CN107185709A - Magnet apparatus, magnetic separator and application - Google Patents
Magnet apparatus, magnetic separator and application Download PDFInfo
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- CN107185709A CN107185709A CN201710559687.6A CN201710559687A CN107185709A CN 107185709 A CN107185709 A CN 107185709A CN 201710559687 A CN201710559687 A CN 201710559687A CN 107185709 A CN107185709 A CN 107185709A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
- B03C1/12—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with magnets moving during operation; with movable pole pieces
Abstract
A kind of magnet apparatus, including：Magnetic layer；Adsorb the magnet layer that multiple first magnet portions and multiple second magnet portions on the surface of magnetic layer are constituted, first magnet portion includes the first main magnet unit, first secondary magnet unit, first the first main magnetic patch of main magnet unit is formed along the second direction perpendicular to first direction according to the arrangement of adjacent pole opposite polarity, first secondary magnet unit is formed according to the arrangement of adjacent pole opposite polarity in a second direction by the first secondary magnetic patch, second magnet portion includes the second main magnet unit, second secondary magnet unit, the direction of magnetization of first main magnetic patch and the second main magnetic patch is parallel, first secondary magnetic patch, the direction of magnetization and the first main magnetic patch of second secondary magnetic patch, the direction of magnetization of second main magnetic patch is perpendicular, according to putting in order in a second direction, the the first main magnetic patch and the second main magnetic patch of same sequence number, the pole polarity of first secondary magnetic patch and the second secondary magnetic patch is opposite.
Description
Technical field
The present invention relates to ore dressing, particularly magnetic dressing field, and in particular to the device of magnetic dressing.
Background technology
Existing use permanent magnet technology sorting weak magnetic minerals typically require the magnetic field intensity H of magnetic pole strength0=480~
1600kA/m or magnetic field gradient HgradH=(128~576) × 109A2/m3.Because the limitation of existing magnetic material technology of preparing causes
Permanent-magnet material magnetic energy product is limited, it is difficult to reach magnetic field intensity or the magnetic field force requirement of sorting weak magnetic minerals, thus, in actual life
The overwhelming majority is using the complicated electromagnetic separator of high energy consumption, easy generation magnetic blocking, construction in production.
Occur the permanent magnetic separator for sorting weak magnetic minerals that a small number of enterprise developments go out on the market, though such magnetic separator
So using extruding magnetic Circuit Design, local magnetic field strength and magnetic field force are high, can reach above-mentioned magnetic field intensity and magnetic field force index, but this
Its ore dressing acting surface of class magnetic separator is limited only on magnetizing mediums, and the magnetic force size that ore particle to be selected is subject in assorting room is very not
So that mineral processing index (grade and the rate of recovery) is deteriorated, and while the magnetic force size heterogeneity being subject to due to ore particle, so leakage choosing
Also than more serious.
The content of the invention
There is provided one for the problem of present invention is exactly magnetic field force and the uneven magnetic field intensity to solve existing permanent magnetic separator
Plant high magnetic field intensity, highfield power and magnetic force magnet apparatus and magnetic separator in a balanced way.
A kind of magnet apparatus, it is characterised in that including：Magnetic layer；And magnet layer, it is arranged on magnetic layer, wherein, magnetic
By multiple first magnet portions and multiple second magnet portions, staggeredly absorption is constituted body layer in magnetic conduction layer surface in the first direction, and first
Magnet portion includes a the first main magnet units and b first secondary magnet unit, and the first main magnet unit is by c the first main magnetic patch
Formed along the second direction perpendicular with first direction according to the arrangement of adjacent pole opposite polarity, the first secondary magnet unit is by d
First secondary magnetic patch is formed according to the arrangement of adjacent pole opposite polarity in a second direction, the magnetic direction of the first secondary magnetic patch and the first master
The magnetic direction of magnetic patch is perpendicular, and the second magnet portion includes a the second main magnet units and b second secondary magnet unit, second
Main magnet unit is formed according to the arrangement of adjacent pole opposite polarity in a second direction by c the second main magnetic patch, the second secondary magnet list
Member is formed according to the arrangement of adjacent pole opposite polarity in a second direction by d second secondary magnetic patch, the magnetic direction of the second secondary magnetic patch
Magnetic direction with the second main magnetic patch is perpendicular, according to putting in order in a second direction, the first main magnetic patch of same sequence number
With the pole polarity of the second main magnetic patch on the contrary, according to putting in order in a second direction, the first secondary magnetic patch of same sequence number and
The pole polarity of second secondary magnetic patch is on the contrary, a, b, c, d are positive integer, and a >=b >=1, c >=d >=1.
The magnet apparatus that the present invention is provided, can also have the feature that, it is characterised in that：Wherein, c：D=i, i are
Odd number more than or equal to 3, a is the integer more than or equal to 2, and b is that 1, a the first main magnet units are continuously set in the first direction
Put, the pole polarity of the first adjacent main magnetic patch is identical in a first direction, a the second main magnet units are continuous in the first direction
Set, the pole polarity of the second adjacent main magnetic patch is identical in a first direction.
The magnet apparatus that the present invention is provided, can also have the feature that, it is characterised in that：Wherein, the first main magnetic patch
And second the magnetic direction of main magnetic patch be the direction perpendicular with the upper surface of magnetic layer, the first secondary magnetic patch and the second secondary magnetic patch
Magnetic direction is the direction parallel with first direction.
The magnet apparatus that the present invention is provided, can also have the feature that, it is characterised in that：Wherein, each first is secondary
Magnetic patch is corresponding with i the first main magnetic patch in a first direction, pole polarity of the first secondary magnetic patch towards i the first main magnetic patch
It is identical with the polarity of the magnetic pole of the upper surface of the first main magnetic patch in the centre position of the i the first main magnetic patch, each second secondary magnetic
Block is corresponding with i the second main magnetic patch in a first direction, the second secondary magnetic patch towards i the second main magnetic patch pole polarity with
The polarity of the magnetic pole of the upper surface of the second main magnetic patch in the centre position of the i the second main magnetic patch is identical.
The magnet apparatus that the present invention is provided, can also have the feature that, it is characterised in that：Wherein, first master
Magnetic patch and the second main block shape size are identical, are length 10-18mm, width 4-18mm, height 3-18mm's is rectangular
Body, the described first secondary magnetic patch and the second secondary block shape size are identical, are length 10-54mm, width 2-18mm, height
3-18mm cuboid.
The magnet apparatus that the present invention is provided, can also have the feature that, it is characterised in that：Wherein, magnetic layer is electricity
Plate or cylinder that the ferrocobalt or carbon structural steels material of work pure iron or high magnetic conduction are made, the first main magnetic patch, the second main magnetic patch,
First secondary magnetic patch and the second secondary magnetic patch are ferrite permanent-magnet block or rare earth permanent magnet block.
The magnet apparatus that the present invention is provided, can also have the feature that, it is characterised in that also include：Protective layer, bag
Overlay on and protected on magnet layer.
The present invention also provides a kind of drum magnetic separator, it is characterised in that have：Above-mentioned magnet apparatus, wherein, magnetic layer
The cylinder being made for circular permeability magnetic material, first direction is the circumference of the cylinder, and second direction is the axial direction of the cylinder.
The present invention also provides a kind of board-like magnetic separator, it is characterised in that including：Above-mentioned magnet apparatus, wherein, magnetic layer
For the magnetic conductive board of rectangle, first direction is the longitudinal direction of the magnetic conductive board, and second direction is the transverse direction of the magnetic conductive board.
The present invention also provides application of the above-mentioned magnet apparatus in magnetic separating mineral or removal of impurities, it is characterised in that：Institute
Mineral are stated for ilmenite, chromite, manganese ore, speculum iron, limonite, the removal of impurities is from albite, potassium feldspar, quartz sand, viscous
Iron or other strongly magnetic minerals or metal are removed in soil.
