CLASSIFYING APPARATUS FOR POWDERY SUBSTANCE

WIPO Patent Application WO/2007/083813

A1

A classifying apparatus including a magnetic stirrer composed of main body (1) and rotor (2) and, disposed on the main body of the magnetic stirrer, classifying tube (3). The interior of the classifying tube is provided with classifying compartments (A-E) partitioned from each other by divider plates (5a-5b). The lowermost classifying compartment (A) is furnished with gas emission conduit line (7). In the classifying compartment (A), the rotor (2) of the magnetic stirrer is disposed. From gas supply source (8), a high-pressure gas is fed into the gas emission conduit line. By means of the gas emitted from the gas emission conduit line, a vortex flow rising from the lowermost classifying compartment sequentially toward superior classifying compartments is generated in the classifying tube. Simultaneously, the rotor of the magnetic stirrer is rotated, so that powdery substance (O) within the classifying compartment (A), while being carried by the vortex flow, undergoes particle size classification in each of the classifying compartments.

HIDAKA JUSUKE (JP)
YOSHIKADO SHINZO (JP)
SHIRAKAWA YOSHIYUKI (JP)
ITO YOSHIAKI (JP)
HAYAKAWA KIYOSHI (JP)
WATANABE YUUKO (JP)

PCT/JP2007/050999

July 26, 2007

January 23, 2007

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DOSHISHA (JP)
UNIV KYOTO (JP)
FUKUJUEN CO LTD (JP)
HIDAKA JUSUKE (JP)
YOSHIKADO SHINZO (JP)
SHIRAKAWA YOSHIYUKI (JP)
ITO YOSHIAKI (JP)
HAYAKAWA KIYOSHI (JP)
WATANABE YUUKO (JP)

B07B7/01; A23F3/06; B01F13/08; B03C3/155

JPH05285411A	1993-11-02
JP2000042492A	2000-02-15
JPS6384676A	1988-04-15
JP2002035699A	2002-02-05
JPH11184153A	1999-07-09

MINORI PATENT PROFESSION CORPORATION (200 Takamiya-cho, Oike-dori Takakura Nishi-iru, Nakagyo-k, Kyoto-shi Kyoto, JP)

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