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:
Jul. 27, 2004
Filed:
Mar. 10, 2003
Applicant:
Inventors:
Pekka Niemela, Tornio, FI;
Eero Väänänen, Tornio, FI;
Jouko Pirttimaa, Tornio, FI;
Olavi Tulkki, Tornio, FI;
Assignee:
Outokumpu Oyj, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23J 2/300 ;
U.S. Cl.
CPC ...
F23J 2/300 ;
Abstract
The invention relates to an arrangement and method for heating gases in a gas circulation duct in connection with continuously operated sintering. In the sintering furnace, hot gas is fed in from above the belt in order to sinter the material located on the belt, and part of the gas circulation duct is formed as a burning zone, a burner ring, where the gas is heated. The burner ring comprises at least one burner unit directed inwardly from the circumference of the gas circulation duct.