EP1909976B1 - Dispositif de tamisage - Google Patents

Dispositif de tamisage Download PDF

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Publication number
EP1909976B1
EP1909976B1 EP06761978A EP06761978A EP1909976B1 EP 1909976 B1 EP1909976 B1 EP 1909976B1 EP 06761978 A EP06761978 A EP 06761978A EP 06761978 A EP06761978 A EP 06761978A EP 1909976 B1 EP1909976 B1 EP 1909976B1
Authority
EP
European Patent Office
Prior art keywords
combs
comminution device
comb
grid
counter
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.)
Not-in-force
Application number
EP06761978A
Other languages
German (de)
English (en)
Other versions
EP1909976A2 (fr
Inventor
Johann Doppstadt
Horst Berger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Doppstadt Calbe GmbH
Original Assignee
Doppstadt Calbe GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Doppstadt Calbe GmbH filed Critical Doppstadt Calbe GmbH
Publication of EP1909976A2 publication Critical patent/EP1909976A2/fr
Application granted granted Critical
Publication of EP1909976B1 publication Critical patent/EP1909976B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • 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
    • B07B1/04—Stationary flat 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
    • 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
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C2018/188—Stationary counter-knives; Mountings thereof
    • 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
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165—Screen denying egress of oversize material

Definitions

  • the invention relates to a crushing device, provided with a screening device consisting of a comb extension with a plurality of combs formed of flexible material, which are arranged parallel to each other.
  • Such screening devices are known, they are used, for example, on roller shredders, which are used for crushing garbage, bulky waste, waste wood and so on.
  • the roller shredders have teeth which work against a counter-comb and thereby shred the material.
  • baskets with a specific perforation are placed under the crushing roller. These baskets are usually rigidly arranged. With the size and type of perforation, the grain size of the final material is determined. By using the rigid baskets, the shredders become susceptible to interfering substances such as stones, iron pieces and so on. Large parts that have not been crushed and do not fall through the basket are repeatedly taken around the roller and can thereby destroy the cutting unit or the cutting tools or the basket. For fine grinders with a basket perforation of 20 mm to about 80 mm and a speed of the roller of about 100 revolutions per minute, it is therefore absolutely necessary to feed the input material to the comminution free of contaminants. This means that this material must be pretreated. This process is relatively expensive, since this presorting or pretreatment requires the use of additional machinery and additional processing time.
  • screening devices have hitherto been used which have a so-called smooth comb extension in order to screen off the comminuted material and to feed material which has not been comminuted once again over the roller in the comminuting process.
  • the advantage of this known from the prior art solution over a rigid basket is that the individual combs of the comb extension are movable in some way and therefore can escape when unzerkleinertes material passes through the comb. This means that the comb can dodge when very large contaminants such as iron get into the funnel. The individual combs of the comb extension can be replaced relatively easily when damaged.
  • the disadvantage of the smooth bars is that thin and long material can fall through the gaps between the combs and thus the desired accuracy can not be achieved.
  • the object of the invention is therefore to propose a comminution device which no longer has the disadvantages of the prior art described above.
  • the invention is based on the prior art described above and proposes a crushing device with the features of claim 1, consisting of a comb extension with several combs formed of flexible material before, which are arranged parallel to each other, in which the combs with bends or Rounding are provided, which serve to form a grid for defining the grain size for the screened material, with a storage at the comb extension and for the crushing device provided counter combs are attached. Because of this solution, it is now possible to form a specific grid for the definition of grain size and thus to achieve a very high accuracy and accuracy of the crushing of the material to be shredded.
  • the advantages of the sieve devices, which work with a so-called smooth comb extension, thereby obtained, namely by the combs are somewhat flexible.
  • these are formed of resilient material such as spring steel.
  • the very large contaminants, such as iron parts, which are not crushed by the roller crusher, can be easily passed through the comb due to this flexible formation of the ridges of the comb extension. At the same time, however, prevents the falling in the smooth comb extensions through the interstices, oblong.
  • Automatkomissern can no longer fall through the comb extension and thus be fed again to the crushing.
  • the screening device it is achieved that the susceptibility of the screen device or the shredder itself is reduced.
