Metallurgical apparatus – Process
Patent
1976-10-29
1979-01-23
Lake, Roy
Metallurgical apparatus
Process
75 44S, 266901, 432 11, 432134, F27D 300
Patent
active
041357027
ABSTRACT:
A metal batch preheating method comprises positioning an elongate mass of metal scrap on a conveyor in a tunnel furnace for heating such furnace having longitudinally spaced transversely extending zones of greater and lesser heat, the conveyor being loaded with metal for the length of the tunnel furnace except for the last heat zones therein. The metal is thereafter moved through a plurality of "advance and heat" movements in the furnace during the batch heating cycle so that the metal is exposed to both greater intensity and lesser intensity heat zones as it is preheated after which the metal is discharged for use or further processing.
REFERENCES:
patent: 3133628 (1964-05-01), Butler et al.
patent: 3484231 (1969-12-01), Uzdavines
patent: 3591158 (1971-07-01), Pantke
patent: 3667747 (1972-06-01), Graybill et al.
patent: 3721519 (1973-03-01), Venetta
patent: 3813209 (1974-05-01), Venetta
patent: 3985497 (1976-10-01), Fellnor et al.
Jablonski, E., Flying Fortress, Doubleday Garden City-New York, 1965, p. 317.
Coughlin John E.
Singrey Raymond E.
Venetta Henry J.
Bell Paul A.
Lake Roy
Venetta, Inc.
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