C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
307/16, 53/47
C25C 3/00 (2006.01) C21B 13/12 (2006.01) C22B 4/00 (2006.01) C25C 5/00 (2006.01)
Patent
CA 1198899
ABSTRACT OF THE DISCLOSURE: In a method of reducing oxide-containing fine-particle ores, the ore particles are melted and reduced in a rota- tionally symmetric melting vessel in the presence of solid, liquid or gaseous carbon carriers by the action of a plas- ma jet of a plasma burner. At least part of the ore part- icles to be reduced are introduced through charging open- ings in the side wall of the vessel and are set in a cy- clonic rotational movement. The plasma jet of the plasma burner is generated within the rotating particle stream. An arrangement for carrying out the method comprises a re- fractorily lined melting vessel having a rotationally sym- metric inner space and including charging openings for the addition of oxide-containing ore particles and fluxing agents. There are openings for solid, liquid or gaseous carbon carriers and other fluxes, and at least one plasma burner. In the side wall of the melting vessel charging lan- ces are arranged, which are directed into the space be- tween the side wall of the melting vessel and its central axis.
418600
Leutgob Alois
Lugscheider Walter
Mullner Paul
Riegler Ernst
Fetherstonhaugh & Co.
Voest - Alpine Aktiengesellschaft
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