CN211385389U - Sorting device for needle-shaped ore grains with high iron content - Google Patents
Sorting device for needle-shaped ore grains with high iron content Download PDFInfo
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- CN211385389U CN211385389U CN202021369653.4U CN202021369653U CN211385389U CN 211385389 U CN211385389 U CN 211385389U CN 202021369653 U CN202021369653 U CN 202021369653U CN 211385389 U CN211385389 U CN 211385389U
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Abstract
The utility model discloses a sorting unit for needle-like ore grain of high iron content, it belongs to superconductive magnetic separation technical field, including the urceolus of one end confined and the sorting barrel of cover locating in the urceolus, the urceolus with the sorting barrel is coaxial to be set up, distribute a plurality of magnetic conduction medium subassemblies along its axial in the sorting barrel, magnetic conduction medium subassembly has a plurality of first faces and second face, first face and the second face distributes and connects gradually in turn; the utility model discloses in simple structure, constitute by single separation tube and urceolus, compare with current superconductive magnetic separation device's separation chamber, magnetic separation time and magnetic separation route are longer to, the stable in structure of magnetic conduction medium subassembly in the separation tube has guaranteed the uniformity of the magnetic separation effect at the different positions in the separation chamber, and is more excellent to the magnetic separation effect of high iron content or needle-like ore pulp.
Description
Technical Field
The utility model relates to a superconductive magnetic separation technical field, concretely relates to a sorting unit for high iron content needle ore grain.
Background
In wollastonite concentrate, wollastonite usually has a needle-like or fibrous aggregate with a length-diameter ratio of 8-10:1 and shows substantially no magnetism, while wollastonite associated minerals such as diopside and garnet belong to weakly magnetic minerals and are in a granular form. In order to obtain wollastonite with high purity, a strong magnetic separation technology is adopted for wollastonite concentrate to remove weakly magnetic minerals in the wollastonite, so that the purity of the product is improved.
The devices for realizing sorting by utilizing magnetism are mainly divided into permanent magnet type, electromagnetic type and superconducting magnetic type; the superconducting magnetic separation device is equipment which utilizes a superconducting state conductive coil to generate a strong magnetic field and separates ore particles in ore pulp according to the magnetic difference of different ore particles; compared with permanent magnet type and electromagnetic type magnetic separation modes, the magnetic field intensity provided by the superconducting magnetic separation mode is 2-3 times and 3-8 times of the maximum magnetic field intensity provided by the permanent magnet type and the electromagnetic type, the capture rate of magnetic particles in the superconducting magnetic separation mode is far higher than that in the traditional mode, and the superconducting magnetic separation mode is an advanced device in the mineral separation industry at present.
In the superconducting magnetic separation device commonly used at home and abroad at present, a separation cavity structure is generally formed by connecting an outer cylinder and a plurality of separation cavity series tanks in parallel, and steel wool magnetic media are filled in the separation cavity to form a magnetic separation channel. The steel wool magnetic medium is generally composed of steel wool fibers which are densely arranged and have disorderly trends. When the existing superconducting magnetic separation device is used for superconducting magnetic separation of ore particles with high iron content or needle shape (such as wollastonite), the following problems can occur: firstly, uneven conditions of water distribution, ore feeding, washing and cleaning agents of the parallel separation cavities cause the treatment precision of equipment to be reduced, serious inclusion and even blockage; secondly, acicular (with a relatively high length-diameter ratio) minerals (such as wollastonite) are difficult to pass through a curved tiny channel in the steel wool magnetic medium along with water flow, and are easy to block; thirdly, low-grade (high iron content) minerals are more in magnetic particles, the magnetic particles adsorbed by the steel wool magnetic conductive medium are easily saturated and agglomerated on the surface of the steel wool, so that the subsequent sorting quality is reduced, meanwhile, more washing dead corners are formed during washing, the magnetic particles are accumulated, the frequency of removing the steel wool magnetic conductive medium for thorough washing is higher, and the sorting efficiency is reduced; fourthly, the flushing water is mixed with more other particles or chemical components and the like, which is not beneficial to flushing the magnetic conductive medium of the steel wool and even causing the agglomeration; and fifthly, the steel wool magnetic medium is easily compressed and deformed under the influence of water flow impact and magnetic force, and parameters such as porosity, permeability and the like of the steel wool magnetic medium are continuously changed along with the use time, so that the ore feeding amount and the filtering precision are influenced.
