EP0998980B1 - Désintégrateur à arbres parallèles entraínés par moteur - Google Patents

Désintégrateur à arbres parallèles entraínés par moteur Download PDF

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Publication number
EP0998980B1
EP0998980B1 EP99120794A EP99120794A EP0998980B1 EP 0998980 B1 EP0998980 B1 EP 0998980B1 EP 99120794 A EP99120794 A EP 99120794A EP 99120794 A EP99120794 A EP 99120794A EP 0998980 B1 EP0998980 B1 EP 0998980B1
Authority
EP
European Patent Office
Prior art keywords
clearing
arms
shafts
comminution
tool carriers
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.)
Expired - Lifetime
Application number
EP99120794A
Other languages
German (de)
English (en)
Other versions
EP0998980A1 (fr
Inventor
Norbert Kottmann
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.)
Eurec Technology Entsorgungsanlagen GmbH
Original Assignee
Eurec Technology Entsorgungsanlagen GmbH
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Publication date
Application filed by Eurec Technology Entsorgungsanlagen GmbH filed Critical Eurec Technology Entsorgungsanlagen GmbH
Priority to DE2000111302 priority Critical patent/DE10011302A1/de
Publication of EP0998980A1 publication Critical patent/EP0998980A1/fr
Application granted granted Critical
Publication of EP0998980B1 publication Critical patent/EP0998980B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
    • 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

