CN109046766A - The dry type electromagnetism separation method of magnetic-particle in granulate mixture - Google Patents
The dry type electromagnetism separation method of magnetic-particle in granulate mixture Download PDFInfo
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- CN109046766A CN109046766A CN201810902345.4A CN201810902345A CN109046766A CN 109046766 A CN109046766 A CN 109046766A CN 201810902345 A CN201810902345 A CN 201810902345A CN 109046766 A CN109046766 A CN 109046766A
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- magnetic
- electromagnetism
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- electromagnetism cylinder
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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
The invention belongs to the Magneto separate fields of solid material.To solve the problems, such as that existing magnetic separation technique is difficult to take into account separating effect and treating capacity, the present invention provides a kind of dry type electromagnetism separation methods of magnetic-particle in granulate mixture.Method includes the following steps: one, by particle to be separated mixture be packed into electromagnetism cylinder in, the both ends of the electromagnetism cylinder are closed with non-magnetic material lid；Two, electromagnetism cylinder described in unidirectional intermittent rotary, and electromagnetism cylinder is applied in the interval of rotation and is shaken；Three, the non-magnetic material lid for opening electromagnetism cylinder side, overturns the electromagnetism cylinder, enables in the electromagnetism cylinder and not toppled over by the particle of the electromagnetism cylinder electromagnetic attracting force, isolate non-magnetic particle.Dry type electromagnetism separation method of the invention has taken into account separating effect and treating capacity, and treating capacity achieves good separating effect up to hundred feather weight.
Description
Technical field
The invention belongs to the Magneto separate field of solid material, in particular to the dry type of magnetic-particle in a kind of granulate mixture
Electromagnetism separation method.
Background technique
The dry type Magneto separate of granulate mixture mainly includes inclined plate isolation technics, oblique rotating cylinder isolation technics, rubber roller type magnetic drum
The intermittent Magneto separate skill of the continuous magnetic separation technique and plate isolation technics etc. such as isolation technics, interdigitated electrode structure magnetic drum isolation technics
Art can be realized the separation to dry or low water content granulate mixture.Continuous magnetic separation technique has biggish treating capacity, fits
For the dry type crude separation of high-volume granulate mixture, but its separating effect is bad, after separation without in magnetic phase and phase containing magnetic
There are the entrainments of more serious impurity, and therefore, it is difficult to meet the application more demanding to separating effect.Plate isolation technics is
One thin paper is layered on magnetic plate, minute quantity granulate mixture is then spread out into straticulation on thin paper, one direction pulls thin
Paper, no magnetic accompany thin paper movement, mutually moved by magnetic field suction containing magnetic it is slower, it is continuous slowly to pull thin paper using the speed difference, directly
It is thoroughly separated to by two-phase, the technology separating effect is fine but complicated for operation, and treating capacity very little is generally only gram quantity grade.
Summary of the invention
To solve the problems, such as that existing magnetic separation technique is difficult to take into account separating effect and treating capacity, granulate mixture is preferably realized
The dry type of middle magnetic-particle separates, and the present invention provides a kind of dry type electromagnetism separation methods of magnetic-particle in granulate mixture.
Method includes the following steps:
Particle to be separated mixture is packed into electromagnetism cylinder by step 1, and the electromagnetism cylinder is with circle electromagnetically
Cylinder；The both ends of the electromagnetism cylinder are closed with non-magnetic material lid；
Step 2, electromagnetism cylinder described in unidirectional intermittent rotary, and electromagnetism cylinder is applied in the interval of rotation and is shaken, enable institute
The magnetic-particle stated in particle to be separated mixture is gradually disengaged with non-magnetic particle；
Step 3 opens the non-magnetic material lid of electromagnetism cylinder side, overturns the electromagnetism cylinder, enables the electromagnetism
Do not toppled over by the particle of the electromagnetism cylinder electromagnetic attracting force in cylinder, obtains non-magnetic particle；In the electromagnetism cylinder
The particle not being dumped out by the electromagnetism cylinder electromagnetic attracting force is magnetic-particle.
According to one embodiment, in the step 2, using the interval demagnetization method substitution interval in rotation to electricity
Magnetic cylinder applies vibration；The interval demagnetization method are as follows: in the interval of rotation, moment is eliminated and restores the electromagnetism of the electromagnetism cylinder
Property.
According to one embodiment, in said step 1, the inside of the electromagnetism cylinder is additionally provided with non-magnetic cylinder, is packed into
It is preferred that particle to be separated mixture in electromagnetism cylinder, which is respectively positioned on inside non-magnetic cylinder,.
It further,, will be non-after the step 3 when the inside of the electromagnetism cylinder is additionally provided with non-magnetic cylinder
The magnetic-particle in the electromagnetism cylinder is poured out by removing in the electromagnetism cylinder in magnetic cylinder.
According to one embodiment, in said step 1, the inner surface of the electromagnetism cylinder is equipped with coating, coating or overlay film
It is preferred.
According to one embodiment, in said step 1, if particle to be separated mixture is moist material, it is being packed into institute
It is dried before stating in electromagnetism cylinder, is allowed to wet weight percentage lower than 8%.
According to one embodiment, in said step 1, the particle to be separated mixture being packed into the electromagnetism cylinder
What volume accounted for the electromagnetism cylinder interior volume 10~25% is preferred.
According to one embodiment, in the step 2, the interval opportunity of the unidirectional intermittent rotary is preferably the electricity
Magnetic cylinder often rotates by a certain angle interval once, certain angle≤90 °.
According to one embodiment, in the step 2, described in unidirectional intermittent rotary when electromagnetism cylinder, the electromagnetism cylinder
Axis to be horizontally oriented be preferred.
It is in the step 2, described that the mode of vibration is applied preferably to electricity to electromagnetism cylinder according to one embodiment
Magnetic cylinder applies impact force straight up.
It is non-magnetic to increase to the slight vibration of electromagnetism cylinder application when toppling in the step 3 according to one embodiment
The mobility of property particle is preferred.
According to one embodiment, after the step 3, eliminates the electromagnetism cylinder electromagnetically, the electricity is poured out
Magnetic-particle in magnetic cylinder.
According to one embodiment, the electromagnetism cylinder inner surface is preferably continuous and derivable face.
Further, the continuous and derivable face of the electromagnetism cylinder inner surface includes several smooth protrusion or recess.
According to one embodiment, the non-magnetic material interior surface at the electromagnetism cylinder inner surface and electromagnetism cylinder both ends it
Between use smooth transition be preferred.
The dry type electromagnetism separation method of magnetic-particle, which passes through, in granulate mixture of the invention will rotate and shake (or interval
Demagnetization) mode that combines to granulate mixture transmits mechanical energy, and enable it form hanging similar to suspension in dry conditions
Floating dispersity, significantly improves the flowing transport ability of particle, preferably solves existing dry type magnetic separation technique and be difficult to take into account
The problem of separating effect and treating capacity, treating capacity achieve good separating effect up to hundred feather weight.The present invention is suitable for not
Can or should not be using the separation of the granulate mixture of wet separation method, separation process is relatively simple, and it is easy to operate, safely may be used
It leans on, is suitable for project scale application.
Detailed description of the invention
Fig. 1 is the operation that magnetic-particle in granulate mixture is separated according to the dry type electromagnetism separation method of the embodiment of the present invention
Flow chart.
Appended drawing reference: 1. electromagnetism cylinders, 2. non-magnetic particles, 3. magnetic-particles.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.
In the following detailed description, for convenient for explain, elaborate many concrete details with provide to the present invention implement
The comprehensive understanding of example.It should be apparent, however, that one or more embodiments without these specific details can also be by reality
It applies.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.
Although in conjunction with attached drawing, the present invention is described, and embodiment disclosed in attached drawing is intended to reality of the invention
The mode of applying illustrates, and should not be understood as to a kind of limitation of the invention.In order to be clearly shown all parts
Details, what all parts in attached drawing were not necessarily drawn to scale, so the ratio of all parts in attached drawing also should not be used as
A kind of limitation.
