EP2065091B1 - Désintégrateur de matériau - Google Patents

Désintégrateur de matériau Download PDF

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Publication number
EP2065091B1
EP2065091B1 EP07023275A EP07023275A EP2065091B1 EP 2065091 B1 EP2065091 B1 EP 2065091B1 EP 07023275 A EP07023275 A EP 07023275A EP 07023275 A EP07023275 A EP 07023275A EP 2065091 B1 EP2065091 B1 EP 2065091B1
Authority
EP
European Patent Office
Prior art keywords
screening device
housing
stator blade
grinder
rotor
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
Application number
EP07023275A
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German (de)
English (en)
Other versions
EP2065091A1 (fr
Inventor
Peter Schiffer
Mario Fritz
Egon Tiefnig
Lindner Manuel
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.)
Individual
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Individual
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 Individual filed Critical Individual
Priority to ES07023275T priority Critical patent/ES2356297T3/es
Priority to DE502007006263T priority patent/DE502007006263D1/de
Priority to AT07023275T priority patent/ATE494955T1/de
Priority to EP07023275A priority patent/EP2065091B1/fr
Priority to PCT/EP2008/009717 priority patent/WO2009068202A1/fr
Priority to US12/743,659 priority patent/US8844849B2/en
Publication of EP2065091A1 publication Critical patent/EP2065091A1/fr
Application granted granted Critical
Publication of EP2065091B1 publication Critical patent/EP2065091B1/fr
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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
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/282—Shape or inner surface of mill-housings
    • B02C13/284—Built-in screens
    • 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 present invention relates to a device for comminuting the components of a material stream and in particular of waste products, the device comprising rotating knives and stationary knives (counter knives, stator knives) between which the comminution takes place and a screening device through which the comminuted components are discharged ,
  • a central element of a conventional crusher is a rotor unit comprising a rotor provided with knives, e.g. B. can be provided with concave ground Rundschneidkronen equipped.
  • the knives are attached, for example, by screwing on knife carriers, which are welded in knife pockets or z. B. can be screwed, which are milled into the rotor.
  • the comminution of the discontinued material occurs between the blades rotating with the rotor and stationary ones, i. non-rotating counter-knives (stator knives, scraper combs).
  • the discontinued material can be pressed by a load-dependent controlled pushing device in the direction of the rotating rotor. After comminution between the rotating blades and the counter-blades, the material is discharged through a screening device which determines the comminution factor in accordance with the size of the screen and transported by means of a conveyor belt, a screw conveyor, a chain conveyor or an extraction system, etc.
  • the sieve device may comprise a sieve basket with several sieve segments, for example with a sieve size of 5 to 150 mm.
  • Both the rotating blades and the stator knives are subject to heavy wear and must therefore be rotated or replaced after a certain period of operation. Similarly, the strainers must be renewed at regular intervals. In general, the blades mounted on the rotor are relatively easy to turn and turn with a few hand movements (up to eight times) until replacement is required. A typical service life for the stator knives is 50 to 500 hours. In the prior art, two variants of the attachment of the stator knives associated with corresponding maintenance procedures are known.
  • stator blades can be fastened together with the sieves on an upwardly pivotable Ausschwenkwand. Turning or replacing the stator knives takes place in the pivoted-out state of the swing-out wall and thus in overhead work, since the swing-out wall must be swung out at overhead height.
  • the overhead work on the heavy statortnessers and fasteners with individual weights of up to 25 kg is tedious and dangerous and involves relatively long set-up times, in which no operation of the crusher is possible.
  • the machine rigidity is reduced by the fact that the inclusion of the stator blades in this variant can not be welded to the housing.
  • the receptacle of the stator knives is firmly welded to the machine housing.
