EP2335837A1 - Dispositif et procédé de séparation de morceaux lourds produits avec des compositions non souhaitées - Google Patents

Dispositif et procédé de séparation de morceaux lourds produits avec des compositions non souhaitées Download PDF

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Publication number
EP2335837A1
EP2335837A1 EP10015430A EP10015430A EP2335837A1 EP 2335837 A1 EP2335837 A1 EP 2335837A1 EP 10015430 A EP10015430 A EP 10015430A EP 10015430 A EP10015430 A EP 10015430A EP 2335837 A1 EP2335837 A1 EP 2335837A1
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EP
European Patent Office
Prior art keywords
detection
conveyor belt
chunks
mass
laser
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
EP10015430A
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German (de)
English (en)
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EP2335837B1 (fr
Inventor
Hartmut Harbeck
Volker Rehrmann
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.)
Tomra Sorting GmbH
Original Assignee
Titech GmbH
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43901221&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2335837(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Titech GmbH filed Critical Titech GmbH
Priority to PL10015430T priority Critical patent/PL2335837T3/pl
Publication of EP2335837A1 publication Critical patent/EP2335837A1/fr
Application granted granted Critical
Publication of EP2335837B1 publication Critical patent/EP2335837B1/fr
Revoked legal-status Critical Current
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    • 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
    • B07C5/3427—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain by changing or intensifying the optical properties prior to scanning, e.g. by inducing fluorescence under UV or x-radiation, subjecting the material to a chemical reaction
    • 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
    • B07C5/04—Sorting according to size
    • B07C5/10—Sorting according to size measured by light-responsive means

