WO2008080509A1 - Wälzmühle - Google Patents
Wälzmühle Download PDFInfo
- Publication number
- WO2008080509A1 WO2008080509A1 PCT/EP2007/010696 EP2007010696W WO2008080509A1 WO 2008080509 A1 WO2008080509 A1 WO 2008080509A1 EP 2007010696 W EP2007010696 W EP 2007010696W WO 2008080509 A1 WO2008080509 A1 WO 2008080509A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- grinding
- roller
- rollers
- roller mill
- feature
- 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
- B02C15/04—Mills with pressed pendularly-mounted rollers, e.g. spring pressed
-
- 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 roller mills, comprising a housing, a grinding table with drive, grinding rollers rolling on the grinding table, rockers and rocker axes for each grinding roller, and clamping devices with hydraulic cylinders for pressing the grinding rollers to the grinding table.
- Roller mills are subject to more or less wear. Particularly affected are the grinding rollers and the grinding track. If these parts have to be serviced or repaired, the grinding rollers usually have to be removed from the grinding chamber.
- the mill manufacturers and operators use special handling devices adapted to the respective mill type. This can be sled-like devices, run into the mill interior crane tracks or hydraulic auxiliary devices. In part, the grinding rollers must be completely detached from their roller guide to allow the removal. In other constructions roll guide and clamping cylinder must be separated in order to pivot out of the housing with auxiliary cylinders, the rollers. For example, compare DE 10 2004 062 400 A.
- the required auxiliary devices are to be dimensioned correspondingly large.
- the handling of these auxiliary devices and the manipulation of the grinding rollers is time-consuming and cumbersome due to the large weights. That is unsatisfactory.
- the present invention has for its object to provide a roller mill, in which the grinding rollers can be easily and quickly swung out of the mill housing.
- This object is achieved by a roller mill having the features: for each grinding roller a swivel device is provided with a swivel-out, the hydraulic cylinders of the clamping devices are able toAutoschwenken the grinding rollers out of the housing.
- the grinding rollers are mounted on brackets, which stand next to the mill housing. Thanks to this construction, the mill housing is not burdened by the grinding forces.
- the hydraulic cylinders are preferably positioned next to the brackets and not between console and mill housing as in the above-mentioned prior art.
- pivot axis and the pivot axis are separated, they are oriented perpendicular to one another according to an embodiment of the invention. This simplifies the structural implementation of the swiveling out.
- detachable connections are provided which mutually block one of the axes. This ensures that the grinding rollers each perform the desired movement.
- a releasable connecting rod is provided for blocking the rocker axis and / or for limiting the stroke of the grinding rollers.
- this connecting rod By suitable geometry of this connecting rod, the swingarm axis can be blocked in any desired position. This is particularly advantageous when the grinding rollers are lifted in part-load operation of the mill of the grinding path, or be swung out of the mill housing.
- screws are provided for blocking the Ausschwenkachse. Such a screw is used without any disadvantage, since the grinding rollers are only completely swung out in rare cases.
- FIG 3 shows the roller mill of FIGS. 1 and 2 with completely pivoted grinding rollers
- Fig. 4 on an enlarged scale a section of the range of the wings and
- FIG. 5 shows a section through a roller mill with only one axis.
- FIG. 1 to 3 show a first roller mill with a mill housing 9, in which a grinding track 2 is arranged to rotate.
- the grinding track 2 is driven by a drive 10.
- Four grinding rollers 3 are mounted on rockers 6, which have a rocker axis 7. At the wings 6 hydraulic cylinders 1 attack, with the aid of the grinding rollers 3 are pressed with defined force against the grinding path 2 and the grinding material lying thereon during the grinding operation.
- the grinding rollers 3 oscillate about the rocker axes 7.
- the grinding rollers 3 and the wings 6 are positioned on brackets 8, which are adjacent to the mill housing 9.
- Figs. 2 and 3 show the pivoting of the grinding rollers 3 from the housing 9, for example, for maintenance purposes.
- the consoles. 8 and the rockers 6 Ausschwenkachsen 4 are provided, which are each oriented perpendicular to the rocker axes 7.
