EP1429874A1 - Verfahren zum sortieren von abfallbeuteln und vorrichtung zur durchführung des verfahrens - Google Patents

Verfahren zum sortieren von abfallbeuteln und vorrichtung zur durchführung des verfahrens

Info

Publication number: EP1429874A1
Authority: EP; European Patent Office
Prior art keywords: waste; sacks; sorting; identification; conveyor belt
Prior art date: 2001-09-24
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

EP02802753A

Other languages

English (en)

French (fr)

Other versions

EP1429874B1 (de

Inventor

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.)

OPTIBAG SYSTEMS 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.)

2001-09-24

Filing date

2002-04-29

Publication date

2004-06-23

2002-04-29 Application filed by OPTIBAG SYSTEMS AB filed Critical OPTIBAG SYSTEMS AB

2004-06-23 Publication of EP1429874A1 publication Critical patent/EP1429874A1/de

2008-10-01 Application granted granted Critical

2008-10-01 Publication of EP1429874B1 publication Critical patent/EP1429874B1/de

2022-04-29 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000002699 waste material Substances 0.000 title claims abstract description 63
238000000034 method Methods 0.000 title claims abstract description 11
238000009826 distribution Methods 0.000 claims description 4
239000003086 colorant Substances 0.000 description 4
230000001133 acceleration Effects 0.000 description 3
-1 batteries Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
239000002920 hazardous waste Substances 0.000 description 1
239000002440 industrial waste Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000004806 packaging method and process Methods 0.000 description 1
239000000123 paper Substances 0.000 description 1
238000004064 recycling Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000005315 stained glass Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1

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 according to the pre-characterising clause of claim 1.
the present invention also relates to an arrangement according to the pre-characterising clause of claim 3.
Sorting at source therefore generates various fractions, which are often transported together to a sorting plant for sorting in a waste sorting arrangement. It is important, in the case of a waste sorting arrangement, that this has the capacity to separate and sort out the various types of fractions sorted at source, and that this sorting is performed with as few errors as possible. It is also advantageous if such a waste sorting arrangement is designed so that it can be readily expanded to include more types of waste fractions.
An arrangement for sorting sacks is already disclosed, for example, by SE 9401754-8.
This document discloses an arrangement for sorting differently coloured waste sacks, which occur in random distributions and contain different types of waste sorted at source.
This arrangement comprises sorting stations, which by means of a colour analysis described in SE 9500165-7 identify and then separate waste sacks of a predetermined colour, which are conveyed on a conveyor belt.
the arrangement does not comprise any control mechanism after sorting to ensure that separation has been performed correctly, that is to say that only waste sacks of the predetermined colour have been sorted out.
the object of the present invention is to provide greater sorting accuracy in the sorting of waste sacks. This is achieved by a method which has the characteristics specified in the characterising part of claim 1. An arrangement for performing the method has the characteristics specified in the characterising part of claim 3.
1 denotes a load hopper intended for unsorted waste sacks, the hopper being connected to a slatted conveyor 2 for conveying waste sacks to a distributing conveyor 3.
4 denotes an acceleration bar, which receives waste sacks from the distributing conveyor 3 and is designed to separate the waste sacks from one another so that they are placed on a first conveyor belt 5 at a certain interval from one another.
a first sorting arrangement 6 is arranged along the first conveyor belt 5 and is designed to sort out waste sacks of a predetermined colour.
Waste sacks of different colours contain different types of refuse sorted at source and in the load hopper 1 the differently coloured waste sacks occur in random distributions.
the waste sacks must be placed on the first conveyor belt 5, which conveys the waste sacks for sorting in the first sorting arrangement 6.
the waste sacks must be placed on the first conveyor 5 in such a way that two sacks do not end up alongside one another or on top of one another.
the waste sacks from the load hopper 1 are conveyed to the distributing conveyor by the slatted conveyor 2.
the distributing conveyor 3 distributes the waste sacks to the acceleration bar 2, which must ensure that two sacks do not lie too close or on top of on another on the first conveyor belt 5.
the waste sacks should be spaced at an interval of at least 0.5 m from one another on the first conveyor belt 5.
the sorting arrangement 6 uses sensors to detect when waste sacks of a predetermined colour on the first conveyor belt 5 reach and pass a certain position in the first sorting arrangement 6, and then actuates elements for removing the sack from the first conveyor belt 5. In this sorting, however, it may happen that a waste sack of a colour other than the predetermined colour is removed from the first conveyor belt 5. This occurs, despite the use of the acceleration bar 4, due to the fact that sacks lie too close to one another, so that a sack with a colour other than the predetermined colour is caught up with a sack of the predetermined colour when the later is separated out.
a second conveyor belt 7 is arranged beneath the first sorting arrangement 6 and a second sorting arrangement 8 is arranged along the second conveyor belt 7.
9 denotes a third conveyor belt, which is arranged beneath the second sorting arrangement 8 and is connected to the load hopper 1.
the second conveyor belt 7 is designed to receive all sacks separated out by the first sorting arrangement 6 and to convey these to the second sorting arrangement 8, which is designed to enhance the sorting accuracy by sorting waste sacks of different colours.
the second sorting arrangement 8 functions in a manner known in the art and is designed to identify and separate the sacks incorrectly sorted out by the sorting arrangement 6, that is to say to separate the sacks on the second conveyor belt that are of a colour other than the predetermined colour, to which the first sorting arrangement is sensitive.
the second sorting arrangement 8 must therefore be sensitive to all colours other than the colour to which the first sorting arrangement 6 is sensitive.
the sacks sorted out by the second sorting arrangement 8 are received by the third conveyor belt 9, which conveys the sacks incorrectly sorted out by the first sorting arrangement 6 back to the load hopper 1.
the returned sacks can then be conveyed to the first sorting arrangement 6 again for renewed sorting.
an arrangement according to the invention may comprise more than one first conveyor belt 5, which increases the sorting capacity, and more than one first sorting arrangement 6, which increases the number of different types of waste that can be sorted out.
the embodiment shown in Figure 1 comprises two parallel first conveyor belts 5 and two first sorting arrangements 6 and 6' along each of the first conveyor belts 5.
the sorting along the two conveyor belts 5 is preferably structured identically, that is to say the two first sorting arrangements 6 are both sensitive to the same predetermined colour and the two first sorting arrangements 6' are both sensitive to the same predetermined colour.
Running under the two first sorting arrangements 6 is a second conveyor belt 7, which receives sacks moved from the two first conveyor belts 5.
a second conveyor belt 7 similarly runs beneath both of the first sorting arrangements 6'.
a second sorting arrangement 8 and 8' respectively is designed to sort out the sacks incorrectly sorted out from the first sorting arrangements 6 and 6' and to increase the sorting accuracy.

