EP2574405A1 - Séparateur magnétique, son procédé de fabrication et son utilisation - Google Patents

Séparateur magnétique, son procédé de fabrication et son utilisation Download PDF

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Publication number
EP2574405A1
EP2574405A1 EP11182927A EP11182927A EP2574405A1 EP 2574405 A1 EP2574405 A1 EP 2574405A1 EP 11182927 A EP11182927 A EP 11182927A EP 11182927 A EP11182927 A EP 11182927A EP 2574405 A1 EP2574405 A1 EP 2574405A1
Authority
EP
European Patent Office
Prior art keywords
fluid
separation zone
magnetic
drum
magnetic separator
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.)
Withdrawn
Application number
EP11182927A
Other languages
German (de)
English (en)
Inventor
Ralph Oliver Schmidt
Argun Gökpekin
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 EP11182927A priority Critical patent/EP2574405A1/fr
Priority to RU2014116981/03A priority patent/RU2014116981A/ru
Priority to US14/347,839 priority patent/US20140231358A1/en
Priority to PCT/EP2012/067203 priority patent/WO2013045227A1/fr
Priority to CN201280046962.XA priority patent/CN103826751A/zh
Priority to EP12753733.0A priority patent/EP2736647A1/fr
Publication of EP2574405A1 publication Critical patent/EP2574405A1/fr
Withdrawn legal-status Critical Current

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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
    • B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
    • B03C1/14—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with non-movable magnets
    • B03C1/145—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with non-movable magnets with rotating annular or disc-shaped material carriers
    • 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
    • B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
    • B03C1/14—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with non-movable 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
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid
    • 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 whereby the particles to be separated are in solid form
    • 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
    • B03C2201/24—Details of magnetic or electrostatic separation for measuring or calculating parameters, efficiency, etc.

