CN1214277A - Permanent-magnet pulsating gradient magnetic separator - Google Patents
Permanent-magnet pulsating gradient magnetic separator Download PDFInfo
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- CN1214277A CN1214277A CN 98111244 CN98111244A CN1214277A CN 1214277 A CN1214277 A CN 1214277A CN 98111244 CN98111244 CN 98111244 CN 98111244 A CN98111244 A CN 98111244A CN 1214277 A CN1214277 A CN 1214277A
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Abstract
The magnetic separator includes vertically arranged separating ring, permanent magnetic system, pulsating mechanism, non-magnetic mineral exhausting box connected to the pulsating mechanism. The permanent magnetic system below the separating ring is one centripetal open convergent system enclosed by the separating medium set inside the separating ring and producing high magnetic field gradient, and it has also ore pulp channel inside it. The process has the advantages of saving in power, high separating accuracy, simple equipment structure, etc., and it is used in the wet separation of fine weak magnetic and non-magnetic ore.
Description
The present invention relates to a kind of permanent magnetic separator, especially relate to the permanent magnetism pulsating high gradient magnetic separator that contains separation ring, permanent magnetic system, palsating equipment and frame, can be used for wet separation or remove the particulate weak magnetic mineral, particularly suitable to graded shot weak magnetism mineral.
High gradient magnetic separator is a kind of effectively magnetic separating apparatus of handling the particulate weak magnetic mineral.At present, developed multiple high gradient magnetic separator both at home and abroad, as Jones's horizontal disk high gradient magnetic separator, Shp vertical ring high-gradient magnetic separator, SQC horizontal disk high gradient magnetic separator, Slon vertical ring high-gradient magnetic separator, DMG electromagnetic pulsating high gradient magnetic separator etc., the common feature of these magnetic separators is to adopt magnetic excitation coil, and energy consumption is big, the cost height, complex structure, the operating cost height.The 179th～183 page of iron wheel type permanent magnet high gradient magnetic separator that discloses a kind of by the development of U.S. Ai Lizi company of " the 19 international ore dressing proceeding " the 34th chapter, the vertical configuration of the separation ring of this equipment, in the both sides of ring upper and lower two groups of magnetic being housed respectively is, last group of magnetic system is used to roughly select, under organize magnetic system and be used to scan, the magnetic line of force is parallel with the axis of ring, and roughly selecting background magnetic field intensity is 0.1T, and scanning magnetic field intensity is 0.22T.The advantage of this equipment is to have adopted permanent magnetic system, has saved the energy, has reduced sorting cost, and weak point is: magnetic field intensity is low excessively, and range of application is too narrow; Magnetic force direction is axially,, can cause device damage, and influence service life when stressed when asymmetric; This equipment has adopted magnetic matrix, but does not prevent the measure that magnetic is stopped up, raising sorts precision; Sort magnetic field, district and evenly distribute, be unfavorable for selecting respectively various different minerals; Pulse free mechanism, it is low to sort precision.
Purpose of the present invention is exactly at the above-mentioned problems in the prior art, the permanent-magnet pulsating gradient magnetic separator that provide a kind of and sort the precision height, equipment operation is reliable, Distribution of Magnetic Field is reasonable, is easy to maximize, it can sub-elect the particulate weak magnetic mineral effectively.
For achieving the above object, permanent-magnet pulsating gradient magnetic separator of the present invention by the following technical solutions:
Permanent-magnet pulsating gradient magnetic separator of the present invention comprises vertical configuration and the separation ring of magnetic matrix is housed and driving mechanism, permanent magnetic system, feed launder, non magnetic ore ore discharge case, magnetic mineral discharge trough, pulsing mechanism, frame, the magnetic mineral discharge trough is arranged in the separation ring, unload the mineral water case and be positioned at the top of separation ring and corresponding with the magnetic mineral discharge trough that is located at separation ring, pulsing mechanism and non magnetic ore ore discharge case link.Described permanent magnetic system be positioned at separation ring below, the working face of magnetic system is face entad, magnetic line of force direction is vertical with the axis direction of separation ring, magnetic is provided with the ore pulp passage in being.
Be to increase the magnetic field depth of interaction, and the magnetic field in branch constituency reasonably distributed, above-mentioned magnetic system by main pole, anti-when scolding magnetic pole alternately to rearrange effect be good.
For adjusting the size of dividing the constituency field intensity easily,, under the supporting base of above-mentioned separation ring central shaft, also be provided with the adjustment cushion block to adapt to the requirement of different minerals sorting.
For ease of transfer ore pulp, the central axle designs of above-mentioned separation ring can be become hollow shaft, the separation ring two ends are provided with former, and former is bearing on the central shaft by bearing.At this moment, an end of central shaft is a mineral-feeding pipe, and the other end is the ore discharge pipe, and wherein mineral-feeding pipe communicates with feed launder, and ore discharge pipe and magnetic mineral discharge trough join.
Compared with prior art, permanent-magnet pulsating gradient magnetic separator of the present invention has following advantage after adopting above technical scheme:
1. energy savings.The exciting power of common high field intensity electromagnetic separator accounts for 80～95% of whole magnetic separator power, adopt permanent magnetic system after, this part power consumption can complete exemption, thereby energy-conservation more than 80%.
2. improved sharpness of separation, relaxed the restriction that selected material is formed, and reduced the material clogging.Because mineral to be selected always are made up of by different proportion ferromagnetism, middle magnetic, weak magnetic and non magnetic ore, so, theoretically, should adopt different magnetic field intensities, by magnetic mineral strong-in-weak ordering sorts, common high gradient magnetic separator mostly is uniform magnetic field greatly because structure is limit, near feed port, be easy to generate magnetic like this and stop up, influence sharpness of separation and treating capacity.The present invention has adopted permanent magnet opening gradient magnetic system, divides the constituency field intensity from top to bottom from low to high, thereby has improved sharpness of separation, has strengthened treating capacity, has relaxed the restriction of strongly magnetic mineral proportion in the selected material.
3. helping equipment amplifies.Permanent magnetic system of the present invention is positioned at the separation ring below and arranges vertically, with the separation ring mutually noninterfere.When needs carry out the equipment amplification, only need to carry out corresponding how much amplifications and get final product each parts, each parts can not produce interference, can not influence separating effect yet.For example, the separation ring that diameter is 1 meter both can have been made 0.4 meter wide, also can make 1.6 meters wide, only needed to change associated components length and got final product.
4. the machine heavy and light takes up an area of few.After adopting permanent magnetic system to replace electromagnetism magnetic system, magnetic is that weight reduces significantly, can reduce approximately 80%, and volume also reduces thereupon, thereby saved manufacturing cost, reduced producing cost, reduced the occupation of land space.
In order to further describe the present invention,, permanent-magnet pulsating gradient magnetic separator of the present invention is done more detailed description again below in conjunction with drawings and Examples:
Fig. 1 is a permanent-magnet pulsating gradient magnetic separator master TV structure sketch of the present invention.
Fig. 2 is that structure diagram is cutd open on a permanent-magnet pulsating gradient magnetic separator of the present invention left side.
Fig. 3 is permanent magnetic system structure and the magnetic flux distribution schematic diagram that the present invention adopts.
Cut open in the structure diagram at a permanent-magnet pulsating gradient magnetic separator master TV structure sketch of the present invention shown in Figure 1 and a left side shown in Figure 2, separation ring 2 vertical configurations, two ends are provided with former 16, and former 16 is bearing on the central shaft of separation ring by bearing.Central shaft is a hollow shaft, and an end is a mineral-feeding pipe 1, and the other end is a magnetic mineral ore discharge pipe 5, and the feed launder 10 that is provided with in mineral-feeding pipe 1 and the separation ring 2 communicates, and ore discharge pipe 5 joins with the magnetic mineral discharge trough 9 that the first half in the separation ring 2 is provided with; Unload mineral water case 8 and be positioned at separation ring 2 top outward, and corresponding with magnetic mineral discharge trough 9.The central shaft of separation ring 2 is supported on the frame 4 by supporting base, is provided with adjustment cushion block 17 at supporting base and 4 of frames.Described separation ring is made up of several dielectric chambers, and the medium of thread, netted, bar-shaped or other shape that the magnetic stainless steel material makes is housed in the dielectric chamber.Separation ring 2 is driven by drive unit 7, and permanent magnetic system 11 is positioned at the bottom of separation ring 2, and the centre is provided with the ore pulp passage; Magnetic is that the bottom is a non magnetic ore ore discharge case 3, and pulsing mechanism 6 links with ore discharge case 3.Whole equipment is supported by frame 4.
During sorting, ore pulp is fed by mineral-feeding pipe 1, flow in the separation ring 2 through feed launder 10 uniform distributions, magnetic material in the ore pulp is adsorbed on the medium in the separation ring 2 by magnetic force, through pulsation ore pulp repeatedly rinsing, slough the non magnetic ore that part is mingled with, go near the summit with separation ring then, by the flushing water that unloads in the mineral water case 8 magnetic material is dashed to magnetic mineral discharge trough 9, discharge through ore discharge pipe 5.Non magnetic ore is discharged through non magnetic ore ore discharge case 3 by the ore pulp passage in the permanent magnetic system 11.Branch constituency liquid level is controlled by downflow weir, and unnecessary ore pulp is discharged through overflow launder 12.The pulsation energy is produced by pulsing mechanism 6, is passed to the branch constituency by ore pulp, finishes the repeatedly sorting of mineral.
