EP3060345A1 - Device and method for starting an agitator ball mill - Google Patents
Device and method for starting an agitator ball millInfo
- Publication number
- EP3060345A1 EP3060345A1 EP14808809.9A EP14808809A EP3060345A1 EP 3060345 A1 EP3060345 A1 EP 3060345A1 EP 14808809 A EP14808809 A EP 14808809A EP 3060345 A1 EP3060345 A1 EP 3060345A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ball mill
- grinding
- agitator
- bolt
- starting
- 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
- 238000000034 method Methods 0.000 title claims description 12
- 238000003756 stirring Methods 0.000 claims description 19
- 230000001419 dependent effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005494 tarnishing Methods 0.000 description 1
- 238000011144 upstream manufacturing 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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/163—Stirring means
Definitions
- the present invention relates to an apparatus and a method for starting stirred ball mills.
- An apparatus for starting an agitator ball mill is described, wherein the agitator ball mill has a vertical grinding container.
- a vertically extending stirring shaft is arranged, on which at least one refining element is arranged.
- the grinding container is largely filled with Mahltos stressesn.
- German Offenlegungsschrift DE 10 2010 010 527 A1 describes an agitator ball mill having a grinding container and an agitating shaft extending axially therewith, which is connected to the wall of the grinding container via the rotary feedthrough at at least one end, characterized in that adjacent to the rotary feedthrough in the grinding container a rotary union covering protective screen is arranged.
- the agitator mill described in DE 38 38 981 A1 has a grinding container with a cylindrical grinding chamber delimited by a grinding chamber wall. In the latter, at least one agitator provided with protruding stirrers is arranged. The agitator and the grinding container are rotatably drivable about their respective mutually parallel axis.
- the grinding chamber is partially filled with auxiliary grinding bodies and has a Mahlgutzu operation and Mahlgutab entry with a Mahlgut- Mahl stresses-separation device.
- the stirrer axis has an eccentricity to the central longitudinal axis of the grinding chamber. Furthermore, in the field of
- Mahlraumwand at least one of this in the grinding chamber directed towards, over a substantial part of the length of the grinding chamber extending, stationary deflector provided with a center longitudinal axis to open deflection.
- the invention of DE 10 2006 012 489 A1 relates to a device and a method for comminuting natural or artificial mineral products in one
- replacement blade Size 10 mm to 30 mm, which comminuted from the upstream process incurred, for example, in a good-bed roller mill, these solids in a work process continuously dry further shredded, then wetted with liquid and finely ground in this to a pumpable suspension, which subsequently be milled to the desired final fineness by means of stirred ball mills.
- the invention has for its object to provide an apparatus for economical and reliable start a stationary agitator ball mill.
- the above object is achieved by a device having the features of
- Claim 1 comprises. Further advantageous features can be found in the dependent claims.
- Another object of the present invention is to provide a method for economically and reliably starting a stationary stirred ball mill.
- the above object is achieved by a method comprising the features of claim 7. Further advantageous features can be found in the dependent claims.
- the agitator ball mill has a vertical grinding container.
- a vertically extending stirring shaft is arranged, on which at least one refining element is arranged.
- the grinding container is mostly with Mahlos 1968 filled.
- the stirrer shaft can be raised by the device according to the invention for starting when the agitator ball mill is started.
- the drive of the agitator ball mill remains in its position.
- the stirring shaft is mounted for this purpose in a socket and can be raised by the rotational movement of this socket.
- the bush is connected to the drive of the agitator ball mill and is moved by this corresponding rotational.
- the bush is provided with at least one recess in which at least one bolt, which is connected to the agitator shaft, is movably guided.
- the recess located in the socket has a slope. The larger the pitch of the recess, the greater is the axial distance that the bolt must travel during the rotary motion. However, as the pitch increases, the axial force to lift the agitator shaft decreases. With a flat slope, the situation is exactly the opposite. The distance by which the agitator shaft is raised is lower, and the axial force for lifting the agitator shaft at which the grinding elements are located increases accordingly.
