CN216025513U - Swivel for vertical ring high-gradient magnetic separator - Google Patents
Swivel for vertical ring high-gradient magnetic separator Download PDFInfo
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- CN216025513U CN216025513U CN202122016699.9U CN202122016699U CN216025513U CN 216025513 U CN216025513 U CN 216025513U CN 202122016699 U CN202122016699 U CN 202122016699U CN 216025513 U CN216025513 U CN 216025513U
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Abstract
The utility model provides a vertical ring high gradient change for magnet separator, includes the change support body, sets up the bar-shaped soft magnetic medium that several are parallel to each other on the change support body, and its characterized in that bar-shaped soft magnetic medium's cross sectional shape is square or rhombus, and bar-shaped soft magnetic medium free rotation sets up on the change support body. Compared with the prior art, the utility model has the advantages of effectively absorbing the ferromagnetic substances with weak magnetism in the fluid, effectively magnetically separating the ferromagnetic substances with larger sizes from the magnetic separation device and preventing the ferromagnetic substances with larger sizes from blocking the magnetic separation device.
Description
Technical Field
The utility model relates to a magnetic separation technology.
Background
The existing vertical ring high gradient magnetic separator is disclosed in patent CN200810219005.8, and its structure includes a magnetic field formed by north and south opposite magnetic poles, an arc-shaped channel disposed in the magnetic field, and a rotating ring, wherein the rotating ring rotates through the arc-shaped channel with the circle center of the arc-shaped channel as the rotating shaft, and is provided with a plurality of soft magnetic strips perpendicular to the magnetic lines of force of the magnetic field, during magnetic separation, ore slurry is introduced from the inlet at one end of the arc-shaped channel and is discharged from the outlet at the other end of the arc-shaped channel, and simultaneously, the rotating ring rotates along the arc-shaped channel at a certain rotating speed, and in the arc-shaped channel, under the action of the magnetic field, the soft magnetic strips in the arc-shaped channel are magnetized, so as to absorb the iron ore powder in the ore slurry collecting tank, and the absorbed iron powder is also taken out and leaves the magnetic field to the upper surface of the concentrate as the magnetic field leaves, the magnetic force of the soft magnetic strips disappears, even if the soft magnetic strips are adsorbed on the soft magnetic strips under the action of the residual magnetism of the iron ore powder, the soft magnetic strips are also washed into the concentrate collecting tank under the action of washing water to complete the mineral separation process, although the magnetic field and the structure of the soft magnetic strips are utilized to promote the magnetic gradient of the soft magnetic strips, thereby promoting the magnetic separation effect, the magnetic separation effect is determined by the fixed distance of the soft magnetic strips, if the distance between two adjacent soft magnetic strips is too large, although the washing water can fully wash the iron ore powder down, because the distance is large, the ability of absorbing the iron ore powder is reduced because the magnetic gradient is small, and after leaving the magnetic field, the iron ore powder can easily fall from the soft magnetic strips and can not move to the upper part of the collecting tank, if the distance is too small, the iron ore powder in the magnetic gradient can be effectively absorbed, but because the distance is small, the absorbed iron ore powder can be squeezed between two adjacent soft magnetic strips and can not be washed down by the water, thereby affecting the work of absorbing the iron ore powder again.
Disclosure of Invention
The utility model aims to provide a rotating ring for a vertical ring high-gradient magnetic separator, which can effectively magnetically separate iron minerals in mineral powder, and meanwhile, the absorbed iron minerals cannot be flushed down by water because of being squeezed between two adjacent soft magnetic strips.
The utility model is realized by the following steps that the device comprises a rotating ring frame body and a plurality of parallel rod-shaped soft magnetic mediums arranged on the rotating ring frame body, and is characterized in that the cross section of each rod-shaped soft magnetic medium is square or rhombic, and the rod-shaped soft magnetic mediums are freely and rotatably arranged on the rotating ring frame body.
