WO2015032556A1 - Dispositif de séparation et procédé permettant la séparation de particules ferromagnétiques - Google Patents

Dispositif de séparation et procédé permettant la séparation de particules ferromagnétiques Download PDF

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Publication number
WO2015032556A1
WO2015032556A1 PCT/EP2014/066467 EP2014066467W WO2015032556A1 WO 2015032556 A1 WO2015032556 A1 WO 2015032556A1 EP 2014066467 W EP2014066467 W EP 2014066467W WO 2015032556 A1 WO2015032556 A1 WO 2015032556A1
Authority
WO
WIPO (PCT)
Prior art keywords
separation device
material receiving
receiving chamber
cleaned
magnetic
Prior art date
Application number
PCT/EP2014/066467
Other languages
German (de)
English (en)
Inventor
Mareike GIESSELER
Pia KÜSGENS
Jean Claude Rousche
Original Assignee
Evonik Litarion 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 Evonik Litarion Gmbh filed Critical Evonik Litarion Gmbh
Publication of WO2015032556A1 publication Critical patent/WO2015032556A1/fr

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Classifications

    • 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
    • B03C1/025—High gradient magnetic separators
    • B03C1/031—Component parts; Auxiliary operations
    • B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
    • B03C1/0332—Component parts; Auxiliary operations characterised by the magnetic circuit using permanent magnets
    • 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
    • B03C1/26—Magnetic separation acting directly on the substance being separated with free falling material
    • 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
    • B03C1/28—Magnetic plugs and dipsticks
    • B03C1/286—Magnetic plugs and dipsticks disposed at the inner circumference of a recipient, e.g. magnetic drain bolt
    • 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
    • B03C1/30—Combinations with other devices, not otherwise provided for
    • 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
    • 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
    • B03C2201/28—Parts being designed to be removed for cleaning purposes