Disclosure of Invention
To the problem that exists among the prior art, the utility model provides a pair of a sorting unit for high iron content needle mineral grain, simple structure comprises single separation tube and urceolus, compares with current superconductive magnetic separation device's separation chamber, and magnetic separation time and magnetic separation route are longer to, the stable in structure of magnetic conduction medium subassembly in the separation tube has guaranteed the uniformity of the magnetic separation effect of the different positions of separation intracavity, and is more excellent to high iron content or needle mineral grain's magnetic separation effect.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides a sorting unit for high iron content needle mineral grain, includes that one end confined urceolus and cover are located the separation section of thick bamboo in the urceolus, the urceolus with the separation section of thick bamboo coaxial setting, the inner wall of urceolus with there is the clearance between the inner wall of separation section of thick bamboo, it has a plurality of magnetic conduction medium subassemblies to distribute along its axial in the separation section of thick bamboo, magnetic conduction medium subassembly has a plurality of first faces and second face, first face with the second face distributes in turn and connects gradually.
In a preferred embodiment, the first surface is parallel to the axis of the separation cylinder, and the second surface is perpendicular to the axis of the separation cylinder.
As a preferred technical scheme, a connecting shaft is arranged on the central axis of the outer cylinder and the sorting cylinder, one end of the connecting shaft is connected with the inner surface of the closed end of the outer cylinder, the other end of the connecting shaft extends into the sorting cylinder, and the magnetic conductive medium components are all sleeved on the connecting shaft.
As an optimal technical scheme, high-resistance ore pulp distribution plates are arranged at two ends of all the magnetic conductive medium assemblies in the separation cylinder and are sleeved on the connecting shaft.
As an optimized technical scheme, locking pieces are arranged on the connecting shaft and on one side, away from the magnetic conductive medium assembly, of the high-resistance ore pulp distribution plate.
As a preferable technical solution, a projection of the magnetic conductive medium assembly along the axial direction of the sorting cylinder is the same as a projection of the inner cavity of the sorting cylinder along the axial direction thereof.
As a preferable technical solution, the magnetic conductive medium component is a steel plate mesh.
As a preferable technical scheme, meshes of the steel plate net are in a diamond shape.
As a preferable technical scheme, one end of the separation cylinder, which is far away from the closed end of the outer cylinder, is connected with a pulp inlet pipeline and a water outlet pipeline, and the cylinder opening of the outer cylinder is connected with a pulp outlet pipeline and a water inlet pipeline.
As a preferable technical scheme, the sorting device further comprises a superconducting magnet, the superconducting magnet forms a strong magnetic field, and the outer cylinder is connected with a driving assembly which drives the outer cylinder to reciprocate between completely entering the strong magnetic field and completely moving out of the strong magnetic field.
The utility model has the advantages of that:
1. the utility model discloses simple structure comprises single separation tube and urceolus, compares with current superconductive magnetic separation device's separation chamber, and magnetic separation time and magnetic separation route are longer to, the stable in structure of magnetic conduction medium subassembly in the separation tube has guaranteed the uniformity of the magnetic separation effect at the different positions in the separation chamber, and is more excellent to the magnetic separation effect of high iron content or needle-like ore pulp.
2. The magnetic conductive medium component of the utility model adopts the steel plate net, compared with the traditional steel wool magnetic conductive medium, the steel plate net has smaller deformation under the action of external force, the physical property and the structural property can be kept for a long time, and the consistency of the quality of finished products is better; the metal wires of the steel plate net move more regularly, the single water channel of the steel plate net has larger size than the steel wool magnetic medium, the distribution is more uniform, the ore particles with large length-diameter ratio can pass more easily, and the continuous separation operation is realized; the back flushing dead angle of the steel plate net is less, the back flushing is more thorough, the flushing time is shortened, the cleaning and maintenance period of the magnetic conductive medium is prolonged, and the efficiency is higher.
3. The utility model discloses with the parallelly connected sorting structure of traditional string pot-type, change into and accomplish the sorting operation by single sorting chamber, the magnetic separation route of sorting cylinder is longer, and adsorbable weak magnetic impurity is more, and is longer long when the single operation feed, and reciprocating frequency reduces, consequently, superconducting magnetic separation equipment's loss reduces.
4. The utility model discloses a magnetic conduction medium subassembly is through two high resistant ore pulp distribution plate presss from both sides and be fixed in on the connecting axle, simple structure, easy dismounting, washing convenience.
Drawings
Fig. 1 is the overall structure schematic diagram of the sorting device for the needle-shaped ore particles with high iron content of the utility model.
