Title:
【発明の名称】固体粒子を超微粉砕する超微粉砕装置および超微粉砕方法
Document Type and Number:
Japanese Patent JP2003512154
Kind Code:
A
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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Inventors:
Niemi, Yoko
Ilmasti, Beicco
Suominen, Hannu
Ilmasti, Beicco
Suominen, Hannu
Application Number:
JP2001531514A
Publication Date:
April 02, 2003
Filing Date:
October 19, 2000
Export Citation:
Assignee:
BCD Group
Micro Pulver Limited Yusuke Osamu
Micro Pulver Limited Yusuke Osamu
International Classes:
B02C13/08; B02C7/04; B02C13/20; B02C13/26; B02C13/282; B02C13/286; B02C13/30; B02C19/06; (IPC1-7): B02C13/08; B02C13/20; B02C13/26; B02C13/282; B02C13/286; B02C13/30
Attorney, Agent or Firm:
Takashi Ishida (4 others)