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. 11, 2002
Filed:
Aug. 31, 2000
Danieli & C. Officine Meccaniche, Buttrio, IT;
Abstract
Device for the direct reduction of iron oxides of the type with a gravitational load, comprising a reactor defining, in its upper part, at least a zone inside which the reduction reaction occurs, means ( ) to introduce the load through a mouth ( ) of the reactor, means ( ) to introduce a current of gas into at least one section of the reactor in correspondence with the reduction zone, outlet means ( ) of the reduced material from the bottom of the reactor, and means ( ) to discharge the exhaust fumes, said reactor ( ) including at least a first upper zone ( ) of heating, pre-reduction and final reduction, with a taper diverging downwards, and a second lower zone ( ) of carburization and cooling, with a taper converging downwards.