CN101648156A - Magnetic separation column device - Google Patents
Magnetic separation column device Download PDFInfo
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- CN101648156A CN101648156A CN200910041888A CN200910041888A CN101648156A CN 101648156 A CN101648156 A CN 101648156A CN 200910041888 A CN200910041888 A CN 200910041888A CN 200910041888 A CN200910041888 A CN 200910041888A CN 101648156 A CN101648156 A CN 101648156A
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Abstract
A magnetic separation column device comprises a tailing tank, a separation barrel, a magnetic system, a screwdriver and a concentrate tank; wherein the tailing tank, separation barrel and the concentrate tank are all cylinder barrel bodies and the tailing tank and the separation barrel are butted and fixedly connected into a whole, the separation barrel is sheathed and fixed on the concentrate tank, the upper part of the screwdriver is supported and fixed in a screw thread seat on the tailing tank, the lower part is arranged on the supporting plate in the concentrate tank by a sliding sleeve,the upper part of the separation barrel is provided with a feeding pipe connected in a tangential way, and the out wall of the separation barrel is provided with an excitation magnetic system used forgenerating an alternate magnetic field. The invention adopts a magnetic separation structure which can control alternating current to generate a rotating alternate magnetic field to be arranged on the separation barrel body, thus effectively improving grade and recovery of fine fraction magnetism concentrate separation, the grade is improved by 5-10% and the recovery is improved by 6-15% comparedwith the fine fraction magnetism concentrate separation of similar magnetic separation devices; and structure is reasonable, production cost is low, and efficiency is high.
Description
Technical field
The present invention relates to ferrous metal ore preparation equipment field, particularly the first picking equipment technology of ores such as microfine titanium, iron, manganese, tungsten.
Background technology
Along with the high speed development of ferrous metal mine, easily choosing, coarse grain and high grade ore are closely exhausted, and majority is, mix mine poor, thin in exploitation at present, thereby it is bigger to sort difficulty, and the routine of ferrous metal sorts magnetic plant and faces bigger challenge.In order to solve the shortcoming of conventional magnetic plant in proposing the Fe and reducing Si application, magnetic dewater cone, magnetic-gravity concentrator, magnetic plants such as low field intensity pulsation magnetic separator, impulse oscillation magnetic field magnetic separation post and compound flicker magnetic field refiner have been developed in domestic and international many producers, research unit's research in succession.Wherein the magnetic separation post uses more extensively, and no matter pulse, the oscillating magnetic field magnetic separation post succeeded in developing such as Anshan Iron ﹠ Steel College ore dressing teaching and research room, Northeastern University is the same substantially on grading principle, all is the magnetic field that utilizes in the spiral winding, magnetic mineral is reunited quicken.Its magnetic-gravity concentrator close with the type of domestic and international application is compared, just innovation to some extent on magnetizing coil combination and magnetic signature.Following deficiency appears in commercial Application: (1), undesirable to subparticle magnetic iron ore sorting result.Because the magnetic field of magnetic separation post only is 8～16kA/m, can not effectively overcome the ascending current dynamic action to the magnetic field force of subparticle magnetic mineral, it is black easily to cause the overflow mine tailing to run, and influences the rate of recovery of magnetic mineral.(2), feed preparation unit size is required strictness.The magnetic separation post is to utilize ascending current power that the big particle gangue is poured mine tailing, for overcoming its sinking speed, certainly will will increase ascending current speed, and that the increase of the current rate of climb can cause subparticle magnetic mineral sorting result is undesirable; Otherwise the big particle gangue then can enter concentrate because of sinking speed moves downward greater than ascending current speed, thereby reduces concentrate grade.3), water consumption is bigger than normal.The mine tailing discharge mode that when the magnetic separation post carried out separation operation, the speed of ascending current must be greater than the sinking speed of big particle gangue, this " following current and on " causes its water consumption bigger than normal.Generally speaking, tailings concentration is lower, only is 1%～5%, handles per ton to 2～4 tons of ore deposit need waters.And the sorting index quality of these equipment is also relevant with multiple factors such as confluent size, mine-supplying quantity degree of stability, ore pulp character, if mine-supplying quantity, change when frequent for ore deposit grade, feed ore concentration, the sorting index of equipment descends, make metal loss, the concentrate grade fluctuation, the device processes amount is lower simultaneously.
Summary of the invention
The objective of the invention is problem at above-mentioned existence, providing a kind of can overcome effectively that existing ferrous metal sorting equipment water consumption is big, sorting index is unstable and handle defectives such as the microfine magnetic mineral is not good, thereby improve the magnetic concentrate grade effectively, solve the problem that produces magnetic coagulation when ore particle through magnetic is and bring non-magnetic particle to be mingled with, and simple in structure, production cost is low, magnetic separation column device with rotating excitation field; On this basis, the purpose of this invention is to provide a kind of effect of intensified sorting effectively, significantly improve the fine fraction magnetic concentrate rate of recovery, sort the high magnetic separation column device of efficient.
The objective of the invention is to be achieved through the following technical solutions:
A kind of magnetic separation column device, be characterized in comprising mine tailing case, separation tube, the concentrate case of sequence unit, wherein mine tailing case, separation tube and concentrate case are cylindrical tube, and mine tailing case and separation tube butt joint are connected to one, the separation tube socket is fixed on the concentrate case, described separation tube top is provided with the connected mineral-feeding pipe of tangential form, and the separation tube outer wall is provided with the excitation magnetic system that is used to produce alternating magnetic field.
Wherein above-mentioned excitation magnetic is an electromagnetism excitation revolving magnetic system, it comprises 4～16 groups of solenoid magnet exciting coils, its number of turn of respectively organizing the solenoid magnet exciting coil is 20～120 circles, and respectively organizes the solenoid magnet exciting coil and distribute and is connected the inhomogeneous alternating magnetic field of generation through separation tube with field power supply along the axial circumferential arrangement of separation tube.Be provided with the concentrate guiding mechanism in the above-mentioned separation tube, this concentrate guiding mechanism comprises the concentrate adjustment awl that is positioned at separation tube, the gripper shoe and the sliding sleeve that are positioned at the concentrate case, the threaded block that is positioned at the mine tailing upper box part and adjustment wheel, wherein concentrate adjustment awl upper support be fixed in the threaded block on the mine tailing case and with adjust wheel and be connected, the bottom that the concentrate adjustment is bored places on the support plate in the concentrate case by sliding sleeve.
The present invention is because employing is provided with the magnetic separation structure that can regulate control alternating current generation rotational alternating magnetic field on vertical sorting cylindrical shell, the grade and the rate of recovery that fine fraction magnetic concentrate sorts have been improved effectively, the grade that more similar magnetic plant fine fraction magnetic concentrate sorts improves 5～10%, and the rate of recovery improves 6～15%.And rational in infrastructure, production cost is low, efficient is high, solved existing magnetic plant fine fraction magnetic concentrate sorting magnetic coagulation body has been carried secretly impurity, cause that concentrate grade is not high, the rate of recovery is low, the efficiency of separation is low, the water consumption is big, and adopts a plurality of coil magnetic fields to produce the existing complex structure of alternating magnetic field, production cost height and sorting space and cross problems such as height.Can be widely used in separating of various magnetic things and nonmagnetics.
Describe basic composition of the present invention and realization in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a perspective view of the present invention;
Fig. 2 is a sectional structure schematic diagram of the present invention;
Fig. 3 is a structure principle chart of giving the ore deposit mode of the present invention;
Fig. 4 is the structure principle chart that excitation magnetic of the present invention is;
Fig. 5 is the structure principle chart of ore discharge structure of the present invention.
The specific embodiment
As Fig. 1～shown in Figure 2, a kind of magnetic separation column device of the present invention, the mine tailing case, separation tube 3, the concentrate case 9 that comprise sequence unit, wherein mine tailing case 8, separation tube 3 and concentrate case 9 are cylindrical tube, and mine tailing case 8 and separation tube 3 butt joints are connected to one, separation tube 3 sockets are fixed on the concentrate case 9, and described separation tube 3 tops are provided with the connected mineral-feeding pipe of tangential form, and it is 4 that separation tube 3 outer walls are provided with the excitation magnetic that is used to produce alternating magnetic field.
Wherein above-mentioned excitation magnetic is 4 to be an electromagnetism excitation revolving magnetic system, it comprises 4～16 groups of solenoid magnet exciting coils, its number of turn of respectively organizing the solenoid magnet exciting coil is 20～120 circles, and respectively organizes the solenoid magnet exciting coil and distribute and is connected the inhomogeneous alternating magnetic field of generation through separation tube 3 with field power supply along the axial circumferential arrangement of separation tube 3.Be provided with the concentrate guiding mechanism in the above-mentioned separation tube 3, this concentrate guiding mechanism comprises the concentrate adjustment awl 6 that is positioned at separation tube 3, the gripper shoe 13 and the sliding sleeve 10 that are positioned at concentrate case 9, the threaded block 11 that is positioned at mine tailing case 8 tops and adjustment wheel 7, wherein the concentrate adjustment bore that 6 upper support are fixed in the threaded block 11 on the mine tailing case 8 and with adjust wheel 7 and be connected, the bottom of concentrate adjustment awl 6 is installed on the interior support plate 13 of concentrate case 8 by sliding sleeve 10.
