Title:
分級装置及びそれを備えた竪型粉砕装置ならびに石炭焚ボイラ装置
Document Type and Number:
Japanese Patent JP4865865
Kind Code:
B2
Abstract:
[Problem] To provide a classification device in which product fine powder little in mixture ratio of coarse particles can be obtained. [Means for Resolution] A classification device characterized in that a setting pitch P between stationary fins 13 and a width L of each stationary fin 13 are combined so that a value of P/L is in a range between 0.042×(¸-50)+0.64 and 0.019×(¸-50)+0.22 in 50°¤6¤70° when ¸ is an inclination angle of each stationary fin 13, P is the setting pitch, and L is the width in a direction of circulation of particles.
Inventors:
Yoshinori Otani
Hiroaki Kanemoto
Shinichiro Nomura
Hideo Mitsui
Yutaka Takenouchi
Hiroaki Kanemoto
Shinichiro Nomura
Hideo Mitsui
Yutaka Takenouchi
Application Number:
JP2009534425A
Publication Date:
February 01, 2012
Filing Date:
September 26, 2008
Export Citation:
Assignee:
Babcock Hitachi Ltd.
International Classes:
B07B7/04; B02C15/04; B07B7/083; F23K1/00
Domestic Patent References:
| JPH06134401A | 1994-05-17 | |||
| JPS6150678A | 1986-03-12 | |||
| JP2002119920A | 2002-04-23 | |||
| JPS63141640U | 1988-09-19 | |||
| JPH0551484U | 1993-07-09 | |||
| JP2005324104A | 2005-11-24 | |||
| JPH07195037A | 1995-08-01 |
Attorney, Agent or Firm:
Patent Business Corporation Takewa International Patent Office