CN203663999U - Non-uniform strong magnetic medium and magnetic separation equipment - Google Patents
Non-uniform strong magnetic medium and magnetic separation equipment Download PDFInfo
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- CN203663999U CN203663999U CN201320832701.2U CN201320832701U CN203663999U CN 203663999 U CN203663999 U CN 203663999U CN 201320832701 U CN201320832701 U CN 201320832701U CN 203663999 U CN203663999 U CN 203663999U
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Abstract
The utility model provides a non-uniform strong magnetic medium and magnetic separation equipment. The non-uniform strong magnetic medium comprises unevenly arranged strong magnetic medium with multiple diameter grades; the radius ratio of each diameter grade of strong magnetic medium to minerals to be separated is 2.69. The non-uniform strong magnetic medium and the magnetic separation equipment are used for gradient matching on multiple particle sizes of minerals under the same exciting current so as to improve the separation efficiency of strong magnetic separation.
Description
Technical field
The utility model relates to a kind of non-homogeneous strong magnetizing mediums and magnetic plant, more particularly, relate to a kind of can in the time that mineral aggregate is carried out to magnetic separation, realize make mineral aggregate in varigrained mineral grain carry out gradient coupling and realize every kind of particle diameter mineral grain efficient separation non-homogeneous strong magnetizing mediums and comprise the magnetic plant of this non-homogeneous strong magnetizing mediums.
Background technology
Vertical ring high-gradient intensity magnetic separator is a kind of vertical strong magnetic separation equipment that is generally used for sorting weak magnetic mineral from the ore of grinding.When work, the magnetic field that the winding coil of vertical ring high-gradient intensity magnetic separator produces, forms loop by upper and lower yoke, change by direction of rotation rotate, mineral aggregate to be sorted enter by feed pipe and along upper magnetic pole slit flow through change, wherein, medium is arranged in change, for adsorbing magnetic mineral.
Other mineral aggregate to be selected feeds behind the sorting space of magnetic separator, is subject to being sorted after the acting in conjunction of magnetic force and other mechanical forces (as gravity, centrifugal force, frictional force, resistance of medium etc.).The size of the suffered magnetic force of magnetic mineral particle and the magnetic of mineral own and relevant for adsorbing the medium of magnetic mineral.Therefore, other mineral aggregate to be selected, respectively along different paths, obtains sorting.In general, magnetic-particle is suffered in magnetic field is directly proportional to magnetic field intensity and gradient than the size of magnetic force.
In the technology with current is produced, intensity magnetic separator selects according to the particle mean size of ore particle the strong magnetizing mediums that a kind of diameter is suitable often, therefore divide and choose in reality; while sorting, under a kind of exciting curent condition, can only look after a kind of mineral grain of particle diameter, that is to say, still there is a shortcoming in vertical ring high-gradient intensity magnetic separator: in high intensity magnetic separation operation; magnetic field gradient can not mate with the gradient of mineral grain; therefore overall beneficiating efficiency is not high, and inferior fine magnetite concentrate grade is lower, and concentration ratio is lower.
Utility model content
At least one problem during the purpose of this utility model is to overcome the above problems, for this reason, a kind of beneficiating efficiency that can improve vertical ring pulsating high gradient intensity magnetic separator is provided, by realizing the gradient coupling of various granularity mineral, realize the efficient separation of each particle diameter mineral grain non-homogeneous strong magnetizing mediums, comprise the magnetic plant of this medium and use the magnetic selection method of this medium.
According to the one side of exemplary embodiment of the present utility model, a kind of non-homogeneous strong magnetizing mediums is provided, described non-homogeneous strong magnetizing mediums comprises the strong magnetizing mediums of arranging inhomogeneous multiple footpaths level, for realize the gradient coupling of multiple particle diameter mineral under same exciting curent, the radius of the strong magnetizing mediums of each footpath level is 2.69 with the ratio of the radius for the treatment of sorting mined material.
