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:
Aug. 10, 1999
Filed:
Aug. 17, 1994
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A method for heating a low temperature carbonization drum includes generating a low temperature carbonization gas in the drum; combusting a partial flow of the low temperature carbonization gas for generating a heating gas; conducting the heating gas in a heating gas circuit; preheating the cooled heating gas flowing out of the drum; and then returning a controllable partial flow of the cooled heating gas to the drum while re-admixing the controllable partial flow with the heating gas. A device for heating the low temperature carbonization drum includes a heating gas circuit having an inflow line and an outflow line connected to the drum generating low temperature carbonization gas; the heating gas circuit having a combustion chamber for receiving a partial flow of the low temperature carbonization gas from the drum and generating a heating gas to be delivered to the drum; and the heating gas circuit having a heat exchanger connected upstream of the combustion chamber for preheating the heating gas being cooled in the drum. A low temperature carbonization/combustion plant includes a combustion chamber of a combustion system receiving a remaining flow of the low temperature carbonization gas generated in the drum. The combustion system produces steam to be supplied to the heat exchanger.