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:
Mar. 27, 1984
Filed:
May. 09, 1983
Applicant:
Inventor:
Dominic M Faccone, Matthews, NC (US);
Assignee:
Midrex Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
75 35 ; 75 91 ;
Abstract
A method of making high quality reducing gas for the direct reduction of iron wherein natural gas and steam are passed through a steam reformer to form a high temperature reducing gas, followed by mixing the high temperature reducing gas with spent top gas from a direct reduction shaft furnace, then passing the mixture through a stoichiometric reformer to form a high quality reducing gas for introduction to the shaft furnace.