EP2282838A1 - Verfahren zur überwachung einer mahlanlage sowie mahlanlage mit überwachungseinrichtung - Google Patents
Verfahren zur überwachung einer mahlanlage sowie mahlanlage mit überwachungseinrichtungInfo
- Publication number
- EP2282838A1 EP2282838A1 EP09782403A EP09782403A EP2282838A1 EP 2282838 A1 EP2282838 A1 EP 2282838A1 EP 09782403 A EP09782403 A EP 09782403A EP 09782403 A EP09782403 A EP 09782403A EP 2282838 A1 EP2282838 A1 EP 2282838A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grinding
- load condition
- monitoring
- frequency range
- detected
- 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 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- 238000012806 monitoring device Methods 0.000 title description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 2
- 238000009530 blood pressure measurement Methods 0.000 claims 1
- 210000000056 organ Anatomy 0.000 claims 1
- 230000010355 oscillation Effects 0.000 abstract 3
- 238000013459 approach Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000035945 sensitivity Effects 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
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- 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
- B02C15/04—Mills with pressed pendularly-mounted rollers, e.g. spring pressed
Definitions
- the invention relates to a method for monitoring the load condition of a grinding plant and equipped with such a monitoring device grinding plant.
- the invention is therefore based on the object, a method and a
- Loading condition of the grinding plant is particularly suitable operating parameters.
- the frequency and magnitude of the fundamental vibration of the forces exerted on the mill are essentially due to the design of the mill and do not change significantly as load increases, the magnitude of the first harmonic (i.e.
- Harmonic wave of this fundamental as an extremely sensitive signal for a greatly increased or even critical load condition. This is especially true when the magnitude of the first harmonic is set in proportion to the magnitude of the fundamental.
- the first frequency range is suitably 10 to 30 Hz, preferably 15 to 25 Hz
- the second frequency range is 20 to 60 Hz, preferably 30 to 50 Hz.
- Determination of the drive torque from power and speed are carried out and a change in the load condition of the grinding system can be made by changing the speed of the grinding elements.
- Figure 1 is a perspective view of one of several grinding rollers of a roller mill with the associated roller bearing.
- FIG. 2 is a side view of the grinding roller according to FIG. 1.
- the grinding roller 1 runs on the (not shown) grinding table of a vertical roller mill and either - as in the illustrated embodiment - are driven by a drive motor 2 via a shaft which is surrounded by an axis 3, directly or indirectly via the grinding table.
- the shaft is mounted on the drive motor 2 side facing in a fixed bearing 4 and on the grinding roller 1 side facing in a designed as a force frame floating bearing 5.
- the forces acting in the axial direction are detected in the fixed bearing 2 by a strain gauge sensor 9 mounted there.
- the forces acting in the tangential direction are determined in the floating bearing 5 by a strain gauge sensor 10 provided there.
- the forces acting in the vertical direction are determined in the non-locating bearing 5 via the pressure of a hydraulic system 11 supporting the axle 3 in the force frame of the movable bearing 5.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Crushing And Grinding (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Disintegrating Or Milling (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008046921A DE102008046921B4 (de) | 2008-09-12 | 2008-09-12 | Verfahren zur Überwachung des Belastungszustandes einer Mahlanlage sowie Mahlanlage mit Überwachungseinrichtung |
PCT/EP2009/061213 WO2010028970A1 (de) | 2008-09-12 | 2009-08-31 | Verfahren zur überwachung einer mahlanlage sowie mahlanlage mit überwachungseinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2282838A1 true EP2282838A1 (de) | 2011-02-16 |
EP2282838B1 EP2282838B1 (de) | 2011-08-03 |
Family
ID=41170924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09782403A Active EP2282838B1 (de) | 2008-09-12 | 2009-08-31 | Verfahren zur überwachung einer mahlanlage sowie mahlanlage mit überwachungseinrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US8590391B2 (de) |
EP (1) | EP2282838B1 (de) |
JP (1) | JP5815405B2 (de) |
CN (1) | CN102143801B (de) |
