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. 13, 2002
Filed:
Aug. 17, 1999
Applicant:
Inventors:
Hans Ruegg, Wohlen, CH;
Christian Steiner, Zürich, CH;
Beat Stoffel, Zumikon, CH;
Christian Wieckert, Seon, CH;
Assignee:
Asea Brown Boveri AG, Baden, CH;
Primary Examiner:
Int. Cl.
CPC ...
C22B 7/04 ;
U.S. Cl.
CPC ...
C22B 7/04 ;
Abstract
In a process for melting inorganic materials ( ) in a rotary horizontal converter or a rotary kiln ( ) by adding fuel ( ), oxygen or oxygen-enriched gases ( ) and the inorganic materials ( ) to a liquid bath ( ), solid fuel ( ) is added in piece form. The oxygen or the oxygen-enriched gas ( ) is blown at high velocity (v) onto the surface of the bath ( ), reacts with the solid fuel ( ) and releases heat in the course of this. By means of the process of the invention, high temperatures can be achieved with the use of inexpensive fuels.