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:
Jul. 07, 1998
Filed:
Sep. 24, 1996
Applicant:
Inventors:
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
34424 ; 34498 ;
Abstract
A process and an apparatus is disclosed for drying sludge or other materials, more specifically, sewage sludge, in which a mixture of base material and wet material is introduced to a drier and passing hot gas or hot air passed over the mixture. The process and apparatus by regulating the feed rate of the wet material (wet sludge) in relation to the exit temperature of the hot gas or hot air from the drier. In embodiments, the feed rate of material is adjusted to maintain a substantially constant temperature of the gas.