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WO2011061195A1 - Volant d'inertie pour broyeur à rotor - Google Patents

Volant d'inertie pour broyeur à rotor Download PDF

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Publication number
WO2011061195A1
WO2011061195A1 PCT/EP2010/067586 EP2010067586W WO2011061195A1 WO 2011061195 A1 WO2011061195 A1 WO 2011061195A1 EP 2010067586 W EP2010067586 W EP 2010067586W WO 2011061195 A1 WO2011061195 A1 WO 2011061195A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive shaft
crushing
crushing device
flywheel
additional flywheel
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.)
Ceased
Application number
PCT/EP2010/067586
Other languages
German (de)
English (en)
Inventor
Angelo Schmandra
Daniel Weber
Kai Grosch
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.)
BHS Sonthofen GmbH
Original Assignee
BHS Sonthofen 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 BHS Sonthofen GmbH filed Critical BHS Sonthofen GmbH
Publication of WO2011061195A1 publication Critical patent/WO2011061195A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/16—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters hinged to the rotor
    • 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
    • B02C13/30—Driving mechanisms
    • 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
    • B02C13/28—Shape or construction of beater elements
    • B02C2013/2816—Shape or construction of beater elements of chain, rope or cable type

Definitions

  • the invention relates to a crushing device, comprising a crushing chamber having a bottom wall and a peripheral wall projecting upwardly from the bottom wall, a drive shaft which is substantially orthogonal to the bottom wall and rotatable about a rotation axis, at least one drive shaft arranged in the crushing space, from the drive shaft to a rotary motion the axis of rotation displaceable crushing element, and a rotatably connected to the drive shaft torque introduction element, which is in torque transmission connection with a drive motor.
  • waste products displaces in Europe and increasingly also in other countries the hitherto disorderly procedure in the form of classical disposal solutions landfill or incinerator.
  • crushing devices according to the type mentioned above are used to a greater extent in order to recover raw materials from the waste products.
  • the waste products may in particular be material composites such as occur in the recycling treatment of electrical and electronic equipment or assemblies, for example, recycled monomaterials of ferrous metals, non-ferrous metals, plastics or wood, to fractions from other upstream coarse comminution processes in the recycling industry or to ashes from incineration processes.
  • a generic shredding device of the same Applicant is described for example in detail in DE 10239820 A1, EP 1536892 A1, AT 324180 E, AU 2003255486 A1, CN 678399 A, KR 102005039865 AA, RU 2005108671 A and WO 2004 / 024331 A1, all of which are hereby incorporated by reference in their entirety. taken.
  • the crushing apparatus disclosed in these references comprises a crushing space in which a vertical shaft driven rotor driven by a drive motor is disposed. On this vertical shaft, reducing elements in the form of chains and blow bars are mounted, which are displaceable by the drive shaft in a circulating movement about the drive shaft to comminute waste products (hereinafter referred to as material to be comminuted).
  • the crushing chamber is charged by a provided in the region of its top wall opening with crushed Good.
  • the crushing chamber is provided on its inside with a grate which is permeable to comminuted to a desired extent Good to discharge this from the crushing space.
  • a crushing device of the type mentioned in which at least one additional Flywheel is rotatably connected to the drive shaft.
  • This additional flywheel mass serves for purposeful increase of the mass moment of inertia of all concentrically rotating parts of the rotary comminution device (essentially the drive shaft, the at least one displaceable by the drive shaft in a rotational movement about the axis of rotation crushing element including attachment to the rotary shaft, to protect the rotary shaft provided elements, as well as the rotatably connected to the drive shaft torque introduction element), but not the drive motor and provided between the drive motor and the torque introduction element torque transmission element.
  • the provision of the at least one additional flywheel improves the smoothness of the machine and further increases the service life of the torque transmission element between the drive motor and the torque introduction element provided torque transmission element, whereby it is also possible to dimension this correspondingly smaller and therefore more cost-effective. Furthermore, by providing the at least one additional flywheel mass, the potential throughput of the comminution device can be increased, since it is ensured due to the improved smoothness of the machine that the material to be comminuted from above into the comminuting space is subjected to the force of the impacts of the comminution elements several times before it has reached the bottom of the crushing room.
  • the additional flywheel is preferably substantially rotationally symmetrical with respect to the axis of rotation and substantially concentric with the axis of rotation arranged so as to allow the provision of the largest possible additional flywheel and also to minimize the generation of imbalances due to the arrangement of the additional flywheel.
  • the weight of the additional flywheel mass corresponds to at least half of the total weight of the drive shaft plus all parts rotatably connected thereto, with the exception of the additional flywheel mass.
  • the additional flywheel mass when designing the additional flywheel mass, however, not only the mass but above all the mass distribution of the additional flywheel around the axis of rotation is relevant. In order to respond to the specific shape of the additional flywheel mass, it should preferably be designed and / or arranged so that the moment of inertia of the drive shaft plus all rotatably connected parts (V-belt pulley, crushing element (each in exactly radially aligned state) and associated attachment - or position elements) including the additional flywheel against an arrangement without additional flywheel at least doubles, preferably triples.
