EP2428274A1 - Dispositif de broyage de matériaux de chargement - Google Patents

Dispositif de broyage de matériaux de chargement Download PDF

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Publication number
EP2428274A1
EP2428274A1 EP11007099A EP11007099A EP2428274A1 EP 2428274 A1 EP2428274 A1 EP 2428274A1 EP 11007099 A EP11007099 A EP 11007099A EP 11007099 A EP11007099 A EP 11007099A EP 2428274 A1 EP2428274 A1 EP 2428274A1
Authority
EP
European Patent Office
Prior art keywords
rotor
housing
free space
transverse walls
screen
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
EP11007099A
Other languages
German (de)
English (en)
Other versions
EP2428274B1 (fr
Inventor
Hartmut Pallmann
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.)
Pallmann Maschinenfabrik GmbH and Co KG
Original Assignee
Pallmann Maschinenfabrik GmbH and Co KG
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 Pallmann Maschinenfabrik GmbH and Co KG filed Critical Pallmann Maschinenfabrik GmbH and Co KG
Publication of EP2428274A1 publication Critical patent/EP2428274A1/fr
Application granted granted Critical
Publication of EP2428274B1 publication Critical patent/EP2428274B1/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
    • B02C18/144—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with axially elongated 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
    • B02C18/16—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
    • 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 invention relates to a device for comminuting feed material according to the preamble of patent claim 1.
  • Such devices are assigned to the field of mechanical processing technology, in particular the comminution of feed material by means of cutting, shearing, tearing or smashing. But also the dissolution of the composite of composite materials, which always involves a comminution of the feed material, is within the scope of the present invention. Consequently, generic devices are suitable for the comminution of bulk and bulk materials, in particular of plastics with and without admixtures, wood, waste wood, paper, cardboard, cellulose, textiles, waste, rubber, rubber, resins, leather, food, pleasure and Feeds, minerals, pigments, dyes, pharmaceuticals, metals, composites such as electronic scrap, cables, scrap tires and the like.
  • the basic principle of crop processing results from the interaction of rotating cutting, shearing or tearing tools with fixed tools or in the impact energy quickly rotating impact tools such as hammers, plates and the like, which shatter the feed.
  • the feed material is withdrawn from the device via a sieve, wherein the sieve can additionally act as a comminuting tool.
  • the screen thus divides the housing interior functionally into an upstream crushing section and a downstream section for discharging the already comminuted product.
  • connection of rotating machine parts to fixed machine parts proves problematic, in particular the connection of the rotor to the housing proves to be in terms of wear, heat generation within the device and quality of the final product as a critical zone.
  • Mills with a housing consisting of longitudinal and transverse walls, in which a rotor extends from one transverse wall to the opposite transverse wall, are generally known.
  • the relatively moving in the course of comminution to the transverse wall rotor takes the feed material on its orbit, which leads to a considerable friction on the fixed transverse walls.
  • the consequences are on the one hand a wear of the inside of the housing wall and on the other hand a heat input into the housing itself, since a part of the supplied drive energy is converted into frictional heat. That does not only lead to an additional thermal load of the device, with the result that if necessary cooling measures must be taken, but also to a deteriorated energy efficiency.
  • An example of such a device is in DE 34 01 929 A1 disclosed.
  • annular disc which rotates with the rotor and which extends radially beyond the comminution tools with its outer circumference.
  • the co-rotating annular disc prevents the feed material from coming into direct contact with the housing wall, causing wear and excessive heat on its circular path. So that the feed material does not jam in the gap between the annular disk and the inner side of the housing, the housing wall has a recess which is concentric with the annular disk and into which the rotor extends with its annular disk. In this case, only a small radial annular gap is maintained between the outer circumference of the annular disc and the inner circumference of the recess.
  • a disadvantage proves that the exiting from the sealing gap and thus from the housing material is separated by the transverse wall from the rest of the material flow and therefore collected by additional peripheral machine components and must be fed to further processing, which is both a constructive than also brings procedural overhead with it.
  • the transverse wall is structurally weakened by the large opening in which the annular disc is arranged, which impairs the rigidity of the machine construction.
  • the opening also leads to the fact that the rotor can not be mounted on the transverse walls of the housing, but a direct mounting of the rotor on the ground is necessary.
  • the subsequent to the transverse walls sheet metal ducts are not static bearing machine parts such as the transverse walls and therefore can not be used to support the rotor. With a view to the fastest possible and effective cleaning and maintenance, the sheet metal ducts on the outer sides of the transverse walls only form additional projections and corners which make such work more difficult.
  • the invention has the object to improve known devices in design and functional terms.
