CN202893496U - Fine-grained strong and permanent magnet drum-type wet magnetic separator - Google Patents
Fine-grained strong and permanent magnet drum-type wet magnetic separator Download PDFInfo
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- CN202893496U CN202893496U CN201220576384.8U CN201220576384U CN202893496U CN 202893496 U CN202893496 U CN 202893496U CN 201220576384 U CN201220576384 U CN 201220576384U CN 202893496 U CN202893496 U CN 202893496U
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Abstract
The utility model discloses a fine-grained strong and permanent magnet drum-type wet magnetic separator, comprising a frame, a feeding tank, a permanent magnet drum-type sorting mechanism, and an unloading device, wherein the feeding tank, the permanent magnet drum-type sorting mechanism, and the unloading device are arranged on the frame; the permanent magnet drum-type sorting mechanism also comprises a magnetic conducting bottom plate, a plurality of permanent magnets and a plurality of magnetizers; the permanent magnets are arranged at the inner side of the drum and evenly distributed along the axial direction of the drum at intervals; the like poles of each permanent magnet are opposite; the magnetizers are filled inside the intervals of the permanent magnets and form a plurality of permanent magnet system units together with the permanent magnets; the magnetic pole at one end the magnetizer towards the outside of the drum is the same as the magnetic pole of the permanent magnet adjacent to the magnetizer; the magnetic conducting bottom plate is arranged below the drum and forms a sorting space together with the permanent magnet system units at intervals; a magnetic line is formed between the magnetic poles at one end of the adjacent magnetic conductor towards the outer side of the drum; the magnetic line passes through the magnetic conducting bottom plate, and a tailing discharge hole is arranged on the magnetic conducting bottom plate. The fine-grained strong and permanent magnet drum-type wet magnetic separator can increase the adsorption force of the magnetic field of the permanent magnet drum-type sorting mechanism, and achieves the aims of effectively sorting the fine-grained minerals.
Description
Technical field
The utility model relates to the sorting mineral device in the Mineral Processing Industry, is specifically related to the strong magnetic permanent-magnet chamber type of fine fraction wet separation magnetic separator.
Background technology
Weak magnetic mineral is one of important mineral resources of China.Since magnetic a little less than, aspect electromagnetic dressing, be subject to a certain extent the effects limit such as equipment and technology level and economic benefits indicator.With regard to the representative weak magnetic metal mineral such as manganese ore, bloodstone and limonite, mainly at present adopt following sorting schemes:
(1) for the weak magnetic mineral of+5mm grade scope, uses with dry type permanent magnetic strong magnetic cylinder (roller) the formula magnetic separator of air as separating medium;
(2) for-5mm ~+weak magnetic mineral of 1mm grade scope, by the device that above-mentioned dry type permanent magnetic strong magnetic cylinder and the immersion water tank with stable liquid level are formed, top as separating medium, can be realized preferably separating effect with water to the ore deposit;
(3) for the weak magnetic mineral of-1mm grade scope, i.e. fine fraction weak magnetic mineral in the production uses the sorting of high gradient electromagnetic separator more.
The fine fraction weak magnetic mineral is in assorting room, and is high to granularity requirements because power consumption, the water consumption of high gradient electromagnetic separator is all larger, otherwise easily stops up, and can affect production, thus usually to configure grinding system, cause to screening require highly, investment is large.Especially for limonite, ore grinding easily produces the argillization phenomenon, and rate of recovery loss is large.
For the poor small-sized ore dressing plant of natural conditions, the use of high gradient electromagnetic separator has been subject to certain restriction, often considers to adopt the miscellaneous equipment scheme.Because the mineral bad dispersibility of-1mm grade often sticks together, if use (1) kind scheme, the dry-type separation effect is bad; (2) although the kind scheme with water as separating medium, soaking water makes it discrete, but Main Function power or magnetic field force and centrifugal force that the monomer magnetic mineral is separated with the monomer non magnetic ore, because the non magnetic ore granularity of-1mm grade is little, the centrifugal force of being authorized it by rotor is not enough so that it casts cylinder aside, and the magnetic mineral that still is attracted on the cylinder is entrained in the concentrate that selects after dividing.In addition, fine-graded non magnetic ore granularity little (1mm level), lightweight, because buoyancy of water effect in the separatory vessel, even be separated, according to Stokes' law, the fall off rate of solid in liquid roughly with square being directly proportional of solid size, fine-graded non magnetic ore sinking speed is relatively very slow, and often some is suspended in the whole water tank, a part is deposited on the passing away of concentrate after the sorting, causes separating effect undesirable, and concentrate grade does not reach the requirement of separation index after the sorting.In individual cases, even can make harmful element content severe overweight in the concentrate.
The utility model content
Technical problem to be solved in the utility model is to provide the strong magnetic permanent-magnet chamber type of a kind of fine fraction wet separation magnetic separator, can increase the magnetic field absorption affinity of permanent-magnet chamber type sorting mechanism, realizes effectively the sorting to the fine fraction mineral.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The strong magnetic permanent-magnet chamber type of a kind of fine fraction wet separation magnetic separator, comprise frame and be installed on giving ore deposit case, permanent-magnet chamber type sorting mechanism and unloading the ore deposit device on the frame, described permanent-magnet chamber type sorting mechanism comprises cylinder and is used for driving the rotating driving device of cylinder rotation, described permanent-magnet chamber type sorting mechanism also comprises magnetic conduction base plate, a plurality of permanent magnet and a plurality of magnetic conductor, described permanent magnet is positioned at the medial surface of cylinder and uniform along the axially spaced-apart of cylinder, and the like pole of each permanent magnet is relative; Described magnetic conductor is filled in the interval of permanent magnet, and consisting of permanent magnetism with permanent magnet is the unit, and the magnetic pole line of magnetic conductor and the magnetic pole line of permanent magnet are perpendicular, and magnetic conductor is towards the end magnetic pole permanent magnet pole same sex adjacent with magnetic conductor in the cylinder outside; Described permanent magnetism is that the unit is a plurality of, circumferentially is fan-shaped distribution along cylinder; Described magnetic conduction base plate is circular arc, be located under the cylinder, and with permanent magnetism be the sorting space that unit interval is formed for ore pulp circulation, adjacent magnetic conductor forms magnetic circuit towards between an end magnetic pole in the cylinder outside, this magnetic circuit penetrates the magnetic conduction base plate; Described magnetic conduction base plate is provided with tailing outlet port; The described ore pulp of ore deposit case output of giving enters the sorting space, be magnetic mineral in the unit absorption ore pulp by permanent magnetism, magnetic mineral is unloaded the ore deposit device and is discharged after the rotarily driving of cylinder, simultaneously, non magnetic ore in the ore pulp is under the effect of waterpower, discharged by the sand removing hole that the magnetic conduction base plate arranges, form the following current cell body.
On the basis of the above, the utility model can be done following improvement:
Pipe magnetic separator sorting mechanism described in the utility model also comprises regulating shaft and connecting plate, described regulating shaft and frame are hinged and concentric with cylinder, described a plurality of permanent magnetism is that the unit is fixed on the regulating shaft through connecting plate, in order to regulate the magnetic declination that permanent magnetism is the unit by regulating shaft.
Magnetic conduction base plate described in the utility model is concentric with cylinder, and the central angle θ of magnetic conduction base plate is 120 ° ~ 135 °, the following current cell body adopt high overfall to be beneficial to mineral/ore pulp to stop time enough in the sorting space be unit absorption by permanent magnetism.
A plurality of permanent magnetism described in the utility model is that the sector crosssection of cell distribution formation is concentric with cylinder, the central angle of this sector crosssection
Be 140 ° ~ 150 °, adsorb magnetic mineral in order to produce enough magnetic force.
The central angle of sector crosssection described in the utility model
Be not less than 15 ° with the difference of the central angle θ of magnetic conduction base plate, the angle of setting forms unloads the mining area and is convenient to unload the ore deposit device and unloads the ore deposit.
The length L that every permanent magnet described in the utility model makes progress at Cylindorical rod is more than or equal to 26mm, and the height that directly makes progress at cylinder is more than or equal to 90mm, so that enough large by the magnetic flux of magnetic conductor.
The thickness of magnetic conduction base plate described in the utility model is more than 2 times of magnetic conductor thickness.。
A plurality of permanent magnetism described in the utility model is that the diameter of the sector crosssection of cell distribution formation is 380mm ~ 600mm.
Also be equipped with on the support described in the utility model for the spray equipment that cleans cylinder sides, this spray equipment is positioned at the outside of cylinder, in order to clean.