AT (1) | ATE518596T1 (de) |
DE (1) | DE102008046921B4 (de) |
DK (1) | DK2282838T3 (de) |
WO (1) | WO2010028970A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011018705C5 (de) * | 2011-04-26 | 2020-03-26 | Khd Humboldt Wedag Gmbh | Verfahren zur Regelung des Walzenspaltdrucks einer Rollenpresse und Rollenpresse |
DE102012107729A1 (de) | 2012-08-22 | 2014-02-27 | GFB Gesellschaft für Bemessungsforschung mbH | Mahlvorrichtung |
JP6127466B2 (ja) * | 2012-11-21 | 2017-05-17 | 株式会社Ihi | 竪型ローラミル |
CN103537339B (zh) * | 2013-11-12 | 2016-03-02 | 章礼道 | 智能中速磨煤机 |
CN103639033B (zh) * | 2013-11-25 | 2015-08-05 | 中冶长天国际工程有限责任公司 | 一种获取磨矿机最佳给矿量的方法和装置 |
CN104525352B (zh) * | 2014-11-18 | 2016-04-13 | 中国矿业大学 | 一种矿用破碎机抗共振的方法 |
CN104668944A (zh) * | 2015-02-03 | 2015-06-03 | 安徽芜湖海螺建筑安装工程有限责任公司 | 一种水泥回转窑中的立磨磨辊的更换方法 |
KR101824051B1 (ko) * | 2017-06-07 | 2018-02-01 | 한국남동발전 주식회사 | 미분기 실시간 상태감시시스템 및 그 방법 |
CN107971081B (zh) * | 2017-12-29 | 2024-01-26 | 中材(天津)粉体技术装备有限公司 | 一种基于加速度传感器的立式辊磨磨辊振动监测装置 |
JP7125226B2 (ja) * | 2018-03-28 | 2022-08-24 | 株式会社北川鉄工所 | 原料加工装置 |
AU2020359317A1 (en) * | 2019-10-04 | 2022-05-19 | Minpraxis Solutions Ltd. | Rock hardness measurement |
DE102020114815A1 (de) | 2020-06-04 | 2021-12-09 | Maschinenfabrik Köppern GmbH & Co KG | Verfahren zur Überwachung einer Hochdruck-Walzenpresse |
CN114618648A (zh) * | 2022-03-31 | 2022-06-14 | 中材(天津)粉体技术装备有限公司 | 磨辊和磨盘双驱动的立式辊磨 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2537151C3 (de) * | 1975-08-21 | 1978-10-12 | Schumag Gmbh, 5100 Aachen | Verfahren und Vorrichtung zum Schleifen von langgestreckten, zylindrischen Werkstücken im Durchlauf |
US4112625A (en) * | 1975-08-21 | 1978-09-12 | Schumag Schumacher Metallwerke Gesellschaft Mit Beschankter Haftung | Device for grinding elongated cylindrical workpieces |
US4233600A (en) * | 1978-06-07 | 1980-11-11 | Pulp And Paper Research Institute Of Canada | Method and system for detecting plate clashing in disc refiners |
JPS55155547U (de) * | 1979-04-27 | 1980-11-08 | ||
JPS5985153A (ja) * | 1982-11-08 | 1984-05-17 | Hitachi Ltd | 冗長化制御装置 |
US4663892A (en) * | 1982-11-30 | 1987-05-12 | Energy Adaptive Grinding, Inc. | Force-controlled steadyrest system |
DE3621400A1 (de) | 1986-06-26 | 1988-01-14 | Paul Aertker | Verfahren und vorrichtung zur sicherung einer schlaghammermuehle gegen ueberlastung |
CA1284681C (en) * | 1986-07-09 | 1991-06-04 | Alcan International Limited | Methods and apparatus for the detection and correction of roll eccentricity in rolling mills |
JPH0696122B2 (ja) | 1988-11-02 | 1994-11-30 | 三菱マテリアル株式会社 | 竪型ミルの制御方法及びその装置 |
DE3921419A1 (de) * | 1989-06-29 | 1991-01-10 | Loesche Gmbh | Mahlflaeche von waelzmuehlen |
US5203188A (en) * | 1991-09-16 | 1993-04-20 | Morgan Construction Company | System and method for monitoring a rolling mill |
IT1259281B (it) * | 1992-10-30 | 1996-03-11 | Mulino oscillante a sfere ad alta energia | |
SE502598C2 (sv) * | 1993-06-09 | 1995-11-20 | Morgaardshammar Ab | Förfarande och anordning för slipning av rullar hos rulledare för valsverk samt rulledare som medger ett utförande av förfarandet |
JPH07175515A (ja) * | 1993-12-17 | 1995-07-14 | Kobe Steel Ltd | 機械設備及びローラミルの異常検出方法,安定度算出方法及び運転制御方法 |
DE102005040978A1 (de) * | 2005-08-29 | 2007-03-08 | Bühler AG | Verfahren zur Überwachung des Betriebszustandes rotierender Walzen in einer industriellen Anlage |
CN101898319B (zh) * | 2009-05-25 | 2011-12-28 | 中国钢铁股份有限公司 | 研磨状态评估方法 |
-
2008
- 2008-09-12 DE DE102008046921A patent/DE102008046921B4/de not_active Expired - Fee Related
-
2009
- 2009-08-31 DK DK09782403.1T patent/DK2282838T3/da active
- 2009-08-31 WO PCT/EP2009/061213 patent/WO2010028970A1/de active Application Filing
- 2009-08-31 EP EP09782403A patent/EP2282838B1/de active Active
- 2009-08-31 CN CN200980135796.9A patent/CN102143801B/zh active Active
- 2009-08-31 AT AT09782403T patent/ATE518596T1/de active
- 2009-08-31 US US13/056,753 patent/US8590391B2/en active Active
- 2009-08-31 JP JP2011526460A patent/JP5815405B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2010028970A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102143801A (zh) | 2011-08-03 |
EP2282838B1 (de) | 2011-08-03 |
US20110126641A1 (en) | 2011-06-02 |
ATE518596T1 (de) | 2011-08-15 |
WO2010028970A1 (de) | 2010-03-18 |
US8590391B2 (en) | 2013-11-26 |
DK2282838T3 (da) | 2011-11-21 |
DE102008046921A1 (de) | 2010-04-29 |
JP2012501837A (ja) | 2012-01-26 |
CN102143801B (zh) | 2013-08-14 |
JP5815405B2 (ja) | 2015-11-17 |
DE102008046921B4 (de) | 2010-06-17 |
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