EP3799961A2 - Broyeur à arbres - Google Patents

Broyeur à arbres Download PDF

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Publication number
EP3799961A2
EP3799961A2 EP20202224.0A EP20202224A EP3799961A2 EP 3799961 A2 EP3799961 A2 EP 3799961A2 EP 20202224 A EP20202224 A EP 20202224A EP 3799961 A2 EP3799961 A2 EP 3799961A2
Authority
EP
European Patent Office
Prior art keywords
shredding
shaft
shafts
shredder
shaft shredder
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.)
Granted
Application number
EP20202224.0A
Other languages
German (de)
English (en)
Other versions
EP3799961B1 (fr
EP3799961C0 (fr
EP3799961A3 (fr
Inventor
Walter Geiger
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.)
Kompoferm GmbH
Original Assignee
Kompoferm 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 Kompoferm GmbH filed Critical Kompoferm GmbH
Priority to PL20202224.0T priority Critical patent/PL3799961T3/pl
Priority to ES20202224T priority patent/ES2974979T3/es
Priority to EP20202224.0A priority patent/EP3799961B1/fr
Publication of EP3799961A2 publication Critical patent/EP3799961A2/fr
Publication of EP3799961A3 publication Critical patent/EP3799961A3/fr
Application granted granted Critical
Publication of EP3799961B1 publication Critical patent/EP3799961B1/fr
Publication of EP3799961C0 publication Critical patent/EP3799961C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B02C18/22—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
    • B02C18/24—Drives
    • 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
    • B02C2018/147—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers of the plural stage type

