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1. WO2010093813 - CENTRIFUGAL DRYER WITH REPLACEABLE BLADES AND SELF CLEANING ROTOR SEAL AND CENTRIFUGAL DEWATERING TOWER

Publication Number WO/2010/093813
Publication Date 19.08.2010
International Application No. PCT/US2010/023930
International Filing Date 11.02.2010
IPC
F26B 17/24 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
17Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
24with movement performed by shooting or throwing the materials
CPC
B29B 9/065
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
9Making granules
02by dividing preformed material
06in the form of filamentary material, e.g. combined with extrusion
065under-water, e.g. underwater pelletizers
B29B 9/16
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
9Making granules
16Auxiliary treatment of granules
F16J 15/164
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
JPISTONS
15Sealings
16between relatively-moving surfaces
164the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
F26B 17/24
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
17Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
24with movement performed by shooting or throwing the materials ; , e.g. after which the materials are subject to impact
F26B 5/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
5Drying solid materials or objects by processes not involving the application of heat
08by centrifugal treatment
Applicants
  • HOLMES, George [US]/[US]
  • RYBKA, Tadeusz [US]/[US]
Inventors
  • HOLMES, George
  • RYBKA, Tadeusz
Agents
  • LYNCH, Brian
Priority Data
61/151,73011.02.2009US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CENTRIFUGAL DRYER WITH REPLACEABLE BLADES AND SELF CLEANING ROTOR SEAL AND CENTRIFUGAL DEWATERING TOWER
(FR) DESSICCATEUR CENTRIFUGE À LAMES REMPLAÇABLES ET À JOINT DE ROTOR AUTONETTOYANT ET TOUR DE DÉSHYDRATATION CENTRIFUGE
Abstract
(EN)
A centrifugal pellet dryer with a self-cleaning rotor seal, replaceable wear plates, and a fluid powered dewatering tower is presented. The self-cleaning rotor seal includes a plurality of grooves that are structured to eject pellet debris that migrates into between the seal and the housing for the rotor. The replaceable wear plates are secured to the rotor at locations such that they contact pellets that are entering the rotor housing. The dewatering tower includes a helical augur that dewaters a pellet slurry and delivers partially dried pellets to the rotor housing.
(FR)
La présente invention concerne un dessiccateur centrifuge de granules avec joint de rotor autonettoyant, des plaques d'usure remplaçables, et une tour de déshydratation à alimentation hydraulique. Le joint de rotor autonettoyant comprend une pluralité de sillons qui sont structurés pour éjecter les débris de granules qui migrent vers l'intérieur, entre le joint et le boîtier du rotor. Les plaques d'usure remplaçables sont fixées au rotor à des emplacements tels qu'elles sont en contact avec les granules qui pénètrent dans le boîtier du rotor. La tour de déshydratation comprend une vis à ruban qui déshydrate une suspension de granules et déverse les granules partiellement secs dans le boîtier de rotor.
Also published as
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