JPS5916497B2 - Vertical fine grinder - Google Patents
Vertical fine grinderInfo
- Publication number
- JPS5916497B2 JPS5916497B2 JP21414481A JP21414481A JPS5916497B2 JP S5916497 B2 JPS5916497 B2 JP S5916497B2 JP 21414481 A JP21414481 A JP 21414481A JP 21414481 A JP21414481 A JP 21414481A JP S5916497 B2 JPS5916497 B2 JP S5916497B2
- Authority
- JP
- Japan
- Prior art keywords
- conical rotor
- stator
- crushed
- pulverized
- vertical
- 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.)
- Expired
Links
Landscapes
- Crushing And Grinding (AREA)
- Crushing And Pulverization Processes (AREA)
Description
【発明の詳細な説明】
本発明は竪型粉砕機に係り、特に粉砕製品の粒子が数ミ
クロンという超微粉砕に適した竪型粉砕機に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vertical pulverizer, and particularly to a vertical pulverizer suitable for ultrafine pulverization in which the particles of a pulverized product are several microns.
最近の技術傾向として、例えば石炭を数ミクロンに微粉
砕し、この石炭と油とを混合して燃料とするなど、あら
ゆる技術分野において微粉砕技術が強く要求されるよう
になつてきている。As a recent technological trend, there is a strong demand for pulverization technology in all technical fields, such as pulverizing coal into particles of several microns and mixing this coal with oil to produce fuel.
従来の竪型粉砕機は、表面に母線に沿つた凸部を有する
円錐状回転子を垂直回転軸によつて正円錐状に軸支し、
この円錐状回転子との間に一定間隙を存して嵌装した表
面に凸部を有する固定子との間で被粉砕物を粉砕するも
のであつた。In a conventional vertical crusher, a conical rotor having a convex portion along the generatrix on its surface is supported in a regular conical shape by a vertical rotating shaft.
The object to be crushed is crushed between the conical rotor and a stator having a convex portion on its surface, which is fitted with a constant gap between the rotor and the conical rotor.
この被粉砕物の粉砕過程は、ケーシング上方に設けられ
た供給口から、円錐状回転子と固定子との間の環状隙間
内に被粉砕物が供給され、高速回転している円錐状回転
子の回転力によつて供給された被粉砕物に速度エネルギ
が与えられて固定子に衝突し、粉砕されながら自重で下
方に移行し、下部排出口から粉砕製品として排出される
。In the process of crushing the material to be crushed, the material to be crushed is supplied from the supply port provided above the casing into the annular gap between the conical rotor and the stator, and the conical rotor is rotating at high speed. The rotational force imparts velocity energy to the material to be crushed, which collides with the stator, moves downward under its own weight while being crushed, and is discharged as a crushed product from the lower discharge port.
しかしながら、この粉砕製品を同じ竪型粉砕機で更に微
粉砕しようとしても高速回転している円錐状回転子によ
つて発生する気流に乗つて円錐状回転子と共に粉砕製品
も回転してしまい、円錐状回転子の周速と粉砕製品との
間の相対速度が減少し、その結果衝撃効果が減少してし
まい微粉砕を行うことが困難となる。又このことと相ま
つて、粉砕製品は気流に乗つて下方への移行が行われず
土方から供給された粉砕製品はいつまでも気流中に浮遊
し、処理能力が低下するばかりでなく、ある程度以上の
微粉砕は不可能であるのが現状である。However, even if an attempt is made to further finely grind this pulverized product using the same vertical pulverizer, the pulverized product will also rotate along with the conical rotor due to the airflow generated by the conical rotor rotating at high speed. The relative speed between the circumferential speed of the shaped rotor and the milled product is reduced, resulting in a reduced impact effect and difficulty in performing fine milling. Coupled with this, the pulverized products do not move downward with the airflow, and the pulverized products supplied from Hijikata remain suspended in the airflow forever, which not only reduces processing capacity but also prevents them from being pulverized beyond a certain level. The current situation is that this is not possible.
本発明は、上記実情に鑑みなされたものであつて、超微
粉砕も行うことのできる竪型粉砕機を提供せんとするも
のである。The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a vertical pulverizer that can also perform ultrafine pulverization.