Definitions

  • the invention relates to a shaft grinder, in particular a twin-shaft grinder, according to the preamble of claim 1.
  • Corresponding wave shredders are, for example, from EP 3 248 687 A1 known.
  • the known shaft shredder is a twin-shaft shredder and has shredding shafts with shredding tools located on them, surrounding the shaft in the circumferential direction and spaced apart in the axial direction.
  • the two shafts are arranged with axes of rotation running parallel to one another in such a way that they mesh with one another in that the crushing tools of one shaft dip into the spaces between the crushing tools of the other shaft.
  • the known shaft shredder has a shredding unit which defines a shredding area in which the shredding shafts can grasp the supplied material to be shredded. This is spatially differentiated from a so-called material feed area, which, when the shafts are arranged horizontally, usually adjoins the shredding unit in relation to the direction of gravity, namely above, the shredding area of the shredding unit.
  • a material feed area usually has a number of side walls - often converging in a funnel shape.
  • the present invention is therefore based on the object of specifying a wave crusher of the type mentioned at the beginning, in which the disadvantages outlined are avoided or at least reduced.
  • a shaft shredder has a machine frame and a shredding unit.
  • the latter comprises at least one shredding shaft mounted in it and driven by a drive.
  • a material feed area is formed adjacent to the shredding unit and comprises a plurality of side walls. This material feed area is to be understood in particular to mean that it lies outside the coverage area of the shredding unit or the shredding shaft.
  • the comminution area can be arranged above or above the at least one comminution shaft in relation to the direction of gravity.
  • a side wall within the meaning of the invention can initially be any component that is suitable for laterally delimiting the material feed area. First of all, it doesn't matter whether such a side wall is arranged vertically or runs approximately obliquely to the horizontal.
  • a component which is commonly referred to as a tilting hopper can also be a side wall within the meaning of the invention, provided that this tilting hopper delimits the material feed area.
  • At least one side wall which is arranged at the end face in relation to the axial direction of the shredding shaft, can be brought into a maintenance position, in particular foldable or displaceable.
  • Front side walls are those walls which are not arranged parallel to the longitudinal sides of a shredding shaft, but transversely to the longitudinal extent of the shredding shaft, in particular in the area of its end sections, and in particular essentially above the shredding shaft.
  • the coupling areas including those areas in which the shredding shaft is coupled to a coupling section on the machine side, are exposed.
  • the bearing and / or coupling areas of the at least one shredding shaft are accessible.
  • the at least one shredding shaft can be dismantled from the shredding housing in a predominantly vertical direction by means of a releasable, form-fitting coupling, in particular a screwable flange coupling, at each end of the shredding shaft and the bearings of the shafts remain on or in the shredding housing.
  • a releasable, form-fitting coupling in particular a screwable flange coupling
  • a wall of the material feed area is designed as a tilting funnel that at least partially covers the drive of the shredding shaft (at least in the position of use).
  • a wall in particular the one designed as a tilting funnel, can be moved, in particular displaced, in particular at least substantially horizontally, so that the space for the releasable, form-fitting coupling is released for maintenance purposes.
  • one of the side walls of the material feed area can be moved, in particular pivoted or essentially shifted horizontally, so that the space for the releasable, form-fitting coupling is released for maintenance purposes. All of these measures ensure that no existing side walls have to be removed in order to carry out maintenance work or to remove a shredding shaft.
  • At least one re-shredding tool in particular a breaker bar or screen basket, can be arranged below or below the at least one shredding shaft, in particular in relation to the direction of gravity.
  • the re-shredding tool can preferably be raised or lowered essentially in the vertical direction, in particular in relation to the direction of gravity. Raising or lowering has the advantage, on the one hand, that mechanical adjustments can be made to the material to be shredded if necessary. On the other hand, it is possible to move the re-shredding tool away from the shredding shafts for maintenance purposes.
  • the re-shredding tool can be moved out of the shaft shredder after it has been lowered.
  • the re-shredding tool can be moved out of the machine frame approximately laterally in the manner of a drawer.
  • the device can also be designed in such a way that it provides this on the end face of the wave crusher.
  • the shaft shredder preferably has inspection flaps which are located below or below the shredding shafts and make the subsequent shredding tool accessible.
  • the shaft shredder according to the invention is preferably a twin-shaft shredder which comprises two shredding shafts which, lying next to one another, are arranged in particular with axes of rotation arranged parallel to one another.
  • adjacent does not necessarily mean a horizontal alignment and a parallel alignment of the two shredding shafts.
  • Side by side only means that the two shredding shafts are arranged in spatial proximity.
