EP3209435A1 - Classifying device for classifying a granular material flow - Google Patents
Classifying device for classifying a granular material flowInfo
- Publication number
- EP3209435A1 EP3209435A1 EP15780822.1A EP15780822A EP3209435A1 EP 3209435 A1 EP3209435 A1 EP 3209435A1 EP 15780822 A EP15780822 A EP 15780822A EP 3209435 A1 EP3209435 A1 EP 3209435A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- disc
- inlet
- static
- sifter
- flow
- 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
- 239000008187 granular material Substances 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 108
- 230000003068 static effect Effects 0.000 claims abstract description 63
- 238000000227 grinding Methods 0.000 claims description 18
- 239000004568 cement Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000013072 incoming material Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
-
- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
- B07B9/02—Combinations of similar or different apparatus for separating solids from solids using gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/086—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by the winding course of the gas stream
Definitions
- the invention relates to a sighting device for sifting a granular
- Material crusher such as a roller mill, connected downstream, wherein the emerging from the classifier coarse material of
- classifiers are, for example, static classifiers, in which a rough material view on baffles and guiding devices takes place, and dynamic classifiers, in a fine
- a viewing device which has a static classifier and a dynamic classifier, wherein the static classifier forms the first class of view and the dynamic classifier forms the second class of class.
- the static classifier forms the first class of view
- the dynamic classifier forms the second class of class.
- Crushing devices is usually downstream of a viewing device.
- a sighting device for sifting a granular material stream comprises a first inlet for introducing a first stream of material into the sighting device and a second inlet for introducing a second stream of material into the sighting device. Furthermore, the first inlet for introducing a first stream of material into the sighting device and a second inlet for introducing a second stream of material into the sighting device. Furthermore, the first inlet for introducing a first stream of material into the sighting device and a second inlet for introducing a second stream of material into the sighting device. Furthermore, the first inlet for introducing a first stream of material into the sighting device and a second inlet for introducing a second stream of material into the sighting device. Furthermore, the first inlet for introducing a first stream of material into the sighting device and a second inlet for introducing a second stream of material into the sighting device. Furthermore, the first inlet for introducing a first stream of material into the sighting device and a second inlet for introducing a second stream
- the viewing device further has a
- Distributor which is designed such that it supplies the material flow of the first inlet to the static separator and supplies the material flow of the second inlet to the dynamic classifier.
- Such a distributor device has the advantage that at least two material streams of different grain sizes can be supplied to the sighting device, wherein the material stream entering through the first inlet flows through the static sifter and the dynamic sifter and the material flow entering the sifting device through the second inlet exclusively into the dynamic sifter flows through.
- the viewing device preferably has one or a plurality of first and second inlets over which the material to be viewed enters the viewing device.
- the flow of material entering through the first inlet is one relative to that through the second inlet
- coarse-grained material may for example consist of a roll mill or a
- Viewing device entering material stream may be, for example, a crushed by a ball mill material.
- the sighting device described on the one hand allows a waiver of an additional viewing device for each of the material streams and allows for
- the granular material stream may in particular be cement raw material, cement, cementitious substances, limestone, slag or ores.
- a static sifter includes a plurality of flow means, such as vanes, for deagglomerating the static sifter flowing through
- the static sifter is designed such that it forms a cylindrical annular zone of vision between the flow devices and the dynamic sifter is arranged inside the static sifter.
- the static sifter is supplied via a classifying air duct, for example by means of a blower, classifying air which flows over the plurality of vanes of the flow device against the static classifier
- the coarser grain fraction of the material stream entering the sifter through the first inlet leaves the static sifter through a first outlet, with the finer grain fraction of material flow through the sifting air being directed to the dynamic sifter.
- a dynamic classifier comprises a moving viewing zone, for example a rotatable rod basket, into which a material stream with a small particle size, in particular up to about 10 mm, enters.
- the dynamic sifter is arranged coaxially with the static sifter and is rotationally symmetrical to the drive axis of the moving viewing zone.
- the material stream of medium grain size is rejected by the dynamic sifter and exits a second outlet from the sifter.
- the stream of material passing through the dynamic sifter has a grain size of up to about 300 ⁇ and exits a third outlet from the sighting device.
- the stream of material entering the sifter through the second inlet is supplied to the dynamic sifter via the manifold, the material rejected by the dynamic sifter exiting the sifter through the second outlet and into the moving sifting zone of the dynamic sifter
- the sighting device allows a division of two
- the coarse grain fraction viewed in the static sifter may be a first
- Crushing device such as a roller mill
- the average, in the dynamic classifier sighted grain fraction of a second crushing device such as a ball mill
- a particularly compact design of a first crushing device such as a roller mill
- Viewing device achieved with a static and a dynamic classifier.
- the grain sizes of the coarse material flow entering the viewing device through the first inlet are up to about 100 mm.
- the grain sizes of the fine material stream entering the viewer through the second inlet are up to about 10 mm.
- the distributor device has at least one rotatable disk.
- the at least one rotatable disc is for example connected to a drive shaft and is driven for rotation.
- Drive shaft may be, for example, the drive axis of the movable viewing zone of the dynamic classifier.
- Viewing device entering material flow on a rotating disc ensures a deagglomeration of the granular material. Furthermore, the material is moved radially outwardly by the rotation of the disc and thus distributed evenly over the viewing zone of the static classifier and / or the dynamic classifier.
- the at least one rotatable disc is for example for supplying the
- the distributor device has at least one region which is connected to the housing of the viewing device.
- the portion of the manifold connected to the housing is preferably non-rotatable and arranged to supply the flow of material from the first inlet to the static sifter or to supply the flow of material from the second inlet to the dynamic sifter.
- the distributor device has a first rotatable disc for feeding the material flow of the first inlet to the static separator and a second rotatable disc for feeding the second separator
- the at least one rotatable disc is connected to a drive shaft.
- the first disc and the second disc are arranged, for example, rotationally symmetrical about the drive shaft, wherein the drive shaft is, for example, the drive shaft of the movable viewing zone of the dynamic classifier.
- the use of such a drive shaft for driving at least one rotatable disc of the distributor device allows a particularly space-saving, compact design of the viewing device.
- at least one of the first disc and the second disc is an annular disc.
- the other of the first and the second disc is formed for example as a circular disk.
- annular formation of one of the discs allows a parallel arrangement of the discs, wherein, for example, the first disc for supplying the
- Material flow is arranged to the static separator above the second disc, so that the incoming material through the first inlet material flow through the second, upper disc passes through the first disc.
- This allows a particularly compact design of the distribution device. Furthermore, this makes it possible to save space especially the inlets, for example, concentric form and at the same time to achieve a reliable distribution of material flows on the static and the dynamic classifier.
- the first disc and the second disc are connected to each other via connecting means according to another embodiment.
- a connection of the first and the second disc realizes a simple drive of both discs over a
- At least one of the first disc and the second disc of the distributor device has a plurality of guide elements on the surface of the disc.
- Such vanes provide deagglomeration of the material as it strikes the surface of the discs and further provide reliable guidance of the material towards the static and dynamic classifiers.
- on the surface of at least one of the first or second disc preferably means for disagglomeration of
- the guide elements comprise the
- the guide elements are plate-shaped according to another embodiment and arranged, for example, orthogonal to the discs. This allows a simple connection of the first and the second disc with simultaneous use of the connecting means as guide elements for guiding the material flow.
- a grinding plant for the comminution of regrind comprises at least one
- the at least one grinding device comprises, for example, a roller mill or a ball mill, wherein the first outlet and the second outlet of the
- Viewing device with an inlet of the grinding device is in communication.
- the outlet of the grinding device is preferably connected to the second inlet of
- the grinding plant comprises a roller mill and a ball mill, wherein the roller mill is in communication with the first inlet of the viewing device and the second outlet of the viewing device is in communication with the ball mill.
- Fresh material placed in the grinding plant is fed into the first inlet of the sighting device. That from the first outlet of the sighting device emerging coarse millbase is fed to the roll mill, wherein the emerging from the second outlet of the viewing device semolina medium grain size of the ball mill is fed.
- the fine finished product emerging from the third outlet of the sighting device is led out of the grinding system, for example, via a separator in which the air / millbase mixture is separated into millbase and air.
- the described type has a small number of components, such as lines between a plurality of viewing devices and a plurality of grinders.
- Milling devices is realized with a sighting device which divides the ground material flow into three different grain sizes and thus enables a supply of ground material with optimum grain size to a corresponding grinding device.
- a sighting device which divides the ground material flow into three different grain sizes and thus enables a supply of ground material with optimum grain size to a corresponding grinding device.
- an efficient and inexpensive grinding process is achieved.
- the maintenance intensity of the grinding plant is reduced.
- FIG. 1 shows a schematic sectional illustration of a viewing device with a distributor device according to an exemplary embodiment.
- Fig. 2 shows a schematic representation of a plan view of a
- Distribution device according to a further embodiment.
- FIG. 3 shows a schematic sectional view of a distributor device according to a further exemplary embodiment.
- Fig. 1 shows a viewing device 10 with a static classifier 20 and a dynamic classifier 22.
- the static classifier 20 is arranged in the embodiment of FIG. 1 around the dynamic classifier 22 around and has a
- the static separator comprises an outer cylindrical wall 29 and to radially inwardly arranged a first, external static flow device 25 and a second, internal static
- the first and second flow devices 25, 26 each have parallel vanes, the vanes of the first
- Flow device 25, 26 is a cylindrical static viewing zone 27 is formed.
- the dynamic sifter 22 comprises a rod basket 23 with rods extending in the axial direction.
- the rod basket 23 is driven in rotation via a drive shaft 28 attached to the upper end of the bar basket.
- the dynamic sifter 22 is in the
- the dynamic viewing zone 31 is formed. Further, in the dynamic viewing zone 31 in FIG. 1, not shown vertical, rod-shaped guide elements may be arranged, which are connected to the
- a distributor device 42 is arranged, which has a first disc 38 and a parallel second disc 40.
- the second disc 40 has the same diameter as the rod basket 23 is fixedly connected thereto and forms a lid of the cylindrical rod basket 23. Die
- First disc 38 is disposed parallel to second disc 40 above it and is annular, with a recess in the middle. Between the first disc 38 and the second disc 40, a passage is formed. The first disc 38 and the second disc 40 are connected together in a manner not shown in Fig. 1, so that a rotation of the second with the rod basket
- a first inlet 14 and a second inlet 12 for introducing a stream of material are arranged in the viewing device.
- the inlets 12, 14 have in the embodiment of FIG. 1 concentric, apertures disposed about the drive shaft 28, the inlets shown in tubular form, wherein the inlet opening of the first inlet 14 is disposed above the inlet opening of the second inlet 12.
- the drive shaft 28 of the dynamic classifier 22 extends centrally, in the axial direction through the second inlet 14.
- a classifying air channel 36 is arranged around the static classifier 20.
- the classifying air channel 36 is shown schematically laterally on the left side of the static classifier 20 in the embodiment shown in FIG.
- the classifying air channel 36 is in fluid communication with the static classifier so that classifying air may flow from the outer wall 10 29 of the static classifier 20 through the outer static volume 25 into the classifying classifier 27 of the static classifier 20.
- the flow direction of the classifying air is shown in FIG. 1 by the direction of the arrow in the classifying air channel 36.
- Fig. 1 further shows three outlets 30, 32, 34 for discharging the sighted
- the first outlet 30 includes a
- the second outlet 32 includes a channel disposed below the dynamic viewing zone 31 such that the material rejected by the dynamic sifter falls into the channel and exits the viewing device 10 through the outlet 32.
- the third outlet 34 has a channel which is arranged below the bar basket 23 and through which the material passing through the static and dynamic sighting stages 27, 31 exits the sighting device 10 together with the classifying air inside the bar basket 23.
