WO2008049545A1 - Sicherheitssystem für wälzmühlen - Google Patents
Sicherheitssystem für wälzmühlen Download PDFInfo
- Publication number
- WO2008049545A1 WO2008049545A1 PCT/EP2007/009016 EP2007009016W WO2008049545A1 WO 2008049545 A1 WO2008049545 A1 WO 2008049545A1 EP 2007009016 W EP2007009016 W EP 2007009016W WO 2008049545 A1 WO2008049545 A1 WO 2008049545A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drive system
- drives
- grinding
- drive
- electric motors
- Prior art date
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
-
- 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)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
- Disintegrating Or Milling (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES07819084T ES2385106T3 (es) | 2006-10-25 | 2007-10-18 | Sistema de seguridad para molinos de rodillos |
PL07819084T PL2086685T3 (pl) | 2006-10-25 | 2007-10-18 | System bezpieczeństwa dla młynów walcowych |
EP07819084A EP2086685B8 (de) | 2006-10-25 | 2007-10-18 | Sicherheitssystem für wälzmühlen |
JP2009533705A JP2010507473A (ja) | 2006-10-25 | 2007-10-18 | ローラミル用の安全システム |
DK07819084.0T DK2086685T3 (da) | 2006-10-25 | 2007-10-18 | Sikkerhedssystem for valsemøller |
CN2007800397048A CN101528353B (zh) | 2006-10-25 | 2007-10-18 | 用于辊式磨机的保险系统 |
AT07819084T ATE551120T1 (de) | 2006-10-25 | 2007-10-18 | Sicherheitssystem für wälzmühlen |
US12/430,380 US7926754B2 (en) | 2006-10-25 | 2009-04-27 | Safety systems for roller mills |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006050205A DE102006050205B4 (de) | 2006-10-25 | 2006-10-25 | Sicherheitssystem für Wälzmühlen |
DE102006050205.1 | 2006-10-25 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/430,380 Continuation US7926754B2 (en) | 2006-10-25 | 2009-04-27 | Safety systems for roller mills |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008049545A1 true WO2008049545A1 (de) | 2008-05-02 |
Family
ID=38870293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/009016 WO2008049545A1 (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) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009034675A (ja) * | 2007-08-02 | 2009-02-19 | Loesche Gmbh | ローラミル用ミルギア |
JP2010533579A (ja) * | 2007-07-17 | 2010-10-28 | ポリシウス アクチェンゲゼルシャフト | ロールミル |
WO2012135964A1 (en) | 2011-04-04 | 2012-10-11 | Flsmidth A/S | Heavy duty mill |
EP2540397A1 (de) * | 2011-06-29 | 2013-01-02 | Compagnie Engrenages et Reducteurs-Messian-Durand | Antriebsvorrichtung für Zerkleinerer, und entsprechender Zerkleinerer |
WO2013010616A3 (de) * | 2011-07-21 | 2013-10-24 | Renk Aktiengesellschaft | Antriebsanordnung für eine vertikal-rollenmühle |
WO2014111177A1 (de) * | 2013-01-16 | 2014-07-24 | Siemens Aktiengesellschaft | Verfahren zur antriebsregelung sowie nach dem verfahren arbeitende regelungseinrichtung |
WO2014135246A1 (de) * | 2013-03-06 | 2014-09-12 | Sew-Eurodrive Gmbh & Co. Kg | Getriebemotoranordnung |
EP3056278A1 (de) | 2015-02-10 | 2016-08-17 | Siemens Aktiengesellschaft | Getriebeanordnung für eine Vertikalmühle |
Families Citing this family (18)
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 |
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 |
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 |
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 |
KR102193884B1 (ko) * | 2013-07-08 | 2020-12-23 | 에프엘스미쓰 에이/에스 | 고부하 구동 배열체 및 밀 |
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 |
FR3032359B1 (fr) | 2015-02-10 | 2017-03-31 | Cie Engrenages Et Reducteurs - Messian - Durand | Entrainement de broyeur vertical |
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 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3931116A1 (de) * | 1989-09-18 | 1991-03-28 | Krupp Polysius Ag | Antriebseinrichtung fuer eine rollenmuehle |
WO2005028112A1 (de) * | 2003-09-12 | 2005-03-31 | Loesche Gmbh | Sicherheitssystem für eine wälzmühle und verfahren zur herstellung von zement |
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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 | |
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DE3921986C1 (de) * | 1989-07-04 | 1990-10-25 | Loesche Gmbh, 4000 Duesseldorf, De | |
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DE19826324C1 (de) | 1998-06-12 | 1999-08-05 | Pfeiffer Ag Geb | Walzenschüsselmühle |