  • a V-shaped configuration of the two shredding shafts can be understood as well as an arrangement in which the two shafts, viewed in the direction of gravity, are arranged vertically offset from one another in the manner of a step. In this sense, all relative configurations of both shredding shafts are to be understood as lying next to one another.
  • a shaft shredder is provided with a machine frame and a shredding unit, which comprises two shredding shafts which are arranged side by side, the shredding shafts being driven by at least one drive and adjacent to the shredding unit, a material feed area is formed which has a plurality comprised of side walls, wherein the wave crusher, in particular in the following is designed as described above, comprises at least one, in particular driven, pressing device.
  • the pusher device comprises, for example, an elongated, in particular cylindrical, pusher element, the longitudinal axis of which preferably runs parallel to the axes of rotation of the shredding shafts.
  • the pusher device can have a plurality of pusher elements arranged along the shredding shafts, it being possible for these to comprise, for example, spherical pusher elements instead of an elongate pusher element.
  • the pressing device can be brought, in particular pivoted, from a use state in the area of the shredding shafts, in particular in the area between and / or above the shredding shafts, into a non-use state.
  • the state of use is that state in which the pressing device is actively involved in the shredding process. This can be done, for example, in such a way that it only presses with gravity on the material to be shredded.
  • the pressing device is driven, ie actively in addition to Gravity pushes material against the shredding shafts. This can take place alternately, so that a to-and-fro movement of the pusher device towards and away from the shafts is carried out.
  • the non-use state of the pusher device denotes the state in which, for example, new material reaches the material feed area and the pusher device is not actuated.
  • the pressing device is attached to one of the side walls, in particular pivotably.
  • One of these side walls is preferably a side wall provided on a longitudinal side of a shredding shaft.
  • the pressing device can be pivoted from the non-use position into the use position or moved into the use position, for example by means of a drive, in particular by means of one or a plurality of hydraulic cylinders.
  • the pusher device is preferably attached to a pivot lever which is pivotably mounted on the corresponding side wall at the end opposite the pusher element.
  • the pivot lever is preferably mounted in the side wall in such a way that no opening is created in the side wall in any pivoted state of the pivot lever.
  • a circular disk or at least one circular disk segment is rotatably mounted in the side wall with an axis of rotation parallel to the side wall, the pivot lever being attached to this circular disk segment or this circular disk.
  • the one through a warehouse opening The surface extending through the side wall, in particular the circumferential surface, of the circular disk or the circular disk segment closes the bearing opening in every pivoting state.
  • a shaft shredder is provided with a machine frame and a shredding unit which comprises at least two shredding shafts mounted therein and driven by a drive, a material feed area being formed adjacent to the shredding unit.
  • This twin-shaft shredder can be designed as described above.
  • the shaft shredder comprises a shaft coupling device which is set up in such a way that it switches from a synchronous mode, in which the shredding shafts are moved in a defined speed ratio with an opposite direction of rotation, and an asynchronous mode, in which the shredding shafts are moved in any direction of rotation and without a defined speed ratio , is switchable. In this way, the shaft shredder can be adapted to the requirements of the shredding process.
  • the shaft coupling device has a displaceable or pivotable pinion in order to effect the switchover from the synchronous mode to the asynchronous mode.
  • a pinion can be easily moved by any drive or by hand from a synchronous position in which both shafts are coupled to each other, move to an asynchronous position.
  • the drive unit for the shredding shafts can preferably be diesel-hydraulic or electro-hydraulic.
  • the shaft shredder according to the invention has a gear unit which is coupled or can be coupled to the shredding shafts and is arranged on the drive side or on the side of the shredding shafts opposite the drive side, in particular comprising the shaft coupling device.
  • Gear units are to be understood in such a way that they include any type of coupling of a shaft with the drive.
  • Each shredding shaft preferably has a separate gear.
  • an electrical controller for controlling and monitoring the mechanical, electrical and hydraulic processes and parameters of the machine can be provided in the shaft shredder according to the invention.
  • the side walls which are provided on the longitudinal sides of the shredding shaft, are preferably designed so that they can be brought close to the outer edge of the housing of the shredding unit. This provides direct access to the shredding tools on the shredding shafts and the counter combs.
  • the counter combs are preferably attached below the longitudinal side walls in the shredding unit.
  • Figure 1 shows a mobile shaft shredder 1 in the loading position.
  • the material feed area which is arranged above the shredding unit 2 and which is formed by the side walls 4-7, can be seen.
  • the inspection flaps 12, 13 are arranged below the side wall 5 and below the shredding unit 2 comprising the shredding shafts 8, 9 (not visible here).
  • the side walls 4, 5, 6 are designed so that they can be folded outwards for maintenance purposes P1, P2, P3.
