CN112371327A

CN112371327A - Magnetic separation equipment

Info

Publication number: CN112371327A
Application number: CN202011261801.5A
Authority: CN
Inventors: 吴华荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-02-19

Abstract

The invention discloses magnetic separation equipment which comprises a rack, and two permanent magnets and two magnetic separation devices which are arranged on the rack, wherein the two permanent magnets are arranged, the two magnetic separation devices are arranged in parallel, and the two magnetic separation devices can alternately move between the two permanent magnets; the magnetic separation device comprises a shell and a magnetic gathering medium arranged in the shell, wherein a feed inlet communicated to the inside of the shell is formed in the lower end of the shell, and a discharge outlet communicated to the inside of the shell is formed in the upper end of the shell. In the invention, the two magnetic separation devices can alternately move between the permanent magnets, and when one of the magnetic separation devices moves between the two permanent magnets and adsorbs and filters magnetic metal impurities in non-metallic minerals, the other magnetic separation device moves out between the two permanent magnets to clean the magnetic metal impurities adsorbed on the magnetism gathering medium in the magnetic separation device, so as to improve the mineral separation efficiency of the magnetic separation equipment.

Description

Magnetic separation equipment

Technical Field

The invention relates to the technical field of ore dressing, in particular to magnetic separation equipment.

Background

At present, in mineral engineering, because the non-metallic minerals often contain metal impurities to affect the purity of the non-metallic minerals, the non-metallic minerals are often purified by adopting a magnetic separator, and magnetic metals in the non-metallic minerals are adsorbed by a magnetism gathering medium in the magnetic separator so as to achieve the effect of purifying the non-metallic minerals.

However, after the existing magnetic separator is used for a period of time, the magnetic medium needs to be cleaned, and meanwhile, the operation of the magnetic separator needs to be stopped, but the operation of stopping the magnetic separator undoubtedly also affects the ore dressing efficiency.

Disclosure of Invention

Based on this, the invention aims to provide a magnetic separation device with high mineral separation efficiency.

The magnetic separation equipment comprises a rack, and two permanent magnets and two magnetic separation devices which are arranged on the rack, wherein the two permanent magnets are arranged, the two magnetic separation devices are arranged in parallel, and the two magnetic separation devices can alternately move between the two permanent magnets; the magnetic separation device comprises a shell and a magnetic gathering medium arranged in the shell, wherein a feed inlet communicated to the inside of the shell is formed in the lower end of the shell, and a discharge outlet communicated to the inside of the shell is formed in the upper end of the shell.

In the invention, the two magnetic separation devices can alternately move between the permanent magnets, and when one of the magnetic separation devices moves between the two permanent magnets and adsorbs and filters magnetic metal impurities in non-metallic minerals, the other magnetic separation device moves out between the two permanent magnets to clean the magnetic metal impurities adsorbed on the magnetism gathering medium in the magnetic separation device, so as to improve the mineral separation efficiency of the magnetic separation equipment.

Preferably, the magnetic separation equipment still includes fixed frame, the fixed frame middle part is equipped with and link up to the accommodation space at frame front and back both ends, two permanent-magnet body corresponds to be located on two relative inside walls of accommodation space, two the casing passes through actuating mechanism and stretches into in the accommodation space in turn.

Preferably, a connecting rod is connected between the two shells, and the driving mechanism is connected with the connecting rod.

Preferably, the connecting rods are fixedly connected between the two sides of the upper part and the lower part of the two shells, and two ends of each connecting rod correspondingly extend out of the shells; actuating mechanism is including connecting frame, moving frame and drive assembly, connecting frame is fixed in between the connecting rod of casing upper portion and lower part, just the connecting rod both ends all are equipped with connecting frame, two between the connecting frame and be located fixed frame outer interconnect have moving frame, drive assembly is used for the drive moving frame removes.

Preferably, the driving assembly comprises a driving motor, a synchronous gear and a synchronous chain, the synchronous gear is correspondingly arranged at the front end and the rear end of the rack, the synchronous chain is wound between the two synchronous gears, one of the synchronous gears is fixed on an output shaft of the driving motor, and the synchronous chain is connected with the movable frame.

