EP1583618B1 - Method and arrangement for the sorting of refuse sacks - Google Patents

Method and arrangement for the sorting of refuse sacks Download PDF

Info

Publication number
EP1583618B1
EP1583618B1 EP03812407A EP03812407A EP1583618B1 EP 1583618 B1 EP1583618 B1 EP 1583618B1 EP 03812407 A EP03812407 A EP 03812407A EP 03812407 A EP03812407 A EP 03812407A EP 1583618 B1 EP1583618 B1 EP 1583618B1
Authority
EP
European Patent Office
Prior art keywords
refuse
sorting
sacks
identification
sorted
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.)
Expired - Lifetime
Application number
EP03812407A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1583618A1 (en
Inventor
Christer ÖJDEMARK
Christian TORÄNG
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.)
Envac Optibag AB
Original Assignee
OPTIBAG SYSTEMS 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 OPTIBAG SYSTEMS AB filed Critical OPTIBAG SYSTEMS AB
Publication of EP1583618A1 publication Critical patent/EP1583618A1/en
Application granted granted Critical
Publication of EP1583618B1 publication Critical patent/EP1583618B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour

Definitions

  • the present invention relates to a method and an arrangement for the sorting of refuse sacks according to the pre-characterising clause of claim 1 and claim 4 respectively.
  • SE 507 257 discloses a method of the aforementioned type. According to the method each refuse sack is assigned a predetermined means of identification, such as colour coding, for each refuse fraction, by means of which sacks are sorted. The refuse sacks are transported along a conveyor and are sorted by successively identifying and separating each refuse sack having a predetermined means of identification.
  • SE 517 667 discloses a method of sorting for identifying sacks having a means of identification, but in contrast to the aforementioned method it is refuse sacks not having a predetermined means of identification that are separated out. In the sorting of refuse sacks provided with means of identification, there is a general desire to achieve a greater number of unadulterated fractions of refuse sacks, low energy consumption and low costs.
  • the object of the present invention is to provide a method that is improved in the aforementioned respects.
  • a further object of the invention is to provide an arrangement for performing the method according to the invention. This is achieved by an arrangement having the characteristics specified in claim 4.
  • the invention affords lower sorting-related costs and lower energy consumption. Furthermore, the sorting can be performed with few errors, which is important in obtaining unadulterated fractions, which is in turn important for processable fractions, as in the manufacture of biogas, composts and in other material recycling.
  • FIG. 1 in a schematic plan view from above shows an example of an arrangement for carrying out the sorting of two selected fractions of refuse sacks according to a known method
  • Fig. 2 similarly shows an example of an arrangement for carrying out sortings of two selected fractions of refuse sacks according to the present invention with the same degree of adulteration of the residual fraction and essentially the same capacity.
  • Figs. 1 and 2 Figs.
  • 3 and 4 show two comparative examples of the sorting of five selected fractions of refuse sacks according to a known method and according to the present invention, it being possible here also to carry out the sorting with the same degree of adulteration of the residual fraction and essentially the same capacity.
  • the sacks provided with red (R) colour coding are identified and separated at the first three sorting stations 4a-6a, 4b-6b, 4c-6c and thereafter the sacks provided with green (G) colour coding are identified and separated at the three succeeding sorting stations 7a-9a, 7b-9b, 7c-9c.
  • R red
  • G green
  • Separating sacks identifiable by the same colour at multiple succeeding sorting stations in this way naturally increases the capacity but primarily improves the unadulterated nature of the unseparated residual fraction, that is to say the sacks which have not been identified at any earlier sorting station.
  • both sacks with red (R) and green (G) colour coding are identified and separated in order to finally transport the separated sacks back to the feed input for renewed sorting as indicated by the conveyor belt 11.
  • Figs. 3 and 4 the sorting of five differently colour-coded, randomly distributed refuse sacks containing different refuse fractions according to a known method and according to the method of the invention will be demonstrated with reference to Figs. 3 and 4 .
  • the refuse sacks are placed and transported on three parallel sorting conveyors 3a, 3b, 3c each having the sorting stations 4a-4c, 5a-5c, 7a-7c, 8a-8c, 11a-11c, 12a-12c, 13a-13c.
  • the sacks provided with red (R), green (G), blue (B) orange (O) and grey (GR) colour coding are identified and separated in such a way that on each sorting conveyor 3a-3c the sacks provided with red (R) colour coding are separated from the other sacks at the first two sorting stations 4a-4c, 5a-5c, and sacks provided with green (G) colour coding are then separated at the two succeeding sorting stations 7a-7c, 8a-8c.
  • Refuse sacks with blue (B), orange (O) or grey (GR) colour coding are identified and separated at the three succeeding sorting stations 11a-11-c, 12a-12c, 13a-13c. In this example, therefore, 21 sorting stations are needed.
  • a sorting according to the invention of five differently colour-coded, randomly distributed refuse sacks the refuse sacks are placed and transported as illustrated in Fig. 4 .
  • the first four sorting stations 4a-4c, 5a-5c, 7a-7c, 8a-8c produce a separation of sacks provided with red (R) and green (G) colour coding.
  • a final sorting station (14a-14c) for each conveyor 3a-3c sacks provided with blue (B), orange (O) or grey (GR) colour coding are simultaneously identified and separated onto yet another sorting conveyor 15.
  • sacks provided with blue (B), orange (O) or grey (GR) colour coding are identified and separated onto yet another sorting conveyor 15.
  • three successively arranged sorting stations 16, 17, 18 in which sacks provided with blue (B), orange (O) or grey (GR) colour coding are identified and separated.
  • the degree of adulteration achieved corresponds to that obtained in the example of the prior art, but is achieved with a smaller number of sorting stations, that is, in this example, 18 stations.

