CN203494651U - Magnetic separation unit for magnetic ores - Google Patents
Magnetic separation unit for magnetic ores Download PDFInfo
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- CN203494651U CN203494651U CN201320653196.5U CN201320653196U CN203494651U CN 203494651 U CN203494651 U CN 203494651U CN 201320653196 U CN201320653196 U CN 201320653196U CN 203494651 U CN203494651 U CN 203494651U
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- 238000007885 magnetic separation Methods 0.000 title claims abstract description 28
- 238000007790 scraping Methods 0.000 claims abstract description 26
- 238000011084 recovery Methods 0.000 claims abstract description 16
- 239000012141 concentrate Substances 0.000 claims abstract description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 37
- 239000011707 mineral Substances 0.000 claims description 37
- 229910001220 stainless steel Inorganic materials 0.000 claims description 31
- 239000004744 fabric Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 29
- 238000012216 screening Methods 0.000 claims description 29
- 239000006148 magnetic separator Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000005389 magnetism Effects 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 11
- 239000004814 polyurethane Substances 0.000 claims description 11
- 229910000859 α-Fe Inorganic materials 0.000 claims description 10
- 238000010790 dilution Methods 0.000 claims description 9
- 239000012895 dilution Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 9
- 235000008504 concentrate Nutrition 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241001504664 Crossocheilus latius Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 iron nail Chemical class 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a magnetic separation unit for magnetic ores, which is used for solving the problem of poor magnetic separation effect of an existing magnetic separation machine. The magnetic separation unit comprises a high-frequency sieve and a magnetic separation machine, wherein a screen underflow collecting hopper of the high-frequency sieve is connected with a feeding main pipe of the magnetic separation machine, magnetic ores screened by the high-frequency sieve are uniformly mixed to form ore pulp, magnetic materials in the ore pulp are attracted on a collecting disc due to a magnetic force of a magnetic disc and rotate along with the collecting disc, and the magnetic materials are discharged into a scraping groove under the gravity and multiple actions of scraping and grinding of the scraping groove and finally flow into a concentrate groove, and therefore, the rapid recovery is realized, the recovery efficiency is high, and the utilization rate of ore resources is high.
Description
Technical field
The utility model relates to magnetic separation technology field, magnetic ore deposit, is specifically related to a kind of magnetic ore deposit magnetic separation unit.
Background technology
A large amount of exploitation due to iron ore mineral resources, can constantly reduce for stock number, cause raw ore exploitation taste day by day to reduce, the following process such as smelting also improve day by day to dressing product quality requirement, these reality have proposed more and more higher requirement to preparation equipment, impel preparation equipment constantly to more greatly, more excellent and energy-efficient future development.Existing ore dressing unit adopts integral structure mostly, in unit, be independently provided with vibratory sieve, centrifuge and mineral aggregate retracting device three parts, the discharging opening of vibratory sieve is connected with the feeding mouth of centrifuge, the discharging opening of centrifuge is connected with mineral aggregate retracting device, mineral aggregate is discharged from the discharging opening of vibratory sieve after by bolting, the mineral aggregate of discharging from discharging opening is delivered to centrifugal ore separator and screens, and after two-layer screening, finally by mineral aggregate retracting device, is reclaimed and is collected.But the ore dressing set structure of this structure is single, and screening efficiency is low, screening precision is low, thereby causes the problem of magnetic separation weak effect.
Application number is that 02114994.1 Chinese invention patent discloses a kind of pair of product vertical-ring pulsed high-gradient magnetic dressing machine, comprise separation ring, magnetic pole, separation ring below is provided with by two groups and adopts different reciprocating impact ore deposit stream frequency energy output mine tailings and the dipulse device of chats, this dipulse device by dipulse mechanism, mine tailing bucket, in ore bucket form, dipulse branch construction, in mine tailing, middle ore bucket outside, is connected with ground by frame therebetween.
