EP2271429B1 - Broyeur à cylindre - Google Patents

Broyeur à cylindre Download PDF

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Publication number
EP2271429B1
EP2271429B1 EP09782117A EP09782117A EP2271429B1 EP 2271429 B1 EP2271429 B1 EP 2271429B1 EP 09782117 A EP09782117 A EP 09782117A EP 09782117 A EP09782117 A EP 09782117A EP 2271429 B1 EP2271429 B1 EP 2271429B1
Authority
EP
European Patent Office
Prior art keywords
roller
grinding
drive train
axis
drive
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.)
Not-in-force
Application number
EP09782117A
Other languages
German (de)
English (en)
Other versions
EP2271429A1 (fr
Inventor
Guido Scholz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
Polysius AG
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 by Polysius AG filed Critical Polysius AG
Publication of EP2271429A1 publication Critical patent/EP2271429A1/fr
Application granted granted Critical
Publication of EP2271429B1 publication Critical patent/EP2271429B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/04—Mills with pressed pendularly-mounted rollers, e.g. spring pressed

Definitions

  • the invention relates to a roller mill with a rotatable around a mill axis mounted grinding plate, at least one grinding roller which is rotatable about a Mahlrollenachse and with the grinding table in Abrolleingriff and at least one rocker arm for holding the grinding roller having a tilting axis wherein the tilting axis parallel or limited to Mahlrollenachse is aligned, as well as with at least one stationary motor for driving the roller mill.
  • roller or roller mills also referred to as spring force or external power mills
  • spring force or external power mills can be used, for example, for comminuting cement raw materials, cement clinker, coal, ore materials and the like.
  • the ground material fed in generally centrally to the grinding plate or grinding ring is comminuted on the grinding track between the grinding ring and the grinding rollers, whereby pressing elements ensure that a correspondingly large, generally adjustable grinding force is introduced in this area.
  • the DE 10 2006 061 328 A1 also shows a roller mill, in which the grinding table is driven and the grinding rollers are each mounted on a rocker arm having a tilting axis which is aligned parallel to the Mahlrollenachse.
  • the invention is therefore based on the object to further develop this type of roller mill (rocker arm mill) described above, so that even high forces and high throughput can be realized more cost-effectively.
  • the roller mill according to the invention consists of a rotatable about a mill axis mounted grinding table, at least one grinding roller which is rotatable about a Mahlrollenachse and is in Abrolleingriff with the grinding table, and at least one rocker arm for holding the grinding roller having a tilting axis, wherein the tilting axis parallel or is aligned with the Mahlrollenachse.
  • a fixed motor is connected via a drive train for transmitting the drive power to the grinding roller, wherein the drive train comprises a fixed drive train and a co-moving with the rocker arm drive train.
  • the fixed drive train has a drive element which is in contact with the co-moving drive train and is arranged coaxially to the tilting axis of the rocker arm.
  • the roller mill consists of at least one grinding table rotatably mounted about a mill axis, at least one grinding roller which is rotatable about a grinding roller axis and is in rolling contact with the grinding table, and at least one rocker arm for holding the grinding roller, which is a tilting axis wherein the tilting axis is aligned parallel or set to the Mahlrollenachse.
  • a fixed motor is connected via a drive train for transmitting the drive power to the grinding roller
  • the drive train has a fixed drive train and a with the rocker arm co-moving drive train comprises and the two drive trains are connected to each other via two bevel gears, wherein the bevel gears are arranged such that intersect the axes of the bevel gears on the tilting axis.
  • the power for driving the roller mill can be distributed to a plurality of grinding rollers and / or on the grinding roller and grinding table. In this way, smaller and therefore less expensive drives can be used.
  • the distance between the Mahlrollenachse and the axis of the drive element does not change during the tilting movement of the rocker arm.
  • a secure transmission of the drive power is guaranteed.
  • the two drive trains can be connected to each other via two bevel gears, which are then arranged in such a way that the axes of the bevel gears intersect on the tilting axis to ensure safe transmission of the drive power.
  • the co-moving drive train on a connected to the grinding roller sprocket, which is preferably directly or via at least one intermediate gear with the drive element in communication.
