EP2242583B2 - Rollenmühle - Google Patents

Rollenmühle Download PDF

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Publication number
EP2242583B2
EP2242583B2 EP10709462.5A EP10709462A EP2242583B2 EP 2242583 B2 EP2242583 B2 EP 2242583B2 EP 10709462 A EP10709462 A EP 10709462A EP 2242583 B2 EP2242583 B2 EP 2242583B2
Authority
EP
European Patent Office
Prior art keywords
roller mill
direct drive
grinding table
grinding
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.)
Active
Application number
EP10709462.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2242583A1 (de
EP2242583B1 (de
Inventor
Benjamin Berndzen
Markus Berger
Guido Scholz
Franz-Josef Zurhove
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
ThyssenKrupp Resource Technologies 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
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Application filed by ThyssenKrupp Resource Technologies GmbH filed Critical ThyssenKrupp Resource Technologies GmbH
Publication of EP2242583A1 publication Critical patent/EP2242583A1/de
Application granted granted Critical
Publication of EP2242583B1 publication Critical patent/EP2242583B1/de
Publication of EP2242583B2 publication Critical patent/EP2242583B2/de
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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
    • B02C15/006—Ring or disc drive gear arrangement

Definitions

  • the invention relates to a roller mill with a grinding table and at least one rolling on the grinding table grinding roller.
  • Roller mills which are also known as roller mills or vertical mills, are used in particular for the comminution of mineral raw materials and fuels, for example in the cement industry or in power plants.
  • the grinding bowl is driven by a ring motor.
  • a roller mill according to the preamble of claim 1 is known from DE 10 2006 043 179 A1 known.
  • the invention is therefore based on the object to provide a roller mill, the Mahltellerantriebssystem is characterized by a reduced susceptibility and a space-saving arrangement of Mahltellerantriebes as possible.
  • the roller mill according to the invention consists essentially of at least one grinding roller and a grinding table, wherein the grinding table has a downwardly open Mahltellerinnenraum, at least one Mahlrollenantriebssystem for driving the grinding roller and a Mahltellerantriebssystem for driving the Mahltellers.
  • Mahltellerantriebssystem also has a gearless direct drive, which is arranged in the Mahltellerinnenraum and 15% to 30% of the total installed drive power of the roller mill has.
  • the lower part of the grinding plate is bell-shaped or cylindrical, wherein the gearless direct drive is arranged in the interior of the bell-shaped or cylindrical, lower part of the grinding table.
  • the lower susceptibility to interference of the roller mill according to the invention is achieved on the one hand, that the entire drive power is divided, in which on the one hand, the grinding rollers and on the other hand, the grinding plates are driven separately. Furthermore, can be dispensed with by a gearless direct drive on the otherwise common and error-prone transmission for Mahltellerantrieb.
  • the individual drives can be dimensioned correspondingly smaller, so that in the first place an arrangement of gearless direct drive in Mahltellerinnenraum and thus an extremely space-saving arrangement is possible.
  • a roller mill is known, the grinding rollers are driven, each with an independent single drive.
  • an auxiliary drive in the grinding table is integrated to start the roller mill, but only has a capacity of about 2-5% of the total installed capacity of the roller mill.
  • Such an auxiliary drive is also not designed for continuous operation and requires a corresponding reduction, which is achieved here by a rolling on an internal gear pinion or by a friction wheel.
  • the gearless direct drive on a rotor which is mounted on the Mahltellerlagerung of the grinding table.
  • it is rotatably connected to the grinding table, in particular rotatably flanged to the grinding table.
  • the grinding table storage is expediently arranged on a base plate of the roller mill.
  • a transverse flux motor or a high-torque motor with an inner stator and an outer rotor come into consideration.
  • the high-torque motor can advantageously have a rotor with permanent magnet.
  • the gearless direct drive is connected to a control device for controlling the Dircktantriebes to a predetermined drive torque in combination.
  • the direct drive can be regulated in particular to a predetermined proportion of the recorded total power of the roller mill.
  • a control device for the Mahlrollenantriebssystem is provided, which is designed for example as power compensation and beyond also with the gearless direct drive is in communication and regulates this to a predetermined proportion of the recorded total power of the roller mill.
  • the activation of the direct drive is expediently carried out via a frequency converter.
  • a gearless direct drive is used, which can be connected directly to the mains.
  • a speed-controlled DC motor can be used.
  • the drawing shows a schematic, partially sectioned side view of a roller mill.
  • the roller mill shown in the drawing consists essentially of at least one grinding roller 1, a grinding table 2, a Mahlrollenantriebssystem 3 for driving the grinding roller 1 and a Mahltellerantriebssystem for driving the Mahltellers 2, which has a gearless direct drive 4.
  • a grinding path 2a is formed, wherein comminuted Good 5 is comminuted in the gap between the grinding path 2a and grinding roller 1.
  • the grinding table 2 rotates about its central, vertical axis 6, wherein the grinding rollers 1 on the grinding path 2 or on the intervening, to be comminuted Good 5, wherein the grinding roller 1 is pressed by a pressing system 7 against the grinding table 2 ,
  • the grinding table 2 has a Mahltellerinnenraum 2b, which is formed for example by the fact that the lower part of the grinding plate 2 is bell-shaped or cylindrical, so that the gearless direct drive 4 in Mahltellerinnenraum 2b, or in the interior of the bell-shaped or cylindrical, lower Part of the grinding plate 2 can be arranged.
  • the grinding table 2 is supported on a base plate 9 via a grinding table bearing 8, suitable bearings 8a and 8b being provided.
  • the gearless direct drive 4 has an outer rotor 4a and an inner stator 4b, wherein the rotor 4a is flanged on the grinding table 2 (see positions 10, 11).
  • the direct drive 4 can be arranged extremely space-saving inside the grinding table 2. Due to the special connection of the rotor 4a and the stator 4b, the rotor 4a does not require its own storage but is supported by the already existing grinding table bearing 8. In this way, the space is optimally utilized by not necessarily required machine elements (rotor bearing) omitted or be used by existing machine elements (grinding table storage 8). This also includes the direct connection of the stator 4b to the base plate and the absence of couplings.
  • the direct motor 4 can already be mounted in the workshop on the base plate 9, so that on the one hand a high accuracy and on the other hand a simple and fast final assembly can be done on the site.
  • the gearless direct motor 4 can be formed for example by a Transversalpoundmotor or a high-torque motor, wherein the rotor of the high-torque motor is provided with permanent magnets.
  • the resulting low speed of the direct drive also has the advantage in asynchronous machines that speed fluctuations that are triggered by load fluctuations from the grinding process, are not fed back greatly (reflected) in the torsional vibration system.
  • the absence of an additional transmission also has the further advantage that eliminates games in the transmission and thus the susceptibility of the drive is significantly reduced.
  • Mahlrollenantriebssystems 3 and the direct drive 4 via a control device 12.
  • the entire installed drive power of the roller mill is distributed to multiple drives.
  • the direct drive has 15-30% of the total installed drive power.
  • the control device 12 is designed so that it controls the gearless direct drive 4 to its predetermined proportion of the recorded total power of the roller mill. In addition, it can also be regulated to a predetermined drive torque.
  • the control of the direct drive 4 takes place for example via a frequency converter, not shown.
  • the arrangement of the direct drive inside the grinding plate allows a very space-saving arrangement, the elimination of the transmission ensures a significantly reduced susceptibility to interference.
  • special connection of the direct drive 4 additional space and cost is saved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (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)
  • Crushing And Pulverization Processes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Saccharide Compounds (AREA)
EP10709462.5A 2009-03-09 2010-03-04 Rollenmühle Active EP2242583B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009012353A DE102009012353C5 (de) 2009-03-09 2009-03-09 Rollenmühle
PCT/EP2010/052774 WO2010102946A1 (de) 2009-03-09 2010-03-04 Rollenmühle

Publications (3)

Publication Number Publication Date
EP2242583A1 EP2242583A1 (de) 2010-10-27
EP2242583B1 EP2242583B1 (de) 2011-05-25
EP2242583B2 true EP2242583B2 (de) 2014-06-25

Family

ID=42269517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10709462.5A Active EP2242583B2 (de) 2009-03-09 2010-03-04 Rollenmühle

Country Status (11)

Country Link
US (1) US8651405B2 (enExample)
EP (1) EP2242583B2 (enExample)
JP (1) JP5647156B2 (enExample)
CN (1) CN102215973B (enExample)
AT (1) ATE510625T1 (enExample)
BR (1) BRPI1004938A8 (enExample)
DE (1) DE102009012353C5 (enExample)
DK (1) DK2242583T4 (enExample)
MX (1) MX2011005283A (enExample)
RU (1) RU2520639C2 (enExample)
WO (1) WO2010102946A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008039543B4 (de) * 2008-08-25 2010-05-12 Polysius Ag Rollenmühle
CN102716785B (zh) * 2012-06-29 2014-12-03 冯桂宏 组合式定转子永磁电动机直驱立磨磨盘
CN102784695A (zh) * 2012-08-14 2012-11-21 郑州正旺科贸有限公司 石碾磨粉机
JP6675003B2 (ja) 2015-11-19 2020-04-01 ロエシェ ゲーエムベーハー ミリングボウル
US10734912B2 (en) * 2016-08-24 2020-08-04 Beckhoff Automation Gmbh Stator device for a linear motor, linear drive system, and method for operating a stator device
CN107321446A (zh) * 2017-08-08 2017-11-07 江苏鹏飞集团股份有限公司 双级研磨的立式磨粉机研磨装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3801728A1 (de) † 1988-01-21 1989-07-27 Krupp Polysius Ag Rollenmuehle
US5667149A (en) † 1995-07-03 1997-09-16 Foster Wheeler Energy Corporation Solids pulverizer mill and process utilizing interactive air port nozzles
JPH10263425A (ja) † 1997-03-27 1998-10-06 Ishikawajima Harima Heavy Ind Co Ltd 竪型ミルの粉砕テーブル
DE19856647A1 (de) † 1998-12-09 2000-06-21 Canders Wolf R Elektrischer Hochmomentmotor
DE10156586A1 (de) † 2001-11-20 2003-06-05 Brumme Kg Effbe Werk Elektromotorischer Stellantrieb
DE102006043179A1 (de) † 2006-09-14 2008-03-27 Siemens Ag Mühle zum Mahlen von grobem, steinartigem Schüttgut mit achsparallelem Antrieb
DE102006050205A1 (de) † 2006-10-25 2008-05-08 Gebr. Pfeiffer Ag Sicherheitssystem für Wälzmühlen
WO2008095902A1 (de) † 2007-02-07 2008-08-14 Polysius Ag Verfahren zur zerkleinerung von mahlgut mit einer rollenmühle
DE102007041878A1 (de) † 2007-09-04 2009-03-05 Polysius Ag Verfahren und Rollenmühle zur Zerkleinerung von Mahlgut
WO2009050142A1 (en) † 2007-10-16 2009-04-23 Flsmidth A/S Roller mill

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344998A (en) * 1964-07-27 1967-10-03 Babcock & Wilcox Co Pulverizer
US3612418A (en) * 1969-11-03 1971-10-12 Foster Wheeler Corp Pulverizer
DE1957580A1 (de) 1969-11-15 1972-01-05 Pfeiffer Barbarossawerke Muehlenantrieb
JPS5690942U (enExample) * 1979-12-12 1981-07-20
DE8425837U1 (de) * 1984-08-31 1984-11-22 Krupp Polysius Ag, 4720 Beckum Wälzmühle
US4640464A (en) * 1984-11-07 1987-02-03 Combustion Engineering, Inc. Roller mill control system
DE3602932A1 (de) 1986-01-31 1987-08-06 Kloeckner Humboldt Deutz Ag Verfahren und vorrichtung zum zerkleinern von feststoffen
SU1456222A1 (ru) * 1986-07-30 1989-02-07 Всесоюзный Научно-Исследовательский Институт Цементного Машиностроения Вертикальна роликова мельница
DE3815218A1 (de) * 1988-05-04 1989-11-16 Loesche Gmbh Luftstrom-mahlanlage
DK176500B1 (da) * 1992-07-28 2008-06-02 Kobe Steel Ltd Fremgangsmåde til styring af en valsemölle
DE19702854A1 (de) 1997-01-27 1998-07-30 Krupp Polysius Ag Verfahren und Rollenmühle zur Zerkleinerung von Mahlgut
US6081059A (en) * 1999-04-21 2000-06-27 Hsu; Chun-Pu Outer-rotor electric motor having inner-stator formed by concentrically wrapping flattened stator elements on stator core
KR100372633B1 (ko) * 2000-07-20 2003-02-17 주식회사 하이닉스반도체 오프셋 전압을 갖는 비교기
US6719227B2 (en) * 2001-11-16 2004-04-13 General Electric Canada Inc. Grinding mill and methods for fabricating same
US20040021437A1 (en) * 2002-07-31 2004-02-05 Maslov Boris A. Adaptive electric motors and generators providing improved performance and efficiency
DE10305915A1 (de) * 2003-02-13 2004-08-26 Alstom Power Boiler Gmbh Wälzmühle
US20060091755A1 (en) * 2004-10-28 2006-05-04 Precise Automation, Llc Transverse flux switched reluctance motor and control methods
DE102005045406B4 (de) * 2005-09-23 2007-09-27 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Verwendung eines elektromotorischen Direktantriebes als Antrieb einer kontinuierlichen Presse
US20090127362A1 (en) * 2007-11-16 2009-05-21 Flsmidth A/S Roller mill for comminuting solid materials
DE102008036784C5 (de) 2008-08-07 2013-06-20 Thyssenkrupp Polysius Ag Rollenmühle und Verfahren zur Zerkleinerung von Mahlgut

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3801728A1 (de) † 1988-01-21 1989-07-27 Krupp Polysius Ag Rollenmuehle
US5667149A (en) † 1995-07-03 1997-09-16 Foster Wheeler Energy Corporation Solids pulverizer mill and process utilizing interactive air port nozzles
JPH10263425A (ja) † 1997-03-27 1998-10-06 Ishikawajima Harima Heavy Ind Co Ltd 竪型ミルの粉砕テーブル
DE19856647A1 (de) † 1998-12-09 2000-06-21 Canders Wolf R Elektrischer Hochmomentmotor
DE10156586A1 (de) † 2001-11-20 2003-06-05 Brumme Kg Effbe Werk Elektromotorischer Stellantrieb
DE102006043179A1 (de) † 2006-09-14 2008-03-27 Siemens Ag Mühle zum Mahlen von grobem, steinartigem Schüttgut mit achsparallelem Antrieb
DE102006050205A1 (de) † 2006-10-25 2008-05-08 Gebr. Pfeiffer Ag Sicherheitssystem für Wälzmühlen
WO2008095902A1 (de) † 2007-02-07 2008-08-14 Polysius Ag Verfahren zur zerkleinerung von mahlgut mit einer rollenmühle
DE102007041878A1 (de) † 2007-09-04 2009-03-05 Polysius Ag Verfahren und Rollenmühle zur Zerkleinerung von Mahlgut
WO2009050142A1 (en) † 2007-10-16 2009-04-23 Flsmidth A/S Roller mill

Also Published As

Publication number Publication date
JP2012519589A (ja) 2012-08-30
RU2011119492A (ru) 2013-04-20
DE102009012353A1 (de) 2010-09-23
CN102215973A (zh) 2011-10-12
BRPI1004938A2 (pt) 2016-04-26
CN102215973B (zh) 2014-05-07
WO2010102946A1 (de) 2010-09-16
ATE510625T1 (de) 2011-06-15
EP2242583A1 (de) 2010-10-27
RU2520639C2 (ru) 2014-06-27
EP2242583B1 (de) 2011-05-25
DE102009012353B4 (de) 2011-03-17
DK2242583T3 (da) 2011-09-12
DE102009012353C5 (de) 2013-08-22
BRPI1004938A8 (pt) 2017-12-05
US8651405B2 (en) 2014-02-18
MX2011005283A (es) 2011-06-01
US20110240779A1 (en) 2011-10-06
DK2242583T4 (da) 2014-09-29
JP5647156B2 (ja) 2014-12-24

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