- the recess has both a slope and a slope.
- the associated agitator shaft is briefly raised and shortly thereafter lowered in the region of the gradient again.
- the agitator ball mill In order to move the bolt back to its starting position, the agitator ball mill must be operated / moved backwards in this embodiment.
- the stirring shaft with the grinding elements In normal operation, the stirring shaft with the grinding elements is always in the lower position (starting position). The stirrer shaft is lifted during startup and then lowered again, which corresponds to the normal operating condition. On a subsequent start of the mill, it must be switched on in the opposite direction of rotation. The direction of rotation of the stirring shaft is thus dependent on the position of the bolt in the recess of the socket.
- the direction of rotation must be selected so that the bolt is guided into the other end position during the start.
- the stirrer shaft and the grinding elements can be stopped by stopping the agitating ball mill alone, by the weight force of the stirring shaft, the grinding elements lying on the grinding elements Mahlosêtn turned back to a starting position and thus lowered to the starting position.
- the mill is switched shortly after switching off in the opposite direction of rotation to actively support the lowering of the stirring shaft with the grinding elements.
- a retaining device may be present, which decelerates the stop of the bolt at an end position.
- the retaining device may be a spring, a damper or a similar component.
- a method for starting a stirred ball mill in which the stirring shaft is lifted with the grinding elements by a rotary motion.
- the rotational movement is realized by a socket, wherein a bolt is raised by the rotational movement of the bush, which is arranged in a recess and fixedly connected to the agitator shaft.
- the bolt and with it the stirrer shaft is raised by the path corresponding to a pitch of the recess of the bushing.
- FIG. 1 shows an agitator ball mill with a device according to the invention.
- FIG. 2 shows an agitator ball mill with raised stirring shaft.
- FIGS. 3 to 7 show devices according to the invention in various embodiments.
- FIG. 1 shows an agitator ball mill 10, which is equipped with a device 30 according to the invention.
- the agitator ball mill 10 consists of a grinding container 12, in which a stirring shaft 14 with a plurality of grinding elements 16 is arranged. At the upper end of the agitator shaft 14 there is the drive 20 for the agitator shaft 14. In the lower region, the auxiliary grinding bodies 18 are arranged around the agitator shaft 14 and on the grinding elements 16. In the starting position shown in FIG. 1, the last grinding element 17 is removed from the grinding container bottom 13 at a distance A.
- FIG. 2 shows an agitator ball mill 10, in which the agitator shaft 14 and the grinding elements 16 have been lifted by the device 30.
- the distance B between the grinding container bottom 13 and the last grinding element 17 is significantly increased by the distance A, which is shown in FIG.
- the position of the drive 20 has remained the same when lifting the agitator shaft 14 and the grinding elements 16.
- FIG. 3 shows a device 30 according to the invention in which the stirring shaft 14 is introduced.
- the device 30 consists of a bushing 32, which is provided with a recess 34.
- a bolt 36 which is fixedly connected to the stirring shaft 14.
- FIG. 4 shows a device 30 according to the invention after the bushing 32 has been rotated in the direction of rotation D.
- the agitator shaft 14 has been moved upwards in the lifting direction H.
- This lifting movement was caused by the fact that the bolt 36, which is firmly connected to the agitator shaft 14, has overcome the pitch of the recess 34. This happens because the bolt 36 is moved from the Ausgansposition 38 in the end position 40.
- FIG. 5 shows a device 30 according to the invention in a side view. In this view, the slope of the recess 34 in the socket 32 can be clearly seen. On the left side of the device 30, the bolt 36 is in the starting position 38.
- FIG. 6 shows a plan view of the device 30 according to the invention. In the middle of the device 30, the agitator shaft 14 with the bolt 36 can be seen. The bolt 36 is guided in the recess 34, which is located in the socket 32.