Definitions

  • the invention relates to a method and an apparatus for separating heavy, accumulating with undesirable compositions chunks of changing composition, for example, from shredded material, in which also electric motors and the like were shredded, according to the preamble of the main claim.
  • Devices for separating bulk materials with small, comparatively homogeneous, particles are from a large number of patents, for example also from the patent EP 1 253 981 the applicant known.
  • the sorting material to be separated now differs in that comparatively large, far more than a kilo heavy, so mainly occurring with a density such as metals chunks are to be examined in their composition, either because they are lumps of unknown consistency , or have been brought into a lump form by humans - for example, when a motor vehicle was shredded, with materials of very different consistency clump together - and are also of the outer shape in a very large variance range.
  • Shredded material can vary from small electric motor parts, such as wire spools to metal strips, to starter motors damaged only slightly in the housing.
  • the invention is therefore based on the object, large mass flows, relatively large particles whose size can vary greatly, from smaller than a coin to significantly larger than bottles, the dimensions of which may also be elongated in particular, and then exceed the dimensions of bottles on a fast conveyor belt (with typical 3m / s) in the shortest time (typically 20ms measuring time) to recognize correctly. Problems with low count rates due to the short measuring time, a relative movement of the chunks on the fast conveyor belt, inclined surfaces of the chunks and possibly also existing topographies of the chunks with overhanging areas of a (previous) enclosure have to be mastered.
  • the device of the invention has been designed.
  • the method according to the invention can be carried out particularly advantageously with this device.
  • the device for separating heavy, with undesirable compositions accumulating chunks of scrap-like, uneven conveyed with a arranged on a conveyor detection device which - after interposition of a provided with a powerful computer control - a subsequent separating device can provide the information on which of various possible transport routes the respective chunks are to be routed.
  • the detection device consists in addition to fluorescence sensors, which can easily recognize different fluorescence characteristics of different materials, in particular different metals, in particular optical and / or electromagnetic sensors, which are arranged optically above, electromagnetically below the conveyor belt in a suitable number to a ten times better location Resolution as the above the conveyor belt provided, first detectors that respond to X-ray fluorescence radiation to achieve.
  • an X-ray tube is provided in a "sensor box" shielding the detectors, which irradiates the area of the conveyor belt, which is surveyed by the detection sensors, with X-radiation for triggering X-ray fluorescence.
  • the X-ray fluorescence sensors which are comparatively less spatially sensitive due to their physical properties, are now arranged side by side in a row, so that they can detect small particles lying on the conveyor belt substantially without overlapping.
  • the x-ray fluorescence sensors must be arranged as close as possible to the conveyor belt, but on the other hand sufficient free space must be left for at least the largest chunks to be expected, this means that the top of already medium chunks is only half as far from the detectors so that they are then detected by a detector only at about half their upper surface.
  • the aperture angle determined by the aperture of the detectors so that at least objects half the ⁇ ffnugsweite, eg 10 cm large objects are still fully covered with their entire surface of the juxtaposed detectors.
  • the spatial resolution (50-100 mm) obtained by these detectors is not sufficient to cause an ejection.
  • an electromagnetic detection by sensors arranged below the conveyor belt which results in a ten times better resolution (for example 3 mm) is preferred.
  • two rows of sensors with offset from one another can be provided and the sensor response of a sensor can be increased by taking into account the response of its neighboring sensor in the spatial resolution.
  • the values determined by the X-ray fluorescence detectors are assigned to each particle passing through the detection area, and then due to the conversion of the X-ray fluorescence radiation to the illuminated area of the particle, the result of the X-ray fluorescence measurement is weighted accordingly.
  • the in the Fig. 1 shown eight detectors 10 are spaced from each other only a little more than their dimensions, for example 75 mm. Of the conveyor belt 12, for example, they are 270 mm, that is, a multiple of removed, so that objects that are, for example, 10 cm high, are still detected by the narrow-opening detection angles in their entirety. However, if a twice as large article were conveyed through beneath the detectors, it would be readily apparent that only one-third of the reduced area of the article is still being examined.
  • the X-ray tube 16 to recognize. This is designed with, for example, 35 KeV and a maximum of 1 KW power to generate enough signal, but on the other hand not to get into power ranges in which the shielding problem makes the sensor device too heavy.
  • Lead plates are provided to detect the X-ray radiation to the side due to the thick black lines near the Abstrahlf kauers the X-ray tube.
  • Another lead plate again shields the detectors 10 from the X-ray tube 16, so that they only detect the X-ray fluorescence radiation light reflected by the examination material.
  • the signal result can be enhanced.
