Cooled roof of electric furnace

Details Cooled roof of electric furnace Cooled roof of electric furnace

1977-12-16

1979-01-02

Envall, Jr., R. N.

Furnaces

With fuel treatment means

Preliminary refuse treatment means

110331, 266241, 432238, F27D 102, F27D 112

Patent

active

041328523

ABSTRACT:
A roof in which beams-headers rest on a roof ring and carry loop-shaped tubes suspended from and coupled with the said beams-headers which are running transversely to the framework tubes. Welded edgewisely to the top generatrices of the tubes are metal straps with bricks placed at least in one layer in rows therebetween. The brick end portions rest on the adjacent tubes, so that the brick in each row are disposed with a clearance sufficient to enable thermal expansion of the brick both vertically and horizontally when heated.

REFERENCES:
patent: 2766736 (1956-10-01), Del-Buono
patent: 3429973 (1969-02-01), Carter et al.
patent: 3967048 (1976-06-01), Longenecker
patent: 4003696 (1977-01-01), Rolla

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