CN204816869U - Ventilative magnetic separation roller - Google Patents
Ventilative magnetic separation roller Download PDFInfo
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- CN204816869U CN204816869U CN201520545484.8U CN201520545484U CN204816869U CN 204816869 U CN204816869 U CN 204816869U CN 201520545484 U CN201520545484 U CN 201520545484U CN 204816869 U CN204816869 U CN 204816869U
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Abstract
The utility model discloses a ventilative magnetic separation roller, including ventilative roller and magnetism roller, ventilative roll surface evenly offers a plurality of through -holes, inlays ventilative material in the through -hole, magnetism roller coaxial rotation installs in ventilative roller, has offered a plurality of air vents at magnetism roll surface to it is to set firmly magnetism along magnetism roller circumference, and this magnetism system comprises the permanent magnetism core of equidistant even setting at magnetism roll surface, and adjacent permanent magnetism core magnetic pole is different, ventilative roller and magnetism roller all have the confined inner chamber, and the external pressure air supply of the inner chamber of magnetism roller. The utility model discloses simple structure, reasonable in design, furthest have solved the magnetism material in that select the other produced magnetism of in -process to reunite and magnetism mix with the problem, and the grade of messenger's magnetism concentrate product reaches high level.
Description
Technical field
The utility model belongs to mineral magnetic separation technology field, particularly relates to a kind of magnetic separation roller.
Background technology
So-called magnetic separation, utilizes the magnetic contrast of sorted material, exactly to a kind of ore dressing means that mineral grain is separated in sorting magnetic field.Magnetic separation can divide wet magnetic separation and dry type magnetic separation two kinds of forms.Wet magnetic separation needs using water as working media, will be difficult to realize in the area of serious water shortage, and also may cause severe contamination to surrounding enviroment; Compared with the technological process of wet magnetic separation complexity and application limitation, dry-type magnetic selection apparatus has the many advantages such as structure is simple, small investment, operating cost are low, energy-conserving and environment-protective.Therefore, dry type magnetic separation is developing in recent years with obtaining very fast degree.
Along with high-pressure roller mill is in the extensive utilization in grinding field, traditional dry-type magnetic extractor cannot meet growing demand of processing quantity; In addition, conventional dry magnetic separator makes the magnetic material grade that sorts out not high due to phenomenons such as magnetic coagulation and magnetic are mingled with, be difficult to the demand meeting final products.For above deficiency or the drawback of conventional dry magnetic separation, do a large amount of work in recent years at the R&D personnel of ore dressing field both at home and abroad, carry out various exploration.But fine fraction magnetic material to be mingled with etc. to phenomenon and still cannot to solve very well sorting the magnetic coagulation that produces in process and magnetic.
Therefore, how to solve the problems of the technologies described above and become this those skilled in the art's problem demanding prompt solution.
Utility model content
The purpose of this utility model is exactly the problem for above-mentioned prior art, provides a kind of ventilative magnetic separation roller, thus solves above-mentioned prior art Problems existing completely.
The purpose of this utility model is realized by following technical proposals:
A kind of ventilative magnetic separation roller, comprise ventilative roller and magnetic roller, described ventilative roller surface uniform offers some through holes, gas permeable material is inlayed in through hole, described magnetic roller coaxial rotation is arranged in ventilative roller, left magnetic roller cylinder surface offers some passages, and set firmly magnetic system along magnetic roller circumference, this magnetic system is made up of the permanent magnetism core being equidistantly evenly arranged on magnetic roller surface, and adjacent permanent magnet core magnetic pole is different, described ventilative roller and magnetic roller all have closed inner chamber, and the external pressure gas source of the inner chamber of magnetic roller.
Further, described magnetic roller and ventilative roller relatively rotate thus form low frequency alternating magnetic field at ventilative roller surface, and its magnetic field intensity is 600Gs ~ 6000Gs, and alternative frequency is 0 ~ 120Hz.
Further, described ventilative roller adopts glass-reinforced plastic material to make.
Further, described gas permeable material is macromolecular material, corundum ceramic material or powdered metallurgical material.
Further, the gas pressure of described pressure gas source is 1000Pa ~ 10000Pa.
Compared with prior art, the beneficial effects of the utility model are: structure is simple, reasonable in design, farthest solves magnetic material and is sorting the magnetic coagulation and magnetic Inclusion Problem that produce in process, make the grade of magnetic concentrate product reach high level; The magnetic separator disposal ability of installing this ventilative magnetic separation roller is very large, and the size fraction ranges of selected mineral is wide, and when ensureing that tailings grade is qualified, the product that concentrate grade is selected than common magnetic separator will improve more than 50%; And wind-force is incorporated into sorting in process of magnetic material, thus in the middle of the competition that wind-force is participated directly in magnetic force together with gravity, centrifugal force, thus significantly promote the magnetic mineral rate of recovery and concentrate grade; The utility model is applicable to the sorting of industry magnetic minerals after milling equipment grinding such as metallurgy, mine, chemical industry, is particularly useful for the particle of diameter≤5mm or the sorting of powdery type mineral aggregate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the fiting relation figure of ventilative roller and magnetic roller;
Fig. 3 is the structural representation of ventilative roller;
Fig. 4 is using state figure of the present utility model.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is further described.
