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:
Apr. 11, 1978
Filed:
Nov. 19, 1976
Helge Carl Kartman, Copenhagen Valby, DK;
F. L. Smidth & Co., Cresskill, NJ (US);
Abstract
A tube mill is disclosed for drying and grinding moist material which comprises at least one compartment for drying moist material and at least one compartment communicating with the drying compartment for grinding the material. A separating chamber is positioned between the adjacent communicating drying and grinding compartments with means being provided for introducing hot gases and material to the drying compartment so that the material may pass to the separating chamber and the grinding compartment. A sieve drum is centrally positioned within the separating chamber to sieve hot gases and entrained material and to direct the hot gases and entrained material to the interior of the separating chamber while the separating chamber is divided into compartments by a plurality of radial vanes and is subdivided by partitioning members such that gases and entrained material passing through the compartments of the separating chamber travel along a circuitous path which effects a separation of the entrained material while scoop members convey material to the compartments of the separating chamber and the radial vanes direct the material to the successive grinding compartment. A separating chamber for separating gases and entrained material is also disclosed.