Operating process as shown in Figure 1, the dry type electromagnetism separation method packet of magnetic-particle in granulate mixture of the invention
Include following steps:
Particle to be separated mixture is packed into electromagnetism cylinder by step 1, and the electromagnetism cylinder is with circle electromagnetically
Cylinder；The both ends of the electromagnetism cylinder are closed with non-magnetic material lid；
Step 2, electromagnetism cylinder described in unidirectional intermittent rotary, and electromagnetism cylinder is applied in the interval of rotation and is shaken, enable institute
The magnetic-particle stated in particle to be separated mixture is gradually disengaged with non-magnetic particle；
Step 3 opens the non-magnetic material lid of electromagnetism cylinder side, overturns the electromagnetism cylinder, enables the electromagnetism
Do not toppled over by the particle of the electromagnetism cylinder electromagnetic attracting force in cylinder, obtains non-magnetic particle；In the electromagnetism cylinder
The particle not being dumped out by the electromagnetism cylinder electromagnetic attracting force is magnetic-particle.
In above-mentioned steps, unidirectional intermittent rotary electromagnetism cylinder may advantageously facilitate particle to be separated mixture in electromagnetism circle
Being uniformly distributed on tube inner surface follows electromagnetism cylinder to rotate with the magnetic-particle in season particle to be separated mixture, rather than
Magnetic-particle is split away off under the effect of gravity, and then generates centrifugation.
Electromagnetism cylinder is applied in the interval of rotation and is shaken, under the action of vibration, granulate mixture obtains kinetic energy, generates
Position occurs for the suspended dispersion of moment, the non-magnetic particle for enabling the entrainment due to magnetic-particle, covering act on and being fixed
It moves, and then progressively disengages the entrainment of magnetic-particle, covers and be separated, significantly improve separating effect.
According to an example, in the step 2, using the interval demagnetization method substitution interval in rotation to electromagnetism
Cylinder applies vibration；The interval demagnetization method are as follows: in the interval of rotation, moment is eliminated and restores the electromagnetism of the electromagnetism cylinder
Property.
Substituted and shaken using interval demagnetization method, the moment of electromagnetism cylinder electromagnetically eliminate and restore can to enable magnetic-particle by
The electromagnetism force constraint arrived obtains instantaneous releasing, at this point, magnetic-particle obtains kinetic energy under gravity and generates transient motion,
The suspended dispersion of moment is formed, the non-magnetic particle for enabling the entrainment due to magnetic-particle, covering act on and being fixed is sent out
Raw displacement is detached from entrainment, the covering of magnetic-particle；And after the electromagnetically recovery of electromagnetism cylinder, magnetic-particle is in electromagnetic force
It is constrained on electromagnetism cylinder inner surface again under effect, so that before by non magnetic of the part of magnetic-particle entrainment, covering
Grain is released out.By repeatedly recycling, good separating effect can be obtained.At the same time, elimination-recovery electromagnetically
Frequency is easily controllable, convenient for improving separative efficiency.
According to an example, in said step 1, the inside of the electromagnetism cylinder is also provided with non-magnetic cylinder, dress
The particle to be separated mixture entered in electromagnetism cylinder is respectively positioned on inside non-magnetic cylinder, is protected with being formed to electromagnetism cylinder inner surface
Shield, from wearing or staiing.
It further,, will be non-after the step 3 when the inside of the electromagnetism cylinder is additionally provided with non-magnetic cylinder
The magnetic-particle in the electromagnetism cylinder is poured out by removing in the electromagnetism cylinder in magnetic cylinder.Due to non-magnetic cylinder
Removal relieves attraction of the electromagnetism cylinder to magnetic-particle, so that the collection of magnetic-particle becomes very convenient.
According to an example, in said step 1, the inner surface of the electromagnetism cylinder can be equipped with coating, coating or cover
Film is protected with being formed to electromagnetism cylinder inner surface, from wearing or staiing.