  • a mechanic to maintain the stator knives must either go over the rotor in the cutting room and work under tight conditions time-consuming on the stator blades or turn after opening a maintenance cover in the housing wall overhead the necessary maintenance.
  • the EP 0 080 621 A2 discloses a Textilzerkleinerer with a to be comminuted from above with good to be crushed rotor with a horizontal axis and a arranged below the rotor outlet grate should be improved so that it can chop good alternately to a given fineness with the best possible efficiency and with the rotor running adapt to short-term changing requirements.
  • the outlet grate in this case consists of two halves which substantially surround the lower half of the rotor and which are laterally pivoted laterally within the housing by grate axes (8, 9) extending horizontally approximately at the height of the rotor axis.
  • the US 5 150 844 A discloses a waste disintegrating apparatus comprising a rotor having rotor teeth which is operated in cooperation with an anvil comprising work surfaces.
  • the in the US 5 150 844 A The grinding device described further comprises a grate which is rotatably provided about an axis and mounted on a grate pin. Upon blocking the shredder by non-shredding material, the grate shear pin is sheared off and the grate swings away from the rotor.
  • stator knives Since the downtime of the crusher should be minimized for economic reasons, it is desirable to develop a mounting structure for the stator knives, which allows faster and safer maintenance, in particular a simplified disassembly of worn stator blades and assembly of new stator knives.
  • a crushing apparatus for crushing material components supplied thereto which comprises a housing; at least one rotor mounted in the housing with rotor blades or rotor teeth mounted thereon; at least one stator knife which can be supported on the housing; and at least one screening device, which is movable from an operating state of the comminution device downwards or laterally relative to the housing into a maintenance state, characterized in that in the operating state, the at least one stator blade and the at least one screen device are supported on one another and from this, optionally either the at least one screening device or the at least one screening device and the at least one stator blade can be moved together into the maintenance state.
  • the knives may be interchangeably attached to the rotor, in particular by screws.
  • Teeth which in particular can be welded to the rotor, serve a rather tearing rather than cutting comminution of the material components.
  • the screening device can be pivotable from the operating state into the maintenance state.
  • floats in the maintenance state one end of the screening device, which is connected in operation with the crushing device in the air, while the opposite end of the crushing device (in particular a housing thereof) is hinged, so that the screening device z. B. can pivot about an axis at the hinged end and is pivoted in the maintenance state about this axis by a predetermined angle.
  • the at least one stator blade and the sieve device are connected to one another, namely at the end of the sieve device, which floats in the maintenance state in the air. It can be provided that, in a further maintenance state, which is different from the above, the at least one stator blade is merely connected to the housing of the comminuting device.
  • the at least one stator blade can be connected to the at least one screening device.
  • the at least one stator blade may be connected to a housing of the crushing device.
  • the crushing device of the invention can be designed so that both variants can be selected by a maintenance person.
  • the at least one stator blade in the maintenance state of the screening device, can be selectively connected to the housing of the shredding device.
  • the at least one stator blade is connected to both the at least one screening device and to a housing of the comminution device in such a way that it is in the maintenance state, according to the choice of a Maintenance person (eg by loosening appropriate fasteners, such as screws, etc.), either only with the at least one screening device or only with the housing of the crushing device is connected.
  • a Maintenance person eg by loosening appropriate fasteners, such as screws, etc.
  • the connection to the housing or the screening device can be made in particular via knife receptacles, which are inserted in corresponding knife pockets.
