EP2326426B1 - Trenneinrichtung zur trennung von in einer durch einen trennkanal strömenden suspension transportierten magnetisierbaren und nichtmagnetisierbaren teilchen - Google Patents

Trenneinrichtung zur trennung von in einer durch einen trennkanal strömenden suspension transportierten magnetisierbaren und nichtmagnetisierbaren teilchen Download PDF

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Publication number
EP2326426B1
EP2326426B1 EP09782427.0A EP09782427A EP2326426B1 EP 2326426 B1 EP2326426 B1 EP 2326426B1 EP 09782427 A EP09782427 A EP 09782427A EP 2326426 B1 EP2326426 B1 EP 2326426B1
Authority
EP
European Patent Office
Prior art keywords
separating
yoke
permanent magnet
channel
separating device
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.)
Active
Application number
EP09782427.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2326426A1 (de
Inventor
Bernd Trautmann
Kathrin Bender
Jürgen OSWALD
Wolfgang Schmidt
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to PL09782427T priority Critical patent/PL2326426T3/pl
Publication of EP2326426A1 publication Critical patent/EP2326426A1/de
Application granted granted Critical
Publication of EP2326426B1 publication Critical patent/EP2326426B1/de
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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
    • B03C1/28—Magnetic plugs and dipsticks
    • B03C1/288—Magnetic plugs and dipsticks disposed at the outer circumference of a recipient
    • 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
    • B03C1/002—High gradient magnetic separation
    • 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
    • B03C1/025—High gradient magnetic separators
    • B03C1/031—Component parts; Auxiliary operations
    • B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
    • B03C1/0335—Component parts; Auxiliary operations characterised by the magnetic circuit using coils
    • 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
    • B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid

Definitions

  • Separating device for separating magnetizable and non-magnetizable particles transported in a suspension flowing through a separation channel
  • the invention relates to a separation device for separating magnetizable and nonmagnetizable particles transported in a suspension flowing through a separation channel with at least one permanent magnet arranged on only one side of the separation channel for generating a magnetic field gradient which deflects magnetizable particles toward this side.
  • magnetizable particles of non-magnetizable particles are often to be separated from each other, in particular magnetizable particles of non-magnetizable particles.
  • a separation channel which is defined for example by a tube
  • a suspension is then passed through the separation channel, which contains the magnetizable and non-magnetizable particles. Due to the prevailing magnetic field gradients, forces act on the magnetizable particles which also scale with the field strength, which deflects them in particular toward the side wall of the separation channel located adjacent to the permanent magnets.
  • a separator for suspended particles having two magnets arranged opposite one another on a separating channel and connected to a yoke is known, for example, from the document WO 2004/106245 A known.
  • the magnetic field gradients / field strengths generated by such an arrangement are too small in wide regions of the separation channel to ensure effective separation.
  • the invention is therefore based on the object to provide a separation device in which an improved separation due to higher field strengths or magnetic field gradients can be achieved.
  • a yoke for closing the magnetic circuit is provided by the permanent magnet opposite to the permanent magnet side of the separation channel.
  • the invention therefore, in addition to the mere use of one or more permanent magnets, provision is made for guiding elements in the form of a yoke in order to minimize stray field losses and thus to improve the field distribution within the separation channel.
  • the yoke and thus also field portions are guided in the form of a magnetic flux through the yoke to the opposite side of the separating channel so as to ideally close the magnetic circuit in each case Case but to achieve an improved gradient formation.
  • the surface of the yoke facing the separating channel adjacent the separating magnet is larger than the surface of the permanent magnet facing the separating channel, in particular the yoke guided on one side about the separating channel on the side opposite the permanent magnet and extended beyond the separating channel is.
  • Such a design of the yoke distributes the exit points of the field lines of the magnetic circuit, wherein the magnetic field lines are known to always emerge perpendicularly from the surface, so that overall the field lines are drawn more broadly from the permanent magnet or the permanent magnet arrangement across the separation channel that results in an overall stronger gradient.
  • the increase in area, in particular the targeted extension of the yoke leg thus serves to produce a diverging field profile with a high gradient, so that the separation properties are further improved.
  • the thickness of the surface of the yoke facing the permanent magnet adjacent to the separating channel is adapted in its thickness in order to produce larger magnetic field gradients is. It is exploited that, as already described above, magnetic field lines basically emerge perpendicularly from the yoke surface, so that a field-shaping effect is achieved and figuratively speaking the field lines are further pulled apart by skilful design of the surface in three dimensions, so that here divergent field profile is promoted and the magnetic field gradients are increased. Specifically, it can be provided that the yoke has a particular trapezoidal or round depression, in particular protrudes into the separation channel.
  • the yoke can thus partially surround the separation channel, which leads to a further improved field design, on the one hand the magnetic field gradients are increased, but on the other hand it is also possible to bring the mainly serving to close the circle corresponding surface of the yoke closer to the magnet.
  • a further optimization of the field profile can be achieved analogously, by modifying the permanent magnet side facing the separation channel, adjacent to the separation channel surface.
  • a magnetizable element in particular a disk
  • the surface of the disk facing the separation channel can be adapted in its thickness to produce larger magnetic field gradients.
  • the effect is used accordingly that the magnetic field always exits perpendicularly from the surface to ultimately shape it so that within the separation channel with the strongest possible magnetic field, a large magnetic field gradient arises, at the same time scattering losses, ie field shares outside the separation channel, but reduced become.
  • the separating element has a bulged or trapezoidal shape towards the separating channel, in particular corresponding to the shape of an opposing depression of the yoke. It can therefore be provided that the corresponding shape adjustments of the surface of the yoke and the separating element to each other be adapted so as to achieve an optimal field profile and an improved separation effect.
  • the surface of the permanent magnet facing the separation channel itself is shaped to produce larger magnetic field gradients.
  • the permanent magnet has a bulged or trapezoidal shape towards the separation channel, in particular corresponding to the shape of an opposing depression of the yoke.
  • an even number of permanent magnets is provided, each of which faces an equal number, the yoke guided externally around the permanent magnets connecting the permanent magnets to form magnetic circuits.
  • the yoke can be made open to one side. This allows better access to the separation channel also in the field of magnetic action.
  • a yoke open to one side can also be used to advantage in other ways.
  • a pivoting device is provided for pivoting the yoke open towards one side and the permanent magnet away from the separation channel.
  • the distracting magnetic field generating arrangement can be spent in a position away from the separation channel, so that it is not exposed to the magnetic effect. This can be used particularly advantageously if, for example, a rinsing step for deposits on the walls of the separation channel is provided.
  • Fig. 1 It shows a schematic diagram of the essential components of a separating device 1 according to the invention. It comprises a tube 2 running perpendicular to the image plane, which defines a separating channel 3 which is equipped with a suspension comprising magnetisable and non-magnetisable particles.
  • the purpose of the separating device 1 is to allow separation of the magnetizable particles from the nonmagnetizable particles.
  • a arranged to one side of the separation channel 3 permanent magnet 4 is provided, with the aid of a deflection magnetic field is to be generated, which deflects the magnetizable particles to the side of the permanent magnet 4 back.
  • a plurality of series-connected permanent magnets can be provided instead of a permanent magnet 4, a plurality of series-connected permanent magnets can be provided.
  • the separation device 1 further comprises a yoke 5, which extends from the pole of the permanent magnet 4 facing away from the separation channel 3 to the opposite side of the permanent magnet 4, where the yoke is formed in a prolonged Leg 6 ends.
  • the leg 6 has turned to the separation channel 3 accordingly a larger surface 8. Since the magnetic field lines, indicated here at 9, basically emerge perpendicularly from the surfaces 7, 8, their distribution widens to the larger surface 8, so that within the separation channel 3 larger field gradients are formed, which deflect the particles toward the permanent magnet 4.
  • the yoke 5 which is otherwise made of iron, a greater overall field strength is recorded in the separation channel 3.
  • Fig. 2 shows a further embodiment of a separating device 10.
  • the separating device 10 differs from the separating device 1 in that the surface 8 of the yoke 5 facing the separating channel 3 is shaped, namely in such a way that a trapezoidal depression 11 is provided, into which the separating channel 3 respectively the tube 2 protrudes a bit far.
  • a disc 12 is provided between the permanent magnet 4 and the separation channel 3, which is also made of iron, while the wall facing the separation channel 3 13 has a trapezoidal slightly bulged shape. In this case, the bulge of the surface 13 essentially corresponds to the depression 11.
  • the surface 7 of the permanent magnet 4 facing towards the separation channel 3 can also be adapted directly to improve the deflection properties.
  • other shape adjustment options are conceivable in principle.
  • the corresponding shape configuration of the surfaces 8 and 13 makes it possible, as indicated by the field lines 9, to adapt the deflection magnetic field with respect to the field strength and the deflection magnetic field gradients in such a way that a better separation is made possible.
  • the trapezoidal depression 11 allows a stronger magnetic field gradient over the entire width of the separation channel 3, so that magnetizable particles permanently removed from the magnetic field can also be deflected towards the side of the permanent magnet 4.
  • a third embodiment of a separating device 14 according to the invention shows Fig. 3 , In contrast to Fig. 2 Here, a round depression 15 is provided, which allows a better adaptation to the pipe 2 and the separation channel 3. Again, the resulting field lines 9 are indicated. Obviously, this can also be a higher Field strength and a better distribution of the deflection force can be achieved.
  • FIG Fig. 4 A first example of a separator 16 which does not form part of the invention is shown schematically in FIG Fig. 4 shown.
  • two permanent magnets 4a and 4b are provided, which adjoin the separation channel 3 on two opposite sides.
  • the poles of the permanent magnets 4a and 4b facing away from the tube 2 are connected by the yoke 5 made of iron, which allows an increase in the field strength within the separation channel 3 by closing the magnetic circuit.
  • the field lines are indicated again at 9.
  • the yoke 5 connecting the two permanent magnets 4a and 4b is open to one side.
  • a pivoting device 18 may be provided which allows this pivoting operation of the yoke 5 away from the separation channel 3.
  • the yoke 5 may be open to one side, as for example in Fig. 1 the case is.
  • a pivoting device 18 can be advantageously used. Also in Fig. 1 it is therefore indicated.
  • the yoke 5 connecting the poles of the permanent magnets 4a-4d facing away from the separation channel 3 is designed to be circumferential and closes in each case four magnetic circles, as can be seen from the field lines 9.