Landscapes

Sorting Of Articles (AREA)
Control And Other Processes For Unpacking Of Materials (AREA)
Supplying Of Containers To The Packaging Station (AREA)
Discharge Of Articles From Conveyors (AREA)
Sheets, Magazines, And Separation Thereof (AREA)

EP02802753A 2001-09-24 2002-04-29 Verfahren zum sortieren von abfallbeuteln und vorrichtung zur durchführung des verfahrens Expired - Lifetime EP1429874B1 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
SE0103165		2001-09-24
SE0103165A SE0103165L (sv)	2001-09-24	2001-09-24	Metod att sortera avfallspåsar och anordning för genomförande av metoden
PCT/SE2002/000833 WO2003039773A1 (en)	2001-09-24	2002-04-29	A method for sorting out waste bags and a device for carrying out the method

Publications (2)

Publication Number	Publication Date
EP1429874A1 true EP1429874A1 (de)	2004-06-23
EP1429874B1 EP1429874B1 (de)	2008-10-01

Family

ID=20285417

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02802753A Expired - Lifetime EP1429874B1 (de)	2001-09-24	2002-04-29	Verfahren zum sortieren von abfallbeuteln und vorrichtung zur durchführung des verfahrens

Country Status (7)

Country	Link
EP (1)	EP1429874B1 (de)
AT (1)	ATE409528T1 (de)
DE (1)	DE60229152D1 (de)
DK (1)	DK1429874T3 (de)
NO (1)	NO325317B1 (de)
SE (1)	SE0103165L (de)
WO (1)	WO2003039773A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE524476C2 (sv) *	2002-12-04	2004-08-17	Optibag Systems Ab	Metod vid och anordning för sortering av avfallspåsar
WO2006096101A1 (en)	2005-03-11	2006-09-14	Optibag Systems Ab	Waste container and arrangement, method and system for sorting of such waste containers
FI20095369A0 (fi)	2009-04-03	2009-04-03	Maricap Oy	Menetelmä ja väline jätteenkäsittelyssä
FI123620B (fi)	2009-04-03	2013-08-15	Maricap Oy	Menetelmä ja väline jätteenkäsittelyssä
FI122025B (fi)	2009-09-14	2011-07-29	Maricap Oy	Menetelmä jätteiden lajittelemiseksi ja jätteidenlajittelujärjestelmä
FI126537B (fi)	2014-08-13	2017-01-31	Metrosense Oy	Menetelmä, laitteisto ja järjestelmä jätteiden lajittelemiseksi
SE538957C2 (sv) *	2014-12-17	2017-03-07	Envac Optibag Ab	Sorting system with multiple sorting devices
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 (4)

* 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
SE9102894L (sv) *	1991-10-07	1992-07-13	Wahlquists Verkstaeder Ab	Anordning foer sortering av avfallspaasar
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

2001
- 2001-09-24 SE SE0103165A patent/SE0103165L/ unknown
2002
- 2002-04-29 AT AT02802753T patent/ATE409528T1/de not_active IP Right Cessation
- 2002-04-29 WO PCT/SE2002/000833 patent/WO2003039773A1/en not_active Ceased
- 2002-04-29 DE DE60229152T patent/DE60229152D1/de not_active Expired - Lifetime
- 2002-04-29 DK DK02802753T patent/DK1429874T3/da active
- 2002-04-29 EP EP02802753A patent/EP1429874B1/de not_active Expired - Lifetime
2004
- 2004-03-04 NO NO20040943A patent/NO325317B1/no not_active IP Right Cessation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03039773A1 *

Also Published As

Publication number	Publication date
SE517667C2 (sv)	2002-07-02
EP1429874B1 (de)	2008-10-01
WO2003039773A1 (en)	2003-05-15
ATE409528T1 (de)	2008-10-15
DK1429874T3 (da)	2009-02-02
NO20040943D0 (no)	2004-03-04
SE0103165L (sv)	2002-07-02
SE0103165D0 (sv)	2001-09-24
NO20040943L (no)	2004-04-16
NO325317B1 (no)	2008-03-31
DE60229152D1 (de)	2008-11-13

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