  • the definition of the particle sizes to be screened is further improved and the sieved material is obtained in a fairly high accuracy of the grain sizes. Oversizes can be easily removed by machine when removing the sieved goods. This is done in the usual way, for example in Magnetabscheidem, manual or medium other, technically suitable options.
  • the combs have trapezoid bends.
  • trapezoidal bends By these trapezoidal bends, a honeycomb-shaped grid is formed, which allows a very good definition of the screen size to be achieved for the comminuted material.
  • the distances between the individual combs are variable so that larger or smaller pitches can be obtained. It is also possible to exchange the combs of the comb extension and thereby cause a larger grid is formed. Of course, the entire comb extension can be held up with different comb designs to do so.
  • a development of the invention provides that the bends are angled in opposite directions, so that the grid is specified as the previously described honeycomb screen. Furthermore, as mentioned above, an embodiment of the invention is characterized in that the grid due to different Comb sizes is variable, such that different grains are defined by different sizes.
  • a further variant of the comminution device according to the invention provides that the angled portions are offset relative to one another, so that the slots are formed unevenly. Even with this, a specific grid can be produced and certain screening tasks can be better solved.
  • Another aspect of the invention is characterized in that the combs have rounded portions which are formed in opposite directions or in parallel, such that the grid is formed in a hole-shaped or serpentine shape.
  • the invention also provides a crushing device, in which the combs are mutually angled or bent.
  • the combs are angled at their free ends, in particular angled upward in the direction of erection of the roller shredder.
  • the combs of the comb extension can be formed from flat material or from round material.
  • the combs are formed from spring steel.
  • the combs can be formed in one piece or from two or more layers stacked spring steel comb elements.
  • the distances between the combs to each other are, according to a development of the invention, changeable or variable.
  • the invention also relates to a crushing device, which is designed as a roller shredder.
  • a crushing device which is designed as a roller shredder.
  • An advantageous development of the embodiment described above provides that the roller is designed for a rotational speed of 20 to 100 revolutions per minute, preferably of 40 revolutions per minute.
  • the combs of the comb extension are preferably arranged in the working position under the counter-combs of the roller crusher and furthermore preferably in the intermediate spaces or under the spaces between the counter-combs.
  • a development of the invention also provides that the combs of the comb extension are connected directly to the counter-combs of the roller shredder.
  • This storage is arranged in the housing of the roller crusher and is preferably pivotally mounted.
  • the storage of hydraulic cylinders that engage the storage is movable. This ensures, on the one hand, that the comb extension is in each case in an optimum position with respect to the roller and, on the other hand, the distance between the cutting tools of the roller and the counter-combs can thus also be influenced, for example while the counter combs are fastened to the mounting.
  • the Fig. 1 shows an embodiment of the invention with honeycomb grid 3 of the comb extension I.
  • the combs 1 are trapezoidal angled in opposite directions to each other, so that a honeycomb grid 3 is formed.
  • By the arrangement of the counter-trapezoidal bent combs 1 creates the grid 3.
  • the counter combs 5 of the roller crusher which is not shown, arranged.
  • These counter-combs 5 cooperate with the cutting tools arranged on the roller, such that the cutting tools engage in the interstices of the counter-combs and thus the material conveyed in by the roller is comminuted between the cutting tools of the roller and the counter-combs 5.
  • the storage is designated, to which the comb extension I and the counter combs 5 are attached.
  • This storage 6 is preferably pivotally or rotatably mounted and has at its two ends receiving points where, for example hydraulic cylinders can attack to move the storage including counter comb 5 and comb extension I or exert pressure on this, so that the comb extension I or the counter combs 5 always remain in the desired setting.
  • the setting can also be changed by means of these hydraulic cylinders, whereby a change in the grain size of the comminuted material can be achieved.
  • the combs 1 of the comb extension I for example, interchangeable, so that in case of failure or destruction of a single comb 1 this can be easily replaced.
  • the Fig. 2 shows a further embodiment of the invention with trapezoidal co-rotating angled combs 1. This training also creates a grid 3, which is formed by serpentine spaces between the combs 1.
  • the other reference numerals have already been used in the Fig. 1 are presented and will not be described again.
  • the Fig. 3 shows a comb extension I, as known from the prior art.
  • the individual combs 1 are straight, so that also straight spaces or a concurrently parallel grid 3 is formed.
  • the disadvantages of this solution have been described at the beginning.
  • the reference numerals also refer to the same technical features, so that not all the reference numbers are presented again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)
  • Food-Manufacturing Devices (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (13)

