CN2765670Y - Electromagnetic refiner - Google Patents
Electromagnetic refiner Download PDFInfo
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- CN2765670Y CN2765670Y CN 200420069865 CN200420069865U CN2765670Y CN 2765670 Y CN2765670 Y CN 2765670Y CN 200420069865 CN200420069865 CN 200420069865 CN 200420069865 U CN200420069865 U CN 200420069865U CN 2765670 Y CN2765670 Y CN 2765670Y
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Abstract
The utility model relates to an electromagnetic refiner, which belongs to the technical field of magnetic separation. The utility model is to solve the technical problems that the permanent magnetic drum separator has low separating precision, the magnetic system field strength of a magnetic collecting machine can not be adjusted indispensably and a magnetic separating column can not directly discard tailings. The electromagnetic refiner of the utility model the upper part of a separating barrel is provided with an overflow groove and an ore feeding funnel in sequence. The exterior of the separating barrel is sheathed with four to five magnet exciting coils, and the lower part of the separating barrel is provided with a water feeding bag, a concentrate discharging funnel and a concentrate discharging valve in sequence. The upper part of the water feeding bag is provided with a water feeding pipe which can feed water along tangential direction, and the separating barrel is fixed on a supporting frame by a flange disk. The utility model can supply direct current by a power supply in two branches, wherein one branch supplies constant direct current for odd magnet exciting coils and the other branch supplies pulse direct current for even magnet exciting coils. The utility model is a magnetic separation refiner for natural magnetic iron ores and artificial magnetic iron ores. The utility model has the advantage that the utility model can directly separate iron ore concentrate of high quality and discard tailings.
Description
Technical field:
Electromagnetism refiner of the present utility model belongs to the magnetic separation technology field.
Background technology:
Existing magnetic separation picking equipment is three kinds: permanent-magnet drum type magnetic separator, magnetic accumulating machine and magnetic separation post.Wherein permanent-magnet drum type magnetic separator belongs to general; The more than ten years newly developed before magnetic accumulating machine and magnetic separation post belonged to, and had been applied in the magneticore-dressing plant of iron ore.Permanent-magnet drum type magnetic separator adopts has non-homogeneous constant and field intensity is higher (being about 115KA/m) magnetic system.Permanent-magnet drum type magnetic separator is to rely on magnetic field force that the magnetite ore particles in the selected magnetic iron ore is sucked on the tube face that magnetic is outer rotatable, separates with monomer gangue that is not sucked out and intergrowth.But there is stronger magnetic coagulation in permanent-magnet drum type magnetic separator in assorting room, and aggregate is relatively closely with firm.The magnetic coagulation body make be entrained with in the magnetite concentrate of sucking-off more monomer gangue and in, lean intergrowth.The permanent-magnet drum type magnetic separator sharpness of separation is not high enough; What magnetic accumulating machine (patent CN85103457A) adopted is the constant low field intensity of permanent magnetism (24KA/m) magnetic system.Magnetic system is made up of the collar of layer 2-4, and every layer of collar is made up of 1-3 circle magnet.Magnetic direction is a horizontal direction.Collar district is a magnetized area, has the very low zone of field intensity between the two neighbouring collars, is the dispersion area.Low field intensity makes magnetic iron ore form suitable magnetic coagulation condition, and aggregate is more stable, but not firm solid.It in the decline process, be subjected to repeatedly " disperse＜====magnetic coagulation " effect, the effect of the waterpower that also is subjected to rising.Therefore, aggregate is purer, discharges from the bottom as iron ore concentrate; And the monomer gangue and in, lean intergrowth by ascending current take to the top discharge from the top.The magnetic accumulating machine sharpness of separation is than higher, and separation index is good.The magnetic accumulating machine weak point is that magnetic is that field intensity can not be carried out necessary adjusting according to the characteristic of milling ore and the requirement of concentrate quality, thereby influences the raising of separation index; Magnetic separation post (CN93228152.4) grading principle essence is identical with magnetic accumulating machine.The electromagnetic system that it adopts is to be made of 6-9 direct-flow magnet exciting coil, and magnetic direction is an above-below direction, and field intensity can be regulated by the size of exciting current.Magnet exciting coil is divided into three groups, and order is logical--and outage stream, the whole circulation cycle is done necessary adjusting as required.The magnetic separation post forms special changes of magnetic field mechanism, can make selected ore pulp be subjected to continuous repeated multiple times " the magnetic polymerization＜====disperse " effect, can obtain pure condensate----magnetite concentrate.The monomer gangue and in, lean intergrowth drives by ascending current and discharges from the magnetic separation column top.The sharpness of separation height, separation index is good.The weak point of magnetic separation post, it mainly is the every variation one-period in a whole set of magnet exciting coil group magnetic field (4-8 second), " zero " magnetic field will appear once in first group of coil, and therefore, it is often higher that the overflow product of being discharged by top contains the Fe grade, can not directly fall as tailing waste, have to increase magnetic plant, it is swept magnetic separation, to select discarded tailing, return sweep the concentrate that magnetic separation sorts out to grinding-classification operation, handle again.
