CN210994756U - Eccentric discharging type roller magnetic separator - Google Patents
Eccentric discharging type roller magnetic separator Download PDFInfo
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- CN210994756U CN210994756U CN201921867824.3U CN201921867824U CN210994756U CN 210994756 U CN210994756 U CN 210994756U CN 201921867824 U CN201921867824 U CN 201921867824U CN 210994756 U CN210994756 U CN 210994756U
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Abstract
The utility model discloses an eccentric formula cylinder magnet separator of unloading relates to mineral magnetic separation technical field. The utility model discloses a frame, the supporting has rotatable outer cylinder subassembly and magnetic drum subassembly in the frame, and the concentric arrangement of magnetic drum subassembly is in outer cylinder subassembly, and its characterized in that is provided with eccentric adjusting device between frame and the magnetic drum subassembly, and eccentric adjusting device drives the magnetic drum subassembly and deviates or is close to the motion in outer cylinder subassembly axle center, makes outer cylinder subassembly's partial working face change between ore discharge state and ore dressing state. This magnet separator makes magnetic roller subassembly and the periodic concentric cooperation and the eccentric cooperation of carrying on of outer roller subassembly through eccentric adjusting device, can ore dressing in succession and intermittent type ore discharge enlarge the ore dressing region, reduce outer roller subassembly wearing and tearing, avoid taking place to pile up.
Description
Technical Field
The utility model relates to a mineral magnetic separation technical field, especially an eccentric formula cylinder magnet separator of unloading with portable magnetic drum.
Background
Under the action of a magnetic field, magnetic mineral particles are subjected to magnetic aggregation to form magnetic groups or magnetic chains, and the magnetic groups or the magnetic chains move towards the magnetic poles under the action of magnetic force. In the mineral separation industry, for magnetic ore separation, under the condition of qualified ore grinding granularity, an eccentric roller magnetic separator and a concentric roller magnetic separator are generally adopted for separation process.
The Chinese utility model with publication number CN203635320U discloses a magnetic force grading preselection machine, wherein a roller is arranged in a machine body, a cylindrical magnetic system which is eccentrically arranged is arranged in the roller, and the magnetic system and the roller can move relatively; the machine body is provided with a tailing opening, a coarse ore opening and a fine ore opening in sequence from a strong magnetic area to a weak magnetic area below a magnetic system. The magnetic system of the magnetic grading preselector is arranged on the full circumference of the roller, and the magnetic poles of the magnetic system are alternately arranged along the rotating direction of the roller. Therefore, when the roller rotates, the magnetic stirring phenomenon is generated due to the fact that magnetic poles of the magnetic groups or the magnetic chains adsorbed on the surface of the roller are alternated, nonmagnetic minerals such as gangue and the like contained in the magnetic groups or the magnetic chains fall off in stirring and overturning, the nonmagnetic minerals are removed by the magnetic groups or the magnetic chains adsorbed in the roller ore dressing area to form concentrate, and the concentrate enters the discharging area along with the concentrate. Although the eccentric roller magnetic separator has a good mineral separation effect, the mineral separation area is small, and the surface of the whole roller cannot be used as the mineral separation area; meanwhile, the permanent magnet roller and the outer roller are eccentric, the magnetic field intensity is highest on the eccentric side, the magnetic field intensity is lowest on the non-eccentric side, the magnetic field intensity is gradually reduced, materials are prone to being discharged and stacked in the discharging area, and finally the whole ore dressing area is blocked.
