Metallurgical apparatus – With means to preheat gas – By heat generating means
Patent
1983-01-21
1984-07-03
Andrews, M. J.
Metallurgical apparatus
With means to preheat gas
By heat generating means
266144, 266205, 266901, 75 63, F27B 1402
Patent
active
044574940
ABSTRACT:
A refractory lined melting 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 two vertical walls 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. A conventional fire burner is supplied to the melt chamber. 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 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 rake-out doors at the rear of the melt chamber. The sequence is repeated with heat being supplied from the combustible gases formed in the combustible waste burning portion, until the storage chamber is full whereupon the furnace is tilted and the molten metal discharged from a tapping hole in the front of the storage chamber.
REFERENCES:
patent: 3468524 (1969-09-01), Haack
patent: 3984090 (1976-10-01), Swartz
Ade Stanley G.
Andrews M. J.
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