Industrial electric heating furnaces – Arc furnace device – Furnace body detail
Patent
1983-05-23
1984-04-17
Envall, Jr., Roy N.
Industrial electric heating furnaces
Arc furnace device
Furnace body detail
373 73, 373 75, 373 85, 432238, F27D 104
Patent
active
044438796
ABSTRACT:
The present invention relates to a reduction furnace with a split furnace body, particularly suited for production of ferro alloys, pig iron or calcium carbide. Furnaces of such types are provided with a furnace pot equipped with an internal refractory lining anchored to the furnace wall by means of anchoring elements. According to the present invention the refractory lining of at least the upper section of the split furnace body comprises a plurality of individual, pre-fabricated elements which are removably arranged at least on the upper section. Each unit comprises preferably a rear plate of steel, pig iron or similar material and one or more anchoring ribs or bolts extending horizontally out from and rigidly secured to the rear plate. The anchoring ribs provide a hold for the refractory lining on the rear plate. The separate units are suspended at least from the upper segment by means of simple support means.
REFERENCES:
patent: 3328014 (1967-06-01), Logenecker
patent: 3975575 (1976-08-01), Krogsrud
patent: 4005252 (1977-01-01), Krogsrud
patent: 4199652 (1980-04-01), Logenecker
Elkem a/s
Envall Jr. Roy N.
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