Method and apparatus for the reducing treatment of molten metals

Details Method and apparatus for the reducing treatment of molten metals Method and apparatus for the reducing treatment of molten metals

1985-12-06

1987-01-27

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 24, 75 515, 75 96, 266217, 266225, C22B 1500

Patent

active

046392696

ABSTRACT:
A method and apparatus for reducing molten metals and/or slags thereof which involves top-blowing at least one reduction gas stream wherein fine grained coal or coke particles and injected for covering the surface of the molten metal beyond the blow impression formed by the reduction gas stream. The particles of the stream are at least partially gasified into a carbon monoxide (CO) contained reduction gas stream before they hit the metal surface, so that a mixture of carbon monoxide and coke is blown onto the metal surface together with the reduction gas stream. The coke particles are then radially moved toward the outside of the blow impression at all sides to form a thin veil beyond the perimeter of the blow impressions.

REFERENCES:
patent: 2991173 (1961-07-01), Trentini
patent: 3684539 (1972-08-01), Bartholomew
patent: 3900311 (1975-08-01), Nilles
patent: 4329171 (1982-05-01), Robert

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