EP3437741A1 - Zerkleinerungsvorrichtung mit regelbarem selbsteinzug - Google Patents

Zerkleinerungsvorrichtung mit regelbarem selbsteinzug Download PDF

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Publication number
EP3437741A1
EP3437741A1 EP17184668.6A EP17184668A EP3437741A1 EP 3437741 A1 EP3437741 A1 EP 3437741A1 EP 17184668 A EP17184668 A EP 17184668A EP 3437741 A1 EP3437741 A1 EP 3437741A1
Authority
EP
European Patent Office
Prior art keywords
shaft
crushing
comminution
cutting
chamber wall
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.)
Pending
Application number
EP17184668.6A
Other languages
German (de)
English (en)
French (fr)
Inventor
Manuel Lindner
Peter Schiffer
Mario Fritz
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
Application filed by Individual filed Critical Individual
Priority to EP17184668.6A priority Critical patent/EP3437741A1/de
Priority to CN201880046135.8A priority patent/CN110891688A/zh
Priority to KR1020207003235A priority patent/KR102406759B1/ko
Priority to US16/636,311 priority patent/US11517911B2/en
Priority to PCT/EP2018/070364 priority patent/WO2019025297A1/de
Priority to JP2020502371A priority patent/JP2020529305A/ja
Priority to BR112019027841-9A priority patent/BR112019027841A2/pt
Publication of EP3437741A1 publication Critical patent/EP3437741A1/de
Pending 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
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B02C18/2225—Feed means
    • B02C18/2233—Feed means of ram or pusher type
    • 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
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • 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
    • B02C18/22—Feed or discharge means
    • B02C18/2225—Feed means
    • B02C18/2291—Feed chute arrangements
    • 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
    • B02C2018/162—Shape or inner surface of shredder-housings
    • 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
    • B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage

Definitions

  • the invention relates to a crushing device having a feed opening for feeding material to be comminuted, a comminution shaft for comminuting the supplied material, and a cutting space arranged between the feed opening and the comminution shaft, which is delimited by a cutting space wall.
  • a conventional crusher comprises in a cutting room a rotor unit which comprises one or more comminution shafts equipped with pull hooks or knives.
  • 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 crushing shaft.
  • the comminution of the discontinued material takes place between the knives rotating with the comminution shaft and stationary ones, i. non-rotating counter knives (stator knives, scraper combs).
  • the rotor unit is driven by a motor (e.g., engine / electric motor).
  • a conventional crusher may also include an urging means by means of which the discontinued material is forced towards the rotating rotor. After crushing between the rotating knives and the counter knives, the material may be discharged through a screening device (if present), which determines the crushing factor in accordance with the size of the screen, and conveyed by means of a conveyor belt, a screw conveyor, a chain conveyor or an exhaust system. Still too much material passes through the rotation back into the cutting room.
  • a screening device if present
  • At least one flat cutting space wall bounding the cutting space on one side is provided in connection with a pressing system urging the material toward the rotor or counter blade, respectively.
  • a pressing system urging the material toward the rotor or counter blade, respectively.
  • This can be, for example, a kind of slide or a screw conveyor.
  • Flat means that the cutting chamber wall near the crushing shaft has a small angle (for example within ⁇ 20 °) with respect to the horizontal.
  • the advantage here is that by reducing the contact pressure of the pusher and difficult to crush materials can be crushed without the machine comes to a standstill due to overload.
  • the disadvantage here however, that the throughput of the machine in the time in which the pusher moves back, decreases sharply.
  • a great force and thus also energy expenditure of the remover is necessary in order to be able to achieve high throughput rates.
  • the throughput rate of a material averaged over a predetermined time can be designated without reprints.
  • the advantage here is a more constant throughput / throughput rate, since the material permanently slips to the cutting area.
  • One disadvantage is that crushing of difficult to crush (e.g., solid and / or coarse) materials is not possible, or only by increased energy input of the rotor, or a permanent low dosage of the feed material.
  • the object of the invention is at least to mitigate the disadvantages in the case of a steep cutting room wall with self-closing of the material.
  • the shredding device according to the invention is suitable for wastes as described above in connection with the prior art.
  • the object is achieved by a crushing device according to claim 1.
  • the crushing device comprises a feed opening for feeding material to be comminuted, a comminution shaft for comminuting the supplied material, and a cutting space arranged between the feed opening and the comminution shaft, which is delimited by a cutting space wall.
  • the crushing device according to the invention is characterized in that the cutting chamber wall is pivotable.
  • the crushing device according to the invention thus has the advantage that the self-feeding of the supplied material to the comminution shaft based on dead weight can be regulated by pivoting the cutting space wall.
  • the waste chopping device according to the invention can be developed as follows.
  • the at least one cutting chamber wall can be pivotable during the operation of the comminution device, in particular automatically controlled pivotable. Additionally or alternatively, the at least one cutting chamber wall outside the operation of the crushing device can be pivoted, in particular be manually pivotable.
  • the cutting space wall can be pivotable about a pivot axis parallel or substantially parallel to a rotation axis of the comminution shaft, in particular wherein the pivot axis can be provided at a lower end of the cutting space wall.
  • substantially parallel means that the angle between the direction (or the direction vector) of the rotation axis of the crushing shaft and the direction (or direction vector) of the pivot axis is 10 ° or less, preferably 5 ° or less, most preferably 2 ° or less is.
  • the angle between the axes is thus also defined for skewed axes as an angle between the directional vectors.
  • the cutting chamber wall can be arranged close to the comminution shaft and / or the feed of the comminuting shaft takes place uniformly along the axis or along the comminuting shaft.
  • the crushing device may further comprise a pressing means for pressing the material to be crushed to the crushing shaft.
  • the pressing device With the pressing device, the material to be crushed can be temporarily pressed with an increased pressure to the crushing shaft in order to increase the throughput.
  • the pressing device can be pivotable together with the cutting chamber wall. This has the advantage that the relative position of the pressing device with respect to the cutting chamber wall is maintained (constant) during a pivoting of the cutting chamber wall.
  • the pressing device can be rotatable about an axis of rotation, in particular the axis of rotation can be parallel or substantially parallel to the pivot axis but offset from it.
  • substantially parallel means that the angle between the direction (or the direction vector) of the rotation axis and the direction (or the direction vector) of the pivot axis is 10 ° or less, preferably 5 ° or less, most preferably 2 ° or less.
  • the cutting space wall can have a cylindrical section, and the axis of rotation of the pressing device can be arranged in the center axis of the cylinder. In this way, it is possible for the pressing device to have a constant distance from the cutting chamber wall during the rotation of the pressing device relative to the cutting chamber wall.
  • the comminution device may further comprise a control device for setting a pivoting angle of the cutting chamber wall.
  • the pivoting angle during operation of the crushing device can be automatically adapted to the material to be shredded.
  • control device controls the pivoting angle during operation of the comminution device depending on a load applied to the comminuting shaft and / or a torque applied to the comminuting shaft and / or a current supplied to an electric motor driving the comminuting shaft, and / or a hydraulic pressure supplied to a hydraulic motor driving the crushing shaft, and / or an operating state (eg, rotational speed) of an internal combustion engine driving the crushing shaft, in particular wherein the pivoting angle is set so that the self-closing at a Increased load and / or torque and / or current and / or hydraulic pressure is reduced.
  • the comminution device has a feed opening, a comminution shaft, and a cutting space arranged between the feed opening and the comminution shaft, which is delimited by a cutting space wall.