In the figure: 1-outer cylinder, 2-separation cylinder, 3-magnetic conductive medium component, 31-first surface, 32-second surface, 4-connecting shaft, 41-locking component and 5-high resistance ore pulp distribution plate.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a sorting unit for needle-like ore particles with high iron content, which comprises an outer cylinder 1 with a sealed end and a sorting cylinder 2 sleeved in the outer cylinder 1, wherein the outer cylinder 1 and the sorting cylinder 2 are coaxially arranged, a gap exists between the inner wall of the outer cylinder 1 and the inner wall of the sorting cylinder 2, a plurality of magnetic conductive medium components 3 are distributed in the sorting cylinder 2 along the axial direction thereof, the magnetic conductive medium components 3 are provided with a plurality of first surfaces 31 and second surfaces 32, and the first surfaces 31 and the second surfaces 32 are alternately distributed and connected in sequence; magnetic conduction medium subassembly 3 utilizes the not coplane first face 31 and the second face 32 can be great increase magnetic conduction medium subassembly 3 and the magnetic mineral's in the ore pulp area of contact to, the ore pulp need pass through each magnetic conduction medium subassembly 3 in proper order, and the effectual magnetic separation time and the magnetic separation route that have increased improve the magnetic separation effect.
It should be noted that, as shown in fig. 1, the ore slurry enters from one end of the separation barrel 2 far from the closed end of the outer barrel 1, under the action of the magnetic field formed by the superconducting magnet, the magnetic conductive medium component 3 can adsorb the magnetic minerals in the ore slurry to achieve the purpose of magnetic separation, and the ore slurry after magnetic separation is discharged from the opening of the outer barrel 1 along the gap between the outer barrel 1 and the separation barrel 2.
In an embodiment of the present invention, the first surface 31 is parallel to the axis of the separation cylinder 2, and the second surface 32 is perpendicular to the axis of the separation cylinder 2, so as to ensure that the ore slurry can contact with the first surface 31 when moving along the axial direction of the separation cylinder 2, and can contact with the second surface 32 when flowing along other directions; meanwhile, the first surface 31 and the second surface 32 are perpendicular to each other, so that the processing and manufacturing are convenient.
In an embodiment of the present invention, a connecting shaft 4 is disposed on the central axis of the outer cylinder 1 and the sorting cylinder 2, one end of the connecting shaft 4 is connected to the inner surface of the closed end of the outer cylinder 1, the other end of the connecting shaft 4 extends into the sorting cylinder 2, the magnetic conductive medium assembly 3 is sleeved on the connecting shaft 4, the outer cylinder 1 and the sorting cylinder 2 are fixed to each other through the connecting shaft 4, and meanwhile, the connecting shaft 4 is also used for fixing the magnetic conductive medium assembly 3 in the sorting cylinder 2. Further, the connecting shaft 4 is detachably connected with the inner surface of the closed end of the outer barrel 1, and the outer barrel 1 can be quickly separated from the sorting barrel 2 in a mode of detaching the connecting shaft 4.
On the basis of the above embodiment, high-resistance ore pulp distribution plates 5 are respectively arranged at two ends of all the magnetic conductive medium components 3 in the separation cylinder 2, the high-resistance ore pulp distribution plates 5 are respectively sleeved on the connecting shaft 4, and the two high-resistance ore pulp distribution plates 5 are used for clamping all the magnetic conductive medium components 3 to prevent the magnetic conductive medium components 3 from moving in the separation cylinder 2; furthermore, the high-resistance ore pulp distribution plate 5 can be set as a water distribution plate, so that ore pulp passing through the high-resistance ore pulp distribution plate 5 can be uniformly distributed into the separation cylinder 2, and the magnetic separation effect is improved.
On the basis of the above embodiment, the connecting shaft 4 and the side of the high resistance ore pulp distribution plate 5 away from the magnetic conductive medium component 3 are respectively provided with a locking member 41, and the locking members 41 are used for limiting the position of the high resistance ore pulp distribution plate 5 to ensure the clamping effect of the high resistance ore pulp distribution plate 5 on the magnetic conductive medium component 3; further, retaining member 41 can establish to establish the cover establish on connecting axle 4 and with the nut of connecting axle 4 threaded connection, through rotating the nut, can realize spacing the locking of high resistance ore pulp distribution plate 5 to, when needing to take out the degree of depth cleanness with magnetic conduction medium subassembly 3 from separation section of thick bamboo 2 in, can make magnetic conduction medium subassembly 3 and separation section of thick bamboo 2 quickly separating through the mode of direct pulling connecting axle 4.
The utility model discloses an in the embodiment, magnetic conduction medium subassembly 3 is the same along its axial projection along the axial projection of separation cylinder 2 with the inner chamber of separation cylinder 2, and arbitrary magnetic conduction medium subassembly 3 all can cut off the inner chamber of separation cylinder 2 promptly, and the outer peripheral face of magnetic conduction medium subassembly 3 all laminates with the inner wall of separation cylinder 2, guarantees that the ore pulp needs through all magnetic conduction medium subassemblies 3 at the flow in-process.
In an embodiment of the utility model, the magnetic conductive medium component 3 is a steel plate net, which has larger structural strength than steel wool medium, and has smaller deformation under the action of external force, so that the physical and structural characteristics can be kept for a long time, and the magnetic conductive medium component is more suitable for magnetic separation of high iron content or needle-shaped ore particles; furthermore, the meshes of the steel plate net are designed into rhombuses, and the rhombuses can facilitate the needle-shaped nonmagnetic mine to pass through the steel plate net, so that the blockage is avoided.