Summary of the invention:
Electromagnetism refiner of the present utility model will solve exactly: the technical problem that the permanent-magnet drum type magnetic separator sharpness of separation is not high enough; The magnetic of magnetic accumulating machine is that field intensity can not be carried out necessary adjusting according to the characteristic of milling ore and the requirement of concentrate quality, thereby influences the technical problem of the raising of separation index; It is often higher that the overflow product that discharge on the top of magnetic separation post contains the Fe grade, can not directly fall as tailing waste, must increase magnetic plant, to select the technical problem of discarded tailing.
The purpose of electromagnetism refiner of the present utility model is to provide a kind of not only can sub-elect high-quality iron ore concentrate, and the magnetic of electromagnetism refiner of the present utility model is that field intensity can be carried out necessary adjusting according to the characteristic of milling ore and the requirement of concentrate quality; The mine tailing that the electromagnetism refiner sorts out can directly be discarded as true tailings.
Electromagnetism refiner of the present utility model is overflow launder to be housed successively on the top of separation tube and to give the ore deposit funnel, the separation tube outside is with 4-5 magnet exciting coil, the bottom of separation tube is equipped with the feedwater bag successively, concentrate is discharged bucket and concentrate dump valve, the feed pipe of tangential direction feedwater is equipped with in the feedwater portion of wrapping, and separation tube is fixed on the support with ring flange.Divide two-way to supply with direct current by power supply, wherein one the tunnel is constant dc, gives the power supply of odd number magnet exciting coil, and another road is a Rectified alternating current, gives the power supply of even number magnet exciting coil.
4-5 the magnet exciting coil that the separation tube outside of electromagnetism refiner of the present utility model is with adopted the magnetic field combining form and the magnetic field operating mechanism of newtype.Magnet exciting coil is divided into two groups.First group is odd number group, and it is by first and the 3rd magnet exciting coil formed or be made up of first and the 3rd and the 5th magnet exciting coil.Supply with constant dc, size of current can be regulated.It plays " magnetic polymerization " effect.Second group is even number set, and it is made up of second and the 4th magnet exciting coil.Supply with Rectified alternating current, size of current also can be regulated, and logical-outage stream system (comprising power supply, outage and time distribution thereof), regulates as required.This group excitation wire encloses " polymerization of dispersion-magnetic " effect.Second and the 4th magnet exciting coil center are on a certain ad-hoc location below first and the 3rd magnet exciting coil, this position is first group of magnet exciting coil power supply, and second group of magnet exciting coil be not when powering, and its magnetic field intensity is very little very little, almost is to approach zero position.During second group of magnet exciting coil power supply, its field intensity is a little more than first group of magnet exciting coil.Field intensity is up to 14KA/m.The powered operation system of second group of magnet exciting coil, i.e. conduction time (second): power-off time (second) is 1: 0.8,0.8: 0.8,0.6: 0.8,0.6: 0.6, decides as required.
Selected ore (ore pulp) enters into separation tube through giving the ore deposit funnel, and outlet is near the center of second magnet exciting coil.Magnet exciting coil magnetic field makes magnetic iron ore form good magnetic polymerizing condition, and magnetite ore particles is by magnetic field polymerization selectively.Condensate is a chain form and stable, be oriented to above-below direction and slightly inclination, it is under gravity own and the effect of coil magnetic field power, move downward, be subjected in the motion process " disperse＜====the magnetic polymerization " and contract out the synergy of the ascending current that comes by feedwater, make the magnetic iron ore condensate very pure, it is very high that it contains the Fe grade, discharges bucket by concentrate and discharge.Monomer gangue in the ore pulp and in, lean intergrowth constantly obtains the flushing of ascending current, driven by ascending current, enters overflow launder through last magnet exciting coil (being first magnet exciting coil), discharge as true tailings.Operational elements mainly is size, powered operation system and the ascending water flow of magnet exciting coil electric current.The size of magnet exciting coil electric current, powered operation system are regulated according to ore character with to the requirement of product quality, and be normally changeless, and it is just passable often to control the ascending water flow.
Electromagnetism refiner of the present utility model is the magnetic iron ore a kind of novel magnetic separation picking equipment of (comprising native magnet ore and artificial magnet ore).Electromagnetism refiner of the present utility model have running gear simple in structure, no, power consumption low, keep an eye on that operation, magnetic field intensity can be regulated, floor space is little, unit are disposal ability height easily, can with the monomer gangue (comprising sludge) in the selected ore with contain magnetic iron ore in, lean intergrowth realizes effectively separating with the magnetic iron ore of monomer, can directly select the beneficial effect of high-quality iron ore concentrate and discarded tailing.Electromagnetism refiner of the present utility model has also that sharpness of separation height, separation index height, cost are low, the beneficial effect of remarkable in economical benefits.
Description of drawings:
Fig. 1, electromagnetism refiner organigram.
Wherein concentrate dump valve (1), concentrate are discharged bucket (2), feedwater bag (3), feed pipe (4), separation tube (5), overflow launder (6), are given ore deposit funnel (7), first magnet exciting coil (8), second magnet exciting coil (9), Rectified alternating current (10), power supply (11), constant dc (12), the 3rd magnet exciting coil (13), ring flange (14), the 4th magnet exciting coil (15), support (16).
Specific implementation method:
Electromagnetism refiner of the present utility model is overflow launder (6) to be housed successively on the top of separation tube (5) and to give ore deposit funnel (7), separation tube (5) outside is with 4 magnet exciting coils, be first magnet exciting coil (8), second magnet exciting coil (9), the 3rd magnet exciting coil (13) and the 4th magnet exciting coil (15), the bottom of separation tube (5) is equipped with feedwater bag (3) successively, concentrate is discharged bucket (2) and concentrate dump valve (1), the feed pipe (4) of tangential direction feedwater is equipped with on feedwater bag (3) top, separation tube (5) is fixed on the support (16) with ring flange (14), divide two-way to supply with direct current by power supply (11), wherein one the tunnel is constant dc (12), give the power supply of first magnet exciting coil (8) and the 3rd magnet exciting coil (13), another road is Rectified alternating current (10), gives the power supply of second magnet exciting coil (9) and the 4th magnet exciting coil (15).
4 magnet exciting coils that the separation tube outside of electromagnetism refiner of the present utility model is with, magnet exciting coil is divided into two groups.Form by first magnet exciting coil (8) and the 3rd magnet exciting coil (13) for first group.Supply with constant dc (12), size of current can be regulated.It plays " magnetic polymerization " effect.Form by second magnet exciting coil (9) and the 4th magnet exciting coil (15) for second group.Supply with Rectified alternating current (10), size of current also can be regulated, and logical-outage stream system (comprising power supply, outage and time distribution thereof), regulates as required.This group excitation wire encloses " polymerization of dispersion-magnetic " effect.Second magnet exciting coil (9) and the 4th magnet exciting coil (15) center are on a certain ad-hoc location of first magnet exciting coil (8) and the 3rd magnet exciting coil (13) below, this position is first group of magnet exciting coil power supply, and second group of magnet exciting coil be not when powering, its magnetic field intensity is very little very little, almost is to approach zero position.During second group of magnet exciting coil power supply, its field intensity is a little more than first group of magnet exciting coil.Field intensity is up to 14KA/m.The powered operation system of second group of magnet exciting coil, i.e. conduction time (second): power-off time (second) is 1: 0.8,0.8: 0.8,0.6: 0.8,0.6: 0.6, decides as required.
