EP2025409A1 - Entraînement de moulin - Google Patents
Entraînement de moulin Download PDFInfo
- Publication number
- EP2025409A1 EP2025409A1 EP08010631A EP08010631A EP2025409A1 EP 2025409 A1 EP2025409 A1 EP 2025409A1 EP 08010631 A EP08010631 A EP 08010631A EP 08010631 A EP08010631 A EP 08010631A EP 2025409 A1 EP2025409 A1 EP 2025409A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gear
- separate
- mill
- bevel gear
- drives
- 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
Images
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 mill gear for roller mills according to the preamble of claim 1.
- Roller mills which have a rotating grinding bowl with rolling-on, resiliently compressible grinding rollers, are used primarily for comminuting mineral ground material, for example cement raw materials, cement clinker, coal and also for comminuting ores.
- the drive power for the crushing work of Wälzmühlen is provided by a single drive device with drive motor and gear for the rotary drive of the grinding bowl.
- Roller mills are also known in which, in addition to the grinding bowl, the grinding rolls are driven by means of additional individual drives.
- the drive means for the grinding bowl on a bevel gear and at least one planetary gear is arranged below the grinding bowl and connected thereto.
- the invention has for its object to provide a mill gear for roller mills which any size and power rating can be used for roller mills, and is associated with relatively low cost and relatively short delivery times and at the same time has an optimized load distribution.
- the mill gear for Wälzmühlen which has a bevel gear for the power input and at least one planetary gear for the grinding bowl side power takeoff is provided according to the invention in the region of the bevel gear instead of a single, correspondingly large drive means with several separate drive means or drives.
- the separate drives the bevel gear which are conveniently arranged around the gear housing or a common bevel gear, allow the use of smaller and especially commercially available components, such as electric motors, so that a significant cost savings and shorter delivery times can be achieved.
- the separate drives the bevel gear each have separate bevel pinion, which mesh with a common bevel gear of the bevel gear and also have a corresponding training and can contribute to cost reduction.
- Another essential advantage of the preferably uniformly arranged around the common bevel gear or the gear housing separate drives is that in case of failure of one of the multiple drives, or one of the multiple electric motors, the roller mill can be operated with the other drives.
- the bevel gear stage has a large drive motor, desen failure leads to a standstill of the entire mill and production losses.
- the roller mill can continue to operate with reduced power and the defective drive to be replaced.
- the number and / or power of the separate drives can be made variable and can be determined in accordance with the respective required power of the roller mill
- the mill gear 2 is in this embodiment, a two-stage Wälzmühlengetriebe, which has a bevel gear 10 and a planetary gear 5 in a gear housing 4.
- the planetary gear 5 consists of a sun gear 6 in the center, therefore arranged planetary gears 7 and a common ring gear 9 with internal toothing, in which the planet gears 7 are supported.
- Distance and guidance of the planetary gears 7 are effected by a planet carrier 8, which is connected to an output flange 3 and a grinding bowl (not shown) arranged thereon via an output shaft 19 in a rotationally fixed manner.
- the sun gear 6 of the planetary gear 5 is driven by the upstream bevel gear 10 via a vertical drive shaft 21 and a toothed clutch 22, so that the rotating planetary gears 7 together rotate the planet 8 and thus the output flange 3 with grinding bowl.
- this has several separate drives instead of a single main drive, of which only two separate drives 11, 12 are shown in the drawing figure.
- These separate drives 11, 12 are opposite to each other, and it is obvious that in addition to these two separate drives 11, 12 further drives, in particular evenly spaced from each other, around the common bevel gear 20 or around or in the transmission housing 4 can be arranged , For example, a total of four separate drives or more than four drives, possibly in accordance with the number of rolling on the grinding bowl grinding rollers, may be arranged.
- Each separate drive 11, 12 has a separate bevel pinion 15, 16, which in each case via a horizontal, separate drive shaft 13, 14 with a separate drive motor (not shown) is connected.
- the individual bevel pinions 15, 16 mesh with the common bevel gear 20 and thus drive the vertical drive shaft 21 and via the planetary gear 5, the output shaft 19 and thus the grinding bowl.
- the mill gear 2 according to the invention which is not limited to the illustrated two-stage mill gear, thus has an optimized load distribution not only in the planetary gear 5, but also in the underlying bevel gear stage 10.
- the separate, smaller drive motors may be horizontal motors or vertical motors.
- the separate electric motors of the separate drives are also conveniently connected via couplings (not shown) and thus releasably and replaceably connected to the respective drive shafts, so that if necessary, a rapid exchange can take place.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Gear Transmission (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08010631T PL2025409T3 (pl) | 2007-08-02 | 2008-06-11 | Urządzenie napędowe młynów dla młynów krążnikowych |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202007010730U DE202007010730U1 (de) | 2007-08-02 | 2007-08-02 | Mühlengetriebe für Wälzmühlen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2025409A1 true EP2025409A1 (fr) | 2009-02-18 |
EP2025409B1 EP2025409B1 (fr) | 2012-08-08 |
Family
ID=39645243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08010631A Active EP2025409B1 (fr) | 2007-08-02 | 2008-06-11 | Entraînement de moulin |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2025409B1 (fr) |
JP (1) | JP5183335B2 (fr) |
CN (1) | CN101357347B (fr) |
DE (1) | DE202007010730U1 (fr) |
DK (1) | DK2025409T3 (fr) |
ES (1) | ES2389386T3 (fr) |
PL (1) | PL2025409T3 (fr) |
RU (1) | RU2430280C2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3056278A1 (fr) | 2015-02-10 | 2016-08-17 | Siemens Aktiengesellschaft | Système d'engrenage pour un moulin vertical |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006050205B4 (de) * | 2006-10-25 | 2013-03-21 | Gebr. Pfeiffer Ag | Sicherheitssystem für Wälzmühlen |
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 |
FR2979838B1 (fr) * | 2011-09-09 | 2016-01-15 | Cie Engrenages Et Reducteurs Messian Durand | Entrainement de broyeur vertical a plusieurs entrainements principaux |
DE102014008966A1 (de) * | 2014-06-23 | 2015-12-24 | Renk Aktiengesellschaft | Antriebsanordnung für eine Vertikal-Rollenmühle |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7620223U1 (de) * | 1975-07-29 | 1976-12-09 | Combustion Engineering Inc., Windsor, Conn. (V.St.A.) | Pulverisiervorrichtung |
DE3240222A1 (de) * | 1981-11-02 | 1983-05-11 | Maag-Zahnräder & -Maschinen AG, 8023 Zürich | Walzenschuesselmuehle |
DE3320037C1 (de) * | 1983-06-03 | 1984-11-15 | Fritz Sauerwald Fabrik für Getriebebau, 5600 Wuppertal | Walzenschüsselmühlengetriebe |
DE3931116A1 (de) * | 1989-09-18 | 1991-03-28 | Krupp Polysius Ag | Antriebseinrichtung fuer eine rollenmuehle |
DE19917608C1 (de) * | 1999-04-19 | 2001-09-13 | Renk Ag | Schüsselmühlengetriebe |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1126346A1 (ru) * | 1981-05-13 | 1984-11-30 | Краматорский Индустриальный Институт | Привод клети прокатного стана |
DE3217079A1 (de) * | 1981-07-15 | 1983-02-03 | VEB Schwermaschinenbau-Kombinat "Ernst Thälmann" Magdeburg, DDR 3011 Magdeburg | Gruppenantrieb |
JPS59138445U (ja) * | 1983-03-03 | 1984-09-14 | 株式会社神戸製鋼所 | ロ−ラミル |
EP0208803B1 (fr) * | 1985-07-18 | 1989-11-23 | MANNESMANN Aktiengesellschaft | Entraînement de laminoir |
DE19702854A1 (de) * | 1997-01-27 | 1998-07-30 | Krupp Polysius Ag | Verfahren und Rollenmühle zur Zerkleinerung von Mahlgut |
CN2539015Y (zh) * | 2002-04-29 | 2003-03-05 | 南京大学仪器厂 | 行星式齿轮球磨机 |
CN2589075Y (zh) * | 2002-10-23 | 2003-12-03 | 宜兴市创新机械制造有限公司 | 立式磨辊磨粉机 |
DE102006050205B4 (de) * | 2006-10-25 | 2013-03-21 | Gebr. Pfeiffer Ag | Sicherheitssystem für Wälzmühlen |
-
2007
- 2007-08-02 DE DE202007010730U patent/DE202007010730U1/de not_active Expired - Lifetime
-
2008
- 2008-06-11 ES ES08010631T patent/ES2389386T3/es active Active
- 2008-06-11 DK DK08010631.3T patent/DK2025409T3/da active
- 2008-06-11 PL PL08010631T patent/PL2025409T3/pl unknown
- 2008-06-11 EP EP08010631A patent/EP2025409B1/fr active Active
- 2008-07-10 RU RU2008127771/11A patent/RU2430280C2/ru not_active IP Right Cessation
- 2008-07-15 JP JP2008183337A patent/JP5183335B2/ja not_active Expired - Fee Related
- 2008-08-01 CN CN2008101348399A patent/CN101357347B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7620223U1 (de) * | 1975-07-29 | 1976-12-09 | Combustion Engineering Inc., Windsor, Conn. (V.St.A.) | Pulverisiervorrichtung |
DE3240222A1 (de) * | 1981-11-02 | 1983-05-11 | Maag-Zahnräder & -Maschinen AG, 8023 Zürich | Walzenschuesselmuehle |
DE3320037C1 (de) * | 1983-06-03 | 1984-11-15 | Fritz Sauerwald Fabrik für Getriebebau, 5600 Wuppertal | Walzenschüsselmühlengetriebe |
DE3931116A1 (de) * | 1989-09-18 | 1991-03-28 | Krupp Polysius Ag | Antriebseinrichtung fuer eine rollenmuehle |
DE19917608C1 (de) * | 1999-04-19 | 2001-09-13 | Renk Ag | Schüsselmühlengetriebe |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3056278A1 (fr) | 2015-02-10 | 2016-08-17 | Siemens Aktiengesellschaft | Système d'engrenage pour un moulin vertical |
US10041566B2 (en) | 2015-02-10 | 2018-08-07 | Siemens Aktiengesellschaft | Gearing arrangement for a vertical mill |
Also Published As
Publication number | Publication date |
---|---|
DE202007010730U1 (de) | 2008-12-11 |
EP2025409B1 (fr) | 2012-08-08 |
DK2025409T3 (da) | 2012-11-19 |
RU2430280C2 (ru) | 2011-09-27 |
JP5183335B2 (ja) | 2013-04-17 |
RU2008127771A (ru) | 2010-01-20 |
CN101357347B (zh) | 2013-07-17 |
JP2009034675A (ja) | 2009-02-19 |
CN101357347A (zh) | 2009-02-04 |
ES2389386T3 (es) | 2012-10-25 |
PL2025409T3 (pl) | 2012-11-30 |
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