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:
Apr. 22, 2003
Filed:
Oct. 02, 2001
Henry Rafael Bueno, Puerto Ordaz, VE;
David Rabascall, Puerto Ordaz, VE;
Gianpietro Benedetti, Campoformido, IT;
Danieli & C. Officine Meccaniche SpA, Buttrio, IT;
Abstract
Apparatus for the direct reduction of mineral iron comprising a vertical reduction furnace ( ) of the type with a gravitational load to achieve therein reduction reactions of the mineral iron, means ( ) to feed the mineral iron into the furnace ( ) from above, means to raise the temperature of a reducing gas, mixing means suitable to obtain a mixture of the reducing gas with at least a hydrocarbon, means to inject the mixture of high temperature gas, and means to remove ( ) the reduced mineral from the lower part of the furnace ( ), the furnace ( ) being provided with at least two zones ( ), arranged vertically distanced, in each of which a mixture of high temperature gas is suitable to be introduced so as to achieve the reduction reactions in a controlled manner.