The chinese utility model patent with publication number CN203990893U discloses a permanent-magnet full-magnetic separator, which comprises a frame, a hood, a magnetic drum motor, a speed reducer, a central shaft connected with the speed reducer through a coupling, a magnetic drum fixed on the central shaft, and an ore unloading mechanism cooperating with the magnetic drum for unloading the concentrate from the magnetic drum; the magnetic roller is formed by fixing a plurality of magnetic blocks on a magnetic conductive iron plate through screws to form a roller shape and wrapping the magnetic roller externally by a stainless steel cylinder skin, the formed magnetic system is a circumferential magnetic system, and the magnetic wrap angle is 360 degrees. Compared with an eccentric roller magnetic separator, the concentric roller magnetic separator keeps the magnetic roller and the circumferential magnetic system in a concentric position during working, and forced discharging devices such as an ore discharging mechanism and the like are required to be additionally arranged at the corresponding position of the separator body to discharge concentrate. Since the forced discharging device can extrude the material during discharging, especially when the material contains large particles or iron-containing devices, the discharging pressure can act on the outer drum through the material and the iron devices, and the outer drum is abraded.
Disclosure of Invention
The utility model discloses a utility model aim at: the ore dressing and the district of unloading to current eccentric formula cylinder magnet separator easily block up, and the problem that the mode of unloading of current concentric formula cylinder magnet separator caused outer cylinder serious wear, the utility model provides an eccentric formula cylinder magnet separator of unloading, this cylinder magnet separator's eccentric adjusting device can make outer cylinder subassembly and the magnetic drum subassembly selectivity that is located outer cylinder subassembly carry out concentric cooperation and eccentric cooperation, during concentric cooperation, the whole working face of outer cylinder subassembly can all be regarded as the ore dressing region, during eccentric cooperation, the partial working face of outer cylinder subassembly is regional to be changed into the ore discharge region by original ore dressing region, and magnetic mineral unloads in the ore discharge region is automatic, reduces the working face wearing and tearing, and enlarge the regional area of ore dressing, intermittent type nature unload magnetic mineral and can avoid taking place to pile up.
The utility model adopts the technical scheme as follows:
according to the utility model discloses an eccentric formula cylinder magnet separator of unloading, which comprises a frame, the supporting has rotatable outer cylinder subassembly and magnetic drum subassembly in the frame, the concentric arrangement of magnetic drum subassembly is in outer cylinder subassembly, be provided with eccentric adjusting device between frame and the magnetic drum subassembly, eccentric adjusting device drives the magnetic drum subassembly and deviates or is close to the motion in outer cylinder subassembly axle center to make the partial working face of outer cylinder subassembly change between ore dressing state and ore discharge state.
Further, the first magnetic field intensity of the part of the working surface in the ore discharge state is smaller than the second magnetic field intensity in the ore dressing state; the eccentric adjusting device controls the first magnetic field intensity by adjusting the displacement of the magnetic roller component, so that the magnetic mineral is separated from the partial working surface.
Furthermore, the eccentric adjusting device comprises a guide assembly and an eccentric driving device, the guide assembly is installed between the rack and the magnetic roller assembly, and the eccentric driving device is matched with the guide assembly to drive the magnetic roller assembly to do periodic linear reciprocating motion along the horizontal direction.
Further, the eccentric driving device is installed at one side or both sides of the magnetic drum assembly.
Furthermore, the eccentric driving device is one of a hydraulic oil cylinder, an air cylinder and an electric push rod and connecting rod mechanism.
Furthermore, the outer roller assembly and the magnetic roller assembly rotate relatively under the driving of the corresponding power device, and the magnetic roller assembly forms an alternating magnetic field on the working surface of the outer roller assembly which rotates relatively.
Further, the outer roller assembly and the magnetic roller assembly rotate in the same direction or in opposite directions.
Furthermore, the outer roller assembly comprises an outer roller and a hollow shaft arranged on the outer roller, and two ends of the hollow shaft are rotatably supported on the rack through a first bearing support; the magnetic drum assembly comprises a magnetic drum and a solid shaft arranged on the magnetic drum, the solid shaft is positioned in the hollow shaft, and two ends of the solid shaft extend out of the hollow shaft and are rotatably supported on the rack through a second bearing support.
