C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 21/00 (2006.01) C22B 9/00 (2006.01) F27B 7/10 (2006.01) F27B 7/20 (2006.01) F27D 13/00 (2006.01)
Patent
CA 2598472
The invention concerns a method for melting down small-sized scrap aluminum. Following a thermal pre-treatment, the scrap aluminum to be melted down is subjected to a melting process in a hot gas stream. The invention aims at ensuring advantageous conditions for implementing the method. Therefore, the scrap aluminum in a continuous stream of products is subjected to a heat treatment followed by a melting process. Next, a partial stream of hot gas is derived and is directed into a circuit in order to thermally treat the aluminum scrap, then said partial stream is conveyed to the furnace.
L'invention concerne un procédé de fusion de mitraille d'aluminium en petits morceaux. Après un prétraitement thermique, la mitraille d'aluminium à fondre est soumise à une fusion dans un flux de gaz chaud. L'invention vise à garantir des conditions avantageuses pour la mise en oeuvre du procédé. A cet effet, la mitraille d'aluminium dans un flux de produits continu est soumise à un traitement thermique puis à une fusion. Ensuite, on dérive on flux partiel du flux de gaz chaud qui est guidé dans un circuit et destiné au traitement thermique de la mitraille d'aluminium, puis on conduit ce flux partiel jusqu'au four.
Hertwich Guenther
Mayringer Hubert
Niedermair Franz
Fetherstonhaugh & Co.
Hertwich Engineering Gmbh
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