The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 23, 2009

Filed:

Jul. 10, 2003
Applicants:

Mark Bernard Denys, Amsterdam, NL;

Hendrikus Koenraad Albertus Meijer, Uitgeest, NL;

Inventors:
Assignee:

Corus Technology BV, Ca Imjuiden, NL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21C 5/32 (2006.01); C21B 3/00 (2006.01);
U.S. Cl.
CPC ...
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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