In the direction that the diameter of the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums flows at mineral, can arrange in gradient.
In the direction that the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums can flow at mineral, arrange from coarse to fine by the diameter of medium.
The quantity of the strong magnetizing mediums of each footpath level in the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums can be different.
Gap between the strong magnetizing mediums of each footpath level in the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums can be different.
Described non-homogeneous strong magnetizing mediums can comprise 3-7 footpath level.
Described non-homogeneous strong magnetizing mediums can comprise 3-5 footpath level.
According to exemplary embodiment of the present utility model on the other hand, provide a kind of magnetic plant, described magnetic plant comprises the non-homogeneous strong magnetizing mediums of one recited above.
According to exemplary embodiment of the present utility model on the other hand, provide a kind of magnetic selection method, described magnetic selection method comprises the steps: to select non-homogeneous strong magnetizing mediums as above; Select exciting curent; Under the exciting curent of having selected, mate with the gradient of multiple particle diameter mineral by the non-homogeneous strong magnetizing mediums of having selected, described multiple particle diameter mineral are sorted, wherein, diameter, quantity and the gap of the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums and described exciting curent are determined according to the particle diameter of the different minerals in mineral to be selected and content.
The diameter of the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums can be determined according to the particle diameter of the different minerals in mineral to be selected; The quantity of the strong magnetizing mediums of the each footpath level in the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums can be required according to the corresponding mineral in mineral to be selected surface recently determine; Gap between the strong magnetizing mediums of the each footpath level in the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums can be determined according to the required size of corresponding mineral in mineral to be selected.
Adopt non-uniform dielectric of the present utility model, comprise the magnetic plant of this medium and use the magnetic selection method of this medium, can reach at least one in following significant technique effect: the beneficiating efficiency that significantly improves intensity magnetic separator sorting weak magnetic minerals, effectively reduce tailings grade, improve concentrate grade, under the condition of same exciting curent, realize the gradient coupling of every kind of particle diameter mineral, realize the optimization of strong magnetic operation.
Accompanying drawing explanation
Fig. 1 is the overall alignment figure of strong magnetic change medium.
Fig. 2 is the enlarged diagram of arranging on the A-A section in Fig. 1 according to the evenly strong magnetizing mediums of prior art.
Fig. 3 is the enlarged diagram of arranging on the A-A section in Fig. 1 according to the non-homogeneous strong magnetizing mediums of an exemplary embodiment of the utility model.
Fig. 4 be with shown in front view according to the pulsating high gradient magnetic separator with vertical ring structure chart of the utility model exemplary embodiment.
Fig. 5 be with shown in side view according to the pulsating high gradient magnetic separator with vertical ring structure chart of the utility model exemplary embodiment.
Fig. 6 is the schematic representation of according to the non-uniform dielectric of the utility model exemplary embodiment, mineral being carried out the magnetic selection method of sorting.
The specific embodiment
With reference to accompanying drawing, the utility model is described more fully hereinafter, embodiment of the present utility model shown in the drawings.But the utility model can be implemented in many different forms, and should not be interpreted as the embodiment that is confined to proposed here.On the contrary, it will be thorough with completely providing these embodiment to make the disclosure, and scope of the present utility model is conveyed to those skilled in the art fully.In the accompanying drawings, for clarity, can exaggerate size and the relative size of particle and parts, identical label represents identical element all the time.
Fig. 1 is the overall alignment figure of strong magnetic change medium.
With reference to Fig. 1, hereinafter by the change 4 in the strong magnetic separator of ring type as example illustrates non-homogeneous strong magnetizing mediums of the present utility model.
Fig. 2 is the enlarged diagram of arranging on the A-A section in Fig. 1 according to the evenly strong magnetizing mediums of prior art.
