EP1583610A1 - Dispositif de broyage de contenants - Google Patents

Dispositif de broyage de contenants

Info

Publication number
EP1583610A1
EP1583610A1 EP04702256A EP04702256A EP1583610A1 EP 1583610 A1 EP1583610 A1 EP 1583610A1 EP 04702256 A EP04702256 A EP 04702256A EP 04702256 A EP04702256 A EP 04702256A EP 1583610 A1 EP1583610 A1 EP 1583610A1
Authority
EP
European Patent Office
Prior art keywords
cutting
knife
cutting knife
rotor shaft
feed opening
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.)
Withdrawn
Application number
EP04702256A
Other languages
German (de)
English (en)
Inventor
Alois Griessner
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
Original Assignee
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
Priority claimed from AT612003A external-priority patent/AT412386B/de
Priority claimed from AT12832003A external-priority patent/AT412387B/de
Application filed by Individual filed Critical Individual
Publication of EP1583610A1 publication Critical patent/EP1583610A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B02C18/16—Details
    • B02C18/18—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
    • 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
    • B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B02C18/083—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with a disc rotor having generally radially extending slots or openings bordered with cutting knives
    • 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
    • B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
    • B02C19/0081—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for specially adapted for breaking-up bottles
    • B02C19/0093—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for specially adapted for breaking-up bottles for plastic bottles