  1. Broyeur comportant un dispositif de tamisage formé d'un peigne à rallonges (1) avec plusieurs peignes parallèles réalisés en matériaux flexibles et ayant des formes coudées (1) ou arrondies (2) permettant de former une grille (3) définissant la taille des objets passant le peigne et une fixation pour le peigne à rallonges (I) et le contre-peigne (5) prévu au niveau du broyeur.
  2. Broyeur selon la revendication 1, caractérisé en ce que les peignes (1) du peigne à rallonge (I) et les contre-peignes (5) du broyeur sont tous directement liés les uns aux autres.
  3. Broyeur selon une des deux revendications précédentes, caractérisé en ce que les peignes (1) possèdent des parties coudées trapézoïdales (2).
  4. Broyeur selon une des revendications précédentes, caractérisé en ce que les parties coudées (2) le sont en contre-sens de façon à créer une grille (3) telle un nid d'abeille et/ou en ce que la grille (3) peut être ajustée par l'utilisation de tailles de peignes différentes de façon à ce que les différentes tailles permettent de faire passer des objets de taille différentes.
  5. Broyeur selon une des revendications précédentes, caractérisé en ce que les parties coudées (2) sont coudées dans la même direction et de préférence de façon parallèle permettant de générer une grille (3) avec des fentes trapézoïdales et/ou en ce que les parties coudées (2) sont décalées entre elles de façon à créer des fentes irrégulières et/ou en ce que les peignes (1) possèdent des parties arrondies dans le même sens ou en sens opposées afin de créer une grille (3) avec des fentes en forme de zigzag ou en forme de trous et/ou en ce que les peignes (1) du peigne à rallonge (I) peuvent être échangés.
  6. Broyeur selon une des revendications précédentes, caractérisé en ce que les peignes (1) possèdent des parties alternativement coudées ou arrondies et/ou en ce que les peignes (1) sont coudés au niveau de leurs extrémités libres (4) et en particulier qu'ils sont à l'état monté coudés vers le haut.
  7. Broyeur selon une des revendications précédentes, caractérisé en ce que les peignes (1) sont fabriqués en des matériaux plats et/ou en des matériaux ronds et/ou en un acier à ressort.
  8. Broyeur selon une des revendications précédentes, caractérisé en ce que les peignes (1) sont réalisés soit d'une pièce, soit en deux ou plus de deux couches d'éléments de peignes en acier superposées et/ou en ce que les distances entre les peignes (1) peuvent être ajustées.
  9. Broyeur selon une des revendications précédentes, caractérisé en ce qu'il est configuré comme un broyeur à rouleaux.
  10. Broyeur selon la revendication 9, caractérisé en ce que le rouleau est fabriqué pour une vitesse de rotation allant de 20 à 100 trs/min et de préférence pour 40 trs/min.
  11. Broyeur selon une des revendications 9 ou 10, caractérisé en ce qu'en position de fonctionnement les peignes (1) du peigne à rallonge (I) sont situés en-dessous des contre-peignes (5) du broyeur à rouleaux et de préférence situés dans les espaces entre les contre-peignes (5).
  12. Broyeur selon une des revendications précédentes, caractérisé en ce que la fixation (6) de cylindres hydrauliques agissant sur cette fixation est une fixation mobile.
  13. Broyeur selon une des revendications précédentes, caractérisé en ce que la fixation (6) permet un mouvement de pivotement ou de rotation.
EP06761978A 2005-06-08 2006-06-07 Dispositif de tamisage Not-in-force EP1909976B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202005009043 2005-06-08
DE202006003533U DE202006003533U1 (de) 2005-06-08 2006-03-03 Siebvorrichtung
PCT/EP2006/005419 WO2006131333A2 (fr) 2005-06-08 2006-06-07 Dispositif de tamisage

Publications (2)

