WO2002000361A2 - Systeme de tri de particules aux caracteristiques differentes - Google Patents

Systeme de tri de particules aux caracteristiques differentes Download PDF

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Publication number
WO2002000361A2
WO2002000361A2 PCT/EP2001/007278 EP0107278W WO0200361A2 WO 2002000361 A2 WO2002000361 A2 WO 2002000361A2 EP 0107278 W EP0107278 W EP 0107278W WO 0200361 A2 WO0200361 A2 WO 0200361A2
Authority
WO
WIPO (PCT)
Prior art keywords
particles
gap
conveying means
arrangement according
sorting arrangement
Prior art date
Application number
PCT/EP2001/007278
Other languages
German (de)
English (en)
Other versions
WO2002000361A3 (fr
Inventor
Hubertus Exner
Original Assignee
Hubertus Exner
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 Hubertus Exner filed Critical Hubertus Exner
Priority to EP01956504A priority Critical patent/EP1294496A2/fr
Priority to AU2001278468A priority patent/AU2001278468A1/en
Publication of WO2002000361A2 publication Critical patent/WO2002000361A2/fr
Publication of WO2002000361A3 publication Critical patent/WO2002000361A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
    • B07C5/367—Sorting apparatus characterised by the means used for distribution by means of air using a plurality of separation means
    • B07C5/368—Sorting apparatus characterised by the means used for distribution by means of air using a plurality of separation means actuated independently
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain

Definitions

  • the invention relates to a sorting arrangement for particles of different material properties with at least two conveying means which follow one another in the conveying direction, to which the particles to be sorted are fed upstream, one or more sensors for detecting a material property being arranged in the region of the upstream conveying means and between two in the conveying direction successive funding means a discharge of particles of certain material properties is provided.
  • Such a sorting arrangement described in EP 0 328 126 B1 is, for example, able to sort fragments of waste glass of different colors.
  • On trough-shaped slides are in the known arrangement
  • Used glass fragments are fed to a color recognition unit and then, depending on the color detected, a specific fragment is transferred from the first to one of the further channel-shaped slides.
  • US Pat. No. 5,305,893 suggests for very small particles of the same order of magnitude to also detect these foreign bodies and, at the end of a conveyor belt, using an air-operated piston, these foreign bodies together with neighboring particles to throw out of the stream.
  • the object of the invention is therefore to propose a further sorting arrangement for particles of different material properties which is capable of meeting such requirements.
  • this object is achieved in that a horizontal distance or gap is provided between the successive conveying means, that one or more blowing nozzles are arranged in the area of the gap in such a way that one of the blowing nozzles is dependent on the detection result of the sensors Fluid is applied to the particles so that the particles with the specific material properties reach the downstream conveyor via the gap.
  • blowing nozzles only have to apply such a force to the particles to be sorted that, contrary to gravity, they are able to overcome the distance or gap and reach the next conveying means. It is determined beforehand by means of the sensors provided whether a particle approaching the gap now has the respective material property or not. Depending on this, it is acted upon by the blowing nozzle or not, so that depending on this, it now reaches the next conveying means again or falls through the gap and either reaches another conveying means or a collecting container.
  • a gap separation can also be carried out several times by several linked funds.
  • a sensor can be used in connection with each individual gap, which is interested in different material properties and controls the blowing nozzles depending on this.
  • optical sensors can determine the color or other optically detectable properties, for example the degree of reflection or the size of a particle
  • magnetic sensors can detect the corresponding property of metals and so on.
  • the particles are then appropriately acted upon by the fluid or not at all and thus reach the next conveying means or fall through the gap.
  • means are provided for adjusting the width of the horizontal distance. Since the height gradation also influences the separation result, means for setting the height gradation are preferably also provided.
  • one end of the conveyor belt which is directed to a gap distance, has a deflection roller with a diameter that is less than / equal to the size dimension of the particles to be sorted out, results in a very sharp deflection of the conveyor belt at the spa separation cut, so that the particles lying on the conveyor plane tip over gravity spontaneously essentially unaffected the curvature of the conveyor belt takes place without deflection as soon as the focus of the par 'tikels no longer rests on the transport plane.
  • a collecting container is arranged below the horizontal distance to collect the sorted particles that fall through the gap.
  • a further conveying means for example a conveyor belt or vibratory conveyor, is arranged at this point for conveying the sorted out particles.
  • the sorted out particles can then be sent for further processing, for example also further separation processes.
  • the sorted-out fraction of particles is further separated.
  • small paper particles together with the undesirable small foreign bodies, such as broken glass, crown caps, stones, etc. would fall through the horizontal gap and be reliably separated by the wind sifting device due to the different dead weight, in contrast to large-area paper or Cardboard parts behave predictably small paper particles or scraps of paper in a wind sifting device, making a good one Separation result can be achieved.
  • the separated fraction of small paper particles (snippets) is then preferably sent to the paper preparation facility.
  • Fig. 1 shows a schematic, spatial view of a sorting arrangement with conveyor belts
  • FIG. 2 shows a second embodiment of the sorting arrangement in a schematic, spatial view.
  • FIG. 1 a sorting arrangement with two conveyor belts 1 and 2 is shown in a schematic, spatial view.
  • the first conveyor belt 1 in the conveying stream has a conveyor belt deflection roller 12 with a small diameter at the downstream end, so that a sharp deflection edge is created at this end 11.
  • a second conveyor belt Downstream of the conveying direction X, a second conveyor belt is arranged, graduated in height by a height H from the conveyor plane 13 of the first conveyor belt 1.
  • the upstream end 21 of the conveyor belt 2 also has a deflection roller 22 with a small diameter in order to achieve the sharpest possible curvature of the conveyor belt 2 at this point.
  • a horizontal distance A is formed between the downstream end 11 of the first conveyor belt 1 and the upstream end 21 of the conveyor belt 2.
  • a collecting or collecting container 61 or also another conveying means is provided below the transition from conveyor belt 1 to conveyor belt 2, that is below the horizontal distance or gap A.
  • the particles P to be sorted can first be fed in via a filling device which is known, for example, from WO 99/39998 A1.
  • Several filling devices 81 of this type guide the particles P over channel-shaped chutes 82 onto separating channels 83. These separating channels alternately have sloping bottoms and have the tendency to pull apart and separate the particles running on them.
  • a first small gap Ai can also be provided, through the very small and the further one
  • Sorting process inaccessible particles P can fall, while all other particles P due to their size and also due to the speed of movement that is given to them in the channel 83, the conveyor 1.
  • this conveying means 1 is a treadmill on which all particles P from a plurality of channels 83 arranged parallel to one another land.
  • Particles P to be sorted are fed to the conveyor belt 1 and are located on the conveyor level
  • a sensor 40 is located above the conveyor 1 and - at least in the embodiment shown - also adjacent to its end. This sensor is an optical sensor, for example one
  • Camera also has evaluation electronics and circuit devices with which further elements can be controlled.
  • Sensor 40 assigned according to whether they have a certain property or not. In the present case, those particles P with a certain color property are to be conveyed further. Behind the conveyor 1 there is a further distance or gap A and behind it the conveyor 2. In the gap A there is a blow bar 70 with a plurality of blow nozzles 71, 72, 73 and 74.
  • the blowing nozzles 71, 72, 73, 74 are capable and provided for a fluid, in particular a
  • the particle stream P to be sorted is thus conveyed into a further one
  • Particle stream P 2 is separated from particles with a material property and a particle stream Pi without this material property.
  • these material properties are certain desired color properties, but they can also be others.
  • FIG. 2. A second embodiment of the invention is shown in FIG. 2. in the
  • the particles P to be sorted are filled into a filling bunker 84 and then reach a profile trough 85.
  • the profile trough 85 is able, in particular in an elongated manner To shape shape-formed particles P also in a certain longitudinal direction. This longitudinal orientation of certain particles P is still used in the following. Particles P that do not have a dimension with a particular length run normally in the profile channel 85.
  • a small gap A is again provided at the end of the profile channel 85, through which small particles which cannot be sorted fall into a collecting container 60.
  • the larger particles P including those with a particular longitudinal extent, cross the gap A and reach the conveying means 1, which is designed as in the first embodiment from FIG.
  • a sensor 40 is provided adjacent to the downstream end 11 of this conveying means 1.
  • the result of the sensor 40 can be combined with the fact that the gap A between the first conveying means 1 and the second conveying means 2 allows particles P with a particular longitudinal extent or also an at least equally large area dimension to pass, since this causes the Can bridge gap A.
  • the sensor 40 it can additionally be ensured that particles P with certain other material properties also pass through this gap, or else that this does not occur.
  • At least one of the two conveyor belts 1, 2 arranged one behind the other is preferably in height and arranged adjustable in the conveying direction X. It is thus possible to adjust the height gradation H and the horizontal gap distance A continuously.
  • the system for separating waste paper can be converted to separating plastic parts, in which, for example, foils, plastic bags or air cushion packaging material are separated from empty yogurt cups and small plastic parts etc.
  • the starting material can additionally be equalized and separated by different, in particular increasing belt speeds.
  • the turning stages favor this separation and loosening, if necessary, without changing the direction of the material flow.
  • the slit strips themselves can be built in a very compact and space-saving manner. They can be assembled as required and can be put together depending on the requirements. Maintenance is easy and all areas are easily accessible. In the event of wear, pieces of pieces or individual belts can easily be replaced.