Landscapes

  • Magnetic Resonance Imaging Apparatus (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Magnetic Heads (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP09782427.0A 2008-09-18 2009-09-01 Trenneinrichtung zur trennung von in einer durch einen trennkanal strömenden suspension transportierten magnetisierbaren und nichtmagnetisierbaren teilchen Active EP2326426B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09782427T PL2326426T3 (pl) 2008-09-18 2009-09-01 Urządzenie separujące do separowania cząstek umożliwiających magnesowanie i unieumożliwiających magnesowanie, transportowanych w zawiesinie przepływającej przez kanał separacji

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008047855A DE102008047855A1 (de) 2008-09-18 2008-09-18 Trenneinrichtung zur Trennung von in einer durch einen Trennkanal strömenden Suspension transportierten magnetisierbaren und nichtmagnetisierbaren Teilchen
PCT/EP2009/061241 WO2010031679A1 (de) 2008-09-18 2009-09-01 Trenneinrichtung zur trennung von in einer durch einen trennkanal strömenden suspension transportierten magnetisierbaren und nichtmagnetisierbaren teilchen

Publications (2)

Publication Number Publication Date
EP2326426A1 EP2326426A1 (de) 2011-06-01
EP2326426B1 true EP2326426B1 (de) 2018-10-31

Family

ID=41320069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09782427.0A Active EP2326426B1 (de) 2008-09-18 2009-09-01 Trenneinrichtung zur trennung von in einer durch einen trennkanal strömenden suspension transportierten magnetisierbaren und nichtmagnetisierbaren teilchen

Country Status (11)

Country Link
US (1) US8584863B2 (tr)
EP (1) EP2326426B1 (tr)
CN (1) CN102159323B (tr)
AU (1) AU2009294717B2 (tr)
CA (1) CA2737517C (tr)
CL (5) CL2011000364A1 (tr)
DE (1) DE102008047855A1 (tr)
PE (1) PE20110780A1 (tr)
PL (1) PL2326426T3 (tr)
TR (1) TR201900212T4 (tr)
WO (1) WO2010031679A1 (tr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008047855A1 (de) 2008-09-18 2010-04-22 Siemens Aktiengesellschaft Trenneinrichtung zur Trennung von in einer durch einen Trennkanal strömenden Suspension transportierten magnetisierbaren und nichtmagnetisierbaren Teilchen
EP2454020B1 (en) * 2009-07-17 2019-05-15 Koninklijke Philips N.V. Apparatus and method for the enrichment of magnetic particles
AU2010313421B2 (en) 2009-10-28 2016-04-14 Magglobal, Llc Magnetic separator
MX2012005466A (es) 2009-11-11 2012-06-08 Basf Se Procedimiento para concentrar componentes separados por via magnetica de suspensiones de minerales y para expulsar dichos componentes de un separador magnetico con pocas perdidas.
AU2012245294B2 (en) 2011-04-20 2015-10-29 Magglobal, Llc Iron ore separation device
WO2014068142A1 (en) 2012-11-05 2014-05-08 Basf Se Apparatus for the continuous separation of magnetic constituents
DE102013009773B4 (de) * 2013-06-05 2016-02-11 Technische Universität Dresden Vorrichtung sowie Verfahren zur Steigerung der Anbindungseffizienz von zur Bindung befähigten Zielstrukturen
CN106132551B (zh) 2014-03-31 2019-08-27 巴斯夫欧洲公司 用于输送磁化材料的磁体装置
WO2020215120A1 (en) * 2019-04-23 2020-10-29 Cyclomag Pty Ltd Planar magnetic separator for haematite
US20240033752A1 (en) * 2022-07-26 2024-02-01 James Richmond Removal of Magnetite from Sample Mixtures

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Also Published As

Publication number Publication date
US8584863B2 (en) 2013-11-19
AU2009294717B2 (en) 2013-02-14
CL2011000448A1 (es) 2011-04-29
CL2011000428A1 (es) 2011-05-13
EP2326426A1 (de) 2011-06-01
AU2009294717A1 (en) 2010-03-25
DE102008047855A1 (de) 2010-04-22
US20110163014A1 (en) 2011-07-07
PE20110780A1 (es) 2011-11-24
CA2737517A1 (en) 2010-03-25
PL2326426T3 (pl) 2019-05-31
CN102159323A (zh) 2011-08-17
TR201900212T4 (tr) 2019-02-21
CL2011000364A1 (es) 2011-04-29
CL2011000426A1 (es) 2011-08-05
CN102159323B (zh) 2015-08-19
CL2011000407A1 (es) 2011-06-03
WO2010031679A1 (de) 2010-03-25
CA2737517C (en) 2014-03-11

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