Yet magnetic separator is as the most frequently used magnetic separation separation equipment in ore dressing plant, it is mainly comprised of magnetic roller and dematerial roller, by driven by motor magnetic roller and central shaft, rotates, and central shaft drives dematerial roller to rotate by transmission device.This conventional magnetic plant mineral recovery rate is low, finally affects effective utilization of mineral resources.
Summary of the invention
The utility model is for existing magnetic separator magnetic separation weak effect, and a kind of magnetic ore deposit magnetic separation unit is provided, and can improve the separating effect of magnetic ore resources, and the magnetic mineral ore deposit rate of recovery is high, the utilization rate of magnetic ore resources.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of magnetic ore deposit magnetic separation unit, it is characterized in that: comprise high-frequency screen and magnetic separator, described high-frequency screen comprises by rubber spring and is hung on screen frame in frame, is located at the mineral recovery apparatus of screen frame below, described mineral recovery apparatus comprises screenings collection bucket, described screen frame is at least two-layer, between screen frame, by adjustable shelf, connects, and is provided with high-frequency screen screen cloth in screen frame, screen frame is provided with ore pulp feedway, and vibrator is arranged on ground floor screen frame; Described magnetic separator comprises frame, be installed on the central shaft in frame, be positioned at the material feeding box of central shaft one side, be installed on the some disks on central shaft, disk is fixedly mounted with and is formed by least two group permanent magnets, also comprise feed supervisor, connect feed supervisor and be in charge of with the feed of material feeding box, be set in the some catch traies outside disk, be arranged at the slot scraping between two adjacent catch traies, the concentrate hopper being communicated with slot scraping, catch tray is driven by drive unit, and drive unit comprises variable-frequency motor and decelerator; Described screenings collection bucket connects the feed supervisor of magnetic separator.
Further, described mineral recovery apparatus also comprises screenings collection bucket, and ore pulp feedway comprises ore feeder and mine distributor, between ore feeder and mine distributor, by mineral-feeding pipe, is connected.
Further, described screen frame and horizontal plane angle are 16 ° ~ 18 °.
Further, described screen cloth is divided into the upper, middle and lower-ranking fitting tightly, upper strata is that stainless steel wire coarse net layer, middle level are stainless steel wire fine mesh layer, and lower floor is polyurethane stratum reticulare, and the aperture of stainless steel wire fine mesh layer is all less than the aperture of stainless steel wire coarse net layer and polyurethane stratum reticulare.
Further, the sieve aperture of stainless steel wire fine mesh layer is strip, its long edge stream of mineral to, the vertical stream of mineral of minor face to, the long limit of sieve aperture and the ratio of minor face are 1.5:1, minor face is 0.12mm ~ 0.15mm.
Further, described permanent magnet is laid along disk end face in the mode of polarity N, S alternative arrangement.
Further, described permanent magnet is composited by ndfeb magnet and ferrite magnetic patch, and outside, ferrite magnetic patch is interior for ndfeb magnet.
Further, the two sides of described disk are provided with without magnetic region and permanent magnetism district, are less than the area in permanent magnetism district without the area of magnetic region, without the position of magnetic region, are positioned at slot scraping place.
Further, described magnetic separator also comprises the dilution shower being installed in material feeding box, the de-material shower that is installed on slot scraping place, and dilution shower and de-material shower join by water knockout drum and rack-mounted water inlet manifold.
Further, the charging aperture place of described material feeding box is provided with magnetic obstructing instrument.
