EP2632598A2 - Roller mill - Google Patents
Roller millInfo
- Publication number
- EP2632598A2 EP2632598A2 EP12713873.3A EP12713873A EP2632598A2 EP 2632598 A2 EP2632598 A2 EP 2632598A2 EP 12713873 A EP12713873 A EP 12713873A EP 2632598 A2 EP2632598 A2 EP 2632598A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller mill
- grinding
- cone
- feed
- screw feeder
- 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 claims abstract description 96
- 239000000463 material Substances 0.000 claims abstract description 54
- 238000009826 distribution Methods 0.000 claims description 12
- 238000003801 milling Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000003892 spreading Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 13
- 238000009827 uniform distribution Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 241000237908 Riftia pachyptila Species 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000109 continuous material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003101 oviduct Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000725 suspension Substances 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
- B02C15/007—Mills with rollers pressed against a rotary horizontal disc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/32—Passing gas through crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- 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
- B02C2015/002—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
Definitions
- the invention relates to a roller mill according to the preamble of claim 1.
- the invention is particularly suitable for roller mills, which are provided for grinding of raw coal.
- Roller mills which roll a grinding bowl or a grinding plate with a grinding track and with spring-loaded grinding rollers which roll on the grinding track or on a feed material supplied therefrom feed material, are used for comminuting a wide variety of materials (DE 102 24 009 B4, DE 31 003 41 A1 and DE 31 34 601 C2).
- the feed material which is comminuted in a grinding gap between the grinding rollers and the grinding path, can be fed to the grinding chamber and the rotating grinding bowl laterally or centrally.
- the comminuted material to be ground in an ascending gas stream for example an air stream which reaches the grinding space via a blade ring at the circumference of the grinding bowl, is fed to a sifter arranged above the grinding space. Fine material is discharged in the gas stream, while the coarse material particles are rejected in the classifier and returned to the central area of the grinding bowl via a semolina cone with a cone-side cone opening and, due to the effect of the centrifugal force, re-ground under the grinding rolls.
- a central feed or task of material to be comminuted in vertical Wälzmühlen takes place vertically from above into the center of the grinding bowl by a task trajectory, which is guided centrally through the separator (US A 4,606,506, DE 195 28 338 C1).
- This feeder can usually also with very damp and Sticky feed material, such as raw coal, blockage of the feed tube are largely prevented by caking.
- a sifter rotor must be used with a hollow shaft for receiving the task fallopian tube.
- Such a classifier rotor is considerably more expensive compared to a conventional classifier drive design.
- For relatively large classifier with a downpipe diameter> 1 m also an economic implementation due to the required high peripheral speeds with external gear axial roller bearings is not possible.
- the height of the application point for the feed material above the classifier is disadvantageous because of the longer and in the required height to be executed delivery routes and the associated investment and energy needs.
- the task of the feed material takes place via steeply inclined feed chutes, which are arranged laterally on the classifier and do not extend into the center of the roller mill or grinding chamber (EP 1 239 966 B1, US Pat. No. 4,597,537).
- feed chutes which are arranged laterally on the classifier and do not extend into the center of the roller mill or grinding chamber.
- the strong inclination of the feed chute prevents at the same time a discharge parabola for the raw coal into the center of the grinding bowl.
- the sifter and the lateral task chute would have to be positioned considerably higher.
- the feed material such as raw coal
- Disadvantageous consequences are an uneven grinding roller load and a reduced running smoothness of the roller mill as well as a lower energy efficiency of the grinding process. Incomplete supply of the raw coal to the grinding rollers and comminution can also lead to deposits of coal dust and a fire hazard.
- a roller mill is described with an integrated air classifier and with a Gutzu 1500rinne, which is highly inclined and passes through the mill and funnel wall of the classifier.
- the Gutzu 1500rinne ends off-center in the hopper outlet, and the feed material passes with the rejected in the classifier coarse grain via a central feed nozzle on a distributor cone in the center the grinding path.
- the Gutzu 1500rinne should be designed for a complete and uniform material supply as a pneumatic or vibration conveyor trough.
- roller mill with two grinding rollers is known, which is intended for a relatively small throughput and, for example, as a laboratory mill.
- the desired simple and inexpensive construction relates to training and arrangement of the roller carrier and its storage.
- the roller carrier passes through the mill housing above the grinding plate diametrically and has a central part with a central passage opening for feed material, which is placed over a centrally arranged in a cover of the roller mill feed nozzle.
- An alternative roller mill is provided with an air sifter and a semolina cone.
- horizontally arranged tube screw conveyor ends in a region of the cone wall, so that supplied feed material along the cone wall can reach a cone opening and centered on the grinding table.
- JP 2000 237 614 A discloses an air flow roller mill with an additional classifying air flow for varying the particle size distribution, which is supplied tangentially above the grinding rollers but below the viewing space.
- the variable grain size distribution also serves to remove the rejected in the classifier Coarse material by means of a horizontal screw conveyor, which runs directly below the semolina cone opening.
- the feed to be crushed passes through a screw conveyor, which ends in a vertical discharge pipe of the semolina cone or in the area between the grinding rollers and the semolina cone, centrally on the grinding bowl.
- JP 2000 312 832 A shows a vertical mill with a classifier rotor, but without a semolina cone.
- the feed material passes through a feed line and a horizontal screw conveyor, which ends between two grinding rollers, into the grinding chamber.
- the screw conveyor is mounted on the side of the mill housing and with its opening does not reach into the mill center.
- the invention is based on the invention to provide a roller mill, in particular a coal mill, which ensures a continuous, uniform and cost-effective task / feed of the feed material and a trouble-free, efficient grinding process.
- the invention is based on a roller mill, in particular an air-flow roller mill for grinding raw coal, with a feed system which supplies the raw coal to the center of the roller mill, in particular into the center of the grinding bowl, which is advantageously provided with a defined distribution area , guaranteed.
- a feed system which supplies the raw coal to the center of the roller mill, in particular into the center of the grinding bowl, which is advantageously provided with a defined distribution area , guaranteed.
- the feed material in the center of the semolina cone which is located above the grinding chamber and below a classifier, discarded, so that the feed material passes together with the rejected from the sifter coarse material in the center of the grinding bowl and is evenly distributed to all grinding rollers.
- the screw feeder as a tube screw conveyor and to guide it substantially horizontally through the roller mill and the semolina cone, wherein according to the invention the worm shaft intersects the longitudinal axis of the roller mill.
- the worm shaft of the worm feeder is connected at one end to a drive device and mounted at the other end in a storage.
- the drive device and the bearing of the worm shaft are arranged outside the roller mill.
- the drive device and the bearing of the worm shaft can be arranged on a support structure on the mill housing.
- the storage of the worm shaft outside the roller mill or the grinding / sighting space largely prevents contamination by coal dust.
- a seal between the rotating worm shaft and the mill housing can be carried out advantageously in a mechanical manner or by means of sealing gas.
- the worm shaft is provided outside a conveying trough of the worm feeder with a protective tube which extends from a grinding chamber-side end region of the worm feeder close to the bearing of the worm shaft outside the rolling mill.
- the drive device such as a motor with gearbox, can be performed with constant or variable speed, for example by means of frequency converter.
- a mill outside end portion of the screw feeder is provided outside the roller mill with the laterally arranged drive means, while a Mahlraumscher end portion is arranged in the semolina cone of the roller mill.
- the outer wall end region of the screw feeder is provided with a receiving opening, via which the feed material in the screw feeder and with the help of the worm gear in a forced conveyance to the center of the roller mill, which is determined by the longitudinal axis of the roller mill passes ,
- the milling space-side end region of the screw feeder has an ejection opening, which is designed and dimensioned coaxially with the longitudinal axis of the roller mill for the central feed of the feed material.
- Such a supply and uniform distribution of the feed material, preferably together with the rejected in the classifier coarse grain, allows an energetically extremely advantageous grinding process.
- the uniform distribution of the feed material to be crushed also improves the smooth running of the roller mill and allows a better adjustment of the setting parameters for the grinding.
