Arc furnace for making steel from directly reduced iron

Details Arc furnace for making steel from directly reduced iron Arc furnace for making steel from directly reduced iron

1979-03-06

1980-12-09

Envall, Jr., Roy N.

13 32, 13 35, F27D 100

Patent

active

042386322

ABSTRACT:
An arc furnace for quickly and continuously melting directly reduced iron ore so as to make steel, wherein the furnace wall above the hearth line and the furnace roof have partly spherical inner surfaces, the spherical surface defining these inner surfaces having the center located adjacent to the point equidistantly spaced apart from the lower ends of electrodes, and the electrodes are inclined at an angle to the vertical so that the distance between the lower ends thereof may be reduced to a minimum.

REFERENCES:
patent: 1234836 (1917-07-01), Webb
patent: 3588309 (1971-06-01), Yasukawa et al.
patent: 3829595 (1974-08-01), Nanjyo et al.
patent: 4021603 (1977-05-01), Nanjyo et al.

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