Compared with prior art, the beneficial effects of the utility model are:
One, magnetic of the present utility model ore deposit magnetic separation unit, comprise high-frequency screen and magnetic separator, described high-frequency screen comprises by rubber spring and is hung on screen frame in frame, is located at the mineral recovery apparatus of screen frame below, described mineral recovery apparatus comprises screenings collection bucket, described screen frame is at least two-layer, between screen frame, by adjustable shelf, connects, and is provided with high-frequency screen screen cloth in screen frame, screen frame is provided with ore pulp feedway, and vibrator is arranged on ground floor screen frame; Described magnetic separator comprises frame, be installed on the central shaft in frame, be positioned at the material feeding box of central shaft one side, be installed on the some disks on central shaft, disk is fixedly mounted with and is formed by least two group permanent magnets, also comprise feed supervisor, connect feed supervisor and be in charge of with the feed of material feeding box, be set in the some catch traies outside disk, be arranged at the slot scraping between two adjacent catch traies, the concentrate hopper being communicated with slot scraping, catch tray is driven by drive unit, and drive unit comprises variable-frequency motor and decelerator; Described screenings collection bucket connects the feed supervisor of magnetic separator.High-frequency screen adopts at least overlapping distribution of two layer screen frame, and floor space is little; Between screen frame, adopt adjustable shelf to connect, make full use of energy consumption; In each screen frame, be equipped with screen cloth, be equivalent to increase effective work area of screen cloth, and high-frequency screen adopts high-frequency, little amplitude, reduce and prevent sieve pore blockade, mineral are thoroughly separated, and screening efficiency is high, the feature of integrally-built good looking appearance.Ore deposit through after high-frequency screen sorting is delivered to the feed supervisor of magnetic separator, the magneticaction that magnetic material in ore pulp is subject to disk is adsorbed on catch tray and with catch tray and rotates, magnetic material is discharged into slot scraping final inflow in concentrate hopper under gravity and slot scraping are scraped the multiple action of stone roller, thereby realize fast, reclaim, organic efficiency is high, the utilization rate of ore resources.
Two, screen box of the present utility model is in tilted layout, and the angle that makes screen cloth and horizontal plane is 16 ° ~ 18 °, further improves screening efficiency, is beneficial to sieve Minerals and flows to collection bucket.
Three, screen cloth of the present utility model adopts three-decker, there is higher intensity, rigidity and bearing capacity, extended the service life of screen cloth, after even if the less stainless steel wire fine mesh layer in aperture is damaged, only need to change stainless steel wire fine mesh layer wherein, other screen clothes still can be used, and have therefore saved production cost.
Four, the sieve aperture of stainless steel wire fine mesh layer of the present utility model is made as strip, its object is to control granularity from a direction, from another direction, improve percent opening, in the situation that guaranteeing sieve aperture width, improve the percent opening of screen cloth as far as possible, upgrade, the ratio of long limit and minor face is made as 1.5:1, guarantee, in situation that the percent opening of screen cloth is higher, to have improved the efficiency of screening.
Five, permanent magnet of the present utility model adopts the mode of polarity N, S alternative arrangement to be fixedly mounted with, thereby realizes the repeatedly upset of magnetic mineral, and mineral nonmagnetic or that magnetic is weak drop in magnetic mineral switching process, improve the grade of magnetic mineral.
Six, permanent magnet of the present utility model is composited by ndfeb magnet and ferrite magnetic patch, ndfeb magnet outside, ferrite magnetic patch is interior, permanent magnet is composited by ndfeb magnet and ferrite magnetic patch, the magnetic field intensity of magnetic disk surface is high, the thickness or the Area Ratio that change both can be adjusted arbitrarily magnetic field intensity within the specific limits, meet different ore dressing requirements.
Seven, the utility model is set up without magnetic region and permanent magnetism district on disk, and magnetic material will be removed while reaching without magnetic region, so magnetic material do not have magnetic force while unloading, and is more easily removed, and realizes fast and reclaiming.
Eight, magnetic separator of the present utility model also comprises the dilution shower being installed in material feeding box, the de-material shower that is installed on slot scraping place, dilution shower and de-material shower join by water knockout drum and rack-mounted water inlet manifold, can dilute pulp density and help de-material, increase work efficiency.
