JPH02142680U - - Google Patents
Info
- Publication number
- JPH02142680U JPH02142680U JP4967789U JP4967789U JPH02142680U JP H02142680 U JPH02142680 U JP H02142680U JP 4967789 U JP4967789 U JP 4967789U JP 4967789 U JP4967789 U JP 4967789U JP H02142680 U JPH02142680 U JP H02142680U
- Authority
- JP
- Japan
- Prior art keywords
- classification
- rotary classifier
- blade
- rotation direction
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000843 powder Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Description
第1図は本考案の一実施例を示す縦断面図、第
2図は第1図の−横断面図、第3図は本考案
と従来のものとの微粉粒度分布を比較する線図で
ある。第4図は回転式分級機を設けたローラミル
の一例を示す正面断面図である。第5図はローラ
ミルに取付けられた従来の回転式分級機の一例を
示す斜視図、第6図は同じく分級羽根の配置を回
転軸方向に見た模式図、第7図は同じく分級羽根
に対する石炭粒子の衝突状況を示す図である。
1……分級羽根、2……給炭管、3……回転テ
ーブル、4……粉砕ローラ、5……熱風入口部、
6……熱風吹上部、7……回転式分級機、8……
微粉炭管、9……上部支持板、10……下部支持
板、11……ガイドベーン、12……ケーシング
、13a……上部空間、13b……下部空間、2
1……分級羽根、S……粒子。
Figure 1 is a longitudinal sectional view showing an embodiment of the present invention, Figure 2 is a cross-sectional view of Figure 1, and Figure 3 is a diagram comparing the particle size distribution of the present invention and a conventional one. be. FIG. 4 is a front sectional view showing an example of a roller mill equipped with a rotary classifier. Figure 5 is a perspective view showing an example of a conventional rotary classifier attached to a roller mill, Figure 6 is a schematic diagram of the arrangement of the classification blades as seen in the direction of the rotation axis, and Figure 7 is the coal relative to the classification blades. FIG. 3 is a diagram showing a collision situation of particles. 1...Classifying blade, 2...Charcoal feeding pipe, 3...Rotary table, 4...Crushing roller, 5...Hot air inlet section,
6...Hot air blower part, 7...Rotary classifier, 8...
Pulverized coal pipe, 9... Upper support plate, 10... Lower support plate, 11... Guide vane, 12... Casing, 13a... Upper space, 13b... Lower space, 2
1... Classifying blade, S... Particle.
Claims (1)
記軸線のまわりに回転する複数の分級羽根により
、気体中の粉体を細粉と粗粉とに分離する回転式
分級機において、上記分級羽根と分級羽根回転方
向とのなす角が、同分級羽根の上部においては下
部におけるよりも小さいことを特徴とする回転式
分級機。 In a rotary classifier that separates powder in a gas into fine powder and coarse powder using a plurality of classification blades arranged axially symmetrically around a substantially vertical axis and rotating around the axis, the classification blades A rotary classifier characterized in that the angle formed between the rotation direction of the classification blade and the rotation direction of the classification blade is smaller at the upper part of the classification blade than at the lower part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989049677U JPH0751182Y2 (en) | 1989-04-28 | 1989-04-28 | Rotary classifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989049677U JPH0751182Y2 (en) | 1989-04-28 | 1989-04-28 | Rotary classifier |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02142680U true JPH02142680U (en) | 1990-12-04 |
JPH0751182Y2 JPH0751182Y2 (en) | 1995-11-22 |
Family
ID=31567577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989049677U Expired - Lifetime JPH0751182Y2 (en) | 1989-04-28 | 1989-04-28 | Rotary classifier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0751182Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002018301A (en) * | 2000-07-04 | 2002-01-22 | Babcock Hitachi Kk | Classification device and vertical mill |
WO2015049912A1 (en) * | 2013-10-01 | 2015-04-09 | 三菱日立パワーシステムズ株式会社 | Vertical roller mill |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60232257A (en) * | 1984-04-28 | 1985-11-18 | 川崎重工業株式会社 | Vertical type roller mill |
-
1989
- 1989-04-28 JP JP1989049677U patent/JPH0751182Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60232257A (en) * | 1984-04-28 | 1985-11-18 | 川崎重工業株式会社 | Vertical type roller mill |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002018301A (en) * | 2000-07-04 | 2002-01-22 | Babcock Hitachi Kk | Classification device and vertical mill |
WO2015049912A1 (en) * | 2013-10-01 | 2015-04-09 | 三菱日立パワーシステムズ株式会社 | Vertical roller mill |
JP2015066544A (en) * | 2013-10-01 | 2015-04-13 | 三菱日立パワーシステムズ株式会社 | Vertical roller mill |
Also Published As
Publication number | Publication date |
---|---|
JPH0751182Y2 (en) | 1995-11-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |