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:
Feb. 01, 1994
Filed:
May. 11, 1992
Applicant:
Inventors:
Kiranenda Chaudhuri, Troisdorf-Sieglar, DE;
Gerhard Melcher, Cologne, DE;
Assignee:
Kloeckner-Humboldt-Deutz AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75639 ; 75707 ; 266182 ;
Abstract
A method and apparatus for high temperature treatment of particulate metal ore concentrate solids with a cyclone having a tangentially positioned burner directing a jet flame into the cyclone, an ore injecting nozzle positioned to inject a stream of ore with oxygen containing gas into the jet flame of the burner at a location at least one-third of the travel of the flame and into the hottest region thereof so that the particles are melted and do not abrasively impact the walls of the cyclone in an unmelted stage.