Compared with prior art, the utility model technology has following beneficial effect:
(1) magnetic circuit of adjacent magnetic conductor derivation of the present utility model penetrates the magnetic conduction base plate and forms closed magnetic circuit (namely forming flux loop), because magnetic conduction and the magnet accumulating cap of magnetic conduction base plate, greatly shortened magnetic loop in the sorting space than prior art, reduced the magnetic resistance of magnetic loop, whole permanent magnetism is that the leakage magnetic flux of the permanent magnetism system of unit composition reduces, magnetic flux by the magnetic conduction pole plate is increased, the magnetic flux density that is the interval of magnetic conduction base plate top sorting increases, thereby so that the magnetic field force in sorting space and depth of interaction increase, can effectively adsorb fine fraction namely-magnetic mineral of 1mm level, its cost is low, separating effect is remarkable, and concentrate grade can reach index request after the sorting;
(2) like pole of each permanent magnet of the present utility model is relative, and magnetic conductor alternately changes vertically towards an end magnetic pole in the cylinder outside, and is radially constant along cylinder, weak magnetic mineral is attracted on the cylinder can not come off.
(3) sorting of the present utility model space is not stopped up, and conserves water; The flow direction of ore pulp is consistent with the discharge direction of magnetic mineral in the sorting space, namely forms the following current cell body, has greatly reduced ore pulp to being discharged from the resistance of mineral, in the situation that the same magnetic field force, has improved the rate of recovery of magnetic mineral;
(4) symmetrical center line that the utility model can be by regulating shaft regulation fan tee section and the angle of the symmetrical center line of magnetic conduction base plate make sector crosssection according to the direction of rotation biasing of cylinder, so that emptier unloads the magnetic mineral that is adsorbed.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the utility model permanent magnetism is the scheme of installation of unit.
Among the figure: 1, frame; 2, give the ore deposit case; 3, unload the ore deposit device; 4, cylinder; 5, magnetic conduction base plate; 51, tailing outlet port; 6, permanent magnet; 7, magnetic conductor; 8, regulating shaft; 9, connecting plate; 10, permanent magnetism system; 11, spray equipment; 12, sorting space.
The specific embodiment
Below in conjunction with specific embodiment the utility model is further set forth.
The strong magnetic permanent-magnet chamber type of a kind of fine fraction wet separation magnetic separator shown in Fig. 1-2, comprise frame 1 and all be installed on the frame to ore deposit case 2, permanent-magnet chamber type sorting mechanism and unload ore deposit device 3, the permanent-magnet chamber type sorting mechanism comprises cylinder 4, is used for driving rotating driving device, magnetic conduction base plate 5, a plurality of permanent magnet 6, a plurality of magnetic conductor 7, regulating shaft 8 and the connecting plate 9 of cylinder 4 rotations.
As shown in Figure 2, wherein, permanent magnet 6 is positioned at the medial surface of cylinder 4 and uniform along the axially spaced-apart of cylinder 4, and the like pole of each permanent magnet 6 is relative; The radial height along cylinder 4 of permanent magnet 6 is more than the 90mm, and permanent magnet 6 is more than the 26mm in cylinder 4 length L on axially.Magnetic conductor 7 is filled in the interval of permanent magnet 6, and consisting of permanent magnetism with permanent magnet 6 is the unit.The interval I of adjacent permanent magnet 6 is magnetic conductor 7 along the axial length of cylinder 4, in the present embodiment, permanent magnet 6 cylinder 4 on axially length L and the ratio of the spacing distance I of 6 of adjacent permanent magnet be 4:1.This ratio also can be chosen in the scope of 3 ~ 5:1, can guarantee equally shorter magnetic conductor 7 pole pitch.Also can increase the magnetic pole area of permanent magnet 6, to guarantee enough magnetic force.
The magnetic pole line of magnetic conductor 7 and the magnetic pole line of permanent magnet 6 are perpendicular, and magnetic conductor 7 is beneficial to and produces maximum magnetic flux towards the adjacent permanent magnet 6 magnetic pole same sexes of the end magnetic pole in cylinder 4 outsides and magnetic conductor 7.
It is a plurality of that permanent magnetism is that the unit is set to, diameter and cost requirement according to cylinder 4 arrange this quantity, what permanent magnetism was the unit along cylinder 4 circumferentially is fan-shaped distribution, it is that cell formation permanent magnetism is 10 that this cross section is fan-shaped a plurality of permanent magnetism, the diameter of its sector crosssection is φ 450mm, also can choose in the scope of φ 380mm ~ φ 600mm, the major diameter in this scope is conducive to the raising of the rate of recovery and treating capacity, can reduce the lower limit of selected mineral granularity simultaneously.A plurality of permanent magnetism are that the sector crosssection of cell distribution formation is concentric with cylinder 4, the central angle of this sector crosssection
Be 140 °, also can be in 140 ° ~ 150 ° scope value.
