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:
Oct. 11, 2016

Filed:

Mar. 10, 2014
Applicant:

Nu-iron Technology, Llc, Charlotte, NC (US);

Inventors:

David Hendrickson, Coleraine, MN (US);

John Brandon, Charlotte, NC (US);

Les Hart, Baton Rouge, LA (US);

John Anderson, Madison, AL (US);

Assignee:

Nu-Iron Technology, LLC, Charlotte, NC (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 1/16 (2006.01); C21B 13/00 (2006.01); C22B 1/244 (2006.01); B05D 1/40 (2006.01); B05D 7/14 (2006.01); C23F 15/00 (2006.01);
U.S. Cl.
CPC ...
C22B 1/16 (2013.01); B05D 1/40 (2013.01); B05D 7/14 (2013.01); C21B 13/0093 (2013.01); C22B 1/244 (2013.01); C23F 15/00 (2013.01); Y02P 10/136 (2015.11);
Abstract

Method of reclaiming and inhibiting activation of DRI fines is disclosed comprising the steps of forming a moving stream or pile containing DRI pellets and DRI fines, coating the moving stream or the pile of DRI pellets and DRI fines with a coating material comprising an alkane mixture in the C15 to C40 range to form a coating on the DRI pellets and DRI fines and cause DRI fines to adhere together and to the DRI pellets to form a plurality of agglomerates, and moving the agglomerates of coated DRI pellets and coated DRI fines to a facility for use in making steel. The coating material may be applied to coat the DRI pellets and DRI fines at a rate between 0.2 and 2.0 gallons per ton of DRI processed. The coating material may be mineral oil.


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