  • the screen device is connected in the maintenance state with the stator blade, i. with the same is pivoted away from the housing of the crushing device.
  • this allows the at least one stator blade to be pivoted to a height which is convenient for a mechanic to reach without having to work overhead, e.g. to a height of about one meter above the base on which the crushing device is placed.
  • the maintenance of the stator blade over the prior art is significantly simplified and thus significantly reduced the downtime of the crushing device.
  • the screening device serves as a transport means for the stator blade into the maintenance state. While a pivoting of the screening device is provided according to a preferred embodiment, the invention can also be realized by a horizontal movement of the screening device from the operating state or by a vertical lowering thereof. In these cases, the screening device can in particular carry the stator knife detached from the housing of the crusher (or the knife receptacle attached to it), without this having to be connected by fastening means to the screening device, or such fastening means need only be designed to To prevent slippage of the stator blade during the movement from the operating state to the maintenance state.
  • the at least one stator blade can be releasably secured in a stator knife receptacle which is mounted in or on the at least one screening device, in particular by welding or screwing, or which is mounted in or on the housing of the comminution device, in particular by welding or screwing is.
  • a stator knife receptacle which is mounted in or on the at least one screening device, in particular by welding or screwing, or which is mounted in or on the housing of the comminution device, in particular by welding or screwing is.
  • the actual mechanical storage of the stator blade or both by the housing of the crushing device as well as by a frame o. ⁇ .
  • the rigidity of the crushing device can be increased.
  • an optionally required repair of the knife holder can be facilitated.
  • the at least one stator blade can be detachably connected to the housing and / or the at least one screening device via connecting means which are designed to be manually or electrically operated by a maintenance person for fastening the at least one stator blade to the housing and / or or the at least one screening device or for releasing the at least one stator blade from the housing and / or to be served by the at least one screening device.
  • These connecting means may comprise the above-mentioned housings for stator knives. Likewise, they may contain screw connections, connectors, etc. In particular, they can contain electrical actuatable compounds via appropriate servomotors. Thus, the maintenance comfort can be further increased.
  • the screening device of the crushing device is adapted to pivot from the operating state to the maintenance state by an angle of between 10 ° and 180 °, in particular 40 ° to 60 °, in a direction (or to be pivoted), the the direction of rotation of the at least one rotor in the operating state is opposite or the same direction.
  • the angle is measured according to the rotation about an axis at a hinged end of the screening device or according to an angular distance of one end of the screening device from the position in which this end is connected in the operating state with the in this state connected to the crushing device stator knives (see also description regarding FIG. 1 below).
  • the crushing device may further comprise, according to an example, a hydraulic drive device configured to pivot the at least one screening device from the operating state of the crushing device to the maintenance state.
  • a hydraulic drive device configured to pivot the at least one screening device from the operating state of the crushing device to the maintenance state.
  • the sieve device of the crushing device at least partially surround the at least one rotor. This ensures efficient, safe material discharge with classification by the sieves.
  • the at least one screening device releases at least a part of the at least one rotor in the maintenance state, so that a maintenance person in the maintenance state has free access to at least one rotor blade or rotor tooth mounted on the at least one rotor.
  • the at least one screening device may have the geometric shape of a segment of an ellipsoid. So it may for example have the shape of a part of a cylinder or cylinder jacket or a ball or a ball shell.