Magnetic conduction base plate 5 is circular arc, and thickness is the twice of the spacing distance I of 6 of adjacent permanent magnet, can be more than 12mm.This magnetic conduction base plate 5 is located under the cylinder 4, and with permanent magnetism be that unit interval forms the sorting space 12 that is used for uniformly flow of slurry reduction of fractions to a common denominator choosing.Magnetic conduction base plate 5 is set concentric with cylinder 4, its central angle θ is 120 °, also can be in 120 ° ~ 135 ° scope value, adjacent magnetic conductor 7 forms magnetic circuit towards between an end magnetic pole in cylinder 4 outsides, this magnetic circuit penetrates magnetic conduction base plate 5.Unload the magnetic mineral that is adsorbed for ease of unloading ore deposit device 3, the central angle of sector crosssection is set
Equal 15 ° with the difference of the central angle θ of magnetic conduction base plate 5, form according to the angle of cylinder 4 direction of rotation biasing and unload the mining area and be convenient to unload ore deposit device 3 and unload the ore deposit.Simultaneously, the adjusting of the angle of this biasing can be regulated realization by regulating shaft 8: regulating shaft 8 is hinged and concentric with cylinder 4 with frame 1, and a plurality of permanent magnetism are that the unit is fixed on the regulating shaft 8 through connecting plate 9, and regulating shaft 8 sector crosssection of can setovering is regulated in rotation.Simultaneously, the present embodiment is equipped with adjusting screw(rod) between frame and magnetic conduction base plate, regulating the distance h of magnetic conduction base plate 5 and barrel surface, with sorting of the weak magnetic mineral that adapts to different grain size scope and different relative magnetic susceptibilities.In addition, have infinitely variable speed transmission in the rotating driving device of the present embodiment, according to the selected mineral of difference, the angular speed of adjustable pitch circle cylinder 4 rotations is to reach best separating effect.
Magnetic conduction base plate 5 is provided with tailing outlet port 51, the entrance in sorting space 12 to tailing outlet port 51 is a minute constituency, enter cylinder 4 drives that are rotated behind minute constituency in sorting space 12 for the ore pulp of ore deposit case 2 outputs, being subjected to waterpower, permanent magnetism is the magneticaction of unit, magnetic mineral is that concentrate is adsorbed, and non magnetic ore is that mine tailing is discharged through tailing outlet port 51 under hydraulic action.Minute constituency and unload and be the delivery area between the mining area, magnetic mineral is unloaded ore deposit device 3 and is unloaded discharge to unloading the mining area by cylinder 4 rotations, finally realizes sorting.The ore deposit device 3 that unloads of the present embodiment is roller type, the direction of rotation of the rotation direction of its roller and cylinder 4.
In the present embodiment, also be equipped with on support for the spray equipment 11 that cleans cylinder 4 sides, this spray equipment 11 is positioned at the periphery of cylinder 4, and its shower nozzle is aimed at cylinder 4, in order to clean.
Embodiment of the present utility model is not limited to this, according to foregoing, ordinary skill knowledge and customary means according to this area, do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite, equivalent modifications, replacement or change that the utility model can also be made other various ways all can realize the utility model purpose.
Claims (8)
1. the strong magnetic permanent-magnet chamber type of fine fraction wet separation magnetic separator, comprise frame (1) and be installed on and give ore deposit case (2) on the frame (1), permanent-magnet chamber type sorting mechanism and unload ore deposit device (3), described pipe magnetic separator sorting mechanism comprises cylinder (4) and is used for driving the rotating driving device of cylinder (4) rotation, it is characterized in that: described permanent-magnet chamber type sorting mechanism also comprises magnetic conduction base plate (5), a plurality of permanent magnets (6) and a plurality of magnetic conductor (7), described permanent magnet (6) is positioned at the medial surface of cylinder (4) and uniform along the axially spaced-apart of cylinder (4), and the like pole of each permanent magnet (6) is relative; Described magnetic conductor (7) is filled in the interval of permanent magnet (6), consisting of permanent magnetism with permanent magnet (6) is the unit, the magnetic pole line of the magnetic pole line of magnetic conductor (7) and permanent magnet (6) is perpendicular, and magnetic conductor (7) is towards end magnetic pole permanent magnet (6) the magnetic pole same sex adjacent with magnetic conductor (7) in cylinder (4) outside; Described permanent magnetism is that the unit is a plurality of, circumferentially is fan-shaped distribution along cylinder (4); Described magnetic conduction base plate (5) is circular arc, be located under the cylinder (4), and with permanent magnetism be the sorting space (12) that unit interval is formed for ore pulp circulation, adjacent magnetic conductor (7) forms magnetic circuit towards between an end magnetic pole in cylinder (4) outside, this magnetic circuit penetrates magnetic conduction base plate (5); Described magnetic conduction base plate (5) is provided with tailing outlet port (51); The described ore pulp of ore deposit case output of giving enters sorting space (12), be magnetic mineral in the unit absorption ore pulp by permanent magnetism, magnetic mineral is unloaded the ore deposit device and is discharged under the rotarily driving of cylinder (4), simultaneously, the non magnetic ore in the ore pulp is discharged at the outlet (51) that magnetic conduction base plate (5) arranges.