In one embodiment of the utility model, one end of the separation cylinder 2 far away from the closed end of the outer cylinder 1 is connected with a slurry inlet pipeline and a water outlet pipeline, and the cylinder mouth of the outer cylinder 1 is connected with a slurry outlet pipeline and a water inlet pipeline; when the utility model is positioned in a strong magnetic field formed by the superconducting magnet, ore pulp enters the separation cylinder 2 from the pulp inlet pipeline, magnetic separation is completed by the magnetic conductive medium component 3, and the ore pulp is discharged from the pulp outlet pipeline, so that a magnetic separation process is realized; accomplish when the magnetic separation, the utility model discloses after breaking away from the high-intensity magnetic field, the backwash water is washed the back and is discharged from outlet pipe way with the magnetic conduction medium subassembly 3 absorbent magnetic mineral in entering into separation cylinder 2 from the water intake pipe, realizes the backwash flow, can effectual washing magnetic conduction medium subassembly 3 and retrieve magnetic mineral.
In an embodiment of the present invention, the sorting device further includes a superconducting magnet, the superconducting magnet forms a strong magnetic field, the outer cylinder 1 is connected to a driving component for driving the outer cylinder 1 to reciprocate between completely entering the strong magnetic field and completely moving out of the strong magnetic field, and when the outer cylinder 1 is in the strong magnetic field, a magnetic separation process is performed; when the outer cylinder 1 is out of the strong magnetic field, the back flushing process is carried out.
It should be noted that the utility model discloses a steel sheet net can be through the mode shaping of a lot of punching presses, then tailor the steel sheet net after the punching press shaping according to the size of the internal diameter of separation cylinder 2 and can satisfy the operation requirement.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a sorting unit for needle-like ore grain of high iron content, characterized by includes that one end confined urceolus and cover are located the separation section of thick bamboo in the urceolus, the urceolus with the separation section of thick bamboo coaxial setting, the inner wall of urceolus with there is the clearance between the inner wall of separation section of thick bamboo, it has a plurality of magnetic conduction medium subassemblies to distribute along its axial in the separation section of thick bamboo, magnetic conduction medium subassembly has a plurality of first faces and second face, first face with the second face distributes in turn and connects gradually.
2. The apparatus as claimed in claim 1, wherein said first surface is parallel to the axis of said barrel and said second surface is perpendicular to the axis of said barrel.
3. The device for sorting the acicular ore particles with high iron content according to claim 1, wherein a connecting shaft is arranged on the central axis of the outer cylinder and the sorting cylinder, one end of the connecting shaft is connected with the inner surface of the closed end of the outer cylinder, the other end of the connecting shaft extends into the sorting cylinder, and the magnetic conductive medium components are all sleeved on the connecting shaft.
4. The apparatus as claimed in claim 3, wherein high-resistance ore pulp distribution plates are disposed at both ends of all the magnetic conductive medium assemblies in the separation cylinder, and are sleeved on the connection shaft.
5. The device for separating acicular ore particles with high iron content as claimed in claim 4, wherein the connecting shaft is provided with a locking piece at one side of the high resistance ore pulp distribution plate away from the magnetic conductive medium component.
6. The apparatus as claimed in claim 1, wherein the magnetic medium assembly has the same axial projection as the bore of the separator drum.
7. The apparatus as claimed in claim 1, wherein the magnetically conductive medium member is a steel mesh.
8. The apparatus as claimed in claim 7, wherein the meshes of the steel plate net are diamond-shaped.
9. The apparatus as claimed in claim 1, wherein the end of the separation cylinder away from the closed end of the outer cylinder is connected with a slurry inlet pipeline and a water outlet pipeline, and the opening of the outer cylinder is connected with a slurry outlet pipeline and a water inlet pipeline.
10. The apparatus as claimed in claim 1, wherein the apparatus further comprises a superconducting magnet, the superconducting magnet forms a strong magnetic field, and the outer cylinder is connected with a driving assembly for driving the outer cylinder to reciprocate between completely entering the strong magnetic field and completely exiting the strong magnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021369653.4U CN211385389U (en) | 2020-07-14 | 2020-07-14 | Sorting device for needle-shaped ore grains with high iron content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021369653.4U CN211385389U (en) | 2020-07-14 | 2020-07-14 | Sorting device for needle-shaped ore grains with high iron content |
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| CN211385389U true CN211385389U (en) | 2020-09-01 |
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| CN202021369653.4U Active CN211385389U (en) | 2020-07-14 | 2020-07-14 | Sorting device for needle-shaped ore grains with high iron content |
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