EP0158793B1 - Dipositif pour le tri préalable de mélanges de matières récupérables solides - Google Patents

Dipositif pour le tri préalable de mélanges de matières récupérables solides Download PDF

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Publication number
EP0158793B1
EP0158793B1 EP85102034A EP85102034A EP0158793B1 EP 0158793 B1 EP0158793 B1 EP 0158793B1 EP 85102034 A EP85102034 A EP 85102034A EP 85102034 A EP85102034 A EP 85102034A EP 0158793 B1 EP0158793 B1 EP 0158793B1
Authority
EP
European Patent Office
Prior art keywords
conveyor
mixture
presorting
bearing
worm
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
Application number
EP85102034A
Other languages
German (de)
English (en)
Other versions
EP0158793A2 (fr
EP0158793A3 (en
Inventor
Eberhard Stodt
Erwin Kaldenbach
Hans-Günter Dipl.-Ing. Lapp
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.)
Lyndex Recycling Systems Ltd
Original Assignee
Lindemann Maschinenfabrik GmbH
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 Lindemann Maschinenfabrik GmbH filed Critical Lindemann Maschinenfabrik GmbH
Priority to AT85102034T priority Critical patent/ATE39859T1/de
Publication of EP0158793A2 publication Critical patent/EP0158793A2/fr
Publication of EP0158793A3 publication Critical patent/EP0158793A3/de
Application granted granted Critical
Publication of EP0158793B1 publication Critical patent/EP0158793B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
    • B07B13/05—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size using material mover cooperating with retainer, deflector or discharger