Landscapes

  • Sorting Of Articles (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Refuse Collection And Transfer (AREA)
  • Discharge Of Articles From Conveyors (AREA)
EP03812407A 2002-12-04 2003-12-03 Method and arrangement for the sorting of refuse sacks Expired - Lifetime EP1583618B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0203587 2002-12-04
SE0203587A SE524476C2 (sv) 2002-12-04 2002-12-04 Metod vid och anordning för sortering av avfallspåsar
PCT/SE2003/001888 WO2004050264A1 (en) 2002-12-04 2003-12-03 Method and arrangement for the sorting of refuse sacks

Publications (2)

Publication Number Publication Date
EP1583618A1 EP1583618A1 (en) 2005-10-12
EP1583618B1 true EP1583618B1 (en) 2010-12-01

Family

ID=20289758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03812407A Expired - Lifetime EP1583618B1 (en) 2002-12-04 2003-12-03 Method and arrangement for the sorting of refuse sacks

Country Status (8)

Country Link
EP (1) EP1583618B1 (no)
AT (1) ATE490031T1 (no)
AU (1) AU2003302596A1 (no)
DE (1) DE60335213D1 (no)
DK (1) DK1583618T3 (no)
NO (1) NO327137B1 (no)
SE (1) SE524476C2 (no)
WO (1) WO2004050264A1 (no)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO332365B1 (no) * 2011-04-01 2012-09-03 Envac Optibag Ab Fremgangsmate og system for identifisering av avfallsbeholdere pa grunnlag av monster
WO2012134389A1 (en) 2011-04-01 2012-10-04 Envac Optibag Ab Method and system for identifying waste containers based on pattern

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1855964T3 (en) 2005-03-11 2016-05-23 Envac Optibag Ab DEVICE AND PROCEDURE FOR SORTING OF WASTE CONTAINERS
SE538957C2 (sv) 2014-12-17 2017-03-07 Envac Optibag Ab Sorting system with multiple sorting devices
SE540708C2 (en) * 2016-10-14 2018-10-16 Envac Optibag Ab Disposable waste bag, system and method of gripping and emptying a bag, and a system for recycling waste
SE543185C2 (sv) 2018-05-02 2020-10-20 Envac Optibag Ab Kombinerad sortering av avfallsbehållare och material
CN110525842A (zh) * 2019-09-12 2019-12-03 深圳市盘龙环境技术有限公司 大件垃圾自动分类管理系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE500076C2 (sv) * 1989-03-23 1994-04-11 Sellbergs Engineering Ab Sätt att omhänderta avfall
SE467394B (sv) * 1991-10-07 1992-07-13 Wahlquists Verkstaeder Ab Anordning foer sortering av avfallspaasar
DK168151B1 (da) * 1992-01-28 1994-02-21 F P Industriservice A S Fremgangsmåde og anlæg til sortering af emner
SE508007C2 (sv) * 1994-05-20 1998-08-10 Wahlquists Verkstaeder Ab Anordning för sortering av avfallspåsar
SE507257C2 (sv) * 1995-01-19 1998-05-04 Wahlquists Verkstaeder Ab Metod och anordning för att detektera en förutbestämd färg
SE0103165L (sv) * 2001-09-24 2002-07-02 Optibag Systems Ab Metod att sortera avfallspåsar och anordning för genomförande av metoden

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO332365B1 (no) * 2011-04-01 2012-09-03 Envac Optibag Ab Fremgangsmate og system for identifisering av avfallsbeholdere pa grunnlag av monster
WO2012134389A1 (en) 2011-04-01 2012-10-04 Envac Optibag Ab Method and system for identifying waste containers based on pattern

Also Published As

Publication number Publication date
EP1583618A1 (en) 2005-10-12
SE0203587L (sv) 2004-06-05
NO327137B1 (no) 2009-05-04
ATE490031T1 (de) 2010-12-15
SE524476C2 (sv) 2004-08-17
WO2004050264A1 (en) 2004-06-17
DK1583618T3 (da) 2011-03-07
NO20052686D0 (no) 2005-06-06
DE60335213D1 (de) 2011-01-13
NO20052686L (no) 2005-07-22
SE0203587D0 (sv) 2002-12-04
AU2003302596A1 (en) 2004-06-23

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