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
• • 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
  • 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
• • 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
  • B03C2201/00—Details of magnetic or electrostatic separation
  • B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid

Definitions

• the invention relates to a device for the separation of ferromagnetic particles from a suspension according to the preamble of claim 1.
• ferromagnetic particles must be separated from a suspension.
• copper-containing particles which are not ferromagnetic per se
• ferromagnetic particles, such as magnetite are chemically coupled and thus selectively separated from the suspension with the total ore.
• the value of solid particles, particularly metal compounds in this case contains, which are reduced in a further reduction process to metals.
• Magnetabscheideclar or magnetic separation methods are used to extract selectively ferromagnetic particles from the Suspen ⁇ sion and to deposit them.
• a design of magnetic separation systems comprising a tubular reactor, are arranged on the coils such that on a reactor inner wall, a magnetic field is generated, on which the ferromagnetic particles accumulate and from there in a suitable manner and be transported away.
• the object of the invention is to improve a Magnetseparati- onsstrom such that the quality of the deposition of ferromagnetic particles is improved.
• the device according to the invention is characterized in that it comprises a tubular reactor through which a suspension containing ferromagnetic particles can flow.
• the reactor has a first region in the direction of flow and a second region. Further, the reactor includes means for generating a magnetic field be ⁇ vorzugt magnetic coils, along a reactor wall - preferably a migrating along the reactor wall - generate magnetic field.
• the tubular reactor has in the second region a Gangartabhnezier and a surrounding Konzentratabscheidekanal. The reactor is designed in such a way that the cross-sectional area of the tube-shaped ⁇ reactor in the second region is greater than in the first region.
• the tubular reactor thus expands in the second region in relation to its cross-sectional area in the first region and at the same time splits into the gangue drain pipe arranged centrally in the tubular reactor and into a concentrate separation channel surrounding this gangue drain pipe.
• the ferromagnetic particles which adhere to the reactor inner wall held by magnetic forces and are moved along this, are derived in the second area by the expansion of the reactor to the outside, the rest of Sus ⁇ pension containing no or only slightly ferromagnetic particles, the also as a gait or in English as a talling is designated in the middle of the reactor flows into the Gangartab ⁇ flow tube.
• Magnetic particles are understood in particular as meaning ferromagnetic particles and are also referred to as such below. This includes in particular the initially mentioned composite particles, which consist of a chemical coupling between a ferromagnetic particle and a non-magnetic material.
• the tubular reactor generally has a circular cross-section.
• the circular cross-section in particular ⁇ sondere useful to a uniform magnetic field be ⁇ riding noted and the reactor tube cost herzustel ⁇ len.
• the reactor tube cost herzustel ⁇ len For a circular reactor and the directly correlated Beg ⁇ reef reactor diameter can be used instead of the term cross-sectional area. If the cross-sectional shape of the reactor deviates from the circular shape, then the term diameter used later in the special description is to be regarded as equivalent to the term cross-sectional area of the reactor.
• the cross-sectional area of the Gangartab Wegrohres in the second region is at least as large or larger than the diameter or the cross-sectional area of the reactor in the first Be ⁇ rich.
• the concentrate Konzentratab ⁇ distinguish channel is carried as far outwardly that the gear ⁇ art in the second region can continue to flow unimpeded and their at least the same cross section is available, as in the first area of the reactor in total.
• the probability that the be ⁇ plated by gravity pace lost in the Konzentratabscheidekanal is significantly lower by this design, as is the case in the prior art.
• a third area is provided in the direction of flow, in which the reactor expands once again and splits a channel drain pipe surrounded by it in a further concentrate separation channel.
• the diameter or the cross-sectional area of the reactor in the third region is greater than in the second.
• the diameter of the Gangartabhnes in the third region is at least as large as the diameter of the reactor in the second region.
• this third area which is geometrically a second stage in the reactor, has the same effect as the widening of the reactor in the second area, it is discharged once again the concentrate in the concentrate outflow channel to the outside and the remaining of the first stage gait can drain due to gravity in a wide Gangartabhnerohr.
• a flushing device is provided, through which a flushing liquid can be flushed into the Konzentratabscheidekanal.
• This rinsing liquid ⁇ causes further rinsing the gangue which is still present in the concentrate and which has inadvertently found their way into the Konzentratabscheidekanal.
• the concentrate separation channel prefferably tapered with respect to the direction of flow after the rinsing liquid has entered. This causes above the Rejuvenation by the occurrence of the rinsing liquid creates an overpressure, and the gait with the rinsing liquid is moved counter to the direction of flow in the Konzentratabscheidekanal and is fed back into the Gangartab Kunststoffrohr.
• FIG. 1 is a schematic cross-sectional view of a prior art magnetic separation apparatus
• FIG. 2 shows a schematic cross-sectional view of a magnetic separation device with a reactor cross-section extended in the second region
• FIG. 3 shows a magnetic separation device according to FIG. 2 with an additional flushing device
• FIG. 4 shows a device for magnetic separation according to FIG. 2 with a second expansion stage of the reactor cross-section
• FIG. 5 shows a magnetic separation device according to FIG. 4 with a flushing device in the third region
• FIG. 6 shows a magnetic separation device according to FIG. 5 with an additional flushing device in the second region.
• a magnetic separation device 2 is shown schematically in cross section, comprising a tubular Re ⁇ actuator 6.
• Means for generating a magnetic field which are designed in the form of coils 14.
• the coils 14 are arranged ro ⁇ tationssymmetrisch around the reactor 6 and is by making an inside, in particular at a reactor inner wall 16 applied, here for clarity not shown magnetic field generated.
• ferromagnetic particles which are contained in a suspension 4 flowing through the reactor are drawn onto the reactor inner wall 16 and are deposited thereon.
• the magnetic field can be designed in such a way that it travels along a through-flow direction 8 of the suspension 4 on the inner wall 16 of the reactor 6.
• Such a magnetic field is also called a traveling field.
• a likewise tubular, preferably cylindrical displacement body 5 can be arranged in the interior of the reactor 6, through which the suspension 4 is forced closer to the reactor wall 16 and thus brings more ferromagnetic particles into the range of the magnetic field.
• the ferromagnetic particles resting against the inner wall 16 of the reactor are guided along the wall 16 by the traveling field in the direction of flow 8.
• the device 2 is characterized in that the reactor 6 has a second region 12, in which the reactor 6 widens stepwise in its cross-sectional area.
• the reactor 6 is a cylindrical reactor having a circular cross-section, so is a
• Diameter 21 of the reactor 6 in a first region 10 is smaller than a diameter 22 of the reactor 6 in the second region 12. Furthermore, the reactor 6 divides in the second region 12 into a gangue drain pipe 18 and in a surrounding Konzentratabscheidekanal 20.
• the Konzentratabscheide ⁇ channel 20 extends in the transition from the first region 10 to the second region 12 obliquely outward, the Gangartabhne- pipe 18 preferably at least the same diameter 24, as the diameter 21 of the reactor 6 in the first region.
• the movement of the suspension 4 follows in a vertically-oriented reactor ⁇ substantially of gravity, which is indicated by the arrow 38th In the transition between the first region 10 and second region 12 having approximately unverän- dertem tube cross section there is no material ⁇ Liche driving force, which could lead them in the Konzentratabscheideka ⁇ nal 20 for the gait.
• the reactor 6 must not necessarily be comparable vertically placed, it can also have horizontal direction ⁇ components, wherein the suspension is optionally pressed under pressure to the reactor. 6
• the ferromagnetic particles moving along the reactor inner wall 16 follow the arrow 36 in FIG. 2 into the concentrate separation channel 20.
• the quality of the deposition ie the concentration of ferromagnetic particles entering the concentrate separation channel 20, is greater than in the case of a device of the prior art the technique is the case, as shown for example in Figure 1.
• the corre ⁇ chenden features in Figure 1, since they carry the same name as those in Figure 2, but not part of the invention, provided with a star.
• FIG. 1 it can be seen that the tubular reactor 6 * continues in the second region with the same diameter as in the first region, only the drainage tube 18 * for the gait narrows in contrast to the device according to FIG in
• FIG. 3 shows a magnetic separation device 2 analogous to that shown in FIG. 2, but with an additional flushing device.
• direction 32 has.
• a rinsing fluid line 40 which is here exemplified centrally ⁇ arranged in the tubular reactor 6, a rinsing liquid is passed 34 into the vagina canal Konzentratab ⁇ 20th
• the Konzentratabscheidekanal 20 tapers below the on ⁇ guiding the flushing liquid 34.
• the taper 44 is illustrated by the taper 44 in FIG.
• the term "below” is to be understood that the taper 44 is arranged in the flow direction 8 below the flushing device, which in practice, in which the Be ⁇ movement of the suspension 4 is determined by gravity, topographically as below can be designated.
• FIG. 4 shows a device for magnetic separation with a two-stage tubular reactor 6.
• the reactor 6 'in FIG. 4 has a further broadening of its cross-sectional area or its diameter in the form of a further step, viewed in the direction of flow 8.
• the reactor 6 ' has a third region 26, in which the reactor 6' is split once more into a concentrate separation channel 20 'and into a gangue outlet pipe 18'. Accordingly, the cross-sectional area or diameter of the diameter 28 of the third region 26 of the reactor 6 'is greater than the diameter 24 of the second region 12.
• the gait drain pipe 18' is designed to have the same or a larger cross section or diameter 30, as the diameter 24 or the cross section of the Re ⁇ actuator 6 'in the second region 12th
• the further expansion of the reactor 6 'in the third region 26 has the same effect as has already been described for the second region 12.
• the excess gait can escape freely through gravity gate 18, following gravity or squeezing force.
• the magnetic field which is not explicitly shown, which is generated by the coils 14, is a traveling field which follows in particular the through-flow direction 8 and in the further course of the discharge direction 36 of the magnetic particles.
• a Sorg ⁇ verttige design of the magnetic coils 14 and the choice of sufficiently high electrical currents in the coils in the transition zone between the first region 10 and the second region 12 and the second region 12 in the third area 26 is necessary to a safe dissipation of the concentrate to ge ⁇ guarantee.
• FIGS. 5 and 6 each show a two-stage tubular reactor 6 ', with a flushing device 32' being provided in the third region 26 in FIG. 5 and a flushing device in each case in the second region 12 as well as in the third region 26 in FIG 32 and 32 'is arranged.
• the rinsing water jet of the rinsing water device 32, 32 ' causes a whirling up of the mixture of magnetic and mitbe forthtem non-magnetic material conveyed down on the reactor inner wall 16, so the gait.

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• Physical Or Chemical Processes And Apparatus (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Manufacture And Refinement Of Metals (AREA)
• Water Treatment By Electricity Or Magnetism (AREA)
• Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=45558700

Family Applications (1)

Country Status (10)

Families Citing this family (15)

Citations (1)

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• 2011
  • 2011-02-09 DE DE102011003825A patent/DE102011003825A1/de not_active Ceased
• 2012
  • 2012-01-24 RU RU2013141206/03A patent/RU2562629C2/ru not_active IP Right Cessation
  • 2012-01-24 AU AU2012216124A patent/AU2012216124A1/en not_active Abandoned
  • 2012-01-24 BR BR112013020089A patent/BR112013020089A2/pt not_active IP Right Cessation
  • 2012-01-24 CN CN2012800078768A patent/CN103459041A/zh active Pending
  • 2012-01-24 CA CA2826667A patent/CA2826667A1/en not_active Abandoned
  • 2012-01-24 EP EP12701863.8A patent/EP2648848A1/de not_active Withdrawn
  • 2012-01-24 WO PCT/EP2012/051046 patent/WO2012107274A1/de active Application Filing
  • 2012-01-24 US US13/984,630 patent/US20130313177A1/en not_active Abandoned
  • 2012-01-24 UA UAA201309831A patent/UA109303C2/ru unknown

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