Roof assembly for an electric arc furnace

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

1983-06-24

1985-11-12

Pellinen, A. D.

Industrial electric heating furnaces

Arc furnace device

Furnace body detail

F27D 112

Patent

active

045532451

ABSTRACT:
A roof assembly for an electric arc furnace having a plurality of water cooled trapezoidal-shaped roof segments or panel units arranged in a circular manner and having arcuate surfaces which abut inner and outer fabricated welded support rings and having longitudinal surfaces which do not contact the adjacent panels when in an assembled form. The arcuate surface abutting the inner ring is slanted downwardly towards the outer ring from the top to the bottom surface of the panel, and that abutting the outer ring may have point contact creating a wedging effect for each panel between the support rings. The outer ring provides several spaced apart load bearing members defining openings which permit debris to slide off the assembled roof thereby limiting build-up on the roof, and a conduit of the support rings carries coolant to protect the weldment areas of the rings.

REFERENCES:
patent: 4021603 (1977-05-01), Nanjyo et al.
patent: 4216348 (1980-08-01), Greenberger

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