Roof for covered electric smelting furnaces

Details Roof for covered electric smelting furnaces Roof for covered electric smelting furnaces

1979-03-14

1981-01-13

Envall, Jr., Roy N.

F27D 112

Patent

active

042451337

ABSTRACT:
An improved roof for covered electric smelting furnaces is disclosed. Cooling pipes are disposed on the outside of the roof and are of sufficient capacity and spacing to maintain a temperature on the inside of the roof of 150.degree. C.-400.degree. C. A sealing arrangement for adjacent sectors of the roof is also disclosed.

REFERENCES:
patent: 4021603 (1977-05-01), Nanjyo et al.

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