Furthermore, the guide assembly comprises a guide rail fixed on the rack, the second bearing support is slidably mounted on the guide rail, and the eccentric driving device drives the second bearing support to slide along the guide rail.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the eccentric discharging type roller magnetic separator of the utility model utilizes the eccentric adjusting device to drive the magnetic roller component to translate radially, so that the magnetic roller component and the outer roller component can be matched concentrically and eccentrically; when the outer barrel assembly is concentrically matched, the whole working surface of the outer barrel assembly can be used as a mineral separation area, and the mineral separation performance and the mineral separation capacity can be effectively improved by increasing the mineral separation area; when the eccentric matching is carried out, the magnetic field intensity on the non-eccentric side is reduced, so that part of the working surface is converted from a mineral separation area to a mineral discharge area, and automatic discharging is intermittently carried out;
2. the eccentric discharging type roller magnetic separator of the utility model utilizes the eccentric adjusting device to drive the radial translation, and the displacement of the radial translation can be adjusted, so that the eccentric distance can be adjusted according to the requirement of the mineral processing technology, and the applicability of the magnetic separator is improved;
3. the utility model discloses eccentric formula of unloading cylinder magnet separator adopts the mode of intermittent type unloading to carry out the ore discharge, and the magnetic field intensity of the non-eccentric side of outer cylinder subassembly reduces and leads to partial working face to get into the ore discharge state fast, and the magnetic mineral of absorption falls into the concentrate mouth fast on this partial working face, waits for next round of ore discharge after the concentrate mouth evacuation, and the material can not produce in the ore discharge region and ore dressing region and pile up, improves the job stabilization nature of magnet separator.
Drawings
FIG. 1 is a schematic structural view of the eccentric discharging type drum magnetic separator of the present invention;
FIG. 2 is a cross-sectional view taken along line E-E of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the concentric fit state of the eccentric discharging type drum magnetic separator of the present invention;
FIG. 4 is a schematic diagram of the eccentric matching state of the eccentric unloading drum magnetic separator of the present invention;
the labels in the figure are: 1-a frame; 2-an outer drum; 3-a hollow shaft; 4-a first bearing support; 5-a magnetic roller; 6-a solid shaft; 7-a second bearing support; 8-eccentric drive means; 9-a guide assembly; 10-a feed inlet; 11-tailing port; 12-concentrate mouth.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
According to the eccentric discharging type roller magnetic separator disclosed by the embodiment, the eccentric discharging type roller magnetic separator comprises a rack 1, wherein a rotatable outer roller assembly and a rotatable magnetic roller assembly are supported on the rack 1, the magnetic roller assembly is concentrically arranged in the outer roller assembly, an eccentric adjusting device is arranged between the rack 1 and the magnetic roller assembly, and the eccentric adjusting device drives the magnetic roller assembly to move away from or close to the axis of the outer roller assembly, so that part of the working surface of the outer roller assembly is converted between a mineral separation state and a mineral discharge state.
Specifically, the eccentric adjusting device drives the magnetic roller assembly to move away from or close to the axis of the outer roller assembly, namely, the magnetic roller assembly moves between a concentric position and a non-concentric position in the eccentric adjusting device. When the magnetic roller assembly moves close to the axis of the outer roller assembly until the axes of the magnetic roller assembly and the outer roller assembly coincide, as shown in fig. 3, the magnetic roller assembly and the outer roller assembly are in a concentric fit state, the working surfaces of the outer roller assembly on the circumference are all mineral separation areas, the magnetic mineral separation areas adsorb magnetic minerals, the magnetic minerals are separated from nonmagnetic minerals, and the magnetic separator performs tailing separation and continuously throws tailings; when the magnetic roller assembly moves away from the axle center of the outer roller assembly until the axle centers of the magnetic roller assembly and the outer roller assembly deviate, as shown in fig. 4, the magnetic roller assembly and the outer roller assembly are in an eccentric matching state, the magnetic field intensity of the working surface on the eccentric side of the outer roller assembly is increased, the magnetic field intensity of the working surface on the non-eccentric side of the outer roller assembly is reduced, part of the working surface on the non-eccentric side of the outer roller assembly is converted from a mineral separation state for adsorbing magnetic minerals into an ore discharge state for removing the magnetic minerals by adsorption, and at the moment, the magnetic separator simultaneously carries out concentrate removal, tailing separation and throwing conveying.
