IP Library Granted Patent US 7,757,975
Granted Patent B2
US 7,757,975 · App. 11/909,383 · Granted Jul 20, 2010

Device and method for drying and deagglomerating

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Quick Facts
Patent No.
US 7,757,975
App. No.
11/909,383
Granted
Jul 20, 2010
Kind
B2
Abstract

The invention relates to a device and method for drying and deagglomerating moist feed material, whereby the feed material is kneaded, mixed and broken up by the action of at least one roller rolling on a driven plate and is dried by means of hot gas supplied thereto. The invention also relates to a method for converting this device into a mill drying device, whereby the at least one roll is provided with a pressing device.

Claims (2)

1. A method of drying and deagglomerating moist feed material, characterised in that at least 70% of the feed material has a particle size of less than 200 μm and the feed material has a moisture content of 15% to 50%, the feed material is kneaded, mixed and broken up by the action of at least one roller ( 2 ) rolling on a driven plate ( 1 ) and is dried by means of supplied hot gas and wherein the material bed forming on the plate is detached and broken up.

2. A method according to claim 1 , characterised in that some of the feed material which has already been dried is fed back to the grinding plate.

Assignments (2)
CHANGE OF NAME Recorded Aug 3, 2011
From: POLYSIUS AG
To: THYSSENKRUPP POLYSIUS AKTIENGESELLSCHAFT
Reel/Frame 026691/0957 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 24, 2007
From: HALBLEIB, ANDREAS; PALMA, PEDRO GUERRERO; MENZEL, KARI
To: POLYSIUS AG
Reel/Frame 019870/0280 →