EP2252403A1 - Roller grinding mill - Google Patents
Roller grinding millInfo
- Publication number
- EP2252403A1 EP2252403A1 EP09722364A EP09722364A EP2252403A1 EP 2252403 A1 EP2252403 A1 EP 2252403A1 EP 09722364 A EP09722364 A EP 09722364A EP 09722364 A EP09722364 A EP 09722364A EP 2252403 A1 EP2252403 A1 EP 2252403A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grinding
- drives
- drive
- roller
- roller mill
- 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 117
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000009849 deactivation Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000001354 calcination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000011179 visual inspection 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
- 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
- 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
Definitions
- Roller mills have been known for over a hundred 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.
- each grinding roller is driven by its own drive, consisting of electric motor and reduction gear.
- the grinding table itself has no drive. A deactivation of one or more grinding rollers or one or more drives is not provided.
- the drives on carriages or rails are mobile.
- a development of the invention provides that the number of drives is equal to the number of grinding rollers.
- a particularly cost-effective embodiment of the invention provides that the grinding rollers with the rocking levers and the drives are modular prefabricated. Depending on the wishes of the mill operator, more or fewer roll modules or drive modules are used. This allows mill components such as grinding rollers, rocker arms, motors and gears to be mass-produced and stockpiled for repairs.
- Fig. 4 shows the radial forces in the operation of a roller mill with four grinding rollers and four drives under different operating conditions
- Fig. 5 shows the radial forces of a roller mill with three grinding rollers and three drives under different operating conditions.
- Fig. 4c shows the situation when in addition to the grinding roller M and the adjacent drive A has been deactivated. The resulting radial force component has been reduced to R2 ⁇ Rl.
- FIG. 4d shows the situation when, in addition to the measure according to FIG. 4c, the angular position of the drive indicated by an arrow is changed.
- the radial force R3 has almost returned to zero.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09722364T PL2252403T3 (en) | 2008-03-20 | 2009-03-10 | Roller grinding mill |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008015141A DE102008015141A1 (en) | 2008-03-20 | 2008-03-20 | roller mill |
PCT/EP2009/001691 WO2009115210A1 (en) | 2008-03-20 | 2009-03-10 | Roller grinding mill |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2252403A1 true EP2252403A1 (en) | 2010-11-24 |
EP2252403B1 EP2252403B1 (en) | 2014-07-02 |
Family
ID=40602565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09722364.8A Active EP2252403B1 (en) | 2008-03-20 | 2009-03-10 | Roller grinding mill |
Country Status (11)
Country | Link |
---|---|
US (1) | US8172168B2 (en) |
EP (1) | EP2252403B1 (en) |
JP (1) | JP5683450B2 (en) |
KR (1) | KR101374124B1 (en) |
CN (1) | CN101977690B (en) |
DE (1) | DE102008015141A1 (en) |
DK (1) | DK2252403T3 (en) |
ES (1) | ES2505141T3 (en) |
PL (1) | PL2252403T3 (en) |
RU (1) | RU2483804C2 (en) |
WO (1) | WO2009115210A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008039541B4 (en) * | 2008-08-25 | 2010-05-12 | Polysius Ag | roller mill |
DE102010016011A1 (en) * | 2010-03-18 | 2011-09-22 | Polysius Ag | roller mill |
FR2977170B1 (en) * | 2011-06-29 | 2013-08-09 | Cie Engrenages Et Reducteurs Messian Durand | DRIVE DEVICE FOR MILLING MACHINE AND CORRESPONDING MILL |
DE102011079555B4 (en) * | 2011-07-21 | 2020-12-24 | Renk Ag | Drive arrangement for a vertical roller mill |
EP3056278B1 (en) * | 2015-02-10 | 2019-06-12 | Flender GmbH | Drive assembly for a vertical mill |
CN105080665A (en) * | 2015-09-06 | 2015-11-25 | 李国良 | Vertical mill |
US20200189069A1 (en) * | 2018-12-14 | 2020-06-18 | Midwest Hardfacing Llc | Grinding roll wheel with tungsten carbide |
CN110026275B (en) * | 2019-04-23 | 2021-05-11 | 唐山盾石电气有限责任公司 | Mixed-bush thrust bearing and use method thereof |
