Title:
METHOD FOR CLASSIFYING POWDER
Document Type and Number:
WIPO Patent Application WO/2011/132301
Kind Code:
A1
Abstract:
Provided is a method for classifying a powder using a classifier, wherein the method comprises: a mixing step for mixing a powder and an auxiliary agent formed from an alcohol aqueous solution containing 10 to 50 mass% of an alcohol; an introduction step for introducing the powder mixed in the mixing step to the classifier; a heating step for heating a gas; a feed step for feeding the gas heated in the heating step to the classifier; and a classifying step for classifying the powder in the classifier on the basis of grain size.
Inventors:
KOZAWA KAZUMI (JP)
AKIYAMA SATOSHI (JP)
ANDO KOSUKE (JP)
AKIYAMA SATOSHI (JP)
ANDO KOSUKE (JP)
Application Number:
PCT/JP2010/057206
Publication Date:
October 27, 2011
Filing Date:
April 23, 2010
Export Citation:
Assignee:
NISSHIN ENG INC (JP)
KOZAWA KAZUMI (JP)
AKIYAMA SATOSHI (JP)
ANDO KOSUKE (JP)
KOZAWA KAZUMI (JP)
AKIYAMA SATOSHI (JP)
ANDO KOSUKE (JP)
International Classes:
B07B7/08; B03B1/04; B07B11/02; B22F1/14; B22F1/142
Domestic Patent References:
| WO2010047175A1 | 2010-04-29 |
Foreign References:
| JPH01180285A | 1989-07-18 | |||
| JPS6485149A | 1989-03-30 | |||
| JPS61222562A | 1986-10-03 | |||
| JPH06126252A | 1994-05-10 | |||
| JP2009034560A | 2009-02-19 | |||
| JPS6485149A | 1989-03-30 |
Other References:
See also references of EP 2561935A4
Attorney, Agent or Firm:
FUJIMOTO YOSHIHIRO (JP)
Yoshihiro Fujimoto (JP)
Yoshihiro Fujimoto (JP)
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Claims: