EP2511014B1 - Roller screen separating device - Google Patents
Roller screen separating device Download PDFInfo
- Publication number
- EP2511014B1 EP2511014B1 EP20110003153 EP11003153A EP2511014B1 EP 2511014 B1 EP2511014 B1 EP 2511014B1 EP 20110003153 EP20110003153 EP 20110003153 EP 11003153 A EP11003153 A EP 11003153A EP 2511014 B1 EP2511014 B1 EP 2511014B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shafts
- eccentric discs
- movable
- eccentric
- frame
- 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.)
- Active
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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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
-
- 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
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
- B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
Definitions
- the present invention relates to a roller grate screening device for screening material according to the preamble of claim 1, comprising a plurality of mutually parallel, rotatably mounted in a frame, drivable waves, such as from EP 1 287 730 A1 known. Between the waves of a section changeable gap widths are adjustable.
- the gap widths are adjustable by a linear adjustment of the waves.
- This adjustment usually leads to a displacement of the waves of this section in a horizontal plane or in an inclined plane which is spanned by the axes of further waves of the known devices.
- Also in the horizontal there is an axial movement of the waves, as in DE 520 370 proposed.
- roller grate screening devices are used for example in the sorting of waste materials and in the treatment of building materials containing sand, earth, stones of different sizes and the like. As a material.
- the object is an adjustment of gap widths by means of a robust as possible executable and as simple as possible to realize controllable Verstellmimik. Another advantage would be a further improvement of the screening performance.
- the invention is based on the idea that an adjustment of the waves from the horizontal can also lead to the desired adjustment of the gap width.
- this object is achieved in a generic roller grate screening device with the features of the characterizing part of claim 1, characterized in that the waves are received with adjustable gap width with bearings in the roller grate screening device, each with respect to the roller grate screening device on an arc section have movable center of rotation.
- Inventive bearings of the shafts with adjustable gap width are movable relative to a frame of the roller grate screening device such that movement of the shafts from the otherwise horizontal plane of further waves of the roller grate screening device is achieved.
- the frame has eccentric discs in the second section on both sides of the movable shafts.
- the eccentric discs are aligned with their axes parallel to the movable shafts about the center of the eccentric discs rotatably mounted in the frame.
- the movable shafts are mounted eccentrically in the eccentric discs, so that the respective movable center of rotation of the bearings of the movable shafts is guided by the eccentric discs on a circular arc section.
- the respective eccentric dimension of the eccentric disks increases in the direction of flow for each eccentric disk by an equal amount, so that a second gap width is obtained between each of the shafts in the second section.
- roller grate screening device the movement of the turning centers on the bow sections by a single, mechanically coupled adjusting element, in particular a hydraulic cylinder, executable.
- the adjusting element via an electro-hydraulic locking system is securable.
- FIGS. 1 . 2 and 4a to 4c show the roller grate screening device 10 according to the invention in a single embodiment in plan view, side view of a first side and side views of a second side with schematically shown eccentric discs 30.
- one of the eccentric discs 30 is shown separately in an axial section.
- FIGS. 4a to 4c illustrate an adjustability of the movable shafts 24 by representations in the open position, middle position and closed position.
- Fig. 1 the roller grate screening device 10 according to the invention for screening of material with nine mutually parallel, rotatably mounted in a frame 12 shafts 14, 24 is shown.
- a first of the shafts 14 is partially covered on a task side 13 of adireblech. From the feed side 13, discontinued material moves in a flow direction 11 initially over five shafts 14 in a first section 16 and subsequently over four movable shafts 24 in a second section 26 during operation of the roller grate screening device 10.
- a first gap 17 is formed between the shafts 14 of the first section 16. Between the shafts 14, 24 at the boundary of the first and second sections and between the movable shafts 24 of the second section 26, a second gap width 27 is adjustable.
- All shafts 14, 24 are individually driven by means of drives 35. Their respective speed can be controlled by means of a controller.
- the fixed position of the first turning centers 18 results from a bearing of the shafts 14 of the first section 16 directly in the frame 12 and its likewise stationary side walls.
- the shafts 24 of the second section 26 are not rotatably mounted directly in the side walls of the frame 12, but in the eccentric discs 30.
- the eccentric discs 30 are in turn connected at the same distance in the flow direction 11 in succession in their respective center rotatably connected to the respective side wall.
- Each of the four successive eccentric discs 30 in the illustrations of Figures 2 and 4a to 4c has another eccentric measure. Viewed in the flow direction 11 increases with each additional eccentric disc 30, the eccentric, so that it is at a rotation of the eccentric discs 30 for all eccentric discs 30 same angle to uniform second gap widths 27 comes.
- the respective center of the eccentric disk 30 could be mounted rotatably in the respective side wall offset by a corresponding amount with respect to the horizontal. Then, in a position of the eccentric discs 30, a flat surface on the shafts 14, 24 of the roller grate screening device 10 would be achievable.
- the structure of the eccentric disc 30 is particularly in Fig. 3 clearly visible. Radially outside the eccentric disc 30 is rotatably mounted in a bearing housing 36 of the frame 12. A spherical roller bearing 37 is accommodated eccentrically in a radially inner region of the eccentric disk 30. Axially remote from the respective shaft 24, the spherical roller bearing 37 is closed by a cover, wherein an adjusting arm 34 is designed to project in the radial direction in one piece with the cover. Axially facing the respective movable shaft 24, the spherical roller bearing 37 is fastened with a wiper cover 38 under customary cooperation with an eccentric wiper 39 against the eccentric disk 30.
- FIGS. 4a to 4c it can be seen how when changing from an open position ( Fig. 4a ) about a middle position ( Fig. 4b ) in a closed position (4c), the second gap width 27a, 27b, 27c changed.
Landscapes
- Combined Means For Separation Of Solids (AREA)
Description
Die vorliegende Erfindung betrifft eine Rollenrost-Siebvorrichtung zum Sieben von Material nach dem Oberbegriff des Patentanspruchs 1, umfassend eine Mehrzahl von zueinander parallel angeordneten, drehbar in einem Rahmen gelagerten, antreibbaren Wellen, wie beispielsweise aus
Bei bekannten Vorrichtungen dieser Gattung sind die Spaltweiten durch eine lineare Verstellung der Wellen einstellbar. Diese Verstellung führt üblicherweise zu einer Verschiebung der Wellen dieses Abschnittes in einer horizontalen Ebene oder in einer schrägen Ebene, die durch Achsen weiterer Wellen der bekannten Vorrichtungen aufgespannt wird. Ebenfalls in der Horizontalen erfolgt eine axiale Bewegung der Wellen, wie in
Derartige Rollenrost-Siebvorrichtungen werden beispielsweise beim Sortieren von Abfallmaterialien und beim Aufbereiten von Baustoffen eingesetzt, die Sand, Erde, unterschiedlich große Steine und dgl. als Material enthalten.Such roller grate screening devices are used for example in the sorting of waste materials and in the treatment of building materials containing sand, earth, stones of different sizes and the like. As a material.
Auf Grund von unterschiedlichen Witterungsverhältnissen, Rohstoffvorkommen und Anforderungen an abzusiebende Korngrößen kann es für Betreiber von Brechanlagen interessant sein, einen Rollenrost mit verstellbaren Spaltweiten einzusetzen.Due to different weather conditions, deposits of raw materials and demands on sieve sizes to be screened, it may be interesting for operators of crushers to use a roller grate with adjustable gap widths.
Vor dem Hintergrund des oben genannten Stands der Technik stellt sich die Aufgabe, eine Verstellung von Spaltweiten mittels einer möglichst robust ausführbaren und möglichst einfach ansteuerbaren Verstellmimik zu realisieren. Vorteilhaft wäre auch eine weitere Verbesserung der Siebleistung.