  • the method comprises the steps of feeding material to be shredded into the feed opening and shredding the input material with the shredding shaft, the method being characterized by pivoting the cutting chamber wall to control the self-weight based self-feeding of the fed material to the shredding shaft.
  • the pivoting of the at least one cutting chamber wall can take place during the operation of the comminution device, in particular by an automatically controlled pivoting; or the pivoting of the at least one cutting chamber wall can take place outside the operation of the comminution device, in particular by manual pivoting.
  • the inventive method can be further developed by the step of pressing the material to be crushed to the crushing shaft.
  • Another development consists in that the following further step can be provided: adjusting the pivoting angle during operation of the crushing device depending on a voltage applied to the crushing shaft load and / or applied to the crushing shaft torque and / or a current strength, the one crushing the shaft driving electric motor is supplied, and / or a hydraulic pressure, which is supplied to a comminution shaft driving hydraulic motor, and / or an operating condition of an internal combustion engine, which drives the crushing shaft.
  • the pivoting angle can be adjusted so that the self-closing is reduced with an increase in the load and / or the torque and / or the current intensity and / or the hydraulic pressure.
  • FIG. 1 shows a first embodiment of the crushing device according to the invention.
  • FIG. 1 1 shows a crushing apparatus 100 having a feed opening 10 for feeding material to be crushed, a crushing shaft 20 for crushing the feed material, and a cutting space 30 disposed between the feed opening 10 and the crushing shaft 20, which is shown by cutting space walls (only a cutting space wall 40a and a cutting space wall 40b, the two end walls are not shown) is limited.
  • the cutting chamber wall 40a is pivotable during the operation of the comminution device 100.
  • the Cutting space wall 40a is formed here only by way of example at least partially as a flat wall. In this first embodiment, however, a differently shaped cutting chamber wall can be used (as well as the cylindrical shape according to the second embodiment described below).
  • the cutting chamber wall 40a is pivotable about the pivot axis 41 in this embodiment.
  • the pivot axis 41 is parallel to the axis of rotation 25 of the comminuting shaft 20.
  • the comminuting shaft 20 has rotor blades 21.
  • In the cutting chamber 30 are in addition to the crushing shaft 20 (it can also be provided several crushing shafts 20) and fixed counter blade 80. By the rotation of the crushing shaft 20 about the rotation axis 25, the material between the rotor blades 21 and the counter knives 80 is crushed.
  • an optional sieve 60 it can be determined below which size the shredded material can leave the cutting space 30. The sieve 60 then represents the lower boundary of the cutting space 30.
  • FIG. 1 is a first position I, in which the cutting space wall 40a is arranged at a steep angle, and a second position II, in which the cutting space wall 40a is arranged at a shallow angle.
  • position I the self-closing of the material due to its own weight is greater than in position II.
  • position II the throughput of the crushing device can be controlled.
  • an adaptation to the material to be shredded done.
  • a shallower angle can be set to reduce the replenishment of the material.
  • a control device 50 is provided for adjusting a pivoting angle of the cutting chamber wall 40a.
  • the control device 50 adjusts the pivot angle during operation of the comminution device 100 in dependence on a load applied to the comminution shaft 20 and / or a torque applied to the comminution shaft 20 and / or a current supplied to an electric motor driving the comminution shaft 20.
  • the pivoting angle is adjusted so that the self-closing is reduced with an increase of the load and / or the torque and / or the current, so that the angle of the cutting chamber wall 40a relative to the horizontal is reduced / flatter.
  • FIG. 2 shows a second embodiment of the crushing device according to the invention.
  • the second embodiment of the comminuting device 200 further comprises a pressing device 90 for pressing the material to be comminuted onto the comminution shaft 20.
  • the cutting space wall 40a is at least partially cylindrical in shape.
  • the pressing device 90 is rotatable about a rotation axis 91.
  • This axis of rotation 91 also represents the axis of symmetry of the cylindrical portion of the cutting chamber wall 40a.
  • the rear cutting chamber wall consists of two axially adjacent parts 40c and 40d (which are for example perpendicular to the axis of rotation 91), the part 40d being connected to the cutting space wall 40a and together with the cutting space wall 40a is pivoted.
  • FIG. 2A is a sectional view of the crushing device, wherein the pressing device 90 is shown in a raised position.
  • FIG. 2B is the pressing device 90 in a lowered position and presses the material to be crushed to the crushing shaft 20th
  • FIGS. 2C and 2D show the corresponding positions of the pressing device 90, but wherein the unit of cutting chamber wall 40a and pressing device 90 is pivoted about the pivot axis 41, so that the cutting chamber wall 40a is steeper and thus a larger self-closing is effected.
  • FIGS. 2E and 2F show perspective views of Figures 2C or 2B. However, since these are also sectional views, the front cutting space wall (which, like the rear cutting space wall 40c, 40d, consists of two parts) is not shown.
  • the cutting space wall 40a is not rigid, but pivotable, whereby the Diseinyak can be changed during operation.
  • the controller 50 detects how much self-closing is optimal for the current material.
  • the comminution device 100 becomes more flexible because it can be adjusted to the widest variety of materials.
  • a more constant comminution results thereby increasing the throughput.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)
EP17184668.6A 2017-08-03 2017-08-03 Zerkleinerungsvorrichtung mit regelbarem selbsteinzug Pending EP3437741A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP17184668.6A EP3437741A1 (de) 2017-08-03 2017-08-03 Zerkleinerungsvorrichtung mit regelbarem selbsteinzug
CN201880046135.8A CN110891688A (zh) 2017-08-03 2018-07-26 具有可控制拉入机构的粉碎装置
KR1020207003235A KR102406759B1 (ko) 2017-08-03 2018-07-26 제어 가능한 인입 메커니즘을 가진 분쇄 디바이스
US16/636,311 US11517911B2 (en) 2017-08-03 2018-07-26 Comminution device with controllable pull-in mechanism
PCT/EP2018/070364 WO2019025297A1 (de) 2017-08-03 2018-07-26 Zerkleinerungsvorrichtung mit regelbarem selbsteinzug
JP2020502371A JP2020529305A (ja) 2017-08-03 2018-07-26 制御可能なプルイン機構を有する粉砕装置
BR112019027841-9A BR112019027841A2 (pt) 2017-08-03 2018-07-26 dispositivo de trituração, e, método para operar um dispositivo de trituração.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17184668.6A EP3437741A1 (de) 2017-08-03 2017-08-03 Zerkleinerungsvorrichtung mit regelbarem selbsteinzug

