F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
307/16
F27D 17/00 (2006.01)
Patent
CA 1069160
ABSTRACT OF THE DISCLOSURE An exhaust system for use with an electric arc melting furnace having a crucible and an upwardly directed mouth covered by a roof, and a device coupled to the roof for projecting it upwardly along an axis and pivotally about the axis to a position out of registry with the mouth for providing access for charging the furnace, and a device for tilting the furnace for tapping. The main fumes exhaust duct is coaxial with the tilt axis of the furnace at the point where the furnace exhaust system is coupled to the main fumes exhaust duct. The furnace exhaust system is coupled to the main duct by a swivel which allows the furnace system to remain coupled to the main duct during tapping. The furnace exhaust system is in the form of a column and is attached to the crucible for tilting movement therewith. The charging hood is movably supported upon the exhaust system column. The charging hood pivots in a horizontal plane into and out of its use position in close overlying relationship to the furnace mouth.
268490
Nijhawan Pramodh
Overmyer Robert C.
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