CN102211059B - High-field-intensity and high-gradient permanent magnetic separator - Google Patents
High-field-intensity and high-gradient permanent magnetic separator Download PDFInfo
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- CN102211059B CN102211059B CN201110038923.2A CN201110038923A CN102211059B CN 102211059 B CN102211059 B CN 102211059B CN 201110038923 A CN201110038923 A CN 201110038923A CN 102211059 B CN102211059 B CN 102211059B
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Abstract
The invention provides a high-field-intensity and high-gradient permanent magnetic separator which comprises a separating slot (1), a high-field-intensity and high-gradient permanent magnetic separation disc group (2), a location bearing seat (3), a scraping disc (4), an irrigator (5), a transmission device (6) and a separator cover (7). The high-field-intensity and high-gradient permanent magnetic separation disc group (2) comprises a plurality of permanent magnetic separation discs (2) and a centre shaft (13); each permanent magnetic separation disc (12) is sleeved and fixed on the centre shaft; and the permanent magnetic separation discs (12) are parallel to each other, and intervals are arranged between the permanent magnetic separation discs. The high-field-intensity and high-gradient permanent magnetic separator provided by the invention has the advantages of simple structure, low cost and large separation area, and can be manufactured into a large size so as to satisfy the extensive industrialization application; and various weak magnetic or slightly magnetic components in ores can be separated and selected better.
Description
Technical field
The present invention relates to a kind of preparation equipment, especially a kind of high field intensity high-gradient permanent magnetic separator that sorts magnetic mineral and/or weak magnetic mineral.
Background technology
Developing rapidly and changing due to science, technology and society economic activity, exploitation and the consumption of mineral resources increase rapidly, explored various rich ore reserves are fewer and feweri, if lean ore do not exploited and for supplementing the deficiency of rich ore, the scarcity because of mineral resources seriously hindered to the normal development of human society.But the exploitation of lean ore need to rely on high-new science and technology, adopt traditional science and technology and equipment exploitation lean ore will cause the great wasting of resources and environmental pollution.For this reason, technique of preparing and the preparation equipment of exploitation and Development of Novel are very urgent, and are rich in challenge.
Up to now, the magnetic induction intensity of existing all kinds of permanent magnetic separators is relatively fixing, is difficult to sort mineral matter that magnetic is close or poor to the separating degree of the close mineral matter of magnetic, does not reach requirement separated and that sort; Meanwhile, the increase that the magnetic induction intensity of permanent magnetic separator can be in time and weaken gradually final loss of excitation; And, permanent magnetic separator at present only can be for choosing minute strongly magnetic mineral matter, weak magnetic or paramagnetic mineral matter are sorted to separating effect poor, there is obvious application limitation, for example, more than the magnetic field intensity of existing all kinds of permanent magnetic separator magnetic separation parting surfaces cannot reach 0.8T (tesla), and it is little to present magnetic field gradient, a minute ferromagnetic substance can only be selected, a minute material for weak magnetic can not be selected.More than although the local region magnetic induction intensity by some permanent-magnets after specific combination can reach 1.2T, its magnetic field gradient is also larger, but the restriction due to prior art, equipment and material, this class combination at present does not also have to find that can make diameter is greater than combination magnetic part more than φ 500mm, and choosing minute area is very little, can only select separating tests for the trace in laboratory, cannot be for suitability for industrialized production.
Chinese patent ZL97207074.5, ZL99233150.1, ZL99245569.3, ZL03215262.0, ZL03240242.2, ZL200320110040.9 etc. disclose and have been assembled into a kind of pulley type magnetic roller with magnet and various assembly, then with magnetic roller as magnetic separation parts, set up into the magnetic separator that various appearance forrns are different, it selects split is exactly magnetic roller; The magnetic roll structure of this form is complicated, and cost is high, and choosing minute area is little, and the report of current rarely seen minor diameter (diameter is less than 150mm) magnetic roller has no the report of major diameter magnetic roller.In addition, existing permanent magnetic separator complex structure, is unfavorable for installation and maintenance.