During magnetic separation, ore pulp is led in from an inlet at one end of an arc-shaped channel of the vertical ring high-gradient magnetic separator and led out from an outlet at the other end of the arc-shaped channel, meanwhile, a rotating ring rotates along the arc-shaped channel at a certain rotating speed, under the action of a magnetic field, a rod-shaped soft magnetic medium arranged perpendicular to magnetic lines of force of the magnetic field is magnetized in the arc-shaped channel, the magnetized rod-shaped soft magnetic medium is determined by the special shape of the magnetized rod-shaped soft magnetic medium, the magnetic force of the rod-shaped soft magnetic medium is concentrated on a water caltrop to enable the magnetic force on the water caltrop to be maximum, therefore, under the action of the maximum magnetic force and the shorter distance, the rod-shaped soft magnetic medium rotates to enable north and south pole water caltrops of two adjacent magnetized rod-shaped soft magnetic media to be opposite, so that the distance between the two adjacent rod-shaped soft magnetic media is minimum, when the ore pulp passes through the arc-shaped channel, magnetic minerals including weak magnetic minerals in the ore pulp can be absorbed by the maximum magnetic force, along with the rotation of the rotating ring out of the arc-shaped channel, the sucked magnetic minerals are also taken out and leave the magnetic field and reach the upper surface of the magnetic mineral collecting tank, the magnetic force of the rodlike soft magnetic medium disappears due to the fact that the magnetic field is left, the rodlike soft magnetic medium losing the magnetic force is in a free rotation state, even under the action of the remanence of the magnetic minerals, the posture of the rodlike soft magnetic medium is kept unchanged, however, due to the fact that the remanence acting force of the magnetic minerals is weak, the rodlike soft magnetic medium can rapidly rotate under the impact action of washing water, the distance between every two adjacent rodlike soft magnetic media is maximized, the magnetic minerals are washed into the concentrate collecting tank, and the mineral separation process is completed.
When the prior art adopts the cylindrical rod-shaped soft magnetic medium, the ratio of the diameter of the rod-shaped soft magnetic medium to the diameter of the magnetic mineral is generally about 2, so that the effect of sucking the magnetic mineral including the weak magnetic mineral is the best, but after the diameter is smaller than a certain range, the diameter of the rod-shaped soft magnetic medium can not be reduced along with the reduction of the diameter of the magnetic mineral so as to ensure that the rod-shaped soft magnetic medium has enough rigidity and wear resistance, so that the prior art can not effectively magnetically separate the weak magnetic mineral with smaller diameter, by adopting the technology of the patent application, because the rod-shaped soft magnetic medium freely rotates to the form relative to the water caltrops in a magnetic field, even if the diameter of the rod-shaped soft magnetic medium is larger, the magnetic attraction force is far larger than the magnetic force generated by the rod-shaped soft magnetic medium with smaller diameter because the magnetic force is concentrated on the water caltrops, and, the magnetic force is larger along with the larger diameter, so that weak magnetic minerals with smaller diameters are effectively magnetically separated, and meanwhile, the magnetic minerals can be easily washed off due to the fact that the magnetic minerals can freely rotate after leaving the magnetic field, the rodlike soft magnetic media are guaranteed not to be blocked by the sucked magnetic minerals, and the rodlike soft magnetic media after being washed can be conveniently transferred into the arc-shaped channel along with the rotating ring to conduct ore dressing work.
Here, the swivel frame body is connected with a plurality of circular arc-shaped supports, the circular arc-shaped supports are connected end to end and are arranged into a ring along the swivel frame body, and a plurality of rod-shaped soft magnetic media arranged in parallel are freely and rotatably arranged between two side plates of the circular arc-shaped supports.
And a plurality of bearings are arranged on the two side plates of the rotating ring frame body or the two side plates of the circular arc-shaped support, and the rod-shaped soft magnetic medium is freely and rotatably connected to the bearings.
