EP2346612A1 - Dispositif pour le depot de particules ferromagnetiques a partir d'une suspension - Google Patents

Dispositif pour le depot de particules ferromagnetiques a partir d'une suspension

Info

Publication number
EP2346612A1
EP2346612A1 EP09783394A EP09783394A EP2346612A1 EP 2346612 A1 EP2346612 A1 EP 2346612A1 EP 09783394 A EP09783394 A EP 09783394A EP 09783394 A EP09783394 A EP 09783394A EP 2346612 A1 EP2346612 A1 EP 2346612A1
Authority
EP
European Patent Office
Prior art keywords
suspension
ferromagnetic particles
flow
reactor
outer space
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09783394A
Other languages
German (de)
English (en)
Other versions
EP2346612B1 (fr
Inventor
Vladimir Danov
Bernd Gromoll
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 PL09783394T priority Critical patent/PL2346612T3/pl
Publication of EP2346612A1 publication Critical patent/EP2346612A1/fr
Application granted granted Critical
Publication of EP2346612B1 publication Critical patent/EP2346612B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B03C1/28—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 separating ferromagnetic particles from a suspension, with a reactor through which the suspension can flow, with at least one magnet arranged on the outside of the reactor.
  • the ore is ground to powder and the resulting powder mixed with water.
  • This suspension is exposed to a magnetic field generated by one or more magnets, so that the ferromagnetic particles are attracted, whereby they can be separated from the suspension.
  • a device for separating ferromagnetic particles from a suspension in which a drum consisting of iron rods is used.
  • the iron rods are alternately magnetized as the drum rotates, causing ferromagnetic particles to adhere to the iron rods, while other components of the suspension fall between the iron rods.
  • DE 26 51 137 A1 describes an apparatus for separating magnetic particles from an ore material, in which the suspension is passed through a tube which is surrounded by a magnetic coil.
  • the ferromagnetic particles accumulate at the edge of the tube, other particles are separated by a central tube, which is located inside the tube.
  • a magnetic separator is described in US 4,921,597 B.
  • the magnetic separator has a drum on which a plurality of magnets are arranged.
  • the drum is opposite to the flow direction of the suspension. rotates so that ferromagnetic particles adhere to the drum and are separated from the suspension.
  • a process for the continuous magnetic separation of suspensions is known from WO 02/07889 A2.
  • a rotatable drum is used in which a permanent magnet is mounted to deposit ferromagnetic particles from the suspension.
  • a tubular reactor is used to separate the ferromagnetic particles from the suspension, through which the suspension flows.
  • one or more magnets are arranged, which attract the contained ferromagnetic particles.
  • the ferromagnetic particles migrate to the reactor wall and are held by the magnet arranged on the outside of the reactor.
  • the invention has for its object to provide a device for separating ferromagnetic particles from a suspension, in which the deposition process can be carried out continuously and efficiently.
  • a device of the type mentioned in which the reactor has an interior space and an outer space surrounding it, wherein the outer space and the interior are separated by an insert from each other and the use at least one opening in the vicinity of at least one Magnet has.
  • the device according to the invention has the advantage that it can be operated continuously.
  • the suspension flows through the interior space, and ferromagnetic particles contained in the suspension fall into the influence of the magnetic field generated by the at least one magnet and are attracted thereto.
  • the ferromagnetic particles pass through the at least one opening into the interior and accumulate in the outer space, preferably on the inner wall of the reactor.
  • the ferromagnetic particles separated in this way from the suspension flowing through the interior can then be deposited comparatively easily.
  • the interior of the device according to the invention has a circular cross section and the outer space has an annular cross section. Accordingly, the insert can be tubular, the outer space is limited by a jacket tube.
  • the insert may have a plurality of openings spaced apart from one another in the direction of flow.
  • the insert flows through the interior space, ferromagnetic particles are gradually separated from the suspension, so that the concentration of the ferromagnetic particles in the exterior space increases continuously.
  • the insert has a plurality of circumferentially spaced openings and a plurality of magnets. Each opening in the insert may be associated with a magnet, so that the ferromagnetic particles move radially from the interior to the outer space.
  • the at least one magnet is designed as an electromagnet, which is preferably switched on and off.
  • an electromagnet or a plurality of electromagnets are provided, these can be controlled on and off.
  • the electromagnet is switched off, the magnetic field collapses, so that the ferromagnetic particles adhering to the inner wall of the outer space are entrained by the flow.
  • the suspension which is located in the outer space, are separated, whereby the desired separation of the ferromagnetic particles is achieved by the suspension.
  • the electromagnets can then be switched on again, so that the ferromagnetic particles again flow from the interior into the outer space and adhere there to the inner wall of the reactor.
  • a control of the movement of the ferromagnetic particles in the device according to the invention can also take place in that the strength of the magnetic field generated by the at least one electromagnet is controllable.
  • the diameters of the interior and exterior space and the flow velocity of the suspension are selected so that almost no cross-flow occurs between the interior space and the exterior space.
  • a control for switching on or off the flow in the outer space and / or the interior is provided.
  • the flow in the outer space can be switched on while it is switched off in the interior.
  • only the flow in the interior can be switched on, so that ferromagnetic particles migrate under the influence of the magnetic field into the outer space, in which there is no flow.
  • the flow in the outer space is turned on intermittently or intermittently.
  • the figure is a schematic representation and shows a section through a device according to the invention for separating ferromagnetic particles from a suspension.
  • the device 1 comprises a reactor 2, on the outside of which magnets 3, 4 are arranged. These are electromagnets that can be switched on and off by means of a controller 5.
  • the reactor 2 comprises an insert 6, which is tubular in the illustrated embodiment.
  • the reactor 2 is also tubular or cylindrical.
  • the insert 6 in the reactor 2 separates an inner space 7 in the interior of the insert 6 from an outer space 8, which has an annular cross-section and is delimited by the outer wall of the reactor 2.
  • the insert 6 has a plurality of spaced-apart openings 9, 10, through which the inner space 7 is connected to the outer space 8.
  • the opening 9 is located in the vicinity of the magnet 3
  • the opening 10 is located in the vicinity of the magnet 4.
  • further openings may be present, which are distributed either over the circumference of the insert 6 and / or in the longitudinal direction of the Insert 6, ie in the flow direction, are arranged distributed. Each of these further openings may be associated with a magnet.
  • the device shown in the figure allows the separation of ferromagnetic particles from a suspension.
  • the interior 7 of the reactor 2 is filled via a line, not shown, with the suspension 11 and continuously flows through the suspension 11.
  • the magnets 3, 4 are switched on by the controller 5
  • ferromagnetic particles contained in the suspension 11 are injected under the inlet flow of the magnetic field generated by the magnets 3, 4 radially deflected from the flow.
  • the ferromagnetic particles pass through the openings 9, 10 and enter the outer space 8 of the reactor 2, where they accumulate on the inner wall, as shown in the figure.
  • the outer space 8 can also be flowed through by the suspension 11, but it is also conceivable to allow the suspension 11 to flow only through the inner space 7, so that the ferromagnetic particles gradually accumulate in the outer space 8.
  • the flow velocity in the interior 7 is adjusted to the geometrical parameters of the reactor and in particular to the size and number of openings 9, 10, that virtually no pressure loss between the interior 7 and the outer space 8 occurs, so no cross flow over the Openings 9, 10 are formed and only the ferromagnetic ones
  • the adhering to the inner wall of the reactor 2 magnetic particles dissolve and can be taken by the flow and deposited.
  • the separation of the deposited ferromagnetic particles from the remaining suspension can then easily be done through a sieve or the like.
  • the controller 5 can also be used to control the strength of the magnetic field generated by the magnets 3, 4.
  • the magnetic field can be controlled to turn on and off intermittently or intermittently so that the ferromagnetic particles adhering to the inner wall of the reactor 2 are automatically deposited after a certain time.
  • the controller is also able to turn the flow through the interior 7 (primary flow) or the flow in the exterior space 8 (secondary flow) on or off, so that, for example, the exterior space 8 can be flushed in a targeted manner.

Landscapes

  • Physical Or Chemical Processes And Apparatus (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

L'invention porte sur un dispositif pour la séparation de particules ferromagnétiques à partir d'une suspension, avec un réacteur (2) pouvant être traversé par la suspension avec au moins un aimant (3, 4) disposé sur le côté extérieur du réacteur (2), le réacteur (2) présentant un espace interne (7) et un espace externe (8) entourant celui-ci, l'espace interne (7) et l'espace externe (8) étant séparés l'un de l'autre par un insert (6) et l'insert (6) présentant au moins une ouverture (9, 10) au voisinage du au moins un aimant (3, 4).
EP09783394.1A 2008-11-13 2009-09-25 Dispositif pour le depot de particules ferromagnetiques a partir d'une suspension Not-in-force EP2346612B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09783394T PL2346612T3 (pl) 2008-11-13 2009-09-25 Urządzenie do oddzielania cząstek ferromagnetycznych od zawiesiny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008057082A DE102008057082A1 (de) 2008-11-13 2008-11-13 Vorrichtung zum Abscheiden ferromagnetischer Partikel aus einer Suspension
PCT/EP2009/062412 WO2010054885A1 (fr) 2008-11-13 2009-09-25 Dispositif pour le dépôt de particules ferromagnétiques à partir d'une suspension

Publications (2)

Publication Number Publication Date
EP2346612A1 true EP2346612A1 (fr) 2011-07-27
EP2346612B1 EP2346612B1 (fr) 2013-07-03

Family

ID=41467101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09783394.1A Not-in-force EP2346612B1 (fr) 2008-11-13 2009-09-25 Dispositif pour le depot de particules ferromagnetiques a partir d'une suspension

Country Status (12)

Country Link
US (1) US8632684B2 (fr)
EP (1) EP2346612B1 (fr)
CN (1) CN102215975B (fr)
AU (1) AU2009315864B2 (fr)
CA (1) CA2743364C (fr)
CL (1) CL2011000934A1 (fr)
DE (1) DE102008057082A1 (fr)
ES (1) ES2424876T3 (fr)
PE (1) PE20120202A1 (fr)
PL (1) PL2346612T3 (fr)
RU (1) RU2474478C1 (fr)
WO (1) WO2010054885A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010023130B4 (de) * 2010-06-09 2012-04-12 Basf Se Wanderfeldreaktor und Verfahren zur Trennung magnetisierbarer Partikel von einer Flüssigkeit
CN102145315B (zh) * 2011-01-29 2014-11-26 刘治家 高纯铁精粉多级脱硅提纯方法及装置
EP2638967A1 (fr) * 2012-03-15 2013-09-18 Siemens Aktiengesellschaft Procédé et dispositif destiné à influencer un paramètre d'écoulement d'une suspension et installation de commande et/ou de réglage
DE102016205243A1 (de) * 2016-03-30 2017-10-05 Thyssenkrupp Ag Vorrichtung und Verfahren zur Aufbereitung eines Probematerials
CN107879448B (zh) * 2017-12-26 2024-01-19 北京奥友兴业科技发展有限公司 一种高效加载絮凝污水处理装置
CN110102405A (zh) * 2019-05-28 2019-08-09 西安热工研究院有限公司 一种电站锅炉蒸汽吹管零阻力集粒器
US11391408B2 (en) 2020-05-26 2022-07-19 Changsha University Of Science & Technology Intelligent and durable buried drainage pipe and a method of separation and transmission
CN112253891B (zh) * 2020-09-04 2021-07-23 长沙理工大学 一种智能耐用埋地排水管及分离输送方法

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GB1322229A (en) 1970-07-09 1973-07-04 Bethlehem Steel Corp Method and apparatus for separating magnetic material
SE7612178L (sv) 1975-11-10 1977-05-11 Union Carbide Corp Sett och anordning for att separera magnetiska partiklar fran ett malmmaterial med anvendning av en supraledande magnet
GB2064377B (en) 1979-10-12 1984-03-21 Imperial College Magnetic separators
SU984492A1 (ru) * 1981-08-26 1982-12-30 Всесоюзный Научно-Исследовательский И Проектно-Технологический Институт Электрокерамики Электромагнитный сепаратор дл очистки суспензий
DD258237A5 (de) 1985-10-18 1988-07-13 ��K@�����`�������@����������k�� Verfahren zur herstellung einer aliphatischen phosphonsaeure
US4921597A (en) 1988-07-15 1990-05-01 Cli International Enterprises, Inc. Magnetic separators
SU1655911A1 (ru) * 1989-07-10 1991-06-15 Башкирский сельскохозяйственный институт Аппарат дл магнитной обработки жидкости
RU2006256C1 (ru) * 1992-02-05 1994-01-30 Михаил Федорович Остриков Магнитный фильтр
US6120735A (en) 1992-02-26 2000-09-19 The Ohio States University Fractional cell sorter
WO2002007889A2 (fr) 2000-07-26 2002-01-31 Oleg Darashkevitch Appareil de separation magnetique continue de melanges liquides
US20030186465A1 (en) * 2001-11-27 2003-10-02 Kraus Robert H. Apparatus used in identification, sorting and collection methods using magnetic microspheres and magnetic microsphere kits
RU2276259C2 (ru) * 2003-05-12 2006-05-10 Государственный научно-исследовательский проектный институт "Гипроморнефтегаз" Устройство магнитной обработки скважинной жидкости
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CN1695769A (zh) * 2004-05-10 2005-11-16 董安城 两相分离单元和包含该单元的分离装置、反应器与吸附设备
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Also Published As

Publication number Publication date
US20110220580A1 (en) 2011-09-15
DE102008057082A1 (de) 2010-05-27
CA2743364A1 (fr) 2010-05-20
RU2474478C1 (ru) 2013-02-10
RU2011123904A (ru) 2012-12-20
CL2011000934A1 (es) 2011-08-05
CN102215975B (zh) 2014-09-17
PL2346612T3 (pl) 2013-12-31
CA2743364C (fr) 2014-07-22
WO2010054885A1 (fr) 2010-05-20
AU2009315864B2 (en) 2012-12-06
CN102215975A (zh) 2011-10-12
EP2346612B1 (fr) 2013-07-03
ES2424876T3 (es) 2013-10-09
US8632684B2 (en) 2014-01-21
PE20120202A1 (es) 2012-03-09
AU2009315864A1 (en) 2010-05-20

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