  • V-belt pulley, crushing element (each in exactly radially aligned state) and associated attachment - or position elements) including the additional flywheel against an arrangement without additional flywheel at least doubles, preferably triples.
  • the additional flywheel mass within the crushing space and in this case, for example, the bottom wall is arranged to participate in this way at the removal of the crushed Guts in the radial direction, and / or - with appropriate training of the crushing space facing Surface of the additional flywheel - to serve as an additional crushing element, especially for massive parts, which otherwise would have to be removed from the comminution chamber without crushing.
  • the drive shaft is rotatably mounted in its two axially spaced end regions outside the comminuting space.
  • this bearing is preferably adapted to be able to absorb both radial and axial forces in order not to unnecessarily burden the crushing device additionally by the additional flywheel.
  • the drive shaft may be connected to the drive motor via a belt drive.
  • a belt drive Because of its construction is basically able to absorb to a small extent speed variations of the drive shaft, it can in operation of conventional crushing devices to strong loading and unloading operations of the V-belt, which increases the risk of jumping of the V-belt, even if composite V-belt from several to a single vulcanized belt be used.
  • this risk is minimized according to the invention since, by using the additional flywheel mass, high load peaks can already be absorbed by the rotating comminuting system itself and are not forwarded to the engine at all.
  • the speed of the drive shaft may be between about 400 rpm and about 2,500 rpm, preferably between about 900 rpm and 1,500 rpm.
  • the at least one additional flywheel is formed by a substantially disc or annular flywheel, which can be ensured in a simple manner that the additional flywheel is rotationally symmetrical in its installed position with respect to the axis of rotation and substantially concentric with the axis of rotation is arranged to avoid an imbalance.
  • the flywheel may comprise one or more solid rings, which may be disposed axially and / or radially adjacent to each other concentrically about the drive shaft with respect to the axis of rotation.
  • the flywheel comprises a plurality of successive ring sector elements, which may be arranged successively in the circumferential direction and / or radial direction of the axis of rotation.
  • flywheel elements By a corresponding arrangement of different types of flywheel elements, it is also possible, for example, for a larger imbalance of the comminution device, which is caused, for example, by the at least one decomposition. is caused to reduce or eliminate altogether.
  • sector elements it is possible to adapt or convert the shredding device in a very short time to a very wide variety of tasks and requirements, since the use of ring sector elements, which can be attached to and detached from the drive shaft in the radial direction, results in a complete Disassembly of the crushing device to change the additional flywheel is unnecessary. It must be provided only at a corresponding point of the crushing device radially outside of the additional flywheel a corresponding opening to remove the flywheel from the crushing device or to be able to use in this.
  • a plurality of separately arranged additional centrifugal masses are provided, for example, a very large dimensioned first flywheel between the lower bearing and the crushing chamber, a second smaller flywheel between the upper bearing and the crushing chamber, in order in this way one at the upper end of the crushing space provided material receiving opening, and a third flywheel in the crushing space adjacent to the bottom wall.
  • the additional flywheel may further be provided that this frictionally or positively connected to the drive shaft or is connectable, for example by means of clamping sets (by means of bolts contractible parts).
  • this frictionally or positively connected to the drive shaft or is connectable for example by means of clamping sets (by means of bolts contractible parts).
  • the additional flywheel mass can be manufactured as a cast part, preferably as a ferrograph part. This casting can be post-machined, for example, on the seat, ie on the side facing the drive shaft, and / or on its outer periphery to balance it.
  • flywheel which in its radially inner region of a lightweight material, such as aluminum, and in its radially outer region of a particularly heavy material , such as lead, consists of or comprises this.
  • the articulation of the at least one crushing element is formed on the drive shaft such that the at least one crushing element with respect to the drive shaft is pivotable in all spatial directions. This can be achieved, for example, by using a joint for articulation, which consists of two intermeshing rings.
  • a joint for articulation which consists of two intermeshing rings.
  • Figure 1 is a perspective sectional view of a crushing device constructed according to the invention.
  • FIG. 2 shows a plan view of the comminuting device according to FIG. 1.
  • the comminution device 10 comprises a comminution chamber 12, which is delimited by a circumferential wall 14, a bottom wall 16 and a top wall 18.
  • the crushing chamber 12 is penetrated by a substantially vertically arranged drive shaft 20, which in its upper end portion 22 via a designed as a radial bearing upper bearing 24 on the top wall 18, and at its lower end 26 via one of a thrust bearing 28A and an associated radial bearing 28B formed lower bearing point 28 is mounted on a support member 30.
  • the drive of the drive shaft 20 is effected by a drive motor 32 by means of a belt drive 34 which comprises an engine-side drive pulley 36, a drive shaft-side driven pulley 38 and a compound V-belt 40 wound around it, which composite V-belt 40 consists of several individual belts vulcanized together to form a belt.
  • a belt drive 34 which comprises an engine-side drive pulley 36, a drive shaft-side driven pulley 38 and a compound V-belt 40 wound around it, which composite V-belt 40 consists of several individual belts vulcanized together to form a belt.