Definitions

  • the invention relates to a device for pre-sorting solid materials with the aid of an open mixture conveyor, with a transverse conveyor arranged at a distance above the mixture conveyor at an angle to its conveying direction, the storage of which in the vertical plane permits inclination and height adjustment of the screw conveyor.
  • Waste management uses a wide variety of treatment systems to recover the valuable materials contained in industrial and municipal waste.
  • the municipal waste which is often pre-sorted into household waste and wet waste, is transported in separate containers.
  • the valuable materials from the so-called green bin consist of a mixture with high proportions of glass and plastic, in particular containers, paper, cardboard, wood, textiles and metals, which require further processing in order to separate unusable or certain usable fractions. It is precisely this which causes particular difficulties which have led to the fact that none of the known processing systems has so far proven to be completely satisfactory.
  • a device of the type mentioned at the outset is known as such from GB-A-774461, but is only intended for homogeneous material, such as, for example, gravel, in order to sort according to size.
  • the cross conveyor of this known device is adapted to the material to be sorted there in a manner which renders it unsuitable for use in connection with mixtures of materials of the type processed by the invention.
  • the known cross conveyor is namely designed as a pin or beater roller and is therefore unsuitable for the non-destructive conveying of container glass. Difficulties would also arise in paper conveying with this cross conveyor, since large balls of paper or cardboard boxes are impaled and undesirably lifted onto the discharge side of the mixture conveyor or get caught on the cross conveyor.
  • Thick books e.g. B. Phonebooks
  • Thick books could be flipped so that they would have a lower height and also on the discharge side of the mixture conveyor, ie on the side on which only the smaller-sized goods are to be discharged, would be carried out incorrectly.
  • Another disadvantage of the known cross conveyor is that it cannot be lifted by the material if, for example, unusually high resistances occur, which can then damage the cross conveyor.
  • the invention is therefore based on the object to avoid the aforementioned disadvantages and in particular to provide a device for pre-sorting, which is suitable for preferably non-comminuted recyclables, in particular with high proportions of container glass and paper, for separating larger-volume mixture constituents and ensures that with trouble-free operation and as little breakage as possible, a clean pre-sorting takes place and a subsequent sorting section is fed with a single-layer material layer.
  • the cross conveyor is designed as a screw conveyor for presorting a mixture of valuable materials with high proportions, in particular of container glass and paper, and is supported on one side, the bearing point being a longitudinal bearing that allows both the rotational mobility and the longitudinal displacement of the screw conveyor, a free vertical one Cross bearing allowing pivoting and a pedestal that allows height adjustment and horizontal pivoting comprises.
  • the cross conveyor Due to the inventive one-sided mounting of the cross conveyor designed as a screw conveyor with free height mobility in the cross bearing, the cross conveyor lies only loosely on the material and can reload if overloaded dodge at the top.
  • the axes of the two conveyors preferably run at an optionally adjustable angle of 30 to 90 ° to one another in order to facilitate lateral deflection and separation of the coarse material. Large angles enable short overall lengths, although at an angle of around 90 ° there is a risk of small parts being carried away.
  • the vertical distance between the conveyors can be 35 to 200 mm, for example 45 to 50 mm, in order to allow paper to pass through to the thickness of the telephone book or catalog.
  • the screw conveyor according to the invention is horizontally and / or vertically pivotable and / or height-adjustable, the separation effect can be adjusted sensitively to the respective coarse material and, in the event of a malfunction, the mixture conveyor can be made sufficiently and quickly accessible.
  • the cross conveyor is supported in the vertical and / or horizontal at one or more stops and is under the action of a spring or a weight in order to ensure the desired working position on the one hand but also an easy one enable automatic dodging within certain limits. Reaching the limit position can be connected to signaling.
  • a single- or also multi-flight, in particular conical conveyor screw for example with a flight depth of 25 to 40 mm and an optionally increasing gradient in the conveying direction of 60 to 80 mm and a diameter difference on the two end faces of, has proven particularly advantageous when separating the coarse material 80 to 200 mm or a minimum screw diameter of 65 to 80 mm.
  • the screw conveyor can be provided with scrapers which engage in the screw flights in order to keep them clean.
  • the screw conveyor does not have to extend over the entire width of the mixture conveyor; rather, it can also end at a distance from the outer edge of the mixture conveyor in order to create a passage in this way, the width of which depends on the nature of the coarse material.
  • the end face of the screw conveyor should be provided with a coarse material deflector, for example a guide plate or a roller, in order to guide the coarse material around the end of the screw conveyor and to avoid penetration into the interior of the conveyor.
  • the mixture conveyor is designed on the discharge side as a preferably level-compensating, for example L-shaped slide in plan view.
  • One leg of this slide can lie on the outer edge of the mixture conveyor or on the passage side.
  • Such a slide contributes to a clean separation result and in particular protects the glass fraction of the mixture when it is transferred to a subsequent unit or to a collecting container.
  • the screw conveyor can also protrude above the mixture conveyor and end above a coarse material conveyor, which preferably transports the sorted coarse material away in the direction of the mixture conveyor.
  • a coarse material conveyor which preferably transports the sorted coarse material away in the direction of the mixture conveyor.
  • the conveyor gap between the screw conveyor and the mixture conveyor can have an irregular, in particular triangular, cross section.
  • Such a cross-section results if the mixture conveyor has an angular conveying surface.
  • the largest distance between the two conveyors should be between half and four fifths the width of the mixture conveyor, calculated from the drive end of the cross conveyor.
  • the pre-sorter consists of a mixture conveyor 1 with a feed hopper 2 for a mixture of non-shredded valuable materials on the one hand and a level-compensating slide 3 in plan view, on the other hand, one leg of which runs parallel to the outer edge 4 of the mixture conveyor 1 and delimits an opening 5, below which the task end of a sorting route, not shown, is located.
  • a two-flight screw conveyor 6 extends at a distance as a transverse conveyor with an included angle a between the two conveying directions 7, 8.
  • the screw conveyor 6 has a drive 9 and a longitudinal bearing 10, a transverse bearing 11 and a pillow block bearing 12.
  • the longitudinal bearing 10 allows the screw conveyor 6 to rotate about its longitudinal axis, while with the transverse bearing 11 the angular position of the screw conveyor 6 with respect to the horizontal or the conveying plane of the mixture conveyor 1 and with the pedestal bearing 12 the angular position of the conveying path with respect to the conveying direction 8 or the inclusion angle a can be set.
  • the direction of rotation of the screw conveyor 6 is so chosen that it gives the coarse material coming into contact with a movement impulse in the direction of the coarse material passage.
  • the coarse material is accordingly separated out laterally at the passage 16, while the fine material continues to move through the conveyor gap located below the screw conveyor.
  • the cross conveyor or the screw conveyor 6 ends at a distance from the outer edge 4 of the mixture conveyor 1, so that there is a passage 17, the width of which depends on the angular position of the screw conveyor 6.
  • a coarse material deflector 18 At the free end of the screw conveyor 6 there is a coarse material deflector 18 which prevents the coarse material from penetrating and getting caught at the end of the screw.
  • a two-flight conical screw conveyor 22 with a decreasing diameter toward the free screw end extends above a mixture conveyor 1, the conveyor plane of which initially runs parallel to the screw axis 23 and then in the area of the outer edge 4 at an angle to the screw axis.
  • a triangular conveyor gap 24 results, which is followed laterally by a coarse material conveyor 20.
  • the conveying gap 24 forms a passage 25 in the area of the greatest distance between the mixture conveyor 1 and the conveying screw 22 and allows the coarse material to be separated into two fractions, i. H. a coarse material fraction of smaller piece size passing through the passage 25 and a coarse material fraction of larger piece size reaching the coarse material conveyor 20 via the outer edge 4.
  • the coarse material is picked up by a screw conveyor and deflected at an angle to the direction of transport of the mixture conveyor to the free screw end and conveyed there in different ways.
  • the separating cut between the coarse material and the fine one can be adjusted very sensitively depending on the mixture consistency and thus achieve that the fine section is fed over the slide in a single-layer layer.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Discharge Of Articles From Conveyors (AREA)
  • Sorting Of Articles (AREA)

