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. 24, 2004
Filed:
Apr. 15, 2002
Hubert Ramesohl, Bergisch, DE;
Hans-Wilhelm Meyer, Langenzenn, DE;
KHD Humboldt Wedag AG, Cologne, DE;
Abstract
In the production of cement clinker or cement with the addition of a cement additive ( ), such as for example slag, which is ground in a closed-circuit grinding installation into slag meal ( ) of equal fineness to cement, in order to utilize excess slag capacity in a beneficial way in the cement clinker production process, an intermediate slag fraction ( ) withdrawn from a three-fraction classifying device ( ) is added as a raw material component to the stock inlet of the rotary kiln ( ) of the cement clinker production line, and at the same time the chemical composition of the remaining raw material components ( ) is adapted to the added quantity ( ) of the intermediate slag fraction.