Roof assembly for an electric arc furnace

Details Roof assembly for an electric arc furnace Roof assembly for an electric arc furnace

1986-01-13

1987-01-20

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Furnace body detail

432238, F27D 102

Patent

active

046384928

ABSTRACT:
A fluid cooled roof assembly for an electric arc furnace comprised of at least three circular sector shaped panels having coolant passages and an outer ring member supporting a plurality of connected arcuate ring sectors which extend upwardly away from the interior of the furnace giving added height thereto, and on which the assembled panels are supported in a flat disposition. The circular sector panels, when assembled, are designed to provide ports for receiving the electrodes and come together at a point location in the center of the roof forming a full circle which completely covers the furnace.

REFERENCES:
patent: 1922312 (1933-08-01), Mansfield
patent: 4021603 (1977-05-01), Nanjyo et al.
patent: 4063028 (1977-12-01), Longenecker
patent: 4091228 (1978-05-01), Brown, Jr. et al.
patent: 4132852 (1979-01-01), Andoniev et al.
patent: 4216348 (1980-08-01), Greenberger
patent: 4273949 (1981-06-01), Fischer

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