  • the device for separating heavy, with undesirable compositions accumulating chunks of scrap-like, non-uniform conveyed with a arranged on a conveyor belt detection device which is a Broken to different transport channels conductive separating device is arranged, essential to the invention by a detection device a plurality of transversely to the conveyor belt transport direction above the conveyor belt at a distance greater than the expected height of the chunks arranged X-ray fluorescence detectors shown, each narrow in the direction of arrangement, in the Further location-resolving electromagnetic sensors are provided below the conveyor belts for detecting the contours and / or mass of the chunks, wherein an X-ray tube arranged above the detectors exposes the chunks in the area of the detection sectors to X-ray radiation, and the detection direction the detectors is inclined in each case to the vertical, so that the emission direction X-ray radiation is inclined starting from the X-ray tube, so that between the at gives directions an upwardly open angle in the range of 5 - 38 °.
  • Another advantage is that an angle of 15-20 ° is provided symmetrically to the perpendicular between the detection direction of the detectors and the emission direction of the X-ray radiation from the X-ray tube.
  • a common, stable, dustproof and airtight, electrically shielded housing will receive the detectors and the X-ray tube, with a vertical partition wall between them with X-ray absorbing material for the direct entry of X-radiation prevents the detectors.
  • the sensors for mass detection are in a preferred embodiment electromagnetic sensors, the detection coils are arranged below the conveyor belt.
  • An alternative embodiment uses optical sensors as outline-recognizing sensors, which are arranged above the conveyor belt.
  • a contour-recognizing sensor can serve a camera that provides a flat high-resolution image of more than 800x600 pixels from then in time with the observation (eg at 3 m / s tape speed in the 1 KHz clock or every 1 ms) a contour line recorded and is further evaluated.
  • the information thus acquired is referred to in the literature as 3D information.
  • the method for separating heavy, with undesirable compositions accumulating chunks of scrap-like, non-uniform conveyed with a arranged on a conveyor detection device which is a the chunks on different transport channels separating device downstream, then the first detection devices in narrow in the direction of arrangement, limited in Area of the conveyor belt substantially non-overlapping detection sectors make an overall view of the respective detection window, capture in the detection window transversely to the conveyor belt by spatially resolving electromagnetic sensor signals and / or laser-optically generated contour lines contours and / or mass of chunks, at least at each detection time of fluorescence a height and / or mass profile of the detection line have been present, wherein based on the height / dimensional and / or mass profiles respective chunk dimensions in the conveying direction in the decision ngslogik be defined, which serve to match according to the dimensions collected detector signals of individual fluorescence detectors a chunk, for generating a separating device driving signal in the decision logic.
  • the particle can be assigned to a mass (e.g., assigned to a mass class) that allows one to deduce from the level of fluorescence radiation the content of an undesired composition in the chunk. In this way, small chunks with a high undesirable content of large chunks with a comparatively low percentage content can be distinguished.
  • a mass e.g., assigned to a mass class
  • the method for separating chunks of the decision logic allow detected mass and / or dimension profiles to be predefined classes of objects (cf. Fig. 6 ), whose material properties have been previously known for individual classes or from previous ones Determined fluorescence measurements averaged, for outputting the separating device driving signal.
  • the second detection device comprises a laser 40, in any case a bright, line-like light source, which illuminates an illumination line across the conveyor belt onto the conveyed material, which in turn is detected two-dimensionally as a contour line with a camera.
  • the second detection device 42 may comprise the laser (s) projecting substantially perpendicularly to the chunk and the camera receiving the illumination image with a viewing direction substantially in the direction of the conveyor belt, or viewing the camera substantially perpendicular to the chunk and the laser a beam direction slightly inclined to the direction of the conveyor belt generating an illumination image in the camera field of view.
  • the second detection device irradiate the laser or lasers approximately at 45 ° to the vertical and the conveying direction on the chunks and the camera with a viewing direction at the same angle to the transport direction of the conveyor belt, wherein the angle to the conveyor belt approximately transversely to a Detection line are arranged transversely to the conveyor belt, so for example, that the second detection device or the laser approximately 45 ° Angle radiates and an angle of 90 ° between observation and Aufstrahlraum lies.
  • the second detection device is designed in the form of spatially resolving, electromagnetic sensors (not shown) below the conveyor belt 12 for detecting the contours and / or mass of the chunks.
  • the first detection device should be provided at an angle deviating from the vertical angle of 8-19 ° symmetrically to the likewise inclined beam direction of the X-ray tube in order to limit overhanging effects (shadowing) and inclined surfaces of Brocken as far as possible in their deterioration of the measurement result. It is also advantageous for reasons of correct triangulation to choose a small angle, since otherwise the X-rays fluorescence before or after the optimal observation position - depending on the deviation of the height of the Brocken from a mediocrity (see. Fig. 2 ).
  • angles of the first and second detection devices are the same, ie, approximately all selected at 15 ° in order to obtain congruent information.
  • a range of 8 - 19 ° to the vertical seems suitable.

