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:
Jun. 02, 1981
Filed:
Oct. 22, 1979
Applicant:
Inventors:
William A Ahrendt, Charlotte, NC (US);
Donald Beggs, Charlotte, NC (US);
Assignee:
Midrex Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
266156 ; 266195 ; 75 35 ;
Abstract
A method and apparatus for the direct reduction of iron oxide utilizing sulfur-containing gas such as coke oven gas for the process gas. Sulfur-containing gas is heated and injected above the reduction zone to transfer the sulfur to the hot burden. The apparatus includes an upper bustle zone for prereduction and sulfur transfer and a lower bustle zone for the final reduction of the burden to metallized iron.