  • a plurality of crushing elements 42 are arranged one above the other in different comminution element planes not shown in detail.
  • the comminution elements 42 are designed as blow bars and are pivotally mounted via a respective joint 44 on the drive shaft 20 and with respect to the same in all spatial directions.
  • the hinges 44 used for the articulation are each in the form of two interlocking rings, of which the zer uneungselement workede ring 46 is mounted by means of a bolt 48 on the associated beater bar 42 and the drive shaft side ring 50 integral is formed on an annular fastening element 52 which surrounds the drive shaft 20 and is fixed thereto by means not shown clamping elements.
  • the drive shaft 20 is provided in these areas with a plurality of armor elements 54 which are arranged adjacent to each other in the axial direction of the drive shaft 20 and not Closer shown clamping elements on the outer circumference of the drive shaft 20 are fixed.
  • This peripheral wall 14 is partially formed by a grate 58, which is composed of a plurality of vertically arranged grate strips 60.
  • the grate strips 60 have different dimensions in the horizontal direction, but have a substantially constant distance to each other, so that fragments whose dimensions are smaller than this distance, pass through the grate 58 and the crushing chamber 12th being able to leave.
  • the peripheral wall 14 is surrounded in the region of the grate 58 by an outer jacket 62, which opens at its lower end in a collecting funnel 64 shown only in Figure 2.
  • a collecting funnel 64 shown only in Figure 2.
  • the crushing space 12 is further provided at its lower lateral end with an opening 68 which by means of a lateral slide 70 which can be selectively opened or closed by a hydraulic cylinder 72, is closed to the discharge of non-comminutable solid parts from the crushing chamber 12 allow to adjust without the operation of the crushing device.
  • a protective box 74 ensures a separate discharge of material without risk of endangering the operating staff.
  • the applications DE 10239820 A1, EP 1536892 A1, AT 324180 E, AU 2003255486 A1, CN 678399 A, KR 102005039865 AA, RU 2005108671 A and WO 2004/024331 A1 of the same Applicant See, in which the construction of a generic crushing device of the same applicant is described in detail, which are hereby incorporated by reference in their entirety.
  • a disadvantage of conventional crushing devices is that after impact of the blow bars on the material to be shredded via the drive (motor and V-belt drive), the kinetic energy withdrawn during the crushing operation of the rotating shredding system must be fed back. Since the system has only a very small momentum own momentum due to the slender impact tools, in known crushing devices a impact transmission has a very direct effect and with large load peaks on the drive motor. This must be oversized due to the permanent high load peaks, so that the system is not braked to a standstill (engine tip torque).
  • the comminution device 10 is therefore provided with an additional momentum.
  • mass 76 which in the embodiment shown in Figures 1 and 2 outside the crushing space 12 between the bottom wall 16 of the crushing chamber 12 and the lower bearing 28 rotatably connected to the drive shaft 20 is provided.
  • the at least one additional flywheel 76 is formed substantially rotationally symmetrical with respect to the axis of rotation A of the drive shaft 22 and arranged substantially concentric to the axis of rotation A and consists of a substantially disc or annular flywheel 78 with two substantially concentric around the drive shaft 20 arranged around full rings.
  • the solid rings are arranged radially next to one another and comprise a first drive shaft-side full ring 80 and a second full ring 82 which concentrically surrounds the drive shaft-side full ring 80 and is connected thereto by a plurality of threaded bolts 84.
  • the drive shaft-side solid ring 80 is provided at its lower end with an annular axial extension 86 which is frictionally connected to the drive shaft 20 by means of clamping sets 88 (parts which can be contracted by means of screw bolts).
  • the flywheel 78 is made as a casting, preferably made of cast iron and on the one hand at his seat, that is machined on the voltage applied to the drive shaft 20 surface, and on the other at its outer periphery machined to balance it.
  • the shape of the flywheel 78 is selected so that the moment of inertia of the drive shaft 20 plus all rotatably connected parts (driven pulley 38, crushing elements 42 (each in exactly radially aligned state) including fasteners 44 and 52, armor elements 54 and others in the Operating coaxially about the drive shaft 20 rotating parts - but not the drive motor 32 or the drive pulley 36) with respect to an arrangement without additional Flywheel at least doubles, preferably triples, when the mass of the additional flywheel in about the total mass of the drive shaft 20 plus all rotatably connected parts except the additional flywheel 76 corresponds.
  • the speed of the drive shaft 20 is between about 400 rpm and about 2,500 rpm, preferably between about 900 rpm and 1,500 rpm.
  • flywheel consist on the one hand that the drive power of the drive motor 32 in dependence on the size of the mass moment of inertia of the additional flywheel 76 can be significantly reduced, since the load peaks occurring in a shock transmission can be reduced, resulting in the life of the belt used significantly increased, as also improves the smoothness of the machine and the possible throughput.
  • the crushing device 10 is also provided with a coaxially arranged around the additional flywheel mass balance weight 90.
  • the crushing device 10 is provided radially outwardly of the additional flywheel and the balance weight 90 with a material discharge 92 (see FIG. 2), which makes it possible to crush crushed material into axial direction of the axis of rotation A to discharge from the crushing chamber 12.
  • the present invention proposes an improvement of a comminution device, by means of which function-related speed fluctuations occurring during operation of the cutting device can be reduced in simple ways, without having to substantially redesign existing comminuting devices.

