Anzeige
Erschienen in:
2016 | OriginalPaper | Buchkapitel
Cell Electrical Preheating Practices at Dubal
verfasst von : Alexander Arkhipov, Abdalla Zarouni, Dr. Maryam Al Jallaf, Ibrahim Baggash, Sergey Akhmetov, Michel Reverdy, Vinko Potocnik
Erschienen in: Light Metals 2014
Verlag: Springer International Publishing
Aktivieren Sie unsere intelligente Suche, um passende Fachinhalte oder Patente zu finden.
Wählen Sie Textabschnitte aus um mit Künstlicher Intelligenz passenden Patente zu finden. powered by
Markieren Sie Textabschnitte, um KI-gestützt weitere passende Inhalte zu finden. powered by
DUBAL has extensive experience of electrically preheating cells since its initial operation in 1979. The electrical preheating at DUBAL has evolved, including the type of material used, the setup of the cell and the equipment needed to carry out preheat. Traditionally, a thick coke bed fully covering the surface below the anodes was used. In order to reduce the amount of material and energy for preheat, the grain size and shunt design were optimized. Further progress, which allowed elimination of the shunts, was achieved by using low resistivity material partially spread over the surface below the anodes. To minimize heat loss and air burn during preheating and to prepare the cell for bath-up, crushed bath is used at the anode sides and mineral wool and crushed bath are used on the top. Finally, the preheat equipment design was improved. The application of the most recent preheating technique for DX and DX+ technologies is described.