Der Erfindung liegt die Idee zu Grunde, dass auch eine Verstellung der Wellen aus der Horizontalen hinaus zu der gewünschten Verstellung der Spaltweite führen kann.Against the background of the above-mentioned prior art, the object is an adjustment of gap widths by means of a robust as possible executable and as simple as possible to realize controllable Verstellmimik. Another advantage would be a further improvement of the screening performance.
The invention is based on the idea that an adjustment of the waves from the horizontal can also lead to the desired adjustment of the gap width.
Erfindungsgemäß wird diese Aufgabe bei einer gattungsgemäßen Rollenrost-Siebvorrichtung mit den Merkmalen des Kennzeichens des Patentanspruchs 1 dadurch gelöst, dass die Wellen mit verstellbarer Spaltweite mit Lagerungen in der Rollenrost-Siebvorrichtung aufgenommen sind, die jeweils ein im Bezug zu der Rollenrost-Siebvorrichtung auf einem Bogenabschnitt bewegbares Drehzentrum aufweisen. Erfindungsgemäße Lagerungen der Wellen mit verstellbarer Spaltweite sind gegenüber einem Rahmen der Rollenrost-Siebvorrichtung derart bewegbar, dass eine Bewegung der Wellen aus der sonst horizontalen Ebene weiterer Wellen der Rollenrost-Siebvorrichtung hinaus erreicht wird.According to the invention this object is achieved in a generic roller grate screening device with the features of the characterizing part of claim 1, characterized in that the waves are received with adjustable gap width with bearings in the roller grate screening device, each with respect to the roller grate screening device on an arc section have movable center of rotation. Inventive bearings of the shafts with adjustable gap width are movable relative to a frame of the roller grate screening device such that movement of the shafts from the otherwise horizontal plane of further waves of the roller grate screening device is achieved.
Der Rahmen weist in dem zweiten Abschnitt beidseits der bewegbaren Wellen Exzenterscheiben auf. Die Exzenterscheiben sind mit ihren Achsen parallel zu den bewegbaren Wellen ausgerichtet um das Zentrum der Exzenterscheiben drehbar in dem Rahmen gelagert. Die bewegbaren Wellen sind exzentrisch in den Exzenterscheiben gelagert, sodass das jeweilige bewegbare Drehzentrum der Lagerungen der bewegbaren Wellen mittels der Exzenterscheiben auf einem Kreisbogenabschnitt geführt ist.The frame has eccentric discs in the second section on both sides of the movable shafts. The eccentric discs are aligned with their axes parallel to the movable shafts about the center of the eccentric discs rotatably mounted in the frame. The movable shafts are mounted eccentrically in the eccentric discs, so that the respective movable center of rotation of the bearings of the movable shafts is guided by the eccentric discs on a circular arc section.
Die in der Flussrichtung hintereinander angeordneten Exzenterscheiben weisen unterschiedliche Exzentermaße auf, wobei Abstände zwischen den Zentren benachbarter Exzenterscheiben gleich sind.The successively arranged in the flow direction eccentric discs have different Exzentermaße, wherein distances between the centers of adjacent eccentric discs are the same.
Nach einer vorteilhaften Ausführungsform der Rollenrost-Siebvorrichtung wächst das jeweilige Exzentermaß der Exzenterscheiben der Flussrichtung folgend für jede Exzenterscheibe um einen gleichen Betrag an, sodass sich eine zwischen jeder der Wellen im zweiten Abschnitt gleiche zweite Spaltweite ergibt.According to an advantageous embodiment of the roller grate screening device, the respective eccentric dimension of the eccentric disks increases in the direction of flow for each eccentric disk by an equal amount, so that a second gap width is obtained between each of the shafts in the second section.
Nach einer weiteren vorteilhaften Ausführungsform der Rollenrost-Siebvorrichtung ist die Bewegung der Drehzentren auf den Bogenabschnitten durch ein einziges, mechanisch ankoppelbares Verstellelement, insbesondere einen Hydraulikzylinder, ausführbar.According to a further advantageous embodiment of the roller grate screening device, the movement of the turning centers on the bow sections by a single, mechanically coupled adjusting element, in particular a hydraulic cylinder, executable.