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DE10343218B4 (de) * | 2003-09-12 | 2006-05-04 | Loesche Gmbh | Sicherheitssystem für eine Wälzmühle und Verfahren zur Herstellung von Zement |
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 |
DE502005009830D1 (de) * | 2005-10-01 | 2010-08-12 | 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 JP JP2009533705A patent/JP2010507473A/ja not_active Withdrawn
- 2007-10-18 CN CN2007800397048A patent/CN101528353B/zh active Active
- 2007-10-18 ES ES07819084T patent/ES2385106T3/es active 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 PL PL07819084T patent/PL2086685T3/pl unknown
- 2007-10-18 EP EP07819084A patent/EP2086685B8/de active Active
- 2007-10-18 DK DK07819084.0T patent/DK2086685T3/da active
- 2007-10-18 AT AT07819084T patent/ATE551120T1/de active
- 2007-10-18 WO PCT/EP2007/009016 patent/WO2008049545A1/de active Application Filing
-
2009
- 2009-04-27 US US12/430,380 patent/US7926754B2/en active Active
Patent Citations (2)
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DE3931116A1 (de) * | 1989-09-18 | 1991-03-28 | Krupp Polysius Ag | Antriebseinrichtung fuer eine rollenmuehle |
WO2005028112A1 (de) * | 2003-09-12 | 2005-03-31 | Loesche Gmbh | Sicherheitssystem für eine wälzmühle und verfahren zur herstellung von zement |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010533579A (ja) * | 2007-07-17 | 2010-10-28 | ポリシウス アクチェンゲゼルシャフト | ロールミル |
JP2009034675A (ja) * | 2007-08-02 | 2009-02-19 | Loesche Gmbh | ローラミル用ミルギア |
WO2012135964A1 (en) | 2011-04-04 | 2012-10-11 | Flsmidth A/S | Heavy duty mill |
EP2540397A1 (de) * | 2011-06-29 | 2013-01-02 | Compagnie Engrenages et Reducteurs-Messian-Durand | Antriebsvorrichtung für Zerkleinerer, und entsprechender Zerkleinerer |
FR2977170A1 (fr) * | 2011-06-29 | 2013-01-04 | Cie Engrenages Et Reducteurs Messian Durand | Dispositif d'entrainement pour broyeur, et broyeur correspondant |
US9199240B2 (en) | 2011-06-29 | 2015-12-01 | Compagnie Engrenages et Reducteurs—Messian—Durand | Driving device for a grinder, and corresponding grinder |
WO2013010616A3 (de) * | 2011-07-21 | 2013-10-24 | Renk Aktiengesellschaft | Antriebsanordnung für eine vertikal-rollenmühle |
WO2014111175A1 (de) * | 2013-01-16 | 2014-07-24 | Siemens Aktiengesellschaft | Verfahren zur antriebsregelung sowie nach dem verfahren arbeitendes antriebssystem |
WO2014111410A1 (de) * | 2013-01-16 | 2014-07-24 | Siemens Aktiengesellschaft | Verfahren zur antriebsregelung sowie nach dem verfahren arbeitendes antriebssystem |
WO2014111176A1 (de) * | 2013-01-16 | 2014-07-24 | Siemens Aktiengesellschaft | Verfahren zur antriebsregelung sowie nach dem verfahren arbeitendes antriebssystem |
WO2014111177A1 (de) * | 2013-01-16 | 2014-07-24 | Siemens Aktiengesellschaft | Verfahren zur antriebsregelung sowie nach dem verfahren arbeitende regelungseinrichtung |
US9789488B2 (en) | 2013-01-16 | 2017-10-17 | Siemens Aktiengesellschaft | Drive control method and control device which operates according to the method |
US10118181B2 (en) | 2013-01-16 | 2018-11-06 | Siemens Aktiengesellschaft | Drive control method and drive system operating according to said method |
US10556238B2 (en) | 2013-01-16 | 2020-02-11 | Siemens Aktiengesellschaft | Drive control method and drive system operating according to said method |
WO2014135246A1 (de) * | 2013-03-06 | 2014-09-12 | Sew-Eurodrive Gmbh & Co. Kg | Getriebemotoranordnung |
EP3056278A1 (de) | 2015-02-10 | 2016-08-17 | Siemens Aktiengesellschaft | Getriebeanordnung für eine Vertikalmühle |
US10041566B2 (en) | 2015-02-10 | 2018-08-07 | Siemens Aktiengesellschaft | Gearing arrangement for a vertical mill |
EP3056278B1 (de) * | 2015-02-10 | 2019-06-12 | Flender GmbH | Getriebeanordnung für eine Vertikalmühle |
Also Published As
Publication number | Publication date |
---|---|
ATE551120T1 (de) | 2012-04-15 |
DE102006050205A1 (de) | 2008-05-08 |
DE102006050205B4 (de) | 2013-03-21 |
ES2385106T3 (es) | 2012-07-18 |
CN101528353A (zh) | 2009-09-09 |
KR20090073202A (ko) | 2009-07-02 |
PL2086685T3 (pl) | 2012-09-28 |
RU2009119423A (ru) | 2010-11-27 |
EP2086685B8 (de) | 2012-09-19 |
RU2452577C2 (ru) | 2012-06-10 |
EP2086685B1 (de) | 2012-03-28 |
JP2010507473A (ja) | 2010-03-11 |
EP2086685A1 (de) | 2009-08-12 |
CN101528353B (zh) | 2011-08-03 |
US20090261190A1 (en) | 2009-10-22 |
DK2086685T3 (da) | 2012-06-04 |
US7926754B2 (en) | 2011-04-19 |
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