The bearing comprises an inner ceramic ring connected to a rotating shaft at the end part of the rod-shaped soft magnetic medium and an outer ceramic ring connected in a connecting hole of the side plate, and the inner ceramic ring is rotatably connected in the outer ceramic ring in a penetrating manner.
By adopting the ceramic ring and utilizing the wear resistance and high hardness of the ceramic material, the function of the ceramic ring as a bearing is ensured, and meanwhile, the function of ore pulp is resisted, so that the durability of the ceramic ring is effectively improved.
The arc-shaped support is composed of more than two arc-shaped support units arranged side by side, and a plurality of rod-shaped soft magnetic media arranged in parallel are freely and rotatably arranged between two side plates of the arc-shaped support units.
The adoption of more than two circular arc support units shortens the length of the rod-shaped soft magnetic medium, ensures enough rigidity even if the diameter of the rod-shaped soft magnetic medium is small, and avoids the influence on the magnetic separation effect caused by the bending under the action of ore pulp.
The bar-shaped soft magnetic media are distributed on a circle which takes the rotation axis of the rotating ring frame body as the center of a circle, the section shape of a connecting shaft penetrating out of the end part of the bar-shaped soft magnetic media outside the side plate is square or rhombic, the water caltrop of the connecting shaft penetrating out of the end part of the bar-shaped soft magnetic media with the square or rhombic section shape and the water caltrop of the bar-shaped soft magnetic media with the square or rhombic section shape are both positioned at the same position outside the side plate, a stop block is arranged between two adjacent bar-shaped soft magnetic media outside the side plate in a position corresponding to the position between the two adjacent bar-shaped soft magnetic media, the width of the stop block is smaller than the maximum distance between the connecting shafts penetrating out of the side plate of the two adjacent bar-shaped soft magnetic media, and meanwhile, the width of the stop block is larger than the minimum distance between the connecting shafts penetrating out of the side plate of the two adjacent bar-shaped soft magnetic media.
During the use, install the dog in the magnet separator frame of the concentrate collecting vat department of standing ring high gradient magnet separator, make the dog be located two adjacent bar-shaped soft magnetic medium wear out on the way of the middle part between the connecting axle outside the curb plate along circular orbit pivoted, when two adjacent connecting axles pass through the dog, the dog is used in two adjacent connecting axles inboardly, make its rotation, like this, even under the effect of the residual magnetism of the iron ore of adsorbing on bar-shaped soft magnetic medium, make bar-shaped soft magnetic medium can not smoothly rotate, the dog also can guarantee bar-shaped soft magnetic medium and rotate, so that destroy the effect of the residual magnetism of iron ore to bar-shaped soft magnetic medium, thereby guarantee under the effect of sparge water, wash the iron ore down.
Compared with the prior art, the utility model has the advantages that the iron minerals in the mineral powder can be effectively magnetically separated, and meanwhile, the sucked iron minerals cannot be washed off by water because of being squeezed between two adjacent soft magnetic strips.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a bracket in the shape of a circular arc;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a sectional view of embodiment 1 of a rod-shaped soft magnetic medium;
FIG. 5 is a sectional view of embodiment 2 of a rod-shaped soft magnetic medium;
FIG. 6 is a schematic structural view of a vertical ring high gradient magnetic separator;
FIG. 7 is the attitude diagrams of two adjacent rod-shaped soft magnetic media in the magnetic field;
FIG. 8 is a diagram of the postures of two adjacent rod-shaped soft magnetic mediums which leave the magnetic field and are under the action of flushing water;
FIG. 9 is a state view under the stopper action;
FIG. 10 is a table comparing magnetic forces for various orientations of the bar-shaped soft magnetic medium.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings and examples:
as shown in fig. 1, 3 and 6, the present invention includes a circular turret body 1, and a plurality of rod-shaped soft magnetic mediums 2 arranged on the turret body 1 in parallel, as shown in fig. 4 and 5, and is characterized in that the cross-sectional shape of the rod-shaped soft magnetic medium 2 is square (as shown in fig. 5) or diamond (as shown in fig. 5), and the rod-shaped soft magnetic medium 2 is freely rotatably arranged on the turret body 1.
