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:
Nov. 03, 2015
Filed:
Oct. 01, 2013
Applicants:
Travis Wright, Charlotte, NC (US);
Steve Montague, Charlotte, NC (US);
Inventors:
Travis Wright, Charlotte, NC (US);
Steve Montague, Charlotte, NC (US);
Assignee:
Midrex Technologies, Inc., Charlotte, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
C21B 13/00 (2006.01); F27D 99/00 (2010.01); C21B 13/02 (2006.01); F27B 1/00 (2006.01); F27B 1/10 (2006.01);
U.S. Cl.
CPC ...
F27D 99/00 (2013.01); C21B 13/02 (2013.01); F27B 1/005 (2013.01); F27B 1/10 (2013.01);
Abstract
The present invention provides a combination reforming/reducing shaft furnace for the production of direct reduced iron that utilizes one or more burden uniformity enhancers, such as one or more rotating/reciprocating mixing shafts, one or more stationary flow aids, one or more wall structures/variations, one or more agitators, or the like for ensuring that reforming and reducing in the shaft furnace take place evenly across the width of and throughout the depth of the burden in the shaft furnace.