Nach einer weiteren vorteilhaften Ausführungsform der Röllenrost-Siebvorrichtung ist das Verstellelement über ein elektro-hydraulisches Verriegelungssystem sicherbar.According to a further advantageous embodiment of the Röllenrost screening device, the adjusting element via an electro-hydraulic locking system is securable.
Die Erfindung wird im Folgenden an einer einfachen Ausführungsform anhand der Zeichnungen erläutert. Es zeigen:
- Fig. 1
- eine Draufsicht auf die erfindungsgemäße Rollenrost-Siebvorrichtung mit vier bewegbaren Wellen,
- Fig. 2
- eine Seitenansicht der Rollenrost-Siebvorrichtung aus
Fig. 1 von einer ersten Seite mit einem Verstellelement für die vier bewegbaren Wellen, - Fig. 3
- einen Axialschnitt durch eine die bewegbare Welle aus
Fig. 1 aufnehmende Exzenterscheibe, - Fig. 4a
- eine weitere Seitenansicht der erfindungsgemäßen Rollenrost-Siebvorrichtung aus
Fig. 1 von einer zweiten Seite mit schematisiert dargestellten Exzenterscheiben, - Fig. 4a
- eine weitere Seitenansicht der erfindungsgemäßen Rollenrost-Siebvorrichtung aus
Fig. 1 von einer zweiten Seite mit schematisiert dargestellten Exzenterscheiben, wobei sich die bewegbaren Wellen in einer Offenstellung befinden, - Fig. 4b
- die Seitenansicht gemäß
Fig. 4a , wobei sich die bewegbaren Wellen in einer Mittelstellung befinden, und - Fig. 4c
- eine Seitenansicht gemäß
Fig. 4a , wobei sich die bewegbaren Wellen in einer Geschlossenstellung befinden.
- Fig. 1
- a plan view of the roller grate screening device according to the invention with four movable shafts,
- Fig. 2
- a side view of the roller grate screening device
Fig. 1 from a first side with an adjustment element for the four movable shafts, - Fig. 3
- an axial section through a movable shaft
Fig. 1 receiving eccentric disc, - Fig. 4a
- another side view of the roller grate screening device according to the invention
Fig. 1 from a second side with schematically represented eccentric discs, - Fig. 4a
- another side view of the roller grate screening device according to the invention
Fig. 1 from a second side with schematically represented eccentric discs, wherein the movable shafts are in an open position, - Fig. 4b
- the side view according to
Fig. 4a , wherein the movable shafts are in a central position, and - Fig. 4c
- a side view according to
Fig. 4a , wherein the movable shafts are in a closed position.
Die
In
Zwischen den Wellen 14 des ersten Abschnittes 16 ist eine erste Spaltweite 17 ausgebildet. Zwischen den Wellen 14, 24 an der Grenze des ersten und zweiten Abschnittes sowie zwischen den bewegbaren Wellen 24 des zweiten Abschnittes 26 ist eine zweite Spaltweite 27 einstellbar.Between the
Sämtliche Wellen 14, 24 sind einzeln mittels Antrieben 35 antreibbar. Ihre jeweilige Drehzahl ist mittels einer Steuerung regelbar.All
Aus den
Die feststehende Position der ersten Drehzentren 18 ergibt sich aus einer Lagerung der Wellen 14 des ersten Abschnittes 16 unmittelbar in dem Rahmen 12 bzw. dessen ebenfalls ortsfesten Seitenwänden. Die Wellen 24 des zweiten Abschnittes 26 sind nicht direkt in den Seitenwänden des Rahmens 12 drehbar gelagert, sondern in den Exzenterscheiben 30. Die Exzenterscheiben 30 wiederum sind in gleichem Abstand in Flussrichtung 11 hintereinander in ihrem jeweiligen Zentrum drehbar gelagert mit der jeweiligen Seitenwand verbunden.The fixed position of the first turning centers 18 results from a bearing of the
Jede der vier aufeinander folgenden Exzenterscheiben 30 in den Darstellungen der
Eine Folge des sich in Flussrichtung 11 vergrößernden Exzentermaßes ist, dass das jeweilige bewegbare Drehzentrum 28 in Flussrichtung 11 gesehen immer weiter zum Rand der jeweiligen Exzenterscheibe 30 hin angeordnet ist. Somit sind hintere Wellen 24 des zweiten Abschnittes 26 je nach Position der Exzenterscheiben 30 gegenüber der Horizontalen immer weiter angehoben.One consequence of the eccentric dimension increasing in the
Um einen derartigen Anstieg der Wellen 24 des zweiten Abschnittes 26 zu vermeiden könnte alternativ (nicht dargestellt) auch das jeweilige Zentrum der Exzenterscheibe 30 um ein entsprechendes Maß gegenüber der Horizontalen nach unten versetzt drehbar in der jeweiligen Seitenwand gelagert werden. Dann bliebe in einer Stellung der Exzenterscheiben 30 eine ebene Fläche auf den Wellen 14, 24 der Rollenrost-Siebvorrichtung 10 erreichbar.In order to avoid such an increase of the
Der Aufbau der Exzenterscheibe 30 ist besonders in
Den
- 1010
- Rollenrost-SiebvorrichtungRollenrost-screening device
- 1111
- Flussrichtungflow direction
- 1212
- Rahmenframe
- 1313
- Aufgabeseitetask page
- 1414
- Wellewave
- 1616
- erster Abschnittfirst section
- 1717
- erste Spaltweitefirst gap width
- 1818
- feststehendes Drehzentrumfixed turning center
- 2424
- bewegbare Wellemovable shaft
- 2626
- zweiter Abschnittsecond part
- 2727
- zweite Spaltweitesecond gap width
- 27a27a
- zweite Spaltweitesecond gap width
- 27b27b
- zweite Spaltweitesecond gap width
- 27c27c
- zweite Spaltweitesecond gap width
- 2828
- bewegbares Drehzentrummovable turning center
- 3030
- Exzenterscheibeeccentric
- 3131
- Verstelleinrichtungadjustment
- 3232
- Hydraulikzylinderhydraulic cylinders
- 3333
- Stangepole
- 3434
- Verstellarmadjusting arm
- 3535
- Antriebdrive
- 3636
- Lagergehäusebearing housing
- 3737
- EndrollenlagerEndrollenlager
- 3838
- Abstreiferdeckelwiper cover
- 3939
- ExzenterabstreiferExzenterabstreifer
Claims (4)
- A roller-screen sifting apparatus (10) for the sifting of material, comprising a plurality of shafts (14, 24) which are arranged parallel to one another and are mounted in a rotatable manner in a frame (12) and are capable of being driven, wherein a first gap width (17) between the shafts (14) is not variable in a first portion (16) as viewed in a flow direction (11) [of] the material, wherein a mounting of the respective shaft of the first portion has a centre of rotation which is fixed with respect to the frame (12) and wherein a second gap width (27, 27a, 27b, 27c) between movable shafts (24) is variable in a second portion (26) as viewed in the flow direction (11), wherein mountings of the movable shafts (24) arranged in the second portion (26) have in each case a centre of rotation (28) which is movable on a curve portion with respect to the frame (12),
characterized in that the frame (12) in the second portion (26) has eccentric discs (30) on both sides of the movable shafts (24), the eccentric discs (30) being mounted in the frame (12) in a rotatable manner with their axes aligned parallel to the movable shafts (24) in the centre of the eccentric discs (30), and the movable shafts (24) are mounted eccentrically in the eccentric discs (30) so that the respective movable centre of rotation (28) of the mountings of the movable shafts (24) is guided on a circular portion by means of the eccentric discs (30), and the eccentric discs (30) arranged in succession in the flow direction (11) have different degrees of eccentricity, wherein distances between the centres of adjacent eccentric discs (30) are the same. - A roller-screen sifting apparatus (10) according to claim 1, characterized in that the respective degree of eccentricity of the eccentric discs (30) increases by an equal amount for each eccentric disc (30) following the flow direction (11), so as to result in a second gap width (27, 27a, 27b, 27c) which is equal between each of the shafts (24) in the second portion (26).