- Material flow on the disc 38 and the rotation of the disc 38 additionally provide 30 for a deagglomeration of the material.
- classifying air enters the static classifier 20 and flows through the outer flow rate device 25 against the latter Static zone of view 27 flowing through the material flow.
- the flow of material is deflected radially inwardly toward the internal flow device 26 by the incoming classifying air.
- the coarse material flows through the static sifting stage 27 and falls down to the first outlet 30.
- the finer material is blown from the sifting air through the internal flow device 26 into the dynamic sifting zone 31.
- the coarse material falls down to the second outlet 32 and the finer material passes through the bars of the bar basket 23 into the interior of the bar basket.
- the finer material inside the rod basket 23 falls down to the third outlet 34.
- the viewing device 10 has three outlets 30, 32, 34 for three different ones
- Stream of material passes through the viewing device in the direction of arrow 18 and first flows onto the second disc 40, which is driven by the drive axis for rotation. The material is moved radially outwards by the rotation of the disk 40 and enters the dynamic viewing zone adjoining the second disk 40
- the coarser material falls through the dynamic viewing zone down to the second outlet 32. It is conceivable that through the outlet 30th
- the finer material enters the rod basket 23 and is discharged downwardly along with the classifying air towards the third outlet 34. It is also conceivable to allow the material passed through the rod basket 23 to exit the sighting device 10 above the dynamic classifier 22, wherein the outlet 34, 30 is arranged above the rod basket in a manner not shown in FIG.
- the material entering the sifter through the second inlet 12 is sifted into two grain sizes, with the finer material passing through the third outlet 34 and the coarser material is discharged from the viewer through the second outlet 32.
- the sighting device 10 allows a task of two streams of material
- the first stream of material is supplied to both the static classifier 20 and the dynamic classifier 22 and the second material flow is supplied exclusively to the dynamic classifier 22.
- This allows inlet of a coarse stream of material from, for example, a roll mill through the first inlet 14 and inlet of a finer stream of material, such as a ball mill, through the second inlet 12 into the viewer 10.
- the described sight device 10 allows a significant space savings, since a viewing device is used for two streams of material and can be dispensed with an additional classifier.
- Fig. 2 shows a plan view of a distributor device 52 according to a
- Embodiment. The construction of the distributor device 52 corresponds to the removal of the distributor device 42 described with reference to FIG.
- Distributor 52 includes two discs, a first disc 48 and a second disc 50, which are arranged parallel to each other, wherein the first disc 48 is disposed above the second disc 50.
- Distributor device 42 from FIG. 1 comprises the distributor device 52 in the FIG.
- Embodiment of FIG. 2 guide elements 44 on the first disc 48 and on the second disc 50.
- the guide elements comprise elongated struts which are mounted on the upper side of the discs 48, 50 and extend radially in the radial direction.
- each disk 48, 50 comprises eight such guide elements 44.
- the guide elements 44 mounted on the disks 48, 50 ensure, in the operation of the viewing device 10, that the material flow is conducted radially outwards.
- the vanes 44 provide an impact surface for the flow of material and provide for deagglomeration of the material stream as it enters the static sifter 20 and / or the dynamic sifter 22.
- FIG. 3 shows a sectional illustration of the distributor device 54 according to a further exemplary embodiment, wherein the structure of the distributor device 54 substantially
- the structure of the distribution device 52 described with reference to FIG. 2 corresponds with the difference that the guide elements 60 are plate-shaped and extend from the first disc 56 to the second disc 58 and through it.