According to an example, in said step 1, if particle to be separated mixture is moist material, described in loading
It is dried before in electromagnetism cylinder, is allowed to wet weight percentage lower than 5%, to improve the flowing of granulate mixture
Property, improve separating effect.
According to an example, in said step 1, the body for the particle to be separated mixture being packed into the electromagnetism cylinder
It is preferred that product, which accounts for the 10~25% of the electromagnetism cylinder interior volume,.Granulate mixture charge weight within the scope of this can be preferably simultaneous
Care for electromagnetism cylinder interior space utilization rate and separating effect.
According to an example, in the step 2, the interval opportunity of the unidirectional intermittent rotary is preferably the electromagnetism
Cylinder often rotates by a certain angle interval once, certain angle≤90 °.With this condition, the every rotation of the electromagnetism cylinder 1 week
It can shake no less than 4 times, enable electromagnetism cylinder everywhere by good shock effect, make to be carried secretly by magnetic-particle everywhere, cover
The non-magnetic particle of lid can efficiently separate out, significantly improve separating effect.
According to an example, in the step 2, described in unidirectional intermittent rotary when electromagnetism cylinder, the electromagnetism cylinder
It is preferred that axis, which is horizontally oriented,.Since centrifugation is dependent on non-magnetic particle falling off under the effect of gravity, and electromagnetism
The axis of cylinder is horizontally oriented to fall off most beneficial for the without hindrance of non-magnetic particle, therefore such is set as preferably implementing
Mode.
It is in the step 2, described that the mode of vibration is applied preferably to electromagnetism to electromagnetism cylinder according to an example
Cylinder applies impact force straight up.Since the non-magnetic particle in electromagnetism cylinder by magnetic-particle entrainment, covering is originally experienced
To gravity straight down, the impact force applied straight up to electromagnetism cylinder enables its vibration, and the direction of the impact force is rigid
It is good contrary with gravity, make non-magnetic particle and is generated more greatly between the magnetic-particle that is adsorbed on electromagnetism cylinder inner wall
Movement velocity it is poor, be conducive to be carried secretly by magnetic-particle, the non-magnetic particle of covering generates the position bigger compared to magnetic-particle
It moves, be more good suspended dispersion is formed, to obtain better separating effect.
It, can be non-to increase to the slight vibration of electromagnetism cylinder application when toppling in the step 3 according to an example
The mobility of magnetic-particle is conducive to non-magnetic particle and topples over completely.
According to an example, after the step 3, eliminates the electromagnetism cylinder electromagnetically, the electromagnetism is poured out
Magnetic-particle in cylinder.Since elimination electromagnetically relieves attraction of the electromagnetism cylinder to magnetic-particle, so that magnetic
The collection of particle becomes very convenient.
According to an example, the electromagnetism cylinder inner surface is preferably continuous and derivable face, be can be effectively reduced mixed to particle
The retardation for closing object is conducive to improve separating effect.
Further, the continuous and derivable face of the electromagnetism cylinder inner surface includes several smooth protrusion or recess, to increase
It is powered on magnetic cylinder inner surface area, improves its inner space utilization rate and separating effect.
According to an example, between the electromagnetism cylinder inner surface and the non-magnetic material interior surface at electromagnetism cylinder both ends
It can be conducive to improve separating effect using smooth transition, to the retardation of granulate mixture to be separated when reducing rotation.
