CN106111318A - A kind of strongly magnetic mineral classification fluidization low intensity magnetic separation device - Google Patents

A kind of strongly magnetic mineral classification fluidization low intensity magnetic separation device Download PDF

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Publication number
CN106111318A
CN106111318A CN201610518083.2A CN201610518083A CN106111318A CN 106111318 A CN106111318 A CN 106111318A CN 201610518083 A CN201610518083 A CN 201610518083A CN 106111318 A CN106111318 A CN 106111318A
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China
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magnetic
fluidization
cavity
low intensity
strongly
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CN106111318B (en
Inventor
史长亮
都伟冰
赵继芬
马娇
邓小伟
路阳
王胜楠
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Henan University of Technology
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Henan University of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00Details of magnetic or electrostatic separation
    • B03C2201/22Details of magnetic or electrostatic separation characterised by the magnetical field, special shape or generation

Abstract

The open a kind of strongly magnetic mineral classification fluidization low intensity magnetic separation device of the present invention.This device includes supporting base, along supporting the fluidization sorting cavity that base is longitudinal, set gradually from front to back, it is fixedly mounted on the screw thread column supported at base corner, is threaded connection part and is fixedly mounted on the magnetic system gripper shoe on screw thread column top, be arranged on the rectangle opening magnetic system system of magnetic system gripper shoe bottom surface;Described rectangle opening magnetic system systemIt is positioned at fluidization sorting cavitySurface, rectangle opening magnetic system systemIt is positioned at fluidization sorting cavitySurface;Cavity is sorted in fluidizationButt end be provided with sieve, fluidization sort cavityFront end is connected with aerator by airduct.The present invention is a kind of for coarse fraction and the classification of micro-size fraction and the fluidization concentration equipment sorted on the same stage, can reduce the triviality processing fine iron mine technique, and strengthen magnetic separation specific aim, can realize high-grade and high-recovery magnetic concentrate.

