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WO1993006945A1 - Dispositif de tri de sacs de dechets - Google Patents

Dispositif de tri de sacs de dechets Download PDF

Info

Publication number
WO1993006945A1
WO1993006945A1 PCT/SE1992/000661 SE9200661W WO9306945A1 WO 1993006945 A1 WO1993006945 A1 WO 1993006945A1 SE 9200661 W SE9200661 W SE 9200661W WO 9306945 A1 WO9306945 A1 WO 9306945A1
Authority
WO
WIPO (PCT)
Prior art keywords
waste
sacks
aforementioned
transport device
arrangement
Prior art date
Application number
PCT/SE1992/000661
Other languages
English (en)
Inventor
Lars Larsson
Original Assignee
Ab Wahlquists Verkstäder
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 Ab Wahlquists Verkstäder filed Critical Ab Wahlquists Verkstäder
Publication of WO1993006945A1 publication Critical patent/WO1993006945A1/fr

Links

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
    • B07C5/361—Processing or control devices therefor, e.g. escort memory
    • B07C5/362—Separating or distributor mechanisms
    • 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
    • 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
    • B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means

Definitions

  • the present invention relates to an arrangement for sorting waste sacks, of which at least two kinds of optically identifiable sacks containing different categories of waste sorted at source occur with a random mutual distribution, comprising transport devices by means of which the sacks arranged one after the other in a row are conveyed past identification devices so arranged as to identify sacks containing a predetermined category of waste, and separation devices positioned after the aforementioned identification devices and so arranged, when controlled by a registration and control device interacting with the aforementioned identification devices, as to sort waste sacks containing the predetermined category of waste.
  • Waste from industries and households represents an increasingly heavy load for the environment.
  • the content of environmentally harmful substances means that the requirements for handling and processing the waste will increase drastically.
  • the large volumes of waste also pose problems for resource management.
  • Technology and systems for the environmentally acceptable handling and final processing of the waste which finally requires to be dealt with must be developed.
  • the first three categories (fractions) of waste are taken to so-called local recycling stations, which are situated within walking distance of the home, from where it is then collected by the public cleansing department.
  • the present invention is concerned primarily with the collection and sorting system which has been designed for the last two categories of waste.
  • the object of the invention is, by utilizing the collection system which is already installed (waste chute, holding reservoir and disposal vehicle) in conjunction with an arrangement of simple and compact design, to be able to separate at least the aforementioned two fractions of organic waste and other waste for final processing in different plants.
  • the arrangement comprises for each category of waste, other than the first, at least two mutually identical sorting stations arranged one after the other along the aforementioned transport device, each of which stations includes identification and separation devices, in that the aforementioned identification device at each station comprises two optical sensors positioned directly opposite one another to either side of the aforementioned transport device and so arranged at more or less the same time as to identify one and the same waste sack, and in that the aforementioned separation device consists of a double- acting compressed air cylinder without a piston rod arranged across the aforementioned transport device, to which cylinder there is operatively connected an ejector plate, which ejector plate is so arranged as to execute from one of its end positions an ejection movement in the direction of its other end position at a predetermined time after both the sensors in the associated station have identified a waste sack containing the predetermined category of waste, which means that sacks with the last- mentioned content are displaced from the aforementioned transport device in both directions across its direction of
  • Fig. 1 illustrates schematically as a plan view an arrangement in accordance with the invention viewed from above and with two mutually identical sorting stations;
  • Fig. 2 is a plan view of the arrangement in accordance with Fig. 1 viewed from the side? and Fig. 3 shows the arrangement in accordance with Fig.
  • waste sacks which differ in that they are white and black respectively, and that the identification devices are optical sensors sensitive to white. It is obvious that the waste sacks within the scope of the idea of invention may, as an alternative, be marked in some other optically identifiable manner. A person skilled in the art will also appreciate that the arrangement in accordance with the invention can be extended with further sorting stations arranged in pairs in order to be able to sort further categories of waste.
  • the designation 1 is used in the drawing for a transport device in the form of a conveyor belt, which runs over guide rollers 3 mounted in a frame 2, and by means of which waste sacks (not shown) can be transported in a direction towards the right in the drawing, as indicated by the arrows 4, 5.
  • the arrow 4 is half black and half hatched, which symbolizes the presence of black and white waste sacks distributed in a mutually random fashion.
  • the arrow 5 is completely black and represents only black waste sacks, which leave the belt 1 at its extreme right-hand end.
  • the hatched arrows 6-9 pointing outwards from the belt must be taken to represent white waste sacks, which leave the belt cross-wise to its direction of transport, as described below.
  • Each of the sorting stations I, II comprises two optical sensors 2 ⁇ , 13 x and 12 IZ , 13 ⁇ connected to a control device A and a separating device 14 r and 14 ⁇ .
  • Each separating device 14 ⁇ f 14 IX consists of a double-acting compressed air cylinder 14 Ia , 14 IIt . without a piston rod arranged across the conveyor belt 1, to the cylinder of which there is operatively connected an ejector plate 14 ⁇ ,, 14 IIb , the plane of which coincides with the direction of transport and which is so arranged as to be displaced between two end positions.
  • the control device 11 actuates a compressed air device 15, which in turn is connected at its outlet to the cylinders 14 Ia , 14 IIa .
  • the control device 11 comprises a manually adjustable timer circuit and is so arranged as to cause the ejector plate 14 Ib , 14 nb via the compressed air device 15 to describe an ejection movement from its one end position to its other end position at a predetermined time after both sensors at the station in question, i.e. the sensors 12 17 13 x or I2 ⁇ / 13 n , have both identified a white waste sack.
  • the black waste sacks continue along the conveyor belt 1 to its end unaffected by the ejector plates 14 Ib , 14 1Ib . These are preferably executed with lifting heels 16 so arranged as to lift the white waste sacks from the belt 1, thereby reducing the friction against it.
  • a single container 17, shown by a broken line in Fig. 1, is preferably positioned beneath the stations I and II, so that all the white waste sacks find their way into this container, whereas all the black waste sacks find their way into a container 18, shown by a broken line at the end of the conveyor belt 1.
  • the waste sacks are placed manually or automatically on the belt 1 approximately at the point indicated by the arrow 4 and positioned so that two or more waste sacks do not lie side by side across the width of the conveyor belt 1.
  • the control device 11 is connected in such a way, for example by means of an AND-gate circuit, that both photocells 12 Ir 13 3 . must record a white waste sack in order for the waste sack to be ejected from the belt 1 by the ejector plate 14 Ib describing an ejection movement from one of its end positions to the other.
  • the ejection movement in this case takes place a certain time after both the optical sensors 12 r and 13 x have identified the waste sack in question. This time corresponds to the transport time found by experiment for the sack to travel from identification to ejection.
  • Ejection takes place, as already mentioned, in such a way that the ejector plate 14 n , driven by the double-acting cylinder 14 ra moves from one of its end positions to the other.
  • Switching takes place by means of the limit switches 14 IC , 14 Id in such a way that the air from the compressed air supply 15 is directed to that side of the cylinder piston which produces the desired ejection movement.
  • This can take place either by electrical means, as shown in Fig. 1, whereby the limit switches are connected to the control device 11, or by pneumatic means, whereby the limit switches operate as pneumatic switches. connected to the compressed air supply 15, by means of which the compressed air supply is made to occur in such a way that the desired ejection movement is obtained.

