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:
Sep. 22, 1981
Filed:
Mar. 05, 1979
Alfred Kryczun, Cologne, DE;
Theodor Manshausen, Cologne, DE;
Klockner-Humboldt-Deutz AG, , DE;
Abstract
Method and apparatus for cooling hot reduced material output from a reduction furnace without exposing the material to oxygen in the air. A fluid-bed-cooler which receives the heated, reduced, material from the reduction furnace contains cooling pipes through which a cooling liquid is passed for indirectly cooling the reduced material. Additionally, the cooler is connected to a positive pressure reduction gas recirculating distribution system which continually passes cooled and cleaned oxygen-free reduction gases over the heated, reduced, material to be cooled. Any losses due to leaks in the recirculating reduction system, are replaced by oxygen-free reduction gas supplied from an exhaust gas port of the reduction furnace.