Operation principle of the present invention and process are as follows:
As Fig. 3～shown in Figure 5, open field power supply, the solenoid coil magnet exciting coil that coiling is arranged in the separation tube 3 outer wall magnetic system, forming excitation magnetic under the effect of field power supply is 4, and excitation pole is along the rotation transformation of ore pulp flow direction, enter in the separation tube 3 for the ore deposit with tangential way, separation tube 3 interior mineral are rotatablely moved, heavy magnetic mineral is at magnetic field force, concentrate on the post jamb place under the action of centrifugal force,, in separation tube 3, form special space structure owing to adopted concentrate adjustment awl 6, the sorting space diminishes gradually, flow rate of pulp strengthens, and has strengthened the cleaning of current to the heavy magnetic mineral on the wall of separation tube limit, makes the heavy magnetic mineral in separation tube 3 post jamb places move downward under self gravitation and the liquid stream effect that moves downward, discharge from concentrate gape 14, enter concentrate case 9.And because light weak magnetic, non-magnetic mineral centrifugal force is less, under the effect of current, concentrate on the awl wall of concentrate adjustment awl 6, simultaneously because the conversion of separation tube 3 cylinder magnetic poles, make the weak magnetic that is mixed in the magnetic linkage, non-magnetic mineral are under the effect of rotary water current, be rinsed into concentrate adjustment awl 6 awl wall places, and rotary water current also forms the rotation liquid stream that makes progress on the cone surface fast, can play the weak magnetic that makes the separation tube 3 post hearts, non-magnetic mineral are under the effect of ascending current, discharge from overflow pipe 2, enter mine tailing case 8, thereby cause weight, the mineral that magnetic is different separate.Concentrate adjustment is simultaneously bored 6 cones under the effect of governor motion, can change the size of gape, further controls concentrate quality.
Below from describing advantage of the present invention and effect in detail for aspects such as ore deposit mode, magnetic architecture, separating mechanism and ore discharge frame mode:
1, tangent line is given the ore deposit
As shown in Figure 3, for the intensified sorting effect, feed in the separation tube cylinder for the ore deposit with tangential way, the interior mineral of separation tube cylinder are rotatablely moved, the outer electromagnetism magnetic field that loads along the ore pulp rotation of separation tube cylinder, make heavy magnetic mineral at magnetic field force, concentrate on separation tube post jamb place under the action of centrifugal force, light weak magnetic, non-magnetic mineral concentrate on sorting barrel mast heart place, because special space structure in the separation tube cylinder, make the heavy magnetic mineral in separation tube post jamb place under self gravitation and the liquid stream effect that moves downward, move downward, discharge from the concentrate gape, and the light weak magnetic in sorting barrel mast heart place, non-magnetic mineral move upward under the effect of the liquid stream that moves upward from overflow pipe discharge becoming mine tailing, therefore tangential direction is given the ore deposit, for sorting provides the stirring shearing force, constantly destroys and clean the magnetic coagulation body, take away gangue and intergrowth, make weight, the mineral that magnetic is different separate.
2, magnetic architecture
As shown in Figure 4, the operation principle of magnetic architecture of the present invention is as asynchronous motor three phase rotating field operation principle, promptly design a threephase asynchronous stator that does not have rotor, after in guaranteeing diameter of stator bore, reaching predetermined magnetic flux density, produce three phase rotating field so that magnetic mineral rotates as the threephase asynchronous rotor, promptly at separation tube cylinder outer wall, the coil that coiling is special, under the effect of field power supply, form excitation pole, and excitation pole is along the rotation transformation of ore pulp flow direction, conversion by magnetic pole, make the weak magnetic that is mixed in the magnetic linkage, non-magnetic mineral are under the effect that rotary water current washes away, be rinsed into overflow, from reaching the purpose that improves the magnetic mineral grade.
3, ore discharge structure
As shown in Figure 5, adopt the concentrate adjustment awl of slender cone, changed sorting space in the separation tube cylinder by cone, make ore pulp liquid when rotated, because the sorting space diminishes gradually, flow rate of pulp strengthens, remove and strengthen the cleaning performance of current the heavy magnetic mineral on the wall of separation tube cylinder limit, also form the liquid stream that moves upward simultaneously, play the weak magnetic that makes separation tube cylinder center, non-magnetic mineral under the effect of ascending current, discharge from overflow pipe on concentrate adjustment awl cone surface.Concentrate adjustment awl cone can change the size of gape under the effect of governor motion simultaneously, further controls concentrate quality.
Claims (3)
1, a kind of magnetic separation column device, it is characterized in that comprising mine tailing case (8), separation tube (3), the concentrate case (9) of sequence unit, wherein mine tailing case (8), separation tube (3) and concentrate case (9) are cylindrical tube, and mine tailing case (8) and separation tube (3) butt joint are connected to one, separation tube (3) socket is fixed on the concentrate case, described separation tube (3) top is provided with the connected mineral-feeding pipe of tangential form (1), and separation tube (3) outer wall is provided with the excitation magnetic system (4) that is used to produce alternating magnetic field.
2, magnetic separation column device according to claim 1, it is characterized in that above-mentioned excitation magnetic system (4) is an electromagnetism excitation revolving magnetic system, it comprises 4～16 groups of solenoid magnet exciting coils, the number of turn of wherein respectively organizing the solenoid magnet exciting coil is 20～120 circles, and respectively organize the solenoid magnet exciting coil along separation tube (3) axially circumferential arrangement distribute and be connected the inhomogeneous alternating magnetic field of generation with field power supply through separation tube (3).
3, magnetic separation column device according to claim 1 and 2, it is characterized in that being provided with the concentrate guiding mechanism in the above-mentioned separation tube (3), this concentrate guiding mechanism comprises the concentrate adjustment awl (6) that is positioned at separation tube, be positioned at the gripper shoe (13) and the sliding sleeve (10) of concentrate case, be positioned at the threaded block (11) on mine tailing case (8) top and adjust wheel (7), wherein concentrate adjustment awl (6) upper support be fixed in the threaded block (11) on the mine tailing case (8) and with adjust wheel (7) and be connected, the bottom of concentrate adjustment awl (6) places on the interior support plate (13) of concentrate case (9) by sliding sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910041888A CN101648156A (en) | 2009-08-14 | 2009-08-14 | Magnetic separation column device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910041888A CN101648156A (en) | 2009-08-14 | 2009-08-14 | Magnetic separation column device |
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| CN101648156A true CN101648156A (en) | 2010-02-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441486A (en) * | 2011-09-14 | 2012-05-09 | 鞍钢集团矿业公司 | Magnetic force dehydration tank |
| CN102527511A (en) * | 2012-02-23 | 2012-07-04 | 辽宁科技大学 | Ring pillar for magnetic separation |
| CN103056028A (en) * | 2013-01-23 | 2013-04-24 | 沈阳华大科技有限公司 | Magnetic ore separation equipment and method |
| CN107570320A (en) * | 2017-10-27 | 2018-01-12 | 岳阳大力神电磁机械有限公司 | Wet-dry permanent magnetic separator |
| CN109277189A (en) * | 2018-12-04 | 2019-01-29 | 山东科力华电磁设备有限公司 | Electromagnetic eddy sorting machine |
| CN112808454A (en) * | 2021-01-27 | 2021-05-18 | 鞍钢集团矿业设计研究院有限公司 | Permanent magnetic separator with moving magnetic poles |
-
2009
- 2009-08-14 CN CN200910041888A patent/CN101648156A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441486A (en) * | 2011-09-14 | 2012-05-09 | 鞍钢集团矿业公司 | Magnetic force dehydration tank |
| CN102527511A (en) * | 2012-02-23 | 2012-07-04 | 辽宁科技大学 | Ring pillar for magnetic separation |
| CN103056028A (en) * | 2013-01-23 | 2013-04-24 | 沈阳华大科技有限公司 | Magnetic ore separation equipment and method |
| CN103056028B (en) * | 2013-01-23 | 2015-06-24 | 沈阳华大科技有限公司 | Magnetic ore separation equipment and method |
| CN107570320A (en) * | 2017-10-27 | 2018-01-12 | 岳阳大力神电磁机械有限公司 | Wet-dry permanent magnetic separator |
| CN107570320B (en) * | 2017-10-27 | 2024-03-22 | 岳阳大力神电磁机械有限公司 | Dry-wet two-purpose permanent magnet separator |
| CN109277189A (en) * | 2018-12-04 | 2019-01-29 | 山东科力华电磁设备有限公司 | Electromagnetic eddy sorting machine |
| CN112808454A (en) * | 2021-01-27 | 2021-05-18 | 鞍钢集团矿业设计研究院有限公司 | Permanent magnetic separator with moving magnetic poles |
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Application publication date: 20100217 |