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:
May. 31, 1988
Filed:
Oct. 31, 1986
Albrecht Wolter, Cologne, DE;
Horst Herchenbach, St. Johann, DE;
Abstract
A method and apparatus for the thermal treatment of pulverulent raw material in the manufacture of cement clinker including passing raw material first through a multi-stage preheating treatment including cyclones arranged following one another, next passing the material through a reaction stack for calcination, then passing the material through a sintering kiln and thereafter through a clinker cooler, the exhaust air from the clinker cooler and the exhaust gas from the sintering kiln being passed parallel to the each other with the material discharged into conduits respectively carrying the discharged clinker cooler air and the sintering gases with burners in the conduits and the gases thereafter passing up through the reaction stack and then through a separator and into the sintering kiln.