F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
39/1, 39/79
F27B 14/00 (2006.01) F27B 3/12 (2006.01)
Patent
CA 1116848
ABSTRACT OF THE DISCLOSURE A refractory lined metlting furnace particularly suited for separation of non-ferrous metals with embedded or attached ferrous components, includes a casing or body pivotally mounted and tiltable by means of fluid operators. The interior is divided by a vertical wall into a combustible waste burning portion for the generation of combustible gases to assist in heating the furnace, and a melt chamber into which a variety of metallic waste can be charged for melting. Conventionally fired burners are supplied to the melt cham- ber and to the combustible waste portion. The temperature of the melt chamber is raised to the melting point of the metallic waste material having the lowest melting point, e.g. aluminum, and when the aluminum is melted, the furnace is tipped forwardly so that the aluminum runs through drainage apertures into a liquid metal holding chamber provided on the floor of the melt chamber. When the molten metal has drained, the furnace is tilted rearwardly to discharge the remaining scrap out through charging doors at the rear of the melt chamber. The sequence is repeated with heat being supplied from the combustible gases formed in the combusti- ble waste burning portion, until the storage chamber is full whereupon the furnace is tilted and the molten metal dis- charged from a tapping hole in the front of the storage cham- ber. If metal such as copper is part of the residue of the combustible waste material, it may be heated to the molten state by the burner in this section and then poured through a further tapping hole communicating with this section. - 1 -
285562
Ade & Company
Fisher Roy A.
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