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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Electromagnetic Stirring in Melting Furnaces — a Critical Evaluation
verfasst von : Andreas Buchholz, Georg Rombach, Gerd-Ulrich Gruen
Erschienen in: Light Metals 2014
Verlag: Springer International Publishing
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Although electromagnetic stirring has been in industrial use in the aluminium industry since the sixties of the 20th century, it has faced a revival in recent years under the pressure of increasing energy prices, challenges to raise production in existing installations and the appearance of innovative and competing stirrer systems in the market. The usually claimed benefits vary between 5 and 20 percent reduction in energy consumption, cycle time and dross generation. The authors will present an overview of their efforts to develop a modeling toolset to analyze the advantages of the different technologies and will describe the difficulties to develop an objective picture to monitor the improvements in real installations. The future challenges in modeling will be discussed and recommendations will be given for a better comparison of the performance of the different systems.