As shown in Figure 1 to Figure 3, a kind of ventilative magnetic separation roller, comprise ventilative roller 1 and magnetic roller 2, described ventilative roller 1 adopts glass-reinforced plastic material to make, some through holes 3 are offered at ventilative roller 1 surface uniform, in through hole 3, inlay gas permeable material 5, described gas permeable material 5 is macromolecular material, corundum ceramic material or powdered metallurgical material.Described magnetic roller 2 coaxial rotation is arranged in ventilative roller 1, left magnetic roller cylinder 2 surface offers some passages, and set firmly magnetic system along magnetic roller 2 circumference, this magnetic system is made up of the permanent magnetism core 4 being equidistantly evenly arranged on magnetic roller 2 surface, and adjacent permanent magnet core 4 magnetic pole is different, described ventilative roller 1 and magnetic roller 2 all have closed inner chamber, and the external pressure gas source of the inner chamber of magnetic roller 2, its gas pressure is 1000Pa ~ 10000Pa.Concretely, the rotating shaft 6 of described magnetic roller 2 is hollow shaft, and it stretches on a section in magnetic roller 2 inner chamber and offers air-vent 7, and pressed gas enters the inner chamber of magnetic roller 2 from air-vent 7.
Described magnetic roller 2 relatively rotates with ventilative roller 1 thus forms low frequency alternating magnetic field on ventilative roller 1 surface, and its magnetic field intensity is 600Gs ~ 6000Gs, and alternative frequency is 0 ~ 120Hz.
See Fig. 4, in use, ventilative magnetic separation roller of the present utility model is horizontally rotated be arranged in the shell 8 of magnetic separator.Mineral to be selected are inserted ventilative roller 1 surface from the charging gear 9 of magnetic separator, and the magnetic mineral particles in mineral to be selected is adsorbed to ventilative roller 1 surface under magneticaction, rotates counterclockwise with ventilative roller 1, non magnetic ore particle in mineral to be selected due to not by the effect of magnetic force, is mainly directly left in the mine tailing bucket 10 below ventilative roller 1 under the effect of gravity and centrifugal force, magnetic mineral particles ceaselessly rolls and slowly movement on ventilative roller 1 surface under the effect of alternating magnetic field, pressed gas enters in ventilative roller 1 by the passage on magnetic roller 2 simultaneously, and spray impact magnetic mineral particles from the through hole 3 on ventilative roller 1 surface, to make in magnetic material parcel and the non-magnetic particle be mingled with or sub magnetic debris at gravity, centrifugal inertial force, come off from ventilative roller 1 surface under the effect of disturbance of magnetic field effect and wind-force, wherein partial particulate is thin, lightweightly to be put away by dust collecting system 11, and most of particle is larger, dropping in mine tailing bucket 10 of heavier mass.Finally, the high-grade concentrate granular absorption that remaining magnetic is stronger is surperficial at ventilative roller 1, and within the magnetic fields scope being brought to discharge rolls 12 along with ventilative rotating counterclockwise of roller 1, thus caught by the High-gradient Magnetic place that discharge rolls 12 induces, and taken away the magnetic fields scope of magnetic roller 2 along with the continuous rotation of discharge rolls 12, thrown into concentrate bucket 13 under the effect of the centrifugal force finally produced because of rotation in discharge rolls 12.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a ventilative magnetic separation roller, it is characterized in that: comprise ventilative roller and magnetic roller, described ventilative roller surface uniform offers some through holes, gas permeable material is inlayed in through hole, described magnetic roller coaxial rotation is arranged in ventilative roller, left magnetic roller cylinder surface offers some passages, and set firmly magnetic system along magnetic roller circumference, this magnetic system is made up of the permanent magnetism core being equidistantly evenly arranged on magnetic roller surface, and adjacent permanent magnet core magnetic pole is different, described ventilative roller and magnetic roller all have closed inner chamber, and the external pressure gas source of the inner chamber of magnetic roller.
2. ventilative magnetic separation roller according to claim 1, it is characterized in that: described magnetic roller and ventilative roller relatively rotate thus form low frequency alternating magnetic field at ventilative roller surface, its magnetic field intensity is 600Gs ~ 6000Gs, and alternative frequency is 0 ~ 120Hz.
3. ventilative magnetic separation roller according to claim 1, is characterized in that: described ventilative roller adopts glass-reinforced plastic material to make.
4. ventilative magnetic separation roller according to claim 3, is characterized in that: described gas permeable material is macromolecular material, corundum ceramic material or powdered metallurgical material.
5. ventilative magnetic separation roller according to claim 1, is characterized in that: the gas pressure of described pressure gas source is 1000Pa ~ 10000Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520545484.8U CN204816869U (en) | 2015-07-24 | 2015-07-24 | Ventilative magnetic separation roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520545484.8U CN204816869U (en) | 2015-07-24 | 2015-07-24 | Ventilative magnetic separation roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204816869U true CN204816869U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520545484.8U Active CN204816869U (en) | 2015-07-24 | 2015-07-24 | Ventilative magnetic separation roller |
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| CN (1) | CN204816869U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772219A (en) * | 2016-05-10 | 2016-07-20 | 中南大学 | Wind dry type magnetic separator |
| CN107840110A (en) * | 2017-12-21 | 2018-03-27 | 关山越 | A kind of carrying roller |
-
2015
- 2015-07-24 CN CN201520545484.8U patent/CN204816869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772219A (en) * | 2016-05-10 | 2016-07-20 | 中南大学 | Wind dry type magnetic separator |
| CN107840110A (en) * | 2017-12-21 | 2018-03-27 | 关山越 | A kind of carrying roller |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |