CN105728185B - Serial graded magnetic separator - Google Patents
Serial graded magnetic separator Download PDFInfo
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- CN105728185B CN105728185B CN201610169695.5A CN201610169695A CN105728185B CN 105728185 B CN105728185 B CN 105728185B CN 201610169695 A CN201610169695 A CN 201610169695A CN 105728185 B CN105728185 B CN 105728185B
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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
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/22—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with non-movable magnets
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Abstract
Set one-level sorting belt, first-level transport belt, two level sorting belt and two-stage conveying belt successively from top to bottom the invention discloses a kind of serial graded magnetic separator, including frame, in the frame；The one-level sorting belt is located at the lower section of charging aperture, and the delivery end of one-level sorting belt is provided with Pao Wei mechanisms one, sorting magnetic system one is provided with the inside of the lower belt of the one-level sorting belt；The sorting magnetic system one covers the delivery end of first-level transport belt；The delivery end of the feeding end covering first-level transport belt of the two level sorting belt, the delivery end of the two level sorting belt are provided with Pao Wei mechanisms two, the unloading range of the feeding end covering Pao Wei mechanisms two of the two-stage conveying belt.The present invention tandem stage magnetic separator is simple in construction, wide adaptation range, both can guarantee that finished product ore deposit grade and can improved the rate of recovery, suitable for the sorting of the industries such as metallurgy, mine, chemical industry magnetic mineral after milling equipment grinding.
Description
Technical field
The present invention relates to mine magnetic plant field, more particularly to a kind of serial graded magnetic separator.
Background technology
China's iron ore deposit is relatively abundant, but lean ore is more, rich ore is few, thus nearly all iron ore will by sort with
Improve the grade and utilization rate of raw material.When being sorted using dry-type magnetic extractor, because ore disseminated grain size is uneven, in order to obtain
Higher grade, generally crushed by minimum disseminated grain size, so that the iron mineral that a part reaches monomer dissociation produces not
It is necessary overground, cause the loss of metal and the increase of energy consumption；Simultaneously as valuable mineral is overground serious, although weak magnetic operation
It is preferable to reclaim iron ore effect, but to be mingled with phenomenon serious for gangue, in order to upgrade, has to reduce the rate of recovery, so as to cause
Tailings grade is higher.In other words, existing dry-type magnetic extractor can not solve the contradiction between finished product ore deposit grade and the rate of recovery.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of simple in construction, wide adaptation range,
Both it can guarantee that finished product ore deposit grade and can improved the tandem stage magnetic separator of the rate of recovery.The magnetic separator of the present invention be applied to it is metallurgical,
The sorting of the industries such as mine, chemical industry magnetic mineral after milling equipment grinding, be particularly suitable for use in the ore deposit after high-pressure roller mill extrudes
The sorting of powder.
The technical solution adopted by the present invention is as follows：A kind of serial graded magnetic separator, including frame, in the frame from it is upper from
Under set one-level sorting belt, first-level transport belt, two level sorting belt and two-stage conveying belt successively；The one-level sorts belt
Positioned at the lower section of charging aperture, the delivery end of one-level sorting belt is provided with Pao Wei mechanisms one, the lower belt of the one-level sorting belt
Inner side is provided with sorting magnetic system one, and demagnetizing region is provided between the Pao Wei mechanisms one and sorting magnetic system one；The one-level sorts belt
Lower section is provided with first-level transport belt, the unloading range of the feeding end covering Pao Wei mechanisms one of the first-level transport belt, described point
Magnetic system one is selected to cover the delivery end of first-level transport belt；The lower section of the first-level transport belt is provided with two level sorting belt, described
The delivery end of the feeding end covering first-level transport belt of two level sorting belt, the delivery end of the two level sorting belt, which is provided with, throws tail
Mechanism two, the lower section of two level sorting belt are provided with two-stage conveying belt, and tail machine is thrown in the feeding end covering of the two-stage conveying belt
The unloading range of structure two.
Due to the setting of said structure, first, material falls into one-level sorting belt upper surface from charging aperture and transported with belt
Row reaches Pao Wei mechanisms one, and magnetic material is attracted in Pao Wei mechanisms one and non-magnetic material is then thrown under the action of the centrifugal force
Enter mine tailing mouth, realize magnetic material and non-magnetic material separation.Due to being provided with de- magnetic between Pao Wei mechanisms one and sorting magnetic system one
Area, magnetic material fall into the feeding end of first-level transport belt after departing from magnetic working scope；Further, magnetic material passes through one-level
When belt conveyor is transported to the working range of sorting magnetic system one, strongly magnetic material is sorted magnetic system one and adsorbed in one-level sorting skin
The hypodermis belt surface of band simultaneously falls into concentrate mouth with belt operation, and weakly magnetic material then falls on two fractions with the operation of first-level transport belt
Select on belt, realize to strongly magnetic material and weakly magnetic material sorting；Finally, weakly magnetic material is run to two level sorting belt
Pao Wei mechanisms two, realize the sorting of weakly magnetic material and non-magnetic material again in the presence of Pao Wei mechanisms two, i.e., it is non magnetic
Material is thrown into mine tailing mouth under the action of the centrifugal force, and weakly magnetic material is then fallen on the two-stage conveying belt of the lower section of Pao Wei mechanisms two
And continue to sort.
Sorting magnetic system two is provided with the inside of the lower belt of two level sorting belt, is sorted same between magnetic system two and Pao Wei mechanisms two
Provided with demagnetizing region, the feeding end of two-stage conveying belt is fallen into after magnetic material disengaging magnetic working scope；Further, magnetic material
When being transported to the working range of sorting magnetic system two by two-stage conveying belt, strongly magnetic material is sorted magnetic system two and adsorbed two
The hypodermis belt surface of level sorting belt simultaneously falls into middle mine mouth with belt operation, and the material of pole weak magnetic can then pass through two-stage conveying skin
The delivery end of band and be thrown into mine tailing mouth.
In order that the sorting of strong magnetic and weak magnetic is better achieved in sorting magnetic system one, the sorting magnetic system one is provided with multiple magnetic
The different field regions of field intensity.When magnetic material enters the working range of sorting magnetic system one, the less ferromagnetism of average grain diameter
Material by magnetic field capture and be attached to one-level sorting belt hypodermis belt surface on, and average grain diameter it is larger be then covered in particle diameter
Less surface of material.The magnetic material being attracted on one-level sorting belt is transported to the relatively weak magnetic place of sorting magnetic system one
When, particle diameter larger magnetic material in part will be fallen on first-level transport belt because self gravitation is more than magnetic attraction, when one
When the magnetic material of whereabouts is delivered to next area compared with high-intensity magnetic field by level belt conveyor, the larger magnetic material of particle diameter can be inhaled again
Rise, so ,-falling-process picked up is constantly picked up by sorting magnetic system a pair of magnetic material so that magnetic material obtains more
The chance of secondary sorting, the layering of particle diameter of the magnetic material on one-level sorting belt longitudinal direction from top to bottom, from small to large is realized, is entered
And realize the sorting of strong magnetic and weak magnetic.Meanwhile constantly pick up-falling-process picked up in sorting magnetic system a pair of magnetic material
In, it is miscellaneous with magnetic clutch to solve the problems, such as that magnetic material disk pack is wrapped up in so that the concentrate grade that one-level sorting belt sorts out is significantly
Lifting.
Further, in order that sorting magnetic system one preferably has the different field regions of multiple magnetic field intensities, the sorting magnetic
It is one to be made up of multiple small magnetic systems, the magnetic field intensity being adjacent between small magnetic system is different, to be formed with different magnetic field intensity
Field regions.
Further, in order that the layering of magnetic material ferromagnetism in the vertical to weak magnetic is clearly more demarcated, magnetic system is sorted
One outside is provided with magnetic system governor motion.The position of each small magnetic system can be adjusted respectively for the mechanism so that each small magnetic system because
It is different and there is different magnetic force to material from the distance of one-level sorting belt, so that each small magnetic system is easier to material production
Raw different magnetic field intensity, and then realize layering of ferromagnetism of the magnetic material on one-level sorting belt longitudinal direction to weak magnetic.
Further, gap is provided between two neighboring small magnetic system, gap location is provided with carrying roller., can be with due to the setting of carrying roller
Parabolic path when adjustment material moves between strong and weak magnetic region, that is, adjust when magnetic material enters weak magnetic area from strong magnetic area
Throwing angle and weak magnetic area enter suction angle during strong magnetic area, further promote point of the magnetic material on one-level sorting belt
Layer.
Similarly, in order to sort the sorting that weak magnetic and pole weak magnetic is better achieved in magnetic system two, the sorting magnetic system two is set
There are the different field regions of multiple magnetic field intensities, when weakly magnetic material enters the working range of sorting magnetic system two, weakly magnetic material
Captured and be attached on the hypodermis belt surface of two level sorting belt by magnetic field, and pole weakly magnetic material is then covered in weakly magnetic material
Surface.When the weakly magnetic material being attracted on two level sorting belt is transported to the relatively weak magnetic place of sorting magnetic system two, part
Pole weakly magnetic material will be fallen on two-stage conveying belt because self gravitation is more than magnetic attraction, when two-stage conveying belt is by under
When the pole weakly magnetic material fallen is delivered to next area compared with high-intensity magnetic field, pole weakly magnetic material can be picked up again, so, pass through sorting
The process picked up that magnetic system two constantly picks up to magnetic material-falling-so that magnetic material obtains the chance repeatedly sorted, real
Existing magnetic material on two level sorting belt longitudinal direction from top to bottom, the layering of weak magnetic extremely weak magnetic, and then realize weak magnetic
With the sorting of pole weak magnetic.Meanwhile-falling-is constantly picked up to magnetic material in sorting magnetic system two and during picking up, is solved
Magnetic material disk pack wrap up in magnetic clutch it is miscellaneous the problem of so that the chats grade that sorts out of two level sorting belt greatly promotes.In addition,
The structure for sorting magnetic system two can be identical with sorting the structure of magnetic system one, can also be different, but sorts the magnetic field intensity of magnetic system two
It is greater than the magnetic field intensity of sorting magnetic system one, so that the sorting to weakly magnetic material is better achieved.
In order that the separation to magnetic material and non-magnetic material, the Pao Wei mechanisms can be better achieved in Pao Wei mechanisms one
One, which includes a magnetization, takes turns one, and fixed magnetic system is provided with the magnetization wheel one.Throwing tail is carried out by magnetizing a pair of materials of wheel, can be with
Make full use of centrifugal force, gravity and the magnetic force suffered by material so that magnetic material and non-magnetic material sorting are thorough, as far as possible
Influence of the non-magnetic material to subsequent handling is reduced, while avoids the repetition magnetic separation to non-magnetic material, to reduce energy consumption, is improved
Mineral grade.
Similarly, in order that Pao Wei mechanisms two preferably can carry out weak magnetic and nonmagnetic separation, the throwing to material
Tail mechanism two includes a magnetization and takes turns two, is provided with fixed magnetic system in the magnetization wheel two so that weakly magnetic material and nonmagnetics
Material realizes separation, and then obtains containing field trash magnetic material as few as possible, being advantageous to the further processing to magnetic material.
