Pneumatic steelmaking vessel and method of producing steel
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United States of America Patent
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Jun 5, 1990
Grant Date -
N/A
app pub date -
Aug 23, 1989
filing date -
Aug 23, 1989
priority date (Note) -
Expired
status (Latency Note)
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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.
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