Nine, the charging aperture place of material feeding box of the present utility model is provided with magnetic obstructing instrument, and magnetic obstructing instrument holds iron nail, these metalloid article of iron bar, can not damage the magnetic separation die cavity of magnetic separator, easy to use, reduces the spoilage of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the structural representation of high-frequency screen one embodiment of the present utility model;
Fig. 3 is the structural representation of the utility model high-frequency screen screen cloth;
Fig. 4 is the structural representation of magnetic separator one embodiment of the present utility model;
Fig. 5 is the catch tray of magnetic separator of the present utility model and the broken section structural representation of slot scraping;
Fig. 6 is that on magnetic separator disk of the present utility model, permanent magnet is arranged schematic diagram;
Mark in figure: 1, high-frequency screen, 2, magnetic separator, 3, rabbling mechanism, 4, pump, 5, body, 6, central shaft, 7, material feeding box, 8, feed supervisor, 9, feed is in charge of, 10, drive unit, 11, concentrate hopper, 12, disk, 13, catch tray, 14, slot scraping, 15, permanent magnetism district, 16, without magnetic region, 17, frame, 18, screen frame, 19, adjustable shelf, 20, vibrator, 21, oversize collection bucket, 22, screenings collection bucket, 23, ore feeder, 24, mine distributor, 25, mineral-feeding pipe, 26, stainless steel wire coarse net layer, 27, stainless steel wire fine mesh layer, 28, polyurethane stratum reticulare.
The specific embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described further; but be not to restriction of the present utility model; not departing from the not creative improvement of making under theme of the present utility model, all belong to protection domain of the present utility model.
Magnetic of the present utility model ore deposit magnetic separation unit, comprises high-frequency screen and magnetic separator,
High-frequency screen comprises frame and screen frame, at least two laminations of screen frame are placed, screen frame by rubber spring hang establish with frame in, screen frame in the present embodiment is selected 5, 5 parallel formation layer structures that stack of screen frame, the angle of each screen frame and horizontal plane is 16 ° ~ 18 °, between multilayer screen frame, by adjustable shelf, connect, on ground floor screen frame, be provided with vibrator, this vibrator can adopt three-phase asynchronous vibration motor, the exciting force that vibrator produces drives screen frame to do rectilinear motion, owing to being connected with adjustable shelf between screen frame, the screen frame of other layers is done rectilinear motion with ground floor screen frame, high-frequency screen screen cloth is installed on screen frame, with this, realize the screening to oversize.
The high-frequency screen screen cloth of installing on screen frame is a kind of novel high-frequency sieve screen cloth, and this novel high-frequency sieve screen cloth comprises three-decker, and wherein upper strata screen cloth is stainless steel wire coarse net layer, and middle level screen cloth is stainless steel wire fine mesh layer, and lower screen is polyurethane stratum reticulare.Polyurethane stratum reticulare adopts the crisscross macroporous structure of crin, also can be inlaid into crossing in length and breadth steel wire in polyurethane stratum reticulare inside.During use, this polyurethane stratum reticulare directly contacts with exciting device.On polyurethane stratum reticulare, be provided with stainless steel wire layer, stainless steel wire layer is according to the difference in its aperture, this stainless steel wire layer is divided into the stainless steel wire fine mesh layer double-layer structure that is positioned at the stainless steel wire coarse net layer of top and is positioned at below, between above-mentioned three layers of screen cloth, fits tightly.The aperture of stainless steel wire fine mesh layer is made as strip, long edge stream of mineral to, minor face perpendicular to stream of mineral to, the long limit in this strip hole and the ratio of minor face are made as 1.5:1, the minor face of stainless steel wire fine mesh layer is 0.12mm-0.18mm, specifically by technological requirement, is determined.Why mesh size is made as to strip, its object is that it is mainly also in order to take into account the related request of screenings granularity and percent opening that the ratio of long limit and minor face is made as to 1.5:1 from the granularity of short side direction control screenings, from the percent opening of long side direction control screen cloth.In order to screen better satisfactory mineral, can stainless steel wire fine mesh layer be set to rotary structure, by rotating this stainless steel wire fine mesh layer order number of adjustable screen constantly, can meet the demand of the varigrained mineral of sieve series.The aperture shape of stainless steel wire coarse net layer is not done specific (special) requirements, can be square, circular, oval, but preferred strip, the aperture of this stainless steel wire coarse net layer is greater than the aperture of lower floor's stainless steel wire fine mesh layer.In above-mentioned three kinds of screen layers, the size in stainless steel wire fine mesh layer aperture, middle level is all less than the aperture of upper strata stainless steel wire coarse net Ceng He lower floor polyurethane stratum reticulare.
On screen frame, be provided with ore pulp feedway, this ore pulp feedway can directly adopt pulp distributer, also can adopt the combination of mine distributor and ore feeder.
Pulp distributer: the feed pipe of pulp distributer stretches in pulp distribution box, pulp distribution box periphery is provided with a plurality of collection stock tanks, and on pulp distribution box, corresponding Ji Jiangchichu is respectively equipped with overfall, in each collection stock tank bottom, is provided with for connecting the mineral-feeding pipe of screen box.During normal use, ore pulp enters by feed pipe the height that pulp distribution box and mineral syrup liquid are increased to overfall gradually, ore pulp enters each collection stock tank from overfall afterwards, finally by being connected in the mineral-feeding pipe of collection stock tank bottom, ore pulp is sprinkled upon on the screen cloth in screen frame.
The combination of mine distributor and ore feeder: be provided with ore feeder on every one deck screen frame, ore feeder on every one deck screen frame is connected in the mine distributor of screen frame top by mineral-feeding pipe, mine distributor is delivered to ore pulp the ore feeder place of every layer of screen frame by mineral-feeding pipe, ore feeder is sprinkled upon ore pulp on the screen cloth in screen frame more equably, and sieves.In order to make screening efficiency higher, screen cloth in every layer of screen frame can be made as to two, between two screen clothes, arrange and reproduce slurry groove, mineral on first screen cloth dewater, unite after screening, again the mineral that dewater, unite are flow to and reproduce slurry groove, supply water, stir into after ore pulp and flow to again on second screen cloth and sieve.
Below bottom screen frame, be provided with mineral recovery apparatus, by mineral recovery apparatus, respectively the oversize of screen cloth and screenings are collected, this mineral recovery apparatus can adopt collection bucket directly oversize and screenings to be collected, and also can adopt belt transport mode oversize and screenings to be transferred to the workshop of subsequent processing.
The utility model adopts collection bucket form, oversize collection bucket and screenings collection bucket are set below bottom screen frame, this oversize collection bucket is for collecting the oversize of its all screen frames in top after screen cloth screening, and this screenings collection bucket is for collecting the screenings of its all screen frames in top after screen cloth screening.
The magnetic separator of the present embodiment comprises frame, by the rack-mounted central shaft of bearing, on central shaft, gap is provided with some disks, the two sides of disk are provided with He Wu magnetic region, permanent magnetism district, the area in permanent magnetism district is greater than the area without magnetic region, this permanent magnetism district is formed by least two group permanent magnets that are fixedly mounted with within it, all permanent magnets are polarity N, S is alternately distributed, and axially can design single or multiple lift stack according to performance requirement, this permanent magnet is composited by ndfeb magnet and ferrite magnetic patch, the surface configuration of ndfeb magnet is identical with ferrite magnetic patch with size, ndfeb magnet outside, ferrite magnetic patch is interior, both justified margins form compound magnetic patch.Each disk is all set with the catch tray that can rotate around central shaft outward, catch tray is driven by drive unit, this drive unit comprises variable-frequency motor and decelerator, variable-frequency motor drives catch tray both can turn clockwise by decelerator, can be rotated counterclockwise again, according to the flow velocity of raw material of ore and flow, select to turn to.Between two adjacent catch traies corresponding to disk without magnetic region, be tiltedly installed with slot scraping, slot scraping blows into the magnetic material on catch tray in slot scraping, the magnetic material being scraped is arranged in concentrate hopper and is collected by slot scraping.A side at central shaft is provided with material feeding box, the charging aperture place of material feeding box is provided with for adsorbing the magnetic obstructing instrument of the metals such as iron nail, iron plate, on material feeding box, be evenly provided with some feeds and be in charge of, all feeds are in charge of with feed supervisor and are communicated with, and feed supervisor is communicated with outside water supply installation again.In order to increase work efficiency, and organic efficiency is high, and spy arranges dilution shower in material feeding box, slot scraping place arranges de-material shower, and this dilution shower is used for diluting pulp density, makes ore pulp even; For the de-material of the magnetic material shower rushing on de-catch tray, can directly adopt a pipeline, also can be formed by upper shower and lower shower, by upper shower and the operation simultaneously of lower shower, help de-material, clean again catch tray.Dilution shower and de-material shower join by water knockout drum and rack-mounted water inlet manifold, for saving water resource, can on corresponding pipeline, choke valve be set.