The swivel frame body 1 comprises a plurality of circular arc-shaped supports 101, the circular arc-shaped supports 101 are connected end to end and arranged into a circular ring along the swivel frame body 1, and a plurality of rod-shaped soft magnetic media 2 arranged in parallel are freely and rotatably arranged between two side plates 102 of the circular arc-shaped supports 101.
The two side plates 102 of the circular arc-shaped bracket 101 are provided with a plurality of bearings 3, and the rod-shaped soft magnetic medium 2 is freely and rotatably connected on the bearings 3.
The circular arc support 101 is composed of more than two circular arc support units 1011 arranged side by side, and a plurality of rod-shaped soft magnetic mediums 2 arranged in parallel are freely and rotatably arranged between two side plates 102 of the circular arc support units 1011.
As shown in fig. 1, the bearing 3 includes an inner ceramic ring 301 connected to the rotating shaft 201 at the end of the rod-shaped soft magnetic medium 2, and an outer ceramic ring 302 connected to the connecting hole 103 of the side plate 102, wherein the inner ceramic ring 301 is rotatably inserted into the outer ceramic ring 302.
As shown in fig. 1, 8, and 9, the rod-shaped soft magnetic mediums 2 are distributed on a circle a taking the rotation axis of the rotating ring frame 1 as the center of circle, the cross-sectional shape of the connecting shaft 202 penetrating through the end of the rod-shaped soft magnetic medium 2 outside the side plate 102 is square or diamond, the diamond corner of the connecting shaft 202 penetrating through the end of the rod-shaped soft magnetic medium 2 outside the side plate with the square or diamond cross-sectional shape and the diamond corner of the rod-shaped soft magnetic medium 2 with the square or diamond cross-sectional shape are both located at the same position, a block 4 is arranged outside the side plate 102 corresponding to the position between two adjacent rod-shaped soft magnetic mediums 2, the width a of the block 4 is smaller than the maximum distance B between the connecting shafts 202 penetrating through the side plate 102 of two adjacent rod-shaped soft magnetic mediums 2, and simultaneously, the width a of the block 4 is larger than the minimum distance C between the connecting shafts 202 penetrating through the side plates 102 of two adjacent rod-shaped soft magnetic mediums 2.
As shown in fig. 5, the outer diameter of the rod-like soft magnetic medium 2 is: 8-65 mm, the minimum distance between two adjacent rod-shaped soft magnetic mediums 2 is: 1-8 mm, the outer diameter of the rod-shaped soft magnetic medium 2 is smaller as the grade of the mineral is higher, and the minimum distance between two adjacent rod-shaped soft magnetic media 2 is larger.
As shown in fig. 10, under the condition that the minimum distances between the two adjacent rod-shaped soft magnetic media 2 are the same and are within the same magnetic field, the magnetic force gradient at the water edge of the rod-shaped soft magnetic medium 2 is larger as the outer diameter of the rod-shaped soft magnetic medium 2 increases, and the increase is larger than that of the rod-shaped soft magnetic medium 2 having a circular rod shape.
