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
Application number
JP4967789U
Other languages
Japanese (ja)
Other versions
JPH0751182Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989049677U priority Critical patent/JPH0751182Y2/en
Publication of JPH02142680U publication Critical patent/JPH02142680U/ja
Application granted granted Critical
Publication of JPH0751182Y2 publication Critical patent/JPH0751182Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] ほぼ鉛直な軸線のまわりに軸対称に配されて上
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.
JP1989049677U 1989-04-28 1989-04-28 Rotary classifier Expired - Lifetime JPH0751182Y2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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