- the worm gear, the conveyor trough and a cover or the pipe worm conveyor extend from the outer side end portion of the mill space side end portion, while the worm shaft from the outside drive means, which is in particular arranged close to the receiving opening, to the storage outside the roller mill at the opposite end.
- the screw feeder is connected via its receiving opening in the outer wall end region with a feed channel for the feed material.
- This supply channel can expediently be essentially chen perpendicular and have at the top of a rotary valve, which serves as an air seal.
- the feed channel of the feed system may be formed in a simple construction as a closed pipe.
- the feed material can then fall from the rotary feeder via the closed feed channel and the receiving opening in the screw conveyor or in the conveyor trough, to then transported by means of the worm gear to the trough-side ejection opening and dropping vertically down the grinding bowl centrally.
- roller mill with a screw feeder consist in addition to a continuous, uniform and trouble-free feeding of the feed material into the center of the grinding bowl and a uniform distribution of the feed material together with rejected in the classifier coarse grain on the grinding bowl and under the grinding rollers in an energy saving for the milling process. Energy savings of up to 5% compared to the previously used task arrangements are possible. In addition, a trouble-free and reliable, continuous material task is ensured.
- the roller mill 2 has a grinding bowl 4, which rotates about a longitudinal axis 20.
- the grinding bowl 4 is provided with a grinding path 26 on which a grinding bed is formed from the feed material to be crushed (not shown).
- a suspension system (not shown) force-loaded grinding rollers 6 roll off and crush the feed material 5, which is supplied by means of a feed system.
- grinding roller 6 In the drawing figure, only one grinding roller 6 is shown schematically. In principle, two, three, four or more grinding rollers can be arranged.
- the comminuted material to be ground (not shown) is conveyed in an ascending gas flow (not shown), which is supplied via a blade ring 28 at the periphery of the grinding bowl 4 to the grinding chamber 3, a separator 7, which above the grinding arranged space 3 and integrated in this embodiment in the roller mill 2, fed to the classification.
- the classifier 7 is provided with a rotor 30 which rotates about the longitudinal axis 20 and has sight strips 31. Concentrically around the sifter rotor 30, a Leiterielkranz 33 is arranged to form a viewing space 32.
- the semolina cone 8 has on the bottom side a central cone opening 9, which allows a central supply of the coarse grain to the grinding bowl 4 or to a central distribution region 24 of the grinding bowl 4 and a uniform feed to the grinding rolls 6.
- the central distribution region 24 is configured in the shape of a truncated cone. Uniform distribution of the coarse grain and the feed material 5 supplied by means of the feed system is ensured by uniformly discharging the feed material 5 and the coarse grain via the conical distribution region 24 or displacement body and on the grinding bowl 4 under centrifugal force in the direction of the grinding path 26 and below the grinding rolls 6 reach.
- the feeding system for an energy-efficient, central and uniform feeding of the feed 5 into the grinding chamber 3 and on the grinding path 26 of the grinding bowl 4 has a screw feeder 10.
- the screw feeder 10 is arranged substantially horizontally and integrated into the roller mill 2 in the region of the semolina cone 8.
- the screw feeder 10 is connected outside the roller mill 2 with a supply channel 19, which is arranged almost perpendicularly on the outside of the roller mill 2 or on the separator 7.
- a compensator (not shown) for vibration isolation of the feed system, in particular of the screw feeder 10, may be arranged by the roller mill 2.
- the screw feeder 10 has a worm shaft 12, which is guided by the roller mill 2 and the semolina cone 8 and thereby cuts the longitudinal axis 20 of the roller mill.
- a conveyor trough 11 and a cover 21 of the screw feeder 10 which may also be designed as a tube worm conveyor.
- the ejection opening 17 are located in the conveyor trough 11 are above the cone opening 9 and is coaxial with the longitudinal axis 20 of the roller mill, so that the feed material 5 together with the coarse grain on the cone opening 9 on the central distribution area 24 of the grinding bowl 4 and from here evenly on the grinding path 26 comes to shredding.
- the worm shaft 12 is provided outside the conveyor trough 11 and the cover 21 or outside of the tube worm conveyor with a protective tube 16 which extends to close to a bearing 14 for the worm shaft 12. Seals (not shown) of the worm shaft 12 opposite the fixed mill housing 22 may be provided.