Definitions

  • the present invention relates to a separation device with which in a material to be cleaned magnetizable particles, in particular iron and / or steel particles, are deposited from the material to be cleaned, a system with a separation device and a method for depositing magnetizable particles.
  • magnetizable particles in particular iron and / or steel particles
  • Magnetabscheide founded on an inlet pipe and a drain pipe.
  • the inflow pipe is arranged vertically above the magnetic separation device and the discharge pipe vertically below the magnetic separation device.
  • Bulk material contaminated with iron / steel particles is supplied from a first bearing point via the inlet pipe to the magnetic separation device, flows through it and flows through the drainage pipe to a second bearing point.
  • the first storage location could be a first storage room in one
  • a canister having an inlet and an outlet is known. Inside the canister is a pack of ferromagnetic, thread-like material, such as steel wool.
  • the canister is surrounded by an electromagnetic coil. Further, a circulation frame made of ferromagnetic material is provided, which completely surrounds the canister and strengthens the magnetic field of the coil. Thus, an intense magnetic field is built up in the entire volume of the canister. The magnetic field magnetizes the steel wool inside the canister.
  • the present invention has for its object to provide a separation device with which as simple as possible a good structure of magnetizable particles is possible.
  • the object is achieved according to the invention with a separating device having the features of claim 1.
  • the material to be cleaned flows back and forth between the first and second material receiving chamber and flows through each time the Magnetabscheide worn, ie on the way from one material receiving chamber into the other and on the way back.
  • the magnetic separation device flows through, it is deposited on this magnetizable particle contained in the material to be cleaned.
  • the separating device can be moved back and forth between the first and second positions, it is possible in a simple manner to realize a repeated reciprocating flow of the material to be cleaned between the first and the second material receiving chamber with respective flow through the magnetic separating device; more than twice flow through easily realized.
  • magnetizable in the sense of the invention is to be understood in particular that the particles in the material to be cleaned can behave at least temporarily paramagnetic or ferromagnetic, especially in the vicinity of the
  • At least one of the material receiving chambers may have a closable material inflow and / or outflow opening and a back and forth flow of material to be cleaned between the material receiving chambers may be possible if the material inflow and / or outflow openings are closed.
  • By closing the material inflow and / or outflow openings creates a closed system.
  • the same material to be cleaned can be passed through the magnetic separation device several times, in particular until a desired degree of separation or purification is achieved, during which no cleaned material leaves the closed system and no new material to be cleaned the completed system is fed, that is no new material to be cleaned in one of
  • the volume occupied by the magnetic separation device may be smaller than the volume of the first and second
  • Material receiving chambers together, preferably smaller than the volume of the first and / or the second material receiving chamber.
  • a good amount of material to be cleaned can be picked up by the separating device, in particular by its material receiving chambers, and can also be cleaned with closed material inflow and / or outflow openings.
  • at least one of the material receiving chambers at least partially taper towards the Magnetabscheide issued. The taper acts like a resistor and thus reduces the flow rate through the Magnetabscheide embarrassed, and it reduces the pressure. With lower flow rate and lower pressure, the separation efficiency of the Magnetabscheide styles increases.
  • the angle between the tapered wall surface of the material-receiving chamber and the center axis of the material-receiving chamber can be 5 to 45 °.
  • the angle is 45 ° or less, hardly or no material to be cleaned remains, especially when it is in the form of bulk material having tapered surface, particularly when the central axis is vertical. From an angle of 5 °, the tapered wall surface has a significant influence on the flow rate and the pressure.
  • the Magnetabscheide founded having elements which each have a collecting surface for attaching magnetizable particles, wherein the distance between the magnetic elements corresponds approximately to the width of the magnetic elements. This is a total of one
  • the Magnetabscheide morning may comprise magnetic elements, each having a collecting surface for attaching
  • the magnetic field strength at the collecting surface is about 500 Gauss or more.
  • the distance between the magnetic elements may be about 25 mm or less. With this distance and when the magnetic field strength at the collection surface is 500 Gauss more, the interstices between the magnetic elements are penetrated by a magnetic field of good strength, with which more magnetizable particles, especially iron or
  • the Magnetabscheide morning may comprise magnetic elements, each having a collecting surface for attaching
  • magnetizable particles wherein the magnetic field strength at the collecting surface is not more than about 8500 Gauss. In this way, more magnetizable particles, especially iron or steel particles, deposit well and less easily magnetizable particles less easily. Thus, specifically more magnetizable particles can be well deposited.
  • the separation device may comprise a first material container, in which the first material receiving chamber is provided, a second material container, in which the second material receiving chamber is provided, as well as a arranged between the material containers and releasably connected thereto connecting piece, which has the Magnetabscheide issued.
  • the separation device has a modular construction and can be dismantled.
  • the separation device may have outer dimensions that correspond to the inner dimensions of a standard barrel.
  • the separation device fits into a standard barrel and can with such
  • Standard keg be handled with means with which the standard keg is manageable.
  • the separation device with a Turning device for standard barrels are turned.
  • Turning device can be performed automatically a desired number of back and forth movements between the first and second position of the separator, whereby the material to be cleaned is automatically cleaned.
  • Separating device according to the invention and a turning device, with which the separating device between its first and second position back and forth is movable, preferably with the above-described turning device according to the invention described above.
  • Standard hand tool for reciprocating a depositing device according to the invention between its first and second position.
  • the invention is also based on the object of specifying a method for separating magnetizable particles, with which a good degree of separation can be achieved and which nevertheless is as simple as possible to carry out.
  • “Change of position” in the sense of the invention means, in particular, a reversible transfer of the separating device from its first position to its second position.
  • iron or steel particles with a particle size of ⁇ 1000 ⁇ m can be purified in the Material to be carried out at most 20, preferably at most 12, more preferably at most 8 position changes to 95% or more of the iron or steel particles to be separated from the material to be cleaned
  • Figure 1 shows schematically a preferred embodiment of
  • Figure 1 shows schematically a preferred embodiment of
  • Central axis 10 of the material receiving chambers 4, 4a in the cutting plane In the case of FIG. 1 b, the sectional plane is perpendicular to this central axis 10.
  • Figure 1 a shows the separation device 1 in the first position, wherein the first material receiving chamber 4 is in a higher position than the second material receiving chamber 4a. From this first position is the
  • the material receiving chambers 4, 4 a can be connected to one another by the connecting piece 12.
  • the connecting piece 12 is separably connectable by means of clamps with the material receiving chambers 4, 4a and the material containers 1 1, 1 1 a.
  • This embodiment has the advantage that material containers 1 1, 1 1 a of different dimensions can be connected to the same connector 12.
  • This embodiment offers the advantage that the cleaning of the separation device 1 is simplified.
  • The, preferably substantially cylindrical, connector 12 receives the Magnetabscheide observed 5, wherein the Magnetabscheide observed 5 is not shown in this figure.
  • the connector 12 has one or more stops on its inner circumferential surface, wherein the at least one stop of the positioning of Magnetabscheide observed. 5 serves.
  • the stop is designed as a substantially circumferential collar.
  • Material receiving chambers 4, 4a each have a substantially conical portion and taper in the direction of the connecting piece 12 and in the direction of Magnetabscheide issued 5.
  • the material receiving chambers 4, 4a each have a wall surface 9.
  • the opening angle of the substantially conical section is
  • Material receiving chambers 4, 4a about 68 °.
  • the volume of the connector 12 is less than the volumes of the material receiving chambers 4, 4a.
  • Each of these essentially conical sections of the material receiving chambers 4, 4a is followed by a substantially cylindrical first section, the first section being remote from the connecting piece 12. This embodiment offers the advantage that the deposition is improved by the
  • Connector 12 and the Magnetabscheide worn 5 can oppose the material to be cleaned 2 a flow resistance and in particular can slow down the flow of the material 2.
  • at least one of the material receiving chambers 4, 4a, in particular at least one of the first sections thereof, has a closable material inflow and / or outflow opening 6, 6a.
  • Material receiving chambers 4, 4a each have a closable material inflow and / or - outflow opening 6, 6a.
  • the Materialzuhne- and / or -Abhne Anlagen réelleen 6, 6a are each used for the exchange of material to be cleaned with one of
  • the material receiving chambers 4, 4a each have a substantially cylindrical second portion, which depending depending in the direction of
  • Connector 12 extends. These second sections are at least partially completed, each with a substantially circumferential collar, which are adapted to corresponding frets of the connecting piece 12.
  • the aforementioned clamps each encompass a collar of the connecting piece 12 and the collar of the adjacent material receiving chamber 4, 4a.
  • the separation device 1 is surrounded by a support device 14 or
  • the support means 14 is formed as a barrel, particularly preferably as standard keg.
  • Connector 12 is improved during operation. This embodiment offers the advantage that a position change of the separation device 1 is simplified.
  • Essentially circular opening for receiving the separation device 1 is formed.
  • the separation device 1 is supported on the closed bottom of the barrel 14.
  • the separation device 1 in particular the walls of the material receiving chambers 4, 4a, at least partially supported on the drum wall.
  • Several, preferably three or four, attachment tabs 15 are adjacent to the Materialzuhne- and / or -Abhnetechnik 6, connected to the wall of one of the material receiving chambers 4, 4a and connectable to the barrel 14.
  • Material receiving chamber 4 with fastening tabs 15 is closed with a lid, preferably a sheet metal lid.
  • a lid preferably a sheet metal lid.