Before magnetic separator drive unit starts, magnetic ore deposit after high-frequency screen sorting is transported to the feed supervisor of magnetic separator, can connect rabbling mechanism at the screenings collection bucket place of high-frequency screen, rabbling mechanism is equipped with water pipe, and magnetic ore deposit is responsible for pulp conveying through pump after stirring in rabbling mechanism again at feed.The top that also can directly the discharge bucket of high-frequency screen be arranged on to feed supervisor sets water pipe in charging supervisor or material feeding box, and magnetic ore deposit is mixed to form to ore pulp.As a kind of preferred mode, at the discharge bucket place of high-frequency screen, connect rabbling mechanism, rabbling mechanism is equipped with water pipe, and magnetic ore deposit is responsible for pulp conveying through pump after stirring in rabbling mechanism again at feed.Rabbling mechanism can be appreciated and understood that for a person skilled in the art, not repeat them here.
The permanent magnetism district of catch tray bottom and disk is immersed in ore pulp, disk without magnetic region, be positioned at middle and upper part.Start drive unit, and drive catch tray to rotate, magnetic material in ore pulp is subject to the magnetic-adsorption effect in permanent magnetism district in disk and is adsorbed on catch tray, the magnetic material being adsorbed on catch tray departs from ore pulp along with catch tray rotation, catch tray continues rotation, magnetic material on catch tray proceeds to without magnetic region thereupon, without the magnetic material magnetic force in magnetic region, diminish or do not have magnetic force, under the active force of gravity, slot scraping and the multiple action of jet water spout impulse force, be discharged in slot scraping, and finally arrange in concentrate hopper and collect by slot scraping.Because disk maintains static, catch tray rotates, and magnetic material is adsorbed on catch tray, constantly from ore pulp, adsorb successively magnetic material, thereby realize the quick recovery of magnetic material, and organic efficiency is high on the catch tray therefore rotating.
Claims (10)
1. a magnetic ore deposit magnetic separation unit, it is characterized in that: comprise high-frequency screen and magnetic separator, described high-frequency screen comprises by rubber spring and is hung on screen frame in frame, is located at the mineral recovery apparatus of screen frame below, described mineral recovery apparatus comprises screenings collection bucket, described screen frame is at least two-layer, between screen frame, by adjustable shelf, connects, and is provided with high-frequency screen screen cloth in screen frame, screen frame is provided with ore pulp feedway, and vibrator is arranged on ground floor screen frame; Described magnetic separator comprises frame, be installed on the central shaft in frame, be positioned at the material feeding box of central shaft one side, be installed on the some disks on central shaft, disk is fixedly mounted with and is formed by least two group permanent magnets, also comprise feed supervisor, connect feed supervisor and be in charge of with the feed of material feeding box, be set in the some catch traies outside disk, be arranged at the slot scraping between two adjacent catch traies, the concentrate hopper being communicated with slot scraping, catch tray is driven by drive unit, and drive unit comprises variable-frequency motor and decelerator; Described screenings collection bucket connects the feed supervisor of magnetic separator.
2. magnetic according to claim 1 ore deposit magnetic separation unit, is characterized in that: described mineral recovery apparatus also comprises screenings collection bucket, and ore pulp feedway comprises ore feeder and mine distributor, between ore feeder and mine distributor, by mineral-feeding pipe, is connected.