Invention effect and effect
According to magnet apparatus provided by the present invention, because the device includes staggered first magnet portion and the second magnetic
Body portion, and each magnet portion includes main magnet unit and secondary magnet unit, main magnet unit is pressed in a second direction by main magnetic patch
The adjacent pole polarity opposed alignment of photograph is formed, and secondary magnet unit is arranged according to adjacent pole opposite polarity in a second direction by secondary magnetic patch
Row are formed, and main magnetic patch magnetic direction perpendicular to the magnetic direction of secondary magnetic patch, the main magnetic patch and second in the first magnet portion
In magnet portion the main magnetic patch of corresponding position pole polarity on the contrary, main magnetic patch in the first magnet portion with it is right in the second magnet portion
The pole polarity of the secondary magnetic patch at position is answered on the contrary, the full magnetic surface that the first magnet portion and the second magnet portion are constituted has adjacent magnetic
The magnetic pole of block is NS, NN, SS compound magnetic system, forms full magnetic surface permanent magnetism bluk recombination magnetic system.
Due to the magnetic pole between the full magnetic surface be N towards S, S is towards N, and N is towards N, and S attracts each other with most towards S
Small pole pitch close-packed arrays are set, and distance is small between magnetic pole, just has bigger absorption to same (middle magnetic, weak magnetic) mineral
Power, can preferably overcome leakage to select.
Because above-mentioned main magnetic patch, secondary magnetic patch can form closely compound magnetic system, so the magnetic field point of effect magnetic surface entirely
Cloth is balanced, and mineral processing index is good, production capacity is high.
Particularly, the magnet apparatus that the present invention is provided, because main magnet unit is different with the magnetic direction of secondary magnet unit,
Material is when by main magnetic patch and secondary magnetic patch, and magnetic field intensity and gradient are undergone mutation：By with larger magnetic field force change
For less magnetic field force, and magnetic direction is also undergone mutation, and mutation process can carry out magnetic separation again to material, during
The impurity being mingled with the target material with weak magnetic can make it that because magnetic field diminishes suddenly, direction changes and produced repeatedly
Rolling, accelerates from full magnetic action emaciated face from and then playing a part of secondary magnetic separation, further upgrade.
Brief description of the drawings
Fig. 1 for the present invention drum magnetic separator in magnet apparatus side view；
Fig. 2 for the present invention drum magnetic separator in magnet apparatus front view；
Fig. 3 for the present invention board-like magnetic separator in magnet apparatus side view；And
Fig. 4 for the present invention board-like magnetic separator in magnet apparatus front view.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the concrete structure of the present invention is further described.
Embodiment one
Fig. 1 for the present invention drum magnetic separator in magnet apparatus side view.
Fig. 2 for the present invention drum magnetic separator in magnet apparatus front view.
The present embodiment is by taking drum magnetic separator as an example, as shown in Figure 1, 2, and the drum magnetic separator includes columnar magnet apparatus
100 and support cylinder shape magnet apparatus 100 support rotating shaft and corresponding drive device (not shown).Ore pulp is from magnetic
Flowed through on body device 100, the outer surface of the magnet apparatus 10 driven in drive device, which is contacted, to be rolled, and completes the isolated essence of magnetic separation
Ore deposit.
As shown in figure 1, magnet apparatus 100 includes cartridge type magnetic layer 10, multiple first magnet portions 20 and multiple second magnets
Magnet layer and protective layer 40 that portion 30 is constituted.
Cartridge type magnetic layer 10, is circular cylinder, a diameter of 800-1500mm, length is 500-4000mm, and it is electrician
The cylinder that the plate of the ferrocobalt or carbon structural steels material of pure iron or high magnetic conduction is turned around, sheet metal thickness is 10-20mm.This reality
Apply in example, the cylinder that cartridge type magnetic layer 10 turns around for the plate of carbon structural steels material thick 10mm.
Multiple first magnet portions 20 and multiple second magnet portions 30 adsorbed on the surface of cartridge type magnetic layer 10 constitute magnetic
Body layer.As shown in Fig. 2 the first direction of the first magnet portion 20 and the second magnet portion 30 along cartridge type magnetic layer 10 is the circumference of cylinder
The full magnetic surface of the composition that is staggered.
As shown in Fig. 2 the first magnet portion 20 includes 2 the first main magnet units 21 and 1 first secondary magnet unit 22.The
One main magnet unit 21 is axially formed according to the arrangement of adjacent pole opposite polarity in a second direction by c the first main magnetic patch 211.
2 the first main magnet units 21 are i.e. circumferentially continuous settings in the first direction, and adjacent the first main magnetic patch 211 magnetic pole each other
Polarity is identical.
First main magnetic patch 211 is ferrite permanent magnet or rare-earth permanent magnet, preferably ndfeb magnet.First main magnetic patch 211
Shape can be for the multi-edge column-shaped such as cube shaped, cuboid or triangular prism, pentagonal prism etc., the magnetic field of the first main magnetic patch 211
Direction is the radial direction perpendicular to cartridge type magnetic conductor 10.In the present embodiment, the first all main magnetic patch 211 is the neodymium of cuboid
Iron boron magnets block, its size range is length 10-18mm, width 4-18mm, height 3-18mm, is magnetic along the direction of height
Field direction.
First secondary magnet unit 22 is by d first secondary magnetic patch 221 in a second direction i.e. axially according to adjacent pole polarity phase
Reciprocal permutation is formed.The first secondary magnetic direction of magnetic patch 221 and the first main magnetic direction of magnetic patch 211 is perpendicular, in the present embodiment, and first
The magnetic direction of secondary magnetic patch 221 is that first direction is circumference, and the adjacent first secondary magnetic patch is NS along 221, and SN is mutually adsorbed one
Rise.
First secondary magnetic patch 221 is ferrite permanent magnet or rare-earth permanent magnet, preferably ndfeb magnet.First secondary magnetic patch 221
Size and the first main magnetic patch 211 it is different, its shape can be many ribs such as cube shaped, cuboid or triangular prism, pentagonal prism
Cylindricality etc..In the present embodiment, all first secondary magnetic patch 221 are the neodymium-iron-boron iron block of cuboid, and its size range is length
Length 10-54mm, width 2-18mm, height 3-18mm are spent, is magnetic direction along the direction of width, highly with the first main magnetic patch
211 height is equal.
As shown in Fig. 2 the first adjacent main magnet unit 21 of observation and the first secondary magnet unit 22, each first secondary magnetic patch
221 is corresponding with 3 the first main magnetic patch 211 on axially (length direction of the i.e. first secondary magnetic patch), the first secondary court of magnetic patch 221
To the of pole polarity and the centre position (the 2nd piece i.e. in figure) of this 3 the first main magnetic patch of this 3 the first main magnetic patch 211
The polarity of the magnetic pole of the upper surface of one main magnetic patch 211 is identical.It is exactly 3 first masters in the first main magnet unit 21 in figure
The upper surface magnetic pole of magnetic patch 211 is respectively NSN, SNS, NSN, then corresponding towards the first main magnet unit 21
The magnetic pole of first secondary magnetic patch magnetic 221 is S, N, S the like.
Second magnet portion 30 includes 2 the second main magnet units 31 and 1 second secondary magnet unit 32.It is constituted and first
Magnet portion 20 is identical, the difference is that the pole polarity arrangement of magnetic patch is different.
Second main magnet unit 31 is by c the second main magnetic patch 311 in a second direction i.e. axially according to adjacent pole polarity phase
Reciprocal permutation is formed.Second secondary magnet unit 32 is by d second secondary magnetic patch 321 in a second direction i.e. axially according to adjacent pole polarity
Opposed alignment is formed.
The magnetic direction of the first main magnetic patch 311 of main magnetic patch 211 and second is parallel, is on axial direction according in second direction
Put in order, the pole polarity of the first main magnetic patch 311 of main magnetic patch 211 and second of same sequence number is opposite.
The magnetic direction and the first main magnetic patch 211 of the first secondary secondary magnetic patch 321 of magnetic patch 221, second, the second main magnetic patch 311
Magnetic direction is perpendicular, is the circumferential direction along cartridge type magnetic conductor 10, according to being putting in order on axial direction in second direction,
The pole polarity of the secondary magnetic patch 321 of the secondary magnetic patch 221 and second of the first of same sequence number is opposite.