In order to further improve separating effect, on the inside of the upper belt of one-level sorting belt and two level sorts the epithelium of belt
Band inner side is provided with carrying roller, and the effect of carrying roller is on the one hand can to slow down the abrasion of belt, and on the other hand, one-level sorts the upper of belt
After the sorted magnetic system one of carrying roller on the inside of belt magnetizes, make carrying roller that there is the function of magnet, material sorts the upper of belt in one-level
Fang Shi, due to the collective effect of carrying roller after the vibration and magnetization of belt, preenrichment can be carried out to material so that when postorder throws tail,
Magnetic material and non-magnetic material separate more thorough, and then improve separating effect.Similarly, the upper belt of two level sorting belt
The sorted magnetic system two of carrying roller of inner side can also reach above-mentioned effect after magnetizing.
In order that technical scheme is effectively carried out, the outside of Pao Wei mechanisms one is correspondingly provided with mine tailing mouth, point
The delivery end of magnetic system one is selected to be provided with concentrate mouth, the outside of Pao Wei mechanisms two corresponds to mine tailing mouth, the delivery end pair of two-stage conveying belt
Answer mine tailing mouth.Demagnetizing region is provided between Pao Wei mechanisms one and sorting magnetic system one, the feeding end covering of the first-level transport belt is thrown
The unloading range of tail mechanism one, so that the magnetic material thrown after tail entirely falls in first-level transport belt；The sorting magnetic system one is covered
The delivery end of lid first-level transport belt is simultaneously provided with concentrate mouth below the delivery end of sorting magnetic system one；Pao Wei mechanisms two and sorting magnetic
It is that demagnetizing region is provided between two, the unloading range of the feeding end covering Pao Wei mechanisms two of two-stage conveying belt, so that after throwing tail
Magnetic material entirely falls in two-stage conveying belt；Sort magnetic system two and cover the delivery end of two-stage conveying belt and in sorting magnetic system two
Delivery end below be provided with middle mine mouth.
In the present invention, two level sorting belt and two-stage conveying belt composition multi-stage magnetic separation device, two-stage conveying belt
Under can be provided with several multi-stage magnetic separation devices, to obtain the product of a variety of different grades, and then can be carried out according to being actually needed
Regulation, to reach the purpose for adapting to needs of production.
The serial graded magnetic separator of the present invention is particularly suitable for use in the sorting of after high-pressure roller mill extrudes miberal powder.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, by using the strong and weak alternate magnetic system arrangement in magnetic field, magnetic separator is made to realize mineral according to the particle diameter of mineral
Varigrained concentrate layering, it is miscellaneous with magnetic clutch effectively to solve the problems, such as that disk pack is wrapped up on magnetic separation belt longitudinal direction；Magnetic system governor motion
Setting, can be easier to realize regulation of the magnetic system to material amount of force, be more beneficial for realizing mineral in magnetic separation belt longitudinal direction
Upper varigrained concentrate layering；The setting of carrying roller, parabolic motion when material moves between strong and weak magnetic region can be adjusted
Track, further promotes the layering of material, that is, adjusts material throwing angle of material and by weak when entering weak magnetic area from strong magnetic area
Magnetic region enters suction angle during strong magnetic area；
2nd, by setting two level to sort belt, can obtain containing gangue, field trash chats as few as possible, while make chats
Grade it is more consistent, secondary middle mineral content is few（Pole weak magnetic mineral content is few）, be advantageous to the subsequent treatment of chats；
3rd, by selection two-stage or two-stage above magnetic separation structure, increase magnetic separation number, the product of different grades can be obtained,
Improve the grade of same rank mineral；
4th, by the way of multiple magnetic separation and throwing tail are combined, it can be spilled over most mine tailings in material, obtain essence
Ore deposit to chats difference grade product；Meanwhile during magnetic separation, mine tailing will not be repeated to enter sorting step, reduce electricity
Can loss.
5th, serial graded magnetic separator of the invention is simple in construction, wide adaptation range, both can guarantee that finished product ore deposit grade and can carried
High-recovery, suitable for the sorting of the industries such as metallurgy, mine, chemical industry magnetic mineral after milling equipment grinding, it is particularly suitable for use in
The sorting of miberal powder after high-pressure roller mill extrudes, while complete machine passes through integrated setting, compact-sized, equipment volume, weight
More optimize, live occupied area is few.
Brief description of the drawings
Fig. 1 is a kind of front view of serial graded magnetic separator of the present invention；
Fig. 2 is a kind of another situation of serial graded magnetic separator of the present invention；
Fig. 3 is that the small magnetic system in the sorting magnetic system one of the present invention is arranged side by side schematic diagram；
Fig. 4 is that the small magnetic system in the sorting magnetic system one of the present invention is serrated arrangement schematic diagram；
Fig. 5 is small magnetic system and carrying roller arranged for interval arrangement schematic diagram in the sorting magnetic system one of the present invention；
Fig. 6 is that the small magnetic system in the sorting magnetic system one of the present invention is arranged with the arrangement of carrying roller arranged for interval and small magnetic system in ladder
Schematic diagram；
Fig. 7 is that the outside of the sorting magnetic system one of the present invention is provided with the structural representation of magnetic system governor motion；
Fig. 8 is that the outside of the sorting magnetic system one of the present invention is provided with the schematic diagram of magnetic system governor motion and carrying roller.