- the hydraulic cylinders 1 are positioned next to the brackets 8. Thanks to these measures, the grinding rollers 3 can be swung out with their wings 6 by their Auswenkachse 4 from the mill housing 9 by extending the hydraulic cylinder 1.
- the hydraulic cylinder 1 remains engaged. It is only the swing axle 7 blocked and the Ausschwenkachse 4 released. This means a considerable work and time savings.
- the simplified, guided handling of components weighing several tens of tons also serves to ensure occupational safety.
- the hydraulic cylinder 1 is adjacent to the bracket 8 and is movably connected to the rocker 6 below the shaft of the grinding roller 3. Between the rocker 6 and the swingarm bearing a connecting rod 5 is laid. This blocks the rocker axis 7 and sets the position of the grinding roller 3 over the grinding path, depending on the length.
- Fig. 4 shows that the Ausschwenkachse 4 can be blocked.
- screw 5 1 are provided.
- FIG. 5 shows a section through a second roller mill, in which the swivel-out axis 4 and the rocker axis 7 are identical. This simplifies the construction again in addition.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009541820A JP2010513001A (ja) | 2006-12-22 | 2007-12-08 | ローラーミル |
EP07847040A EP2091651A1 (de) | 2006-12-22 | 2007-12-08 | Wälzmühle |
US12/489,170 US20090314866A1 (en) | 2006-12-22 | 2009-06-22 | Roller mill |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006061328.7 | 2006-12-22 | ||
DE102006061328.7A DE102006061328B4 (de) | 2006-12-22 | 2006-12-22 | Wälzmühle |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/489,170 Continuation US20090314866A1 (en) | 2006-12-22 | 2009-06-22 | Roller mill |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008080509A1 true WO2008080509A1 (de) | 2008-07-10 |
WO2008080509B1 WO2008080509B1 (de) | 2008-09-12 |
Family
ID=39124619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/010696 WO2008080509A1 (de) | 2006-12-22 | 2007-12-08 | Wälzmühle |
Country Status (8)
Country | Link |
---|---|
US (1) | US20090314866A1 (de) |
EP (1) | EP2091651A1 (de) |
JP (1) | JP2010513001A (de) |
KR (1) | KR20090101187A (de) |
CN (1) | CN101568387A (de) |
DE (1) | DE102006061328B4 (de) |
RU (1) | RU2009128223A (de) |
WO (1) | WO2008080509A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010519036A (ja) * | 2007-02-28 | 2010-06-03 | ポリシウス アクチェンゲゼルシャフト | ローラーミル |
JP2012500723A (ja) * | 2008-08-25 | 2012-01-12 | ポリシウス アクチェンゲゼルシャフト | ローラーミル |
JP2022525494A (ja) * | 2019-04-04 | 2022-05-17 | ロエシェ ゲーエムベーハー | 力伝達用のレバーシステム |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008015141A1 (de) * | 2008-03-20 | 2009-11-05 | Gebr. Pfeiffer Ag | Wälzmühle |
CN103127984A (zh) * | 2013-02-26 | 2013-06-05 | 南京凯盛国际工程有限公司 | 一种新型物料粉磨装置 |
CN103084241B (zh) * | 2013-02-26 | 2015-09-30 | 南京凯盛国际工程有限公司 | 一种新型立式辊磨机 |
CN103816982B (zh) * | 2014-02-18 | 2016-05-25 | 北京电力设备总厂有限公司 | 用于中速辊式磨煤机磨辊装置拆装的旋转工具 |
US10799874B2 (en) * | 2015-05-27 | 2020-10-13 | General Electric Technology Gmbh | Modified journal assembly for pulverizer |
JP6728977B2 (ja) * | 2016-05-26 | 2020-07-22 | 宇部興産機械株式会社 | 竪型粉砕機 |