Preferably, both ends all are equipped with the leading wheel about the moving frame, the guide way has been seted up along circumference to the leading wheel, both ends interconnect has the guide bar around the frame, the guide bar is equipped with two, two the guide bar corresponds is located both ends about the moving frame, just the guide bar stretches into in the guide way.

Preferably, the upper portion level in the casing is equipped with the flow distribution plate, a plurality of flow distribution holes have evenly been seted up on the flow distribution plate, the discharge gate is located the flow distribution plate top.

Preferably, a plurality of horizontal support rods for supporting the magnetic medium are connected between the two inner side walls of the lower portion in the housing, the plurality of horizontal support rods are located on the same horizontal plane, and the plurality of horizontal support rods are parallel to each other.

Preferably, two inner side walls of the lower part in the shell are gradually inclined inwards from top to bottom.

Preferably, the magnetic medium gathering rod comprises a plurality of magnetic medium gathering rods, and the plurality of magnetic medium gathering rods form a net structure.

Compared with the prior art, in the magnetic separation equipment, on one hand, the magnetic gathering medium can be conveniently cleaned by adopting the magnetic gathering medium, so that the magnetic separation equipment is convenient to use; meanwhile, the magnetism gathering medium forms a net-shaped structure, so that ore pulp can uniformly pass through the magnetism gathering medium, the blockage is not easy to occur, the filtration of the ore pulp by the magnetism gathering medium is more uniform and thorough, and the purification effect on non-metallic minerals is good; on the other hand, the magnetic separation device can alternately carry out ore dressing work, and is favorable for improving the working efficiency of the magnetic separation equipment.

For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view from another perspective of an embodiment of the present invention;

FIG. 3 is a schematic view of the magnetic separation apparatus of the present invention;

FIG. 4 is a perspective view of an embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a schematic diagram of a pole of a magnetic media assembly according to an embodiment of the present invention;

FIG. 7 is a schematic view of a pole of a magnetic media assembly according to another embodiment of the present invention;

FIG. 8 is a cross-sectional structural schematic view of a poly magnetic media rod according to other embodiments of the present invention;

FIG. 9 is a cross-sectional view of a rod of a magnetic recording medium according to another embodiment of the present invention.

Reference numerals: 1. a frame; 2. a permanent magnet; 3. a magnetic separation device; 31. a magnetic flux collecting medium; 311. a flux concentrating dielectric rod; 312. an annular medium; 313. an annular spike medium; 314. a cord medium; 315. a strip-shaped spine medium; 316. edges and corners; 317. a spine structure; 32. a housing; 33. a feed inlet; 34. a discharge port; 35. a flow distribution plate; 36. a shunt hole; 37. a horizontal support bar; 4. a fixed frame; 5. a drive mechanism; 51. a connecting frame; 52. moving the frame; 53. a drive assembly; 531. a drive motor; 532. a synchronizing gear; 6. a connecting rod; 7. a guide wheel; 8. a guide rod.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.

The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, the present invention relates to a magnetic separation apparatus, which includes a frame 1, two permanent magnets 2 and two magnetic separation devices 3 both disposed on the frame 1, wherein the number of the permanent magnets 2 is two, the number of the magnetic separation devices 3 is two, the two magnetic separation devices 3 are disposed in parallel, and the two magnetic separation devices 3 can alternately move between the permanent magnets 2; the magnetic separation device 3 comprises a shell 32 and a magnetic gathering medium 31 arranged in the shell 32, wherein the lower end of the shell 32 is provided with a feed inlet 33 communicated to the interior of the shell 32, and the upper end of the shell 32 is provided with a discharge outlet 34 communicated to the interior of the shell 32.

In the invention, the two magnetic separation devices 3 can alternately move to the space between the permanent magnets 2, and then when one of the magnetic separation devices 3 moves to the space between the two permanent magnets 2 and adsorbs and filters magnetic metal impurities in non-metallic minerals, the other magnetic separation device 3 moves out of the space between the two permanent magnets 2 to clean the magnetic metal impurities adsorbed on the magnetism-gathering medium 31 in the magnetic separation device 3, so as to improve the mineral separation efficiency of the magnetic separation equipment.

Magnetic separation equipment still includes fixed frame 4, fixed frame 4 middle part is equipped with the accommodation space who link up to frame 1 front and back both ends, two permanent-magnet body 2 corresponds locates on the inside wall that two are relative in the accommodation space, two casing 32 stretches into in the accommodation space through actuating mechanism 5 in turn.

Drive two through actuating mechanism 5 the casing 32 alternate movement of magnetic separation device 3 is to two between the permanent-magnet body 2, and then make things convenient for two magnetic separation device 3 conversion operating condition, it is convenient magnetic separation equipment's operation.

Two interconnect has connecting rod 6 between the casing 32, actuating mechanism 5 with connecting rod 6 connects, and then fixes two through connecting rod 6 magnetic separation device 3 two casing 32 to make actuating mechanism 5 can drive two in step two casing 32 synchronous motion of magnetic separation device 3.

The connecting rods 6 are fixedly connected between the two sides of the upper part and the lower part of the two shells 32, and two ends of each connecting rod 6 correspondingly extend out of the shells 32; actuating mechanism 5 includes connected frame 51, moving frame 52 and drive assembly 53, connected frame 51 is fixed in between connecting rod 6 of casing 32 upper portion and lower part, just connecting rod 6 both ends all are equipped with connected frame 51, two just be located fixed frame 4 outer interconnect between the connected frame 51 moving frame 52, connected frame 51 all is connected with along length direction's both ends moving frame 52, drive assembly 53 is used for the drive moving frame 52 is followed frame 1 fore-and-aft direction removes.

Four connecting rods 6 are connected between the two shells 32, and the connecting frame 51 is fixedly connected with the four connecting rods 6, so that the two shells 32 can move more stably, and the magnetic separation equipment can work smoothly.

The driving assembly 53 includes a driving motor 531, a synchronizing gear 532 and a synchronizing chain, the synchronizing gear 532 is correspondingly disposed at both front and rear ends of the rack 1, the synchronizing chain is disposed between the two synchronizing gears 532, one of the synchronizing gears 532 is fixed on an output shaft of the driving motor 531, and the synchronizing chain is connected with the moving frame 52.

The driving motor 531 drives the synchronous gear 532 to rotate so as to drive the synchronous chain to drive the movable frame 52 to drive the connecting frame 51 to move, so that the two shells 32 are finally driven to move, and the normal operation of the magnetic separation equipment is ensured.

Both ends all are equipped with leading wheel 7 about moving frame 52, the guide way has been seted up along circumference to leading wheel 7, both ends interconnect has guide bar 8 around frame 1, guide bar 8 is equipped with two, two guide bar 8 corresponds locates both ends about moving frame 52, just guide bar 8 stretches into in the guide way.

Preferably, two guide wheels 7 are correspondingly arranged at the upper end and the lower end of the movable frame 52.

Through the arrangement of the guide wheel 7 and the guide rod 8, the moving frame 52 is more stable to move, so that the two shells 32 are more stable to move, and the normal operation of the magnetic separation equipment is finally ensured.

In this embodiment, be equipped with a plurality ofly in parallel on the frame 1 fixed frame 4, and every all be equipped with two in the fixed frame 4 magnetic separation device 3, connecting frame 51 is connected with connecting rod 6 in a plurality of fixed frame 4 to realize drive assembly 53 simultaneously and drive a plurality ofly in the fixed frame 4 magnetic separation device 3 carries out work, has further improved magnetic separation equipment's work efficiency.

The upper portion level in the casing 32 is equipped with flow distribution plate 35, a plurality of flow distribution holes 36 have evenly been seted up on flow distribution plate 35, discharge gate 34 is located flow distribution plate 35 top.

When the magnetic separation device 3 between two permanent magnets 2 works, the ore pulp enters the casing 32 through the feed inlet 33 at the lower part of the casing 32, and when the mineral aggregate passes through the diversion holes 36 uniformly formed in the diversion plate 35, the ore pulp can flow more uniformly in the casing 32, so that the ore pulp can more uniformly pass through the magnetic collection medium 31, and the magnetic metal impurities in the ore pulp are more uniformly adsorbed by the magnetic collection medium 31.

It is a plurality of horizontal support rods 37 that are used for supporting gather magnetic medium 31 to be connected with between the double-phase inside wall of lower part in casing 32, and is a plurality of horizontal support rods 37 are located same horizontal plane, and are a plurality of horizontal support rods 37 are parallel to each other, with supporting gather under the prerequisite of magnetic medium 31, do not hinder the ore pulp flow in casing 32, guarantee magnetic separation equipment's smooth work.

The two inner side walls of the lower part of the shell 32 are gradually inclined inwards from top to bottom, and then when the magnetic medium 31 is cleaned, the flowing water is introduced into the discharge hole 34 at the upper part of the shell 32 to flush the impurities on the magnetic medium 31 to the feed hole 33 at the lower part of the shell 32, so as to discharge the magnetic metal impurities.

In this embodiment, the magnetic medium gathering 31 includes a plurality of magnetic medium gathering rods 311, and the plurality of magnetic medium gathering rods 311 form a mesh structure to better adsorb magnetic metal impurities in the ore slurry.

As shown in fig. 4 and 5, the magnetic medium collecting 31 includes a plurality of rigid magnetic medium collecting rods 311, the plurality of magnetic medium collecting rods 311 are divided into two groups, the two groups of magnetic medium collecting rods 311 are stacked and fixed together, the plurality of magnetic medium collecting rods 311 in one group are parallel to each other, the plurality of magnetic medium collecting rods 311 in the other group are parallel to each other, the plurality of magnetic medium collecting rods 311 in the two groups are perpendicular to each other, and a magnetic field gradient reinforcing structure for reinforcing a magnetic field gradient between adjacent magnetic medium collecting rods 311 is disposed on an outer wall of the magnetic medium collecting rods 311.

In the invention, two groups of magnetic medium gathering rods 311 form a magnetic medium gathering 31 with a net structure, the magnetic medium gathering rods 311 are rigid mediums, and meanwhile, a magnetic field gradient reinforcing structure for reinforcing the magnetic field gradient between adjacent magnetic medium gathering rods 311 is arranged on the outer wall of each magnetic medium gathering rod 311, so that the magnetic medium gathering 31 can adsorb magnetic metal impurities more uniformly, and the purification effect of non-metallic minerals is better; compared with the existing magnetic gathering medium adopting steel wool, the magnetic gathering medium 31 is not easy to block ore pulp, and can ensure that the ore pulp uniformly passes through the magnetic gathering medium 31, so that the magnetic gathering medium 31 has a better magnetic metal adsorption effect, and meanwhile, when the magnetic gathering medium 31 is cleaned by water, magnetic metal impurities are not easy to clamp between the magnetic gathering medium rods 311, so that the cleaning is easy.

In this embodiment, two sets of the magnetic medium gathering rods 311 are stacked together and fixed by welding, so as to ensure the stability of the magnetic medium gathering 31; in other embodiments, two sets of a plurality of the magnetically permeable media bars 311 are bound together.

With reference to fig. 6, in the present invention, the magnetic field gradient reinforcing structure includes a plurality of annular media 312, the annular media 312 are arranged around the outer wall of the magnetic flux collecting rod 311, the plurality of annular media 312 are uniformly distributed along the axial direction of the magnetic flux collecting rod 311, both ends of one side of the annular media 312, which is far away from the magnetic flux collecting rod 311, are both edges 316, and the edges 316 are arranged along the circumferential direction of the annular media 312.

