WO2013010616A2 - Système d'entraînement pour un broyeur à galets vertical - Google Patents

Système d'entraînement pour un broyeur à galets vertical Download PDF

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Publication number
WO2013010616A2
WO2013010616A2 PCT/EP2012/002632 EP2012002632W WO2013010616A2 WO 2013010616 A2 WO2013010616 A2 WO 2013010616A2 EP 2012002632 W EP2012002632 W EP 2012002632W WO 2013010616 A2 WO2013010616 A2 WO 2013010616A2
Authority
WO
WIPO (PCT)
Prior art keywords
electric motors
drive
pressure plate
housing
drive arrangement
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.)
Ceased
Application number
PCT/EP2012/002632
Other languages
German (de)
English (en)
Other versions
WO2013010616A3 (fr
Inventor
Peter Boiger
Andreas Gernt
Toni Weiss
Ingo Sommer
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.)
Renk GmbH
Original Assignee
Renk GmbH
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 Renk GmbH filed Critical Renk GmbH
Priority to EP12729358.7A priority Critical patent/EP2734303B1/fr
Priority to CN201280046216.0A priority patent/CN103826749B/zh
Priority to JP2014520547A priority patent/JP6282587B2/ja
Priority to PL12729358T priority patent/PL2734303T3/pl
Priority to KR1020147004596A priority patent/KR101619000B1/ko
Publication of WO2013010616A2 publication Critical patent/WO2013010616A2/fr
Publication of WO2013010616A3 publication Critical patent/WO2013010616A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B02C15/006—Ring or disc drive gear arrangement

Definitions

  • the invention relates to a trained according to the preamble of claim 1 drive arrangement for a vertical roller mill or roller mill.
  • a drive arrangement of the aforementioned type is known for example from DE 20 2008 017 994 U1.
  • the electromotive drive means to a single electric motor, the rotor via a single-stage translation resistant
  • the invention has for its object to provide a trained according to the preamble of claim 1 drive arrangement for a vertical roller mill, the drive assembly with improved operability requires less design and manufacturing effort. This is achieved with a drive arrangement according to claim 1.
  • a drive arrangement for a vertical roller mill comprises: a housing, a pressure plate (or pressure ring) which is around a vertical
  • Platen rotation axis is rotatably supported on the housing and forms an output of the drive assembly for vertical roller mill out, a
  • Transmission means which is arranged below the pressure plate in the housing and supported on the latter and which is in rotary drive connection with the pressure plate, and electromotive drive means, which below the
  • Transmission device are integrated into the housing and having at least one rotor with a rotor axis of rotation which extends parallel and radially outwardly offset to the pressure plate rotational axis, wherein the at least one rotor via a spur gear is in rotary drive connection with the transmission device.
  • the drive arrangement according to the invention is characterized in that the electromotive drive means a number of at least two
  • the electromotive drive means comprise a number of at least two electric motors, which requires
  • each electric motor may preferably be configured or
  • Electric motor may be expensive to limit inrush current
  • the electric motors of the electromotive drive means are therefore each designed as a standard motor. This concerns in particular the speed and the dimensional configuration of the electric motors.
  • the electric motors of the electromotive drive means are each designed as a four-pole or six-pole three-phase motor. Preferably, the electric motors are water-cooled electric motors.
  • the vertical roller mill can continue to operate in case of failure of an electric motor with reduced power, whereby their operability is improved.
  • the spur gear with the transmission device, which preferably has one or more planetary gear.
  • the number of electric motors of the electromotive drive means is two to eight. This allows an even more compact design of the electric motors while still further improving the operability of the vertical roller mill.
  • the electric motors of the electromotive drive means are each designed as an asynchronous three-phase motor.
  • These electric motors are particularly simple in design and manufacture, are available in many sizes and are also very robust. As a result, the design and manufacturing effort is reduced even more with still improved operability.
  • the electric motors of the electromotive drive means each have a soft characteristic, so that during operation of the electric motors, a total drive load evenly on all
  • Electric motors is distributed without the need for special regulation.
  • Electric motors with high load-dependent speed.
  • the speed of these electric motors thus drops rapidly with increasing load and increases accordingly in relief.
  • the individual electric motors of the electromotive drive means can quickly and easily be matched to each other, whereby the total drive load is evenly distributed to all electric motors.
  • the electric motors of the electromotive drive means may each be controlled by a frequency converter, so that during operation of the electric motors, the total drive load is evenly distributed to all electric motors and a speed-controlled grinder is formed, if required for the grinding operation.
  • the spur gear has a central gear disposed on a central shaft extending coaxially with the platen rotation axis, and a pinion gear meshing with the central gear on an output shaft of each electric motor, wherein
  • Electric motors are arranged with their pinions evenly or non-uniformly distributed around a circumference of the central wheel. These pinions can each be stored in the gearbox or mounted directly on the motor shafts. Also, a further embodiment provides that the pinion housed in hoods are independently connected to the housing. This makes it possible to mechanically disable individual motors by removing their associated pinion, without increased assembly costs.
  • Transmission device can be designed as a shaft pinion.
  • the connection of the sun gear of the first planetary gear to the bevel gear shaft is complex and sensitive.
  • Spur gear two selectively switchable translations, so that at the output of the drive assembly, two selectively selectable different speeds are available.
  • the spur gear preferably has two alternatively switchable instead of a simple spur gear Translation levels, which allows the grinding of different materials and cost can be performed as a frequency control.
  • the housing in a space formed between the electric motors, has a cross-shaped stiffening whose intersection point lies on the printing plate rotation axis.
  • the housing preferably supports the mill in the region of the electric motors by a support cross, which finds place between the electric motors.
  • a support cylinder can be used.
  • a drive of a transmission for vertical roller mills is provided, which is characterized by the attachment of more than one vertical drive motor to the transmission, each driving a common wheel with one pinion.
  • a vertical roller mill with a drive arrangement according to one, several or all previously described embodiments of the invention is provided in every conceivable combination.
  • auxiliary drive In certain vertical mills is a so-called auxiliary drive or
  • FIG. 1 shows a drive arrangement of a vertical roller mill according to an embodiment of the invention.
  • FIG. 1 shows a drive assembly 1 'of a vertical roller mill (not fully shown) according to the prior art.
  • a drive arrangement is e.g. in DE 199 17 607 C2.
  • the drive assembly V comprises a housing 10 ', e.g. annular pressure plate 20 ', which is rotatably supported on the housing 10' and which forms an output 2 ⁇ of the drive assembly V to a grinding bowl (not shown) of the vertical roller mill, a transmission device 30 ', which is below the pressure plate 20' in the housing 10 'is arranged and supported on this and is in rotational drive connection with the pressure plate 20', electromotive drive means 50 'for driving the vertical roller mill and a bevel gear 60' for the rotary drive connection of the electromotive
  • the transmission device 30 ' has a first planetary gear 3V and a second planetary gear 41', which are in rotary drive connection with each other.
  • the electromotive drive means 50 ' are of a single external of the housing 10' arranged electric motor in grinding ring execution (for
  • Bevel gear 60 ' is. On an output shaft 62 'of the bevel gear 60' is rotatably mounted a sun gear 32 'of the first planetary gear 31', wherein the sun gear 32 'realized a drive into the transmission device 30'.
  • One Output of the transmission device 30 'to the pressure plate 20' out is through a
  • Planetary gear 31 ', 41' and their support in the housing 10 ' is e.g. to DE 199 17 607 C2.
  • the drive assembly 1 comprises a housing 10, e.g. annular pressure plate 20 which is rotatably supported on the housing 10 about a vertical pressure plate rotation axis R1 and which forms an output 21 of the drive assembly 1 toward a grinding bowl (not shown) of the vertical roller mill; a transmission device 30 located below the pressure plate 20 is disposed in the housing 10 and supported thereon and which is in rotary drive connection with the pressure plate 20, electromotive drive means 50 for driving the vertical roller mill and a spur gear 70 for the rotary drive connection of the electromotive drive means 50 to the transmission means 30.
  • a housing 10 e.g. annular pressure plate 20 which is rotatably supported on the housing 10 about a vertical pressure plate rotation axis R1 and which forms an output 21 of the drive assembly 1 toward a grinding bowl (not shown) of the vertical roller mill
  • a transmission device 30 located below the pressure plate 20 is disposed in the housing 10 and supported thereon and which is in rotary drive connection with the pressure plate 20, electromotive drive means 50 for driving the vertical roller mill
  • the transmission device 30 has a first planetary gear 31 and optionally a second planetary gear 41, which are in rotary drive connection with each other.
  • the electromotive drive means 50 have a number of at least two preferably water-cooled electric motors 52, 54 with respective rotors 53, 55, the rotor rotational axis R2, R3 respectively parallel and radially offset from Platen rotation axis R1 runs and each of the spur gear 70 in rotary drive connection with the transmission device 30 are.
  • the number of electric motors 52, 54 of the electromotive drive means 50 is preferably two to eight. However, a greater number than six electric motors 52, 54 should not be expressly excluded from the invention and may, where appropriate or desired, be applied.
  • the spur gear 70 has a central gear 71, which is arranged on a coaxial with the printing plate rotational axis R1 rotatably mounted on the housing 10 central shaft 72.
  • the spur gear 70 also has a number of electric motors 52, 54 corresponding number of pinions 73, 74, wherein the respective pinion 73, 74 rotatably on a respective output shaft 53a, 55a of the electric motors 52, 54 are arranged and all with the common central wheel 71 are in mesh.
  • the electric motors 52, 54 with their respective pinions 73, 74 are distributed uniformly around a circumference of the central wheel 71.
  • the spur gear 70 may have two selectively shiftable ratios, so that two selectively selectable rotational speeds can be provided at the output 21 of the drive assembly 1.
  • the housing 10 In a space S formed between the electric motors 52, 54, the housing 10 has a cross-shaped stiffener 11 (not completely shown) whose intersection point lies on the printing plate rotation axis R1.
  • all electric motors 52, 54 of the electromotive drive means 50 are integrated into the housing 10 in such a way that they are supported on the housing 10 or stored and preferably received in its outer contour.
  • a tank oil plant can be installed at foundation height, a lowering or a bilge pump can be omitted.
  • a sun gear 32 of the planetary gear 31 is rotatably mounted, wherein the sun gear 32 realizes a drive into the transmission device 30.
  • An output of the transmission device 30 to the pressure plate 20 is realized by a planet carrier 43 of the second planetary gear 41.
  • the sun gear 32 is centered between planetary gears 34 of the first planetary gear 31.
  • the revolving planet wheels 34 of the first planetary gear 31 are in a planetary carrier 33 of the first
  • Planetary gear 31 rotatably mounted.
  • Planetary gear 31 is guided in the radial direction over the with a fixed (fixed to the housing 10) ring gear 35 meshing planet gears 34 of the first planetary gear 31.
  • Planetary gear 31 is connected via a cylindrical extension 33 a with a
  • Sun gear 42 of the second planetary gear 41 nadoantriebsverbunden. With the fly-centered sun gear 42 of the second planetary gear 41 meshing planet gears 44 of the second planetary gear 41 roll in a fixed (fixed to the housing 10) ring gear 45 from.
  • the planet carrier 43, on which the planet gears 44 of the second planetary gear 41 are rotatably mounted, runs around and with it the rigidly attached thereto and over
  • the electric motors 52, 54 of the electromotive drive means 50 are preferably each designed as a standard motor, which relates in particular to their rotational speed and dimensional configuration.
  • the electric motors 52, 54 of the electromotive drive means 50 are preferably each designed as a standard motor, which relates in particular to their rotational speed and dimensional configuration.
  • the electric motors 52, 54 of the electromotive drive means 50 are preferably each designed as a standard motor, which relates in particular to their rotational speed and dimensional configuration.
  • Electromotive drive means 50 are preferably each designed as a four-pole or six-pole three-phase motor, in particular as an asynchronous three-phase motor. In the case of the preferred asynchronous three-phase motors, the
  • Electric motors 52, 54 of the electric motor drive means 50 each have a soft characteristic or series closure characteristic, so that during operation of the electric motors 52, 54 a total drive load of the vertical roller mill is evenly distributed to all electric motors 52, 54.
  • Frequency converter (not shown) be speed or torque controlled, so that during operation of the electric motors 52, 54, the total drive load is evenly distributed to all electric motors 52, 54 and the grinding system can be operated speed controlled.
  • a currently not yet claimed variant provides that the housing corresponds to a ring, which is interrupted in each case by the electric motors or adapted to the arrangement of these motors.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Gear Transmission (AREA)

Abstract

L'invention concerne un système d'entraînement (1) destiné à un broyeur à galets vertical et comprenant un carter (10), une plaque de pression (20) qui s'appuie sur le carter de manière à tourner autour d'un axe de rotation vertical (R1), un dispositif à engrenages (30) qui est placé sous la plaque de pression dans le carter et s'appuie sur ce dernier et qui est en liaison d'entraînement rotatif avec la plaque de pression, ainsi que des moyens d'entraînement (50) à moteur électrique qui sont intégrés dans le carter sous le dispositif à engrenages et qui présentent au moins un rotor (53, 55) ayant un axe de rotation de rotor (R2, R3) qui est parallèle et décalé radialement par rapport à l'axe de rotation de la plaque de pression, le au moins un rotor étant en liaison d'entraînement rotatif avec le dispositif à engrenages par le biais d'un engrenage droit (70). L'invention vise à fournir un système d'entraînement à la disponibilité améliorée et dont la conception et la production sont simplifiées. A cet effet, les moyens d'entraînement présentent au moins deux moteurs électriques équipés de rotors respectifs dont l'axe de rotation est respectivement parallèle et décalé radialement par rapport à l'axe de rotation de la plaque de pression et qui sont respectivement en liaison d'entraînement rotatif avec le dispositif à engrenages par le biais de l'engrenage droit.
PCT/EP2012/002632 2011-07-21 2012-06-22 Système d'entraînement pour un broyeur à galets vertical Ceased WO2013010616A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP12729358.7A EP2734303B1 (fr) 2011-07-21 2012-06-22 Système d'entraînement pour un broyeur à galets vertical
CN201280046216.0A CN103826749B (zh) 2011-07-21 2012-06-22 用于立式滚动碾磨机的驱动系统
JP2014520547A JP6282587B2 (ja) 2011-07-21 2012-06-22 縦型ローラミルのための駆動装置
PL12729358T PL2734303T3 (pl) 2011-07-21 2012-06-22 Układ napędowy dla pionowego młyna walcowego
KR1020147004596A KR101619000B1 (ko) 2011-07-21 2012-06-22 수직 롤러 밀을 위한 구동 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011079555.3A DE102011079555B4 (de) 2011-07-21 2011-07-21 Antriebsanordnung für eine Vertikal-Rollenmühle
DE102011079555.3 2011-07-21

Publications (2)

Publication Number Publication Date
WO2013010616A2 true WO2013010616A2 (fr) 2013-01-24
WO2013010616A3 WO2013010616A3 (fr) 2013-10-24

Family

ID=46354148

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/002632 Ceased WO2013010616A2 (fr) 2011-07-21 2012-06-22 Système d'entraînement pour un broyeur à galets vertical

Country Status (7)

Country Link
EP (1) EP2734303B1 (fr)
JP (1) JP6282587B2 (fr)
KR (1) KR101619000B1 (fr)
CN (1) CN103826749B (fr)
DE (1) DE102011079555B4 (fr)
PL (1) PL2734303T3 (fr)
WO (1) WO2013010616A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016007606A (ja) * 2014-06-23 2016-01-18 レンク・アクティエンゲゼルシャフト 竪型ローラミルのための駆動装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014002867A1 (de) 2014-02-18 2015-08-20 Renk Aktiengesellschaft Antriebsanordnung für eine Vertikal-Rollenmühle
DE102014011846B4 (de) 2014-08-08 2024-10-10 Renk Gmbh Antriebsanordnung einer Vertikal-Rollenmühle und Verfahren zum Betreiben derselben
DE102014016449A1 (de) 2014-11-06 2016-05-12 Renk Aktiengesellschaft Antriebsanordnung
EP3023157A1 (fr) * 2014-11-21 2016-05-25 Siemens Aktiengesellschaft Entraînement multiple pour une application lourde et procédé de fonctionnement d'un tel entraînement multiple
DE102020118248A1 (de) 2020-07-10 2022-01-13 Renk Gmbh Antriebssystem mit mindestens zwei Antriebseinheiten insbesondere für Anwendungen mit hoher Drehzahl
DE102020125674A1 (de) 2020-10-01 2022-04-07 Renk Gmbh Antriebseinheit

Citations (2)

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Publication number Priority date Publication date Assignee Title
DE19917607C2 (de) 1999-04-19 2001-06-28 Renk Ag Schüsselmühlengetriebe
DE202008017994U1 (de) 2008-08-22 2011-03-24 Maag Gear Ag Schwerlastantriebsanordnung und damit angetriebene Mühle

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JPS5814821B2 (ja) * 1977-08-22 1983-03-22 三菱重工業株式会社 バウルミル
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DE102008015141A1 (de) * 2008-03-20 2009-11-05 Gebr. Pfeiffer Ag Wälzmühle
US8678307B2 (en) * 2008-08-22 2014-03-25 Flsmidth A/S Heavy-duty drive arrangement and mill driven by the same
CN201401491Y (zh) * 2009-05-07 2010-02-10 杭州前进风电齿轮箱有限公司 立式辊磨齿轮箱
ES2378496T3 (es) * 2009-09-10 2012-04-13 Siemens Aktiengesellschaft Sistema de accionamiento de molino
CN201783346U (zh) * 2009-11-13 2011-04-06 二重集团（德阳）重型装备股份有限公司 立磨磨盘的传动及支承结构
ES2444437T3 (es) * 2010-11-29 2014-02-25 Siemens Aktiengesellschaft Motor-reductor de un sistema de accionamiento de molino

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
DE19917607C2 (de) 1999-04-19 2001-06-28 Renk Ag Schüsselmühlengetriebe
DE202008017994U1 (de) 2008-08-22 2011-03-24 Maag Gear Ag Schwerlastantriebsanordnung und damit angetriebene Mühle

Non-Patent Citations (1)

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Title
See also references of EP2734303A2

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016007606A (ja) * 2014-06-23 2016-01-18 レンク・アクティエンゲゼルシャフト 竪型ローラミルのための駆動装置

Also Published As

Publication number Publication date
EP2734303A2 (fr) 2014-05-28
DE102011079555B4 (de) 2020-12-24
JP2014520668A (ja) 2014-08-25
WO2013010616A3 (fr) 2013-10-24
CN103826749A (zh) 2014-05-28
EP2734303B1 (fr) 2017-05-03
DE102011079555A1 (de) 2013-01-24
KR20140050683A (ko) 2014-04-29
PL2734303T3 (pl) 2018-03-30
KR101619000B1 (ko) 2016-05-09
JP6282587B2 (ja) 2018-02-21
CN103826749B (zh) 2015-08-19

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