Description

A kind of strongly magnetic mineral classification fluidization low intensity magnetic separation device
Technical field
The present invention relates to a kind of for thick in strongly magnetic mineral, the classification on the same stage of subparticle composition, the magnetic of fluidization sorting Screening device, the different magnetic architecture correspondence size fractionated material of design sorts, dependent of dead military hero suction type in mining machinery, weak magnetic Choose to install standby category.It has certain application value in micro-size fraction Iron ore industry sorting field.
Background technology
At present, the strongly magnetic mineral such as iron mine is in ore dressing process, for improving the grade of concentrate ferrum, typically uses ore grinding-dry Method magnetic separation process flow process, in this flow process, iron-bearing mineral component degree of dissociation is improved, and is of value to the lifting of efficiency of magnetic separation in theory. But occur in that bigger problem: grinding process inevitably there will be overground phenomenon and form micro-size fraction Magnetic Materials simultaneously Material, because of the meticulous probability reduction (probability being carried over concentrate reduces) forming magnetic linkage with coarse granule magnetic component of granularity, and is subject to Increase to other non magnetic ore component drag force effects, add the backwardness of sorting mode and sorting process, cause this part magnetic Material is effectively sorted and is lost in mine tailing, and material is wasted significantly.
At present, it is contemplated that the reluctant state of the art of microfine iron mine, Most scholars devises relatively advanced, applicable Property stronger classification-magnetic separation process technique.Patent " CN201510237394.7 " carries out dry type magnetic separation for 3mm particulate iron mine, Magnetic separation rough concentrate delivers to wind-force powder concentrator classification, the further dry type magnetic separation of micro-size fraction iron mine after classification.Patent " CN201510121314.1 " is disclosed improves specularite concentrate quality method, first carries out coarse fraction wet classification, overflow particulate Product obtains selected and mine tailing by low intensity magnetic separation, and mine tailing obtains final concentrate product by gravity treatment, high intensity magnetic separation;Patent " CN201010532677.1 " is disclosed for quartz sand processing method, through Separation by vibration, washing separation, vibration separation final election Three classifications, obtain thick fine particle stage material and process respectively, it is to avoid mistake is pulverized, product granularity is uniform.Above-mentioned patent is simply paid close attention to The importance of micro-size fraction material special disposal, but the sorting equipment (especially dry-type magnetic extractor) used, be mostly conventional Type, the microfine iron mine efficiency of separation is the highest.
Consider further conventional magnetic separator process the easily bonding of micro-size fraction Iron Ore Powder, sorting not thoroughly, concentrate loss asks Topic, designs fluidization sorting unit.Patent " CN201310124774.0 " is disclosed is a kind of annular magnetic separation space, magnetic architecture Including provide background magnetic field intensity to pole formula Guan Bi magnetic pole and filling medium, magnetic concentrate rely on stick to dielectric surface and Periodically taken out of magnetic separation space to be collected, easily blocked.Patent " CN201420279812.X ", for micro fine particle magnetite Design fluidization dry type magnetic agglomeration gravity separation equipment, relies on magnetic component to form magnetic coagulation at magnetic field space, by wind-force, gravity and magnetic Power acts on jointly, moves to Magnetic Materials material receiving port obliquely and discharges, but micro-size fraction magnetic component material is from windage Under magnetic coagulation phenomenon more weak, therefore separating effect can be affected.
Summary of the invention
The purpose of the present invention provides a kind of ferromagnetism ore deposit just for the weak point in the presence of above-mentioned prior art Thing classification fluidization low intensity magnetic separation device.This device is a kind of for coarse fraction and the classification of micro-size fraction and the stream sorted on the same stage State concentration equipment, can reduce the triviality processing fine iron mine technique, and strengthen magnetic separation specific aim, can realize high-grade and height Response rate magnetic concentrate.Furtherly, this device can realize the sorting of iron mine fluidized classifying on the same stage, particularly with micro-size fraction ferrum Ore deposit specific aim provides the magnetic architecture design that can realize magnetic upset, and the final starting point is that the high-quality of microfine iron mine reclaims.
The purpose of the present invention can be realized by following technique measures:
The strongly magnetic mineral classification fluidization low intensity magnetic separation device of the present invention includes supporting base, along support base longitudinally, by front extremely After set gradually fluidization sorting cavity, it is fixedly mounted on the screw thread column supported at base corner, by screw thread even Fitting is fixedly mounted on the magnetic system gripper shoe on screw thread column top, is arranged on the rectangle opening magnetic system system of magnetic system gripper shoe bottom surface;Described rectangle opening magnetic system systemIt is positioned at fluidization sorting cavitySurface, rectangle opening magnetic system systemIt is positioned at stream Stateization sorting cavitySurface;Cavity is sorted in fluidizationButt end be provided with sieve, fluidization sort cavity Front end is connected with aerator by airduct.
Fluidization of the present invention sorting cavityIt is fixedly mounted on support base by cavity bracing frame respectively;Institute State rectangle opening magnetic system systemIt is arranged on magnetic system gripper shoe bottom surface by distance regulating part up and down;The open magnetic of described rectangle It it is systemIt is made up of the rectangle magnet steel of three pieces of axial chargings, heteropole next-door neighbour's configuration;Described rectangle opening magnetic system systemIncluding six The rectangle magnet steel of block same specification next-door neighbour's configuration is constituted, and the mode of magnetizing is followed successively by: magnetizes axially upwards, radially magnetize to the right, axially Magnetize downwards, radially magnetize to the right, magnetize axially upwards, radially magnetize to the right.
The material of heretofore described magnetic system gripper shoe is engineering pure iron;Described rectangle opening magnetic system systemMaterial It is neodymium iron boron;Cavity is sorted in described fluidizationBottom be provided with coarse granule collecting bin, described fluidization sort cavityBottom be provided with microfine collecting bin, described coarse granule collecting bin, microfine collecting bin are drawer-type structure;Described The aperture of sieve sieve aperture is 0.07mm~0.3mm, and can exchange as the case may be.
The grading principle of the present invention is as follows: adjust rectangle opening magnetic system system(magnetic line of force is distributed to be positioned at correct position Cover sorting chamber), the normal air blast of aerator.By thickness mixed material by feeder to Gas inlet tube, material is in wind-force effect Lower sort cavity along airduct to fluidizationSorting, now the strongly magnetic mineral component in material is because of rectangle opening magnetic system body SystemEffect be attracted to fluidization sorting cavityTop, and it mostly is coarse granule;Subparticle in material will be by sieve thoroughly Enter fluidization sorting cavitySorting, the magnetic component in subparticle group is in rectangle opening magnetic system systemEffect Under be adsorbed to fluidization sorting cavityTop.
After magnetic and non magnetic ore are clearly separated, stop air blast, be suspended in fluidization sorting cavity/Thick, micro- Non-magnetic components in fine grained group drops under self gravitation effect, falls into coarse granule/subparticle collecting bin, takes out thick Grain, subparticle collecting bin are carried out slightly respectively, the collection of subparticle non-magnetic material;Again coarse granule/subparticle is received Ji Cang places in situ, is adjusted up magnetic system gripper shoe so that rectangle opening magnetic system system/Away from closed cavity, now magnetic field Intensity reduces suddenly, adsorbs and sorts cavity in fluidization/The coarse granule on top, subparticle magnetic component rely on from heavy sensation of the body Power drops, and collects process identical with non-magnetic material Fraction collection.The most once sort and all terminate.
The beneficial outcomes of the present invention is as follows:
(1) for strongly magnetic mineral, can once realize the sorting respectively of coarse granule in material, subparticle, solve subparticle The problem not being sorted and lose;
(2) full-dry method fluidization sorting is obvious for the raising effect of subparticle magnetic concentrate grade;
(3) for being mingled with phenomenon during coarse granule, subparticle magnetic separation, design rectangle magnetic system targetedly;Especially square Shape opening magnetic system systemThe mode of magnetizing relying on each magnet steel is arranged so that adsorbed fine magnetic-particle component has transports to the right Dynamic trend, reduces non magnetic being mingled with further.
Accompanying drawing explanation
Fig. 1 is the front view (structural representation) of the present invention.
Fig. 2 is the side view (structural representation) of Fig. 1.
Fig. 3 is the rectangle opening magnetic system system in the present inventionThe mode that magnetizes structural representation.
Fig. 4 is the rectangle opening magnetic system system in the present inventionThe mode that magnetizes structural representation.
Sequence number in figure: 1, aerator;2, airduct;3, coarse granule collecting bin;4, fluidization sorting cavity;5, thoroughly sieve;6, stream Stateization sorting cavity;7, microfine collecting bin;8, rectangle opening magnetic system system;9, rectangle opening magnetic system system;10, give Material mechanism;11, base is supported;12, cavity bracing frame;13, magnetic system gripper shoe;14, threaded connector (locking nut);15, spiral shell Stricture of vagina column.
Detailed description of the invention
The present invention is further described below with reference to embodiment:
As shown in Figure 1 and Figure 2, the strongly magnetic mineral classification fluidization low intensity magnetic separation device of the present invention includes supporting base 11, along supporting The fluidization sorting cavity that base is longitudinal, set gradually from front to back 4、6, it is fixedly mounted at support base 11 4 jiaos Screw thread column, be threaded connection part and be fixedly mounted on the magnetic system gripper shoe 13 on screw thread column top, be arranged on magnetic system support The rectangle opening magnetic system system of plate 13 bottom surface8、9;Described rectangle opening magnetic system system8 are positioned at fluidization sorting cavity6 Surface, rectangle opening magnetic system system9 are positioned at fluidization sorting cavityDirectly over 4;Cavity is sorted in fluidization4、6 Butt end is provided with sieve 5, sorts cavity in fluidization4 front ends are connected with aerator 1 by airduct 2.
Fluidization of the present invention sorting cavity4、6 are fixedly mounted on support base by cavity bracing frame 12 respectively On 11;Described rectangle opening magnetic system system8、9 are arranged on magnetic system gripper shoe 13 bottom surface by distance regulating part up and down;Institute State rectangle opening magnetic system system9 are constituted (seeing Fig. 4) by the rectangle magnet steel of three pieces of axial chargings, heteropole next-door neighbour's configuration;Described Rectangle opening magnetic system system8 include that the rectangle magnet steel of six pieces of same specifications next-door neighbour's configuration is constituted, and the mode of magnetizing is followed successively by: axially to On magnetize, radially magnetize to the right, axially downwardly magnetize, radially magnetize to the right, magnetize axially upwards, radially magnetizing to the right (sees Fig. 3).
The material of heretofore described magnetic system gripper shoe 13 is engineering pure iron;Described rectangle opening magnetic system system8、9 Material is neodymium iron boron;Cavity is sorted in described fluidizationThe bottom of 4 is provided with coarse granule collecting bin 3, in described fluidization Sorting cavityThe bottom of 6 is provided with microfine collecting bin 7, and described coarse granule collecting bin 3, microfine collecting bin 7 are drawer Formula structure;The feeding granularity that aperture is 0.07mm~0.3mm(material of described sieve 5 sieve aperture is set to≤1.5mm, in equipment Screen size is the most typically chosen for 0.3mm, 0.15mm, 0.07mm, and maximum specification is less than 0.3mm.), and root Can exchange according to concrete condition.
The assorting room of apparatus of the present invention is as follows:
Giving Gas inlet tube 2 by thickness mixed material by feeder 10, material sorts cavity along airduct 2 to fluidization4 are carried out point Choosing, the strongly magnetic mineral component in coarse granule is because of rectangle opening magnetic system systemThe effect of 9 is attracted to fluidization sorting cavity 4 tops.Subparticle will be by sieve 5 entrance fluidization sorting cavity thoroughly6 sort, the magnetic component in subparticle group In rectangle opening magnetic system systemFluidization sorting cavity it is adsorbed under the effect of 86 tops.Stop air blast, be suspended in fluidised form Change sorting cavity4、Non-magnetic components in thick, the subparticle group of 6 drops under self gravitation effect, falls into coarse granule Collecting bin 3, microfine collecting bin 7, take out the collection carrying out non-magnetic components respectively, again by coarse granule collecting bin 3, microfine Collecting bin 7 is placed in situ.
It is adjusted up magnetic system gripper shoe 13 so that rectangle opening magnetic system system by locking nut 149、8 away from fluidised form Change sorting cavity4, fluidization sorting cavity6, now in sorting chamber body, magnetic field intensity reduces suddenly, adsorbs in fluidised form respectively Change sorting cavity4、The coarse granule on 6 tops, subparticle magnetic component rely on self gravitation to drop, and collect the same non-magnetic of process Property material component collect identical.The most once sort and all terminate.

Claims (7)

1. a strongly magnetic mineral classification fluidization low intensity magnetic separation device, it is characterised in that: it includes supporting base (11), along supporting The fluidization sorting cavity that base is longitudinal, set gradually from front to back(4,6), are fixedly mounted on support base (11) corner The screw thread column at place, is threaded connection part and is fixedly mounted on magnetic system gripper shoe (13) on screw thread column top, be arranged on magnetic system The rectangle opening magnetic system system of gripper shoe (13) bottom surface(8,9);Described rectangle opening magnetic system system(8) it is positioned at fluidization Sorting cavity(6) directly over, rectangle opening magnetic system system(9) fluidization sorting cavity it is positioned at(4) directly over;In fluidised form Change sorting cavityThe butt end of (4,6) is provided with sieve (5), sorts cavity in fluidization(4) front end by airduct (2) with Aerator (1) connects.
Strongly magnetic mineral classification fluidization low intensity magnetic separation device the most according to claim 1, it is characterised in that: described fluidization Sorting cavity(4,6) are fixedly mounted in support base (11) by cavity bracing frame (12) respectively.
Strongly magnetic mineral classification fluidization low intensity magnetic separation device the most according to claim 1, it is characterised in that: described rectangle is opened Put magnetic system system(8,9) are arranged on magnetic system gripper shoe (13) bottom surface by distance regulating part up and down.
Strongly magnetic mineral classification fluidization low intensity magnetic separation device the most according to claim 1, it is characterised in that: described rectangle is opened Put magnetic system system(9) it is made up of the rectangle magnet steel of three pieces of axial chargings, heteropole next-door neighbour's configuration;Described rectangle opening magnetic system system(8) including that the rectangle magnet steel of six pieces of same specification next-door neighbour's configurations is constituted, the mode of magnetizing is followed successively by: magnetize axially upwards, the most to the right Magnetize, axially downwardly magnetize, radially magnetize to the right, magnetize axially upwards, radially magnetize to the right.
Strongly magnetic mineral classification fluidization low intensity magnetic separation device the most according to claim 1, it is characterised in that: described magnetic system props up The material of fagging (13) is engineering pure iron;Described rectangle opening magnetic system systemThe material of (8,9) is neodymium iron boron.
Strongly magnetic mineral classification fluidization low intensity magnetic separation device the most according to claim 1, it is characterised in that: in described fluidised form Change sorting cavity(4) bottom is provided with coarse granule collecting bin (3), sorts cavity in described fluidization(6) bottom is arranged Microfine collecting bin (7), described coarse granule collecting bin (3), microfine collecting bin (7) is had to be drawer-type structure.
Strongly magnetic mineral classification fluidization low intensity magnetic separation device the most according to claim 1, it is characterised in that: described sieve (5) aperture of sieve aperture is 0.07mm~0.3mm.
CN201610518083.2A 2016-07-05 2016-07-05 A kind of strongly magnetic mineral is classified fluidization weak magnetic screening device Active CN106111318B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109530084A (en) * 2018-12-03 2019-03-29 河北地质大学 A kind of classification of coal sorts integrated multistage dry method permanent magnetic separator with ladder

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JP5172026B1 (en) * 2012-02-23 2013-03-27 株式会社山▲崎▼砂利商店 Treatment system for aqueous mud containing iron particles and heavy metals
CN104815739A (en) * 2015-05-11 2015-08-05 成都建筑材料工业设计研究院有限公司 Magnetite dry grinding and dry separation method and device
CN105536984A (en) * 2016-01-26 2016-05-04 辽宁科技大学 Magnetic separation method with both preselection tailing throwing and thick-fine separation and three-product magnetic separator

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CN102029224A (en) * 2009-09-25 2011-04-27 广西远健选矿工程技术研究院 Magnetic system structure for cylindrical permanent magnetic separator
CN101972700A (en) * 2010-08-31 2011-02-16 铁岭市陆平粮油仓储设备厂 Dry type magnetic separator of vibrational fluidized bed
CN201898010U (en) * 2010-11-29 2011-07-13 广西远健选矿工程技术研究院 Magnetic system of high-intensity permanent magnetic separator for extra coarse grains
US20120145637A1 (en) * 2010-12-14 2012-06-14 King Abdulaziz City For Science And Technology Magnetic extractants, method of making and using the same
JP5172026B1 (en) * 2012-02-23 2013-03-27 株式会社山▲崎▼砂利商店 Treatment system for aqueous mud containing iron particles and heavy metals
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN109530084A (en) * 2018-12-03 2019-03-29 河北地质大学 A kind of classification of coal sorts integrated multistage dry method permanent magnetic separator with ladder
CN109530084B (en) * 2018-12-03 2020-02-11 河北地质大学 Grading and stepped separation integrated multistage dry method permanent magnetic separator for coal

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