Centrifugal dryer for separation of surface water from plastic granules
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United States of America Patent
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-
Feb 23, 1993
Grant Date -
N/A
app pub date -
Jan 15, 1992
filing date -
Feb 28, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotor (2) surrounded by a strainer basket (3) is arranged vertically in a housing (1). Conveyor blades (7) arranged one above the other are distributed over the rotor (2) to convey plastic granules from a product inlet (14) arranged at the bottom of the housing to a discharge unit (15). A fan (19) is disposed in a discharge hood (16) and it has ejector blades (21) for assisting the radial discharge of the granules into unit (15). In order to change the residence time of the plastic granules in the dryer, a change in pressure is produced in the centrifugal dryer by replacing the fan with one having ejector blades whose outer diameter and/or length is different, the diameter of rotor (2) and its conveyor blades (7) being kept the same.
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