Marked in figure：1 is charging aperture, and 2 be frame, and 3 be that one-level sorts belt, and 4 be first-level transport belt, and 5 be two fractions
Select belt, 6 be two-stage conveying belt, and 7 be Pao Wei mechanisms one, and 8 be Pao Wei mechanisms two, and 9 be magnetization wheel one, and 10 be drive, 11
It is sorting magnetic system one for magnetization wheel two, 12,13 be carrying roller, and 14 be deviation switch, and 15 be speed measurement switch, and 16 be weighing sensor,
17 be the mouth that gathers dust, and 18 be sorting magnetic system two, and 19 be magnetic system governor motion, and 20 be magnetic material, and 1201,1202,1211,1212 are
Small magnetic system, 201 be strongly magnetic material, and 202 be weakly magnetic material, and 203 be pole weakly magnetic material, and 21 be concentrate mouth, and 22 be chats
Mouthful, 23 be mine tailing mouth.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
Embodiment one
As shown in figure 1, a kind of serial graded magnetic separator, including frame 2, one-level is set successively from top to bottom in the frame 2
Sort belt 3, first-level transport belt 4, two level sorting belt 5 and two-stage conveying belt 6；One-level sorting belt 3 be located at into
The lower section of material mouth 1, the delivery end of one-level sorting belt 3 are provided with Pao Wei mechanisms 1, and the one-level is sorted in the lower belt of belt 3
Side is provided with sorting magnetic system 1, and demagnetizing region is provided between the Pao Wei mechanisms 1 and sorting magnetic system 1；The one-level sorts skin
The lower section of band 3 is provided with first-level transport belt 4, and the feeding end of the first-level transport belt 4 covers the unloading range of Pao Wei mechanisms 1,
The sorting magnetic system 1 covers the delivery end of first-level transport belt 4；The lower section of the first-level transport belt 4 sorts provided with two level
Belt 5, the delivery end of the feeding end covering first-level transport belt 4 of the two level sorting belt 5, the two level sorting belt 5
Delivery end is provided with Pao Wei mechanisms 28, and the lower section of two level sorting belt 5 is provided with two-stage conveying belt 6, the two-stage conveying belt 6
Feeding end covering Pao Wei mechanisms 28 unloading range.
Specifically, the outside of Pao Wei mechanisms 1 is correspondingly provided with mine tailing mouth 23, and the delivery end of sorting magnetic system 1 is provided with essence
Mine mouth 21, the outside of Pao Wei mechanisms 28 correspond to mine tailing mouth 23, and the delivery end of two-stage conveying belt 6 corresponds to mine tailing mouth 23.Throw tail machine
Demagnetizing region is provided between structure 1 and sorting magnetic system 1, the feeding end covering Pao Wei mechanisms 1 of the first-level transport belt 4
Unloading range, so that the magnetic material 20 thrown after tail entirely falls in first-level transport belt 4；The sorting magnetic system 1 covers one-level
The delivery end of belt conveyor 4 is simultaneously provided with concentrate mouth 21 below the delivery end of sorting magnetic system 1；Pao Wei mechanisms 28 and sorting magnetic
It is that demagnetizing region is provided between 2 18, the unloading range of the feeding end covering Pao Wei mechanisms 28 of two-stage conveying belt 6, so as to throw tail
Magnetic material afterwards entirely falls in two-stage conveying belt 6；Magnetic system 2 18 is sorted to cover the delivery end of two-stage conveying belt 6 and dividing
Select and be provided with middle mine mouth 22 below the delivery end of magnetic system 2 18.
As shown in figure 1, the delivery end of one-level sorting belt 3 refers to that one-level sorts belt 3 along the operation side of its upper belt
To end, the delivery ends of Pao Wei mechanisms 1 refers to that magnetic material 20 starts the disengaging position for departing from the one-level sorting delivery end of belt 3
Put, the magnetic material 20 that the unloading range of Pao Wei mechanisms 1 refers to be attached in Pao Wei mechanisms 1 departs from Pao Wei mechanisms 1
Disengagement zone, wherein, the outside of the delivery end of one-level sorting belt 3 corresponds to mine tailing mouth 23；The feeding end of first-level transport belt 4 is
Refer to positioned at the lower section of the one-level sorting delivery end of belt 3, and be close to one end of mine tailing mouth 23, the delivery end of first-level transport belt 4
Refer to first-level transport belt 4 along the end of belt direction of travel thereon；The delivery end of sorting magnetic system 1 refers to sort magnetic system 1
Close to one end of charging aperture side；The feeding end of two level sorting belt 5 refers to the lower section for being located at the delivery end of first-level transport belt 4, and
Close to one end of the sorting delivery end of magnetic system 1, the delivery end of two level sorting belt 5 refers to that two level sorts belt 5 along its epithelium
End with traffic direction.The feeding end of two-stage conveying belt 6 refers to positioned at the lower section of the two level sorting delivery end of belt 5, and leans on
One end of nearly mine tailing mouth 23, the delivery end of two-stage conveying belt 6 refer to end of the two-stage conveying belt 6 along belt direction of travel thereon
End, it is opposite with the position of the feeding end of two-stage conveying belt 6；The delivery end of sorting magnetic system 2 18 refers to that sorting magnetic system 2 18 is close
One end of charging aperture side.
As shown in figure 1, Pao Wei mechanisms 1, which include a magnetization, takes turns 1, fixed magnetic system is provided with magnetization wheel 1, works as material
When operation is to Pao Wei mechanisms 1, the fixation magnetic system that magnetic material 20 is magnetized in wheel 1 captures, and is entrained into first-level transport skin
With 4 feeding end, and non-magnetic material then in throwing tail to mine tailing mouth 23, can be realized magnetic material and non-due to effect of inertia
The sorting of magnetic material.
When magnetic material 20 follows one-level sorting belt 3 to turn to the lower section of one-level sorting belt 3 together, belt will more
Come further away from magnetization wheel 1, cause magnetization wheel one 9 pairs of magnetic materials magnetic attraction it is more and more weaker, and then cause magnetic material by
Gradually split away off, and fall on first-level transport belt 4 from one-level sorting belt 3, i.e., magnetic material 20 enters Pao Wei mechanisms
Demagnetizing region between one 7 and sorting magnetic system 1.With the conveying of belt conveyor 4, magnetic material 20 is sent to sorting magnetic system one
During 12 working range, strongly magnetic material 201 be sorted magnetic system 1 absorption one-level sorting belt 3 hypodermis belt surface and with
Belt is run in the concentrate mouth 21 to the delivery end of sorting magnetic system 1, eventually fallen into below the sorting delivery end of magnetic system 1, and
Weakly magnetic material 202 and part non-magnetic material are then run to the delivery end of first-level transport belt 4 with first-level transport belt 4, most
Fall into the feeding end of the two level sorting belt 5 below the delivery end of first-level transport belt 4, realized to the He of strongly magnetic material 201 eventually
The sorting of weakly magnetic material 202.
