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. 08, 1983
Filed:
Apr. 22, 1982
Applicant:
Inventors:
Martin Schmidt, Bochum, DE;
Walter Kohler, Bochum, DE;
Hans-Ulrich Loch, Bochum, DE;
Albrecht Weber, Ratingen, DE;
Assignee:
Klockner-Humboldt-Deutz AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F / ; C01B / ; F27B / ;
U.S. Cl.
CPC ...
423175 ; 423637 ; 432 22 ; 432 96 ;
Abstract
A method and apparatus for calcining minerals, particularly limestone, in a shaft kiln having at least two vertically spaced levels including cooled hollow supports through which a solid fuel is introduced into the kiln. One feature of the present invention resides in employing a granular coal as the fuel while other features are involved with the distribution of fuel between various inlet points, suspension of the fuel in an airstream, and the mechanical construction of the fuel conduits and their support located within the shaft kiln.