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EP1854556A1 - Méthode et appareil de trier de conteneurs - Google Patents

Méthode et appareil de trier de conteneurs Download PDF

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Publication number
EP1854556A1
EP1854556A1 EP07009251A EP07009251A EP1854556A1 EP 1854556 A1 EP1854556 A1 EP 1854556A1 EP 07009251 A EP07009251 A EP 07009251A EP 07009251 A EP07009251 A EP 07009251A EP 1854556 A1 EP1854556 A1 EP 1854556A1
Authority
EP
European Patent Office
Prior art keywords
containers
category
conveyor
spiral
conveyor spiral
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.)
Withdrawn
Application number
EP07009251A
Other languages
German (de)
English (en)
Inventor
Jakob Büchi
Urs Schmutz
Serge Winkelmüller
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.)
SPIRALTRANS STRELEY AB
Original Assignee
Linde KCA Dresden GmbH
Spiral Trans Streley AB
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 Linde KCA Dresden GmbH, Spiral Trans Streley AB filed Critical Linde KCA Dresden GmbH
Publication of EP1854556A1 publication Critical patent/EP1854556A1/fr
Withdrawn legal-status Critical Current

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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
    • B07C5/34—Sorting according to other particular properties
    • B07C5/3412—Sorting according to other particular properties according to a code applied to the object which indicates a property of the object, e.g. quality class, contents or incorrect indication
    • 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
    • B07C5/12—Sorting according to size characterised by the application to particular articles, not otherwise provided for
    • 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
    • B07C5/3404—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level
    • 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
    • B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
    • 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
    • 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
    • B07C2301/00—Sorting according to destination
    • B07C2301/0016—RFID-tags

Definitions

  • the invention relates to a method for automatic sorting of containers, especially bags, boxes, cartons or similar sealed containers of any shape, different category in a system in which the containers are supported by rotating shaftless spirals in a closed system, wherein the conveyor spirals in trough-shaped housing are precisely fitted, so that the containers are not destroyed by the force required for the promotion and sorting force, and the sorting is carried out by exporting the containers of the same category from the conveyor spiral at a category-specific location, and an apparatus for performing the method.
  • the method and apparatus described herein are for sorting garbage bags of different categories, but may also be applied to any other sorting task of closed containers of any shape.
  • the collection of all containers can be independent of the content.
  • the sealed containers hold the respective garbage category together during a common transport.
  • the containers of various categories must be separated back into the respective category to dispose of the garbage specifically or to be able to process further.
  • the waste is introduced into the plant as a mixture of closed differently colored containers of all categories and conveyed by conveyor belts in sorting lines.
  • the sorting lines consist of conveyor lines, in which the containers by means of rotating, fitted in a trough-shaped housing, shaftless spirals promoted.
  • the containers are mixed in the sorting spiral as they were introduced by the conveyor belts in the spiral. In contrast to the conveyor belt, however, they are in a defined position between the slopes of the spiral turns. In addition, contamination of the floor is avoided by fitting the conveyor spirals in the trough-shaped housing.
  • the containers are guided past an optical sensor system (for example a camera), which identifies the color of the container and thus the waste category and triggers the execution of the containers via an opening at a category-specific location on the bottom of the trough-shaped housing.
  • an optical sensor system for example a camera
  • the invention is therefore based on the object, a method of the type mentioned above and a device for implementation in such a way that the reliability of the sorting of the containers in the respective category is significantly increased.
  • This object is achieved on the procedural side by the fact that the export from the delivery spiral is triggered by a recognition system which uses a radio frequency identification signal (RFID) to identify the category.
  • RFID radio frequency identification signal
  • a radio frequency identification system consists essentially of a transponder, a transceiver unit and a computerized control system (see http://en.wikipedia.org/wiki/RFID).
  • a high-frequency electromagnetic field is generated, which receives the antenna of the RFID transponder.
  • induction current is generated in the antenna coil, as soon as it comes in the vicinity of the electromagnetic field. This activates the microchip in the transponder. Once the microchip is activated, it receives commands from the reader.
  • the transponder By modulating a response to the field transmitted by the transceiver unit, the transponder transmits its serial number or other data interrogated by the transceiver unit.
  • the manufacturing costs of transponder and transceiver unit currently amount to 5-10 cents in mass production and will fall significantly in the future.
  • the basic idea of the invention is to equip the various containers with a transponder and thus reliably identify the respective category of containers regardless of the degree of contamination by clearly reading the category information by means of RFID and thus precisely control the export of the containers from the conveyor spiral.
  • the separation of the containers is ensured by the containers are transferred at least once from a conveyor spiral in a next receiving conveyor spiral, the receiving conveyor spiral is operated at a higher rotational speed than the donating conveyor spiral.
  • the containers are filled into the conveyor spiral, the containers are already quite isolated due to the predetermined wave structure of the conveyor spiral.
  • the probability increases again clearly that the handed over containers in each case Different windings of the spiral land or the distance between containers from adjacent spiral turns is significantly increased. This ensures a clear identification of the containers by the RFID system and ensures that the category-specific opening is closed again after the export of a container of the corresponding category in good time before the arrival of a container of another category.
  • the containers are exported via a bottom plate downwardly, the bottom plate being opened either via a pushing or folding mechanism.
  • the containers either go directly to the collecting device of their respective category or are preferably fed via a further conveyor spiral into their respective collection devices.
  • the containers are preferably carried out on the periodically opening and closing openings, which are distributed over the entire length of the conveyor spiral over the collecting device, from the conveyor spiral. Possibly leaked from the containers loose material is advantageously carried out via a sieve at the bottom of the trough-shaped housing in a separate collection device.
  • the number of possible categories and the degree of mixing, the respective speed and the speed of the opening and closing operations are expediently controlled separately.
  • a camera, a magnetic card recognition system and / or a bar code recognition system is used to identify the category of containers in the recognition system in addition to the RFID system to identify containers with lost or damaged transponder. If the invention is operated at high numbers of containers to be sorted and thus at high speed of the conveyor spirals, it is no longer completely unlikely that two containers of different categories are in a spiral winding. Therefore, in another embodiment of the invention in the identification of at least two containers of different categories in a spiral winding, the export from the conveyor spiral at one for this Case specific location in another conveyor spiral, which carries the containers back to the receiving area of the containers.
  • the device for triggering the export is coupled to a device for identifying the category, which contains a transceiver unit for retrieving and processing a radio frequency identification signal (RFID).
  • RFID radio frequency identification signal
  • the device has at least one point at which the end of a dispensing container spiral conveyor overlaps with the beginning of a container receiving conveyor spiral higher rotational speed, whereby the containers are handed over and much more isolated.
  • the openings have a pushing or folding mechanism.
  • the conveyor spiral to the respective collecting device after sorting into the respective category expediently has several openings in the bottom distributed over the length of the conveyor spiral over the collecting device, which are periodically opened and closed so as to distribute the containers over the entire collecting device.
  • At the beginning of the sorting path is preferably a sieve at the bottom of the trough-shaped housing for sifting loose material.
  • the device has a conveyor spiral from the sorting path back to the receiving area of the containers.
  • the containers are dosed in the two different categories from the receiving space (1) in the first conveyor spiral (2).
  • the dossing of the containers takes place via the regulation of the feed rate, for example via the regulation of the speed of a moving floor.
  • the second and third conveyor spiral (2, 3, 4) each rotating at a higher speed than the respective dispensing spiral, it is ensured that in each case only one container is in a spiral winding and the distance between the containers in the individual spiral turns increases. This ensures optimal functioning of the identification and execution system.
  • the fourth conveyor spiral the actual sorting line (5) begins.
  • the containers of the two categories pass the identification system (RFID) in front of the conveyor spiral (6), which recognizes the respective category and correspondingly triggers the execution from the conveyor spiral (5). If containers of the brightly displayed category are identified, the opening of the bottom plate above the conveyor spiral (6) is triggered. After one of the rotational speed of the conveyor spiral (5) and the category of the next identified containers dependent time, the bottom plate is closed again. Upon identification of containers of the dark displayed category, the opening of the bottom plate above the conveyor spiral (7) is triggered according to the still required running time of the containers in the conveyor spiral. Loose material, that was not screened through the screen between position (5) and (6), as well as unidentified and previously unsorted material in the conveyor spiral (8) is executed.
  • the conveyor spirals (6, 7, 8) provide through periodically opening floor panels distributed over the length of the conveyor spirals over the respective collection means for uniform distribution of the material into the respective collection means.
  • Figure 2 shows the sorting system in the side view. Shown are the actual sorting line (5) with the sieve for exporting loose material from the conveyor spiral (4), the RFID identification system (6) and the opening and closing bottom plates for exporting the containers of the respective category (3).

