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. 31, 1982
Filed:
Mar. 20, 1980
Applicant:
Inventor:
Takeo Nakamura, deceased, late of Osaka, JP;
Assignee:
Osaka Gas Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23G / ;
U.S. Cl.
CPC ...
110259 ; 110235 ; 110251 ; 266200 ; 432 97 ;
Abstract
A furnace for treating sewage sludge, ash from municipal incinerators or other industrial wastes by melting the waste with a high-temperature bed formed from a combustible carbonaceous material for the reuse of the resulting molten product, for example, as aggregate. A gas for combustion is supplied to the bed at an intermediate portion between its upper and lower portions while causing the resulting combustion gas to flow through the bed dividedly upward and downward.