  • the at least one stator blade and the at least one screening device may advantageously be fastened to one another by a securing screw. As a result, a displacement of the stator blade relative to the screening device during the movement from the operating state to the maintenance state can be prevented.
  • the present invention provides a screening device for a comminuting device which comprises at least one stator knife, in particular a screening device for one of the above-described refinements of the inventive comminution device, the screening device comprising detachable connecting means, which are adapted to connect the screening device with one or more Statormessern the crushing device.
  • a screening device can be replaced as a whole and can also be used to upgrade existing crushers, in particular if it is desired that the at least one stator blade be stored in a receptacle which is integrated in the screening device.
  • the comminution device comprises at least one rotor 1 with rotor blades 2 and a stator blade 3 (ie a striker 3), see also FIG. 1b and 1c ,
  • this crushing device comprises a screening device 4.
  • the stator blade 3 is connected to the screening device 4 in the operating state. More specifically, connecting means are provided between the stator blade 3 and the casing of the crushing device and between the stator blade 3 and the screen device 4.
  • stator blade 3 when pivoting the screen device 4 in the maintenance state ie when pivoting the end of the screening device 4, which is connected in the operating state with the stator blade 3, away from the crushing device, remain connected to the screening device 4 via connecting means, as it in FIG. 1b is shown, or remain attached to the housing of the crushing device, as shown in Figure 1c is shown.
  • connection / attachment of the stator blade 3 optionally remains (by selecting a maintenance person) in the maintenance state. It may also be provided in a simplified embodiment that a support of the stator blade 3 and the sieve device 4 to each other in each state (maintenance or operating state) without any choice by a maintenance person remains.
  • the screening device 4 can be hinged at one end to the housing of the comminution device via an axle or a joint, etc.
  • stator blade can be installed in a device that is slidable.
  • FIG. 2 An example of the state-of-operation configuration of the screen, stator blade and housing is in the longitudinal sectional view (axial direction of the crushing device) of FIG FIG. 2 shown.
  • Stator knife 3 and sieve 4 are supported on each other.
  • the stator blade 3 is in direct contact with the housing 5 in this example.
  • the configuration is secured as follows.
  • a screw 6 is screwed through a bore of the screen device 4 and a bore of the stator blade 3 into a thread provided in the housing 5, thus securing said components to each other.
  • Another screw 7 is used to attach the stator blade 3 to the housing 5 and is screwed through a corresponding bore of the stator blade 3 into a thread provided in the housing 5.
  • a maintenance person can thus optionally loosen the screws 6 and 7 in order to move the screening device 4 together with the stator blade 3 into a maintenance state. Alternatively, it can loosen screw 6 without also loosening the screw 7 to move the screen 4 without the stator blade 3 to another maintenance condition. The stator blade 3 remains in this other maintenance condition of the screening device 4 connected to the housing 5 of the crushing device.
  • FIG. 2 In addition, a locking screw 8 is shown, which serves to secure the stator blade 3 on the screening device 4 during a movement of the screening device 4 in the first-mentioned maintenance condition. This locking screw 8 must also be released by the maintenance person if the screening device 4 without the stator blade 3 is to be moved away from the housing 5 into the above-mentioned other maintenance state.
  • FIG. 2 shown example can also find clamping parts use to secure using the mounting screw 7, the stator blade 3 on the housing 5 and to secure the stator blade 3 against slipping relative to the screening device 4 during a movement of the screening device 4 in the first-mentioned maintenance condition.
  • the comminuting device according to the invention comprises both single-shaft and multi-shaft shredders and in particular vertical shredders.
  • the crushing device according to the invention comprises Einwellengrobzerkleinerer, which can be preferably used for pre-crushing unsorted material.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)
  • Braking Arrangements (AREA)
  • Hydroponics (AREA)

