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.
Patent No.:
Date of Patent:
Aug. 05, 2003
Filed:
Jun. 04, 2001
Applicant:
Inventors:
Rodney James Dry, City Beach, AU;
Robin John Batterham, Parkville, AU;
Assignee:
Technological Resources Pty. Ltd., Melbourne, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21C 5/30 ;
U.S. Cl.
CPC ...
C21C 5/30 ;
Abstract
A direct smelting process and a fixed, ie non-rotatable, metallurgical vessel for producing metal from a metalliferous feed material is disclosed. The process is a molten bath-based process which includes injecting solid feed materials with a carrier gas into the molten bath via one or more downwardly extending lance/tuyere ( ) and causing gas flow from the molten bath at a flow rate of at least 0.30 Nm /s/m at the interface between the metal layer ( ) and the slag layer ( ) of the molten bath (under quiescent conditions).