  • the lid with the attachment tabs 15 and / or with the barrel wall connectable are preferably a sheet metal lid.
  • Embodiment offers the advantage that the operation of the separation device 1 is simplified.
  • This embodiment has the advantage that the stability of the separation device of the association is improved during operation.
  • the walls of the Material receiving chambers 4, 4a formed with a thin-walled sheet, particularly preferably with steel sheet.
  • This preferred embodiment has the advantage that the production of the separation device 1 is simplified.
  • This preferred embodiment has the advantage that the stability of
  • Separating device 1 is improved in operation.
  • the diameter of the substantially cylindrical portion of the material receiving chambers 4, 4a and the material inlet and / or outlet opening 6, 6a is about 38 cm.
  • the substantially cylindrical, adjacent to the Materialzuaku- and / or -Ab intoö réelle 6, 6a, section extends over a length of about 10 cm along the central axis 10.
  • the adjacent to the connector 12, substantially cylindrical, section extends along the Central axis 10 over a length of about 2 cm.
  • the opening of the material receiving chamber, which faces the connecting piece 12 has a diameter of about 23 cm.
  • the connecting piece 12 extends along the central axis over a length of about 5 cm.
  • the wall thickness of the walls 9 of the material receiving chambers 4, 4 a is about 1, 5 mm.
  • This preferred embodiment offers the advantage that the separation device 1 can be received by a 60I standard drum, wherein the standard drum serves as a support device 14.
  • the separation device 1 is held by the turning device 13.
  • the separating device 1 is convertible reversibly from the first position to the second position by rotation about a substantially horizontal axis of rotation 18, which preferably extends through the connecting piece 12 and perpendicular to the central axis 10.
  • the support device 14 has one, two or more bearing elements, which can be supported by the turning device 13, which preferably on the said horizontal axis of rotation 18th
  • the turning device 13 is designed as a barrel turner. This embodiment offers the advantage that the operation of the
  • the turning device 13 is designed to be automated, so that a predetermined number of changes of position of the separation device 1 or transfers of the material 2 by the Magnetabscheide worn 5 can be made substantially without human intervention. This preferred
  • Embodiment offers the advantage that the operation of the separation device 1 is simplified. This preferred embodiment offers the advantage that the separation device 1 is simplified.
  • Figure 2 shows schematically a preferred embodiment of
  • FIG. 1a shows the Magnetabscheide prepared 5 in its disassembled state, wherein the magnetic elements 7, 7a of
  • Receiving device 16 are removed, about to clean the
  • FIG. 2b shows the Magnetabscheide silk 5, wherein the magnetic elements 7, 7a are partially inserted into the receiving device 16, such as in preparation for a deposition process.
  • the receiving device 16 of Magnetabscheide issued 5 has a substantially cylindrical frame.
  • the receiving device 16 is adapted to the shape of the connecting piece 12, in particular at its
  • the receiving device 16 has a plurality of tubes preferably each having a substantially cylindrical cross section, more preferably a tube per magnetic element 7. Each of these tubes forms one of the collecting surfaces 8.
  • the tubes have a
  • the distance between the longitudinal axes of two of these tubes substantially corresponds to Diameter of the tubes.
  • the receiving device 16 or the frame extends along the axis of symmetry of the connecting piece 12, wherein preferably the receiving device 16 is substantially completely surrounded by the connecting piece 12.
  • the receiving device 16 is partially or at least one of the collecting surfaces in sections with a little magnetizable material, more preferably formed with a thermoset. This preferred
  • Embodiment offers the advantage that the collecting surfaces 8 can be cleaned after removal of the magnetic elements 7 easier.
  • the magnetic elements 7, 7a have a magnetic field strength which is at least 1500 gauss at the collecting surface 8.
  • the magnetic elements 7, 7a preferably each have a substantially cylindrical cross section.
  • the magnetic elements 7, 7a are, in particular for the simplified operation of
  • the connecting device 17 is designed so that it can lie flat against the receiving device 16.
  • the connecting device 17 has a handle for simplified removal of the
  • the magnetic elements 7, 7a have a diameter which is smaller than the diameter of the tubes, more preferably at most 24 mm.
  • the magnetic elements 7, 7a are sized or shaped so that they can fill the tubes of the receiving device 16 substantially completely.
  • This preferred embodiment has the advantage that the effect of Magnetabscheide worn 5 is improved.
  • the magnetic separation device 5 is designed to be in the separation device 1 According to Figure 1, in particular in the connector 12, to be used.
  • the volume of Magnetabscheide worn 5 is less than the volume of the material receiving chambers 4, 4a with the separation device 1 according to Figures 1 and 2 experiments were carried out with about 20 kg of a contaminated with iron shavings powder. Magnetic bars of the Neoflux type from Goudsmit were used.
  • the "diameters" of the iron filings were between 6 ⁇ and 350 ⁇ , the average diameter about 56 ⁇ .
  • the concentrations of the iron filings in the material 10 or powder were about 10 ppm and about 1 ppm.
  • the powder was anode material for electrochemical energy storage devices and soot:
  • Iron chips with a diameter> 100 ⁇ can be deposited faster than iron filings with a diameter ⁇ 100 ⁇ ,
  • a vibration device which acts temporarily on the separation device, in particular on a wall of the separation device, the Flow of the contaminated powder is improved by the separation device.

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  • Cleaning In General (AREA)

Abstract

L'invention concerne un dispositif de séparation (1) permettant de séparer du matériau à nettoyer des particules magnétisables contenues dans ce matériau à nettoyer. L'invention vise à obtenir un degré de séparation satisfaisant de la manière la plus simple possible. A cet effet, un dispositif de séparation (1) est pourvu d'une première chambre de réception de matériau (4) et d'une seconde chambre de séparation de matériau (4a), lesquelles sont reliées l'un à l'autre et entre lesquelles est disposé un dispositif de séparation magnétique (5), et le dispositif de séparation (1) est conçu de telle sorte qu'il peut être déplacé en va-et-vient entre une première position, dans laquelle la première chambre de réception de matériau (4) se situe dans une position plus haute que celle de la seconde chambre de réception de matériau (4a), et une seconde position dans laquelle la seconde chambre de réception de matériau (4a) se situe dans une position plus haute que celle de la première chambre de réception de matériau (4). La présente invention concerne en outre un procédé permettant de séparer des particules magnétisables.
PCT/EP2014/066467 2013-09-03 2014-07-31 Dispositif de séparation et procédé permettant la séparation de particules ferromagnétiques WO2015032556A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310014643 DE102013014643A1 (de) 2013-09-03 2013-09-03 Abscheidevorrichtung und Verfahren zum Abscheiden ferromagnetischer Partikel
DE102013014643.7 2013-09-03

Publications (1)

Publication Number Publication Date
WO2015032556A1 true WO2015032556A1 (fr) 2015-03-12

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PCT/EP2014/066467 WO2015032556A1 (fr) 2013-09-03 2014-07-31 Dispositif de séparation et procédé permettant la séparation de particules ferromagnétiques

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DE (1) DE102013014643A1 (fr)
WO (1) WO2015032556A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107442268A (zh) * 2017-07-04 2017-12-08 马鞍山起劲磁塑科技有限公司 一种置入翻转式去除铁类材料的装置
CN108014916A (zh) * 2017-12-14 2018-05-11 湖北新华光信息材料有限公司 一种井字形磁棒组

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1492971A (en) * 1975-01-17 1977-11-23 English Clays Lovering Pochin Magnetic separation
EP2143497A2 (fr) * 2008-07-11 2010-01-13 Ralf Rauh Appareil pour la séparation de particules magnétisables

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1492971A (en) * 1975-01-17 1977-11-23 English Clays Lovering Pochin Magnetic separation
EP2143497A2 (fr) * 2008-07-11 2010-01-13 Ralf Rauh Appareil pour la séparation de particules magnétisables

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107442268A (zh) * 2017-07-04 2017-12-08 马鞍山起劲磁塑科技有限公司 一种置入翻转式去除铁类材料的装置
CN108014916A (zh) * 2017-12-14 2018-05-11 湖北新华光信息材料有限公司 一种井字形磁棒组

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