Claims (12)

  1. Dispositif de broyage destiné à broyer des composants de matériaux, comprenant
    un carter (5) ;
    au moins un rotor (1) logé dans le carter (5) et sur lequel sont montés des couteaux de rotor ou dents de rotor (2) ;
    au moins un couteau de stator (3) pouvant s'appuyer sur le carter (5) ; et
    au moins un dispositif de criblage (4), qui peut être déplacé séparément, vers le bas ou de manière latérale par rapport au carter (5), d'un état de fonctionnement du dispositif de broyage dans un état d'entretien,
    dans l'état de fonctionnement, ledit au moins un couteau de stator (3) et ledit au moins un dispositif de criblage (4) étant appuyés l'un sur l'autre,
    caractérisé en ce que
    facultativement soit ledit au moins un dispositif de criblage (4), soit ledit au moins un dispositif de criblage (4) et ledit au moins un couteau de stator (3) peuvent être déplacés ensemble depuis l'état de fonctionnement dans l'état d'entretien.
  2. Le dispositif de broyage selon la revendication 1, dans lequel, dans l'état d'entretien du dispositif de criblage (4), ledit au moins un couteau de stator (3) est facultativement relié au carter (5) du dispositif de broyage.
  3. Le dispositif de broyage selon la revendication 1 ou 2, dans lequel ledit au moins un dispositif de criblage (4) peut pivoter de l'état de fonctionnement du dispositif de broyage dans l'état d'entretien.
  4. Le dispositif de broyage selon une des revendications 1 à 3, dans lequel, dans l'état de fonctionnement, ledit au moins un couteau de stator (3) est relié audit au moins un dispositif de criblage (4) et audit carter (5) du dispositif de broyage.
  5. Le dispositif de broyage selon une des revendications 1 à 4, dans lequel ledit au moins un couteau de stator (3) est fixé de manière amovible dans un logement de couteau de stator, monté dans ou sur ledit au moins un dispositif de criblage (4), en particulier par soudage, ou monté dans ou sur ledit carter (5) du dispositif de broyage, en particulier par soudage.
  6. Le dispositif de broyage selon une des revendications 1 à 5, dans lequel ledit au moins un couteau de stator (3) est relié de manière amovible audit carter (5) et/ou audit au moins un dispositif de criblage (4) par l'intermédiaire de moyens de liaison, conçus pour être commandés manuellement ou électriquement par une personne d'entretien en vue de solidariser ledit au moins un couteau de stator audit carter (5) et/ou audit au moins un dispositif de criblage (4) ou de désolidariser ledit au moins un couteau de stator dudit carter (5) et/ou dudit au moins un dispositif de criblage (4).
  7. Le dispositif de broyage selon une des revendications 1 à 6, dans lequel ledit au moins un dispositif de criblage (4) peut pivoter de l'état de fonctionnement dans l'état d'entretien, selon un angle compris entre 10° et 180°, dans un sens qui est opposé au sens de rotation dudit au moins un rotor (1) dans l'état de fonctionnement ou qui est égal à celui-ci.
  8. Le dispositif de broyage selon une des revendications 1 à 7, comprenant en outre un dispositif d'entraînement hydraulique, conçu pour faire pivoter ledit au moins un dispositif de criblage (4) de l'état de fonctionnement du dispositif de broyage dans l'état d'entretien.
  9. Le dispositif de broyage selon une des revendications 1 à 8, dans lequel, dans l'état de fonctionnement, ledit au moins un dispositif de criblage (4) entoure ledit au moins un rotor (1) au moins partiellement.
  10. Le dispositif de broyage selon la revendication 9, dans lequel, dans l'état d'entretien, ledit au moins un dispositif de criblage (4) libère au moins une partie dudit au moins un rotor (1) de manière que dans ledit état d'entretien, une personne d'entretien ait libre accès à au moins un couteau de rotor ou dent de rotor (2) montée sur ledit au moins un rotor (1).
  11. Le dispositif de broyage selon une des revendications 1 à 10, dans lequel ledit au moins un couteau de stator (3) et ledit au moins un dispositif de criblage (4) sont solidarisés l'un à l'autre par une vis de blocage (8).
  12. Dispositif de criblage pour un dispositif de broyage, comprenant au moins un couteau de stator (3) pouvant s'appuyer sur le carter (5) du dispositif de broyage, caractérisé en ce que le dispositif de criblage (4) comprend des moyens de liaisons amovibles, conçus pour relier le dispositif de criblage (4) à un ou plusieurs couteaux de stator (3) du dispositif de broyage.
EP07023275A 2007-11-30 2007-11-30 Désintégrateur de matériau Active EP2065091B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES07023275T ES2356297T3 (es) 2007-11-30 2007-11-30 Triturador de materiales.
DE502007006263T DE502007006263D1 (de) 2007-11-30 2007-11-30 Materialzerkleinerer
AT07023275T ATE494955T1 (de) 2007-11-30 2007-11-30 Materialzerkleinerer
EP07023275A EP2065091B1 (fr) 2007-11-30 2007-11-30 Désintégrateur de matériau
PCT/EP2008/009717 WO2009068202A1 (fr) 2007-11-30 2008-11-17 Dispositif de désagrégation de matière
US12/743,659 US8844849B2 (en) 2007-11-30 2008-11-17 Comminutor for material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07023275A EP2065091B1 (fr) 2007-11-30 2007-11-30 Désintégrateur de matériau

