EP2605864B1 - Dispositif de tri de matériaux difficiles à tamiser - Google Patents

Dispositif de tri de matériaux difficiles à tamiser Download PDF

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Publication number
EP2605864B1
EP2605864B1 EP11729084.1A EP11729084A EP2605864B1 EP 2605864 B1 EP2605864 B1 EP 2605864B1 EP 11729084 A EP11729084 A EP 11729084A EP 2605864 B1 EP2605864 B1 EP 2605864B1
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EP
European Patent Office
Prior art keywords
rollers
distance
helical
altered
rotational position
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.)
Not-in-force
Application number
EP11729084.1A
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German (de)
English (en)
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EP2605864A2 (fr
Inventor
Bernd Günther
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Individual
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Individual
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Application granted granted Critical
Publication of EP2605864B1 publication Critical patent/EP2605864B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/12—Apparatus having only parallel elements
    • B07B1/16—Apparatus having only parallel elements the elements being movable and in other than roller form

Definitions

  • the invention relates to a device for sorting with a plurality of mutually parallel, interlocking and with the same rotational direction in each case about their longitudinal central axes rotating screw rollers, each having at least one helical coil.
  • Devices for sorting the aforementioned type are known in particular under the name Spiralwellenabscheider.
  • the range of applications of such devices is diverse and includes, for example, in addition to waste wood, biomass, commercial waste, household waste, bulky waste and monocharge such as scrap tires, steel scrap and other difficult sieve materials.
  • the spacing of the spiral rollers is adjustable relative to one another in order to be able to obtain different mold sizes of the separated fractions.
  • changing the distance of the spiral rollers is technically very complicated.
  • a drive mechanism for the spiral rollers which allows changing the distance of the spiral rollers, extremely complicated, complicated and expensive.
  • one is Changing the distance of the spiral rollers in the current sorting operation not provided.
  • the end DE 1 197 742 a device for sifting finely divided materials, in particular wood chips or cellulose pulp is known. Such devices are known as knot screens.
  • the end DE 1 197 742 Knotensieb known consists of a plurality of parallel juxtaposed rollers, each of which is provided with a running in the manner of a screw thread groove.
  • the grooves of the rollers are arranged such that the openings through which particles pass are arranged on a straight line which extends along the nip of the rollers.
  • the sense of winding of the groove of a roller is in each case opposite to the sense of winding of the groove of the adjacent roller.
  • the rollers have no helical spirals with flanks and do not engage the rollers into each other.
  • the knot screen is therefore only suitable for cutting according to fixed, unchangeable size specifications, which is essentially determined by the geometry and arrangement of the screw rollers.
  • the EP 2 050 326 A1 relates to a sorter for a mixture of root crops and admixtures, such as rocks and clods.
  • the sorter comprises screw rolls with intermeshing helixes.
  • the helices of adjacent rolls form an arrow pattern with each other.
  • the screw rollers are driven in pairs in opposite directions, so that the admixtures fall through the remaining gaps between the rollers and the respective crop is supported on the rollers in Walzenachsraum to a removal device.
  • At an upstream end of the screw rollers may be arranged a Querwalzentisch over which the mixture is conveyed to the screw rollers.
  • Another sorting device with screw rollers, the helical spirals form an arrow pattern in plan view, is from the DE 30 24 046 A1 known. Because of the orientation of the helical coils, these screw rollers are also rotationally driven in pairs in opposite directions, so that a sorted material is conveyed on the screw rollers in the roll axis direction.
  • the object is achieved by a device for sorting according to claim 1 or 2.
  • the distance of the mutually facing flanks of the helical coils of adjacent helical rolls is one of the essential variables which determine the sieve width of the device for sorting. It has been found in particular that the initially obvious assumption that an adjustment of the distance of the mutually facing flanks of the helices is therefore ineffective because an increase in the distance between a flank of a helical coil and the opposite flank of an adjacent helix simultaneously reducing the distance of the flank the helical coil relative to the offset opposite flank of the adjacent helical coil leads, so that overall, as seen in the projection, the sum of all spaces between all flanks of two adjacent helixes is always the same.
  • the distance of the mutually facing flanks of the helixes of adjacent screw rolls is effected by displacing a screw roll along its axis of rotation relative to the adjacent screw roll.
  • the distance of the mutually facing flanks of the helixes of adjacent screw rollers by changing the rotational position of a screw roller relative to the rotational position of the adjacent screw roller is adjustable or variable.
  • the device according to the invention such that a variation of the distance of the mutually facing flanks of the helices of adjacent screw rolls is effected both by longitudinal displacement of a screw roll along its axis of rotation, as well as by changing the rotational position of a screw roller relative to the rotational position of the adjacent screw roller ,
  • a change or adjustment of the distance of the mutually facing flanks of the helices of adjacent screw rolls by changing the path length of at least one strand - preferably both of the upper strand and the lower strand -, ie by changing the path length of the individual free belt or chain sections causes.
  • free-running, sliding gears or rollers may be provided, which define the path and thus the path length of the respective strand within the free belt sections or within the free chain sections.
  • each screw roller has its own drive
  • a change in the rotational position of a screw roller relative to the rotational position of an adjacent screw roller is effected in that temporarily the rotational synchrony of the drives is temporarily canceled.
  • the adjustment of the distance of the mutually facing flanks of the helical coils of adjacent screw rollers is effected by a hydraulically and / or pneumatically operating adjusting device.
  • FIG. 1a shows in a perspective detail representation exemplarily a first A screw roller 1 and an adjacent screw roller 2 of a plurality of screw rollers of a device, not shown in total, for sorting.
  • the first screw roller 1 has a first helical coil 3
  • the second screw roller 2 has a second helical coil 4.
  • the screw rollers are arranged parallel to each other at a distance which ensures that the helices 3, 4 - not touching - intermesh.
  • the helical coils 3, 4 have the same pitches and are oriented the same, which can be seen, inter alia, that the end 5 of the first helical coil 3 is aligned parallel and in the same direction as the end 6 of the second helical coil 4.
  • Figure 1d shows a plan view of the ends of the screw rollers 1, 2, clearly visible.
  • Figure 1d shows the screw rollers 1, 2 in the plan view and Figure 1c a sectional plane view perpendicular to the paper plane with respect to in FIG. 1 b dotted line.
  • Crucial for the mesh size is the distance 7 between the mutually facing flanks of the helixes 3, 4.
  • FIG. 2 is shown how the mesh size can be increased by increasing the distance 7 of the mutually facing flanks of the helices 3, 4 adjacent screw rollers 1, 2.
  • FIG. 2a It is shown that the rotational position of the second screw roller 2 is changed relative to the rotational position of the first screw roller 1 in the direction shown by the curved arrow 8.
  • the change in the rotational position is in the FIGS. 2a and 2d , Especially at the position of the ends 5, 6 of the screw rollers 1, 2, recognizable.
  • the FIGS. 2b and 2c is removed that is caused by the change in the rotational position in the manner shown, an increase in the distance 7 and thus an increase in the effective screen width.
  • FIG. 3 shows how the distance 7 of the mutually facing edges of the helical coils 3, 4 adjacent screw rollers 1, 2 is reduced by changing the rotational position in the manner shown in the arrows 8 way.
  • the change in the rotational position is apparent in particular from the position of the ends 5, 6 of the helices 3, 4.
  • the FIGS. 3b and 3c clearly show how With the change of the rotational position, a reduction of the distance 7 of the mutually facing flanks of the helical coils 3, 4 of the screw rollers 1, 2 is effected.
  • FIG. 4a shows several helical coils 9, 10, 11, 12 at medium screen width adjustment.
  • drive gears 13 of adjacent helical coils are shown.
  • the drive gears 13 are rotated by means of a chain 14 in rotation.
  • the length of the upper strand 15 and the lower strand 16 is determined by the position of a first free-wheeling gear 17 and a second free-wheeling gear 18.
  • FIG. 6 is shown how by increasing the path length of the upper strand 15 and shortening the path length of the lower strand 16, a reduction of the distance of the mutually facing flanks of the helices of adjacent screw rollers - and thus a reduction of the mesh size is effected.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Sorting Of Articles (AREA)

