Industrial electric heating furnaces – Plasma furnace device – Direct furnace
Patent
1982-01-04
1985-01-08
Envall, Jr., Roy N.
Industrial electric heating furnaces
Plasma furnace device
Direct furnace
373 75, F27D 100, F27D 700
Patent
active
044930887
ABSTRACT:
A plasma melting furnace includes one or more plasma burners penetrating the furnace lining, in particular a plasma burner projecting vertically into the interior of the furnace. In order to ensure a most uniform stress on the lining by the heat radiation, the inner surface of the lining is designed to be inclined, converging upwardly.
REFERENCES:
patent: 1385411 (1921-07-01), vom Baur
patent: 2744944 (1956-05-01), Striplin, Jr. et al.
patent: 3400208 (1968-09-01), Franzen
patent: 3828107 (1974-08-01), Sone
patent: 3834895 (1974-09-01), Cachat
Kilches Helmut D.
Lugscheider Walter
Riegler Ernst
Zajicek Ernst
Envall Jr. Roy N.
Voest-Alpine Aktiengesellschaft
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