Ore-smelting electrical furnace bath

Details Ore-smelting electrical furnace bath Ore-smelting electrical furnace bath

1982-04-26

1984-05-15

Envall, Jr., Roy N.

Industrial electric heating furnaces

Electroslag remelting device

Body detail

373 75, F27D 104

Patent

active

044492219

ABSTRACT:
Disclosed is an ore-smelting electrical furnace bath, in which smelting is accomplished with electrodes buried into the melted slag, comprising an externally cooled metallic jacket, a lining forming the walls and the bottom of the bath, and a sealing layer interposed therebetween. The walls of the bath in the melted slag zone are made from graphite-reinforced refractory blocks having a thickness at which the total thermal resistance of these blocks and of the sealing layer ranges from 0.01 to 0.09 m.sup.2 hr.deg./kcal. The lower portion of the aforesaid walls and the bottom are made from refractory carbon blocks.

REFERENCES:
patent: 3973076 (1976-08-01), Scott, Jr. et al.
patent: 3990686 (1976-11-01), Iguchi et al.
patent: 4375449 (1983-03-01), Siddall

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