  • a first advantage of the invention results from the structural feature of laying the connection region of the rotating rotor ends to stationary machine parts, such as the screen web, axially inwards in the direction of the center of the housing, while at the same time creating a free space between the housing and the rotor.
  • a device according to the invention is therefore characterized by a simplified machine design with simultaneously reduced operating costs.
  • the previously known thermal problems are corrected by the air gap in the space between the housing wall and the rotor.
  • the air gap in each case represents a thermal insulation for the transverse wall, which consequently no longer heats up so much. Temperature-related problems therefore occur in a device according to the invention to a much lesser extent.
  • the free space of cooling air can be flowed through, for example, by Openings in the housing is supplied. When the free space flows through from top to bottom, the cooling air additionally supports the flow of material.
  • transverse walls represent structurally bearing parts, which play an essential role in the removal of static and dynamic loads.
  • the transverse walls of a device according to the invention can accomplish the storage of the rotor, for example by supporting brackets are attached to the outer sides of the transverse walls. This leads to an extremely compact design, in which all essential components are mounted inside or on the housing.
  • transverse walls are rigidly connected to each other via longitudinal profiles and thus form a rigid support frame. This allows the installation of doors on the long sides of the device, through which the accessibility to the housing interior is ensured.
  • the space is advantageously closed on both sides and upwards.
  • the space limiting the space may be formed for example by the longitudinal walls and the cover plate.
  • a circumferential portion surrounding the upper peripheral portion form the conclusion, which is seconded for attachment of the frontal wear plate between wear plate and transverse wall. In this way, the exiting from the sealing gap Good is collected and reunited purposefully with the flow of material.
  • a minimum distance of the annular discs of the rotor from the associated transverse walls is required. In this context, distances of at least 2 cm, preferably at least 3 cm or 5 cm have proven to be advantageous.
  • the annular gap surrounding the sealing gap must meet two requirements. On the one hand to prevent that not properly crushed feed material enters the Gutaustrag what the sealing gap may not exceed a certain width. On the other hand, the most obstacle-free rotation of the rotor relative to fixed machine parts, such as the screen webs, must be ensured, which requires a minimum width of the sealing gap. In order to meet these basically contradictory requirements, the invention provides a width of the sealing gap of at most 3 mm, preferably at most 1 mm or 0.5 mm.
  • the sealing gap can be realized more closely, the smaller the assembly tolerances of the machine components forming the sealing gap.
  • the invention provides for mounting the screens on the associated Siebyrahmen, in which the sieves are not only clamped, but simultaneously stretched with your back against the Siebyrahmen. Since the Siebirahmen specifies the exact nominal geometry, it is ensured in this way that the screen webs have the desired geometry over the entire length of the sealing gap and the width of the sealing gap can be minimized.
  • the screen webs extend a total of at least half of the rotor circumference, for example over two-thirds.
  • the rotor is surrounded by two or more Siebbahnen.
  • FIGS. 1 to 4 representing a granulator.
  • the granulator has a resting on the indicated with 1 substructure housing 2, which is composed essentially of two axially parallel plane-parallel opposite transverse walls 3 and 4, whose outline is rectangular in the lower region and trapezoidal in the upper region ( FIG. 1 ).
  • the transverse walls 3 and 4 are structurally bearing parts, which are connected in their foot region on each side by a longitudinal spar 5 frictionally with each other.
  • longitudinal struts 7 stiffen the housing construction, resulting in a total of a rigid support frame.
  • the longitudinal sides of the housing 2 are each closed by longitudinal walls 9 and 10, which are pivotable by means of hinges 11 after release of the lock 13 about a vertical axis in order to ensure the accessibility to the housing interior.
  • the upper side of the housing 2 has a rectangular opening 12, which continues into the interior of the housing as a vertical feed shaft 15 with a rectangular cross-section and leads into the area of action of a rotor 17 arranged centrally in the housing 2 and rotating about a longitudinal axis 16.
  • the sides of the feed slot 15 are lined with wear plates 14.
  • the lying outside of the feed slot 15 areas of the housing top are closed with cover plates 47, which rest on the housing walls (see above Fig. 1 and 2 ).
  • the lower portion of the housing 2 forms a Gutaustrag 33 and is open at the bottom.
  • the rotor 17 comprises a drive shaft 18 on which rotor disks 19, which are arranged at an axial distance from one another and are arranged coaxially with respect to one another, are non-rotatably mounted.
  • the rotor disks 19 have radially distributed over its circumference radial Randausappel traditions, which are intended to receive paraxial knife strips 20.
  • the male connectors 20 are fixed by means of radially clamped clamping wedges 21 in the Randausappelgeber that the blades 8 of the male connectors 20 come to rest on a common cutting circle 22.
