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. 02, 1994
Filed:
Dec. 21, 1992
Applicant:
Inventor:
Christoph Heinze, Burghausen, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
34363 ; 34600 ;
Abstract
An apparatus known per se for the thermal treatment of a mixture of solids and gases, comprising a vessel having an axially symmetrical interior, which vessel has in the lower part and in the upper part in each case at least one tangentially arranged opening, in the interior of the vessel at least one annular baffle tightly sealing to the vessel wall being arranged between the two openings, and the lower part of the vessel having a smaller diameter, is operated or is designed so that in the lower part a high radial velocity and short residence time prevail and in the upper part a low radial velocity and long residence time prevail.