即ち本発明は、従来のように円錐状回転子を正円錐状に
配設するのではなく、逆円錐状に配設し、被粉砕物を下
方から供給して上方より排出するようになし、更に円錐
状回転子の周速と被粉砕物との間の相対速度を大きくし
て衝撃効果を増大させる為に、円錐状回転子の回転方向
に対向方向から環状隙間内に空気を噴出するようにした
ことを特徴とするものである。That is, in the present invention, the conical rotor is not disposed in a regular conical shape as in the past, but is disposed in an inverted conical shape, and the material to be crushed is supplied from below and discharged from above, Furthermore, in order to increase the relative speed between the circumferential speed of the conical rotor and the object to be crushed and thereby increase the impact effect, air is blown into the annular gap from a direction opposite to the rotation direction of the conical rotor. It is characterized by the following.
以下その詳細を図示の実施例により説明する。The details will be explained below with reference to illustrated embodiments.
第１図において、１は逆円錐状に配設された円錐状回転
子であつて、軸受３、４によつて軸支された垂直回転軸
２に支持されている。５は上面羽根、６は補助羽根であ
つて、この羽根５と６は夫々円錐状回転子１に一体に設
けられた下面板７と上面板８に固定されている。In FIG. 1, reference numeral 1 denotes a conical rotor arranged in the shape of an inverted cone, and is supported by a vertical rotating shaft 2 which is supported by bearings 3 and 4. As shown in FIG. Reference numeral 5 designates an upper surface blade, and 6 represents an auxiliary blade. These blades 5 and 6 are fixed to a lower surface plate 7 and an upper surface plate 8, respectively, which are provided integrally with the conical rotor 1.
９は固定子であつて、円錐状回転子１とある一定の間隙
１０を存して円錐状回転子１に嵌装されている。A stator 9 is fitted into the conical rotor 1 with a certain gap 10 therebetween.
又この固定子９には、第２図に示すように円錐状回転子
１の回転方向Ａに対向し、間隙１０内に開口する空気噴
出口１６が複数個本例では４個設けられている。この４
個の空気噴出口１６は円錐状回転子１に対し接線方向に
設けられている。この他、第３図に示すように固定子９
の外周に、螺線状に複数個、空気噴出口１６を設けるこ
ともできる。円錐状回転子１の外周面と固定子９の内周
面には、第２図に示すように軸方向に凸条１７と１８を
設けて凹凸面を形成している。Furthermore, as shown in FIG. 2, the stator 9 is provided with a plurality of air jet ports 16, four in this example, which face the rotation direction A of the conical rotor 1 and open into the gap 10. . This 4
The air outlets 16 are provided tangentially to the conical rotor 1 . In addition, as shown in Fig. 3, the stator 9
It is also possible to provide a plurality of air jet ports 16 in a spiral shape around the outer periphery. As shown in FIG. 2, the outer peripheral surface of the conical rotor 1 and the inner peripheral surface of the stator 9 are provided with protrusions 17 and 18 in the axial direction to form an uneven surface.
第１図において１１は上部ケーシングであり、上面羽根
５を被うように設けられ、上面羽根５の回転によつて起
る気流によつて、敵粉砕製品を排出口１５から排出する
為に風箱の役割を果すようになつている。１２は下部ケ
ーシングであつて、補助羽根６を覆うように設けられ、
補助羽根６の回転によつて起る気流によつて、粉砕材料
供給口１３から供給された材料を間隙１０内に入れる為
に風箱の役割を果すようになつている。In FIG. 1, reference numeral 11 denotes an upper casing, which is provided so as to cover the upper blade 5, and is used to blow air to discharge the crushed products from the discharge port 15 by the airflow generated by the rotation of the upper blade 5. It has come to play the role of a box. 12 is a lower casing provided to cover the auxiliary blade 6;
The material supplied from the pulverized material supply port 13 is introduced into the gap 10 by the airflow generated by the rotation of the auxiliary blade 6, thus acting as a wind box.
尚、１９は台座、２０はプーリ、２１は駆動ベルトであ
り、駆動ベルト２１によつて垂直回転軸２は回転させら
れる。In addition, 19 is a pedestal, 20 is a pulley, and 21 is a drive belt, and the vertical rotating shaft 2 is rotated by the drive belt 21.
次に上記の如く構成された実施例の作用について説明す
る。Next, the operation of the embodiment configured as described above will be explained.
