EP0550867A1 - Appareil pour la séparation de métaux non-magnétisables à partir d'un mélange de solides - Google Patents

Appareil pour la séparation de métaux non-magnétisables à partir d'un mélange de solides Download PDF

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Publication number
EP0550867A1
EP0550867A1 EP92121710A EP92121710A EP0550867A1 EP 0550867 A1 EP0550867 A1 EP 0550867A1 EP 92121710 A EP92121710 A EP 92121710A EP 92121710 A EP92121710 A EP 92121710A EP 0550867 A1 EP0550867 A1 EP 0550867A1
Authority
EP
European Patent Office
Prior art keywords
mixture
separating
parting
parabolas
magnetic field
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.)
Granted
Application number
EP92121710A
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German (de)
English (en)
Other versions
EP0550867B1 (fr
Inventor
Eberhard Stodt
Erwin Kaldenbach
Elmar Klomfass
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
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Publication of EP0550867A1 publication Critical patent/EP0550867A1/fr
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Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/23—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp
    • B03C1/24—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp with material carried by travelling fields
    • B03C1/247—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp with material carried by travelling fields obtained by a rotating magnetic drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/20—Magnetic separation of bulk or dry particles in mixtures

Definitions

  • the invention relates to a device for separating non-magnetisable metals, in particular non-ferrous metals, from a solid mixture with an alternating magnetic field generator that deflects the mixture components on parabolas.
  • An alternating magnetic field which can be generated, for example, as is known from German Patent 3,817,003, by means of an inductor or by means of a magnetic rotor, makes it possible to carry out the so-called eddy current separation of non-magnetizable, electrically highly conductive metals.
  • the feed material can be guided over the poles of an alternating magnetic field generator, for example on a conveyor belt or in free fall. Eddy currents are induced in the electrically highly conductive constituents of the mixture to be separated, which build up their own magnetic fields which are directed opposite the generating field and accelerate these constituents relative to the other constituents of the mixture on account of the electromagnetic forces which result.
  • Eddy current separation can be used to separate non-ferromagnetic, highly electrically conductive substances, such as aluminum and copper, from non-ferrous solid mixtures and non-ferrous metal / non-metallic solid mixtures, such as automobile shredder rubble, electronic scrap and the like. If these mixtures contain ferromagnetic parts, the eddy current separation can be preceded by a magnetic separation in order to remove ferromagnetic parts beforehand. In addition, other sorting and classifying stages are expediently connected upstream of the eddy current separation, because the greatest possible pre-enrichment and fractionation of the applied solid mixture have a positive effect on the separation success and the throughput of the eddy current separator.
  • a rapidly rotating rotor which is equipped with permanent magnets and whose position can be adjusted is arranged eccentrically in the interior of an outer drum wrapped in a conveyor belt.
  • the solid mixture fed via the conveyor belt is flooded by the full flow of the magnetic field when it reaches the material discharge zone. Because exactly in this area the magnetic rotor has been set so that when the material to be separated falls or slides due to gravity, the combination of mechanical ejection forces with the latest possible forces of the magnetic field for the non-ferrous metals is the greatest Deflection of the throwing parabola and thus a deliberate separation from the other mixture components results.
  • the non-ferrous metals deflected on a wide throwing parabola fall in a defined manner into a collecting container that is located away from the collection point for the other mixture components.
  • the separation into valuable non-ferrous metal components and other components is supported by means of a separation apex which can be adjusted with its apex in a substantially horizontal direction. The latter components fall down essentially without deflection and, viewed in the transport direction, reach an area in front of the parting parting.
  • An eddy current separator known from DE-OS 3 810 715 has, instead of a rotor equipped with permanent magnets or an inductor, two mutually parallel, vertical, rotationally driven disks which are occupied by magnets of alternating polarity.
  • the solid mixture to be separated enters the upper middle region between the disks via a feed device.
  • the magnets on the rotating disks induce eddy currents with a high field density in the solid mixture entering the space between the disks, which eddy currents are surrounded by a magnetic field which interacts with the magnetic field of the rotating disks.
  • the different conductivity of the mixture constituents of the solid mixture for example non-magnetic steels, which have an austenitic or austenitic / ferritic structure and whose electrical conductivity is low, can be achieved separate those components whose conductivity is good, such as copper. While components made of stainless steel thus reach the outlet opening assigned to them without any significant influence by the magnetic field of the rotating disks, copper parts fall radially further outwards due to the magnetic interaction achieved and thus separate from the electrically poorly conductive parts. The separation of the mixture constituents is promoted by a separating apex immersed between the parabolas.
  • the invention has for its object to provide a generic device that allows a variable mode of operation in a simple manner and makes it possible in one Pass to obtain the desired fractions contained in the solid mixture separately.
  • this object is achieved by at least two separating vertices which are arranged at a distance from one another and each protrude between adjacent throwing parabolas. It is thus possible to separate several different constituents simultaneously from one solid mixture fed to the alternating magnetic field generator.
  • the invention is based on the consideration that in the case of a pre-classified, ie assigned to a certain separation particle size range, for example obtained by sieving, a mixture of solids with different materials due to differing densities there are correspondingly different parabolas. The heavier the material, the shorter the throwing parabola.
  • copper and / or brass can be separated from aluminum, magnesium and zinc if - as achieved by the invention - it is prevented that the recyclable materials separated from one another then still mix in a common collection point.
  • a dividing line advantageously projects between the throwing parabolas of - then given in the order of decreasing densities copper and zinc or zinc and aluminum or aluminum and magnesium, and a dividing line continues between the shortest parabola (in the example above that of copper) and
  • the remaining mixture components which were not accelerated by the magnetic field, could be separated in one work step not only from the non-ferrous metals from the other components, but also from one another.
  • the dry separation of non-ferrous metals that is possible with the known non-ferrous magnetic separators can also be used solely for separating non-ferrous metals from one another.
  • the dividers are adjustable and can be moved horizontally and vertically to a new setting position to be secured, the dividers can be adjusted to suit other throwing parabolas if the composition of the solid mixture is changed.
  • the parting partitions can be arranged in a housing, which in the simplest case only needs to consist of two side walls enclosing the parting partitions. Both the parting parting and the housing or the side walls should consist of an electrically non-conductive material, such as wood, ceramic or plastic.
  • the housing can advantageously be pivoted about a horizontal axis, a group-wide, central adjustment of all separating apices can be achieved by simply pivoting the housing about the pivot axis, for example by means of a cylinder acting on the housing.
  • An eddy current separating device 1 shown in FIG. 1 consists of two vertical disks 2 arranged at a distance from one another, on which flat permanent magnets are arranged within the disks in order to generate an effective magnetic field.
  • the disks 2 causing spreading or selection of the parabolas are fastened to a shaft driven in rotation in the direction of the arrow 3 and anchored to the foundation 6 via a support frame 5.
  • a solid mixture 7 to be separated (cf. in FIG. 1 the Arrow) is fed into the magnetic field which is particularly effective between the two disks 2 by means of a feed 8 engaging between the disks 2 from above.
  • the solid mixture to be separated in the eddy current separating device 1 is a mixture which has been freed from electrically poorly conductive parts in a previous work step and consists exclusively of non-ferrous metals and is composed, for example, of copper, aluminum and magnesium of approximately the same grain size. Because of the different densities of these materials, throwing parabolas W K , W A and W M deviate from one another under the influence of the alternating magnetic field.
  • the throwing parabola W K of heavy copper is usually shorter than the throwing parabola of light aluminum W A and the easiest magnesium of the three components mentioned (see the throwing parabola W M ).
  • the throwing distance is still influenced by the speed and frequency at which the material is introduced into the alternating magnetic field.
  • the disks 2 face two separation vertices 12 arranged in a housing 11 in the ejection direction, which are arranged at a distance from one another and of which the upper parting part 12 projects between the throwing parabolas W M and W A and the lower parting parting 12 between the throwing parabolas W A and W K.
  • the residual portions of the solid mixture which describe differently wide throwing parabolas due to their density differences are thus directed specifically to the collecting containers 9, 9a, 9b assigned to them, ie the heavy copper describing the shortest throwing parabola W K arrives in the collecting container 9, the lighter aluminum on the other hand reaches the collecting container 9a in accordance with the throwing parabola W A and the magnesium which is lighter on the other hand in accordance with the throwing parabola W M reaches the collecting container 9b furthest away in the direction of discharge.
  • the housing 11 which may also accommodate three or four or more separating partitions, contained in a mixed mixture constituent 7 supplied, consists of two side walls 14 (see FIG. 2) which enclose the parting partitions 12. So that the separation apex 12 adapt to changing compositions of the applied solid mixture, i.e. can be changed in their position with respect to the expected parabolas, they are arranged horizontally and vertically adjustable in the housing 11.
  • the side walls 14 are provided, on the one hand, with oblique slots 15 and, on the other hand, with horizontal slots 16 into which guide pins 17 of the separating apex 12 engage.
  • Each of the pins 17 removed from the disks 2 of the eddy current separating device 1 penetrate the outer walls 14 and engage in slots 18 from the outside on the side walls 14, which are pivotally hinged tabs 19.
  • On the side walls 14 fixed actuating cylinders 21 are connected via their pistons to the tabs 19; when the actuating cylinders 21 are acted upon, the separating apices 12 move into the desired position.
  • the entire housing 11 can also be adjusted about a horizontal pivot axis 22 in the direction of the double arrow 23 by means of an actuating cylinder 24 (cf. the position shown in broken lines in FIG. 1) of the housing 11) and in this way a common, central adjustment can be achieved with fixed dividers 12.