In order to save electric energy, improve the income/investment of ore dressing, and improve the sorting usefulness of magnetic plant and efficiently sort weak magnetic substance or the close material of magnetic, realize the application of heavy industrialization, the invention provides a kind of permanent magnetic separator of high field intensity high gradient.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of simple in structure, cost is low, choosing minute area is large, can make large scale meets heavy industrialization application, and can be the better separated a kind of high field intensity high-gradient permanent magnetic separator that sorts the composition of various weak magnetic in ore or faint magnetic.
For solving the problems of the technologies described above, the present invention adopts following technical proposals:
A kind of high field intensity high-gradient permanent magnetic separator is provided, and it comprises the parts such as choosing minute groove, high field intensity high-gradient permanent magnetic magnetic separation dish group, device for discharging, transmission device, cover.
High field intensity high-gradient permanent magnetic magnetic separation dish group is positioned in choosing minute groove, and transmission device is connected with high field intensity high-gradient permanent magnetic magnetic separation dish group, and drives its rotation; High field intensity high-gradient permanent magnetic magnetic separation dish group comprises polylith permanent-magnet concentration dish and central shaft, and each permanent-magnet concentration dish is enclosed on central shaft and is fixing, parallel between permanent-magnet concentration dish and permanent-magnet concentration dish, and gapped.Preferably, each gap equates.
Preferably, gap is more than or equal to 30mm, and more preferably gap is more than or equal to 40mm.
Further, every permanent-magnet concentration dish by the magnetic patch of center hub, aluminium holder, different size, the soft iron sheet of different size, arc hat and excircle bag sheet form; Press arc hat, soft iron sheet, magnetic patch, soft iron sheet, magnetic patch ... the order of soft iron sheet, aluminium holder strings together them and fix to form a sector magnet sub-assembly, the polarity of the magnetic patch of every soft iron sheet contact both sides face is identical, sector magnet sub-assembly is fixed in center hub, and a plurality of sector magnet sub-assemblies form a permanent-magnet concentration dish by excircle bag sheet location again.
Further, each contact-making surface available metal gluingly connect, compacting; Described fixed form is for being spirally connected.The both sides of permanent-magnet concentration dish are magnetic separation faces, and on magnetic separation face, the magnetic induction intensity of soft iron panel region is the highest, more than Gao Zheke reaches 1.2T.Permanent-magnet concentration dish group is a sub-assembly, unlike material, consists of, and wherein, center hub is made and all can with magnetic material or nonmagnetic substance; Aluminium holder is to be made by aluminum material, also can make of other nonmagnetic substance; Soft iron sheet is to be made by electrical pure iron or cobalt steels material; Arc hat is to be made by nonmagnetic substance; Excircle bag sheet is to be made by nonmagnetic substance.
Further, choosing minute groove is comprised of charging aperture, minute constituency, mine tailing outlet and a choosing minute groove support, and charging aperture, minute constituency, mine tailing outlet are all fixed on choosing minute groove support, and high field intensity high-gradient permanent magnetic magnetic separation dish group is positioned on choosing minute groove support.Charging aperture, minute constituency, mine tailing outlet are made by nonmagnetic substance, and a choosing minute groove support can be made of magnetic material, also can make of nonmagnetic substance.High field intensity high-gradient permanent magnetic magnetic separation dish group can be fixed by positioning bearing seat, and this positioning bearing seat is standard component, can purchase from market.
Device for discharging is for fixedly scraping charging tray, rotating and scrape at least one in charging tray or flusher.Scraping charging tray can make and fixedly scrape charging tray and two kinds of forms of charging tray are scraped in rotation; Square odontoid is processed on the one side of fixedly scraping charging tray, gap between the size of square tooth and high field intensity high-gradient permanent magnetic magnetic separation dish equates or is smaller, square tooth stretches in the gap of high field intensity high-gradient permanent magnetic magnetic separation dish, scraper plate is equipped with in the both sides of square tooth, the magnetic separation face close proximity of scraper plate and high field intensity high-gradient permanent magnetic magnetic separation dish, but relatively can be movable, one side and two sides have baffle plate in addition, for blocking the fine fodder of selecting, one of them side has been installed fine fodder outlet; Rotation is scraped charging tray and is comprised of rotation scraper group, turning cylinder and a rotation scraper group turning cylinder bearing, rotating scraper group is vertically mounted on a turning cylinder, this turning cylinder is parallel with the turning cylinder of high field intensity high-gradient permanent magnetic magnetic separation dish group, and be fixed on choosing minute groove support by rotating scraper group turning cylinder bearing, during rotation, the magnetic separation face of rotation scraper group edge of a knife face and high field intensity high-gradient permanent magnetic magnetic separation dish is CONTACT WITH FRICTION in opposite directions, and the material that magnetic separation face is held scrapes; Scraping charging tray is a sub-assembly, and it makes material is that various nonmagnetic substances are composited.Preferably, rotate the direction of rotation of scraper group rotation direction and high field intensity high-gradient permanent magnetic magnetic separation dish group.
Flusher is a flusher being made by nonmagnetic substance, this device by flushing liquor guidance quality rush at the magnetic separation face of high field intensity high-gradient permanent magnetic magnetic separation dish, the material of magnetic separation face sucking-off is rinsed and converged to material bearing disc, then from the fine fodder outlet of material bearing disc, flow out.
Transmission device is the sleeve assembly being made by different materials, and it drives high field intensity high-gradient permanent magnetic magnetic separation dish group and rotates the rotation scraper group rotation of scraping charging tray, and it is to be combined by various different materials.
Cover is high field intensity high-gradient permanent magnetic separator top closure, and making material can be magnetic material, can be also nonmagnetic substance.Certainly, also can not use cover.
The working method of high field intensity high-gradient permanent magnetic separator of the present invention is: ore pulp enters to a minute constituency from the charging aperture of high field intensity high-gradient permanent magnetic separator choosing minute groove, in minute constituency, contact with the high field intensity high-gradient permanent magnetic magnetic separation dish of rotation, high field intensity high-gradient permanent magnetic magnetic separation dish is by actuator drives; In ore pulp, magnetisable material and weak magnetic substance are drawn on the magnetic separation face of high field intensity high-gradient permanent magnetic magnetic separation dish by high-gradient magnetic field, along with turning to, magnetic separation face scrapes charging tray, scraping charging tray scrapes the material of inhaling on magnetic separation face, and be rinsed liquid wash and the enrichment that device gushes out, from the fine fodder outlet of material bearing disc, flow out; Magnetic and weak magnetic substance in ore pulp are sucked out, and ore pulp now is just mine tailing, and mine tailing is discharged from the mine tailing outlet of choosing minute groove; So, realize the object of continuous ore dressing.
The permanent-magnet concentration disc number of permanent magnetic separator of the present invention, gap, its diameter dimension and thickness, magnetic field intensity and gradient magnitude all can be according to the on-the-spot flexible design of different uses.
For substance of the present invention is more clearly described, below in conjunction with the drawings and specific embodiments, be illustrated.
Accompanying drawing explanation
The schematic perspective view of Fig. 1 high field intensity high-gradient permanent magnetic separator of the present invention.
The choosing of Fig. 2 high field intensity high-gradient permanent magnetic separator of the present invention divides the schematic diagram of groove 1.
The schematic diagram of the magnetic separation dish group 2 of Fig. 3 high field intensity high-gradient permanent magnetic separator of the present invention.
The schematic diagram of single permanent-magnet concentration dish 12 in the magnetic separation dish group of Fig. 4 high field intensity high-gradient permanent magnetic separator of the present invention.
The schematic diagram of scraping charging tray 4 of Fig. 5 high field intensity high-gradient permanent magnetic separator of the present invention.
The schematic diagram of the flusher 5 of Fig. 6 high field intensity high-gradient permanent magnetic separator of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, describe a kind of high field intensity high-gradient permanent magnetic separator of the present invention, described embodiment is for the present invention is described better, and can not be interpreted as it is the restriction to claim of the present invention.
Fig. 1 is the schematic perspective view of high field intensity high-gradient permanent magnetic separator, wherein, the 1st, choosing minute groove, the 2nd, high field intensity high-gradient permanent magnetic magnetic separation dish group, the 3rd, positioning bearing seat, the 4th, scrapes charging tray, the 5th, flusher, the 6th, transmission device, the 7th, cover.Positioning bearing seat 3 is positioned at high field intensity high-gradient permanent magnetic magnetic separation dish group 2 in choosing minute groove 1; Scrape charging tray 4 and flusher 5 is installed by the mode shown in Fig. 1, cover 7 is arranged on choosing minute groove 1, by high field intensity high-gradient permanent magnetic magnetic separation dish group 2, scrape charging tray 4 and flusher 5 covers in cover; Transmission device 6 is connected with high field intensity high-gradient permanent magnetic magnetic separation dish group 2, and drives high field intensity high-gradient permanent magnetic magnetic separation dish group 2 to rotate.
Fig. 2 is choosing minute groove 1 schematic diagram, choosing minute groove is comprised of charging aperture 8, minute constituency 9, mine tailing outlet 10 and a choosing minute groove support 11, charging aperture 8, minute constituency 9, mine tailing outlet 10 are all fixed on choosing minute groove support 11, charging aperture 8, minute constituency 9, mine tailing outlet 10 are made by nonmagnetic substance, a choosing minute groove support 11 can be made of magnetic material, also can make of nonmagnetic substance.
Fig. 3 is high field intensity high-gradient permanent magnetic magnetic separation dish group 2 schematic diagrames, and high field intensity high-gradient permanent magnetic magnetic separation dish group 2 is comprised of polylith permanent-magnet concentration dish 12, central shaft 13, alignment pin 14 and bolt 15; Central shaft 13 has positioning key cotter way, and permanent-magnet concentration dish 12 has umbo, and there is axis hole in the central authorities of umbo, in the vertical centre axis hole direction of umbo, has positioning bolt hole; Alignment pin 14 is put into the positioning key cotter way of central shaft 13, again permanent-magnet concentration dish 12 is enclosed within on central shaft, then with bolt 15, permanent-magnet concentration dish 12 is fixed on central shaft 13, put so again other permanent-magnet concentration dish 12, parallel between permanent-magnet concentration dish 12 and permanent-magnet concentration dish 12, and gapped.
Fig. 4 is single permanent-magnet concentration dish 12 schematic diagrames in high field intensity high-gradient permanent magnetic magnetic separation dish group, and permanent-magnet concentration dish 12 is comprised of soft iron sheet 19, arc hat 20, magnetic assembly bolt 21 and nut 22, excircle bag sheet 23 and the bag sheet dog screw 24 of center hub 16, aluminium holder 17, different size magnetic patch 18, different size, on the soft iron sheet 19 of center hub 16, aluminium holder 17, different size magnetic patch 18, different size, arc hat 20, be all drilled with the magnetic assembly positioning bolt hole of equidistant equal aperture, on the arc crown center of arc hat 20 and excircle bag sheet 23, be drilled with bag sheet positioning screw hole, by magnetic assembly positioning bolt hole, with magnetic assembly bolt 21, press arc hat 20, soft iron sheet 19, magnetic patch 18, soft iron sheet 19, magnetic patch 18, soft iron sheet 19, magnetic patch 18... soft iron sheet 19, the order of aluminium holder 17 strings together them, the polarity of the magnetic patch 18 of every soft iron sheet 19 contact both sides faces is identical, contact-making surface between different assemblies is bonding with metal-to-metal adhesive, compacting, form a sector magnet sub-assembly, and be fixed in center hub 16 by magnetic assembly bolt 21 and nut 22, a plurality of sector magnet sub-assemblies are again by excircle bag sheet 23 and bag sheet dog screw 24 location, form a permanent-magnet concentration dish 12.
Between permanent-magnet concentration dish 12 and permanent-magnet concentration dish 12, be parallel to each other, and have certain gap, preferably, the gap between adjacent permanent-magnet concentration dish equates; Preferably, this gap is more than or equal to 30mm, and more preferably, this gap is more than or equal to 40mm.The both sides of permanent-magnet concentration dish 12 are magnetic separation faces, and on magnetic separation face, the magnetic induction intensity in soft iron sheet 19 regions is the highest, more than Gao Zheke reaches 1.2T.Permanent-magnet concentration dish 12 can be made into major diameter as required, as Φ 600mm, Φ 800mm or larger.
Permanent-magnet concentration dish 12 is sub-assemblies, unlike material, consists of, and wherein, center hub 16 use magnetic materials or nonmagnetic substance are made and all can; Aluminium holder 17 is to be made by aluminum material, also can make of other nonmagnetic substance; Soft iron sheet 19 is to be made by electrical pure iron or cobalt steels material; Arc hat 20 is to be made by nonmagnetic substance; Excircle bag sheet 23 is to be made by nonmagnetic substance.