By permanent magnetic system structure of the present invention shown in Figure 3 and magnetic flux distribution schematic diagram as can be seen, permanent magnetic system is by yoke 14, main pole 15 with instead scold magnetic pole 13 to form.Main pole 15 and instead scold magnetic pole 13 alternately to arrange all adopts neodymium iron boron magnetic material to make, and to be working face be face entad to magnetic.Because magnetic is that working face curves inwardly, cause the magnetic flux compression, produce poly-magnetic effect, make the Distribution of Magnetic Field of this magnetic system more reasonable, depth of interaction is bigger.Magnetic line of force direction in the magnetic system is all vertical with separation ring 2 axis directions, and when adopting excellent medium, the axis of excellent medium is parallel with separation ring 2 axis, can obtain effective high magnetic field gradients in the constituency at whole minute, reaches the purpose of the bigger recovery magnetic force of acquisition.
Present embodiment is in the equipment operation process, and the central shaft of separation ring maintains static.In actual design process, also can adopt the synchronous operated structural shape of separation ring and central shaft thereof, ore pulp gives the ore discharge mode identical with the electromagnetic pulsating high gradient magnetic separator of market sale at this moment.
Claims (4)
1. permanent-magnet pulsating gradient magnetic separator, it comprises vertical configuration and the separation ring (2) and the driving mechanism (7) thereof of magnetic matrix is housed, permanent magnetic system (11), feed launder (10), non magnetic ore ore discharge case (3), magnetic mineral discharge trough (9), pulsing mechanism (6), frame (4), unload mineral water case (8) and be positioned at the top of separation ring (2) and corresponding with the magnetic mineral discharge trough (9) that is located at separation ring (2), pulsing mechanism (6) links with non magnetic ore ore discharge case (3), it is characterized in that: described permanent magnetic system (11) be positioned at separation ring (2) below, its working face is face entad, and magnetic line of force direction is vertical with the axis direction of separation ring (2); In described permanent magnetic system (2), also be provided with the ore pulp passage.
2. permanent-magnet pulsating gradient magnetic separator as claimed in claim 1 is characterized in that: described permanent magnetic system (11) by yoke (14), main pole (15), instead scold magnetic pole (13) to constitute, main pole (15), instead scold magnetic pole (13) alternately to arrange.
3. permanent-magnet pulsating gradient magnetic separator as claimed in claim 1 or 2 is characterized in that: have at the supporting base of the central shaft of described separation ring (2) and adjust cushion block (17).
4. permanent-magnet pulsating gradient magnetic separator as claimed in claim 3 is characterized in that: be provided with former (16) at the two ends of described separation ring (2), former (16) is bearing on the central shaft by bearing; Described central shaft is a hollow shaft, and an end is mineral-feeding pipe (1), and the other end is a magnetic mineral ore discharge pipe (5), and mineral-feeding pipe (1) communicates with feed launder (10), and magnetic mineral ore discharge pipe (5) joins with magnetic mineral discharge trough (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98111244 CN1214277A (en) | 1997-10-13 | 1998-04-15 | Permanent-magnet pulsating gradient magnetic separator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97107154 | 1997-10-13 | ||
| CN97107154.3 | 1997-10-13 | ||
| CN 98111244 CN1214277A (en) | 1997-10-13 | 1998-04-15 | Permanent-magnet pulsating gradient magnetic separator |
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| Publication Number | Publication Date |
|---|---|
| CN1214277A true CN1214277A (en) | 1999-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98111244 Pending CN1214277A (en) | 1997-10-13 | 1998-04-15 | Permanent-magnet pulsating gradient magnetic separator |
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| CN (1) | CN1214277A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100577300C (en) * | 2008-05-15 | 2010-01-06 | 长沙矿冶研究院 | Continuous Discrete Rare Earth Permanent Magnet High Gradient Magnetic Separator |
| CN109331994A (en) * | 2018-10-24 | 2019-02-15 | 北矿机电科技有限责任公司 | A kind of intensity magnetic separator using open magnetic circuit permanent-magnet high gradient magnetic system |
-
1998
- 1998-04-15 CN CN 98111244 patent/CN1214277A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100577300C (en) * | 2008-05-15 | 2010-01-06 | 长沙矿冶研究院 | Continuous Discrete Rare Earth Permanent Magnet High Gradient Magnetic Separator |
| CN109331994A (en) * | 2018-10-24 | 2019-02-15 | 北矿机电科技有限责任公司 | A kind of intensity magnetic separator using open magnetic circuit permanent-magnet high gradient magnetic system |
| CN109331994B (en) * | 2018-10-24 | 2024-05-10 | 北矿机电科技有限责任公司 | Strong magnetic separator adopting open magnetic circuit permanent magnet high gradient magnetic system |
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