3. magnetic according to claim 1 ore deposit magnetic separation unit, is characterized in that: described screen frame and horizontal plane angle are 16 °-18 °.
4. magnetic according to claim 1 ore deposit magnetic separation unit, it is characterized in that: described screen cloth is divided into the upper, middle and lower-ranking fitting tightly, upper strata is that stainless steel wire coarse net layer, middle level are stainless steel wire fine mesh layer, lower floor is polyurethane stratum reticulare, and the aperture of stainless steel wire fine mesh layer is all less than the aperture of stainless steel wire coarse net layer and polyurethane stratum reticulare.
5. magnetic according to claim 4 ore deposit magnetic separation unit, it is characterized in that: the sieve aperture of stainless steel wire fine mesh layer is strip, its long edge stream of mineral to, the vertical stream of mineral of minor face to, the long limit of sieve aperture and the ratio of minor face are 1.5:1, and minor face is 0.12mm ~ 0.15mm.
6. magnetic according to claim 1 ore deposit magnetic separation unit, is characterized in that: described permanent magnet is laid along disk end face in the mode of polarity N, S alternative arrangement.
7. magnetic according to claim 6 ore deposit magnetic separation unit, is characterized in that: described permanent magnet is composited by ndfeb magnet and ferrite magnetic patch, and outside, ferrite magnetic patch is interior for ndfeb magnet.
8. magnetic according to claim 7 ore deposit magnetic separation unit, is characterized in that: the two sides of described disk are provided with without magnetic region and permanent magnetism district, is less than the area in permanent magnetism district without the area of magnetic region, without the position of magnetic region, is positioned at slot scraping place.
9. magnetic according to claim 8 ore deposit magnetic separation unit, it is characterized in that: described magnetic separator also comprises the dilution shower being installed in material feeding box, the de-material shower that is installed on slot scraping place, dilution shower and de-material shower join by water knockout drum and rack-mounted water inlet manifold.
10. magnetic according to claim 9 ore deposit magnetic separation unit, is characterized in that: the charging aperture place of described material feeding box is provided with magnetic obstructing instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320653196.5U CN203494651U (en) | 2013-10-23 | 2013-10-23 | Magnetic separation unit for magnetic ores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320653196.5U CN203494651U (en) | 2013-10-23 | 2013-10-23 | Magnetic separation unit for magnetic ores |
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| Publication Number | Publication Date |
|---|---|
| CN203494651U true CN203494651U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320653196.5U Expired - Lifetime CN203494651U (en) | 2013-10-23 | 2013-10-23 | Magnetic separation unit for magnetic ores |
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| CN (1) | CN203494651U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670956A (en) * | 2017-11-01 | 2018-02-09 | 无锡宇能选煤机械厂 | The Spiral classfier of bar magnet absorption magnetic impurity is installed |
| CN115141010A (en) * | 2022-06-22 | 2022-10-04 | 江西博瑞新材料科技有限公司 | Method for magnetic separation and enrichment of lepidolite by utilizing pressed tailing of lithium ore |
-
2013
- 2013-10-23 CN CN201320653196.5U patent/CN203494651U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670956A (en) * | 2017-11-01 | 2018-02-09 | 无锡宇能选煤机械厂 | The Spiral classfier of bar magnet absorption magnetic impurity is installed |
| CN115141010A (en) * | 2022-06-22 | 2022-10-04 | 江西博瑞新材料科技有限公司 | Method for magnetic separation and enrichment of lepidolite by utilizing pressed tailing of lithium ore |
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Effective date of registration: 20170919 Address after: Three groups of black Lixian Jing Xiang mining village of Sichuan province 615100 in Liangshan Patentee after: HUILI CAITONG IRON TITANIUM CO.,LTD. Address before: 615100 Sichuan Yi Autonomous Prefecture in Liangshan province Huili County Nan Ge Xiang Huang Ni Gang Patentee before: HUILI COUNTY HONGYUN CO.,LTD. |
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Granted publication date: 20140326 |