Through the edges and corners 316 converge the magnetic force line, the magnetic induction intensity at the tip of the edges and corners 316 is greatly improved, the magnetic field nonuniformity on the surface of the medium is strengthened, the magnetic field gradient of the medium is improved, the trapping capacity of the medium on magnetic metal minerals is enhanced, the magnetic metal minerals in the non-metal minerals are effectively adsorbed, and then the non-metal minerals are effectively purified.

The width of the annular medium 312 gradually narrows from the end connected to the magnetic medium gathering rod 311 to the end far away from the magnetic medium gathering rod 311, so that inclined planes are formed on two side surfaces of the annular medium 312, which is beneficial to that magnetic metal mineral impurities are easy to break away from the magnetic medium gathering rod 311 when the magnetic medium gathering rod 31 is cleaned, and the cleaning of the magnetic medium gathering rod 31 is facilitated.

As shown in fig. 7, in other embodiments, the magnetic field gradient reinforcing structure is an annular spike medium 313, a plurality of annular spike media 313 are uniformly distributed along the axial direction of the magnetic flux collecting medium rod 311, the annular spike medium 313 is arranged around the outer wall of the magnetic flux collecting medium rod 311, and a spike structure 317 is arranged on one side of the annular spike medium 313 away from the magnetic flux collecting medium rod 311.

A spine structure 317 is formed on one side, far away from the magnetic medium gathering rod 311, of the annular spine medium 313, so that the magnetic field gradient at the point of the spine structure 317 is enhanced, the trapping capacity of magnetic metal minerals is enhanced, and the adsorption effect of the magnetic medium gathering rod 31 is ensured.

As shown in fig. 8, in another embodiment, the magnetic field gradient reinforcing structure includes a ribbed medium 314, where the ribbed medium 314 is disposed on an outer wall of the magnetic flux collecting rod 311 along an axial direction of the magnetic flux collecting rod 311, and both ends of the ribbed medium 314, which are far away from one side of the magnetic flux collecting rod 311 and perpendicular to the axial direction of the magnetic flux collecting rod 311, are corners 316.

The edge 316 is arranged along the axial direction of the magnetic medium gathering rod 311, which is beneficial to increasing the area of the magnetic medium gathering 31 for absorbing magnetic metal minerals and improving the filtering effect of the magnetic medium gathering 31.

Preferably, the raised line medium 314 is provided with a plurality of raised line media 314, and the raised line media 314 are uniformly distributed along the circumferential direction of the magnetic gathering medium rod 311, so as to further improve the filtering effect of the magnetic gathering medium 31 and improve the purification effect of the nonmetallic minerals.

As shown in fig. 9, in yet another embodiment, the magnetic field gradient reinforcing structure includes a plurality of strip-shaped spike media 315, the strip-shaped spike media 315 are disposed on an outer wall of the magnetic flux collecting media rod 311 along an axial direction of the magnetic flux collecting media rod 311, the plurality of strip-shaped spike media 315 are uniformly distributed along a circumferential direction of the magnetic flux collecting media rod 311, and a spike structure 317 is disposed on a side of the strip-shaped spike media 315 away from the magnetic flux collecting media rod 311.

The side, far away from the magnetic medium gathering rod 311, of the strip-shaped spike medium 315 forms a spike structure 317 to further improve the adsorption capacity of the magnetic medium gathering 31 to magnetic metal impurities, and meanwhile, the strip-shaped spike medium 315 is axially arranged along the magnetic medium gathering rod 311 to improve the adsorption area of the magnetic medium gathering 31, so that the filterability of the magnetic medium gathering 31 is improved.

In this embodiment, the magnetic medium gathering rod 311 and the magnetic field gradient reinforcing structure are an integrated structure to ensure the integrity of the magnetic medium gathering rod 311 and ensure the stability of the magnetic medium gathering rod 311.

In this embodiment, the cross section of the magnetic medium gathering rod 311 is circular, so as to facilitate the processing and manufacturing of the magnetic medium gathering rod 311, and in other embodiments, the cross section of the magnetic medium gathering rod 311 may also be a geometric structure such as a rectangle or a triangle.