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

Abstract

L'invention concerne un dispositif de broyage (10) comprenant une chambre de broyage (12) pourvue d'une paroi de fond (16) et d'une paroi périphérique (14) s'étendant vers le haut à partir de la paroi de fond (16), un arbre d'entraînement (20) s'étendant de manière sensiblement orthogonale à la paroi de fond (16), pouvant être entraîné en rotation autour d'un axe de rotation (A), au moins un élément de broyage (42) disposé dans la chambre de broyage (12), pouvant être entraîné par l'arbre d'entraînement (20) de façon à effectuer un mouvement circulaire autour de l'axe de rotation (A), ainsi qu'un élément d'application de couple (38) accouplé à l'arbre d'entraînement (20) de manière solidaire en rotation et raccordé à un moteur d'entraînement (32) de façon à transmettre un couple. Ce dispositif de broyage (10) est caractérisé en ce qu'au moins une masse d'inertie (76) supplémentaire est raccordée à l'arbre d'entraînement (20) de manière solidaire en rotation.
PCT/EP2010/067586 2009-11-17 2010-11-16 Volant d'inertie pour broyeur à rotor Ceased WO2011061195A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009046765.3 2009-11-17
DE102009046765A DE102009046765A1 (de) 2009-11-17 2009-11-17 Schwungscheibe für Rotorshredder