Landscapes

  • Sorting Of Articles (AREA)

Abstract

Un système de tri de particules (P) aux caractéristiques différentes présente au moins deux moyens de transport (1, 2) se succédant dans le sens de transport (X) et alimentés en amont en particules (P) à trier. Dans la zone du moyen de transport amont, au moins un détecteur (40) permet de détecter une caractéristique de matériau. Un dispositif éjecteur de particules ayant certaines caractéristiques est implanté entre deux moyens de transport se succédant dans le sens de transport (X). Une distance horizontale, notamment une fente (A), est prévue entre les moyens de transport successifs (1, 2). Au moins une buse soufflante (71, 72, 73, 74), placée dans la zone de la fente (A), assure l'alimentation en particules (P) et en fluide en fonction des résultats des détecteurs (40), de telle façon que les particules (P) aux caractéristiques retenues atteignent le moyen de transport (2) aval par la fente (A).
PCT/EP2001/007278 2000-06-26 2001-06-26 Systeme de tri de particules aux caracteristiques differentes WO2002000361A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP01956504A EP1294496A2 (fr) 2000-06-26 2001-06-26 Systeme de tri de particules aux caracteristiques differentes
AU2001278468A AU2001278468A1 (en) 2000-06-26 2001-06-26 Sorting device for particles with different material characteristics

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000129951 DE10029951A1 (de) 2000-06-26 2000-06-26 Sortieranordnung für Partikel unterschiedlicher Materialeigenschaften
DE10029951.2 2000-06-26

Publications (2)

Publication Number Publication Date
WO2002000361A2 true WO2002000361A2 (fr) 2002-01-03
WO2002000361A3 WO2002000361A3 (fr) 2002-04-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/007278 WO2002000361A2 (fr) 2000-06-26 2001-06-26 Systeme de tri de particules aux caracteristiques differentes

Country Status (4)

Country Link
EP (1) EP1294496A2 (fr)
AU (1) AU2001278468A1 (fr)
DE (1) DE10029951A1 (fr)
WO (1) WO2002000361A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012084944A1 (fr) * 2010-12-20 2012-06-28 Binder + Co Ag Procédé et dispositif de tri
CN102615053A (zh) * 2012-01-18 2012-08-01 烟台市亨利不干胶印刷有限公司 柔版机添加质检剔次装置
CN109719057A (zh) * 2019-03-03 2019-05-07 西南大学 一种基于图像处理技术的小麦不完整粒检测装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012024816B4 (de) 2011-12-19 2014-04-03 ProASSORT GmbH Verfahren zum Assortieren von Rohstoffen
DE102014013160B4 (de) 2014-09-11 2018-01-11 ProASSORT GmbH Verfahren und Vorrichtung zur Sortierung von wiederverwertbaren Rohstoffstücken
DE102015111890A1 (de) 2015-07-22 2017-01-26 ProASSORT GmbH Förderung und Vereinzelung von Rohstoffstücken

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0461616A2 (fr) * 1990-06-15 1991-12-18 Hubertus Exner Procédé et dispositif de tri de déchets de verre
EP0484221A2 (fr) * 1990-10-29 1992-05-06 National Recovery Technologies Inc. Procédé et dispositif de séparation de matériaux utilisant une radiation électromagnétique pénétrante
US5675416A (en) * 1996-01-22 1997-10-07 Src Vision, Inc. Apparatus and method for detecting and sorting plastic articles having a preferred axis of birefringence
EP0876852A1 (fr) * 1994-08-19 1998-11-11 Tiedemanns-Joh. H. Andresen Ans Détermination des caractéristiques d'un matériau

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0461616A2 (fr) * 1990-06-15 1991-12-18 Hubertus Exner Procédé et dispositif de tri de déchets de verre
EP0484221A2 (fr) * 1990-10-29 1992-05-06 National Recovery Technologies Inc. Procédé et dispositif de séparation de matériaux utilisant une radiation électromagnétique pénétrante
EP0876852A1 (fr) * 1994-08-19 1998-11-11 Tiedemanns-Joh. H. Andresen Ans Détermination des caractéristiques d'un matériau
US5675416A (en) * 1996-01-22 1997-10-07 Src Vision, Inc. Apparatus and method for detecting and sorting plastic articles having a preferred axis of birefringence

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012084944A1 (fr) * 2010-12-20 2012-06-28 Binder + Co Ag Procédé et dispositif de tri
CN102615053A (zh) * 2012-01-18 2012-08-01 烟台市亨利不干胶印刷有限公司 柔版机添加质检剔次装置
CN109719057A (zh) * 2019-03-03 2019-05-07 西南大学 一种基于图像处理技术的小麦不完整粒检测装置

Also Published As

Publication number Publication date
AU2001278468A1 (en) 2002-01-08
EP1294496A2 (fr) 2003-03-26
DE10029951A1 (de) 2002-01-03
WO2002000361A3 (fr) 2002-04-18

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