- a drive device 13 outside the roller mill 2 is connected to the opposite end of the bearing 14 of the worm shaft 12 and may be arranged as the bearing 14 on a support structure 18 of the roller mill 2.
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 |
---|---|---|---|
PL12713873T PL2632598T3 (en) | 2011-03-21 | 2012-03-15 | Roller mill |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011014592A DE102011014592A1 (en) | 2011-03-21 | 2011-03-21 | roller mill |
PCT/EP2012/001162 WO2012126590A2 (en) | 2011-03-21 | 2012-03-15 | Roller mill |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2632598A2 true EP2632598A2 (en) | 2013-09-04 |
EP2632598B1 EP2632598B1 (en) | 2014-05-14 |
EP2632598B2 EP2632598B2 (en) | 2018-01-10 |
Family
ID=45953057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12713873.3A Not-in-force EP2632598B2 (en) | 2011-03-21 | 2012-03-15 | Roller mill |
Country Status (15)
Country | Link |
---|---|
US (1) | US8925844B2 (en) |
EP (1) | EP2632598B2 (en) |
JP (1) | JP5756559B2 (en) |
KR (1) | KR20140009240A (en) |
CN (1) | CN103764290A (en) |
AU (1) | AU2012231043A1 (en) |
BR (1) | BR112013016311A2 (en) |
CA (1) | CA2817277A1 (en) |
CO (1) | CO6771443A2 (en) |
DE (1) | DE102011014592A1 (en) |
DK (1) | DK2632598T3 (en) |
ES (1) | ES2474146T3 (en) |
PE (1) | PE20141238A1 (en) |
PL (1) | PL2632598T3 (en) |
WO (1) | WO2012126590A2 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104001586A (en) * | 2014-05-15 | 2014-08-27 | 江苏天鹏机电制造有限公司 | High-efficient vertical mill millstone auxiliary member |
US10016762B2 (en) * | 2015-06-16 | 2018-07-10 | Arvos Raymond Bartlett Snow Llc | Vertical bowl mill for producing coarse ground particles |
JP2017047378A (en) * | 2015-09-02 | 2017-03-09 | ホソカワミクロン株式会社 | Powder treatment apparatus and method for manufacturing toner |
CN106040367A (en) * | 2016-08-03 | 2016-10-26 | 无锡得戟重工有限公司 | Grinding device for cement production |
CN106179615A (en) * | 2016-08-23 | 2016-12-07 | 南京凯盛国际工程有限公司 | A kind of vertical mill feeding device |
EP3292912B1 (en) * | 2016-09-09 | 2019-12-25 | Loesche GmbH | Method for operating a multicyclone for separating fine and micro grain and multicyclone |
DE102016121926B4 (en) | 2016-11-15 | 2019-12-24 | Neuman & Esser Process Technology Gmbh | Mill |
JP6782623B2 (en) * | 2016-12-14 | 2020-11-11 | 花王株式会社 | Toner manufacturing method |
DE102017115856A1 (en) * | 2017-07-14 | 2019-01-17 | Maschinenfabrik Köppern Gmbh & Co. Kg | Roller press and method for determining the filling level |
JP6982467B2 (en) * | 2017-10-27 | 2021-12-17 | ホソカワミクロン株式会社 | Powder processing equipment |
CN107744858A (en) * | 2017-11-16 | 2018-03-02 | 温岭市忠盛金属材料有限公司 | Zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder |
CN112973878A (en) * | 2019-12-02 | 2021-06-18 | 宁海县洪基新型建材科技有限公司 | Vertical slag mill and grinding process thereof |
CN110976005B (en) * | 2019-12-19 | 2020-12-01 | 乐清市路航电气有限公司 | Biomass particle fuel smashing device with material pressing function |
EP3903940A1 (en) * | 2020-04-29 | 2021-11-03 | Mads Jespersen | Cement production apparatus and method for grinding particulate material |
JP2023525685A (en) * | 2020-04-29 | 2023-06-19 | フィデテクノロジー エルディーエイ | Apparatus and method for pulverizing particulate material |
CN113070147A (en) * | 2021-05-06 | 2021-07-06 | 义乌市创继农业科技有限公司 | Pig feed production raw material crushing machine and crushing processing method |
CN113245044A (en) * | 2021-06-17 | 2021-08-13 | 安徽索维机电设备制造有限公司 | Full-automatic vacuum basket type grinder |
CN114405629B (en) * | 2022-01-25 | 2023-06-06 | 张家港东南机械有限公司 | Superfine powder mill |
CN115445739B (en) * | 2022-07-05 | 2024-07-26 | 江西庞泰环保股份有限公司 | Tar residue liquefaction grinding device and tar residue treatment system using same |