Optionally, the first magnetic field strength of part of the working surface in the ore discharge state is smaller than the second magnetic field strength in the ore dressing state; the eccentric adjusting device controls the first magnetic field intensity by adjusting the displacement of the magnetic roller component, so that the magnetic mineral is separated from part of the working surface.
Concretely speaking, eccentric adjusting device adjusts magnetic cylinder subassembly and outer cylinder subassembly eccentric cooperation, and the non-eccentric side of outer cylinder subassembly forms weak magnetic area, and the eccentric side of outer cylinder subassembly forms strong magnetic area, and partial working face that outer cylinder subassembly formed weak magnetic area gets into the ore discharge state, and above-mentioned partial working face is the ore discharge region. When the eccentric adjusting device adjusts the magnetic roller component to be in concentric fit with the outer roller component, the magnetic field intensity of the partial working surface is increased, and the whole working surface of the outer roller component returns to the mineral separation state. Thus, the first magnetic field strength of the portion of the working face in the condition of ore discharge is less than the second magnetic field strength in the condition of ore dressing. Under the eccentric cooperation state, the magnetic field intensity in the outer drum subassembly weak magnetic field district receives the eccentric distance regulation of magnetic drum subassembly, outer drum subassembly part or whole working face adsorbs magnetic mineral and carries out the ore dressing under concentric cooperation state promptly, non-magnetic mineral and magnetic mineral separation, the second magnetic field intensity of the partial working face of outer drum subassembly non-eccentric side reduces along with the increase of magnetic drum subassembly's displacement volume under the eccentric cooperation state, above-mentioned partial working face is the ore discharge state by ore dressing state conversion, second magnetic field intensity reduces to accomplish the ore discharge and unload when magnetic mineral breaks away from above-mentioned partial working face. The second magnetic field intensity required by ore discharge is adjusted according to different ore types and ore dressing processes, so that the applicability of the magnetic separator is greatly improved.
Optionally, the eccentric adjusting device includes a guiding assembly 9 and an eccentric driving device 8, the guiding assembly 9 is installed between the frame 1 and the magnetic roller assembly, and the eccentric driving device 8 cooperates with the guiding assembly 9 to drive the magnetic roller assembly to perform periodic linear reciprocating motion along the horizontal direction. Preferably, the guide assembly 9 is a guide rail fixed on the frame 1; the eccentric driving device 8 is one of a hydraulic oil cylinder, an air cylinder, an electric push rod and a link mechanism.