- the Leitelemete 60 of FIG. 3 thus provide in addition to the advantages of the guide elements 44 described with reference to FIG. 2 for a simple connection of the first disc 56 with the second disc 58th
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014015550.1A DE102014015550A1 (en) | 2014-10-22 | 2014-10-22 | Sight device for sifting a granular material flow |
PCT/EP2015/073565 WO2016062571A1 (en) | 2014-10-22 | 2015-10-12 | Classifying device for classifying a granular material flow |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3209435A1 true EP3209435A1 (en) | 2017-08-30 |
EP3209435B1 EP3209435B1 (en) | 2021-08-25 |
Family
ID=54324956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15780822.1A Active EP3209435B1 (en) | 2014-10-22 | 2015-10-12 | Classifying device for classifying a granular material flow |
Country Status (6)
Country | Link |
---|---|
US (1) | US10632503B2 (en) |
EP (1) | EP3209435B1 (en) |
CN (1) | CN107107119B (en) |
DE (1) | DE102014015550A1 (en) |
DK (1) | DK3209435T3 (en) |
WO (1) | WO2016062571A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109499881B (en) * | 2016-08-09 | 2020-03-24 | 马鞍山市博望区久保机械配件加工厂 | Winnowing part |
CN108956216B (en) * | 2018-08-29 | 2020-11-17 | 嘉兴嘉卫检测科技有限公司 | Air particulate matter grading sampling device for environmental monitoring |
DE102019123034B3 (en) * | 2019-08-28 | 2020-12-03 | Khd Humboldt Wedag Gmbh | Cyclone with rotating rod basket |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1607536C3 (en) | 1968-02-24 | 1974-01-17 | Loesche Hartzerkleinerungs- Und Zementmaschinen Kg, 4000 Duesseldorf | Airflow separator |
DE102004027128A1 (en) | 2004-06-03 | 2005-12-22 | Polysius Ag | Sieve assembly, to sort granular materials into at least three fractions for a mill, has a concentric array of a static and a dynamic sieve around a common axis in a common housing |
DE102006039775A1 (en) * | 2006-08-24 | 2008-02-28 | Khd Humboldt Wedag Gmbh | Sighting device for sifting granular material and Kreislaufmahlanlage with involvement of such a viewing device |
US7854406B2 (en) | 2008-01-10 | 2010-12-21 | Koppern Equipment, Inc. | Air separator for comminuted materials |
CN102319673B (en) | 2011-02-22 | 2014-01-01 | 夏纪勇 | Cylindrical powder concentrator |
DE102011055762B4 (en) * | 2011-11-28 | 2014-08-28 | Maschinenfabrik Köppern GmbH & Co KG | Device for sifting granular material and grinding plant |
WO2013131135A1 (en) * | 2012-03-07 | 2013-09-12 | Hansom Environmental Products Pty Ltd | Method and apparatus for separating particulate matter |
CN102615046A (en) | 2012-04-10 | 2012-08-01 | 江苏安必信环保设备有限公司 | Novel powder selecting machine capable of uniformly scattering material |
DE102013101517A1 (en) * | 2013-02-15 | 2014-08-21 | Thyssenkrupp Resource Technologies Gmbh | Classifier and method for operating a classifier |
CN203556562U (en) | 2013-11-01 | 2014-04-23 | 南京托普粉磨工程技术有限公司 | Ternary classification powder selecting machine |
-
2014
- 2014-10-22 DE DE102014015550.1A patent/DE102014015550A1/en not_active Ceased
-
2015
- 2015-10-12 CN CN201580057881.3A patent/CN107107119B/en active Active
- 2015-10-12 DK DK15780822.1T patent/DK3209435T3/en active
- 2015-10-12 US US15/521,377 patent/US10632503B2/en active Active
- 2015-10-12 EP EP15780822.1A patent/EP3209435B1/en active Active
- 2015-10-12 WO PCT/EP2015/073565 patent/WO2016062571A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US10632503B2 (en) | 2020-04-28 |
DK3209435T3 (en) | 2021-11-15 |
WO2016062571A1 (en) | 2016-04-28 |
DE102014015550A1 (en) | 2016-04-28 |
CN107107119B (en) | 2020-04-14 |
US20170304869A1 (en) | 2017-10-26 |
EP3209435B1 (en) | 2021-08-25 |
CN107107119A (en) | 2017-08-29 |
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