Industrial electric heating furnaces – Arc furnace device – Charging or discharging
Patent
1981-11-30
1983-12-27
Envall, Jr., Roy N.
Industrial electric heating furnaces
Arc furnace device
Charging or discharging
414160, F27D 304
Patent
active
044235143
ABSTRACT:
Energy efficient arc furnace suitable for continuous melting of ungraded scrap iron as found in the trade, and four or more meters in length. Its inner part includes a storage zone (4) located laterally of and above the hearth (1), and arranged so that a considerable volume of scrap iron can be stored there. A pusher (11) is arranged at the bottom of the side storage zone for the purpose of pushing the base of the pile (10) of scrap iron stored in the said zone towards the hearth. The upper portion of the storage zone is equipped with an opening (8) of the trap or door for feeding in cold scrap iron (13, 131), and the storage zone is connected to a conduit (6) for exhausting fumes so that these pass through it.
REFERENCES:
patent: 1522665 (1925-01-01), Wright
patent: 3372223 (1968-03-01), Menegoz et al.
patent: 3665085 (1972-05-01), Dumont-fillon
Clesid S. A.
Envall Jr. Roy N.
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