Pao Wei mechanisms 28 include a magnetization and take turns 2 11, and magnetization is taken turns and fixed magnetic system is provided with 2 11, outside Pao Wei mechanisms 28
The lower section of side corresponds to mine tailing mouth 23；After weakly magnetic material 202 and non-magnetic material enter the feeding end of two level sorting belt 5,
Through two level sorting belt 5 transport, when transport to Pao Wei mechanisms 28 when, weakly magnetic material 202 be magnetized wheel 2 11 in fixation
Magnetic system captures, and is attached on two level sorting belt 5 and together rotates, and most falls into the lower section of two level sorting belt 5 after taking off magnetic afterwards
In the feeding end of two-stage conveying belt 6, and the non-magnetic material in weakly magnetic material 202 then can be due to effect of inertia, by throwing tail
To mine tailing mouth 23, the sorting of weakly magnetic material 202 and non-magnetic material is realized.
When magnetic material follows two level sorting belt 5 to turn to the lower section of two level sorting belt 5 together, belt will be more next
Further away from magnetization wheel 2 11, cause magnetization wheel 2 11 pairs of magnetic materials magnetic attraction it is more and more weaker, and then cause magnetic material by
Gradually split away off, and fall on two-stage conveying belt 6 from two level sorting belt 5, i.e., magnetic material enters Pao Wei mechanisms 28
With the demagnetizing region between sorting magnetic system 2 18.With the conveying of two-stage conveying belt 6, magnetic material is sent to sorting magnetic system 2 18
Working range when, weakly magnetic material 202 be sorted magnetic system 2 18 absorption two level sorting belt 5 hypodermis belt surface and with skin
With operation to the delivery end for sorting magnetic system 2 18, eventually fall into the middle mine mouth 22 below the sorting delivery end of magnetic system 2 18, and pole
Weakly magnetic material 203 and part non-magnetic material are then run to the delivery end of two-stage conveying belt 6 with two-stage conveying belt 6, most
Fall into the mine tailing mouth 23 below the delivery end of two-stage conveying belt 6, realized to weakly magnetic material 202 and pole weakly magnetic material eventually
203 sorting.
In order that the sorting of strong magnetic and weak magnetic is better achieved in sorting magnetic system 1, the sorting magnetic system 1 is provided with more
The different field regions of individual magnetic field intensity.When magnetic material 20 enters sorting one 12 working range of magnetic system, average grain diameter is less
Strongly magnetic material 201 is captured by magnetic field and is attached to one-level sorting belt 3 surface, and the weakly magnetic material that average grain diameter is larger
202 and pole weakly magnetic material 203 be then covered in the less surface of strongly magnetic material 201 of particle diameter.It is attracted to one-level sorting belt 3
On magnetic material 20 when being transported to compared with weak magnetic place, part particle diameter larger weakly magnetic material 202 and pole weakly magnetic material
203 will fall on first-level transport belt 4 because self gravitation is more than magnetic attraction, when first-level transport belt 4 is by the magnetic of whereabouts
Property material when being delivered to next area compared with high-intensity magnetic field, the larger weakly magnetic material 202 of particle diameter and pole weakly magnetic material 203 again can quilts
Pick up, so ,-falling-process picked up so that magnetic material is constantly picked up by sorting one 12 pairs of magnetic materials 20 of magnetic system
20 obtain the chance that repeatedly sorts, realize particle diameter of the magnetic material 20 on one-level sorting belt 3 longitudinal direction from top to bottom, strong magnetic extremely
The layering of weak magnetic, and then realize the sorting of strong magnetic and weak magnetic.Meanwhile constantly inhaled in sorting one 12 pairs of magnetic materials 20 of magnetic system
During rise-falling-picking up, it is miscellaneous with magnetic clutch to solve the problems, such as that the disk pack of magnetic material 20 is wrapped up in so that one-level sorting belt 3 divides
The concentrate grade elected greatly promotes.
In the present embodiment, in order that sorting magnetic system 1 preferably has the different field regions of multiple magnetic field intensities, institute
State sorting magnetic system 1 to be made up of multiple small magnetic systems, the magnetic field intensity being adjacent between small magnetic system is different, has difference to be formed
The field regions of magnetic field intensity.
In the present embodiment, in order that ferromagnetism of the magnetic material 20 on one-level sorting belt 3 longitudinal direction is to weak magnetic
Layering is clearly more demarcated, and the outside of sorting magnetic system 1 is provided with magnetic system governor motion 19.The mechanism can be respectively to the position of each small magnetic system
It is adjusted so that each small magnetic system has different magnetic force to material because different from the distance of magnetic separation belt, so that respectively
Small magnetic system is easier to produce material different magnetic field intensities, and then realizes the ferromagnetism of magnetic material 20 in the vertical to weak magnetic
The layering of property, as shown in Figure 7.
In order to further promote layering of the magnetic material 20 on one-level sorting belt 3, gone back between two neighboring small magnetic system
Gap can be provided with, gap location is provided with carrying roller 13.Due to the setting of carrying roller 13, material can be adjusted and moved between strong and weak magnetic region
When parabolic path, that is, adjust throwing angle and weak magnetic area of the magnetic material 20 when entering weak magnetic area from strong magnetic area and enter strong magnetic
Suction angle during area, as shown in Figure 8.
In the present embodiment, in order to ensure that all magnetic materials 20 can be held and sorted out, the magnetization wheel 1
Magnetic field intensity be more than 3000GS, meanwhile, in order that sorting magnetic system 1 sorting function, the sorting are preferably realized to material
The magnetic field intensity scope of magnetic system 1 is 400-3000GS（The intensity level of specific magnetic field intensity is big according to the species and granularity of material
Small decision）.Similarly, in order to ensure weakly magnetic material 202 with and non-magnetic material separation, it is described magnetization take turns 2 11 magnetic field
Intensity is more than 3000GS, to ensure to obtain chats as pure as possible.
Similarly, in order that the sorting of weak magnetic and pole weak magnetic, the sorting magnetic system two is better achieved in sorting magnetic system 2 18
18 are provided with the different field regions of multiple magnetic field intensities.When magnetic material enters sorting 2 18 working range of magnetic system, weak magnetic
Material 202 is captured by magnetic field and is attached to two level sorting belt 5 surface, and pole weakly magnetic material 203 is then covered in weak Magnetic Materials
Expect 202 surfaces.When the magnetic material being attracted on two level sorting belt 5 is transported to compared with weak magnetic place, pole weakly magnetic material
203 will fall on two-stage conveying belt 6 because self gravitation is more than magnetic attraction, when two-stage conveying belt 6 is by the magnetic of whereabouts
When property material is delivered to next area compared with high-intensity magnetic field, pole weakly magnetic material 203 can be picked up again, so, by sorting magnetic system two
The process picked up that 18 pairs of magnetic materials constantly pick up-falling-so that magnetic material obtains the chance repeatedly sorted, realizes magnetic
Property particle diameter of the material on two level sorting belt 5 longitudinal direction from top to bottom, the layering of weak magnetic extremely weak magnetic, and then realize weak magnetic
With the sorting of pole weak magnetic.Meanwhile-falling-is constantly picked up during picking up in sorting 2 18 pairs of magnetic materials of magnetic system, solve
Magnetic material disk pack wrap up in magnetic clutch it is miscellaneous the problem of so that the chats grade that two level sorting belt 5 sorts out greatly promotes.
In order to further improve separating effect, on the inside of the upper belt of one-level sorting belt 3 and two level sorts the upper of belt 5
Carrying roller 13 is provided with the inside of belt, the effect of carrying roller 13 is on the one hand can to slow down the abrasion of belt, on the other hand, one-level sorting skin
After the sorted magnetic system 1 of carrying roller on the inside of upper belt with 3 magnetizes, make carrying roller 13 that there is the function of magnet, material is in a fraction
When selecting the top of belt 3, due to the collective effect of carrying roller after the vibration and magnetization of belt, preenrichment can be carried out to material so that
When postorder throws tail, magnetic material and non-magnetic material separate more thorough, and then improve separating effect.Similarly, two level sorts
The sorted magnetic system 2 18 of carrying roller 13 on the inside of the upper belt of belt 5 can also reach above-mentioned effect after magnetizing.
In the present embodiment, sorting magnetic system 2 18 can be also made up of multiple small magnetic systems, and equally may be provided with magnetic system regulation
Mechanism 19, to reach and sort the identical function of magnetic system 1, but the magnetic field intensity for sorting magnetic system 2 18 is greater than sorting magnetic system
One 12 magnetic field intensity, to guarantee to realize the sorting of weak magnetic and pole weak magnetic.
In the present embodiment, speed measurement switch 15 is additionally provided with magnetization wheel 1 and magnetization wheel 2 11, for whether detecting belt
Operating and skidding, ensure the normal operation of equipment；In addition, sort belt 3, first-level transport belt 4, two level sorting belt in one-level
5 and the belt both sides of two-stage conveying belt 6 be additionally provided with deviation switch 14, for ensuring the normal operation of equipment.In Pao Wei mechanisms
One 7 top is additionally provided with the mouth 17 that gathers dust, to ensure that equipment will not pollute to environment, while also in two-stage conveying belt 6
Weighing sensor 16 is provided with, the even running of system is ensured by the effect of weighing sensor 16 and the chain of milling equipment.
Embodiment two
Embodiment two is identical with embodiment one, and its difference is, eliminates the hypodermis for being arranged on two level sorting belt 5
Sorting magnetic system 2 18 with inner side, as shown in Fig. 2 this serial graded magnetic separator is mainly for the higher material of grade, i.e. thing
For material after one-level sorting belt 3 sorts, weakly magnetic material 202 can be by the magnetization in Pao Wei mechanisms 28 with pole weakly magnetic material 203
Take turns 2 11 and sort out completely to come and in falling on two-stage conveying belt 6 and being admitted to after departing from the working range of magnetization wheel 2 11
Mine mouth 22, thus without being sorted again, advantageously reduce equipment cost.
Embodiment three
The present embodiment is identical with embodiment one, and its difference is, in the present embodiment, has no magnetic system governor motion
19, sorting magnetic system 1 is arranged to make up by multiple small magnetic systems, and the magnetic field intensity of two neighboring small magnetic system is different, so that sorting magnetic
It is one 12 field regions with multiple different magnetic field intensity, as shown in Figure 3 and Figure 4, the magnetic of small magnetic system 1201 and small magnetic system 1202
Field intensity is different, sorts direction of the field regions of magnetic system 1 along material transportation and is divided into strong magnetic area, weak magnetic area, strong magnetic area, weak
Magnetic region etc. is alternately distributed, multiple small magnetic systems can horizontal Tile one-level sorting belt 3 inner side, also can one-level sort belt 3
Inner side be serrated arrangement, when multiple small magnetic system horizontal Tiles are in the inner side of one-level sorting belt 3, two neighboring small magnetic system
Magnetic field intensity it is different, the big small magnetic system of magnetic field intensity forms the high-intensity magnetic field area of sorting magnetic system 1, the small small magnetic of magnetic field intensity
System forms the weak magnetic place of sorting magnetic system 1；It is two neighboring when multiple small magnetic systems are serrated arrangement on the inside of belt
The magnetic field intensity of small magnetic system can be different, can also be identical, on same vertical direction, the relatively low small magnetic system 1201 in position and small
Magnetic system 1202（That is the lowermost end of zigzag fashion）Form the high-intensity magnetic field area of sorting magnetic system 1, the higher He of small magnetic system 1211 in position
Small magnetic system 1212（That is the most significant end of zigzag fashion）Form the weak magnetic place of sorting magnetic system 1.
Correspondingly, the outside for sorting magnetic system 2 18 can also have magnetic system governor motion 19, can also not have, in other words,
Sort magnetic system 2 18 also have sorting magnetic system 1 several permutation and combination methods, sorting magnetic system 1 and sorting magnetic system 2 18 that
Arrangement mode between this is independent of each other, i.e., when the small magnetic system for sorting magnetic system 1 is distributed in horizontal Tile, sorts magnetic system two
18 can be in that horizontal Tile is distributed, and can also be serrated arrangement；When sorting the small magnetic system zigzag arrangement of magnetic system 1, magnetic is sorted
Be 2 18 can be in horizontal Tile be distributed, can also be serrated arrangement.
Example IV
The present embodiment is identical with embodiment one and embodiment three, and its difference is, the magnetic field for sorting magnetic system 1 is strong
Degree distribution except power alternately in addition to, in the direction conveyed along material its be also on the whole by by force to weak Distribution of Magnetic Field, namely
It is to say, the direction conveyed per two adjacent spaced apart its magnetic field intensities of high-intensity magnetic field area along material reduces, preceding strong
The magnetic field intensity of field regions is more than the magnetic field intensity in posterior high-intensity magnetic field area, as shown in Figure 3 and Figure 4, what small magnetic system 1201 was formed
High-intensity magnetic field area is more than the high-intensity magnetic field area that small magnetic system 1202 is formed, and in weak magnetic place, every two adjacent spaced apart weak magnetics
The direction that its magnetic field intensity of place conveys along material reduces or constant, i.e., the weak magnetic place and small magnetic that small magnetic system 1211 is formed
The weak magnetic place for being 1212 formation can be with identical, can also be different, but its magnetic field intensity will be significantly less than the magnetic field in high-intensity magnetic field area
Intensity, so can also reach with the identical good effect of embodiment one, for the sorting magnetic system 2 18 in the present embodiment, sort magnetic
Be 2 18 can be in horizontal Tile be distributed, can also be serrated arrangement, can also be with the sorting magnetic system 1 in the present embodiment
Arrangement mode is identical.
Embodiment five
Embodiment five is identical with embodiment three and example IV, and its difference is, the sorting magnetic system in the present embodiment
One 12 are alternately arranged and are formed by multiple small magnetic systems and carrying roller 13, in other words, the high-intensity magnetic field of small magnetic system composition sorting magnetic system 1
Area, and the non-magnetic place of the composition sorting magnetic system 1 of carrying roller 13, as shown in Figure 5 and Figure 6, carrying roller 13 is located at two neighboring small magnetic system
Between gap location, the gap length of gap location is smaller.During magnetic separation, magnetic material 20 is conveyed by first-level transport belt 4 first
To the high-intensity magnetic field area scope of sorting magnetic system 1, magnetic material 20 is picked up, and is attached on one-level sorting belt 3, passes through one
The transport of level sorting belt 3, when magnetic material 20 enters to the lower section of carrying roller 13, due to taking off the effect of magnetic, weakly magnetic material
202 fall on first-level transport belt 4 from one-level sorting belt 3 first with pole weakly magnetic material 203, and strongly magnetic material 201
After gradually magnetic attraction is lost, parabolic motion will be done by self gravitation effect, because carrying roller 13 is between two small magnetic systems
Gap location, and the gap length of gap location is smaller, after strongly magnetic material 201 threw non-magnetic place, it does not drop down onto first-level transport also
It will enter to when on belt 4 in the range of the magnetic field intensity of next small magnetic system, and be picked up immediately, as shown in Figure 5 and Figure 6,
Now, falling into the weakly magnetic material 202 of first-level transport belt 4 can be picked up again, so by sorting the continuous of magnetic system 1
Ground picks up, and-falling-picks up process, realizes the multiple sorting to magnetic material 20, and it can also reach the various embodiments described above identical
Good effect.In addition, the magnetic field intensity between two small magnetic systems of adjacent spaces arrangement can be with identical, and can also be different, when its magnetic field
When intensity is identical, on the whole, the magnetic field distribution of sorting magnetic system 1 is strength distribution（The effect in carrying roller region is with regard to similar
Effect in a weak magnetic place）；When its magnetic field intensity difference, in two small magnetic systems of adjacent spaces arrangement, along Magnetic Materials
Expect the direction of conveying, the magnetic field intensity of first small magnetic system is more than the magnetic field intensity of posterior small magnetic system, such as schemes medium and small magnetic system
1201 magnetic field intensity is more than the magnetic field intensity of small magnetic system 1202, shows as on the whole, sorts the Distribution of Magnetic Field of magnetic system 1
It is not only that power is spaced apart, is successively decreased in its magnetic field intensity of direction conveyed along magnetic material 20 by the gradient that dies down by force, certainly,
The arrangement of its small magnetic system can be arranged side by side together, and as shown in Figure 5 or ladder is arranged, as shown in Figure 6.
It should be appreciated that sorting magnetic system 1 and sort magnetic system 2 18 building form and Distribution of Magnetic Field mode can carry out it is more
Kind combination, and the good effect that the form of this multiple combinations is reached generally is the same, therefore fall within the present invention's
Within protection domain.
In the above-described embodiments, two level sorting belt 5 and two-stage conveying belt 6 form multi-stage magnetic separation device, two-stage conveying
The lower of belt 6 can set several multi-stage magnetic separation devices, to obtain the product of a variety of different grades, in actual production, according to
Scene is actually needed, can be appropriate as some mineral grades are relatively low either higher, it is necessary to repeatedly throw tail or reduce and throw tail
Ground increases or decreases one group of concentration equipment, and it can also reach the good effect of above-mentioned individual embodiment, therefore, changing in this structure
Change should also be fallen under the scope of the present invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of serial graded magnetic separator, including frame（2）, it is characterised in that the frame（2）Inside set one successively from top to bottom
Level sorting belt（3）, first-level transport belt（4）, two level sorting belt（5）With two-stage conveying belt（6）；The one-level sorts skin
Band（3）Positioned at charging aperture（1）Lower section, one-level sorting belt（3）Delivery end be provided with Pao Wei mechanisms one（7）, a fraction
Select belt（3）Lower belt on the inside of be provided with sorting magnetic system one（12）, the Pao Wei mechanisms one（7）With sorting magnetic system one（12）Between
Provided with demagnetizing region；The one-level sorts belt（3）Lower section is provided with first-level transport belt（4）, the first-level transport belt（4）Enter
Expect end covering Pao Wei mechanisms one（7）Unloading range, it is described sorting magnetic system one（12）Cover first-level transport belt（4）Discharging
End；The first-level transport belt（4）Lower section be provided with two level sorting belt（5）, the two level sorting belt（5）Feeding end cover
Lid first-level transport belt（4）Delivery end, the two level sorts belt（5）Delivery end be provided with Pao Wei mechanisms two（8）, two fractions
Select belt（5）Lower section be provided with two-stage conveying belt（6）, the two-stage conveying belt（6）Feeding end covering Pao Wei mechanisms two
（8）Unloading range, sort magnetic system one（12）Direction strong magnetic area and weak magnetic area of the field regions along material transportation be alternately distributed.
2. serial graded magnetic separator as claimed in claim 1, it is characterised in that two level sorts belt（5）Lower belt on the inside of
Provided with sorting magnetic system two（18）.
3. serial graded magnetic separator as claimed in claim 1, it is characterised in that sorting magnetic system one（12）Outside be additionally provided with magnetic
It is governor motion（19）, the magnetic system governor motion（19）The position of each small magnetic system can be adjusted to ensure adjacent small magnetic system
Between magnetic field intensity it is different.
4. serial graded magnetic separator as claimed in claim 3, it is characterised in that the gap location between two neighboring small magnetic system is set
There is carrying roller（13）.
5. serial graded magnetic separator as claimed in claim 2, it is characterised in that sorting magnetic system two（18）It is strong provided with multiple magnetic fields
Spend different field regions.
6. serial graded magnetic separator as claimed in claim 1, it is characterised in that the Pao Wei mechanisms one（7）Including a magnetic
Change wheel one（9）, the magnetization wheel one（9）It is interior to be provided with fixed magnetic system.
7. serial graded magnetic separator as claimed in claim 1, it is characterised in that the Pao Wei mechanisms two（8）Including a magnetic
Change wheel two（11）, the magnetization wheel two（11）It is interior to be provided with fixed magnetic system.
8. serial graded magnetic separator as claimed in claim 1, it is characterised in that one-level sorts belt（3）Upper belt on the inside of
Belt is sorted with two level（5）Upper belt on the inside of be provided with carrying roller（13）.
9. the serial graded magnetic separator as described in one of claim 1-8, it is characterised in that Pao Wei mechanisms one（7）Outside it is right
Mine tailing mouth should be provided with（23）, sort magnetic system one（12）Delivery end be provided with concentrate mouth（21）, Pao Wei mechanisms two（8）Outside it is corresponding
Mine tailing mouth（23）, two-stage conveying belt（6）Delivery end correspond to mine tailing mouth（23）, Pao Wei mechanisms one（7）With sorting magnetic system one
（12）Between be provided with demagnetizing region, first-level transport belt（4）Feeding end covering Pao Wei mechanisms one（7）Unloading range, sort magnetic
It is one（12）Cover first-level transport belt（4）Delivery end；Pao Wei mechanisms two（8）With sorting magnetic system two（18）Between be provided with de- magnetic
Area, two-stage conveying belt（6）Feeding end covering Pao Wei mechanisms two（8）Unloading range, sort magnetic system two（18）Cover two level
Belt conveyor（6）Delivery end and sorting magnetic system two（18）Delivery end below be provided with middle mine mouth（22）.
10. serial graded magnetic separator as claimed in claim 9, it is characterised in that two level sorts belt（5）With two-stage conveying skin
Band（6）Form multi-stage magnetic separation device, two-stage conveying belt（6）Lower section be provided with several multi-stage magnetic separation devices.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108339663A (en) * | 2018-04-11 | 2018-07-31 | 云南华联锌铟股份有限公司 | A kind of spiral self-discharging deironing device |
| CN108787162B (en) * | 2018-06-20 | 2023-12-05 | 江阴市尚时工程装备有限公司 | Modularized dry magnetic separator |
| CN108787161B (en) * | 2018-06-20 | 2023-12-05 | 江阴市尚时工程装备有限公司 | Multistage dry-type magnet separator |
| CN108787163A (en) * | 2018-06-20 | 2018-11-13 | 江阴市尚时环境工程有限公司 | A kind of magnetic separation main conveyor of dry-type magnetic extractor |
| CN108906319B (en) * | 2018-07-04 | 2020-05-22 | 怀宁县恒源再生科技有限公司 | Waste iron retrieves and uses sorter |
| CN109351475A (en) * | 2018-08-01 | 2019-02-19 | 江苏钛谷科技有限公司 | A kind of new multistage magnetic separation and the dual ore-dressing plant of selection by winnowing |
| CN109530084B (en) * | 2018-12-03 | 2020-02-11 | 河北地质大学 | Grading and stepped separation integrated multistage dry method permanent magnetic separator for coal |
| CN115672550B (en) * | 2022-11-26 | 2023-03-14 | 潍坊百特磁电科技有限公司 | Multistage-sorting iron removal system |
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