Selected ore (ore pulp) enters into separation tube (5) through giving ore deposit funnel (7), and outlet is near the center of second magnet exciting coil (9).Magnet exciting coil magnetic field makes magnetic iron ore form good magnetic polymerizing condition, and magnetite ore particles is by magnetic field polymerization selectively.Condensate is a chain form and stable, be oriented to above-below direction and slightly inclination, it is under gravity own and the effect of coil magnetic field power, move downward, be subjected in the motion process " disperse＜====the magnetic polymerization " and the synergy of the ascending current that comes out by feedwater bag (3), make the magnetic iron ore condensate very pure, it is very high that it contains the Fe grade, discharges bucket (2) by concentrate and discharge.Monomer gangue in the ore pulp and in, lean intergrowth constantly obtains the flushing of ascending current, driven by ascending current, enters overflow launder (6) through last magnet exciting coil (being first magnet exciting coil), discharge as true tailings.Operational elements mainly is size, powered operation system and the ascending water flow of magnet exciting coil electric current.The size of magnet exciting coil electric current, powered operation system are regulated according to ore character with to the requirement of product quality, and be normally changeless, and it is just passable often to control the ascending water flow.
Claims (1)
1, a kind of electromagnetism refiner, it is characterized in that being equipped with successively overflow launder and give the ore deposit funnel on the top of separation tube, the separation tube outside is with 4-5 magnet exciting coil, the bottom of separation tube is equipped with the feedwater bag successively, concentrate is discharged bucket and concentrate dump valve, the feed pipe of tangential direction feedwater is equipped with in the feedwater portion of wrapping, and separation tube is fixed on the support with ring flange; Divide two-way to supply with direct current by power supply, wherein one the tunnel is constant dc, gives the power supply of odd number magnet exciting coil, and another road is a Rectified alternating current, gives the power supply of even number magnet exciting coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420069865 CN2765670Y (en) | 2004-07-19 | 2004-07-19 | Electromagnetic refiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420069865 CN2765670Y (en) | 2004-07-19 | 2004-07-19 | Electromagnetic refiner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2765670Y true CN2765670Y (en) | 2006-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420069865 Expired - Fee Related CN2765670Y (en) | 2004-07-19 | 2004-07-19 | Electromagnetic refiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2765670Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811092A (en) * | 2010-04-14 | 2010-08-25 | 唐山拓新电器有限公司 | Electromagnetically-focused concentration machine |
| CN101219413B (en) * | 2008-01-22 | 2013-04-10 | 福州昌晖自动化系统有限公司 | Technique for manufacturing hyperpure iron extract |
| CN105289842A (en) * | 2015-11-26 | 2016-02-03 | 辽宁科技大学 | Large column type magnetic separator of internal magnetic system |
| CN109225626A (en) * | 2018-10-17 | 2019-01-18 | 辽宁科技大学 | Magnetic separator |
| CN112808455A (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 movable shielding plate |
| 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 |
| CN114425485A (en) * | 2021-12-14 | 2022-05-03 | 中南大学 | Method for sorting magnetic iron-containing minerals |
-
2004
- 2004-07-19 CN CN 200420069865 patent/CN2765670Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219413B (en) * | 2008-01-22 | 2013-04-10 | 福州昌晖自动化系统有限公司 | Technique for manufacturing hyperpure iron extract |
| CN101811092A (en) * | 2010-04-14 | 2010-08-25 | 唐山拓新电器有限公司 | Electromagnetically-focused concentration machine |
| CN105289842A (en) * | 2015-11-26 | 2016-02-03 | 辽宁科技大学 | Large column type magnetic separator of internal magnetic system |
| CN109225626A (en) * | 2018-10-17 | 2019-01-18 | 辽宁科技大学 | Magnetic separator |
| CN112808455A (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 movable shielding plate |
| 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 |
| CN112808455B (en) * | 2021-01-27 | 2022-12-13 | 鞍钢集团矿业设计研究院有限公司 | Permanent magnetic separator with movable shielding plate |
| CN114425485A (en) * | 2021-12-14 | 2022-05-03 | 中南大学 | Method for sorting magnetic iron-containing minerals |
| CN114425485B (en) * | 2021-12-14 | 2023-03-28 | 中南大学 | Method for sorting magnetic iron-containing minerals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |