EP2086685A1 - Sicherheitssystem für wälzmühlen - Google Patents
Sicherheitssystem für wälzmühlenInfo
- Publication number
- EP2086685A1 EP2086685A1 EP07819084A EP07819084A EP2086685A1 EP 2086685 A1 EP2086685 A1 EP 2086685A1 EP 07819084 A EP07819084 A EP 07819084A EP 07819084 A EP07819084 A EP 07819084A EP 2086685 A1 EP2086685 A1 EP 2086685A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive system
- drives
- grinding
- drive
- electric motors
- 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
Links
- 238000000227 grinding Methods 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 238000001354 calcination Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
Definitions
- the invention relates to actively redundant drive systems for roller mills, which comprise a housing, a rotating grinding table with grinding track, milling rollers rolling on the grinding track, a thrust bearing and a drive of electric motor and reduction gear for driving the grinding track.
- Roller mills have been known for more than 100 years and are in use worldwide. They are available in a wide variety of constructions.
- DE 153 958 C from 1902 shows a cone mill with a revolving grinding plate, on which eight milling cones rest under spring pressure.
- roller mills are used both for the production of cement raw meal and for clinker milling and coal milling.
- the kiln exhaust gases from the heat exchanger and the clinker cooler can be used to dry the millbase and to pneumatically transport the ground material.
- the roller mills serve to finely grind the coal and, with the aid of the classifying air, to feed directly into the boiler, if possible without the use of an intermediate bunker.
- DE 39 31 116 C shows a drive device for a roller mill with a rotating about a vertical axis grinding table having a connected to the Mahltellerunterteil sprocket. Furthermore, two diagonally arranged drives are provided, each consisting of a drive motor and a reduction gear. Each reduction gear has two pinions which mesh with the ring gear of the grinding table.
- the present invention has for its object to provide a drive system for roll mills, which allows to perform maintenance and repair work on the drive without interrupting the overall process.
- a first advantage of the drive system according to the invention is the increased availability thanks to the ability to continue operating the mill with sufficient capacity when a drive fails.
- a second advantage is that each individual drive has to apply only part of the mill drive power. This means that the electric motors and transmissions can be produced as series components. For the first time, it is possible to keep drives or drive components economically available, so that a quick exchange is possible.
- a third advantage of the inventive concept is due to the fact that low power transmission can be built with higher ratios than higher power transmission. This in turn means that electric motors can be used at high speed for driving. Build electric motors of high speed considerably smaller than equivalent low-speed electric motors. In this way, a further reduction of the sizes and weights is possible.
- a fourth advantage of the inventive concept is the fact that small electric motors and small gears have smaller moments of inertia and are therefore more dynamic than large ones. The control can therefore respond more quickly to the requirements of the grinding process.
- a fifth advantage of the concept according to the invention is the omission of the so-called maintenance drive. Whose task can take over one of the main drives.
- a sixth advantage of the concept according to the invention can be seen in the fact that the gearbox now permits a visual inspection without disassembly due to the arrangement and design.
- the ring gear on which mesh the pinions of the individual drives part of the grinding bowl by flanging or casting.
- the toothing can be an internal or an external toothing.
- each drive is equipped with only a single, preferably tiltable pinion. Harmful torque increases, as they can occur in the drive concept described in DE 39 31 116 C, thus ruled out.
- the electric motors of the drives are fed by frequency converters, with the help of which speed and torque are controlled.
- the frequency converters are organized according to the master-slave principle. This ensures that all drives work synchronously.
- three or more drives are provided, taking care that the radial forces act as symmetrical as possible on the sprocket.
- the spatial conditions on site can be dealt with accordingly.
- the shutdown of drives must not be solely due to maintenance or repair work; rather, it is possible to shut down individual drives when less grinding power is needed.
- standard asynchronous motors are used in place of today's slip ring motors as electric motors.
- Asynchronous motors are particularly simple and robust and have the highest output speed in the two-pole design and thus the smallest overall volume for the same performance.
- each drive is mounted on a carriage. In this way, the drive can be particularly easily activated and deactivated.
- the drive motors can be arranged horizontally or vertically. In a vertical arrangement eliminates the bevel gear of the transmission.
- FIG. 1 shows a first embodiment of a roller mill as a sectional view
- Fig. 2 is a plan view of the roller mill of Fig. 1 and
- Fig. 3 shows a second embodiment of a roller mill as a plan view.
- Fig. 1 as a sectional view and Fig. 2 as a plan view show purely schematically a first roller mill.
- a housing 1 in which a grinding plate 7 with grinding track 2 is rotatably mounted on a thrust bearing 4.
- On the grinding track 2 roll grinding rolls 3 from whose contact pressure is generated by means of tie rods 6 with hydraulic clamping cylinder.
- a ring gear 5 Mechanically connected to the grinding table 7 is a ring gear 5.
- the connection can be made by screwing or welding. It is also possible to work the sprocket 5 directly to the grinding table 7.
- the gear 11 are bevel gear reduction gear, the Abreteritzel 12, which are preferably self-adjusting, mesh with the ring gear 5.
- Fig. 2 shows a plan view around the mill housing 1 around six drives, consisting of electric motor 10 and bevel gear reduction gear 11, arranged distributed.
- the electric motors are installed with a horizontal axis.
- Fig. 3 shows an alternative embodiment.
- the drive motors 10 are mounted vertically, so that eliminates the required in the conventional gear bevel gear stage.
- the gear II 1 is a pure spur gear reducer.
- the electric motor 10, which is advantageously a standard asynchronous motor with an upstream frequency converter, is mounted in the present embodiment in a pit.
- ground millbase can be removed from an intermediate silo, so that the overall process, eg. As the production of cement in the rotary kiln or the supply of a power plant with coal dust, must not be interrupted.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Disintegrating Or Milling (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07819084T PL2086685T3 (pl) | 2006-10-25 | 2007-10-18 | System bezpieczeństwa dla młynów walcowych |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006050205A DE102006050205B4 (de) | 2006-10-25 | 2006-10-25 | Sicherheitssystem für Wälzmühlen |
PCT/EP2007/009016 WO2008049545A1 (de) | 2006-10-25 | 2007-10-18 | Sicherheitssystem für wälzmühlen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2086685A1 true EP2086685A1 (de) | 2009-08-12 |
EP2086685B1 EP2086685B1 (de) | 2012-03-28 |
EP2086685B8 EP2086685B8 (de) | 2012-09-19 |
Family
ID=38870293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07819084A Active EP2086685B8 (de) | 2006-10-25 | 2007-10-18 | Sicherheitssystem für wälzmühlen |
Country Status (12)
Country | Link |
---|---|
US (1) | US7926754B2 (de) |
EP (1) | EP2086685B8 (de) |
JP (1) | JP2010507473A (de) |
KR (1) | KR20090073202A (de) |
CN (1) | CN101528353B (de) |
AT (1) | ATE551120T1 (de) |
DE (1) | DE102006050205B4 (de) |
DK (1) | DK2086685T3 (de) |
ES (1) | ES2385106T3 (de) |
PL (1) | PL2086685T3 (de) |
RU (1) | RU2452577C2 (de) |
WO (1) | WO2008049545A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007006092A1 (de) * | 2007-02-07 | 2008-08-14 | Polysius Ag | Verfahren zur Zerkleinerung von Mahlgut mit einer Rollenmühle |
DE102007033256A1 (de) * | 2007-07-17 | 2009-01-22 | Polysius Ag | Rollenmühle |
DE202007010730U1 (de) * | 2007-08-02 | 2008-12-11 | Loesche Gmbh | Mühlengetriebe für Wälzmühlen |
DE102008036784C5 (de) * | 2008-08-07 | 2013-06-20 | Thyssenkrupp Polysius Ag | Rollenmühle und Verfahren zur Zerkleinerung von Mahlgut |
DE102009012353C5 (de) † | 2009-03-09 | 2013-08-22 | ThyssenKrupp Resource Technologies AG | Rollenmühle |
JP2011240275A (ja) * | 2010-05-19 | 2011-12-01 | Mitsubishi Heavy Ind Ltd | 竪型ミル |
JP2014519297A (ja) * | 2011-04-04 | 2014-08-07 | エフ・エル・スミス・エー・エス | ヘビーデューティミル |
FR2977170B1 (fr) * | 2011-06-29 | 2013-08-09 | Cie Engrenages Et Reducteurs Messian Durand | Dispositif d'entrainement pour broyeur, et broyeur correspondant |
DE102011079555B4 (de) * | 2011-07-21 | 2020-12-24 | Renk Ag | Antriebsanordnung für eine Vertikal-Rollenmühle |
FR2988012B1 (fr) * | 2012-03-13 | 2014-05-02 | Cie Engrenages Et Reducteurs Messian Durand | Dispositif d'entrainement et broyeur correspondant |
DE102012106554A1 (de) * | 2012-07-19 | 2014-05-15 | Thyssenkrupp Resource Technologies Gmbh | Verfahren und Anlage zur Zerkleinerung von Mahlgut mit einer Rollenmühle |
DE102012107043B4 (de) | 2012-08-01 | 2017-08-17 | Thyssenkrupp Industrial Solutions Ag | Rollenmühle und Verfahren zum Zerkleinern von Mahlgut mit einer Rollenmühle |
DE102013200578A1 (de) * | 2013-01-16 | 2014-07-17 | Siemens Aktiengesellschaft | Verfahren zur Antriebsregelung |
DE102013003748A1 (de) * | 2013-03-06 | 2014-09-11 | Sew-Eurodrive Gmbh & Co Kg | Getriebemotoranordnung |
CN103191827B (zh) * | 2013-04-17 | 2016-04-20 | 北京便宜坊烤鸭集团有限公司 | 一种江米面生产设备及江米面生产方法 |
CN105377438B (zh) * | 2013-07-08 | 2019-05-07 | Fl史密斯公司 | 重型驱动装置和粉碎机 |
DE102014002867A1 (de) * | 2014-02-18 | 2015-08-20 | Renk Aktiengesellschaft | Antriebsanordnung für eine Vertikal-Rollenmühle |
DE102014011846A1 (de) * | 2014-08-08 | 2016-02-11 | Renk Aktiengesellschaft | Antriebsanordnung einer Vertikal-Rollenmühle und Verfahren zum Betreiben derselben |
FR3032359B1 (fr) | 2015-02-10 | 2017-03-31 | Cie Engrenages Et Reducteurs - Messian - Durand | Entrainement de broyeur vertical |
EP3056278B1 (de) | 2015-02-10 | 2019-06-12 | Flender GmbH | Getriebeanordnung für eine Vertikalmühle |
FR3033863B1 (fr) * | 2015-03-17 | 2018-05-11 | Compagnie Engrenages Et Reducteurs - Messian - Durand | Entrainement de broyeur agitateur vertical |
FR3101555B1 (fr) | 2019-10-02 | 2021-10-15 | Cie Engrenages Et Reducteurs Messian Durand | Dispositif d’entraînement de broyeur vertical |
DE102020118248A1 (de) | 2020-07-10 | 2022-01-13 | Renk Gmbh | Antriebssystem mit mindestens zwei Antriebseinheiten insbesondere für Anwendungen mit hoher Drehzahl |
DE102020125690A1 (de) | 2020-10-01 | 2022-04-07 | Renk Gmbh | Antriebssystem |
CN113996418B (zh) * | 2021-10-29 | 2022-12-13 | 合肥工业大学 | 一种混合料骨料预处理设备 |
CN114522771A (zh) * | 2022-03-04 | 2022-05-24 | 徐州马龙节能环保设备有限公司 | 一种立磨磨辊防护装置 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE153958C (de) | ||||
JPS5228875A (en) * | 1975-07-29 | 1977-03-04 | Nippon Kogaku Kk <Nikon> | Mask |
JPS5219780U (de) * | 1975-07-29 | 1977-02-12 | ||
JPS59138445U (ja) * | 1983-03-03 | 1984-09-14 | 株式会社神戸製鋼所 | ロ−ラミル |
DE3320037C1 (de) | 1983-06-03 | 1984-11-15 | Fritz Sauerwald Fabrik für Getriebebau, 5600 Wuppertal | Walzenschüsselmühlengetriebe |
DE3507913C2 (de) | 1985-03-06 | 1995-07-20 | Thyssen Industrie | Antrieb, insbesondere Antrieb für Mühlen, vorzugsweise zur Aufmahlung von Kohle |
CH672603A5 (de) * | 1987-04-09 | 1989-12-15 | Maag Zahnraeder & Maschinen Ag | |
JPH01234098A (ja) * | 1988-03-14 | 1989-09-19 | Toshiba Corp | 交流電動機の制御装置 |
DE3921986C1 (de) * | 1989-07-04 | 1990-10-25 | Loesche Gmbh, 4000 Duesseldorf, De | |
DE3931116C2 (de) * | 1989-09-18 | 1994-02-03 | Krupp Polysius Ag | Antriebseinrichtung für eine Rollenmühle |
SU1729580A1 (ru) * | 1990-02-14 | 1992-04-30 | Л. М. Ивачев | Соединительное пусковое устройство вертикальной ролико-тарельчатой мельницы |
US5538192A (en) * | 1994-08-16 | 1996-07-23 | Parham; Robert L. | Plunger can and spring compressor |
DE19603655A1 (de) * | 1996-02-01 | 1997-08-07 | Loesche Gmbh | Wälzmühle |
DE19702854A1 (de) * | 1997-01-27 | 1998-07-30 | Krupp Polysius Ag | Verfahren und Rollenmühle zur Zerkleinerung von Mahlgut |
DE19826324C1 (de) | 1998-06-12 | 1999-08-05 | Pfeiffer Ag Geb | Walzenschüsselmühle |
DE20106177U1 (de) * | 2001-04-07 | 2001-06-13 | Haendle Gmbh | Kollergang mit Zusatzantrieb |
US6731017B2 (en) * | 2002-06-03 | 2004-05-04 | Clipper Windpower Technology, Inc. | Distributed powertrain that increases electric power generator density |
US7069802B2 (en) * | 2003-05-31 | 2006-07-04 | Clipper Windpower Technology, Inc. | Distributed power train (DGD) with multiple power paths |
DE10343218B4 (de) * | 2003-09-12 | 2006-05-04 | Loesche Gmbh | Sicherheitssystem für eine Wälzmühle und Verfahren zur Herstellung von Zement |
PL1675683T3 (pl) * | 2003-09-12 | 2011-06-30 | Loesche Gmbh | Sposób użytkowania młyna krążnikowego i sposób produkcji cementu |
CN2669983Y (zh) * | 2003-11-29 | 2005-01-12 | 廖振宏 | 粉磨机的衬板 |
CN2753454Y (zh) * | 2003-12-12 | 2006-01-25 | 马胜钢 | 液控单缸摇杆式自装卸磨头装置 |
ATE472850T1 (de) * | 2005-10-01 | 2010-07-15 | Juergen Posch | Maschinenanlage mit einer arbeitsmaschine |
DE202007010730U1 (de) * | 2007-08-02 | 2008-12-11 | Loesche Gmbh | Mühlengetriebe für Wälzmühlen |
-
2006
- 2006-10-25 DE DE102006050205A patent/DE102006050205B4/de not_active Revoked
-
2007
- 2007-10-18 DK DK07819084.0T patent/DK2086685T3/da active
- 2007-10-18 RU RU2009119423/13A patent/RU2452577C2/ru active
- 2007-10-18 KR KR1020097008316A patent/KR20090073202A/ko not_active Application Discontinuation
- 2007-10-18 EP EP07819084A patent/EP2086685B8/de active Active
- 2007-10-18 AT AT07819084T patent/ATE551120T1/de active
- 2007-10-18 WO PCT/EP2007/009016 patent/WO2008049545A1/de active Application Filing
- 2007-10-18 PL PL07819084T patent/PL2086685T3/pl unknown
- 2007-10-18 JP JP2009533705A patent/JP2010507473A/ja not_active Withdrawn
- 2007-10-18 ES ES07819084T patent/ES2385106T3/es active Active
- 2007-10-18 CN CN2007800397048A patent/CN101528353B/zh active Active
-
2009
- 2009-04-27 US US12/430,380 patent/US7926754B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2008049545A1 * |
Also Published As
Publication number | Publication date |
---|---|
DK2086685T3 (da) | 2012-06-04 |
EP2086685B8 (de) | 2012-09-19 |
ES2385106T3 (es) | 2012-07-18 |
RU2452577C2 (ru) | 2012-06-10 |
JP2010507473A (ja) | 2010-03-11 |
EP2086685B1 (de) | 2012-03-28 |
DE102006050205A1 (de) | 2008-05-08 |
CN101528353A (zh) | 2009-09-09 |
WO2008049545A1 (de) | 2008-05-02 |
RU2009119423A (ru) | 2010-11-27 |
CN101528353B (zh) | 2011-08-03 |
DE102006050205B4 (de) | 2013-03-21 |
US7926754B2 (en) | 2011-04-19 |
ATE551120T1 (de) | 2012-04-15 |
KR20090073202A (ko) | 2009-07-02 |
PL2086685T3 (pl) | 2012-09-28 |
US20090261190A1 (en) | 2009-10-22 |
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