Landscapes

  • Sorting Of Articles (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)

Abstract

L'invention se rapporte à un dispositif de tri de sacs de déchets. Au moins deux types de sacs identifiables optiquement et contenant différentes catégories de déchets triés à la source sont répartis de façon aléatoire. Les sacs disposés les uns après les autres en une rangée sont transportés devant des dispositifs servant à identifier les sacs contenant une catégorie prédéterminée de déchets. Des dispositifs de séparation commandés par un ensemble d'enregistrement et de commande fonctionnant en interaction avec les dispositifs d'identification ci-dessus mentionnés trient les sacs contenant la catégorie prédéterminée de déchets. Pour chaque catégorie de déchets différente de la première, au moins deux stations de tri identiques sont disposées l'une après l'autre. Chaque station possède deux détecteurs optiques placés directement en face l'un de l'autre des deux côtés du dispositif de transport ci-dessus mentionné, de façon à identifier simultanément un sac de déchets et un sac semblable. La séparation s'effectue au moyen d'un cylindre à air comprimé à double action sans tige de piston, disposé à travers ledit dispositif de transport et auquel est accouplée une plaque d'éjection. A partir de l'une de ces positions d'extrémité, ladite plaque décrit un mouvement d'éjection dans le sens de son autre position d'extrémité à un moment prédéterminé après que les deux détecteurs de la station associée ont identifié un sac contenant la catégorie prédéterminée de déchets.
PCT/SE1992/000661 1991-10-07 1992-09-24 Dispositif de tri de sacs de dechets WO1993006945A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9102894A SE467394B (sv) 1991-10-07 1991-10-07 Anordning foer sortering av avfallspaasar
SE9102894-4 1991-10-07

Publications (1)

Publication Number Publication Date
WO1993006945A1 true WO1993006945A1 (fr) 1993-04-15

Family

ID=20383920

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1992/000661 WO1993006945A1 (fr) 1991-10-07 1992-09-24 Dispositif de tri de sacs de dechets

Country Status (2)

Country Link
SE (1) SE467394B (fr)
WO (1) WO1993006945A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995032062A1 (fr) * 1994-05-20 1995-11-30 Ab Wahlquists Verkstäder Dispositif pour trier des sacs de dechets
WO2004050264A1 (fr) * 2002-12-04 2004-06-17 Optibag Systems Ab Procede et dispositif de tri de sacs de dechets
WO2006096101A1 (fr) 2005-03-11 2006-09-14 Optibag Systems Ab Contenant a dechets et dispositif correspondant, procede et systeme de tri de ces contenants a dechets
NO332365B1 (no) * 2011-04-01 2012-09-03 Envac Optibag Ab Fremgangsmate og system for identifisering av avfallsbeholdere pa grunnlag av monster
WO2012134389A1 (fr) 2011-04-01 2012-10-04 Envac Optibag Ab Procédé et système permettant d'identifier des contenants de déchets en fonction d'une forme
CN105499144A (zh) * 2014-12-22 2016-04-20 渤海大学 用于工业流水线零件分选方法及分选装置
WO2019211267A1 (fr) 2018-05-02 2019-11-07 Envac Optibag Ab Tri combiné de conteneurs de déchets et de matériau

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000024531A1 (fr) * 1998-10-22 2000-05-04 Jan Boie Pedersen Procede et appareil de tri d'ordures et robot conçu a cet effet
SE0103165L (sv) * 2001-09-24 2002-07-02 Optibag Systems Ab Metod att sortera avfallspåsar och anordning för genomförande av metoden
CN108722908A (zh) * 2018-05-28 2018-11-02 广东工业大学 一种物体分拣系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2147611A1 (de) * 1970-09-26 1972-05-25 Nii Konservna Promischlenost Verfahren und Einrichtung zum Sortieren von Tomaten nach der Farbe
DE2347973A1 (de) * 1973-01-26 1974-08-08 Borden Inc Pruef- und ueberwachungsvorrichtung insbesondere zur erfassung von fremdkoerpern in mittels serienproduktion hergestellten gegenstaenden
WO1990011142A1 (fr) * 1989-03-23 1990-10-04 Sellbergs Engineering Ab Procede et appareil de manutention de dechets

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2147611A1 (de) * 1970-09-26 1972-05-25 Nii Konservna Promischlenost Verfahren und Einrichtung zum Sortieren von Tomaten nach der Farbe
DE2347973A1 (de) * 1973-01-26 1974-08-08 Borden Inc Pruef- und ueberwachungsvorrichtung insbesondere zur erfassung von fremdkoerpern in mittels serienproduktion hergestellten gegenstaenden
WO1990011142A1 (fr) * 1989-03-23 1990-10-04 Sellbergs Engineering Ab Procede et appareil de manutention de dechets

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995032062A1 (fr) * 1994-05-20 1995-11-30 Ab Wahlquists Verkstäder Dispositif pour trier des sacs de dechets
WO2004050264A1 (fr) * 2002-12-04 2004-06-17 Optibag Systems Ab Procede et dispositif de tri de sacs de dechets
WO2006096101A1 (fr) 2005-03-11 2006-09-14 Optibag Systems Ab Contenant a dechets et dispositif correspondant, procede et systeme de tri de ces contenants a dechets
NO332365B1 (no) * 2011-04-01 2012-09-03 Envac Optibag Ab Fremgangsmate og system for identifisering av avfallsbeholdere pa grunnlag av monster
NO20110508A1 (no) * 2011-04-01 2012-09-03 Envac Optibag Ab Fremgangsmåte og system for identifisering av avfallsbeholdere på grunnlag av mønster
WO2012134389A1 (fr) 2011-04-01 2012-10-04 Envac Optibag Ab Procédé et système permettant d'identifier des contenants de déchets en fonction d'une forme
US9405992B2 (en) 2011-04-01 2016-08-02 Envac Optibag Ab Method and system for identifying waste containers based on pattern
CN105499144A (zh) * 2014-12-22 2016-04-20 渤海大学 用于工业流水线零件分选方法及分选装置
WO2019211267A1 (fr) 2018-05-02 2019-11-07 Envac Optibag Ab Tri combiné de conteneurs de déchets et de matériau

Also Published As

Publication number Publication date
SE9102894L (sv) 1992-07-13
SE9102894D0 (sv) 1991-10-07
SE467394B (sv) 1992-07-13

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