- FIG. 7 shows a further embodiment of the device 30.
- the device 30 consists of a bush 32 into which the agitator shaft 14 is inserted.
- the stirring shaft 14 is provided with a bolt 36 which is guided in the recess 34 of the bushing 32.
- the bolt 36 is located at the home position 38.
- the bolt 36 For lifting and subsequently lowering the agitator shaft 14, the bolt 36 must be moved from the home position 38 to the end position 40.
- the pitch of the recess along the slope line 44 increases from the starting point 38 towards the center line 42. From the center line 42 to the end point 40, the slope of the recess 34 decreases along the slope line 44.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013111564.0A DE102013111564B3 (en) | 2013-10-21 | 2013-10-21 | DEVICE AND METHOD FOR STARTING AN ORIENTED BALL MILL |
PCT/DE2014/000491 WO2015058736A1 (en) | 2013-10-21 | 2014-10-01 | Device and method for starting an agitator ball mill |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3060345A1 true EP3060345A1 (en) | 2016-08-31 |
EP3060345B1 EP3060345B1 (en) | 2017-05-31 |
Family
ID=52013794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14808809.9A Active EP3060345B1 (en) | 2013-10-21 | 2014-10-01 | Apparatus and method for starting a stirring ball mill |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3060345B1 (en) |
CN (1) | CN105555409B (en) |
DE (1) | DE102013111564B3 (en) |
WO (1) | WO2015058736A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106179652A (en) * | 2015-05-04 | 2016-12-07 | 颜声林 | A kind of high efficient shock-proof ball mill |
DE102019211059A1 (en) | 2019-07-25 | 2021-01-28 | Thyssenkrupp Ag | Grinding device and method for operating a grinding device |
CN113575921B (en) * | 2021-08-11 | 2024-03-01 | 山东华畅食品股份有限公司 | Lobster-flavored chafing dish dipping sauce and making method thereof |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH380455A (en) * | 1959-12-22 | 1964-07-31 | Krieger Oskar | Slip clutch |
JPS5144044Y2 (en) * | 1972-06-29 | 1976-10-26 | ||
DE3022809A1 (en) * | 1980-06-19 | 1982-01-07 | Fryma-Maschinen AG, 4310 Rheinfelden | Continuous fine grinding ball mill - has gap between displacement body rotor and grinding space set by variable converter gear |
DE3838981A1 (en) * | 1988-11-18 | 1990-05-23 | Eirich Walter | AGITATOR BALL MILL |
DE102004040384A1 (en) * | 2004-08-20 | 2006-03-09 | Heubach Gmbh | Rutile-based pigment and a process for its preparation |
DE102006012489A1 (en) * | 2006-03-16 | 2007-09-20 | Netzsch-Feinmahltechnik Gmbh | Process and apparatus for mineral processing |
CN201644167U (en) * | 2010-01-20 | 2010-11-24 | 金鹤鸣 | Lifting type stirring and sand milling pot |
DE102011010527A1 (en) * | 2011-02-07 | 2012-08-09 | Lipp Mischtechnik Gmbh | stirred ball mill |
CN102728440B (en) * | 2012-07-11 | 2014-04-16 | 北京萃宝重工科技有限公司 | Efficient upright ball mill |
-
2013
- 2013-10-21 DE DE102013111564.0A patent/DE102013111564B3/en not_active Expired - Fee Related
-
2014
- 2014-10-01 EP EP14808809.9A patent/EP3060345B1/en active Active
- 2014-10-01 WO PCT/DE2014/000491 patent/WO2015058736A1/en active Application Filing
- 2014-10-01 CN CN201480051637.1A patent/CN105555409B/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2015058736A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3060345B1 (en) | 2017-05-31 |
DE102013111564B3 (en) | 2015-02-12 |
WO2015058736A1 (en) | 2015-04-30 |
CN105555409A (en) | 2016-05-04 |
CN105555409B (en) | 2017-06-16 |
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