In fig. 2, it is exactly the first main magnetic patch circumferentially-adjacent in two the first main magnet units 21 in the first magnet portion 20
211 upper surface pole polarity is NN, SS, NN, SS, and two the second main magnet units 31 in the second magnet portion 30
In the upper surface pole polarity of circumferentially-adjacent the second main magnetic patch 311 be SS, NN, SS, NN.
It is exactly the upper table of 3 the second main magnetic patch 311 in the second main magnet unit 31 for the second secondary magnetic patch 321
Face magnetic pole is respectively SNS, NSN, SNS, then corresponding the second secondary magnetic patch magnetic towards the second main magnet unit 31
321 magnetic pole is N, S, N.
In the present embodiment, the first main magnetic patch 211, second the 311, the first secondary secondary magnetic patch 321 of magnetic patch 221, second of main magnetic patch
Height is identical.
Protective layer 40, is coated on the first main magnetic patch 211, the second secondary magnetic patch of the main secondary magnetic patch 221, second of magnetic patch 311, first
On the magnet layer of 321 compositions, for being protected to magnet layer, material that can be good using magnetic permeability makes.The present embodiment is thickness
0.1-0.5mm is spent, the stainless steel or the thin plate or band of alloy material that magnetic permeability can be good turn around into cylinder, are directly sleeved on by multiple
First magnet portion 20 and multiple second magnet portions 30 are interlocked on the magnet layer constituted, are that full magnetic action bread is wrapped up in by whole magnet layer
Get up to be protected.
Following for application of the explanation magnet apparatus 100 in magnetic separating mineral, it is given below using the present embodiment
Drum magnetic separator carrys out the actual effect of magnetic separation ilmenite, chromite, manganese carbonate ore, speculum iron.
1st, ilmenite mine tailing is sorted：
Using the drum magnetic separator working surface diameter 1000mm of the magnet apparatus of the present embodiment, length 3500mm is corresponding
From the specific size of main magnetic patch and secondary magnetic patch, sorting Panzhihua Region is discharged into the ilmenite mine tailing of Tailings Dam, before non-magnetic separation
Containing TiO2For 7%, the grade index after magnetic separation：Ilmenite concentrate contains TiO2For 21% (for flotation charging), the rate of recovery is 55.8%.
Obviously by the size of the main magnetic patch of reasonable selection and secondary magnetic patch, the utilization rate of ilmenite mine tailing can be greatly improved,
By the concentrate that the low content mine tailing magnetic concentration abandoned is high level, be conducive to the secondary recovery of resource, it is to avoid resource
Huge waste.
2nd, chromite is sorted：
Using the drum magnetic separator working surface diameter 1000mm of the magnet apparatus of the present embodiment, length 4000mm is corresponding
From main magnetic patch and the specific size separation chromite of secondary magnetic patch, Cr is contained before non-magnetic separation2O3For 24%, the grade index after magnetic separation：
Chromite concentrate contains Cr2O3For 42%, the rate of recovery more than 80%.
Obviously by the size of the main magnetic patch of reasonable selection and secondary magnetic patch, grade and the recovery of chromite can be greatly improved
Rate, change chromite can only gravity treatment be unable to the traditional concept of magnetic separation.
3rd, manganese carbonate ore is sorted
Using the drum magnetic separator working surface diameter 800mm of the magnet apparatus of the present embodiment, length 2000mm, corresponding choosing
With the specific size of main magnetic patch and secondary magnetic patch, Changyang, hubei Province manganese carbonate ore is sorted, MnCO is contained before non-magnetic separation3For 8%, after magnetic separation
Grade index：Manganic concerntrate contains MnCO3For 15%, the rate of recovery 78%.
Obviously by the size of the main magnetic patch of reasonable selection and secondary magnetic patch, by the low-grade ore magnetic separation abandoned to available carbon
Sour manganic concerntrate, greatly improved the rate of recovery of manganese carbonate ore, it is to avoid the waste of resource.
4th, speculum iron is sorted
Using the drum magnetic separator working surface diameter 1200mm of the magnet apparatus of the present embodiment, length 4000mm is corresponding
From the specific size of main magnetic patch and secondary magnetic patch, Xinjiang speculum iron is sorted, it is 35%, the grade after magnetic separation that TFe is contained before non-magnetic separation
Index：Iron ore concentrate is 62%, the rate of recovery 75% containing Fe.