Publications (1)

Publication Number Publication Date
EP3437741A1 true EP3437741A1 (de) 2019-02-06

Family

ID=59522988

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17184668.6A Pending EP3437741A1 (de) 2017-08-03 2017-08-03 Zerkleinerungsvorrichtung mit regelbarem selbsteinzug

Country Status (7)

Country Link
US (1) US11517911B2 (ko)
EP (1) EP3437741A1 (ko)
JP (1) JP2020529305A (ko)
KR (1) KR102406759B1 (ko)
CN (1) CN110891688A (ko)
BR (1) BR112019027841A2 (ko)
WO (1) WO2019025297A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112657640A (zh) * 2020-12-07 2021-04-16 李庆范 一种饲料加工用固态原料粉碎设备
US11931743B2 (en) * 2021-02-19 2024-03-19 Amertechtowerservices, Llc Method and apparatus for shredding cooling tower debris

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US5248100A (en) * 1991-07-22 1993-09-28 Kurimoto, Ltd. Crusher with rotor for shearing
EP1371420A1 (de) * 2002-06-12 2003-12-17 Lindner-Recyclingtech GmbH Zerkleinerungsmaschine zum Verkleinern von Material
WO2010094306A1 (de) * 2009-02-17 2010-08-26 Lindner-Recyclingtech Gmbh Zerkleinerungsvorrichtung
WO2011092588A1 (en) * 2010-01-29 2011-08-04 Colombo Giovanni SRL Preliminary crushing device and relative method
EP2857101A1 (de) * 2013-10-01 2015-04-08 Manuel Lindner Zerkleinerungsvorrichtung mit Wartungsklappe

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5248100A (en) * 1991-07-22 1993-09-28 Kurimoto, Ltd. Crusher with rotor for shearing
EP1371420A1 (de) * 2002-06-12 2003-12-17 Lindner-Recyclingtech GmbH Zerkleinerungsmaschine zum Verkleinern von Material
WO2010094306A1 (de) * 2009-02-17 2010-08-26 Lindner-Recyclingtech Gmbh Zerkleinerungsvorrichtung
WO2011092588A1 (en) * 2010-01-29 2011-08-04 Colombo Giovanni SRL Preliminary crushing device and relative method
EP2857101A1 (de) * 2013-10-01 2015-04-08 Manuel Lindner Zerkleinerungsvorrichtung mit Wartungsklappe

Also Published As

Publication number Publication date
WO2019025297A1 (de) 2019-02-07
BR112019027841A2 (pt) 2020-07-07
US20200306764A1 (en) 2020-10-01
US11517911B2 (en) 2022-12-06
KR102406759B1 (ko) 2022-06-08
KR20200043981A (ko) 2020-04-28
JP2020529305A (ja) 2020-10-08
CN110891688A (zh) 2020-03-17

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