With reference to Fig. 2, distribution according to the evenly strong magnetizing mediums of prior art in change is even substantially, and the gap between evenly strong magnetizing mediums rod D is even, and the size of evenly strong magnetizing mediums rod D is substantially the same, on arrangement mode, thickness are selected and distributed, be, all uniform.
Fig. 3 is the enlarged diagram of arranging on the A-A section in Fig. 1 according to the non-homogeneous strong magnetizing mediums of an exemplary embodiment of the utility model.
With reference to Fig. 3, comprise and arrange inhomogeneous multiple footpaths level (for example D according to the non-homogeneous strong magnetizing mediums of an exemplary embodiment of the utility model
0-D
6) strong magnetizing mediums, non-homogeneous strong magnetizing mediums comprises from coarse to fine the dielectric rod of arranging.In Fig. 3, illustrate from D
0-D
6the strong magnetizing mediums rod of seven footpath levels, arrange from coarse to finely, to adsorb from coarse to fine mineral in the direction flowing at mineral, but the utility model is not limited to this, its footpath level can differently be arranged according to the direction of ore deposit stream as required, for example, according to D
6-D
0order, D
6-D
3-D
1-D
2-D
4-D
0-D
5order etc., as long as can realize the sorting to mineral.
In Fig. 3, D
0-D
6the diameter difference of the strong magnetizing mediums of each footpath level in the level of footpath, specifically, the diameter of the strong magnetizing mediums of each footpath level is determined according to the particle diameter of the different minerals in mineral to be selected, in the time carrying out sorting, different minerals in the strong magnetizing mediums absorption material of various footpaths level, reaches the object of simultaneously carrying out sorting under same exciting curent.In addition, D
0-D
6the quantity difference of the strong magnetizing mediums of the each footpath level in the strong magnetizing mediums of footpath level, correspondingly, to adsorb fully the different mineral of content.Because mineral to be selected are attracted to the surface of strong magnetizing mediums, therefore the quantity of the strong magnetizing mediums of each footpath level is recently determined according to the required surface of the corresponding mineral in mineral to be selected.In addition, D
0-D
6gap L difference between the strong magnetizing mediums rod of the each footpath level in the strong magnetizing mediums of footpath level.
Specifically, D
0-D
6strong magnetizing mediums and the C of footpath level
0-C
6the mineral aggregate to be selected of grade is gradient coupling, gradient coupling (for example just refers to medium, ferromagnetic media, particularly, thread medium or bar-shaped medium) radius and mineral grain radius should have suitable ratio, in the time of this ratio, act on the magnetic force maximum on contiguous sub magnetic debris, this suitable proportionate relationship is called gradient coupling.Magnetic force relational expression Fm=kV │ H │ grad │ B │ according to mineral on magnetizing mediums is known, wherein, and k: volume susceptibility; V: particle volume; H: magnetic field intensity; B: magnetic induction intensity is can reach best gradient at 2.69 o'clock to mate at magnetizing mediums radius and the ratio of particle radius.
Fig. 3 shows the non-homogeneous strong magnetizing mediums with 7 footpath levels, but the utility model is not limited to this, and for example, non-homogeneous strong magnetizing mediums can comprise 3-7 footpath level according to kind and the quantity for the treatment of the included different material of ore dressing.Preferably, non-homogeneous strong magnetizing mediums can comprise 3-5 footpath level.
Fig. 4 be with shown in front view according to the pulsating high gradient magnetic separator with vertical ring structure chart of the utility model exemplary embodiment.Fig. 5 be with shown in side view according to the pulsating high gradient magnetic separator with vertical ring structure chart of the utility model exemplary embodiment.Fig. 6 is the schematic representation of the magnetic selection method of the sorting mineral carried out according to the non-uniform dielectric of the utility model exemplary embodiment.
With reference to Fig. 4 and Fig. 5, vertical ring pulsating high gradient intensity magnetic separator comprises pulsing mechanism 1, magnetizing coil 2, iron yoke 3, change 4, mine feeding bucket 5, rinsing bucket 6, concentrate flusher 7, concentrate bucket 8, middle ore bucket 9, mine tailing bucket 10, liquid level bucket 11, change driving mechanism 12, frame 13, wherein, represented to ore deposit by F, clear water is represented by W, concentrate represents by C, and chats represents by M, and mine tailing is represented by T.For fear of fuzzy theme of the present utility model, by the feature relevant to non-homogeneous strong magnetizing mediums of describing in detail in vertical ring pulsating high gradient intensity magnetic separator.
According in exemplary embodiment of the present utility model, change 4 comprises support ring and non-homogeneous strong magnetizing mediums as shown in Figure 3.As shown in Figure 4, the bottom of change 4 and magnetizing coil 2 are overlapping, produce magnetic field in overlapping part by magnetizing coil, and change 4 does not have magnetic field with the overlapping top of magnetizing coil 2.
Mineral aggregate is fed from mine feeding bucket 5 (as shown in F), along upper yoke slit flow through change 4, the non-homogeneous strong magnetizing mediums of thickness medium diameter inequality, upper and lower skewness, quantity inequality and/or spacing inequality is disposed in change 4, specifically, at the section of change 4, non-homogeneous strong magnetizing mediums is according to reducing gradually along the orient diameter of (namely from inside to outside) from top to bottom.Non-homogeneous strong magnetizing mediums in change 4 is magnetized in magnetic field; strong magnetizing mediums surface forms high-gradient magnetic field; in ore pulp magnetic-particle by sorption on strong magnetizing mediums surface; along with the rotation of change 4 is taken to top without field regions; pour in concentrate bucket 8 with clear water W, non-magnetic particle or mine tailing T flow into mine tailing bucket 10 along lower yoke gap.
To the inhomogeneous sorting mineral process of granularity as shown in Figure 6, in figure, the particle of the top represents raw mineral materials to be sorted, and comprises weak magnetic mineral and non magnetic ore, at weak magnetic mineral and the non magnetic ore of giving seedy and particulate in ore deposit.In the time that material passes through medium, because the suffered magnetic force of mineral is to be directly proportional to the product of background lectromagnetism field to magnetic field gradient, unified regional background field intensity in sorting is identical, therefore, when by strong magnetizing mediums top, seedy magnetic mineral is attracted on the thick medium that magnetic field gradient is less above, now due to particulate magnetic mineral, to adsorb required magnetic field gradient higher, fine mineral can not adsorb on thick medium, in the time dropping on thin medium, it just can be attracted on thin medium, if only have thick medium above, this part particulate magnetic mineral will fall to entering mine tailing loss with gravity and current.
With reference to Fig. 6, use the strong magnetizing mediums D according to exemplary embodiment of the present utility model
0-D
6varigrained magnetic mineral is carried out to sorting, and varigrained magnetic mineral is by the strong magnetizing mediums sorption of Different Diameter level, and last mine tailing T falls into mine tailing bucket 10.In this exemplary embodiment, mine tailing T comprises that nonmagnetic mineral and other do not need by the mineral of magnetic separation.
D
0-D
6the strong magnetizing mediums of footpath level arranged from coarse to fine in the direction of ore deposit stream, superposed thick medium, for example D
1, adsorb major diameter concentrate, be positioned at the thin medium D of bottom
6absorption minor diameter concentrate.There is the mineral C of different-grain diameter
0-C
6by sorting successively.
To the process of carrying out magnetic separation according to non-homogeneous strong magnetizing mediums of the present utility model that use be described below.
First, selection comprises the non-homogeneous strong magnetizing mediums of the strong magnetizing mediums of multiple footpaths level, specifically, comprise the steps: the selection of (a) medium arrangement mode: in vertical ring pulsating high gradient intensity magnetic separator sorting weak magnetic minerals process, gangue mineral will be through strong magnetizing mediums space, and weak magnetic object mineral are promoted and unload by strong magnetizing mediums absorption, realize mineral and carry out sorting according to magnetic power.Because thinner medium has higher gradient, and thinner medium can select thinner mineral also can select thicker mineral, thicker medium can only select thicker mineral grain, therefore strong magnetizing mediums according to change from inside to outside arrangement mode just for from coarse to fine.(b) thickness of medium can be selected according to the granularity thickness of selected material, before selection, first material to be selected is divided into several different footpath levels, each footpath level adopts different media to test, the mineral of every kind of granularity are filtered out to the medium diameter of beneficiating efficiency the best, the strong magnetizing mediums of the selected every kind of diameter of last composite score.(c) selection that medium thickness distributes: the distribution of thickness medium is also inhomogeneous, it is the size distribution according to material screening, varigrained mineral grain is adopted to the strong magnetizing mediums of different diameters, again according to the required dielectric surface of how many calculating of object mineral in Different Diameter level, finally according to the ratio of the media quantity of recently selecting different-diameter on the required surface of every kind of footpath level, last in the arrangement of medium in same plane (, perpendicular to the direction of ore deposit stream) on adopt the medium of same diameter as far as possible, spacing between every kind of medium is also arranged according to the thickness of ore particle, it is large that the spacing of thick diameter is wanted, spacing between thin diameter medium should be considered the absorption of mineral grain, consider that again coarse grain gangue can pass through.
Secondly, test under exciting curent according to the diameter of the selected medium of each footpath level of having determined, determine best exciting curent.
Finally, under the exciting curent of having selected, mate with the gradient of multiple particle diameter mineral by the non-homogeneous strong magnetizing mediums of having selected, described multiple particle diameter mineral are sorted, wherein, the diameter of the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums and described exciting curent are determined according to the particle diameter of the different minerals in mineral to be selected.
Now, further understand the non-homogeneous strong magnetizing mediums in the utility model and use the magnetic selection method of this medium as example take the medium designs coupling for ilmenite ore dressing and to the process of ilmenite ore dressing.
Example
According to exemplary embodiment of the present utility model, determine the specific descriptions that the step of the diameter of the strong magnetizing mediums of the multiple footpaths level in non-homogeneous strong magnetizing mediums can be by below and further know.
According in the utility model illustrative examples, the ilmenite ores material granularity that need to carry out strong magnetic separation generally, between 2-0.02mm, treats that in this interval the material of sorting is divided into 5 thickness ranks (grade) according to geometric ratio, or 3-5 grade.
The granularmetric composition of material to be selected has been shown in table 1, in addition, the grain size content of material to be selected and mated medium diameter has been shown in table 1, the calculating of the ratio of required media quantity is as shown in table 2.
Table 1 grain size content and dielectric gradient matching list
(μ m) for grade | 1500 | 540 | 180 | 60 | 20 |
Weight content (%) | 5 | 25 | 30 | 30 | 10 |
(μ m) for used medium diameter | 4035 | 1452.6 | 484.2 | 161.4 | 53.8 |
As it can be seen in table 1, the granularity of ilmenite material between 2-0.02mm (referring to the diameter of mineral aggregate) has been divided into 5 grades in this example, conceive according to the utility model, the specific implementation process of mineral material being carried out to gradient sorting is not limited to 5 grades in this example, for example, can be 3 grades.
The grade of 1500 μ m, 540 μ m, 180 μ m, 60 μ m and 20 μ m adopts respectively the medium of corresponding 5 footpath levels to carry out sorting, medium diameter used is distributed as staged, carry out particle size matching with the grade for the treatment of sorting, specifically, magnetizing mediums radius/diameter with treat that the ratio of sorting mined material material particle radius/diameter is 2.69.
The quantity of determining the required medium of each footpath level according to the diameter of the content of material to be selected, grade and corresponding magnetic separation medium has been shown in table 2.In embodiment of the present utility model, medium is the different cylinder of diameter, and the quantity of required medium is determined with the radical of required medium.
The required medium radical of table 2 ratio computational chart
(μ m) for grade | 1500 | 540 | 180 | 60 | 20 | Amount to |
Percentage by |
5 | 25 | 30 | 30 | 10 | 100 |
Medium diameter | 4035 | 1453 | 484 | 161 | 54 | ? |
Media attachment amount | 24421837500 | 1139425250 | 42200935 | 1562998 | 57889 | 25605084572 |
Medium |
5 | 562 | 18202 | 491461 | 4423150 | ? |
Different five grades of the percentage by weight listed in table 2 (represent with g, the μ of unit ilmenite ores material granularity m), percentage by weight (%) is represented by c, the medium that simultaneously shows five footpath levels (is represented by d, the μ of unit m), media attachment amount (X) is the total amount of adhering to of adhering to mineral material on single medium, and medium radical is than the ratio of radical of setting that is five kinds of media, so that mineral aggregate is carried out to sorting efficiently.
The step that explains the quantity of calculating different medium below with reference to table 2, the adhesion amount X of single medium is by formula X=d
2× g calculates, and for example, the grade of material to be selected is in the situation of 1500 μ m, is 4035 μ m according to the diameter of the required medium of determining in table 2, that is, and and 1500 μ m × 2.69=4035 μ m, the adhesion amount X=4035 of single medium
2× 1500=24421837500, required medium radical than by formula (c ÷ x) × calculate, in these cases, medium radical ratio=(5 ÷ 24421837500) × 25605084572 ≈ 5, thereby list according to the selected step to non-homogeneous strong magnetizing mediums in the method for separating of the ilmenite material with five grades of the utility model exemplary embodiment, in this exemplary embodiment, according to selected D
0-D
4non-homogeneous strong magnetizing mediums, has the mineral C of different-grain diameter
0-C
4by sorting successively.
According to exemplary embodiment of the present utility model, determine the step of the gap L between medium, can determine according to the required size of corresponding mineral in mineral to be selected.For example, according in the ilmenite material of the utility model exemplary embodiment, maximum particle diameter C
0the particle diameter of mineral aggregate be 1500 μ m, corresponding, the strong magnetizing mediums D of maximum diameter level
0gap L between the medium of this one-level
0can not be lower than 1500 μ m.
In addition, in the time adopting according to the non-homogeneous strong magnetizing mediums of the utility model exemplary embodiment, can also carry out Wear-resistant Treatment at dielectric surface, or to the separately assembling of thinner medium part.Therefore, in the time that medium is thinner, in the very fast situation of Mediawear, can be convenient to frequent replacing, improve the utilization rate of medium, and the medium of separately changing different abrasion conditions can carry out the sorting of mineral, and precision is accurate to be controlled.Also can find out in addition the required thick medium that calculates seldom and thin medium is a lot, specific design according to circumstances while specifically carrying out medium designs for concrete sample ore.
According to exemplary embodiment of the present utility model, determine the step of exciting curent, during for certain concrete mineral, first sift out each grade of design, carry out the experiment that sorts of different exciting curents with the strong magnetic machine of the medium that its coupling is installed respectively, calculate the comprehensive sorting index under several different exciting curents according to experimental data, more relatively which exciting curent it adopts best.For example, according to the ilmenite material of the utility model exemplary embodiment, sift out five grades of design, carry out the experiment that sorts of different exciting curents with the strong magnetic machine of the medium that five footpath levels of mating from these five grades are installed respectively, final definite exciting curent adopting.
According to exemplary embodiment of the present utility model, adopt non-uniform dielectric of the present utility model, comprise the magnetic plant of this medium and use the magnetic selection method of this medium, can significantly improve the beneficiating efficiency of intensity magnetic separator sorting weak magnetic minerals, effectively reduce tailings grade, improve concentrate grade, under the condition of same exciting curent, realize the gradient coupling of every kind of particle diameter mineral, realize the optimization of strong magnetic operation.
To sum up, this utility model relates to the improvement of the strong magnetizing mediums of intensity magnetic separator, existing strong magnetizing mediums can not be realized the gradient coupling to varigrained mineral grain at present, still can not reach the high efficiency of high intensity magnetic separation in production, the strong magnetizing mediums that when medium of intensity magnetic separator is made sorting by the utility model, upper and lower medium is different and distribution also distributes by the requirement of gradient coupling, flow in the process through medium in ore deposit, coarse grain mineral are adsorbed on thick above medium, fine mineral is adsorbed on thinner below medium, thereby realize varigrained mineral grain and all realize gradient coupling, can improve to the full extent the efficiency of separation of high intensity magnetic separation, industrial implementation is easy, effect is remarkable.
Although shown embodiment of the present utility model, in the situation that not departing from the utility model scope, can carry out various modifications to embodiment.Scope of the present utility model is limited by claim and equivalent thereof.
Claims (8)
1. a non-homogeneous strong magnetizing mediums, it is characterized in that, described non-homogeneous strong magnetizing mediums comprises the strong magnetizing mediums of arranging inhomogeneous multiple footpaths level, for realize the gradient coupling of multiple particle diameter mineral under same exciting curent, the radius of the strong magnetizing mediums of each footpath level is 2.69 with the ratio of the radius for the treatment of sorting mined material.
2. non-homogeneous strong magnetizing mediums as claimed in claim 1, is characterized in that, in the direction that the diameter of the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums flows at mineral, arranges in gradient.
3. non-homogeneous strong magnetizing mediums as claimed in claim 2, is characterized in that, in the direction that the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums flows at mineral, arranges from coarse to fine by the diameter of medium.
4. non-homogeneous strong magnetizing mediums as claimed in claim 1, is characterized in that, the quantity difference of the strong magnetizing mediums of each footpath level in the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums.
5. non-homogeneous strong magnetizing mediums as claimed in claim 1, is characterized in that, the gap difference between the strong magnetizing mediums of each footpath level in the strong magnetizing mediums of the multiple footpaths level in described non-homogeneous strong magnetizing mediums.
6. non-homogeneous strong magnetizing mediums as claimed in claim 1, is characterized in that, described non-homogeneous strong magnetizing mediums comprises 3-7 footpath level.
7. non-homogeneous strong magnetizing mediums as claimed in claim 6, is characterized in that, described non-homogeneous strong magnetizing mediums comprises 3-5 footpath level.
8. a magnetic plant, is characterized in that, described magnetic plant comprises the non-homogeneous strong magnetizing mediums as described in any one claim in claim 1 to 7.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103736587A (en) * | 2013-12-17 | 2014-04-23 | 攀钢集团矿业有限公司 | Inhomogeneous strong magnetic media, magnetic separation equipment and magnetic separation method |
CN111790520A (en) * | 2019-08-05 | 2020-10-20 | 潍坊奇为新材料科技有限公司 | Magnetic conductive medium for high-gradient magnetic separation chamber |
-
2013
- 2013-12-17 CN CN201320832701.2U patent/CN203663999U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103736587A (en) * | 2013-12-17 | 2014-04-23 | 攀钢集团矿业有限公司 | Inhomogeneous strong magnetic media, magnetic separation equipment and magnetic separation method |
CN103736587B (en) * | 2013-12-17 | 2016-06-08 | 攀钢集团矿业有限公司 | Non-homogeneous strong magnetizing mediums, magnetic plant and magnetic selection method |
CN111790520A (en) * | 2019-08-05 | 2020-10-20 | 潍坊奇为新材料科技有限公司 | Magnetic conductive medium for high-gradient magnetic separation chamber |
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Granted publication date: 20140625 Termination date: 20161217 |