  • the front ends of the rotor 17 are formed by concentric to the axis 16 annular discs 25, which are composed in the present example of three ring segments with a peripheral portion of 120 ° and axially bolted to the first and last rotor disc 19.
  • the outer diameter of the annular discs 25 is greater than the diameter of the blade circle 22.
  • the outer circumference of the annular disc 25 is indicated at 26.
  • FIG. 2 discloses that the wear plates 14 of the feed shaft 15 are excluded in the region of the annular discs 25 and the annular discs 16 are disposed within the recesses, with their outer periphery 26 the wear plates 14 radially opposite and thus form a sealing gap 43.
  • the end-side wear plates 14 and the annular discs 25 and 26 are thus substantially in one plane.
  • FIG. 1 shows how out Fig. 1 visible are in the peripheral region of the rotor 17 immediately laterally of the two longitudinal sides of the feed slot 15 Statormesser 27 arranged extending over the entire axial length of the rotor 17 and with their cutting 8 while maintaining a radial cutting gap the male connectors 20 of the rotor 17 are opposite.
  • clamping plates 29 the stator knives 27 are clamped against the clamping bar 28.
  • a further axis-parallel longitudinal spar 31 radially opposite, which adjoins the stiffening of the housing 2 rigidly to the transverse walls 3 and 4.
  • the peripheral portions between the two clamping bars 28 and the longitudinal beam 31 are each covered by an arcuate Siebbahn 32 extending in the axial direction over the entire length of the rotor 17 to the outer sides of the annular discs 25 and 26 and to the transverse walls 3 and 4, respectively maintain a clear axial distance.
  • the two screen webs 32 cover more than two-thirds of the rotor circumference in this way.
  • Each screen web 32 is composed essentially of a Siebmelen 34 which is reinforced by arcuate ribs 35.
  • legs 36 are welded to the portafilter frame 34, which each have their free end rotationally fixed on a shaft 37.
  • the shafts 37 extend parallel to the longitudinal beam 31 and are coupled with their end for folding down the screen elements 32 with a rotary drive, not shown.
  • the said machine parts thus form a separation, wherein the region upstream of the separation is assigned to the active comminution of the feed material, whereas the region downstream of the separation corresponds to the withdrawal of the comminuted product from the feedstock Device on the Gutaustrag 33 is used.
  • FIG. 4 shows this area on a larger scale. It can be seen from the rotor 17, a portion of the end-side rotor disk 19, which carries with its outer periphery a male connector 20, the cutting edge is again identified by the reference numeral 8. On the outside the rotor disk 19 is coaxially fixed to the annular disk 25, which projects with its outer circumference 41 radially beyond the cutting edge 8 of the male connector 20. On the outside of the annular disc 25, in turn, a rod-shaped broaching tool 42 is screwed, which extends radially over the outer circumference 41 of the annular disc 25.
  • the annular disc 25 is located in the radial direction on the Siebarahmen 34 of the screen path 32 opposite perforated plate 38, wherein between the outer periphery 41 of the annular disc 25 and the perforated plate 38, a small radial sealing gap 43 with a width of 0.5 mm to 3 mm, preferably 1 mm is maintained.
  • the width of the sealing gap 43 is essentially dependent on the type of feedstock, the type of comminution and the desired fineness and the required clearance for the rotational movement of the rotor 17.
  • the broaching tool 42 extends radially beyond the sealing gap 43 and thereby captures fine feed material which passes through the sealing gap 43 and in this way prevents clogging of the sealing gap 43.
  • the transverse wall 3 opposite, on the outside of which one still recognizes the part of the bracket 23 for the shaft bearing 44.
  • the distance is at least 1 cm, preferably at least 2 cm or at least 3 cm.
  • the granulator has a distance of even 5 cm, which may possibly be even greater. With a sufficient distance ensures that no accumulations of material form in the free space 6, which would hinder the free flow and it is the thermal load of the transverse walls reduced.
  • the free space 6 advantageously extends at least over the entire partial length of the sealing gap 43 in the region of the screen webs 32, that is, all good that exits between the annular disk 25 and the webs 32 from the gap 43 is collected in the free space 6.
  • the free space 6 may also extend over the entire circumference of the sealing gap 43, ie also in addition over the region of the feed chute 15.
  • the free space 6 is essentially delimited by the longitudinal walls 9 and 10 and upwardly by the cover plates 47 in this area.
  • the width of the free space 6 therefore essentially corresponds to the width of the transverse walls 3 and 4.
  • the free space 6 is therefore closed upwards and to the sides and only open downwards in the direction of Gutaustrag 33.
  • the free space 6 is penetrated by the drive shaft 18, which surrounds it in an approximately annular manner.
  • the transverse walls 3 and 4 can each have one or more openings 45, which open from the outside into the free space 6 and over which the free space 6 can be acted upon by an air flow 46.
  • the air flow 46 can serve to cool the device, but at the same time also support the material flow within the free space 6 and in the further Gutaustrag 33.
EP20110007099 2010-09-12 2011-09-01 Dispositif de broyage de matériaux de chargement Active EP2428274B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010045125A DE102010045125A1 (de) 2010-09-12 2010-09-12 Vorrichtung zum Zerkleinern von Aufgabegut

Publications (2)

Publication Number Publication Date
EP2428274A1 true EP2428274A1 (fr) 2012-03-14
EP2428274B1 EP2428274B1 (fr) 2013-05-01

Family

ID=44583916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110007099 Active EP2428274B1 (fr) 2010-09-12 2011-09-01 Dispositif de broyage de matériaux de chargement

Country Status (6)

Country Link
US (1) US8979007B2 (fr)
EP (1) EP2428274B1 (fr)
CN (1) CN102527472B (fr)
CA (1) CA2751981C (fr)
DE (1) DE102010045125A1 (fr)
ES (1) ES2424093T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3618967A4 (fr) * 2017-05-04 2020-05-27 Rapid Granulator AB Moulin broyeur

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CA2839488A1 (fr) * 2013-01-15 2014-07-15 Barry Beyerlein Taille-herbe a deux barillets pour matieres vegetales
DE102013006405B3 (de) * 2013-04-13 2014-08-28 Pallmann Maschinenfabrik Gmbh & Co. Kg Vorrichtung zum Zerkleinern von Aufgabegut
JP5977726B2 (ja) * 2013-11-07 2016-08-24 鈴鹿エンヂニヤリング株式会社 ゴムベール細断方法及びその装置
CN104492545B (zh) * 2014-11-10 2016-11-09 成都樵枫科技发展有限公司 防积粉式粉碎机
KR101842233B1 (ko) * 2015-12-24 2018-05-14 에코 리서치 인스티튜트 엘티디. 처리 능력이 큰 분쇄기 및 미세 지분 제조 방법
US20170297031A1 (en) * 2016-04-15 2017-10-19 James Hummel Disc pulverizing mill
US10843204B2 (en) * 2017-01-10 2020-11-24 Courtright Engineering Company, Llc Modular shredder and grinder apparatus
CN110280348B (zh) * 2019-07-26 2020-12-04 西安市政设计研究院有限公司 一种市政道路固废破碎转运装置
CN111375234B (zh) * 2020-04-20 2021-10-15 浙江厚达智能科技股份有限公司 药液循环助力式中药过滤粉碎方法
AT523806B1 (de) * 2020-05-13 2022-09-15 Rubble Master Hmh Gmbh Verfahren zur Klemmkornabreinigung bei Brechern
CN112246346A (zh) * 2020-09-11 2021-01-22 李兰勋 一种公路桥梁用再生混凝土破碎装置
CN112536103B (zh) * 2020-11-26 2022-09-13 江苏宇星科技有限公司 一种氧化铁颜料烘干粉碎设备
CN115245859B (zh) * 2022-05-13 2024-02-20 扬州盛旭科技有限公司 卧式行星磨筒的进料装置及进料方法
CN115212970A (zh) * 2022-06-21 2022-10-21 江苏中丽新材料有限公司 一种水处理剂粉碎装置

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE2221898A1 (de) * 1971-05-07 1972-11-23 Buehler Ag Geb Schlagmuehle mit fliegendem Rotor
DE2146362A1 (de) * 1971-09-16 1973-03-22 Braunschweigische Masch Bau Vorrichtung zum zerkleinern von haushaltsmuell
DE3401929A1 (de) 1984-01-20 1985-08-01 Franz Prof. Dr.-Ing. 3406 Bovenden Wieneke Verfahren und einrichtung der zerkleinerung von festen stoffen zu feinspaenen oder fasern und deren verdichtung
GB2344060A (en) * 1998-11-28 2000-05-31 Charles Lawrence Engineering L Tyre granulator with hydraulic drive
US20060118671A1 (en) 2004-12-07 2006-06-08 Astafan Charles G Tire size reduction/wire separation system

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CH567883A5 (fr) * 1974-05-29 1975-10-15 Buehler Ag Geb
US5526988A (en) * 1994-11-29 1996-06-18 Rine; James Comminuting apparatus with tangentially directed discharge
CN2524831Y (zh) * 2001-12-31 2002-12-11 康新 高效冲击振动细碎机
CN2623335Y (zh) * 2003-05-24 2004-07-07 康新 设有出料粒度调整装置的反击式破碎机
DE102007058127A1 (de) * 2007-11-30 2009-06-04 Pallmann Maschinenfabrik Gmbh & Co Kg Vorrichtung zum Auflösen des Verbundes von im Verbund vorliegendem Aufgabegut
CN201394472Y (zh) * 2009-05-08 2010-02-03 北京利德衡环保工程有限公司 一种细碎可逆单转子锤式破碎机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221898A1 (de) * 1971-05-07 1972-11-23 Buehler Ag Geb Schlagmuehle mit fliegendem Rotor
DE2146362A1 (de) * 1971-09-16 1973-03-22 Braunschweigische Masch Bau Vorrichtung zum zerkleinern von haushaltsmuell
DE3401929A1 (de) 1984-01-20 1985-08-01 Franz Prof. Dr.-Ing. 3406 Bovenden Wieneke Verfahren und einrichtung der zerkleinerung von festen stoffen zu feinspaenen oder fasern und deren verdichtung
GB2344060A (en) * 1998-11-28 2000-05-31 Charles Lawrence Engineering L Tyre granulator with hydraulic drive
US20060118671A1 (en) 2004-12-07 2006-06-08 Astafan Charles G Tire size reduction/wire separation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3618967A4 (fr) * 2017-05-04 2020-05-27 Rapid Granulator AB Moulin broyeur

Also Published As

Publication number Publication date
DE102010045125A1 (de) 2012-03-15
CN102527472B (zh) 2014-09-03
ES2424093T3 (es) 2013-09-27
US8979007B2 (en) 2015-03-17
US20120061498A1 (en) 2012-03-15
EP2428274B1 (fr) 2013-05-01
CA2751981C (fr) 2014-07-22
CN102527472A (zh) 2012-07-04
CA2751981A1 (fr) 2012-03-12

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