Device and method for obtaining non-ferrous metals

Details Device and method for obtaining non-ferrous metals Device and method for obtaining non-ferrous metals

F - Mech Eng,Light,Heat,Weapons

27

B

F27B 7/08 (2006.01) C22B 7/00 (2006.01) F27B 7/12 (2006.01)

Patent

CA 2687757

Device and method for separating metals and metal oxides thereof, in particular in non - ferrous alloys, such as zinc. To this end, zinc residues (dross) is placed in a rotary drum and heated. After a cert ain treatment time, pure metal located in the bottom part of the drum is poured out. The invention proposes that the drum be held rotatably on a drive mechanism arranged in the cover of the furnace. This facilitates handling of the drum, more particularly when placing it on its drive mandrel. As a result, it is possible to use larger drums, resulting in a larger capacity and a more efficient process.

L'invention concerne un dispositif et un procédé pour séparer des métaux et des oxydes métalliques de ceux-ci, en particulier dans des alliages non ferreux, tels que du zinc. À cet effet, des résidus de zinc (des déchets) sont placés dans un tambour rotatif et chauffés. Après un certain temps de traitement, du métal pur situé dans la partie inférieure du tambour est déversé à l'extérieur. L'invention propose que le tambour soit maintenu de manière rotative sur un mécanisme d'entraînement agencé dans le couvercle du four. Ceci facilite la manipulation du tambour, plus particulièrement lorsqu'on le place sur son mandrin d'entraînement. En résultat, il est possible d'utiliser des tambours plus grands, le résultat étant une capacité plus grande et un procédé plus efficace.

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