Definitions

  • the invention relates to a shredding device with two essentially parallel, motor-driven Waves arranged in the bottom area of a feed hopper are, according to the preamble of claim 1.
  • Double-shaft shredders with mechanical acting tearing and clearing elements belong to the known State of the art.
  • the shredding device shown there has a funnel-like container in which Outlet area two crusher rollers parallel to each other are that can be driven in opposite directions.
  • the crushing rollers of such crushing devices are constructed in different ways, always with the basic principle it lies on the outer circumference of the crusher rollers Form elements, these elements interlocking. In this way the material that gets between the rollers is removed from the elements located on the rollers and taken to Roller nip transported and shredded.
  • the Crusher roller has a cylindrical body which several, spaced apart disc elements are attached, in turn at the peripheral region Crusher elements are attached.
  • the breaker elements are supposed to with respect to the longitudinal axis of the crusher shafts against each other be arranged offset so that the crusher elements each in opposite spaces between adjacent crusher rollers intervene to clear the spaces between crushed particles clean, i.e. to clear out.
  • the known Crusher element should be plate-shaped and essentially arranged in a tangential plane of the disk element become.
  • Crusher element can absorb the corresponding forces according to known utility models highlighted that it is necessary is to provide additional support elements or support bodies.
  • the Support bodies are in terms of the direction of rotation Arrange crusher roller in front of the crusher element. By a cutting-like shape of the support body should this also improve the crushing.
  • the individual crusher elements adjacent discs preferably in the circumferential direction staggered, so that in a side view Crusher roller a spiral formation of each Sets crusher elements.
  • the crusher rollers are can be driven in both directions of rotation in a preferred manner. With regard to the nip formed by the crusher rollers the rollers move towards each other in the direction of rotation emotional. In the case when a workpiece or to be shredded Is well jammed between or by the rollers on one Reversed direction of rotation, in this way the roller gap to work freely.
  • the basic idea of the invention is accordingly one of known double-shaft shredding device, however on a shredding in both directions of rotation Waves fall back, so even in the event when a medium size range, namely that between the Clogged rollers or there is such a risk of clogging, the shredding process in the side, adjacent to the rollers Areas continued or taken over by these areas becomes.
  • the disk-shaped tool carrier Device designed so that it extends radially Have arms with recesses in between.
  • the arms with recesses is the actual recording area, who grasped the abandoned good, very large, so that each supplied amount of material to be shredded can be optimized can.
  • a front and back tear wear insert are arranged in the shaft rotation direction.
  • the arms of the tool carriers fastened on the shafts engage in the intermediate shaft area, so that an optimal transmission of force to the material to be shredded is ensured.
  • the disc-shaped Tool carriers preferably four, the same on the circumference spaced arms in place, along the shafts fixed tool carrier with arms a spiral offset own and the scraper attached to the outer arm end extend on both sides of the tool carrier or arm.
  • discharged Material can vary the number of arms of the tool carrier are preferred, with a variance in the range of two to eight being preferred is.
  • the clearers which are attached to the arms, have a width such that the interlocking arms of the an adjacent tool carrier attached to the shafts defined clearing distance or at least partially Overlapping adjacent clearers result.
  • the Arms of different length i.e. a different radial expansion, so that an internal and an outer circle with different peripheral speeds established. Because of these different peripheral speeds at the outer end of the arm where the actual Active elements with respect to the crushing process overall, the tear behavior is improved.
  • the clearing and crushing tines in the hopper are in the substantially parallel and evenly spaced on one appropriate pad attached so that the rotating arms with tearing and clearing elements in the respective tine spaces immerse and there the abandoned material capture and shred by tearing or breaking or for ensure a volume reduction of the material.
  • Another approach according to the invention is the width the clearing and crushing tines and thus the distance between the tines to the arms immersed in the spaces between the tines to change, so that between a medium size reduction zone between the waves and the side crushing zones different between the respective shaft and the tines Grains with the appropriate choice of shaft rotation directions let it be realized.
  • Such an embodiment of the Invention makes it possible to use very different mechanical substances Strengths and properties with one Treat shredder, taking only the direction of rotation e.g. switch to reversing operation. In order to can the use of mobile shredding devices on different Places with very different shredding tasks done in an optimal way.
  • the clearers can have an oblique outer longitudinal edge, the helix angle of adjacent clearers being selected alternately on a shaft.
  • the outside edges of the scraper can have an oblique or conical shape, the aforementioned measures serving to further improve the tearing of the material to be dispensed, without there being an increased risk of tearing gap or crushing area clogging.
  • the clearers are preferably manufactured as an insert, wherein the corresponding inserts each in one arm radially extending recess cohesively, e.g. by welding be fixed.
  • a program control known per se allows speed and direction of rotation to select or specify an automatic reversion operation.
  • There is a detection of the active power of the drive Possibility of supplying the amount of energy to be comminuted to optimize without the performance range of the Overall drive or mechanical strength of the device be crossed, be exceeded, be passed.
  • the forward and backward wear inserts are made of material Connect, preferably welding, to the arms of the Tool carrier and recesses or recesses provided there attached.
  • the shredding device according to the invention can be used as Exchange unit can be designed, the standard outer dimensions can be coupled with different drives.
  • the invention succeeds in developing it further Shredding device with three shredding areas or to indicate crushing zones that are dependent of the current direction of rotation of the shafts respectively Tool carriers with arms each tear or break or take out, regardless of the direction of rotation at least one area or zone the shredding function takes over. This increases the material throughput, so that the effectiveness when using the invention Device is sustainably improved.
  • the shredding device 1 is inserted into a housing 2 and has a left crushing shaft 3 and a right one Crushing shaft 4 on. Waves 3 and 4 are corresponding Fixed bearings 5 and 6 (see Fig. 2 and 7) assigned. With the reference numerals 7 and 8 are opposite the fixed bearings called lying coupling halves.
  • a tool carrier 13 has radially extending arms 14, which serve as a tool holder head. On the arms 14 are in a seat 16 each clearer 15 and in corresponding Wear insert seats 18 and 20 the forward and back tear wear inserts 17 and 19 attached by welding.
  • the arms 14 a have different radial lengths. So is a higher one Arm 21 and a lower arm 22 formed, with rotation the arms 21 and 22 have an inner and an outer effective diameter 40; 41 with different peripheral speeds adjusts, thereby improving the tearing behavior of the device 1 results.
  • Recesses or recesses 23 are between the Arms 14 and ensure optimal material transport without the required mechanical stability of the tool carrier is restricted.
  • a shaft opening 24 enables a corresponding circumferential Attach the individual tool carrier 13 to the Waves 3 and 4.
  • the clearers 15 can be inclined Have 26 along the outer longitudinal edge, the helix angle adjacent scraper 14 arranged on a shaft are alternating, i.e. with corresponding reverse Sign chosen with respect to the respective longitudinal axis is.
  • the clearing and crushing tines 27 shown in FIGS. 2 and 7 also take on a shredding function if the corresponding tool carrier 13 with the arms 14 of the move respective shafts 3 and 4 onto tines 27. at The direction of rotation is reversed accordingly in the Areas between the tines 27.
  • the direction of rotation of the shafts 3 and 4 is symbolized by the reference numerals 28 and 29 or the corresponding arrow representations.
  • the tools which are arranged on the tool carriers 13 of the two shafts 3 and 4, move toward one another, so that a central comminution region 37 results.
  • a reversal of the direction of rotation clears out the central shredding area 37, material in the area 33 still being able to be shredded.
  • the material fed in is torn and / or compressed, namely by corresponding forces between the tear-back wear inserts and the clearing and crushing tines 27.
  • FIG. 5 shows a standardizable tool carrier blank 32 with already mentioned clearing seat 16 and front 18 or rear wear insert seat.
  • the area of the fixed bearings 5 and 6 is the storage area with 34 and the one for receiving the coupling with the reference symbol 35 marked. Located in the area of the coupling seat 35 also the coupling pin 42 and 43 and a wall 44 to Flange the gearbox and the corresponding part of the Housing wall 45.
  • the helix angle according to FIG. 4 or as in FIG. 6 recognizable as detail X, is denoted by 36 and amounts to few angular degrees.
  • the width of the clearer 15 is chosen so that this overlaps another grain of the crushed, discharged material result than at a Embodiment according to FIG. 7 with clearing distance 46 is the case is.
  • FIG. 8 shows the spiral arrangement of the tool carriers over the circumference of the corresponding shaft, the clearing of the clearers extending on both sides of the tool carrier in connection with the forward and backward tear wear insert being recognizable.
  • 9 shows parts of the two shafts with the tool carriers as well as lateral clearing and crushing tines.
  • the side clearing and crushing tines can be different Have width, creating different distances between the tines and the corresponding scraper, which on Tool carriers are attached, result. That way it is possible for each shredding area, in particular between the middle shredding area or the middle shredding zone 37 and the lateral crushing areas 38 and 39 different grain sizes of the material crushed there to achieve, the choice of grit only by switching the direction of rotation with effective making of either the middle shredding area 37 or the lateral shredding areas 38 and 39 can be done.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Claims (11)