CN106378230B (zh) * | 2016-08-30 | 2018-06-29 | 朱新科 | 一种用于铁轨杂质的可调粉碎机构 |
US20200189069A1 (en) * | 2018-12-14 | 2020-06-18 | Midwest Hardfacing Llc | Grinding roll wheel with tungsten carbide |
JP7116365B2 (ja) * | 2018-12-21 | 2022-08-10 | Ubeマシナリー株式会社 | 竪型粉砕機 |
US10758912B1 (en) * | 2019-04-11 | 2020-09-01 | Gene P. Guthmiller | Material processing system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4202784A1 (de) * | 1992-01-31 | 1993-08-05 | Loesche Gmbh | Luftstrom-waelzmuehle |
JPH11123340A (ja) * | 1997-10-22 | 1999-05-11 | Kawasaki Heavy Ind Ltd | 竪型ローラミルのローラ加圧用油圧シリンダの取付構造 |
WO2005028112A1 (de) * | 2003-09-12 | 2005-03-31 | Loesche Gmbh | Sicherheitssystem für eine wälzmühle und verfahren zur herstellung von zement |
DE102004062400A1 (de) * | 2004-12-23 | 2006-07-06 | Loesche Gmbh | Wälzmühle in Modulbauweise |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3100341A1 (de) * | 1981-01-08 | 1982-07-22 | Loesche GmbH, 4000 Düsseldorf | Walzenmuehle, insbesondere fuer die kohlenvermahlung |
DE3801728C2 (de) * | 1988-01-21 | 1998-07-02 | Krupp Polysius Ag | Rollenmühle |
DE10343218B4 (de) * | 2003-09-12 | 2006-05-04 | Loesche Gmbh | Sicherheitssystem für eine Wälzmühle und Verfahren zur Herstellung von Zement |
-
2006
- 2006-12-22 DE DE102006061328.7A patent/DE102006061328B4/de active Active
-
2007
- 2007-12-08 EP EP07847040A patent/EP2091651A1/de not_active Withdrawn
- 2007-12-08 JP JP2009541820A patent/JP2010513001A/ja not_active Withdrawn
- 2007-12-08 RU RU2009128223/21A patent/RU2009128223A/ru unknown
- 2007-12-08 WO PCT/EP2007/010696 patent/WO2008080509A1/de active Application Filing
- 2007-12-08 KR KR1020097012707A patent/KR20090101187A/ko not_active Application Discontinuation
- 2007-12-08 CN CNA2007800476571A patent/CN101568387A/zh active Pending
-
2009
- 2009-06-22 US US12/489,170 patent/US20090314866A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4202784A1 (de) * | 1992-01-31 | 1993-08-05 | Loesche Gmbh | Luftstrom-waelzmuehle |
JPH11123340A (ja) * | 1997-10-22 | 1999-05-11 | Kawasaki Heavy Ind Ltd | 竪型ローラミルのローラ加圧用油圧シリンダの取付構造 |
WO2005028112A1 (de) * | 2003-09-12 | 2005-03-31 | Loesche Gmbh | Sicherheitssystem für eine wälzmühle und verfahren zur herstellung von zement |
DE102004062400A1 (de) * | 2004-12-23 | 2006-07-06 | Loesche Gmbh | Wälzmühle in Modulbauweise |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010519036A (ja) * | 2007-02-28 | 2010-06-03 | ポリシウス アクチェンゲゼルシャフト | ローラーミル |
JP2012500723A (ja) * | 2008-08-25 | 2012-01-12 | ポリシウス アクチェンゲゼルシャフト | ローラーミル |
JP2022525494A (ja) * | 2019-04-04 | 2022-05-17 | ロエシェ ゲーエムベーハー | 力伝達用のレバーシステム |
JP7379496B2 (ja) | 2019-04-04 | 2023-11-14 | ロエシェ ゲーエムベーハー | 力伝達用のレバーシステム |
Also Published As
Publication number | Publication date |
---|---|
DE102006061328A1 (de) | 2008-06-26 |
JP2010513001A (ja) | 2010-04-30 |
DE102006061328B4 (de) | 2014-01-16 |
WO2008080509B1 (de) | 2008-09-12 |
KR20090101187A (ko) | 2009-09-24 |
EP2091651A1 (de) | 2009-08-26 |
US20090314866A1 (en) | 2009-12-24 |
RU2009128223A (ru) | 2011-01-27 |
CN101568387A (zh) | 2009-10-28 |
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