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  • Sorting Of Articles (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP92121710A 1992-01-04 1992-12-19 Appareil pour la séparation de métaux non-magnétisables à partir d'un mélange de solides Expired - Lifetime EP0550867B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4200093A DE4200093A1 (de) 1992-01-04 1992-01-04 Vorrichtung zum abtrennen von nichtmagnetisierbaren metallen aus einem feststoffgemisch
DE4200093 1992-01-04

Publications (2)

Publication Number Publication Date
EP0550867A1 true EP0550867A1 (fr) 1993-07-14
EP0550867B1 EP0550867B1 (fr) 1996-10-09

Family

ID=6449104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92121710A Expired - Lifetime EP0550867B1 (fr) 1992-01-04 1992-12-19 Appareil pour la séparation de métaux non-magnétisables à partir d'un mélange de solides

Country Status (3)

Country Link
EP (1) EP0550867B1 (fr)
DE (2) DE4200093A1 (fr)
ES (1) ES2094272T3 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2714309A1 (fr) * 1993-12-28 1995-06-30 Delta Neu Installation comprenant deux séparateurs magnétiques du type à courants de Foucault pour le tri sélectif de déchets domestiques à base de métaux non ferreux.
WO1997000138A1 (fr) * 1995-06-14 1997-01-03 Lindemann Maschinenfabrik Gmbh Installation de separation de metaux non magnetisables contenus dans un melange de materiaux solides
NL2006306C2 (en) * 2011-02-28 2012-08-29 Inashco R & D B V Eddy current seperation apparatus, separation module, separation method and method for adjusting an eddy current separation apparatus.
US9033157B2 (en) 2010-07-28 2015-05-19 Inashco R&D B.V. Separation apparatus
CN105618262A (zh) * 2016-03-24 2016-06-01 陈勇 抛物面击矿砂式选磁铁矿装置
US9409210B2 (en) 2008-04-02 2016-08-09 Adr Technology B.V. Separation-apparatus
WO2019197460A1 (fr) * 2018-04-10 2019-10-17 Georg Schons Dispositif de tri destiné à trier des pièces
RU2713549C1 (ru) * 2019-08-15 2020-02-05 Общество с ограниченной ответственностью "ЭРГА" Магнитный сепаратор вихревого тока для сыпучих материалов
CN114749272A (zh) * 2022-04-18 2022-07-15 湖南中科电气股份有限公司 一种废钢磁选系统及方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010036267A1 (de) * 2010-09-03 2012-03-08 Alexander Koslow Trennverfahren und -vorrichtung für NE-Metalle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191303046A (en) * 1913-02-05 1914-02-05 Bowes Scott & Western Ltd Improvements in and relating to Magnetic Separators.
GB826485A (en) * 1955-07-01 1960-01-06 Tadashi Ohyama Improvements in or relating to alternating current magnetic separators
EP0305881A1 (fr) * 1987-09-04 1989-03-08 Huron Valley Steel Corporation Méthode et appareil pour trier des pièces de métal non ferreux
DE3810715A1 (de) * 1988-03-30 1989-10-12 Peter Weiss Vorrichtung zum trennen metallischer schrott-teile
EP0342330A2 (fr) * 1988-05-19 1989-11-23 Lindemann Maschinenfabrik GmbH Appareil de séparation de métaux non magnétiques d'un mélange de solides

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191303046A (en) * 1913-02-05 1914-02-05 Bowes Scott & Western Ltd Improvements in and relating to Magnetic Separators.
GB826485A (en) * 1955-07-01 1960-01-06 Tadashi Ohyama Improvements in or relating to alternating current magnetic separators
EP0305881A1 (fr) * 1987-09-04 1989-03-08 Huron Valley Steel Corporation Méthode et appareil pour trier des pièces de métal non ferreux
DE3810715A1 (de) * 1988-03-30 1989-10-12 Peter Weiss Vorrichtung zum trennen metallischer schrott-teile
EP0342330A2 (fr) * 1988-05-19 1989-11-23 Lindemann Maschinenfabrik GmbH Appareil de séparation de métaux non magnétiques d'un mélange de solides

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2714309A1 (fr) * 1993-12-28 1995-06-30 Delta Neu Installation comprenant deux séparateurs magnétiques du type à courants de Foucault pour le tri sélectif de déchets domestiques à base de métaux non ferreux.
WO1997000138A1 (fr) * 1995-06-14 1997-01-03 Lindemann Maschinenfabrik Gmbh Installation de separation de metaux non magnetisables contenus dans un melange de materiaux solides
US6068133A (en) * 1995-06-14 2000-05-30 Steinert Elecktromagnetbau Gmbh System for separating non-magnetizable metals from a mixture of solids
US10052660B2 (en) 2008-04-02 2018-08-21 Adr Technology B.V. Separation-apparatus
US9409210B2 (en) 2008-04-02 2016-08-09 Adr Technology B.V. Separation-apparatus
US9339848B2 (en) 2010-07-28 2016-05-17 Adr Technology B.V. Separation apparatus
US9033157B2 (en) 2010-07-28 2015-05-19 Inashco R&D B.V. Separation apparatus
WO2012118373A1 (fr) * 2011-02-28 2012-09-07 Inashco R&D B.V. Appareil de séparation par courants de foucault, module de séparation, procédé de séparation et procédé d'ajustement d'un appareil de séparation par courants de foucault
RU2576415C2 (ru) * 2011-02-28 2016-03-10 Адр Текнолоджи Б.В. Вихретоковый сепаратор, отделяющий модуль, способ отделения и способ регулировки вихретокового сепаратора
US9221061B2 (en) 2011-02-28 2015-12-29 Inashco R&D B.V. Eddy current separation apparatus, separation module, separation method and method for adjusting an eddy current separation apparatus
JP2014511271A (ja) * 2011-02-28 2014-05-15 イナショコ エルウントデー べー．フェー． 渦電流分離装置、分離モジュール、分離方法、および渦電流分離装置を調整するための方法
NL2006306C2 (en) * 2011-02-28 2012-08-29 Inashco R & D B V Eddy current seperation apparatus, separation module, separation method and method for adjusting an eddy current separation apparatus.
CN105618262A (zh) * 2016-03-24 2016-06-01 陈勇 抛物面击矿砂式选磁铁矿装置
WO2019197460A1 (fr) * 2018-04-10 2019-10-17 Georg Schons Dispositif de tri destiné à trier des pièces
CN112261999A (zh) * 2018-04-10 2021-01-22 乔治·顺斯 用于分选出硬币的分选装置
US11684952B2 (en) 2018-04-10 2023-06-27 Georg Schons Sorting device for sorting out coins
RU2713549C1 (ru) * 2019-08-15 2020-02-05 Общество с ограниченной ответственностью "ЭРГА" Магнитный сепаратор вихревого тока для сыпучих материалов
CN114749272A (zh) * 2022-04-18 2022-07-15 湖南中科电气股份有限公司 一种废钢磁选系统及方法
CN114749272B (zh) * 2022-04-18 2022-12-13 湖南中科电气股份有限公司 一种废钢磁选系统及方法

Also Published As

Publication number Publication date
DE59207339D1 (de) 1996-11-14
ES2094272T3 (es) 1997-01-16
EP0550867B1 (fr) 1996-10-09
DE4200093A1 (de) 1993-07-08

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