CN115555114A (en) * | 2022-10-11 | 2023-01-03 | 安徽玉龙电力科技有限公司 | Feeding mechanism of coal mill |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2100734A (en) * | 1936-02-05 | 1937-11-30 | Comb Eng Co Inc | Mill and classifier |
US2112359A (en) * | 1936-06-29 | 1938-03-29 | Comb Eng Co Inc | Rotary bowl mill |
US3038671A (en) * | 1960-02-02 | 1962-06-12 | Marchfelder Richard | Apparatus for treating fibrous materials |
DE1938772C3 (en) * | 1969-07-30 | 1980-06-12 | Krupp Polysius Ag, 4720 Beckum | Roller mill |
DE3100341A1 (en) | 1981-01-08 | 1982-07-22 | Loesche GmbH, 4000 Düsseldorf | ROLL MILL, ESPECIALLY FOR COAL GRINDING |
DE3134601C2 (en) | 1981-09-01 | 1985-10-31 | Loesche GmbH, 4000 Düsseldorf | Roller bowl mill |
JPS58178346U (en) * | 1982-05-21 | 1983-11-29 | 宇部興産株式会社 | Laura Mill's airtight structure |
US4597537A (en) | 1982-09-14 | 1986-07-01 | Onoda Cement Company, Ltd. | Vertical mill |
JPS59171750U (en) * | 1983-05-02 | 1984-11-16 | 株式会社神戸製鋼所 | Rolla mill sealing device |
US4606506A (en) | 1984-05-04 | 1986-08-19 | Kawasaki Jukogyo Kabushiki Kaisha | Vertical type roller mill |
DE3418197A1 (en) * | 1984-05-16 | 1985-11-21 | Krupp Polysius Ag, 4720 Beckum | GRINDING METHOD AND MILLING PLANT |
DE3718781A1 (en) * | 1987-06-04 | 1988-12-15 | Krupp Polysius Ag | ROLL MILL |
JPH055953Y2 (en) * | 1987-08-04 | 1993-02-16 | ||
CN2056608U (en) * | 1989-05-02 | 1990-05-02 | 付祥正 | Verticle pulverizer |
DE4124416A1 (en) * | 1991-07-23 | 1993-01-28 | Krupp Polysius Ag | DEVICE AND METHOD FOR CRUSHING GROUND DIFFERENT GRAIN |
JP2556414B2 (en) * | 1992-03-31 | 1996-11-20 | 川崎重工業株式会社 | Vertical roller mill |
DE4323587C2 (en) * | 1993-07-14 | 1996-07-18 | Loesche Gmbh | Method and device for crushing material of different grain sizes |
GB9317849D0 (en) * | 1993-08-27 | 1993-10-13 | Bpb Industries Plc | Improvements in calcination |
DE19528338C1 (en) | 1995-08-02 | 1996-10-24 | Evt Energie & Verfahrenstech | Dish shaped mill, with rotating milling dish |
JP3624307B2 (en) * | 1998-12-24 | 2005-03-02 | 太平洋エンジニアリング株式会社 | Crushing classification method and apparatus |
JP2000312832A (en) * | 1999-04-30 | 2000-11-14 | Ishikawajima Harima Heavy Ind Co Ltd | Vertical mill |
DE19961837A1 (en) * | 1999-12-21 | 2001-06-28 | Loesche Gmbh | Sifter mill, and especially rolling sifter mill, has guide vanes with flow-optimized form, and has vaned rotor in dynamic sieve section cylindrically constructed and has cylindrical rotor section with perpendicularly disposed vanes |
US6820829B1 (en) * | 2000-02-25 | 2004-11-23 | Exportech Company, Inc. | Method and apparatus for separating material |
DE10224009B4 (en) | 2002-05-29 | 2004-07-22 | Loesche Gmbh | Process for comminuting material, in particular ores, and roller mill for carrying out the process |
US7226010B2 (en) * | 2004-02-27 | 2007-06-05 | Abb Inc. | Method and apparatus for solid fuel pulverizing operation and maintenance optimization |
CN2698446Y (en) * | 2004-03-18 | 2005-05-11 | 鲁扬 | Flour mill |
JP2010125356A (en) * | 2008-11-25 | 2010-06-10 | Ihi Corp | Vertical mill |
JP5531411B2 (en) * | 2009-01-09 | 2014-06-25 | 宇部興産機械株式会社 | Vertical crusher |
-
2011
- 2011-03-21 DE DE102011014592A patent/DE102011014592A1/en not_active Withdrawn
-
2012
- 2012-03-15 CN CN201280004476.1A patent/CN103764290A/en active Pending
- 2012-03-15 AU AU2012231043A patent/AU2012231043A1/en not_active Abandoned
- 2012-03-15 PE PE2013002073A patent/PE20141238A1/en not_active Application Discontinuation
- 2012-03-15 CA CA2817277A patent/CA2817277A1/en not_active Abandoned
- 2012-03-15 EP EP12713873.3A patent/EP2632598B2/en not_active Not-in-force
- 2012-03-15 US US13/981,716 patent/US8925844B2/en not_active Expired - Fee Related
- 2012-03-15 JP JP2014500274A patent/JP5756559B2/en not_active Expired - Fee Related
- 2012-03-15 PL PL12713873T patent/PL2632598T3/en unknown
- 2012-03-15 DK DK12713873.3T patent/DK2632598T3/en active
- 2012-03-15 WO PCT/EP2012/001162 patent/WO2012126590A2/en active Application Filing
- 2012-03-15 ES ES12713873.3T patent/ES2474146T3/en active Active
- 2012-03-15 BR BR112013016311-9A patent/BR112013016311A2/en not_active IP Right Cessation
- 2012-03-15 KR KR1020137014724A patent/KR20140009240A/en not_active Application Discontinuation
-
2013
- 2013-09-19 CO CO13222901A patent/CO6771443A2/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2012126590A2 * |
Also Published As
Publication number | Publication date |
---|---|
PL2632598T3 (en) | 2014-08-29 |
EP2632598B2 (en) | 2018-01-10 |
JP5756559B2 (en) | 2015-07-29 |
US8925844B2 (en) | 2015-01-06 |
BR112013016311A2 (en) | 2018-07-10 |
CN103764290A (en) | 2014-04-30 |
CO6771443A2 (en) | 2013-10-15 |
KR20140009240A (en) | 2014-01-22 |
WO2012126590A3 (en) | 2012-12-06 |
PE20141238A1 (en) | 2014-10-15 |
AU2012231043A1 (en) | 2013-06-13 |
WO2012126590A2 (en) | 2012-09-27 |
US20130313348A1 (en) | 2013-11-28 |
JP2014508642A (en) | 2014-04-10 |
ES2474146T3 (en) | 2014-07-08 |
EP2632598B1 (en) | 2014-05-14 |
DE102011014592A1 (en) | 2012-09-27 |
CA2817277A1 (en) | 2012-09-27 |
DK2632598T3 (en) | 2014-07-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2632598B2 (en) | Roller mill | |
EP2637790B1 (en) | Process of grinding and grinding mill | |
DE102007005250B3 (en) | Dry grinding method for continuous dry grinding in an abrasive tower grinder uses a closed vertical grinding container fitted with a worm feeder driven so as to rotate and feed grinding substances upwards | |
EP1919624B1 (en) | Drying mill and method of drying ground material | |
EP0325770B1 (en) | Grinding method and arrangement | |
EP1948360B1 (en) | Roller mill | |
DE102008025373B3 (en) | Device for comminution | |
DE4323587C2 (en) | Method and device for crushing material of different grain sizes | |
DE10141414A1 (en) | Roller mill, in particular airflow roller mill, and method for grinding materials with magnetizable, in particular iron-containing components, for example slags | |
EP3209423B1 (en) | Grinding plant for comminution of material and method of comminution of material | |
DE8425837U1 (en) | Roller mill | |
EP3274112B1 (en) | Molding sand cooler | |
DE4316350C1 (en) | Feed apparatus for gas-flow comminuting machines | |
EP0292739B1 (en) | Method and arrangement for breaking up grindable material | |
EP3541523B1 (en) | Mill | |
DE3222890A1 (en) | POWDER MILL DEVICE | |
DE102009015037B4 (en) | roller mill | |
EP3849714B1 (en) | Sifting wheel with flat sail elements and method of sifting with such a sifting wheel | |
DE102016003589B3 (en) | Crushing machine and method for crushing material | |
DD225634A1 (en) | TASKING DEVICE FOR ROLLING MILLS | |
DD139396A1 (en) | SEPARATION DEVICE FOR MILLS | |
DD159296A1 (en) | VISUAL TO DRY AND CLASS SCHUETTGUT |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20130205 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20131125 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
DAX | Request for extension of the european patent (deleted) | ||
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 667835 Country of ref document: AT Kind code of ref document: T Effective date: 20140615 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: T3 Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502012000753 Country of ref document: DE Effective date: 20140626 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2474146 Country of ref document: ES Kind code of ref document: T3 Effective date: 20140708 |
|
REG | Reference to a national code |
Ref country code: DK Ref legal event code: T3 Effective date: 20140717 |
|
REG | Reference to a national code |
Ref country code: PL Ref legal event code: T3 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140815 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140814 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140914 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140915 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R026 Ref document number: 502012000753 Country of ref document: DE |
|
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
26 | Opposition filed |
Opponent name: GEBR. PFEIFFER SE Effective date: 20150207 Opponent name: MITSUBISHI HITACHI POWER SYSTEMS EUROPE GMBH Effective date: 20150212 |
|
PLAX | Notice of opposition and request to file observation + time limit sent |
Free format text: ORIGINAL CODE: EPIDOSNOBS2 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R026 Ref document number: 502012000753 Country of ref document: DE Effective date: 20150207 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20150331 Year of fee payment: 4 Ref country code: NL Payment date: 20150226 Year of fee payment: 4 Ref country code: DK Payment date: 20150213 Year of fee payment: 4 Ref country code: ES Payment date: 20150302 Year of fee payment: 4 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: PL Payment date: 20150302 Year of fee payment: 4 Ref country code: TR Payment date: 20150219 Year of fee payment: 4 |
|
PLAF | Information modified related to communication of a notice of opposition and request to file observations + time limit |
Free format text: ORIGINAL CODE: EPIDOSCOBS2 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 |
|
PLBB | Reply of patent proprietor to notice(s) of opposition received |
Free format text: ORIGINAL CODE: EPIDOSNOBS3 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20150315 Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20151130 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150315 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150331 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150331 |
|
REG | Reference to a national code |
Ref country code: DK Ref legal event code: EBP Effective date: 20160331 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MM Effective date: 20160401 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20160315 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160401 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160315 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160315 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20170427 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20120315 Ref country code: DK Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160331 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160315 Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160316 |
|
PUAH | Patent maintained in amended form |
Free format text: ORIGINAL CODE: 0009272 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT MAINTAINED AS AMENDED |
|
27A | Patent maintained in amended form |
Effective date: 20180110 |
|
AK | Designated contracting states |
Kind code of ref document: B2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R102 Ref document number: 502012000753 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R082 Ref document number: 502012000753 Country of ref document: DE Representative=s name: WUNDERLICH & HEIM PATENTANWAELTE PARTNERSCHAFT, DE |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 667835 Country of ref document: AT Kind code of ref document: T Effective date: 20170315 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170315 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20140514 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20220329 Year of fee payment: 11 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160315 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 502012000753 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20231003 |