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:
Nov. 04, 2014
Filed:
Oct. 19, 2009
Applicant:
Detlev Kupper, Telgte, DE;
Inventor:
Detlev Kupper, Telgte, DE;
Assignee:
Polysius AG, Beckum, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 7/45 (2006.01); C04B 2/10 (2006.01); F23J 3/00 (2006.01); F23B 70/00 (2006.01); F23B 80/02 (2006.01); F23C 9/00 (2006.01); F27B 21/00 (2006.01); F27B 15/00 (2006.01); F27B 7/02 (2006.01); F27B 9/14 (2006.01); F27B 9/02 (2006.01); C04B 7/36 (2006.01); F27B 7/20 (2006.01); F27D 17/00 (2006.01); C04B 7/43 (2006.01);
U.S. Cl.
CPC ...
C04B 7/434 (2013.01); C04B 7/367 (2013.01); F27B 7/2033 (2013.01); F27D 17/008 (2013.01);
Abstract
In the method according to the invention for producing cement clinker, raw cement meal is preheated in a preheater, the preheated raw cement meal is precalcined in a calciner and the precalcined raw cement meal is burnt in a kiln, fuel and combustion air having an oxygen content of at least 75 mol % being used in the calciner, and the raw cement meal being precalcined in a fluidised bed in the calciner. The exhaust gases occurring in the kiln are delivered to the preheater, bypassing the calciner, and the exhaust gases of the calciner are delivered to a COpreparation device.