It is separated using above-mentioned dry type electromagnetism separation method to certain magnetization zeolite granular and without magnetic soil particle mixture,
Wherein, the content for magnetizing zeolite granular in mixture is 2.50kg, and no magnetic soil particle content is 7.50kg, compound particles
For partial size between 0.1~3mm, key step is as follows:
One, particle to be separated mixture is packed into electromagnetism cylinder, the electromagnetism cylinder is with cylinder electromagnetically；Institute
The inside for stating electromagnetism cylinder is equipped with non-magnetic cylinder, and the particle to be separated mixture being packed into electromagnetism cylinder is respectively positioned on non magnetic circle
Cylinder is internal；The both ends of the electromagnetism cylinder are closed with non-magnetic material lid；The electromagnetism barrel bore is 36cm, and dischargeable capacity is
50L, filling rate 13%；
Two, the axis of the electromagnetism cylinder is enabled to be horizontally oriented, electromagnetism cylinder described in unidirectional intermittent rotary, in rotation
Intermittently, moment is eliminated and restores the electromagnetism cylinder electromagnetically, enables the magnetization zeolite in the particle to be separated mixture
Grain is gradually disengaged with no magnetic soil particle；The rotation speed of the unidirectional intermittent rotary is 30~60rpm, is often rotated by 90 ° interval 1
It is secondary；
Three, the non-magnetic material lid of electromagnetism cylinder side is opened, overturn and slightly shakes the electromagnetism cylinder, enables institute
It states in electromagnetism cylinder and is not toppled over by the particle of the electromagnetism cylinder electromagnetic attracting force, obtain no magnetic soil particle 7.21kg；
The particle not being dumped out in the electromagnetism cylinder by the electromagnetism cylinder electromagnetic attracting force is to magnetize zeolite granular；
Four, it eliminates the electromagnetism cylinder electromagnetically, the magnetization zeolite granular in the electromagnetism cylinder is poured out.
Separating resulting is shown: the rate of recovery without magnetic soil particle after separation is about 96%, contained in no magnetic soil particle
Magnetize zeolite granular and is less than 0.9wt%.It is identical dealing with objects by taking inclined plate separates as an example compared with continuous magnetic separation technique
Under the conditions of, when being separated using inclined plate, magnetization zeolite granular is about 10wt% contained in no magnetic soil particle, shows above-mentioned dry type
The separating effect of electromagnetism separation method is significantly better than inclined plate separation.
Although some embodiments of general plotting have been shown and have illustrated according to the present invention, however, ordinary skill
Personnel should be understood that in the case where the principle and spirit without departing substantially from the present general inventive concept, can make to these embodiments
Change, the scope of the present invention is limited with claim and their equivalent.
Claims (15)
1. the dry type electromagnetism separation method of magnetic-particle in a kind of granulate mixture, it is characterised in that this method includes following step
It is rapid:
Particle to be separated mixture is packed into electromagnetism cylinder by step 1, and the electromagnetism cylinder is with cylinder electromagnetically；Institute
It is closed with non-magnetic material lid to state the both ends of electromagnetism cylinder；
Step 2, electromagnetism cylinder described in unidirectional intermittent rotary, and electromagnetism cylinder is applied in the interval of rotation and is shaken, enable it is described to
Magnetic-particle in separation granulate mixture is gradually disengaged with non-magnetic particle；
Step 3 opens the non-magnetic material lid of electromagnetism cylinder side, overturns the electromagnetism cylinder, enables the electromagnetism cylinder
Do not toppled over by the particle of the electromagnetism cylinder electromagnetic attracting force inside, obtains non-magnetic particle；By institute in the electromagnetism cylinder
The particle stating electromagnetism cylinder electromagnetic attracting force and not being dumped out is magnetic-particle.
2. the dry type electromagnetism separation method of magnetic-particle in granulate mixture according to claim 1, it is characterised in that:
In the step 2, electromagnetism cylinder is applied using the interval demagnetization method substitution interval in rotation and is shaken；The interval disappears
Magnetic method are as follows: in the interval of rotation, moment is eliminated and restores the electromagnetism cylinder electromagnetically.
3. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: in said step 1, the inside of the electromagnetism cylinder is additionally provided with non-magnetic cylinder, to be separated be packed into electromagnetism cylinder
Grain mixture is respectively positioned on inside non-magnetic cylinder.
4. the dry type electromagnetism separation method of magnetic-particle in granulate mixture according to claim 3, it is characterised in that:
After the step 3, by non-magnetic cylinder by removing in the electromagnetism cylinder, it is poured out magnetic in the electromagnetism cylinder
Grain.
5. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: in said step 1, the inner surface of the electromagnetism cylinder is equipped with coating, coating or overlay film.
6. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: in said step 1, if particle to be separated mixture is moist material, to it before being packed into the electromagnetism cylinder
It is dried, is allowed to wet weight percentage lower than 8%.
7. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: in said step 1, the volume for the particle to be separated mixture being packed into the electromagnetism cylinder accounts in the electromagnetism cylinder
The 10~25% of portion's volume.
8. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: in the step 2, the interval opportunity of the unidirectional intermittent rotary is that the electromagnetism cylinder often rotates by a certain angle intermittently
Once, certain angle≤90 °.
9. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: in the step 2, described in unidirectional intermittent rotary when electromagnetism cylinder, the axis of the electromagnetism cylinder is horizontally oriented.
10. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: in the step 2, the mode for applying vibration to electromagnetism cylinder is the impact applied to electromagnetism cylinder straight up
Power.
11. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: in the step 3, slight vibration is applied to increase the mobility of non-magnetic particle to electromagnetism cylinder when toppling over.
12. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: it after the step 3, eliminates the electromagnetism cylinder electromagnetically, the magnetic-particle in the electromagnetism cylinder is poured out.
13. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: the electromagnetism cylinder inner surface is continuous and derivable face.
14. the dry type electromagnetism separation method of magnetic-particle in granulate mixture according to claim 13, it is characterised in that:
The continuous and derivable face of the electromagnetism cylinder inner surface includes several smooth protrusion or recess.
15. the dry type electromagnetism separation method of magnetic-particle, feature exist in granulate mixture according to claim 1 or 2
In: using smooth transition between the electromagnetism cylinder inner surface and the non-magnetic material interior surface at electromagnetism cylinder both ends.
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| CN201810902345.4A CN109046766A (en) | 2018-08-09 | 2018-08-09 | The dry type electromagnetism separation method of magnetic-particle in granulate mixture |
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| CN201810902345.4A CN109046766A (en) | 2018-08-09 | 2018-08-09 | The dry type electromagnetism separation method of magnetic-particle in granulate mixture |
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Citations (6)
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|---|---|---|---|---|
| US3988240A (en) * | 1973-04-05 | 1976-10-26 | The United States Of America As Represented By The Secretary Of The Interior | Alternating field magnetic separator |
| CN2082199U (en) * | 1990-07-27 | 1991-08-07 | 冶金工业部马鞍山矿山研究院 | Magnetic vibration low field-intensity magnetic separator |
| CN1516613A (en) * | 2001-04-12 | 2004-07-28 | �����ջ�е���̹ɷ�����˾ | Method and device for separating materials |
| CN203235553U (en) * | 2013-04-12 | 2013-10-16 | 刘兰妹 | Self-flowing plate type dry magnetic separator |
| CN203291956U (en) * | 2013-05-30 | 2013-11-20 | 江苏旌凯中科超导高技术有限公司 | Dry type magnetic separator with rotary type scraping plates |
| CN107570320A (en) * | 2017-10-27 | 2018-01-12 | 岳阳大力神电磁机械有限公司 | Wet-dry permanent magnetic separator |
-
2018
- 2018-08-09 CN CN201810902345.4A patent/CN109046766A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3988240A (en) * | 1973-04-05 | 1976-10-26 | The United States Of America As Represented By The Secretary Of The Interior | Alternating field magnetic separator |
| CN2082199U (en) * | 1990-07-27 | 1991-08-07 | 冶金工业部马鞍山矿山研究院 | Magnetic vibration low field-intensity magnetic separator |
| CN1516613A (en) * | 2001-04-12 | 2004-07-28 | �����ջ�е���̹ɷ�����˾ | Method and device for separating materials |
| CN203235553U (en) * | 2013-04-12 | 2013-10-16 | 刘兰妹 | Self-flowing plate type dry magnetic separator |
| CN203291956U (en) * | 2013-05-30 | 2013-11-20 | 江苏旌凯中科超导高技术有限公司 | Dry type magnetic separator with rotary type scraping plates |
| CN107570320A (en) * | 2017-10-27 | 2018-01-12 | 岳阳大力神电磁机械有限公司 | Wet-dry permanent magnetic separator |
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