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Sorting Of Articles (AREA)
EP07009251A 2006-05-09 2007-05-08 Méthode et appareil de trier de conteneurs Withdrawn EP1854556A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006021616A DE102006021616A1 (de) 2006-05-09 2006-05-09 Verfahren und Vorrichtung zur Sortierung von Behältnissen

Publications (1)

Publication Number Publication Date
EP1854556A1 true EP1854556A1 (fr) 2007-11-14

Family

ID=38441984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07009251A Withdrawn EP1854556A1 (fr) 2006-05-09 2007-05-08 Méthode et appareil de trier de conteneurs

Country Status (2)

Country Link
EP (1) EP1854556A1 (fr)
DE (1) DE102006021616A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011029991A3 (fr) * 2009-09-14 2011-07-28 Maricap Oy Procédé et installation pour le tri des déchets

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001026828A1 (fr) * 1999-10-14 2001-04-19 Recyc Ab Systeme de manipulation pour vides consignes
WO2001058604A2 (fr) * 2000-02-09 2001-08-16 Urs Schmutz Dispositif transporteur et de triage
DE20306019U1 (de) * 2003-04-14 2003-09-11 Handschick, Bert, 02763 Zittau Sortiermaschine unter Nutzung von Transpondern
US20040133484A1 (en) * 2003-01-08 2004-07-08 Kreiner Barrett M. Radio-frequency tags for sorting post-consumption items

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001026828A1 (fr) * 1999-10-14 2001-04-19 Recyc Ab Systeme de manipulation pour vides consignes
WO2001058604A2 (fr) * 2000-02-09 2001-08-16 Urs Schmutz Dispositif transporteur et de triage
US20040133484A1 (en) * 2003-01-08 2004-07-08 Kreiner Barrett M. Radio-frequency tags for sorting post-consumption items
DE20306019U1 (de) * 2003-04-14 2003-09-11 Handschick, Bert, 02763 Zittau Sortiermaschine unter Nutzung von Transpondern

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011029991A3 (fr) * 2009-09-14 2011-07-28 Maricap Oy Procédé et installation pour le tri des déchets
US9120131B2 (en) 2009-09-14 2015-09-01 Maricap Oy Method and apparatus for sorting wastes

Also Published As

Publication number Publication date
DE102006021616A1 (de) 2007-11-15

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Owner name: SPIRAL TRANS STRELEY AB

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