As shown in fig. 6, during magnetic separation, the slurry is introduced from an inlet 501 at one end of the circular arc channel 5 of the vertical ring high gradient magnetic separator and is discharged from an outlet 502 at the other end of the circular arc channel 5, and at the same time, the rotating ring comprising the rotating ring frame 1 and the circular arc support 101 on which the rod-shaped soft magnetic medium 2 is mounted rotates along the circular arc channel 5 at a certain rotation speed, and in the circular arc channel 5, under the action of the magnetic field formed by the two magnetic poles 6 with the upper and lower north and south poles opposite to each other, the rod-shaped soft magnetic medium 2 arranged perpendicular to the magnetic force lines of the magnetic field is magnetized, and the magnetized rod-shaped soft magnetic medium 2 is determined by the special shape, and the magnetic force of the rod-shaped soft magnetic medium 2 is concentrated on the water caltrops to maximize the magnetic force on the water caltrops, so that under the action of the maximum magnetic force and the shorter distance, the rod-shaped soft magnetic medium 2 rotates to make the north and south poles of the adjacent magnetized rod-shaped soft magnetic media opposite to each other, therefore, the distance between two adjacent rod-shaped soft magnetic mediums 2 is minimized, as shown in fig. 7, when the magnetic mineral E including weak magnetic minerals in the slurry D passes through the slurry D in the circular arc-shaped channel, the magnetic mineral E in the slurry D is sucked by a great magnetic attraction force, and as the rotating ring rotates out of the circular arc-shaped channel 5, the sucked magnetic mineral E is also taken out and leaves the magnetic field to the upper surface of the magnetic mineral collecting tank 7, as shown in fig. 8, because of leaving the magnetic field, the magnetic force of the rod-shaped soft magnetic medium 2 disappears, and the rod-shaped soft magnetic medium 2 losing the magnetic force is in a free rotation state, even under the residual magnetic force of the magnetic mineral E, the posture thereof is maintained, but because the residual magnetic force of the magnetic mineral E is weak, under the impact force of the washing water, the rod-shaped soft magnetic medium 2 can rapidly rotate, so that the distance between two adjacent rod-shaped soft magnetic mediums 2 is maximized, so that the magnetic mineral E is washed into the concentrate collecting tank 7 to complete the mineral separation process.
As shown in fig. 9, when the stopper 4 is provided, the stopper 4 is installed on the magnetic separator frame at the concentrate collecting tank 7 of the vertical ring high gradient magnetic separator, so that the stopper 4 is located in the path of the rotation along the circular track at the middle part between the connecting shafts of the two adjacent rod-like soft magnetic media 2 penetrating out of the side plate 102, and when the two adjacent connecting shafts pass through the stopper, the stopper acts on the inner sides of the two adjacent connecting shafts to rotate the two adjacent connecting shafts, so that even if the rod-like soft magnetic media cannot smoothly rotate under the action of the residual magnetic force of the iron ore adsorbed on the rod-like soft magnetic media, the stopper can also ensure the rotation of the rod-like soft magnetic media, so that the action of the residual magnetic force of the iron ore on the rod-like soft magnetic media is damaged, thereby ensuring that the iron ore is washed down under the action of washing water.
Claims (9)
1. The utility model provides a vertical ring high gradient change for magnet separator, includes the change support body, sets up the bar-shaped soft magnetic medium that several are parallel to each other on the change support body, and its characterized in that bar-shaped soft magnetic medium's cross sectional shape is square or rhombus, and bar-shaped soft magnetic medium free rotation sets up on the change support body.
2. The rotary ring for the vertical ring high gradient magnetic separator as claimed in claim 1, wherein the rotary ring frame body is connected with a plurality of circular arc-shaped supports, the circular arc-shaped supports are connected end to end and arranged into a circular ring along the rotary ring frame body, and a plurality of parallel rod-shaped soft magnetic mediums are freely and rotatably arranged between two side plates of the circular arc-shaped supports.
3. The rotary ring for the vertical ring high gradient magnetic separator as claimed in claim 1, wherein the two side plates of the rotary ring frame body are provided with a plurality of bearings, and the rod-shaped soft magnetic medium is freely rotatably connected to the bearings.
4. The rotary ring for the vertical ring high gradient magnetic separator as claimed in claim 2, wherein the two side plates of the circular arc support are provided with a plurality of bearings, and the rod-shaped soft magnetic medium is freely rotatably connected to the bearings.
5. The rotary ring for the vertical ring high gradient magnetic separator as claimed in claim 3 or 4, wherein the bearing comprises an inner ceramic ring connected to the rotating shaft at the end of the bar-shaped soft magnetic medium, and an outer ceramic ring connected to the connecting holes of the side plates, and the inner ceramic ring is rotatably connected to the outer ceramic ring in a penetrating manner.
6. The rotary ring for the vertical ring high gradient magnetic separator as claimed in claim 2, wherein the circular arc support is composed of more than two circular arc support units arranged side by side, and a plurality of parallel rod-like soft magnetic media are freely rotatably arranged between the two side plates of the circular arc support units.
7. The rotary ring for vertical ring high gradient magnetic separator according to claim 1 or 2 or 3 or 4 or 6, characterized in that the bar-shaped soft magnetic mediums are distributed on a circle with the rotation axis of the rotary ring frame body as the center of circle, the cross section of the connecting shaft penetrating through the end of the bar-shaped soft magnetic medium outside the side plate is square or diamond, the diamond corner of the connecting shaft penetrating through the end of the bar-shaped soft magnetic medium outside the side plate and the diamond corner of the bar-shaped soft magnetic medium with square or diamond cross section are both located at the same position, a stop block is arranged outside the side plate corresponding to the position between two adjacent bar-shaped soft magnetic mediums, the width of the stop block is smaller than the maximum distance between the connecting shafts penetrating through the side plate of the two adjacent bar-shaped soft magnetic mediums, and meanwhile, the width of the stop block is larger than the minimum distance between the connecting shafts penetrating through the side plate of the two adjacent bar-shaped soft magnetic mediums.
8. The rotary ring for the vertical ring high gradient magnetic separator according to claim 5, wherein the bar-shaped soft magnetic mediums are distributed on a circle with the rotation axis of the rotary ring frame body as the center of the circle, the cross section of the connecting shaft penetrating through the end portion of the bar-shaped soft magnetic medium outside the side plate is square or diamond, the diamond corner of the connecting shaft penetrating through the end portion of the bar-shaped soft magnetic medium outside the side plate and the diamond corner of the bar-shaped soft magnetic medium with the square or diamond cross section are both located at the same position, a stop block is arranged outside the side plate at a position corresponding to the position between two adjacent bar-shaped soft magnetic mediums, the width of the stop block is smaller than the maximum distance between the connecting shafts penetrating through the side plate of the two adjacent bar-shaped soft magnetic mediums, and meanwhile, the width of the stop block is larger than the minimum distance between the connecting shafts penetrating through the side plate of the two adjacent bar-shaped soft magnetic mediums.
9. The rotary ring for a vertical ring high gradient magnetic separator as set forth in claim 1, wherein the outer diameter of the bar-shaped soft magnetic medium is: 8-65 mm, and the minimum distance between two adjacent rod-shaped soft magnetic mediums is as follows: 1-8 mm, the outer diameter of the rod-shaped soft magnetic medium is smaller as the grade of the mineral is higher, and the minimum distance between two adjacent rod-shaped soft magnetic media is larger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122016699.9U CN216025513U (en) | 2021-08-25 | 2021-08-25 | Swivel for vertical ring high-gradient magnetic separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122016699.9U CN216025513U (en) | 2021-08-25 | 2021-08-25 | Swivel for vertical ring high-gradient magnetic separator |
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| Publication Number | Publication Date |
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| CN216025513U true CN216025513U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122016699.9U Active CN216025513U (en) | 2021-08-25 | 2021-08-25 | Swivel for vertical ring high-gradient magnetic separator |
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| CN (1) | CN216025513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695073A (en) * | 2021-08-25 | 2021-11-26 | 廖嘉琪 | Swivel for vertical ring high-gradient magnetic separator |
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2021
- 2021-08-25 CN CN202122016699.9U patent/CN216025513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695073A (en) * | 2021-08-25 | 2021-11-26 | 廖嘉琪 | Swivel for vertical ring high-gradient magnetic separator |
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