt created by a curve inductor in a separate cylindrical chamber is presented. The vortex chamber, which is connected to the furnace's melting bath by means of two channels, performs two functions in this furnace: it stirs the molten metal in the bath and creates a vortex funnel into which the pulverized charge is fed. A mathematical model for numerical research of electromagnetic and hydrodynamic processes in such a system is formulated. The influence of the angle of attachment of the suction and pumping channels to the side cylindrical surface of the vortex chamber on its parameters was determined. Such parameters were the average speed of liquid metal in the furnace bath, the melt flow through the cross sections of the connecting channels and the average angular speed of the metal in the chamber. It was established that the angle of the connection of the suction channel has little effect on the operation of the chamber, in contrast to the angle of the pumping channel, which in order to achieve maximum stirring of the metal in the bath should take minimum values, and to create a maximum funnel should be more than 500. Considerations are given regarding the compromise values of this angle, which can ensure the necessary operation of the chamber, both from the point of view of the liquid metal stirrer in the furnace bath, and from the point of view of the rotating device of the metal in the chamber. References 8, figures 5.
References
Stal R., Hanley P. Electromagnetic stirring in aluminium ladles. ABB Value Paper. 2009.
Gluhenkyi A.I., Gorislavets Yu.M., Tokarevsky A.V. Three-dimensional modelling of a single-phase electro-magnetic stirrer of liquid metals. Tekhnichna electrodynamica. 2013. No. 5. Pp. 77–84. (Rus)
Dubodelov V.I., Gorislavets Y.M., Glukhenkii A.I., Fikssen V.N. Electromagnetic stirrer of liquid metal with al-ternating action of traveling and pulsating magnetic fields. Proc. of the 8th Inter. Conf. on Electromagnetic Processing of Materials EPM 2015. October 12–16, 2015. Cannes, France. Pp. 605–608.
URL: https://www.yumpu.com/xx/document/view/14174965/-lotuss-pyrotek (accessed: 05/01/2023).
https://www.youtube.com/watch?v=EwvhukuQ-HQ (accessed: 05/01/2023).
Penkovyi T.O., Khalatov A.A., Goryslavets Yu.M. Modelling of hydrodynamic and thermal processes in a re-verberatory melting furnace with a vortex chamber. Teplofizyka ta teploenerhetyka. 2023. Vol. 45. No 1. Pp. 84–90. (Ukr)
Ilinca F., Pelletier D. Positivity preservation and adaptive solution of the k-ε model of turbulence. AIAA Journal. 1998. 36(1). Pp. 44–50.
COMSOL Multiphysics. Simulation Software. URL: https://www.comsol.com/comsol-multiphysics (accessed: 05/01/2023).
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Copyright (c) 2023 Yu.M. Goryslavets, T.O. Penkovyi