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  • Analysing Materials By The Use Of Radiation (AREA)
EP10015430.1A 2009-12-08 2010-12-08 Dispositif et procédé de séparation de morceaux lourds produits avec des compositions non souhaitées Revoked EP2335837B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10015430T PL2335837T3 (pl) 2009-12-08 2010-12-08 Urządzenie i sposób oddzielania ciężkich kawałków złomu z niepożądanymi składnikami

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009057119A DE102009057119A1 (de) 2009-12-08 2009-12-08 Vorrichtung und Verfahren zur Abtrennung von schweren, mit unerwünschten Zusammensetzungen anfallenden Brocken

Publications (2)

Publication Number Publication Date
EP2335837A1 true EP2335837A1 (fr) 2011-06-22
EP2335837B1 EP2335837B1 (fr) 2013-06-12

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Family Applications (1)

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EP10015430.1A Revoked EP2335837B1 (fr) 2009-12-08 2010-12-08 Dispositif et procédé de séparation de morceaux lourds produits avec des compositions non souhaitées

Country Status (4)

Country Link
EP (1) EP2335837B1 (fr)
DE (1) DE102009057119A1 (fr)
ES (1) ES2427398T3 (fr)
PL (1) PL2335837T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015100383U1 (de) 2014-02-12 2015-02-09 Imro Maschinenbau Gmbh Vorrichtung zur Aussonderung von Partikeln mit ausgewählten Stoffeigenschaften aus einem Materialgutstrom
DE102016114465A1 (de) * 2016-08-04 2018-02-08 Hydro Aluminium Rolled Products Gmbh Vorrichtung und Verfahren zur Legierungsanalyse von Schrottfragmenten aus Metall
CN109821766A (zh) * 2019-03-05 2019-05-31 天津美腾科技有限公司 Tds智能干选机双射源识别方法及系统
DE102018210019A1 (de) * 2018-06-20 2019-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Erkennung und/oder Bewertung von Erzeugnissen oder Produkten
DE102019100961A1 (de) * 2019-01-15 2020-07-16 Ossberger Gmbh + Co Kg Bewertungsverfahren für einen Reinigungszustand eines Werkstücks sowie eine Vorrichtung zur Durchführung des Verfahrens
DE102019109053A1 (de) * 2019-04-05 2020-10-08 Rwe Power Ag Verfahren und Vorrichtung zum Bestimmen von chemischen Elementgehalten und Bindungsformen in einem Material

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012203333A1 (de) * 2012-03-02 2013-09-05 Sicon Gmbh Verfahren und Anlage zur Aufbereitung metallhaltigen Schrotts
AT15295U1 (de) 2015-03-09 2017-05-15 Binder + Co Ag Aussortieren von mineralienhaltigen Objekten oder Kunststoff-Objekten
CN113484129B (zh) * 2021-06-09 2022-06-07 山东大学 基于多传感器融合的物料硬度检测装置

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EP1416265B1 (fr) 2002-11-01 2009-09-23 Huron Valley Steel Corporation Système de balayage pour l'utilisation dans un système de tri des déchets métalliques
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WO2010028446A1 (fr) 2008-09-11 2010-03-18 Technological Resources Pty. Limited Tri de matière minière
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015100383U1 (de) 2014-02-12 2015-02-09 Imro Maschinenbau Gmbh Vorrichtung zur Aussonderung von Partikeln mit ausgewählten Stoffeigenschaften aus einem Materialgutstrom
DE102016114465A1 (de) * 2016-08-04 2018-02-08 Hydro Aluminium Rolled Products Gmbh Vorrichtung und Verfahren zur Legierungsanalyse von Schrottfragmenten aus Metall
DE102016114465A9 (de) * 2016-08-04 2018-05-24 Hydro Aluminium Rolled Products Gmbh Vorrichtung und Verfahren zur Legierungsanalyse von Schrottfragmenten aus Metall
DE102016114465B4 (de) 2016-08-04 2022-12-01 Hydro Aluminium Recycling Deutschland Gmbh Vorrichtung und Verfahren zur Legierungsanalyse von Schrottfragmenten aus Metall
DE102018210019A1 (de) * 2018-06-20 2019-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Erkennung und/oder Bewertung von Erzeugnissen oder Produkten
DE102018210019B4 (de) * 2018-06-20 2020-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Erkennung und/oder Bewertung von Erzeugnissen oder Produkten
DE102019100961A1 (de) * 2019-01-15 2020-07-16 Ossberger Gmbh + Co Kg Bewertungsverfahren für einen Reinigungszustand eines Werkstücks sowie eine Vorrichtung zur Durchführung des Verfahrens
CN109821766A (zh) * 2019-03-05 2019-05-31 天津美腾科技有限公司 Tds智能干选机双射源识别方法及系统
DE102019109053A1 (de) * 2019-04-05 2020-10-08 Rwe Power Ag Verfahren und Vorrichtung zum Bestimmen von chemischen Elementgehalten und Bindungsformen in einem Material

Also Published As

Publication number Publication date
PL2335837T3 (pl) 2013-11-29
DE102009057119A1 (de) 2011-06-09
ES2427398T3 (es) 2013-10-30
EP2335837B1 (fr) 2013-06-12

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