Definitions

  • the invention relates to a magnetic separator for separating magnetic and / or magnetizable particles from a fluid comprising non-magnetic and / or non-magnetizable particles, with a rotatable drum, at least one arranged in an interior of the drum magnet assembly, and a separation zone, through which the fluid is conductive, wherein the separation zone is formed by a gap between the drum and a Fluidleitan ever, and its use.
  • the invention further relates to a method for operating such a magnetic separator, wherein a fluid comprising magnetic and / or magnetizable particles and further non-magnetic and / or non-magnetizable particles is passed through the separation zone, and wherein the magnetic and / or magnetizable particles are predominantly attached to the offset in rotation drum and separated from the fluid.
  • Magnetic separators of the type mentioned are already known. They are used in particular in the mining industry and the metal industry, but also in other industries. That's how it describes RU 2365421 C1 a generic magnetic separator with a drum and a magnet assembly, which is designed to rotate about the drum axis of the drum and includes permanent magnets, for a Nassscheidung.
  • baffles are permanently installed in the separation zone at regular intervals, which direct a flowing through the separation zone, liquid medium repeatedly in the direction of the drum wall.
  • baffles are permanently installed in the separation zone at regular intervals, which direct a flowing through the separation zone, liquid medium repeatedly in the direction of the drum wall.
  • the object is for the magnetic separator for separating magnetic and / or magnetizable particles from a fluid comprising non-magnetic and / or non-magnetizable particles, with a rotatable drum, at least one arranged in an interior of the drum magnet assembly, and a separation zone, by which the fluid can be conducted, wherein the separation zone is formed by a gap between the drum and a Fluidleitan Aunt, achieved in that during operation of the Magnetseparators a distance between the drum and the Fluidleitan ever and / or a width of the separation zone is at least locally variable ,
  • a change in the distance A between the drum and fluid guide arrangement and / or a width B of the separation zone is equivalent to an at least local change in the cross section of the separation zone in the flow direction of the fluid.
  • the cross section of the separation zone can be seen in the longitudinal direction of the separation zone, ie reduced or increased at any point from the point of entry of the fluid into the separation zone up to the exit point of the fluid from the separation zone.
  • certain flow patterns of the fluid can be adjusted within the separation zone, so that the fluid is passed through the separation zone, for example substantially meandering or undulating.
  • the cross-sectional area of the separation zone in the direction of flow of the fluid can be changed by at least 5%, in particular by at least 10%.
  • a distance between the drum and the fluid guide arrangement and / or a width of the separation zone can be reduced in particular by at least 10%, in particular and at least 25%.
  • the at least one magnet arrangement in the drum can be fixed or movable.
  • permanent magnets and / or electromagnets can be used in the magnet arrangement.
  • the drum rotates during operation of the magnetic separator, for example in the direction of fluid flow, wherein a drum drive can be provided or the drive of the drum can be done by the flowing fluid, similar to a water wheel.
  • a drum drive can be provided or the drive of the drum can be done by the flowing fluid, similar to a water wheel.
  • Such a magnetic separator is referred to as Gleichlaufscheider.
  • the fluid may be a particle-laden gas or a suspension, the latter being preferred herein.
  • the fluid guide arrangement comprises at least one flow-deflecting device which is movable by means of at least one drive device and which is movable into the separation zone, in particular in the direction of the drum.
  • a mobility of a flow-deflecting device in the direction of the drum means that the distance A between the drum and the fluid-conducting device can be changed as required or in particular regions, in particular reduced in size.
  • Such a flow-deflecting device can also be movable parallel to the drum surface in the separation zone in order to change the width B of the separation zone as a whole or locally. After this can take place during operation of the magnetic separator, it is possible to adapt the geometry of the separation zone to fluctuations in the fluid composition without stopping the system. The greatest possible separation effect is optimally adjustable at any time.
  • the at least one flow-deflecting device is preferably formed in the form of a plate, a flap, a baffle or a punch.
  • the selective use of such flow-steering devices allows for a controlled effect on the flow in the separation zone, wherein areas with laminar flow and areas with turbulent flow, e.g. containing turbulences, backflow, etc. can be achieved.
  • the fluid guide arrangement comprises at least in regions a deformable surface on its surface facing the separation zone Membrane.
  • the drive device (s) are located on a side of the membrane facing away from the separation zone, but in particular also the at least one flow-deflecting device.
  • a membrane is formed for example by a wear-resistant film of plastic and / or metal, which is impermeable to the fluid. The diaphragm reliably prevents leakage of fluid from the separation zone and contamination of the mechanics of the moveable flow deflector (s).
  • the at least one drive device of a flow-deflecting device is preferably a motor, pneumatic, hydraulic or mechanical drive device.
  • a mechanical drive means is understood, for example, a push rod, crank assembly or the like, with the aid of a manual adjustment of the position of one or more simultaneously flow deflection is possible.
  • a pneumatic drive device is, for example, an adjustment system operated with compressed air.
  • an electromotive drive device comprising at least one electric motor is particularly preferred.
  • a measuring device for example, an X-ray fluorescence analysis for determining the composition and / or substance concentrations in the fluid, a laser diffraction to measure a particle size distribution or particle sizes, an ultrasonic measurement to measure a particle size distribution or particle sizes, an ultrasonic measurement to determine a solids concentration in the fluid, or a Coriolis mass flow measurement to determine the actual flow of fluid.
  • the latter comprises at least one control and / or regulating device for detecting the measured fluid parameters and for influencing the at least one drive device for the at least one flow-deflecting device on the basis of the currently measured fluid parameter (s). This allows a particularly rapid response to changes in the fluid under at least local adaptation of the geometry of the separation zone.
  • the object is achieved for the method for operating a magnetic separator according to the invention in that a fluid comprising magnetic and / or magnetizable particles and furthermore non-magnetic and / or non-magnetizable particles is passed through the separation zone that the magnetic and / or magnetizable particles are predominantly attached to the offset in rotation drum and separated from the fluid, and that during operation of the magnetic separator, a distance between the drum and the Fluidleitan extract and / or the width B of the separation zone is at least once changed at least locally.
  • the change in the geometry of the separation zone allows influencing the flow velocity of the fluid, the type of flow of the fluid and the path taken by the flow within the separation zone.
  • the separation process is optimally adaptable to changing fluid properties.
  • the quality of separation is improved and the yield increased. Machine downtime during a required reconfiguration of the geometry of the separation zone can be avoided.
  • the distance A between the drum and the Fluidleitan Aunt or the width B of the separation zone is preferably changed by a position of the at least one flow deflecting device is changed by means of the at least one drive device.
  • a flow-directing device can be moved in a straight line, obliquely or on a circular path.
  • an oscillation frequency and / or an oscillation amplitude and / or a temporal sequence takes place at different oscillation frequencies and / or a temporal sequence at different oscillation amplitudes as a function of at least one measured fluid parameter.
  • an increase in a proportion of non-magnetic and / or non-magnetisable particles in the separated material stream, also called concentrate stream increases a vibration frequency and / or oscillation amplitude in order to break up possibly increasingly forming flakes.
  • a predominantly turbulent flow of the fluid is preferably generated in the separation zone.
  • a use of a magnetic separator according to the invention for the separation of magnetic and / or magnetizable particles from ore of non-magnetic and / or non-magnetizable particles from gait has proven particularly useful.
  • FIG. 1 shows a first magnetic separator 1 in a three-dimensional view.
  • the magnetic separator 1 serves for separation magnetic and / or magnetizable particle of a fluid 2 further comprising non-magnetic and / or non-magnetizable particles. It is a drum 3 rotatable about a drum axis 3a and a magnet arrangement 4 comprising permanent magnets 4a fixedly arranged in an interior of the drum 3. Alternatively, the magnet arrangement 4 can also be rotatable about the drum axis 3a.
  • a separation zone 5, through which the fluid 2 can be conducted, is formed by a gap between the drum 3 and a fluid guide arrangement 6. During operation of the magnetic separator 1 here is a distance A (see FIG.
  • the fluid-conducting arrangement 6 comprises a plurality of flap-shaped flow-deflecting devices 8, 8a, 8b, 8c that are movable by means of at least one drive device 7 and are movable in the direction of the drum 3 into the separation zone 5.
  • the drum 3 rotates in the direction of flow of the fluid 2, wherein magnetic particles are drawn in the vicinity of the drum 3 and non-magnetic particles remain in the region of the fluid guide arrangement 6.
  • a waste stream 12 comprising predominantly non-magnetic and / or non-magnetisable particles is removed via a discharge opening 13a from the separation zone 5 and discharged via a discharge nozzle 13.
  • a concentrate stream 11 comprising predominantly magnetic and / or magnetizable particles is discharged via a concentrate discharge opening 14, which is located downstream of the discharge opening 13a for the waste stream in the fluid guide arrangement 6 in the direction of rotation of the drum 3.
  • a concentrate discharge opening 14 located downstream of the discharge opening 13a for the waste stream in the fluid guide arrangement 6 in the direction of rotation of the drum 3.
  • scrapers, spray mist or the like can be used here, but they are not shown here for the sake of clarity. How a change in the geometry of the separation zone 5 takes place is in FIG. 2 seen.
  • FIG. 2 shows a cross section through the first magnetic separator 1 according to FIG. 1 .
  • Same reference numerals as in FIG. 1 identify similar elements.
  • the position of the flap-shaped Flow control devices 8, 8 a, 8 b, 8 c are changed by actuating elements 17, which are driven by a drive device 7.
  • the actuators 17 can be manually positioned, for example via push rods or cranks with spindle drives.
  • an automatic positioning of the actuating elements 17, for example via electric motors etc. preferably takes place as a function of measured fluid parameters of the fluid 2.
  • FIG. 3 shows for better clarity, the fluid guide assembly 6 of the first magnetic separator 1 without the drum 3 in a three-dimensional view.
  • Same reference numerals as in FIG. 2 identify similar elements. Hatched marked are the largely vertically rising surfaces of the flow control devices 8,8a, 8b, 8c, which the fluid 2 during the passage through the separation zone 5 (see FIG FIG. 2 ) repeatedly in the direction of the drum 3 to improve the separation of the magnetic and / or magnetizable particles contained.
  • the slope of the flow-deflecting devices 8, 8a, 8b, 8c influences the acceleration of the magnetic and / or magnetizable particles in the direction of the drum 3.
  • the flow-directing devices 8, 8a, 8b, 8c extend over the entire width of the drum Separation zone 5 and the fluid guide 6 extend.
  • individual, separately positionable flow-deflecting devices could be arranged side by side on the width of the fluid-conducting arrangement 6-spaced apart from one another or closely following one another. The adjustment of the position of the flow-steering devices 8, 8a, 8b, 8c enables an optimization of the separation process.
  • FIG. 4 shows a second magnetic separator 1 'in cross-section, in particular with respect to the flow control devices 8,8a, 8b, 8c of the first magnetic separator 1 according to FIG. 2 and 3 different.
  • Same reference numerals as in FIG. 2 identify similar elements.
  • plate-shaped flow control devices 8,8a, 8b, 8c are present, which are connected to each other via a flexible membrane 9 and thus movable are.
  • the actuating elements 17 are connected in an articulated manner to the plate-shaped flow deflection devices 8, 8 a, 8 b, 8 c and are driven by a drive device 7.
  • the positioning of the flow-deflecting devices 8, 8a, 8b, 8c takes place via the adjustment of the position of the actuating elements 17, in which case there is a dependence of the positioning of a flow-deflecting device on the flow-deflecting device (s) arranged adjacently thereto.
  • the plate-shaped flow-deflecting devices 8, 8a, 8b, 8c can extend over the entire width of the separation zone 5 or the fluid-conducting arrangement 6.
  • individual, separately positionable plate-shaped flow-deflecting devices can be arranged next to one another distributed over the width of the fluid-conducting arrangement 6-spaced apart from one another or closely following each other. The connection between the individual plate-shaped flow deflection always forms the flexible membrane.
  • FIG. 5 shows a third magnetic separator 1 '' with a changed flow path of the fluid 2 in three-dimensional view. Same reference numerals as in FIG. 1 identify similar elements.
  • the fluid 2 is introduced from below into the separation zone 5 via a fluid feed connection 15. This takes place via a fluid feed opening 15a in the fluid guide arrangement 6.
  • the magnetic and / or magnetizable particles are removed in the region of a concentrate discharge opening 14 with the concentrate stream 11, which flows in the direction of drum movement, while the nonmagnetic and / or nonmagnetizable particles with the waste stream 12 - which flows against the drum movement - be discharged.
  • scrapers, spray mist or the like can be used here, but they are not shown here for the sake of clarity.
  • FIG. 6 shows the third magnetic separator 1 '' in cross section. Same reference numerals as in FIG. 5 identify similar elements.
  • mushroom-shaped flow control devices 8,8a, 8b, 8c which are covered by a continuous flexible membrane 9, which seals the separation zone 5 down.
  • the flow-steering devices 8, 8 a, 8 b, 8 c are pneumatically driven by a drive device 7 here.
  • the positioning of the flow-deflecting devices 8, 8a, 8b, 8c takes place via the adjustment of an air pressure below the flow-deflecting devices 8, 8a, 8b, 8c, whereby a dependency of the positioning of the diaphragm 9 in not supported by the flow-directing devices 8, 8a, 8b, 8c Areas of the / the positions of the adjacently disposed flow control devices consists.
  • the membrane 9 can also be deflected in the direction of the drum 3 via a flow-deflecting device in the form of an air cushion generated below the membrane 9, wherein the mushroom-shaped flow-deflecting device can be dispensed with.
  • FIG. 7 shows for clarity a first Fluidleitan Aunt 6 of the third magnetic separator 1 '' in plan view without the drum 3 in a three-dimensional view.
  • Same reference numerals as in FIG. 6 identify similar elements.
  • the flow-deflecting devices 8, 8a, 8b, 8c which are seen in cross-section, can be seen which, during the passage through the separation zone 5 (see FIG FIG. 6 ) repeatedly in the direction of the drum 3 to improve the separation of the magnetic and / or magnetizable particles contained. It can be seen in this view that the flow-deflecting devices 8, 8a, 8b, 8c extend linearly over the entire width of the separation zone 5 or the first fluid-conducting arrangement 6.
  • the fluid 2 flows here in a wave-like manner through the separation zone 5.
  • FIG. 8 shows an alternative second Fluidleitan extract 6 'of the third magnetic separator 1 '' .
  • individual, separately positionable mushroom-shaped Strömungslenk issued side by side to the width of the Fluidleitan extract 6 'distributed - spaced from each other or closely following - arranged.
  • another wave structure across the width of the separation zone 5 can be formed and thus a significantly differentiated flow pattern of the fluid 2 by a local change in the distance A between the drum 3 and second Fluidleitan elbow 6 ' achievable.
  • the second fluid guide arrangement 6 ' has further flow deflection devices 80,80a, 80b, 80c, which are arranged laterally on the second fluid guide arrangement 6' and are adapted to adjust the width B of the separation zone 5 (cf. FIG. 8 ) to change.
  • the further flow-deflecting devices 80, 80a, 80b, 80c are shown only on one side of the fluid-conducting arrangement 6 ', but may be present on one of the two sides as well as on both sides.
  • the further flow-deflecting devices 80,80a, 80b, 80c by means of which the width B of the separation zone can be locally changed, are constructed here as well as the flow-deflecting devices 8,8a, 8b, 8c and are spanned by a membrane, in particular likewise the membrane 9 ,
  • the further flow-deflecting devices 80, 80a, 80b, 80c can also be designed differently from the flow-deflecting devices 8, 8a, 8b, 8c, which are used to change the distance A between the drum and the fluid-conducting arrangement 6 '.
