Micronizing device and method for micronizing solid particles
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United States of America Patent
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May 15, 2001
Grant Date -
N/A
app pub date -
Oct 21, 1999
filing date -
Oct 21, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a micronizing device comprising a grinding housing with an outlet opening at one end, two coaxially positioned rotatably driven hollow axles entering the grinding house through two opposite side walls thereof, each of said axles having an inner end provided with a conically enlarging disc defining a grinding chamber, a circumferential outlet gap being formed between said discs, each disc being provided with at least one concentrically positioned ring of axially directed taps or wings near the circumference of the disc, the rings having different diameters, so that said discs can be driven to rotate in opposite directions, two acceleration nozzles are brought into the grinding chamber through the hollow axles, said nozzles being directed towards a common point in the grinding chamber away from a center point of said grinding chamber. The invention concerns also a method using said device.
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