A plurality of magnetic gathering media 31 can be stacked in the magnetic separation equipment to improve the filtering effect of the magnetic separation equipment.

In summary, compared with the prior art, in the magnetic separation device of the present invention, on one hand, by using the magnetic concentration medium 31, the magnetic concentration medium 31 can be conveniently cleaned, which facilitates the use of the magnetic separation device; meanwhile, the magnetic gathering medium 31 forms a net-shaped structure, so that ore pulp can uniformly pass through the magnetic gathering medium, the ore pulp is not easy to block, the magnetic gathering medium 31 can filter the ore pulp more uniformly and thoroughly, and the purifying effect on the nonmetallic minerals is good; on the other hand, the magnetic separation device can alternately carry out ore dressing work, and is favorable for improving the working efficiency of the magnetic separation equipment.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The magnetic separation equipment is characterized in that: the magnetic separation device comprises a rack, two permanent magnets and two magnetic separation devices, wherein the two permanent magnets and the two magnetic separation devices are arranged on the rack, the two magnetic separation devices are arranged in parallel, and the two magnetic separation devices can alternately move between the two permanent magnets; the magnetic separation device comprises a shell and a magnetic gathering medium arranged in the shell, wherein a feed inlet communicated to the inside of the shell is formed in the lower end of the shell, and a discharge outlet communicated to the inside of the shell is formed in the upper end of the shell.

2. The magnetic separation apparatus of claim 1, wherein: still include fixed frame, fixed frame middle part is equipped with the accommodation space that link up to both ends around the frame, two permanent-magnet body corresponds locates on the two relative inside walls of accommodation space, two the casing stretches into in the accommodation space through actuating mechanism in turn.

3. The magnetic separation apparatus of claim 2, characterized in that: and a connecting rod is connected between the two shells, and the driving mechanism is connected with the connecting rod.

4. The magnetic separation apparatus of claim 3 wherein: the two sides of the upper part and the lower part of the two shells are fixedly connected with the connecting rod, and two ends of the connecting rod correspondingly extend out of the shells; actuating mechanism is including connecting frame, moving frame and drive assembly, connecting frame is fixed in between the connecting rod of casing upper portion and lower part, just the connecting rod both ends all are equipped with connecting frame, two between the connecting frame and be located fixed frame outer interconnect have moving frame, drive assembly is used for the drive moving frame removes.

5. Magnetic separation apparatus according to claim 4, characterised in that: the driving assembly comprises a driving motor, a synchronous gear and a synchronous chain, the synchronous gear is correspondingly arranged at the front end and the rear end of the rack, the synchronous chain is wound between the two synchronous gears, one synchronous gear is fixed on an output shaft of the driving motor, and the synchronous chain is connected with the movable frame.

6. Magnetic separation apparatus according to claim 4, characterised in that: the guide wheels are arranged at the upper end and the lower end of the movable frame respectively, guide grooves are formed in the guide wheels along the circumferential direction, guide rods are connected to the front end and the rear end of the rack respectively, two guide rods are arranged on the upper end and the lower end of the movable frame correspondingly, and the guide rods stretch into the guide grooves.

7. Magnetic separation apparatus according to any one of claims 1 to 6, characterised in that: the upper portion level in the casing is equipped with the flow distribution plate, a plurality of flow distribution holes have evenly been seted up on the flow distribution plate, the discharge gate is located the flow distribution plate top.

8. Magnetic separation apparatus according to any one of claims 1 to 6, characterised in that: a plurality of horizontal supporting rods for supporting the magnetic gathering media are connected between the two inner side walls of the lower portion in the shell, the horizontal supporting rods are located on the same horizontal plane, and the horizontal supporting rods are parallel to each other.

9. Magnetic separation apparatus according to any one of claims 1 to 6, characterised in that: the two inner side walls of the lower part in the shell are gradually inclined inwards from top to bottom.

10. Magnetic separation apparatus according to any one of claims 1 to 6, characterised in that: the magnetic gathering medium comprises a plurality of magnetic gathering medium rods, and a net structure is formed by the plurality of magnetic gathering medium rods.