先ず駆動ベルト２１によつて、垂直回転軸２が回転し、
円錐状回転子１、上面羽根５及び補助羽根６が共に第２
図の矢印Ａ方向に回転する。又運転開始と同時に空気噴
出口１６から空気が噴出する。この状態において、粉砕
材料供給口１３から供給された被粉砕材料は、補助羽根
６の回転によつて発生する気流に乗つて導入管１４を通
り、間隙１０に導かれる。First, the vertical rotation shaft 2 is rotated by the drive belt 21,
The conical rotor 1, the upper blade 5, and the auxiliary blade 6 are both the second
Rotate in the direction of arrow A in the figure. Furthermore, air is ejected from the air ejection port 16 at the same time as the start of operation. In this state, the material to be pulverized supplied from the pulverized material supply port 13 is guided into the gap 10 through the introduction pipe 14 riding on the airflow generated by the rotation of the auxiliary blades 6 .
このようにして間隙１０内に導かれた被粉砕材料は、円
錐状回転子１の回転によつて発生する間隙１０内の気流
に乗つて上方に運ばれる。この上方に運ばれる過程は、
円錐状回転子１の直径に比例して気流の速度が早くなる
（下方から上方にかけて気流の速さは早くなる）ことと
、敷粉砕された材料の浮力との相乗効果によつて上方に
運ばれる。このようにして上方に運ばれる途中において
、微粉砕材料は間隙内に噴出される空気によつて、気流
に乗つて旋回している速度が減速され、円錐状回転子１
の周速度と微粉砕材料との間の相対速度が大きくなつて
衝撃効果が増大する。このようにして微粉砕され上方に
運ばれた敵粉砕製品は、上面羽根９によつて発生する気
流によつて排出口１５に導かれ製品として取り出される
。以上詳述した通り本発明によれば、円錐状回転子を逆
円錐状に配設し、被粉砕材料を下方から供給して上方に
排出するようにしたので、漱粉砕された材料の気流中の
浮力と円錐状回転子の直径に比例した速さで発生する気
流との相乗効果により、鐵粉砕材料の排出がより小さな
微粉ほど効果があり、一方円錐状回転子の回転方向に対
向するように空気を噴出するようにしたので、円錐状回
転子の周速度と気流中の微粉砕材料との間の相対速度を
大きくして、漱粉砕材料に与える衝撃力を増大させるこ
とができ、処理能力及び微粉砕性能の点で、散粉砕に最
も適した竪型微粉砕機とすることができ、産業上果す役
割りは多大なものがある。The material to be crushed thus introduced into the gap 10 is carried upward by the airflow within the gap 10 generated by the rotation of the conical rotor 1. This process of being transported upwards is
The speed of the airflow increases in proportion to the diameter of the conical rotor 1 (the speed of the airflow increases from the bottom to the top), and the synergistic effect of the buoyancy of the crushed material causes the material to be carried upward. It will be done. While the pulverized material is being transported upward in this way, the speed at which the pulverized material is rotating on the airflow is reduced by the air jetted into the gap, and the conical rotor 1
The relative velocity between the circumferential velocity of the pulverized material and the pulverized material increases, increasing the impact effect. The pulverized product thus pulverized and carried upward is guided to the outlet 15 by the airflow generated by the upper blade 9 and taken out as a product. As detailed above, according to the present invention, the conical rotor is disposed in an inverted conical shape, and the material to be crushed is supplied from below and discharged upward, so that the airflow of the crushed material Due to the synergistic effect of the buoyancy of the buoyant force and the airflow generated at a speed proportional to the diameter of the conical rotor, the discharge of the crushed iron material is more effective as the fine powder becomes smaller, while the smaller the fine particles are, the more effective the discharge of the iron crushed material becomes. Since the air is ejected at the same time, the relative speed between the circumferential speed of the conical rotor and the pulverized material in the air stream can be increased, and the impact force applied to the pulverized material can be increased. In terms of capacity and pulverization performance, it is a vertical pulverizer that is most suitable for pulverization, and it plays a great role in industry.