Definitions

  • the invention relates to a device for comminuting containers with low material thickness, in particular made of plastic or aluminum, with a grinding reactor in which a grinder with several comminution stages is arranged, wherein each comminution stage has at least one cutting blade, which is driven by a preferably approximately vertically arranged rotor shaft, which cooperates with at least one stationary counter knife, and wherein the containers can be fed through an end-side feed opening of the grinding reactor in the direction of the rotor shaft, at least one first cutting knife being arranged on the top side of the feed opening facing a cutting knife holder fixedly connected to the rotor shaft, the first cutting knife also interacts at least one fixed first counter knife, and wherein preferably the cutting edges of the first cutting knife and the first counter knife are arranged in a normal plane on the rotor shaft.
  • Plastic containers made of polyethylene are relatively difficult to shred due to the elasticity of the material, since the regrind always bounces back from rotor blades or clogs the grinder. This adversely affects the shredding performance and the throughput.
  • a device for crushing plastic containers with low material thickness, such as PET bottles, cups, foils or the like with a circular grinding reactor which has a feed opening on one end face to the plastic container in the direction of the Feed the rotor shaft passing through the grinding reactor axially to the grinding reactor.
  • Rotor blades with cutting knives are connected to the rotor shaft, which interact with counter knives fixed to the housing.
  • pre-comminution is effected by cutting edges arranged in the radial direction, while in the circumferential region, axially arranged cutting edges further comminute the pre-comminuted containers that migrate outward due to the circumferential force.
  • the rotor shaft is arranged essentially horizontally.
  • a device for shredding waste in which a grinder is arranged with two shredding stages, each shredding stage having a plurality of cutting knives driven by a vertically arranged rotor shaft, which interact with at least one stationary baffle plate.
  • a first cutting knife is arranged on the top of a cutting knife carrier designed as a knife disk.
  • the clippings enter the lower space of the knife housing through passage slots in the knife disc and are conveyed into the ejection channel by ejection vanes arranged on the underside of the knife carrier disc. In particular if the passage slots are blocked, the size reduction and the throughput are not satisfactory.
  • AT 368.405 B describes a device for compacting and agglomerating plastic waste, which has a grinder with several comminution stages. Due to the compression and agglomeration, the device has a rather modest performance.
  • the object of the invention is to avoid these disadvantages and to provide a device for shredding containers made of plastic or aluminum, with which a good shredding performance and a high throughput can be achieved.
  • the cutting knife carrier is designed as a fan wheel, at least one first cutting knife being arranged in the region of a front edge of a fan blade of the fan wheel, based on the direction of rotation.
  • At least one second cutting knife is arranged on the underside of the cutting knife holder facing away from the feed opening and interacts with at least one second fixed counter knife, the cutting edges of the second cutting knife and the second counter knife preferably being arranged in a normal plane on the rotor shaft.
  • the second cutting knife is used to shred the shredded material down to the desired granulate size.
  • At least a third cutting knife preferably formed by a cutting bracket, is firmly connected to the rotor shaft and arranged in the grinding chamber between the feed opening and the cutting plate, the third cutting knife interacting with at least one stationary counter knife, and preferably the cutting edges of the third cutting knife and the third counter knife are arranged at an angle> 0 °, preferably between 30 ° and 60 °, inclined to a normal plane on the rotor shaft.
  • the third cutting knives pre-shred the containers into the grinding reactor and thus reach the cutting knife holder as coarsely shredded goods. It is particularly advantageous if the first and the third counter knife are formed by the same part, preferably by a radial plate of the rib.
  • the rotating cutting brackets also prevent the containers from jamming and support the conveying of the containers into the grinding chamber.
  • a fixed sieve plate is arranged in the grinding reactor on the side of the cutting knife carrier facing away from the feed opening, the second counter knife preferably being fastened on the side of the sieve plate facing the cutting plate. The final size of the cut granules is determined through the openings in the sieve plate.
  • FIG. 1 shows the device according to the invention in a longitudinal section
  • FIG. 3 shows a fan blade in a section along the line III-III in FIG. 2,
  • Fig. 5 shows a fan wheel in a section along the line V-V in Fig. 2 and
  • FIG. 6 shows the device in a section along the line VI-VI in FIG. 1st
  • the device 1 shown in the figures for comminuting containers 2 made of plastic or aluminum has a grinding reactor 3, in which a Grinder 11 with a plurality of comminution stages A, B, C are provided, the comminution stage A being a pre-comminution stage and the comminution stages B and C being main or post-comminution stages.
  • the comminution stage B consists of a first cutting knife 6 arranged on the upper side 4a of the cutting knife carrier 4, which cooperate with a fixed counter knife 8 fixed to the housing.
  • the comminution stage C consists of second cutting knives 10 arranged on the underside 4b of the cutting knife holder 4, which interact with fixed second counter knives 12.
  • the second counter knives 12 are fastened on a sieve plate 13 fixed to the housing below the cutting plate 4.
  • the comminution stage A has third cutting knives 15 which are formed by a cutting bracket 16 which is fixedly connected to the rotor shaft 20.
  • the third cutting knife 15 cooperate with a stationary third counter knife 17.
  • the cutting edges 15a and 17a of the cutting knife 15 and counter knife 17 are arranged at an angle ⁇ between 30 ° and 60 ° to the normal plane 7 on the rotor shaft 20.
  • the first and third counter-knives 8, 17 are formed by the same part 9 fixed to the housing, namely by a radial plate or rib.
  • the cutting edges 6a, 10a of the first and second cutting knives 6, 10 fastened on the cutting plate 4, and the cutting edges 8a, 12a of the fixed first and second counter knives 8, 12 are each arranged in a normal plane 7 on the rotor axis 20.
  • the cutting knife carrier 4 divides the grinding chamber 19 into an upper grinding chamber 19a and a lower grinding chamber 19b.
  • the rotor axis 20 is driven by a drive unit 21, in the exemplary embodiment consisting of a drive motor 22 and a toothed belt 23.
  • the container 2 is fed via a feed opening 18 on an upper end face of the grinding reactor 3 and arrives in the grinding chamber 19, where the third cutting knife 15 of the cutting bracket 16 pre-comminutes.
  • the coarsely shredded pieces fall on the cutting knife carrier 4 due to their own weight and are further shredded by the first cutting knives 6.
  • the pre-shredded pieces are sucked through the fan blades 41 of the cutting knife holder 4 designed as a fan wheel 42 and conveyed into the lower grinding chamber 19b, which forms a re-shredding chamber, between the cutting knife holder 4 and the sieve plate 13.
  • the fan blades 41 have an airfoil profile, the thickness s being greater in the region of the front edge 42 than in the region of the rear edge 43, as shown in FIG. 3, in order to rapidly blow on the - b -
  • the piece goods are comminuted so far that they fall through the sieve openings 13a of the sieve plate 13 into the granulate space 25 and the finished granulate 14 leaves the grinding reactor 3 via the outlet opening 26 ,
  • the material to be ground is conveyed in the grinding reactor 3 by gravity, supported by the fan action of the fan wheel 40.
  • the three shredding stages A, B, C with differently arranged cutting knives 6, 10, 15 can achieve a high shredding performance with excellent throughput.

