Roof assembly for an electric arc furnace

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

1979-02-09

1980-08-05

Envall, Jr., Roy N.

F27D 112, F27D 118

Patent

active

042163480

ABSTRACT:
A roof assembly for an electric arc furnace formed by a series of water cooled panels supportingly arranged between the water conveying outer ring and a water conveying center ring encircling the electrode-refractory area. One or more of these panels are constructed of a copper face sheet brazed to a steel backing sheet having groups of several machined traverse passageways, and are located in critical areas in the roof. Communicating with each group of passageways is a water entry header and a water discharge header. The outer ring acts as both a water source and drainage for the panels and center ring. The panels are suspended from a self-supporting spider web structure which carries the center ring and is supported by the outer ring.

REFERENCES:
patent: 3385241 (1968-05-01), Alvis et al.
patent: 3788015 (1974-01-01), Musser
patent: 4021603 (1977-05-01), Nanyo et al.
patent: 4063028 (1977-12-01), Longenecker
patent: 4091228 (1978-05-01), Brown, Jr. et al.
patent: 4107449 (1978-08-01), Sosonkin et al.
patent: 4110548 (1978-08-01), Dresch et al.
patent: 4122295 (1978-10-01), Nanjo et al.

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