Claims (7)

1. Dispositif de pré-classement de matières solides à l'aide d'un transporteur de mélange ouvert et d'un transporteur transversal qui est situé à une certaine distance au-dessus du transporteur de mélange et fait un certain angle avec sa direction de transport et dont le mode d'appui dans le plan vertical permet un réglage en obliquité et un réglage en hauteur de la vis transporteuse sans fin, caractérisé en ce que le transporteur transversal est constitué par une vis sans fin (6, 22) pour le pré-classement d'un mélange de matières de valeur contenant une forte proportion notamment de verres d'emballage et de papier et est monté sur paliers d'un seul côté, son dispositif d'appui (10, 11, 12) comprenant un palier longitudinal qui donne à la vis transporteuse sans fin (6, 22) la possibilité de rotations aussi bien que de déplacements dans le sens de la longueur, un palier transversal (11) qui permet des pivotements dans le sens vertical et un troisième palier (12) qui permet aussi bien le réglage en hauteur que les déplacements dans le sens horizontal.
2. Dispositif selon la revendication 1, caractérisé en ce que la vis transporteuse (6, 22) prend appui à la verticale et/ou à l'horizontale sur une butée et est soumis à l'action d'un ressort ou d'un poids (13).
3. Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que la vis transporteuse (6, 22) se termine au-dessus d'un transporteur 20 de produits volumineux.
4. Dispositif selon une ou plusieurs des revendications 1 à 3, caractérisé en ce que la vis transporteuse (6) se termine à une certaine distance du bord extérieur (4) et comporte sur son côté avant un dispositif (18) écartant les produits volumineux.
5. Dispositif selon une ou plusieurs des revendications 1 à 4, caractérisé par un intervalle de transport (24) de section triangulaire entre les transporteurs (1, 6, 22).
6. Dispositif selon la revendication 5, caractérisé en ce que le transporteur de mélange (1) a une surface de transport de section angulaire.
7. Dispositif selon une ou plusieurs des revendications 1 à 6, caractérisé par une vis transporteuse (22) conique.
EP85102034A 1984-03-29 1985-02-23 Dipositif pour le tri préalable de mélanges de matières récupérables solides Expired EP0158793B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85102034T ATE39859T1 (de) 1984-03-29 1985-02-23 Vorrichtung zum vorsortieren fester wertstoffgemische.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843411606 DE3411606A1 (de) 1984-03-29 1984-03-29 Vorrichtung zum vorsortieren fester wertstoffgemische
DE3411606 1984-03-29

Publications (3)

Publication Number Publication Date
EP0158793A2 EP0158793A2 (fr) 1985-10-23
EP0158793A3 EP0158793A3 (en) 1986-04-23
EP0158793B1 true EP0158793B1 (fr) 1989-01-11

Family

ID=6231981

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85102034A Expired EP0158793B1 (fr) 1984-03-29 1985-02-23 Dipositif pour le tri préalable de mélanges de matières récupérables solides

Country Status (4)

Country Link
EP (1) EP0158793B1 (fr)
AT (1) ATE39859T1 (fr)
DE (2) DE3411606A1 (fr)
ES (1) ES8701111A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19913284C2 (de) * 1999-03-24 2002-11-28 Trienekens Ag Batteriesortiervorrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR963642A (fr) * 1950-07-17
GB191321977A (en) * 1913-09-30 1914-07-16 John Martin Newton Improvements in Fruit and Vegetable Graders and Cleaners and the like.
FR805542A (fr) * 1936-04-29 1936-11-21 Machine à calibrer les fruits se rapprochant de la forme sphérique
GB774461A (en) * 1951-05-25 1957-05-08 Standfast Dyers & Printers Ltd Improvements relating to process and apparatus for dyeing textile or other webs involving passage through a molten metal bath
US2913108A (en) * 1957-01-07 1959-11-17 Joseph A Amori Shear-off article sizing mechanism and method
US3043429A (en) * 1960-04-05 1962-07-10 Osmanski Alphonse Rock sorter
DE2656913C3 (de) * 1976-12-16 1980-01-10 Fr-Z Grimme Landmaschinenfabrik, 2845 Damme Trennvorrichtung für Kartoffelerntemaschinen
DE3305368A1 (de) * 1983-02-17 1984-08-23 Lindemann Maschinenfabrik GmbH, 4000 Düsseldorf Vorrichtung zum sortieren und trennen eines wertstoffgemisches

Also Published As

Publication number Publication date
ES8701111A1 (es) 1986-11-16
EP0158793A2 (fr) 1985-10-23
ATE39859T1 (de) 1989-01-15
ES541536A0 (es) 1986-11-16
DE3411606A1 (de) 1985-10-03
EP0158793A3 (en) 1986-04-23
DE3567387D1 (en) 1989-02-16

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