第１図乃至第３図は本発明の一実施例で、第１図は装置
全体の内部構造を示す縦断面図、第２図は円錐状回転子
と固定子との関係を示す第１図の横断面図、第３図は空
気噴出口の取付位置の一例を示す図である。
１・・・・・・円錐状回転子、２・・・・・・垂直回転
軸、５・・・・・・上面羽根、６・・・・・・補助羽根
、９・・・・・・固定子、１０・・・・・・間隙、１３
・・・・・・被粉砕材料の供給口、１５・・・・・・排
出口。Figures 1 to 3 show one embodiment of the present invention, with Figure 1 being a vertical sectional view showing the internal structure of the entire device, and Figure 2 being Figure 1 showing the relationship between the conical rotor and the stator. FIG. 3 is a cross-sectional view showing an example of the mounting position of the air outlet. 1...Conical rotor, 2...Vertical rotation axis, 5...Top blade, 6...Auxiliary blade, 9... Stator, 10...Gap, 13
...... Supply port for the material to be crushed, 15... Discharge port.
Claims (1)
直回転軸に軸支し、該円錐状回転子との間に一定間隙を
存して嵌装した表面に凸部を有する固定子との間で被粉
砕物を粉砕する竪型粉砕機において、前記円錐状回転子
を逆円錐状に配設し、該円錐状回転子の回転方向に対向
する方向から円錐状回転子と固定子との間の環状隙間内
に空気を噴出する複数の空気噴出口を固定子の周辺に設
け、ケーシングの下部に粉砕材料供給口を、上部に粉砕
製品排出口を設けた事を特徴とする竪型微粉砕機。1. A stator having a convex portion on its surface, which has a conical rotor having a convex portion along the generatrix line supported on a vertical rotation shaft, and is fitted with a certain gap between the conical rotor and the conical rotor. In a vertical crusher that crushes a material to be crushed between A vertical casing characterized by having a plurality of air outlets around the stator that blow out air into an annular gap between the stator, a pulverized material supply port at the bottom of the casing, and a pulverized product discharge port at the top of the casing. Type pulverizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21414481A JPS5916497B2 (en) | 1981-12-26 | 1981-12-26 | Vertical fine grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21414481A JPS5916497B2 (en) | 1981-12-26 | 1981-12-26 | Vertical fine grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58114745A JPS58114745A (en) | 1983-07-08 |
| JPS5916497B2 true JPS5916497B2 (en) | 1984-04-16 |
Family
ID=16650951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21414481A Expired JPS5916497B2 (en) | 1981-12-26 | 1981-12-26 | Vertical fine grinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5916497B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3006225U (en) * | 1994-07-06 | 1995-01-24 | 佳子 若松 | Roll paper storage box |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6051556A (en) * | 1983-08-29 | 1985-03-23 | 川崎重工業株式会社 | Wet type pulverizer |
| JPS6082148A (en) * | 1983-10-13 | 1985-05-10 | サカタインクス株式会社 | Continuous media type dispersing machine |
-
1981
- 1981-12-26 JP JP21414481A patent/JPS5916497B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3006225U (en) * | 1994-07-06 | 1995-01-24 | 佳子 若松 | Roll paper storage box |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58114745A (en) | 1983-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100384704B1 (en) | Fine grinding device | |
| EP0568941B1 (en) | Pulverizing apparatus | |
| JP5177610B2 (en) | Cement clinker grinding equipment | |
| JP3273394B2 (en) | Mechanical grinding equipment | |
| JPS5916497B2 (en) | Vertical fine grinder | |
| CN2290402Y (en) | Vertical high speed centrifugal superfine pulverizer | |
| JPS6136459B2 (en) | ||
| JPS594453A (en) | Finely dividing treatment installation | |
| JPS5916819B2 (en) | Vertical fine grinder | |
| JPS5919739B2 (en) | Vertical fine grinder | |
| JPS5916821B2 (en) | Vertical fine grinder | |
| JPH01254267A (en) | Vertical crusher | |
| JPS5916822B2 (en) | Vertical fine grinder | |
| JPH0331099B2 (en) | ||
| JPS6136457B2 (en) | ||
| JP2005205266A (en) | Pulverizer | |
| JPH0466134A (en) | Vertical type crusher | |
| JPS5916820B2 (en) | Vertical fine grinder | |
| JPH06142613A (en) | Classifying device | |
| JPS6342746A (en) | Air stream guide apparatus of roller mill | |
| JPH0523833B2 (en) | ||
| JP2004113865A (en) | Vertical crusher | |
| JP2006035031A (en) | Crushing and classifying apparatus | |
| JPH0146177B2 (en) | ||
| JPH0331098B2 (en) |