  • the second fluid-conducting arrangement 6 ' is operated in particular such that a permanent change in the position of the flow-directing devices 8, 8a, 8b, 8c and / or other flow-directing devices 80, 80a, 80b, 80c takes place in such a way that they are set in oscillation.
  • a pulsation of the fluid 2 is achieved, which with an increased destruction of agglomerated magnetic flakes and / or magnetizable particles in the fluid 2.
  • the separation success is thereby improved because fewer non-magnetic and / or non-magnetizable particles enter the concentrate stream 11 as part of some flakes.
  • the fluid parameter FP is transmitted to a control and / or regulating device 16 which, depending on the fluid parameter FP, sends a control signal SW to the at least one drive unit 7, 7 '.
  • the distance A between the drum and the fluid guide arrangement is reduced when the particle sizes change toward smaller particles. If a change in the particle size towards larger particles in the fluid 2 is measured, the distance A between the drum and the fluid guide arrangement is increased. This is preferred automatically. This ensures that the optimum separation efficiency can be maintained even with changing fluid parameters FP without the magnetic separator 1,1 ', 1' must be switched off '.
  • the distance A between the drum and the fluid-conducting arrangement is reduced in particular as the flow velocity increases, but correspondingly increased when the flow velocity decreases. This is preferably done automatically.
  • the distance A between the drum and the fluid guide arrangement is increased in particular as the flow rate increases, but correspondingly reduced as the flow rate decreases. This is preferably done automatically.
  • the distance A between the drum and fluid guide arrangement and / or the width of the separation zone is increased as the solids content increases.
  • the fluid is further vibrated, wherein a dynamic change of the distance A and / or the width B takes place in order to break up any flakes present.
  • the distance A is preferably reduced. This is preferably done automatically.
  • a plurality of fluid parameters FP detected they can interact with each other and it is a suitable control and / or control algorithm to deposit in the control and / or regulating device 16, which weights the fluid parameters FP and automatically calculates the optimal positioning of the at least one flow deflecting device.
  • the creation of such a control and / or regulation algorithm is easily possible on the basis of a few test runs.
  • the fluid parameter FP 1 is transmitted to a control and / or regulating device 16 which, depending on the fluid parameter FP 1, sends a control signal SW to the at least one drive unit 7, 7 '.
  • the drive unit 7, 7 ' brings about a positioning of the at least one flow deflection device 8, 8 as a function of the fluid parameter or measured fluid parameters FP 1 , wherein this is assigned a control value ST.
  • the distance A between the drum and fluid guide arrangement is substantially maintained when the content changes to more magnetic and / or magnetizable particles. If a change in the content toward less magnetic and / or magnetizable particles in the concentrate stream 11 is measured, then the distance A between the drum and fluid guide arrangement is reduced. This is preferably done automatically. This ensures that the optimal Separation success can be maintained even with changing fluid parameters FP 1 , without the magnetic separator 1,1 ' , 1 '' must be turned off.
  • the distance A between the drum 1 and 2 is changed when the content changes to more non-magnetic and / or non-magnetizable particles Fluidleitan Aunt enlarged and / or the flow control devices by the control and / or regulating device 16 and the drive means 7,7 ' imprinted a vibration which causes a pulsation of the fluid and destruction of any existing flakes.
  • the distance A between the drum and the fluid guide arrangement is essentially maintained, provided that a content of magnetic and / or magnetizable particles remains constant. This is preferably done automatically. This ensures that the optimum separation efficiency can be maintained 1 with changing fluid parameters FP, without the magnetic separator 1,1 ', 1' must be turned off '.
  • FIG. 11 shows a further schematic representation of a preferred operation of a magnetic separator 1,1 ' , 1 '' comprising one or more flow control devices 8,80.
  • the waste stream 12 flowing out of the separation zone 5 of the magnetic separator 1, 1 ' , 1 '' is here analyzed by means of a third measuring device 10b with regard to at least one fluid parameter FP 2 , such as the content of the waste stream 12 of magnetic and / or magnetizable particles.
  • the distance A between the drum and the fluid guide arrangement is substantially maintained.
  • FIG. 12 shows a further schematic representation of a preferred operation of a magnetic separator 1,1 ' , 1 '' .
  • a plurality of measuring devices 10, 10a, 10b are present at the same time, which detect the fluid parameters FP, FP1, FP2 and transmit them to the control and / or regulating device 16.
  • the measuring devices 10,10a, 10b For the operation of the measuring devices 10,10a, 10b, reference is made to the comments on the 9 to 11.
  • a suitable control and / or regulation algorithm is to be stored in the control and / or regulating device 16, which contains the fluid parameters FP, FP I , FP 2 correspondingly weighted and automatically calculates the optimum positioning of the at least one flow-deflecting device 8,80, which is converted by means of the drive means 7,7 'in a row.
  • the creation of such a control and / or regulation algorithm is easily possible on the basis of a few test runs.
  • FIGS. 1 to 12 only show examples of magnetic separators according to the invention and their operation. However, one skilled in the art will readily be able to provide other suitable magnetic separators and methods in accordance with the invention without having to be inventive in their own right. In particular, a large number of further embodiments for flow control devices and their arrangement in the fluid guide arrangement possible.

