Atmosphere control of slag melting furnace

Details Atmosphere control of slag melting furnace Atmosphere control of slag melting furnace

1979-10-11

1982-09-28

Envall, Jr., Roy N.

Industrial electric heating furnaces

Electroslag remelting device

Body detail

373 77, F27D 706

Patent

active

043521894

ABSTRACT:
An electrically conductive refractory lined crucible is covered by a refractory lined roof. At least one electrode supported by the roof extends downwardly into the crucible for melting the flux within the crucible. The crucible lining itself functions as the second electrode. The roof and the crucible are air-tight thereby preventing air from entering the crucible. An exhaust port located in the upper portion of the roof is connected to a vacuum device for exhausting fumes from the crucible and for controlling the atmosphere within the crucible.

REFERENCES:
patent: 3973076 (1976-08-01), Scott, Jr. et al.
patent: 4027095 (1977-05-01), Kishida et al.
patent: 4125145 (1978-11-01), Medovar et al.
patent: 4202997 (1980-05-01), Wooding

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