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. 04, 2015
Filed:
Jul. 23, 2013
Vale S/a, Rio de Janeiro, BR;
Hamilton Porto Pimenta, Belo Horizonte, BR;
Marcus Eduardo Emrich Botelho, Belo Horizonte, BR;
VALE S.A., Rio de Janiero, BR;
Abstract
The present invention describes an advantageous and effective streamlined process for the production of iron ore pellets, the green pellets replacing the burnt pellets for covering the metallic surface in 'travelling grate' furnace during the burning step, the process comprising at least some or all of the steps of grinding the iron ore; filtering the crushed iron ore; mixing the filtered iron ore with at least one binder; pelletizing the mixture; drying the green pellets; transferring the pellets to the side and bottom grids of a 'travelling grate' furnace equipment and screening the burnt iron ore pellets. An optimized process for the production of iron ore pellets is provided that is innovative, efficient and economical when compared to currently known processes.