Fig. 5 scrapes charging tray 4 schematic diagrames, scraping charging tray 4 can make and fixedly scrape charging tray and two kinds of forms of charging tray are scraped in rotation: one side fixedly scrape charging tray be processed into square odontoid, gap between the size of square tooth 25 and permanent-magnet concentration dish 12 equates or is smaller, square tooth 25 stretches in the gap of permanent-magnet concentration dish 12, scraper plate 26 is equipped with in the both sides of square tooth 25, the magnetic separation face close proximity of scraper plate 26 and permanent-magnet concentration dish 12, but relatively can be movable, another side and two sides have baffle plate 27, for blocking the fine fodder of selecting, one of them side has been installed fine fodder outlet 28; Rotation is scraped charging tray by rotation scraper group 29, a turning cylinder 30 and is rotated scraper turning cylinder bearing and forms, rotating scraper group 29 is vertically mounted on a turning cylinder 30, this turning cylinder 30 is parallel with the turning cylinder of high field intensity high-gradient permanent magnetic magnetic separation dish group, and be fixed on choosing minute groove support 11 by rotating scraper group turning cylinder bearing, the direction of rotation of its rotation direction and high field intensity high-gradient permanent magnetic magnetic separation dish group 2, during rotation, the magnetic separation face of rotation scraper group 29 edge of a knife faces and permanent-magnet concentration dish 12 is CONTACT WITH FRICTION in opposite directions, and the material that magnetic separation face is held scrapes.Rotating scraper turning cylinder bearing is standard component; Scraping charging tray 4 is sub-assemblies, and its making material can be various nonmagnetic substances and is composited.
Fig. 6 is flusher 5 schematic diagrames, the 31st, and flushing liquor import, the 32nd, flushing liquor house steward, the 33rd, flushing liquor house steward blind plate, the 34th, flushing liquor arm, the 35th, flushing liquor arm blind plate, the 36th, the spray hole on flushing liquor arm.Its working method is: flushing liquor enters flushing liquor house steward 32 from flushing liquor import 31, under the barrier effect of flushing liquor house steward blind plate 33, branch in flushing liquor arm 34, again under the barrier effect of flushing liquor arm blind plate 35, flushing liquor, from spray hole 36 high speed ejections, is sprayed onto on the both sides magnetic separation face of permanent-magnet concentration dish 12, by under the magnetic mineral flushing of inhaling on magnetic separation face, be summarised in material bearing disc, and in fine fodder outlet 28, flow out from it is set.The making material of flusher 5 is stainless steel or other nonmagnetic substance.
Preferably, the making of material bearing disc is identical with the making form of fixedly scraping charging tray.
The working method of the high field intensity high-gradient permanent magnetic separator described in this specific embodiments is: ore pulp enters to minute constituency 9 from the charging aperture 8 of high field intensity high-gradient permanent magnetic separator choosing minute groove 1, the magnetic separation face of the permanent-magnet concentration dish 12 in minute constituency 9 and in the high field intensity high-gradient permanent magnetic magnetic separation dish group 2 of rotating contacts, and high field intensity high-gradient permanent magnetic magnetic separation dish 12 is driven by transmission device 6; In ore pulp, magnetisable material and weak magnetic substance are drawn to by high-gradient magnetic field on the magnetic separation face of high field intensity high-gradient permanent magnetic magnetic separation dish 12, along with magnetic separation face rotates, scrape charging tray 4 material of inhaling on magnetic separation face is scraped, and from the fine fodder outlet of material bearing disc, flow out; Magnetic and weak magnetic substance in ore pulp are sucked out, and ore pulp now is just mine tailing, and mine tailing is discharged from the mine tailing outlet 10 of choosing minute groove 1; Operation so continuously, realizes the object of choosing minute mineral continuously.
It should be noted that, as the case may be, cover can be used also and can not use; The position of supporting pivotal axis in permanent magnetic separator can arrange positioning bearing seat; In the present embodiment, adopted the mode being spirally connected, but those skilled in the art understand, the fixed form that also can adopt other is as riveted joint etc.
