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:
Dec. 08, 1987
Filed:
Sep. 30, 1986
Applicant:
Inventors:
Heinz Haacker, Kreuztal-Ferndorf, DE;
Helmut Wensing, Essen, DE;
Assignee:
MAN Gutehoffnungshutte GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28D / ;
U.S. Cl.
CPC ...
165 88 ; 165169 ; 432 83 ;
Abstract
In a rotary tube cooler for indirect cooling of pulverized to granular material with a revolving drum, the drum shell of the rotary tube cooler is formed of a tube system through which a liquid cooling medium is conducted. The tube system comprises either tubes meandering in longitudinal direction of the rotary tube cooler, or be formed of spiral tubes, or the combination of meandering and spiral tubes. The tubes are welded together. The feed of the cooling medium and the discharge of the heated cooling medium occurs via swivel joints. Connected downstream is a device for utilization of the waste heat of the rotary tube cooler.