Publication Number Publication Date
EP1909976A2 EP1909976A2 (fr) 2008-04-16
EP1909976B1 true EP1909976B1 (fr) 2012-03-14

Family

ID=36955452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06761978A Not-in-force EP1909976B1 (fr) 2005-06-08 2006-06-07 Dispositif de tamisage

Country Status (6)

Country Link
US (1) US7992812B2 (fr)
EP (1) EP1909976B1 (fr)
AT (1) ATE549098T1 (fr)
CA (1) CA2610974C (fr)
DE (1) DE202006003533U1 (fr)
WO (1) WO2006131333A2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9421577B2 (en) * 2008-02-15 2016-08-23 Screenex Manufacturing (Pty) Ltd. Screen panels
DE202012007418U1 (de) * 2012-08-03 2013-11-04 Doppstadt Familienholding Gmbh Zerkleinerungsvorrichtung
ITPD20130179A1 (it) * 2013-06-27 2014-12-28 Tierre Srl Utensile rotante per la trinciatura di materiale e macchina trinciatrice comprendente lo stesso
DE202015003527U1 (de) 2014-12-19 2016-03-22 Doppstadt Familienholding Gmbh Zerkleinerungsvorrichtung mit einem Kammsystem
DE202018000803U1 (de) * 2017-05-08 2018-08-09 Doppstadt Familienholding Gmbh Zerkleinerungsvorrichtung mit einem Kammsystem
DE102017006098B3 (de) * 2017-06-28 2018-12-27 Doppstadt Familienholding Gmbh Zerkleinerungsvorrichtung
CN107694705A (zh) * 2017-10-26 2018-02-16 长沙科悦企业管理咨询有限公司 一种能自动筛选的减震型西洋参加工设备
CA3101015A1 (fr) 2018-05-23 2019-11-28 Vermeer Manufacturing Company Dechiqueteuse pour broyer un materiau en vrac
CN110721897B (zh) * 2019-09-19 2022-03-22 桂林理工大学 一种建筑垃圾烧陶粒用原料筛选装置
CN113926684B (zh) * 2021-10-12 2023-01-13 安徽城市药业股份有限公司 灌装颗粒大小可筛选的胶囊药物灌装设备及其使用方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB230632A (en) 1924-03-22 1925-03-19 Drakes Ltd Improvements appertaining to mechanism for screening or sifting coke, coal or like granulated substances
US2003522A (en) * 1930-12-27 1935-06-04 Caterpillar Tractor Co Threshing
AT140729B (de) * 1934-01-27 1935-02-25 Hermann Schubert Klassierrost oder Sortiersieb.
DE944481C (de) * 1936-09-05 1956-06-14 Reed Roller Bit Co Rotary-Bohrgestaengeverbindung
US2324382A (en) * 1940-12-27 1943-07-13 Alfred D Goodwin Nut cracker and sheller
BE495405A (fr) * 1949-04-30
GB687499A (en) 1949-04-30 1953-02-18 Flender Bruckenbau G M B H Improvements relating to screening devices
DE1858520U (de) * 1962-07-03 1962-09-13 Hein Lehmann Ag Siebboden aus gewellten siebdraehten.
AU9141691A (en) 1990-12-11 1992-07-08 Read Corporation, The Material sizing apparatus with rod-vibrating decks
JPH07284730A (ja) 1994-04-20 1995-10-31 Fuji Kogyo Kk 篩装置の篩と篩製造方法
US6079647A (en) * 1996-07-19 2000-06-27 Durafibre Inc. Plant material processing system
DE202006006802U1 (de) * 2006-04-25 2007-08-30 Doppstadt Calbe Gmbh Zerkleinerungsvorrichtung

Also Published As

Publication number Publication date
WO2006131333A3 (fr) 2007-04-26
CA2610974C (fr) 2011-11-01
US7992812B2 (en) 2011-08-09
ATE549098T1 (de) 2012-03-15
WO2006131333A2 (fr) 2006-12-14
EP1909976A2 (fr) 2008-04-16
US20090145812A1 (en) 2009-06-11
CA2610974A1 (fr) 2006-12-14
DE202006003533U1 (de) 2006-10-19

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