Publications (1)

Publication Number Publication Date
WO2011061195A1 true WO2011061195A1 (fr) 2011-05-26

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PCT/EP2010/067586 Ceased WO2011061195A1 (fr) 2009-11-17 2010-11-16 Volant d'inertie pour broyeur à rotor

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DE (1) DE102009046765A1 (fr)
WO (1) WO2011061195A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102989551A (zh) * 2012-10-24 2013-03-27 应志恩 一种碎料机
JP2017064679A (ja) * 2015-10-02 2017-04-06 クボタ環境サ−ビス株式会社 竪型破砕機の排出部ライナ取付け構造

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112844634B (zh) * 2020-12-31 2022-07-26 湖南华通粉体设备科技有限公司 一种钉巢磨

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1354855A (en) * 1918-03-20 1920-10-05 John G Simpson Rock-crusher
DE3535727A1 (de) * 1985-10-07 1986-03-27 Reinold 4690 Herne Krohm Rotationsbrecher
DE19903526A1 (de) * 1999-01-29 2000-08-03 Mewa Recycling Maschinen Und A Separationseinrichtung für aus unterschiedlichen Stoffen zusammengesetzte Produkte
JP2003112071A (ja) * 2001-10-04 2003-04-15 Hirofumi Kurosaki 食品残渣潰し装置
DE10239820A1 (de) 2002-08-29 2004-03-18 Bhs-Sonthofen Maschinen- Und Anlagenbau Gmbh Zerkleinerungsvorrichtung
CN2712464Y (zh) * 2004-07-12 2005-07-27 王卫明 离合式多用粉碎机
WO2009154582A1 (fr) * 2008-06-20 2009-12-23 Bingol Oz Turbobroyeur vertical

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1304677A (fr) * 1961-07-04 1962-09-28 Procédé et dispositif pour le traitement en vrac de ferraille légère
AU728546B2 (en) * 1997-06-05 2001-01-11 R & J Hansen, L.L.C. Apparatus for comminuting glass

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1354855A (en) * 1918-03-20 1920-10-05 John G Simpson Rock-crusher
DE3535727A1 (de) * 1985-10-07 1986-03-27 Reinold 4690 Herne Krohm Rotationsbrecher
DE19903526A1 (de) * 1999-01-29 2000-08-03 Mewa Recycling Maschinen Und A Separationseinrichtung für aus unterschiedlichen Stoffen zusammengesetzte Produkte
JP2003112071A (ja) * 2001-10-04 2003-04-15 Hirofumi Kurosaki 食品残渣潰し装置
AU2003255486A1 (en) 2002-08-29 2004-04-30 Bhs-Sonthofen Gmbh Comminuting device
WO2004024331A1 (fr) 2002-08-29 2004-03-25 Bhs-Sonthofen Gmbh Dispositif de broyage
DE10239820A1 (de) 2002-08-29 2004-03-18 Bhs-Sonthofen Maschinen- Und Anlagenbau Gmbh Zerkleinerungsvorrichtung
KR20050039865A (ko) 2002-08-29 2005-04-29 베하에스-존트호펜 게엠베하 분쇄 장치
EP1536892A1 (fr) 2002-08-29 2005-06-08 BHS-Sonthofen GmbH Dispositif de broyage
RU2005108671A (ru) 2002-08-29 2005-09-10 Бхс-Зонтхофен Гмбх (De) Устройство для измельчения
ATE324180T1 (de) 2002-08-29 2006-05-15 Bhs Sonthofen Gmbh Zerkleinerungsvorrichtung
CN2712464Y (zh) * 2004-07-12 2005-07-27 王卫明 离合式多用粉碎机
WO2009154582A1 (fr) * 2008-06-20 2009-12-23 Bingol Oz Turbobroyeur vertical

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102989551A (zh) * 2012-10-24 2013-03-27 应志恩 一种碎料机
JP2017064679A (ja) * 2015-10-02 2017-04-06 クボタ環境サ−ビス株式会社 竪型破砕機の排出部ライナ取付け構造

Also Published As

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