  1. Dispositif de fragmentation comportant deux arbres (3, 4) s'étendant sensiblement parallèlement et motorisés, qui sont agencés dans la zone de fond d'une trémie d'alimentation, des porte-outils (13) pour recevoir des éléments de déchirure et d'extraction en forme de disque et décalés mutuellement étant fixés sur les arbres sur le côté de la périphérie,
    caractérisé en ce que
    les porte-outils (13) en forme de disque fixés sur les arbres (3, 4) comprennent des bras (14) s'étendant radialement et présentant des retraits interposés, à l'extrémité radialement extérieure des bras étant agencés un insert d'usure respectif de déchirure vers l'avant et vers l'arrière (17, 19) qui s'étend en direction de rotation de l'arbre, ainsi qu'un extracteur (15) qui s'étend en direction longitudinale de l'arbre et qui se trouve entre l'insert d'usure de déchirure vers l'avant et l'insert d'usure de déchirure vers l'arrière ;
    les bras des porte-outils s'imbriquent dans la zone intermédiaire des arbres et
    des dents d'extraction et de brisure (27) sont fixées à l'intérieur de la trémie d'alimentation dans la zone du plan tendu par les axes des arbres des deux côtés des arbres comportant les porte-outils, qui sont agencées au voisinage de ces derniers et qui plongent dans les intervalles entre les porte-outils,
    plusieurs zones de fragmentation étant formées par les porte-outils et par les dents d'extraction et de brisure latérales.
  2. Dispositif de fragmentation selon la revendication 1, caractérisé en ce que les porte-outils en forme de disque comprennent de préférence quatre bras à distances égales, et les porte-outils fixés le long des arbres forment avec les bras un décalage spiralé et les extracteurs fixés à l'extrémité extérieure des bras respectifs s'étendent des deux côtés du porte-outil ou du bras.
  3. Dispositif de fragmentation selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que les extracteurs présentent une largeur telle que les bras imbriqués des porte-outils voisins fixés sur les arbres procurent une distance définie des extracteurs ou un chevauchement au moins partiel d'extracteurs voisins.
  4. Dispositif de fragmentation selon l'une des revendications précédentes, caractérisé en ce que les bras possèdent des longueurs différentes, de sorte que lors d'une rotation il se produit un cercle d'action intérieur et un cercle d'action extérieur à des vitesses périphériques différentes et de ce fait un comportement de déchirure amélioré du dispositif.
  5. Dispositif de fragmentation selon l'une des revendications précédentes, caractérisé en ce que les dents d'extraction et de brisure sont fixées sensiblement parallèlement et à des distances égales sur un support, de telle sorte que les bras en rotation plongent par des éléments de déchirure et d'extraction dans les intervalles respectifs.
  6. Dispositif de fragmentation selon l'une des revendications précédentes, caractérisé en ce que pour régler la granulométrie de la matière fragmentée, le nombre des bras des porte-outils est variable dans la plage sensiblement de deux à huit.
  7. Dispositif de fragmentation selon l'une des revendications précédentes, caractérisé en ce que la largeur des dents d'extraction et de brisure et ainsi la distance des dents est variable par rapport aux bras respectifs plongeant dans l'intervalle interdentaire, de sorte que lors d'un choix correspondant des directions de rotation des arbres, il se produit une granulométrie dans une zone de fragmentation médiane, située entre les arbres, qui diffère de la granulométrie dans les zones de fragmentation latérales, situées entre l'arbre respectif et les dents.
  8. Dispositif de fragmentation selon la revendication 1, caractérisé en ce que les extracteurs comprennent une arête longitudinale extérieure inclinée, l'angle d'inclinaison d'extracteurs voisins sur un arbre étant choisi en alternance.
  9. Dispositif de fragmentation selon la revendication 8, caractérisé en ce qu'en supplément ou en variante, les arêtes latérales extérieures des extracteurs possèdent un tracé oblique ou conique.
  10. Dispositif de fragmentation selon l'une ou l'autre des revendications 8 et 9, caractérisé en ce que les extracteurs sont réalisés sous forme de pièces d'insert et ceux-ci sont fixés chacun en coopération de matières dans un évidement qui s'étend radialement dans le bras.
  11. Dispositif de fragmentation selon l'une des revendications précédentes, caractérisé en ce que celui-ci est réalisé sous forme d'unité interchangeable pour l'utilisation dans des appareils de fragmentation différents.
EP99120794A 1998-10-21 1999-10-20 Désintégrateur à arbres parallèles entraínés par moteur Expired - Lifetime EP0998980B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2000111302 DE10011302A1 (de) 1999-10-20 2000-03-09 Zerkleinerungsvorrichtung mit zwei im wesentlichen parallel verlaufenden, motorisch angetriebenen Wellen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19847886 1998-10-21
DE19847886 1998-10-21

Publications (2)

Publication Number Publication Date
EP0998980A1 EP0998980A1 (fr) 2000-05-10
EP0998980B1 true EP0998980B1 (fr) 2003-04-02

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Application Number Title Priority Date Filing Date
EP99120794A Expired - Lifetime EP0998980B1 (fr) 1998-10-21 1999-10-20 Désintégrateur à arbres parallèles entraínés par moteur

Country Status (6)

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US (1) US6092751A (fr)
EP (1) EP0998980B1 (fr)
AT (1) ATE235964T1 (fr)
CA (1) CA2255365C (fr)
DE (1) DE59904826D1 (fr)
ES (1) ES2195493T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7500630B2 (en) * 2000-10-30 2009-03-10 Badger Shredding Products, Inc. Reversible blade for a comminution machine
AU2002246656A1 (en) 2000-10-30 2002-08-06 Badger Bite Co. Comminution blade
WO2004071706A2 (fr) * 2003-02-10 2004-08-26 Morbark, Inc. Machine a dechirer et a broyer des produits de dechets et son fonctionnement
DE10344289B4 (de) * 2003-09-23 2005-12-29 Forus Gmbh Vorrichtung zur Zerkleinerung von sperrigen Materialien, insbesondere von Müll
DK176582B1 (da) * 2005-06-22 2008-10-06 M & J Ind As Findelingsmaskine
CN105170264A (zh) * 2015-10-29 2015-12-23 天津碎易得环保工程技术有限公司 一种液压剪切破碎机
CN112427133A (zh) * 2020-12-11 2021-03-02 芜湖博威机械制造有限公司 一种可对钢管废料自动输送的钢管加工用回收处理装置
CN113210059B (zh) * 2021-05-21 2022-08-12 苏州爱本科技有限公司 一种工业废弃固体颗粒高效率回收处理设备
CN115529948B (zh) * 2022-12-05 2023-03-14 哈尔滨重齿传动设备有限公司 一种改进刀片排列的生物质切撕一体机刀箱

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK169378B1 (da) * 1990-03-21 1994-10-17 Separation A S Niro Apparat til neddeling af materiale
DE4109467C2 (de) * 1991-03-22 1997-03-27 Schleicher & Co Int Dokumentenvernichter
JP3188909B2 (ja) * 1991-07-17 2001-07-16 松爾 中込 ２軸破砕機
DE9110457U1 (de) 1991-08-23 1991-12-19 Hammel, Norbert, 6301 Reiskirchen Zerkleinerungsvorrichtung
JP2677521B2 (ja) * 1994-09-06 1997-11-17 株式会社御池鐵工所 破砕機
DE9415955U1 (de) * 1994-10-04 1994-11-24 Beez, Frank, 57632 Rott Zerkleinerungsvorrichtung
US5516050A (en) * 1995-02-27 1996-05-14 Basf Corporation Industrial Rotary Shredder

Also Published As

Publication number Publication date
ATE235964T1 (de) 2003-04-15
CA2255365C (fr) 2004-05-25
US6092751A (en) 2000-07-25
EP0998980A1 (fr) 2000-05-10
CA2255365A1 (fr) 2000-04-21
DE59904826D1 (de) 2003-05-08
ES2195493T3 (es) 2003-12-01

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