Publications (2)

Publication Number Publication Date
EP2065091A1 EP2065091A1 (fr) 2009-06-03
EP2065091B1 true EP2065091B1 (fr) 2011-01-12

Family

ID=39271667

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07023275A Active EP2065091B1 (fr) 2007-11-30 2007-11-30 Désintégrateur de matériau

Country Status (6)

Country Link
US (1) US8844849B2 (fr)
EP (1) EP2065091B1 (fr)
AT (1) ATE494955T1 (fr)
DE (1) DE502007006263D1 (fr)
ES (1) ES2356297T3 (fr)
WO (1) WO2009068202A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE102011016658A1 (de) 2011-04-01 2012-10-04 J. Willibald Gmbh Zerkleinerungsvorrichtung für kompostierbares Material

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FI123525B (fi) * 2012-01-30 2013-06-14 Bmh Technology Oy Murskain
DE102015205642A1 (de) * 2015-03-10 2016-09-15 Alexanderwerk Gmbh Vorrichtung zur Herstellung eines Granulats
US10898907B2 (en) * 2018-06-19 2021-01-26 Cedric Jean-Luc Vanderbeken Method and apparatus to remove contaminants from an organics waste stream and filtering light organics from fluids
CN107597407B (zh) * 2017-09-28 2024-04-16 碎得机械(北京)有限公司 一种破碎机用自动闭锁可拆卸式筛网
DK180024B1 (en) * 2018-05-14 2020-01-24 Siccadania A/S A food grating apparatus

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US4000860A (en) * 1975-11-13 1977-01-04 Leesona Corporation Size reduction apparatus
US4385732A (en) * 1980-08-29 1983-05-31 Williams Robert M Waste material breaking and shredding apparatus
DE3147634C2 (de) 1981-12-02 1984-12-13 Lindemann Maschinenfabrik Gmbh, 4000 Duesseldorf Papierzerkleinerer und Verfahren zum Betrieb
US5150844A (en) 1986-11-04 1992-09-29 Shanley And Baker Apparatus for size reduction of heavy solid waste materials
US5213273A (en) * 1990-05-21 1993-05-25 Lindemann Maschinenfabrik Gmbh Hammer mill
US5474239A (en) * 1994-04-25 1995-12-12 Williams Patent Crusher & Pulverizer Company Material shredding apparatus
US7766263B2 (en) * 2001-10-19 2010-08-03 Rapid Granulator Ab Granulator mill
US7021576B2 (en) * 2003-06-19 2006-04-04 Nuga AG Kunststoffschneidemühlen Blade mill for grinding plastic material
DE102005057345A1 (de) * 2005-12-01 2007-06-14 ThyssenKrupp Fördertechnik GmbH Zweirotoriger Schlagleistenbrecher
JP3936385B1 (ja) * 2006-09-28 2007-06-27 株式会社松井製作所 粉砕機
US7553225B2 (en) * 2007-05-23 2009-06-30 Cnh America Llc Knife blade covers for a rotary chopper element of an integral chopper assembly of a combine harvester for converting the integral chopper assembly to a beater construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011016658A1 (de) 2011-04-01 2012-10-04 J. Willibald Gmbh Zerkleinerungsvorrichtung für kompostierbares Material

Also Published As

Publication number Publication date
ES2356297T3 (es) 2011-04-06
WO2009068202A1 (fr) 2009-06-04
EP2065091A1 (fr) 2009-06-03
US20110259985A1 (en) 2011-10-27
US8844849B2 (en) 2014-09-30
ATE494955T1 (de) 2011-01-15
DE502007006263D1 (de) 2011-02-24

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