Claims (6)

  1. Dispositif de tri avec
    (a) plusieurs rouleaux à vis (1, 2, 9, 10,11, 12), qui présentent chacun au moins une hélice (3, 4) et sont disposés parallèlement l'un à l'autre avec un espacement qui garantit que les hélices s'engrènent sans se toucher,
    (b) la distance (7) des flancs se faisant face des hélices (3, 4) de rouleaux à vis adjacents (1, 2, 9, 10, 11, 12) étant modifiable,
    (c) les hélices (3, 4) présentant des pas d'enroulement égaux et ayant la même orientation et
    (d) les rouleaux à vis (1, 2, 9, 10, 11, 12) tournant dans le même sens de rotation autour de leur axe longitudinal respectif,
    caractérisé en ce que
    (e) la distance (7) est variable et réglable pendant le fonctionnement de tri du dispositif et lorsque les rouleaux à vis (1, 2, 9, 10, 11, 12) sont en rotation,
    (f) la distance pouvant être modifiée relativement au rouleau à vis adjacent par le décalage d'un rouleau à vis (1 , 2, 9, 10, 11, 12) le long de son axe de rotation.
  2. Dispositif de tri avec
    (a) plusieurs rouleaux à vis (1, 2, 9, 10,11, 12), qui présentent chacun au moins une hélice (3, 4) et sont disposés parallèlement l'un à l'autre avec un espacement qui garantit que les hélices s'engrènent sans se toucher,
    (b) la distance (7) des flancs se faisant face des hélices (3, 4) de rouleaux à vis adjacents (1, 2, 9, 10, 11, 12) étant modifiable,
    (c) les hélices (3, 4) présentant des pas d'enroulement égaux et ayant la même orientation et
    (d) les rouleaux à vis (1, 2, 9, 10, 11, 12) tournant dans le même sens de rotation autour de leur axe longitudinal respectif,
    caractérisé en ce que
    (e) la distance (7) est variable et réglable pendant le fonctionnement de tri du dispositif et lorsque les rouleaux à vis (1, 2, 9, 10, 11, 12) sont en rotation,
    (f) la distance pouvant être modifiée par la modification de la position de rotation d'un rouleau à vis (1, 2, 9, 10, 11, 12) relativement à la position de rotation d'un rouleau à vis adjacent.
  3. Dispositif suivant la revendication 2, caractérisé en ce qu'une modification de la position de rotation peut être réalisée par la modification de la longueur de parcours du brin (15, 16) d'une courroie d'entraînement en rotation de rouleaux à vis adjacents (1, 2, 9, 10, 11, 12) ou d'une chaîne d'entraînement en rotation de rouleaux à vis adjacents (1, 2, 9, 10, 11, 12).
  4. Dispositif suivant la revendication 2, caractérisé en ce que chaque rouleau à vis (1, 2, 9, 10, 11, 12) présente un entraînement propre et qu'une modification de la position de rotation est réalisable par une suppression temporaire du synchronisme de rotation.
  5. Dispositif suivant l'une des revendications 2 à 4, caractérisé en ce qu'une modification de la position de rotation est réalisable à l'aide de moteurs de positionnement qui peuvent être commandés et/ou réglés indépendamment de de l'entraînement de rotation des rouleaux à vis (1, 2, 9, 10, 11, 12).
  6. Dispositif suivant l'une des revendications 2 à 5, caractérisé en ce qu'un réglage à fonctionnement hydraulique et/ou pneumatique est prévu.
EP11729084.1A 2010-06-25 2011-06-20 Dispositif de tri de matériaux difficiles à tamiser Not-in-force EP2605864B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010030507A DE102010030507B4 (de) 2010-06-25 2010-06-25 Vorrichtung zum Sortieren
PCT/EP2011/060213 WO2011161046A2 (fr) 2010-06-25 2011-06-20 Dispositif de tri