Specifically, the guide assembly 9 limits the magnetic roller assembly to move along the horizontal direction to deviate or approach the axle center of the outer roller assembly, and the eccentric driving device 8 drives the magnetic roller assembly along the movement direction limited by the guide assembly 9. The magnetic roller assembly is limited to do periodic linear reciprocating motion along the horizontal direction, the working state of the magnetic separator can be simplified into two states, the structure of the eccentric adjusting device is simplified, and the controllability of magnetic separation is improved. The specific working principle is as follows: 1) as shown in fig. 3, in an initial state, the magnetic drum assemblies are located at concentric positions, the magnetic field intensity at the four working sites A, B, C, D of the magnetic separator is the same, the whole working surfaces of the outer drum assemblies are in a mineral separation state, materials are distributed to the outer drum assemblies from a feed inlet 10 arranged at the top of the frame 1, magnetic minerals in the materials are adsorbed on the working surfaces of the outer drum assemblies under the action of magnetic force, nonmagnetic minerals and magnetic minerals are separated and fall to a tailing port 11 located at the bottom of the outer drum assemblies, the magnetic minerals adsorbed by the outer drum assemblies rotating counterclockwise are transmitted to a working point a from a working point D, and at this time, the magnetic minerals are adsorbed on the working points A, B, C, D of the outer drum assemblies; 2) the eccentric adjusting device drives the magnetic roller component to rapidly perform linear motion along the direction of horizontally pointing to the working point D, the magnetic roller component is located at an eccentric position, at the moment, the magnetic field intensity of the working point D located on the eccentric side of the outer roller component is the largest, the magnetic field intensity of the working point C located on the non-eccentric side of the outer roller component is the smallest, the magnetic field intensities of the working point A and the working point B are approximately the same, the magnetic field intensity of the working surface of the non-eccentric side of the outer roller component from the working point A to the working point B is rapidly reduced until the magnetic field magnetic force borne by the magnetic material is smaller than gravity, so that the working surface of the non-eccentric side cannot adsorb magnetic minerals and enters an ore discharge state, the magnetic minerals fall off to a concentrate port 12 under the action of gravity, and; meanwhile, the eccentric side working face of the outer roller assembly maintains the ore dressing state. After the magnetic separator discharges ore rapidly, the magnetic roller assembly moves linearly along the direction horizontally pointing to the working point C to recover the concentric position of the initial state, the eccentric adjusting mechanism drives the magnetic roller assembly to reciprocate linearly along the horizontal direction, and the magnetic separator realizes continuous ore dressing and intermittent ore discharging, namely, continuous tailings and concentrate are sorted and the concentrate is discharged intermittently.
Alternatively, the eccentric drive 8 is mounted on one or both sides of the magnetic drum assembly. Specifically, one side of the magnetic roller component along the axial direction is provided with an eccentric driving device 8 for driving, and the other side of the magnetic roller component is driven; or, the two sides of the magnetic roller component along the axial direction are both provided with the eccentric driving device 8, and the eccentric driving device 8 moves at the two sides of the magnetic roller component simultaneously. For the operational stability of the eccentric adjustment device, it is preferable to install eccentric driving devices 8 at both sides of the magnetic drum assembly.
Optionally, the outer roller assembly and the magnetic roller assembly rotate relatively under the driving of the corresponding power device, and the magnetic roller assembly forms an alternating magnetic field on the working surface of the outer roller assembly which rotates relatively. Further, the outer roller assembly and the magnetic roller assembly rotate in the same direction or in opposite directions. Specifically, the magnetic drum 5 of the magnetic drum assembly is composed of a plurality of magnetic poles which are arranged in a cylindrical shape, the adjacent magnetic poles in the circumferential direction are different, and the adjacent magnetic poles in the axial direction are the same, so that the magnetic drum assembly forms a non-uniform alternating magnetic field on the working surface of the outer drum assembly which rotates relatively, materials are overturned under the action of the alternating magnetic field, and non-magnetic minerals which are mixed in the magnetic minerals under the magnetic aggregation action are scattered and separated out to be separated from a mineral separation area.
Optionally, the outer drum assembly comprises an outer drum 2 and a hollow shaft 3 mounted on the outer drum 2, and two ends of the hollow shaft 3 are rotatably supported on the frame 1 through a first bearing support 4; the magnetic drum subassembly includes magnetic drum 5 and installs solid axle 6 on magnetic drum 5, and solid axle 6 is located hollow shaft 3, and hollow shaft 3 and the rotatable support of second bearing support 7 are extended at solid axle 6 both ends on frame 1, and is further, but second bearing support 7 lower extreme slidable mounting is on the guide rail, then eccentric drive arrangement 8 drives second bearing support 7 and slides along the guide rail, and the offset of magnetic drum subassembly is adjusted to 8 concertina movement of eccentric drive arrangement.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides an eccentric formula cylinder magnet separator of unloading, includes frame (1), the supporting has rotatable outer cylinder subassembly and magnetic drum subassembly on frame (1), the concentric arrangement of magnetic drum subassembly is in outer cylinder subassembly, its characterized in that, be provided with eccentric adjusting device between frame (1) and the magnetic drum subassembly, eccentric adjusting device drives the magnetic drum subassembly and deviates or is close to the motion in outer cylinder subassembly axle center, makes the partial working face of outer cylinder subassembly change between ore discharge state and ore dressing state.