Landscapes

  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
EP11182927A 2011-09-27 2011-09-27 Séparateur magnétique, son procédé de fabrication et son utilisation Withdrawn EP2574405A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP11182927A EP2574405A1 (fr) 2011-09-27 2011-09-27 Séparateur magnétique, son procédé de fabrication et son utilisation
RU2014116981/03A RU2014116981A (ru) 2011-09-27 2012-09-04 Магнитный сепаратор, способ его функционирования и его применение
US14/347,839 US20140231358A1 (en) 2011-09-27 2012-09-04 Magnetic separator, method for operation thereof and use thereof
PCT/EP2012/067203 WO2013045227A1 (fr) 2011-09-27 2012-09-04 Séparateur magnétique, procédé permettant de faire fonctionner ledit séparateur, et utilisation dudit séparateur
CN201280046962.XA CN103826751A (zh) 2011-09-27 2012-09-04 磁选机，运行磁选机的方法和磁选机的应用
EP12753733.0A EP2736647A1 (fr) 2011-09-27 2012-09-04 Séparateur magnétique, procédé permettant de faire fonctionner ledit séparateur, et utilisation dudit séparateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11182927A EP2574405A1 (fr) 2011-09-27 2011-09-27 Séparateur magnétique, son procédé de fabrication et son utilisation

Publications (1)

Publication Number Publication Date
EP2574405A1 true EP2574405A1 (fr) 2013-04-03

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EP11182927A Withdrawn EP2574405A1 (fr) 2011-09-27 2011-09-27 Séparateur magnétique, son procédé de fabrication et son utilisation
EP12753733.0A Withdrawn EP2736647A1 (fr) 2011-09-27 2012-09-04 Séparateur magnétique, procédé permettant de faire fonctionner ledit séparateur, et utilisation dudit séparateur

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EP12753733.0A Withdrawn EP2736647A1 (fr) 2011-09-27 2012-09-04 Séparateur magnétique, procédé permettant de faire fonctionner ledit séparateur, et utilisation dudit séparateur

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US (1) US20140231358A1 (fr)
EP (2) EP2574405A1 (fr)
CN (1) CN103826751A (fr)
RU (1) RU2014116981A (fr)
WO (1) WO2013045227A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104511370A (zh) * 2013-09-28 2015-04-15 辽宁五寰工程技术有限公司 无涡流损耗磁力分选机

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WO2013045227A1 (fr) 2013-04-04

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