Obviously by the size of the main magnetic patch of reasonable selection and secondary magnetic patch, the rate of recovery of speculum iron greatly improved.
Experiment more than, it can be found that the drum magnetic separator of the magnet apparatus using the present invention, to chromite, carbonic acid
Manganese ore, speculum iron magnetic separation recovery rate all more than 75%, the ilmenite remaining fund poor to traditional permanent magnetic separator magnetic separation effect
Also ilmenite concentrate contains TiO2For 21%, the effect of the rate of recovery 55.8%.
As one kind deformation, the cornerite of the magnetic system of the drum magnetic separator in above-described embodiment is 360 °, can also be according to need
Other number of degrees in 60-360 ° are designed as, corresponding that some circumferential areas are empty and be not provided with the first magnet portion, second
Magnet portion.
As another deformation, the first magnet portion in drum magnetic separator, the second magnet portion in above-described embodiment be by
According to two the first main magnet units and one first secondary magnet unit, two the second main magnet units and one second secondary magnet list
Member carries out arranged, can also accordingly increase the first main magnet unit, the second master according to the property for treating magnetic separation mineral
Magnet unit number or the first secondary magnet unit, the number of the second secondary magnet unit are configured.
In above-described embodiment, main magnetic patch and secondary magnetic patch all rely solely on own magnetic force absorption on magnetic layer, as
One kind deformation, can be by setting buckle or helicitic texture on magnetic layer in order to further strengthen the fixation of magnetic patch, or uses
Main magnetic patch and secondary magnetic patch are strengthened being fixed on magnetic layer by magnetic steel special viscose glue.
Embodiment two
Fig. 3 for the present invention board-like magnetic separator in magnet apparatus side view.
Fig. 4 is the front view of the magnet apparatus in the board-like magnetic separator of the present invention, has removed protective layer.
A kind of drum magnetic separator is above mentioned embodiment provided, this variation provides a kind of board-like magnetic separator 100*, corresponding
The magnetic layer of magnet apparatus is the magnetic conductive board 10* of rectangle.Give identical with the identical structure of embodiment 1 in the present embodiment and compile
Number, first direction is the longitudinal direction of the magnetic conductive board, and second direction is the transverse direction of the magnetic conductive board.
This board-like magnetic separator can both carry out magnetic dressing, be also suitable for from albite, potassium feldspar, quartz sand, clay
Deng removing iron or other ferromagnetism impurity in non magnetic ore, such as ferromagnetic magnetic iron ore, franklinite mineral or ferroalloy, nickel are closed
The metal materials such as gold, cobalt alloy.
So, the magnet apparatus of the present embodiment both can be for carrying out magnetic separation, same principle, can also from albite,
Iron or other magnetic impurities are removed in the mineral such as potassium feldspar, quartz sand, clay, applied to industrial occasions such as ceramics, cement.
The effect of embodiment and beneficial effect
The magnet apparatus provided according to the present embodiment, because the device includes staggered first magnet portion and second
Magnet portion, and each magnet portion is comprising main magnet unit and secondary magnet unit, main magnet unit by main magnetic patch in a second direction
Formed according to the arrangement of adjacent pole opposite polarity, secondary magnet unit is by secondary magnetic patch in a second direction according to adjacent pole opposite polarity
Arrangement is formed, and main magnetic patch magnetic direction perpendicular to the magnetic direction of secondary magnetic patch, the main magnetic patch and in the first magnet portion
The pole polarity of the main magnetic patch of corresponding position is on the contrary, in main magnetic patch and the second magnet portion in the first magnet portion in two magnet portions
The pole polarity of the secondary magnetic patch of corresponding position on the contrary, the full magnetic surface that the first magnet portion and the second magnet portion are constituted have it is adjacent
The magnetic pole of magnetic patch is NS, NN, SS compound magnetic system, forms full magnetic surface permanent magnetism bluk recombination magnetic system.
