Pneumatic steelmaking vessel and method of producing steel

Details Pneumatic steelmaking vessel and method of producing steel Pneumatic steelmaking vessel and method of producing steel

1989-08-23

1990-06-05

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

266217, 75 1017, 75543, C21C 700

Patent

active

049310909

ABSTRACT:
The invention encompasses a pneumatic steelmaking vessle and a method for the production of steel from hot carbon-bearing metallized raw materials such as direct reduced iron. The vessle is a refractory-lined ladle, having an eccentric ladle cover with an opening on one side. Opposite the opening in the ladle cover is at least one downwardly directed oxygen lance or tuyere. The vessel is mounted on trunnions for rotation about its central axis to a generally horizontal position. The bottom of the vessel has a porous plug, and a hot metal outlet controlled by a sliding gate closure member or other convenient type closure. The vessel is used in connection with a method of steelmaking by serving as the means for transporting molten metal to melting, refining, ladle metallurgy, and teeming operations.

REFERENCES:
patent: 3971655 (1976-07-01), Takashima
patent: 4036635 (1977-07-01), Klapdar
patent: 4517019 (1985-05-01), Taniguichi
patent: 4541865 (1985-09-01), Sherwood
patent: 4740242 (1988-04-01), Nakamura

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