Landscapes

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

Abstract

L'invention concerne un dispositif (1) permettant de broyer des contenants (2) de faible épaisseur, constitués en particulier de plastique ou d'aluminium. Ce dispositif comprend un réacteur de pulvérisation (3) dans lequel est disposé un mécanisme de pulvérisation (24) comportant plusieurs étages de broyage (A, B, C). Chaque étage de pulvérisation (A, B, C) comporte au moins une lame tranchante (6, 10, 15) qui est entraînée par un arbre rotor (20) disposé de manière sensiblement verticale et qui coopère avec au moins une contre-lame stationnaire (8, 12, 17). Les contenants (2) sont introduits par une ouverture d'admission (18) située côté face du réacteur de pulvérisation (3), en direction de l'arbre rotor (20). Au moins une première lame tranchante (6) est disposée sur la face supérieure (4a) d'un porte-lame tranchante (4) solidement relié à l'arbre rotor (20), cette face supérieure étant orientée vers l'ouverture d'admission (18). Ladite première lame tranchante (6) coopère avec au moins une première contre-lame stationnaire (8). De préférence, les arêtes tranchantes (6a, 8a) de la première lame tranchante (6) et de la première contre-lame (8) sont disposées sur l'arbre rotor (20) dans un plan perpendiculaire (7). Il est possible d'atteindre un rendement et des performances de broyage élevés lorsque le porte-lame tranchante (4) se présente sous la forme d'une roue de soufflante (40), au moins une lame tranchante (6) étant disposée dans la zone d'une arête avant (42) (par rapport au sens de rotation) d'une ailette (41) de la roue de soufflante (40).
EP04702256A 2003-01-17 2004-01-15 Dispositif de broyage de contenants Withdrawn EP1583610A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AT612003 2003-01-17
AT612003A AT412386B (de) 2003-01-17 2003-01-17 Vorrichtung zum zerkleinern von gebinden
AT12832003A AT412387B (de) 2003-08-14 2003-08-14 Vorrichtung zum zerkleinern von gebinden
AT12832003 2003-08-14
PCT/AT2004/000006 WO2004065013A1 (fr) 2003-01-17 2004-01-15 Dispositif de broyage de contenants

Publications (1)

Publication Number Publication Date
EP1583610A1 true EP1583610A1 (fr) 2005-10-12

Family

ID=32772482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04702256A Withdrawn EP1583610A1 (fr) 2003-01-17 2004-01-15 Dispositif de broyage de contenants

Country Status (2)

Country Link
EP (1) EP1583610A1 (fr)
WO (1) WO2004065013A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014001170A1 (de) * 2013-05-28 2014-12-04 AMTEC Anlagen- und Maschinen- Technik Düren GmbH Vorrichtung zum Bearbeiten von Werkstücken, insbesondere Vorrichtung zum Zerkleinern von Behältern sowie Verfahren zum Zerkleinern von Behältern
DK179613B1 (en) * 2017-09-09 2019-02-28 Total Entreprise MOBILE HOUSEHOLD WASTE SHREDDER FOR CARTON / CARDBOARD AND PLASTIC REFUSE
CN107755043B (zh) * 2017-11-08 2024-05-28 贵州大学 煤矿的煤炭粉碎装置
CN111359733A (zh) * 2020-02-28 2020-07-03 徐州市金鑫科技有限公司 一种高效环保碎粒机及其工作方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987970A (en) * 1975-06-16 1976-10-26 Burkett Albert L Centrifugal mill
DE2839446C2 (de) * 1978-09-11 1980-09-25 Thyssen Industrie Ag, 4300 Essen Vorrichtung zum Verdichten und Agglomerieren von Kunststoffabfällen
US5192029A (en) * 1990-02-05 1993-03-09 Universal Entech Gyroscopic centrifuge and mill apparatus and method of use for treatment of solid waste products
AT401892B (de) * 1995-03-27 1996-12-27 Walchshofer Josef Zerkleinerungsanlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004065013A1 *

Also Published As

Publication number Publication date
WO2004065013A1 (fr) 2004-08-05

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