  • the pressing device 3 On the side wall 5 is the pressing device 3, which will be discussed in more detail below.
  • the material to be shredded is placed in the material feed area, shredded by the shredding unit 2 and collected below it.
  • the shredded material is transported from there to the conveyor belt shown on the right-hand side and removed by it.
  • FIG. 2 shows the wave crusher 1 in preparation for maintenance.
  • the side walls 4, 5, 6 are outward folded down and reveal the two shredding shafts 8, 9.
  • the side wall 7, which can be designed as a material chute or tilting funnel, can be displaced in direction X by the shredding unit 2 over the machine housing.
  • Figure 3 shows the crushing unit 2 of FIG Figure 2 .
  • the shredding shafts 8, 9, which are arranged here with the longitudinal axes, for example, parallel to one another, are visible.
  • the area for the comminution is limited by shields 10, 11.
  • the shield 10 is intended to prevent the material to be comminuted from reaching the area of the couplings located towards the shaft coupling device 14.
  • the shield 11 is also intended to prevent the material to be comminuted from reaching the flange area facing the drive. This area is in Figure 4 shown.
  • the shredding shafts 8, 9 are arranged with couplings 15, 16, in particular flange couplings, on the drive (not shown).
  • the flange couplings 15, 16 are shielded from the comminution area 2 of the comminution shafts 8, 9 by the shield 11 in such a way that no comminution material can reach the flange couplings 15, 16.
  • FIG. 5 shows the corresponding couplings 17, 18, in particular flange couplings, on the side of the shaft coupling device 14 where the shield 10 prevents the material to be comminuted from penetrating into the area of the flange couplings 17, 18.
  • the flange couplings 15, 16, 17, 18 can be loosened to remove the shredding shafts 8, 9 and then these can be removed immediately after loosening the screw connection in a radial direction, in particular vertically, relative to the axis of rotation.
  • the removal of the shredding shafts 8, 9 can thus be accelerated without first having to dismantle part of the drive or the bearing of the shredding shafts 8, 9.
  • Figure 6 shows part of the shredding unit 2 with the inspection flaps 12, 13 open.
  • the re-shredding tool 19 in this exemplary embodiment is a breaker bar; however, another re-shredding tool can also be present, such as a strainer basket.
  • the pull-out 20 with the re-shredding tool 19 is constructed in such a way that it can be easily lifted out of the guides.
  • the in Figure 7 Maintenance rack 21 shown are set. Two pairs of shelves 22, 23 are arranged on the maintenance rack.
  • the shredding shafts 8, 9 can be raised.
  • the maintenance frame 21 can be pushed into the shaft shredder 1 and positioned with the shelves 22, 23 under the shredding shafts 8, 9. Then will the maintenance frame 21 is raised and the shredding shafts rest on the shelves 22, 23 and are raised with the maintenance frame 21.
  • the shredding shafts 8, 9 are placed on the maintenance frame 21 above the coupling position.
  • the end of the shredding shaft 9 with the flange coupling 16 lies on a shelf 22, as is also the case with the shredding shaft 8 with the flange coupling 15 on the shelves 23 (not shown). In the raised position, the shredding shafts 8, 9 are easily accessible.
  • the maintenance of the shredding unit 2 can be simplified and at the same time shortened, which reduces the maintenance costs.
  • Figure 9 shows an embodiment of a further inventive detail of the wave crusher 1, a pressing device 3.
  • the pressing device 3 is arranged on one of the side walls, in the example shown here on the side wall 5.
  • the side wall 5 is shown in the maintenance position, it is folded outwards, whereby the inside of the side wall 5 faces outwards and the shredding shaft 8 is more accessible.
  • the pressing device 3 is arranged on the inner wall of the side wall 5.
  • the active part of the pressing device 3 is an elongated, cylindrical body, the cylinder axis of which is aligned parallel or at least approximately parallel to the axes of the shredding shafts 8, 9 is.
  • another form of the pressing device can also be provided.
  • the active part of the pusher device 3 is fastened to a pusher lever 3a.
  • the pusher lever 3a is in turn arranged pivotably on the side wall 5 via a pivoting element 3b.
  • the pusher device 3 In the state of use, in which the side walls 4, 5, 6, 7, as in Figure 1 shown, folded up, on the one hand the pusher device 3 can be swiveled up to enable loading, or on the other hand the active part of the pusher device 3 can be placed by the pivoting element 3b in a position above and between the shredding shafts 8, 9, so as to To push the material to be shredded to the shredding shafts 8, 9.
  • the pusher lever 3a can be moved back and forth, which leads to a replenishing effect of the pusher device 3.
  • This tamping movement of the push-up lever 3a is preferably hydraulically driven because such drives are robust and can transmit high forces.
  • the pivoting element 3b is designed here in the form of a circular disk or circular segment disk.
  • the area of the pivoting element 3b is that which extends from the side wall 5 protrudes into the material feed area, both on the end faces and on the cylinder surface, so that no material to be comminuted can impair the function of the pivoting element 3b.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
EP20202224.0A 2018-05-11 2018-05-11 Broyeur à arbres Active EP3799961B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL20202224.0T PL3799961T3 (pl) 2018-05-11 2018-05-11 Rozdrabniacz wałowy
ES20202224T ES2974979T3 (es) 2018-05-11 2018-05-11 Trituradora de eje
EP20202224.0A EP3799961B1 (fr) 2018-05-11 2018-05-11 Broyeur à arbres

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20202224.0A EP3799961B1 (fr) 2018-05-11 2018-05-11 Broyeur à arbres
EP18171900.6A EP3566777B1 (fr) 2018-05-11 2018-05-11 Broyeur à arbres

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP18171900.6A Division EP3566777B1 (fr) 2018-05-11 2018-05-11 Broyeur à arbres

Publications (4)

Publication Number Publication Date
EP3799961A2 true EP3799961A2 (fr) 2021-04-07
EP3799961A3 EP3799961A3 (fr) 2021-06-09
EP3799961B1 EP3799961B1 (fr) 2023-12-13
EP3799961C0 EP3799961C0 (fr) 2023-12-13

Family

ID=62152479

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18171900.6A Active EP3566777B1 (fr) 2018-05-11 2018-05-11 Broyeur à arbres
EP20202224.0A Active EP3799961B1 (fr) 2018-05-11 2018-05-11 Broyeur à arbres

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP18171900.6A Active EP3566777B1 (fr) 2018-05-11 2018-05-11 Broyeur à arbres

Country Status (7)

Country Link
US (2) US12059686B2 (fr)
EP (2) EP3566777B1 (fr)
JP (1) JP7475285B2 (fr)
CA (1) CA3097072A1 (fr)
ES (2) ES2974979T3 (fr)
PL (2) PL3799961T3 (fr)
WO (1) WO2019215312A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT523406B1 (de) * 2020-04-23 2021-08-15 Untha Shredding Tech Gmbh Zerkleinerungsmaschine
DE202020103188U1 (de) 2020-06-03 2021-09-06 Vogelsang Gmbh & Co. Kg Zweiwellenzerkleinerer mit horizontalem Wartungskonzept
PL445043A1 (pl) * 2023-05-30 2024-12-02 Pronar Spółka Z Ograniczoną Odpowiedzialnością Mobilny rozdrabniacz wolnoobrotowy
DE202023104125U1 (de) 2023-07-24 2024-10-25 Vogelsang Gmbh & Co. Kg Zweiwellenzerkleinerer zur Zerkleinerung von Feststoffen oder Feststoffen in Flüssigkeiten, Modulsystem eines Zweiwellenzerkleinerers

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP3248687A1 (fr) 2016-05-23 2017-11-29 Manuel Lindner Desintegrateur a deux arbres comprenant un dispositif de changement rapide

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Publication number Priority date Publication date Assignee Title
EP3248687A1 (fr) 2016-05-23 2017-11-29 Manuel Lindner Desintegrateur a deux arbres comprenant un dispositif de changement rapide

Also Published As

Publication number Publication date
EP3799961B1 (fr) 2023-12-13
EP3799961C0 (fr) 2023-12-13
CA3097072A1 (fr) 2019-11-14
ES2841808T3 (es) 2021-07-09
US20210023569A1 (en) 2021-01-28
EP3566777A1 (fr) 2019-11-13
JP7475285B2 (ja) 2024-04-26
ES2974979T3 (es) 2024-07-02
WO2019215312A1 (fr) 2019-11-14
US12059686B2 (en) 2024-08-13
JP2021523825A (ja) 2021-09-09
US20240116057A1 (en) 2024-04-11
PL3799961T3 (pl) 2024-04-29
EP3799961A3 (fr) 2021-06-09
EP3566777B1 (fr) 2020-11-18
PL3566777T3 (pl) 2021-05-04

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