EP3851195A1 (en) | 2020-01-14 | 2021-07-21 | Gebr. Pfeiffer SE | Roller mill with inclined grinding rollers |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE153958C (en) | ||||
DE2124521B2 (en) | 1971-05-18 | 1979-10-18 | Horst Dipl.-Ing. 4044 Kaarst Brundiek | Vertical roller mill |
JPS5228875A (en) * | 1975-07-29 | 1977-03-04 | Nippon Kogaku Kk <Nikon> | Mask |
JPS5814821B2 (en) * | 1977-08-22 | 1983-03-22 | 三菱重工業株式会社 | Baul Mill |
SU1007724A1 (en) * | 1981-11-10 | 1983-03-30 | Всесоюзный Научно-Исследовательский Институт Цементного Машиностроения | Roller mill |
JPS59138445U (en) * | 1983-03-03 | 1984-09-14 | 株式会社神戸製鋼所 | Laura Mill |
JPS59137445U (en) * | 1983-03-07 | 1984-09-13 | トヨタ自動車株式会社 | Gear transmission shift reversal mechanism |
DE3320037C1 (en) | 1983-06-03 | 1984-11-15 | Fritz Sauerwald Fabrik für Getriebebau, 5600 Wuppertal | Bowl mill crusher gears |
JPS6128470A (en) * | 1984-07-17 | 1986-02-08 | 川崎重工業株式会社 | Vertical type mill |
DE3507913C2 (en) | 1985-03-06 | 1995-07-20 | Thyssen Industrie | Drive, in particular drive for mills, preferably for grinding coal |
CH672603A5 (en) | 1987-04-09 | 1989-12-15 | Maag Zahnraeder & Maschinen Ag | |
DE3801728C2 (en) * | 1988-01-21 | 1998-07-02 | Krupp Polysius Ag | Roller mill |
DE3921986C1 (en) | 1989-07-04 | 1990-10-25 | Loesche Gmbh, 4000 Duesseldorf, De | |
DE3931116C2 (en) | 1989-09-18 | 1994-02-03 | Krupp Polysius Ag | Drive device for a roller mill |
DE19603655A1 (en) | 1996-02-01 | 1997-08-07 | Loesche Gmbh | Roller mill |
DE19702854A1 (en) | 1997-01-27 | 1998-07-30 | Krupp Polysius Ag | Vertical axis mill for grinding mineral materials |
DE19826324C1 (en) | 1998-06-12 | 1999-08-05 | Pfeiffer Ag Geb | Roller bowl mill |
JP2000279832A (en) * | 1999-03-30 | 2000-10-10 | Ube Ind Ltd | Vertical crusher for producing crushed sand |
JP2000317326A (en) | 1999-05-07 | 2000-11-21 | Babcock Hitachi Kk | Roller mill |
CN1259142C (en) * | 2000-09-29 | 2006-06-14 | 徐毅茹 | Rolling mill |
JP2002292297A (en) * | 2001-03-30 | 2002-10-08 | Kurimoto Ltd | Vertical mill |
DE10343218B4 (en) * | 2003-09-12 | 2006-05-04 | Loesche Gmbh | Safety system for a roller grinding mill guarantees the constant availability of four grinding rollers by an arrangement of more than four grinding rollers |
EP1675683B1 (en) * | 2003-09-12 | 2011-03-02 | Loesche GmbH | Method of operating of roller grinding mill, and method for the production of cement |
DE102004062400B4 (en) * | 2004-12-23 | 2006-10-26 | Loesche Gmbh | Roller mill in modular design |
CN100491075C (en) * | 2004-12-23 | 2009-05-27 | 天津工业大学 | Planet tumbling mill |
DE102005030145B4 (en) * | 2005-06-28 | 2007-10-04 | Loesche Gmbh | Safety system for a roller mill |
DE102006061328B4 (en) * | 2006-12-22 | 2014-01-16 | Gebr. Pfeiffer Ag | roller mill |
DE102007006092A1 (en) * | 2007-02-07 | 2008-08-14 | Polysius Ag | Process for comminuting regrind with a roller mill |
US7637446B2 (en) * | 2007-08-29 | 2009-12-29 | Flsmidth A/S | Roller mill for grinding solid material |
-
2008
- 2008-03-20 DE DE102008015141A patent/DE102008015141A1/en not_active Ceased
-
2009
- 2009-03-10 DK DK09722364.8T patent/DK2252403T3/en active
- 2009-03-10 JP JP2011500073A patent/JP5683450B2/en active Active
- 2009-03-10 CN CN200980109962.8A patent/CN101977690B/en active Active
- 2009-03-10 WO PCT/EP2009/001691 patent/WO2009115210A1/en active Application Filing
- 2009-03-10 ES ES09722364.8T patent/ES2505141T3/en active Active
- 2009-03-10 EP EP09722364.8A patent/EP2252403B1/en active Active
- 2009-03-10 RU RU2010142908/13A patent/RU2483804C2/en active
- 2009-03-10 KR KR1020107021020A patent/KR101374124B1/en active IP Right Grant
- 2009-03-10 PL PL09722364T patent/PL2252403T3/en unknown
-
2010
- 2010-09-20 US US12/886,296 patent/US8172168B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2009115210A1 * |
Also Published As
Publication number | Publication date |
---|---|
PL2252403T3 (en) | 2014-11-28 |
WO2009115210A1 (en) | 2009-09-24 |
JP2011514256A (en) | 2011-05-06 |
KR20110000639A (en) | 2011-01-04 |
DK2252403T3 (en) | 2014-10-13 |
ES2505141T3 (en) | 2014-10-09 |
CN101977690B (en) | 2012-08-29 |
RU2010142908A (en) | 2012-04-27 |
US20110068203A1 (en) | 2011-03-24 |
DE102008015141A1 (en) | 2009-11-05 |
RU2483804C2 (en) | 2013-06-10 |
US8172168B2 (en) | 2012-05-08 |
EP2252403B1 (en) | 2014-07-02 |
KR101374124B1 (en) | 2014-03-13 |
CN101977690A (en) | 2011-02-16 |
JP5683450B2 (en) | 2015-03-11 |
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