Publications (2)

Publication Number Publication Date
EP2605864A2 EP2605864A2 (fr) 2013-06-26
EP2605864B1 true EP2605864B1 (fr) 2016-05-04

Family

ID=44627816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11729084.1A Not-in-force EP2605864B1 (fr) 2010-06-25 2011-06-20 Dispositif de tri de matériaux difficiles à tamiser

Country Status (3)

Country Link
EP (1) EP2605864B1 (fr)
DE (1) DE102010030507B4 (fr)
WO (1) WO2011161046A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012110361B4 (de) 2012-10-30 2015-03-26 Günther Holding GmbH & Co. KG Vorrichtung zum Sortieren
JP5850991B1 (ja) * 2014-07-24 2016-02-03 株式会社御池鐵工所 廃棄物の選別機
JP6143719B2 (ja) * 2014-09-01 2017-06-07 株式会社御池鐵工所 廃棄物の選別機
DE102017009495B3 (de) * 2017-10-12 2018-08-09 Doppstadt Familienholding Gmbh Trennvorrichtung
DE102018005187B3 (de) * 2018-07-02 2019-05-02 Doppstadt Familienholding Gmbh Trennvorrichtung
DE102019104050B4 (de) * 2019-02-18 2023-05-25 Günther Holding GmbH & Co. KG Verfahren zur Gewinnung eines Wertstoffs aus Siedlungsabfall
CN112044726B (zh) * 2020-08-29 2022-08-16 陕西工业职业技术学院 一种番茄自动采摘分级装框执行器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1570919A1 (fr) * 2004-03-02 2005-09-07 Anlagenbau Günther GmbH Appareil pour la séparation de matériaux substantiellement solides
EP2050326A1 (fr) * 2007-10-19 2009-04-22 Grimme Landmaschinenfabrik GmbH & Co. KG Dispositif de transport et de séparation pour fruits de hachage ainsi que procédé correspondant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB866196A (en) * 1958-11-04 1961-04-26 Thomas William Stedman Powell Machine for separating potatoes from soil and other matter
DE1197742B (de) * 1961-06-16 1965-07-29 Kamyr Ab Vorrichtung zum Sichten von feinverteilten Materialien, insbesondere von Holzspaenenoder Zellulosebrei
DE3024046A1 (de) * 1979-07-13 1981-02-05 Rauma Repola Oy Sieb
US5480034A (en) * 1993-06-22 1996-01-02 Kabushiki Kaisha Miike Tekkosho Screening machine
US5697451A (en) * 1995-12-21 1997-12-16 Nicholson Farm Machinery Co. Ltd. Crop cleaner
DE10142436B4 (de) * 2001-08-31 2004-06-03 Franz Grimme Landmaschinenfabrik Gmbh & Co Kg Erntemaschine für Hackfrüchte, insbesondere Kartoffeln

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1570919A1 (fr) * 2004-03-02 2005-09-07 Anlagenbau Günther GmbH Appareil pour la séparation de matériaux substantiellement solides
EP2050326A1 (fr) * 2007-10-19 2009-04-22 Grimme Landmaschinenfabrik GmbH & Co. KG Dispositif de transport et de séparation pour fruits de hachage ainsi que procédé correspondant

Also Published As

Publication number Publication date
WO2011161046A3 (fr) 2012-03-08
DE102010030507A1 (de) 2011-12-29
WO2011161046A2 (fr) 2011-12-29
EP2605864A2 (fr) 2013-06-26
DE102010030507B4 (de) 2013-03-21

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