2. the strong magnetic permanent-magnet chamber type of fine fraction according to claim 1 wet separation magnetic separator, it is characterized in that: described permanent-magnet chamber type sorting mechanism also comprises regulating shaft (8) and connecting plate (9), described regulating shaft (8) is hinged and concentric with cylinder (4) with frame, and described a plurality of permanent magnetism are that the unit is fixed on the regulating shaft (8) through connecting plate (9).
3. the strong magnetic permanent-magnet chamber type of fine fraction according to claim 1 wet separation magnetic separator, it is characterized in that: described magnetic conduction base plate (5) is concentric with cylinder (4), and the central angle θ of this magnetic conduction base plate (5) is 120 ° ~ 135 °.
4. the strong magnetic permanent-magnet chamber type of fine fraction according to claim 3 wet separation magnetic separator is characterized in that: described a plurality of permanent magnetism are that the sector crosssection that consists of of cell distribution is concentric with cylinder (4), the central angle of this sector crosssection
It is 140 ° ~ 150 °.
5. the strong magnetic permanent-magnet chamber type of fine fraction according to claim 4 wet separation magnetic separator is characterized in that: the central angle of described sector crosssection
Be not less than 15 ° with the difference of the central angle θ of magnetic conduction base plate (5).
6. the strong magnetic permanent-magnet chamber type of each described fine fraction wet separation magnetic separator according to claim 1-5, it is characterized in that: the thickness of described magnetic conduction base plate (5) is more than 2 times of magnetic conductor (7) thickness.
7. the strong magnetic permanent-magnet chamber type of each described fine fraction wet separation magnetic separator according to claim 1-5 is characterized in that: described a plurality of permanent magnetism are that the diameter of the sector crosssection that consists of of cell distribution is 380mm ~ 600mm.
8. the strong magnetic permanent-magnet chamber type of each described fine fraction wet separation magnetic separator according to claim 1-5, it is characterized in that: also be equipped with on the described support for the spray equipment (11) that cleans cylinder (4) side, this spray equipment (11) is positioned at the outside of cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220576384.8U CN202893496U (en) | 2012-11-02 | 2012-11-02 | Fine-grained strong and permanent magnet drum-type wet magnetic separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220576384.8U CN202893496U (en) | 2012-11-02 | 2012-11-02 | Fine-grained strong and permanent magnet drum-type wet magnetic separator |
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| CN202893496U true CN202893496U (en) | 2013-04-24 |
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| CN201220576384.8U Expired - Fee Related CN202893496U (en) | 2012-11-02 | 2012-11-02 | Fine-grained strong and permanent magnet drum-type wet magnetic separator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384018A (en) * | 2014-12-09 | 2015-03-04 | 北矿机电科技有限责任公司 | External magnetic barrel type magnetic separator for coarse particle mineral separation |
| CN108296016A (en) * | 2018-01-17 | 2018-07-20 | 武汉理工大学 | A kind of single layer groove body formula magnetic separator |
-
2012
- 2012-11-02 CN CN201220576384.8U patent/CN202893496U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384018A (en) * | 2014-12-09 | 2015-03-04 | 北矿机电科技有限责任公司 | External magnetic barrel type magnetic separator for coarse particle mineral separation |
| CN104384018B (en) * | 2014-12-09 | 2017-04-12 | 北矿机电科技有限责任公司 | External magnetic barrel type magnetic separator for coarse particle mineral separation |
| CN108296016A (en) * | 2018-01-17 | 2018-07-20 | 武汉理工大学 | A kind of single layer groove body formula magnetic separator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20211102 |