- A roller-screen sifting apparatus (10) according to one of the preceding claims, characterized in that the movement of the centres of rotation (28) on the curved portion is capable of being produced by a single displacement element, in particular an hydraulic cylinder (32), capable of being coupled mechanically.
- A roller-screen sifting apparatus (10) according to claim 3, characterized in that the displacement element is capable of being secured by way of an electro-hydraulic locking system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20110003153 EP2511014B1 (en) | 2011-04-14 | 2011-04-14 | Roller screen separating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20110003153 EP2511014B1 (en) | 2011-04-14 | 2011-04-14 | Roller screen separating device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2511014A1 EP2511014A1 (en) | 2012-10-17 |
EP2511014B1 true EP2511014B1 (en) | 2014-10-08 |
Family
ID=44764270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP20110003153 Active EP2511014B1 (en) | 2011-04-14 | 2011-04-14 | Roller screen separating device |
Country Status (1)
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EP (1) | EP2511014B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112221931A (en) * | 2020-09-24 | 2021-01-15 | 江苏绿博生物科技有限公司 | Beating and sorting all-in-one machine adopting rotary drum screen |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITBO20130152A1 (en) | 2013-04-08 | 2014-10-09 | Simex Srl | MATERIAL SCREENING DEVICE SUCH AS EXAMPLE OF INERT MATERIALS AND SCREENING BUCKET EQUIPPED WITH SUCH A DEVICE |
DE102015104719A1 (en) | 2015-03-27 | 2016-09-29 | Halbach & Braun Industrieanlagen Gmbh & Co. | screening |
CN108295954A (en) * | 2018-04-11 | 2018-07-20 | 河南省振源科技有限公司 | Multistage screening with constant bed thickness crusher |
DE102023101553A1 (en) | 2023-01-23 | 2024-07-25 | Flsmidth A/S | Roller grate system and method for adjusting gap spacing of a roller grate system |
WO2024157162A1 (en) | 2023-01-23 | 2024-08-02 | Flsmidth A/S | Roller grate system and method for adjusting gap distances of a roller grate system |
BE1031282B1 (en) | 2023-01-23 | 2024-08-19 | Flsmidth As | Roller grate system and method for adjusting gap spacing of a roller grate system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE598306C (en) * | 1934-06-08 | Buckau R Wolf Akt Ges Maschf | Roller grate consisting of several rollers arranged one behind the other for sieving loose material | |
DE520370C (en) | 1927-05-11 | 1931-03-10 | Westfaelische Maschb Ges M B H | Roller grate with adjustable gap widths |
DE623072C (en) * | 1933-06-30 | 1935-12-12 | Fried Krupp Grusonwerk Akt Ges | Cleaning device for disk roller grates |
FI97527C (en) * | 1995-02-15 | 1997-01-10 | Sunds Defibrator Loviisa Oy | Method and apparatus for removing impurities from powdered or combustible material, in particular chip or fibrous material |
FI965255A (en) * | 1996-12-30 | 1998-07-01 | Outokumpu Oy | A roller screen |
DE10142436B4 (en) * | 2001-08-31 | 2004-06-03 | Franz Grimme Landmaschinenfabrik Gmbh & Co Kg | Harvester for root crops, especially potatoes |
DE102007042518B4 (en) * | 2007-09-07 | 2010-06-10 | Vma Maschinen- & Anlagenbau Gmbh | Eccentric sieve element for disc sieves and disc sieve |
-
2011
- 2011-04-14 EP EP20110003153 patent/EP2511014B1/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112221931A (en) * | 2020-09-24 | 2021-01-15 | 江苏绿博生物科技有限公司 | Beating and sorting all-in-one machine adopting rotary drum screen |
Also Published As
Publication number | Publication date |
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EP2511014A1 (en) | 2012-10-17 |
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