  • the intermediate wheel is expediently held on the rocker arm.
  • the drive element is a drive wheel of a provided between the stationary and the co-moving drive train traction mechanism.
  • at least the drive element and / or elements of the co-moving drive train can be tilted are designed to compensate for any relative movements due to bending forces.
  • the tilting axis of the rocking lever is arranged in the direction of rotation of the grinding table behind the Mahlrollenachse.
  • the roller mill comprises at least one pressing system in operative contact with the rocking lever for adjusting the contact pressure of the grinding roller.
  • roller mill consists essentially of a mill axis rotatably mounted around a grinding table 1, at least one grinding roller 2 which is rotatable about a Mahlrollenachse 3 and is in Abrolleingriff with the grinding table, and at least one rocker arm 4 for holding the grinding roller 2.
  • the rocker arm has a Tilting axis 5, wherein the tilting axis is aligned parallel to Mahlrollenachse 3.
  • At least one pressing system 6 in operative contact with the oscillating lever 4 is provided for adjusting the contact pressure of the grinding roller.
  • This pressing system can be formed for example by a hydro-pneumatic spring system.
  • the rocking lever is expediently mounted outside of the mill housing.
  • a stationarily arranged motor 8 is provided, which is connected via a fixed drive train and a co-moving with the rocker arm 4 drive train with the grinding roller 2 in combination.
  • the fixed drive train here has a drive element 9 that is in contact with the co-moving drive train and is arranged coaxially to the tilting axis 5 of the oscillating lever 4.
  • This drive element 9 is driven by gears 8, 11 from the motor 8.
  • the co-moving drive train has a connected to the grinding roller 2 ring gear 12, which is directly or, as shown, via an intermediate 13 with the drive element 9 in operative connection.
  • the drive element 9 and / or the intermediate gear 13 and the ring gear 12th can be held tiltable to compensate for any bending stresses of the rocker arm or Mahlrollenachse can.
  • the distance between the Mahlrollenachse 3 and the axis of the drive element 9 does not change even with a movement of the rocker arm 4, so that a secure transmission of the drive power is guaranteed.
  • the tilting axis of the rocking lever 4 is arranged in the direction of rotation 14 of the material behind the Mahlrollenachse 3.
  • a plurality of grinding rollers in particular two, four or six grinding rollers are preferably provided, each of which may have its own drive.
  • the drive wheel in turn would be arranged coaxially to the tilting axis 5.
  • a bevel gear could be provided.
  • the drive element 9 would then be formed as a bevel gear, which in turn is arranged coaxially to the tilting axis 5.
  • the drive element 9 is formed by a coaxial with the tilting axis 5 arranged pinion, which meshes with the ring gear 12.
  • the motor 8 drives via a gear 15, for example, a gear transmission stage, the pinion 9 at.
  • the motor 8 is designed so that the stationary drive train is deflected by 180 °.
  • the rocker arm 4 has two pivot arms 4a, which hold the Mahlrollenachse 3 and are mounted pivotably about the tilting axis 5.
  • the pressure system 6 acts in this case on train and can be designed as a hydro-pneumatic spring system. By this arrangement results in a very compact drive system for the grinding roller. 2
  • Mahlrollenachse 3 and tilt axis 5 are preferred, in principle, a restricted arrangement of Mahlrollenachse 3 and tilt axis 5 is conceivable.
  • a restricted arrangement are meant all orientations of the grinding roller axis 3 to the tilting axis 5, which are not parallel and not perpendicular to each other.
  • FIGS. 3 to 5 Three different embodiments of such a restricted arrangement are shown.
  • the stationary and the co-moving drive train via two bevel gears 16, 17 are connected to each other, wherein the bevel gears are arranged such that the axes of the bevel gears on the tilt axis 5 intersect.
  • the bevel gear 16 of the stationary drive train is still aligned coaxially with the tilting axis 5.
  • the Mahlrollenachse 3 was arranged in a restricted manner, while in the embodiment according to Fig. 5 the tilting axis 5 has been rotated with respect to the Mahlrollenachse.
  • the axis of the bevel gear 16 is aligned parallel to Mahlrollenachse 3.
  • the axes of the associated bevel gears 16, 17 intersect on the tilting axis 5 and thereby ensure a reliable transmission of the drive power even with a restricted arrangement of grinding roller axis 2 and tilting axis 5.
  • the bevel gears can be supported tiltable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Massaging Devices (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Claims (15)

  1. Broyeur à rouleaux avec
    a) un plateau de broyage (1), qui peut tourner autour d'un axe du broyeur,
    b) au moins un rouleau de broyage (2), qui peut tourner autour d'un axe de rouleau de broyage (3) et est en prise avec le plateau de broyage,
    c) au moins un levier oscillant (4), qui, destiné à maintenir le rouleau de broyage (2), est doté d'un axe de basculement (5), sachant que ledit axe de basculement est orienté parallèlement ou croisé par rapport à l'axe de rouleau de broyage (3),
    d) ainsi qu'avec au moins un moteur (8) stationnaire, destiné à l'entraînement du broyeur à rouleaux, caractérisé en ce que le moteur (8) stationnaire est en connexion avec le rouleau de broyage (2), par l'intermédiaire d'une chaîne cinématique, pour la transmission de la puissance d'entraînement, sachant que la chaîne cinématique comprend une chaîne cinématique fixe et une chaîne cinématique mobile avec le levier oscillant (4), et que la chaîne cinématique fixe est dotée d'un élément de commande (9), qui est en contact avec la chaîne cinématique mobile et est disposé coaxialement par rapport à l'axe de basculement (5) du levier oscillant (4).
  2. Broyeur à rouleaux selon la revendication 1, caractérisé en ce que la chaîne cinématique mobile est dotée d'une couronne à denture (12), qui est reliée au rouleau de broyage (2).
  3. Broyeur à rouleaux selon la revendication 2, caractérisé en ce que l'élément de commande (9) est en prise avec la couronne à denture (12)-
  4. Broyeur à rouleaux selon la revendication 3, caractérisé en ce que l'élément de commande (9) est en liaison de commande avec la couronne à denture (12), par l'intermédiaire d'au moins une roue intermédiaire (13).
  5. Broyeur à rouleaux selon la revendication 4, caractérisé en ce que la roue intermédiaire (13) est maintenue sur le levier oscillant (4).
  6. Broyeur à rouleaux selon la revendication 1, caractérisé en ce que l'élément de commande (9) et / ou des éléments de la chaîne cinématique mobile sont maintenus mobiles en basculement.
  7. Broyeur à rouleaux selon la revendication 1, caractérisé en ce que l'élément de commande (9) est une roue motrice d'un mécanisme à élément de traction, qui est prévu entre la chaîne cinématique fixe et la chaîne cinématique mobile.
  8. Broyeur à rouleaux selon la revendication 1, caractérisé en ce que l'axe de basculement (5) du levier oscillant (4) est disposé en aval de l'axe de rouleau de broyage (3), dans la direction de rotation (14) du plateau de broyage (1).
  9. Broyeur à rouleaux selon la revendication 1, caractérisé en ce que ledit broyeur à rouleaux comprend, en outre, au moins un système de pression (6), qui est en contact actif avec le levier oscillant (4), pour le réglage de la pression du rouleau de broyage (2).
  10. Broyeur à rouleaux selon la revendication 1, caractérisé en ce que ledit broyeur à rouleaux est doté d'un carter (7) et que le levier oscillant (4) est monté à l'extérieur du carter (7) du broyeur.
  11. Broyeur à rouleaux selon la revendication 1, caractérisé en ce que, outre le rouleau de broyage (2), le plateau de broyage (1) dispose, lui aussi, de son propre entraînement.
  12. Broyeur à rouleaux avec
    a) un plateau de broyage (1), qui peut tourner autour d'un axe du broyeur,
    b) au moins un rouleau de broyage (2), qui peut tourner autour d'un axe de rouleau de broyage (3) et est en prise avec le plateau de broyage (1).
    c) au moins un levier oscillant (4), qui, destiné à maintenir le rouleau de broyage (2), est doté d'un axe de basculement (5), sachant que ledit axe de basculement est orienté parallèlement ou croisé par rapport à l'axe de rouleau de broyage (3),
    d) ainsi qu'avec au moins un moteur (8) stationnaire, destiné à l'entraînement du broyeur à rouleaux, caractérisé en ce que le moteur (8) stationnaire est en connexion avec le rouleau de broyage, par l'intermédiaire d'une chaîne cinématique, pour la transmission de la puissance d'entraînement, sachant que la chaîne cinématique comprend une chaîne cinématique fixe et une chaîne cinématique mobile avec le levier oscillant, et que les deux chaînes cinématiques sont reliées ensemble par l'intermédiaire de deux roues coniques (16, 17), sachant que les roues coniques sont disposées de sorte que les axes desdites roues coniques se coupent sur l'axe de basculement (5).
  13. Broyeur à rouleaux selon la revendication 12, caractérisé en ce que l'élément de commande (9) et / ou des éléments de la chaîne cinématique mobile sont maintenus, mobiles en basculement.
  14. Broyeur à rouleaux selon la revendication 12, caractérisé en ce que l'axe de basculement (5) du levier oscillant (4) est disposé en aval de l'axe de rouleau de broyage (3), dans la direction de rotation du plateau de broyage (1).
  15. Broyeur à rouleaux selon la revendication 12, caractérisé en ce que ledit broyeur à rouleaux est doté d'un carter (7) et que le levier oscillant (4) est monté à l'extérieur du carter (7) du broyeur.
EP09782117A 2008-08-25 2009-08-24 Broyeur à cylindre Not-in-force EP2271429B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008039541A DE102008039541B4 (de) 2008-08-25 2008-08-25 Rollenmühle
PCT/EP2009/060878 WO2010023183A1 (fr) 2008-08-25 2009-08-24 Broyeur à cylindre

Publications (2)

Publication Number Publication Date
EP2271429A1 EP2271429A1 (fr) 2011-01-12
EP2271429B1 true EP2271429B1 (fr) 2011-07-20

Family

ID=41170189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09782117A Not-in-force EP2271429B1 (fr) 2008-08-25 2009-08-24 Broyeur à cylindre

Country Status (8)

Country Link
US (1) US8616479B2 (fr)
EP (1) EP2271429B1 (fr)
JP (1) JP5564044B2 (fr)
CN (1) CN102112233B (fr)
AT (1) ATE516881T1 (fr)
DE (1) DE102008039541B4 (fr)
DK (1) DK2271429T3 (fr)
WO (1) WO2010023183A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102218357B (zh) * 2011-04-22 2013-06-05 韶山韶源节能重型设备有限公司 一种辊式磨机用滑动转盘
CN102284322B (zh) * 2011-08-16 2012-09-05 天津苏美尔环保投资有限公司 一种立式辊磨机
CN102553680A (zh) * 2012-01-20 2012-07-11 李福全 摆动式磨辊装置
CN105080665A (zh) * 2015-09-06 2015-11-25 李国良 立磨
US20230059893A1 (en) * 2020-01-14 2023-02-23 Gebr. Pfeiffer Se Roller Mill Having Grinding Rollers Set At An Angle
FI130696B1 (fi) * 2021-03-09 2024-01-22 Moviator Oy Laitteisto ja menetelmä kappalemaisen materiaalin jauhamiseksi

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE509212C (de) * 1930-10-06 Ernst Curt Loesche Walzenlagerung fuer Feberrollenmuehlen
DE153535C (fr) *
DE295563C (fr) *
JPS62204863A (ja) * 1986-03-05 1987-09-09 川崎重工業株式会社 竪型ミル
JPS6380856A (ja) * 1986-09-22 1988-04-11 石川島播磨重工業株式会社 竪型ロ−ラミル
DE3801728C2 (de) * 1988-01-21 1998-07-02 Krupp Polysius Ag Rollenmühle
JPH07102456B2 (ja) * 1991-04-30 1995-11-08 株式会社栗本鐵工所 竪型ロールミルのロール再生方法
JP2002159875A (ja) * 2000-11-28 2002-06-04 Ishikawajima Harima Heavy Ind Co Ltd 竪型ミル
CN2724831Y (zh) * 2004-09-20 2005-09-14 郝志刚 一种端置多辊式磨机
CN2778385Y (zh) * 2005-03-01 2006-05-10 陆福才 超细粉立式辊磨研磨机
DE102006061328B4 (de) * 2006-12-22 2014-01-16 Gebr. Pfeiffer Ag Wälzmühle
DE102007009723A1 (de) * 2007-02-28 2008-09-04 Polysius Ag Rollenmühle
DE102008015141A1 (de) * 2008-03-20 2009-11-05 Gebr. Pfeiffer Ag Wälzmühle

Also Published As

Publication number Publication date
DK2271429T3 (da) 2011-10-31
CN102112233B (zh) 2013-03-20
EP2271429A1 (fr) 2011-01-12
JP5564044B2 (ja) 2014-07-30
US20110121117A1 (en) 2011-05-26
ATE516881T1 (de) 2011-08-15
WO2010023183A1 (fr) 2010-03-04
US8616479B2 (en) 2013-12-31
JP2012500723A (ja) 2012-01-12
DE102008039541A1 (de) 2010-03-04
CN102112233A (zh) 2011-06-29
DE102008039541B4 (de) 2010-05-12

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