Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Reexamination Certificate
2003-07-10
2009-06-23
King, Roy (Department: 1793)
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By means introducing treating material
C266S275000
Reexamination Certificate
active
07550108
ABSTRACT:
Metallurgical vessel for iron and steel making including a bottom portion, a sidewall and a lance arrangement of at least two lances for supplying oxygen containing gas to the interior of the vessel in operation. Each lance includes an end portion for emitting oxygen containing gas. The lance arrangement is configured so as to achieve in operation a substantially downwardly directed flow of post-combusted gases at the side wall of the vessel and a substantially upwardly directed flow of post-combusted gases in the center of the vessel.
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Denys Mark Bernard
Meijer Hendrikus Koenraad Albertus
Corus Technology BV
Fogarty Caitlin
King Roy
Novak Druce & Quigg LLP
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