2. The eccentric discharge drum magnetic separator according to claim 1 wherein a first magnetic field strength of said portion of the working surface in the ore discharge condition is less than a second magnetic field strength in the ore dressing condition; the eccentric adjusting device controls the first magnetic field intensity by adjusting the displacement of the magnetic roller component, so that the magnetic mineral is separated from the partial working surface.
3. The eccentric discharge drum magnetic separator according to claim 1, wherein the eccentric adjusting device comprises a guide assembly (9) and an eccentric driving device (8), the guide assembly (9) is installed between the frame (1) and the magnetic drum assembly, and the eccentric driving device (8) cooperates with the guide assembly (9) to drive the magnetic drum assembly to reciprocate linearly and periodically along the horizontal direction.
4. The eccentric discharge drum magnetic separator as claimed in claim 3, characterized in that the eccentric drive means (8) is mounted on one or both sides of the magnetic drum assembly.
5. The eccentric discharge drum magnetic separator as claimed in claim 3 wherein the eccentric drive means (8) is one of a hydraulic cylinder, a pneumatic cylinder, an electric push rod and a linkage mechanism.
6. The eccentric drum magnetic separator according to any one of claims 1 to 5, wherein said outer drum assembly and magnetic drum assembly are driven by corresponding power unit to rotate relatively, and said magnetic drum assembly forms an alternating magnetic field on the working surface of the outer drum assembly rotating relatively.
7. The eccentric discharge drum magnetic separator as recited in any one of claims 1 to 5 wherein said outer drum assembly rotates in the same direction or in the opposite direction as the magnetic drum assembly.
8. The eccentric drum magnetic separator according to any of the claims 1 to 5, characterized in that the outer drum assembly comprises an outer drum (2) and a hollow shaft (3) mounted on the outer drum (2), both ends of the hollow shaft (3) being rotatably supported on the machine frame (1) by means of first bearing supports (4); the magnetic drum assembly comprises a magnetic drum (5) and a solid shaft (6) arranged on the magnetic drum (5), the solid shaft (6) is positioned in the hollow shaft (3), and two ends of the solid shaft (6) extend out of the hollow shaft (3) and are rotatably supported on the rack (1) through a second bearing support (7).
9. The eccentric unloading drum magnetic separator according to claim 8, characterized in that the guide assembly (9) comprises a guide rail fixed to the frame (1), on which said second bearing support (7) is slidably mounted; the eccentric driving device (8) drives the second bearing support (7) to slide along the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867824.3U CN210994756U (en) | 2019-11-01 | 2019-11-01 | Eccentric discharging type roller magnetic separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867824.3U CN210994756U (en) | 2019-11-01 | 2019-11-01 | Eccentric discharging type roller magnetic separator |
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| CN210994756U true CN210994756U (en) | 2020-07-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058737A (en) * | 2021-03-20 | 2021-07-02 | 迁安市德泰工贸有限公司 | Magnetic separator and magnetic concentrate separation method |
| WO2023070894A1 (en) * | 2021-10-25 | 2023-05-04 | 沈阳隆基电磁科技股份有限公司 | Dry separator |
-
2019
- 2019-11-01 CN CN201921867824.3U patent/CN210994756U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058737A (en) * | 2021-03-20 | 2021-07-02 | 迁安市德泰工贸有限公司 | Magnetic separator and magnetic concentrate separation method |
| WO2023070894A1 (en) * | 2021-10-25 | 2023-05-04 | 沈阳隆基电磁科技股份有限公司 | Dry separator |
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