Due to the magnetic pole between the full magnetic surface be N towards S, S is towards N, and N is towards N, and S attracts each other with most towards S
Small pole pitch close-packed arrays are set, and distance is small between magnetic pole, just has bigger absorption to same (middle magnetic, weak magnetic) mineral
Power, can preferably overcome leakage to select.
Because above-mentioned main magnetic patch, secondary magnetic patch can form closely compound magnetic system, so the magnetic field point of effect magnetic surface entirely
Cloth is balanced, and mineral processing index is good, production capacity is high.
Particularly, the magnet apparatus that the present embodiment is provided, due to main magnet unit and the magnetic direction of secondary magnet unit not
Together, material is when by main magnetic patch and secondary magnetic patch, and magnetic field intensity and gradient are undergone mutation：By with larger magnetic field force change
Less magnetic field force is turned to, and magnetic direction is also undergone mutation, and mutation process can carry out magnetic separation again, process to material
The middle impurity that can be mingled with the target material with weak magnetic is because magnetic field diminishes suddenly, and direction changes and produced many
Secondary rolling, accelerates from full magnetic action emaciated face from and then playing a part of secondary magnetic separation, further upgrade.
The magnet apparatus of the present embodiment has protective layer, can both prevent from damaging ndfeb magnet when ore dressing or removal of impurities,
Simultaneously again because using the good material of magnetic permeability energy, magnetic field can penetrate and act on mineral and carry out magnetic separation, not interfere with magnetic separation
Effect.
Claims (10)
1. a kind of magnet apparatus, it is characterised in that including：
Magnetic layer；And
Magnet layer, is arranged on the magnetic layer,
Wherein, the magnet layer by multiple first magnet portions and multiple second magnet portions, staggeredly described lead in the first direction by absorption
Constituted on magnetic layer surface,
First magnet portion includes a the first main magnet units and b first secondary magnet unit,
The first main magnet unit is by c the first main magnetic patch along the second direction perpendicular with the first direction according to adjacent
Pole polarity opposed alignment is formed,
Described first secondary magnet unit is by d first secondary magnetic patch along the second direction according to the arrangement of adjacent pole opposite polarity
Into,
The magnetic direction of described first secondary magnetic patch and the magnetic direction of the first main magnetic patch are perpendicular,
Second magnet portion includes a the second main magnet units and b second secondary magnet unit,
The second main magnet unit is by c the second main magnetic patch along the second direction according to the arrangement of adjacent pole opposite polarity
Into,
Described second secondary magnet unit is by d second secondary magnetic patch along the second direction according to the arrangement of adjacent pole opposite polarity
Into,
The magnetic direction of described second secondary magnetic patch and the magnetic direction of the second main magnetic patch are perpendicular,
According to putting in order in this second direction, the described first main magnetic patch of same sequence number and the second main magnetic patch
Pole polarity on the contrary,
According to putting in order in this second direction, the described first secondary magnetic patch of same sequence number and the second secondary magnetic patch
Pole polarity on the contrary,
A, b, c, d are positive integer, and a >=b >=1, c >=d >=1.
2. magnet apparatus according to claim 1, it is characterised in that：
Wherein, c：D=i, i are the odd number more than or equal to 3,
A is the integer more than or equal to 2, and b is 1,
A the first main magnet units are continuously set along the first direction, and in said first direction adjacent described the
The pole polarity of one main magnetic patch is identical,
A the second main magnet units are continuously set along the first direction, and in said first direction adjacent described the
The pole polarity of two main magnetic patch is identical.
3. magnet apparatus according to claim 2, it is characterised in that：
Wherein, the magnetic direction of the described first main magnetic patch and the second main magnetic patch is perpendicular with the upper surface of the magnetic layer
Direction,
The magnetic direction of described first secondary magnetic patch and the second secondary magnetic patch is the direction parallel with the first direction.
4. magnet apparatus according to claim 3, it is characterised in that：
Wherein, each described first secondary magnetic patch is corresponding with the i first main magnetic patch in said first direction, first pair
Pole polarity and the described first main magnetic in the centre position of the i first main magnetic patch of the magnetic patch towards the i the first main magnetic patch
The polarity of the magnetic pole of the upper surface of block is identical,
Each described second secondary magnetic patch is corresponding with the i second main magnetic patch in said first direction, the second secondary magnetic patch
Towards the pole polarity and the described second main magnetic patch in the centre position of the i the second main magnetic patch of the i the second main magnetic patch
The polarity of the magnetic pole of upper surface is identical.
5. magnet apparatus according to claim 1, it is characterised in that：
Wherein, the described first main magnetic patch and the second main block shape size are identical, are length 10-18mm, width 4-
18mm, height 3-18mm cuboid,
Described first secondary magnetic patch and the second secondary block shape size are identical, are length 10-54mm, width 2-18mm, height
Spend 3-18mm cuboid.
6. magnet apparatus according to claim 1, it is characterised in that：
Wherein, the magnetic layer is made for the ferrocobalt or carbon structural steels material of electrical pure iron or high magnetic conduction plate or circle
Cylinder,
The first main magnetic patch, the second main magnetic patch, the described first secondary magnetic patch and the second secondary magnetic patch are ferrite
Permanent magnets or rare earth permanent magnet block.
7. magnet apparatus according to claim 1, it is characterised in that also include：
Protective layer, is coated on the magnet layer.
8. a kind of drum magnetic separator, it is characterised in that including：
Magnet apparatus in claim 1-7 described in any one,
Wherein, the cylinder that the magnetic layer is made for circular permeability magnetic material, the first direction is the circumference of the cylinder, described
Second direction is the axial direction of the cylinder.
9. a kind of board-like magnetic separator, it is characterised in that including：
Magnet apparatus in claim 1-7 described in any one,
Wherein, the magnetic layer is the magnetic conductive board of rectangle, and the first direction is the longitudinal direction of the magnetic conductive board, and the second direction is
The transverse direction of the magnetic conductive board.
10. application of the magnet apparatus in magnetic separating mineral or removal of impurities in claim 1-7 described in any one, its feature
It is：
The mineral be ilmenite, chromite, manganese ore, speculum iron, limonite,
The removal of impurities is that iron or other strongly magnetic minerals or metal are removed from albite, potassium feldspar, quartz sand, clay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710559687.6A CN107185709B (en) | 2017-07-11 | 2017-07-11 | Magnet apparatus, magnetic separator and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710559687.6A CN107185709B (en) | 2017-07-11 | 2017-07-11 | Magnet apparatus, magnetic separator and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102096A (en) * | 2021-04-15 | 2021-07-13 | 孚能科技(赣州)股份有限公司 | Remove magnetic assembly, remove magnetic device and lithium ion battery production system |
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| CN85201043U (en) * | 1985-04-01 | 1986-02-05 | 长春地质学院 | Separator for separating magnetic material from others of alluvial gold by static magnetism |
| CN88210091U (en) * | 1988-01-27 | 1988-11-09 | 东北工学院 | Magnetic medium |
| CN1053601C (en) * | 1991-02-01 | 2000-06-21 | 包头新材料应用设计研究所 | Neodymium iron boron permanent magnet series for magnetic sorting machine |
| CN207056764U (en) * | 2017-07-11 | 2018-03-02 | 张弦 | Magnet apparatus and magnetic separator |
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| US4085039A (en) * | 1976-05-24 | 1978-04-18 | Allen James W | Magnetic separator with helical classifying path |
| US4166788A (en) * | 1976-12-08 | 1979-09-04 | Druz Efim L | Method of concentrating magnetic ore and magnetic centrifugal separator for effecting the method |
| CN85201043U (en) * | 1985-04-01 | 1986-02-05 | 长春地质学院 | Separator for separating magnetic material from others of alluvial gold by static magnetism |
| CN88210091U (en) * | 1988-01-27 | 1988-11-09 | 东北工学院 | Magnetic medium |
| CN1053601C (en) * | 1991-02-01 | 2000-06-21 | 包头新材料应用设计研究所 | Neodymium iron boron permanent magnet series for magnetic sorting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113102096A (en) * | 2021-04-15 | 2021-07-13 | 孚能科技(赣州)股份有限公司 | Remove magnetic assembly, remove magnetic device and lithium ion battery production system |
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| CN107185709B (en) | 2019-03-19 |
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