Device for discharging can be and fixedly scrapes charging tray, rotates and scrape at least one in charging tray or flusher, while using flusher in combination, along with magnetic separation face rotates, scrape charging tray the material of inhaling on magnetic separation face is scraped, and be rinsed liquid wash and the enrichment that device gushes out, from the fine fodder outlet of material bearing disc, flow out; Mine tailing is discharged from the mine tailing outlet of choosing minute groove; Operation so continuously, realizes the object of choosing minute mineral continuously.
Claims (12)
1. a high field intensity high-gradient permanent magnetic separator, it comprises a choosing minute groove (1), high field intensity high-gradient permanent magnetic magnetic separation dish group (2), device for discharging, transmission device (6), cover (7); High field intensity high-gradient permanent magnetic magnetic separation dish group (2) is positioned in choosing minute groove (1), and transmission device (6) is connected with high field intensity high-gradient permanent magnetic magnetic separation dish group (2), and drives its rotation; High field intensity high-gradient permanent magnetic magnetic separation dish group (2) comprises polylith permanent-magnet concentration dish (12) and central shaft (13), each permanent-magnet concentration dish (12) is enclosed on central shaft and fixes, parallel between permanent-magnet concentration dish (12) and permanent-magnet concentration dish (12), and gapped, it is characterized in that: every permanent-magnet concentration dish (12) is comprised of soft iron sheet (19), arc hat (20) and the excircle bag sheet (23) of center hub (16), aluminium holder (17), the magnetic patch (18) of a plurality of different sizes, a plurality of different sizes; Press arc hat (20), soft iron sheet (19), magnetic patch (18), soft iron sheet (19), magnetic patch (18) ... the order of soft iron sheet (19), aluminium holder (17) strings together them and fix to form a sector magnet sub-assembly, the polarity of the magnetic patch of every soft iron sheet (19) contact both sides face is identical, sector magnet sub-assembly is fixed in center hub, a plurality of sector magnet sub-assemblies are located by excircle bag sheet (23) again, thereby form a permanent-magnet concentration dish.
2. high field intensity high-gradient permanent magnetic separator as claimed in claim 1, described gap equates.
3. high field intensity high-gradient permanent magnetic separator as claimed in claim 1 or 2, described gap is more than or equal to 30mm.
4. high field intensity high-gradient permanent magnetic separator as claimed in claim 1 or 2, described gap is more than or equal to 40mm.
5. high field intensity high-gradient permanent magnetic separator as claimed in claim 1 or 2, described each contact-making surface is bonding with metal-to-metal adhesive, compacting; Each permanent-magnet concentration dish (12) be enclosed on central shaft and fixing fixed form for being spirally connected; Every permanent-magnet concentration dish (12) is comprised of the soft iron sheet (19) of center hub (16), aluminium holder (17), the magnetic patch (18) of a plurality of different sizes, a plurality of different sizes, arc hat (20) and excircle bag sheet (23), by arc be preced with (20), soft iron sheet (19), magnetic patch (18), soft iron sheet (19), magnetic patch (18) ... the fixed form that the order of soft iron sheet (19), aluminium holder (17) strings together them and fix to form a sector magnet sub-assembly is for being spirally connected; Sector magnet sub-assembly is fixed on fixed form in center hub for being spirally connected.
6. high field intensity high-gradient permanent magnetic separator as claimed in claim 1 or 2, described aluminium holder (17) is to be made by aluminum material.
7. high field intensity high-gradient permanent magnetic separator as claimed in claim 1 or 2, described soft iron sheet (19) is to be made by electrical pure iron or cobalt steels material.
8. high field intensity high-gradient permanent magnetic separator as claimed in claim 1 or 2, described arc hat (20), excircle bag sheet (23) are to be made by nonmagnetic substance.
9. high field intensity high-gradient permanent magnetic separator as claimed in claim 1 or 2, described choosing divides groove (1) to divide a groove support (11) to form by charging aperture (8), minute constituency (9), mine tailing outlet (10) and choosing; It is upper that charging aperture (8), minute constituency (9) and mine tailing outlet (10) are all fixed on choosing minute groove support (11), and high field intensity high-gradient permanent magnetic magnetic separation dish group (2) is positioned at described choosing and divides on groove support (11).
10. high field intensity high-gradient permanent magnetic separator as claimed in claim 1 or 2, described device for discharging for fixedly scraping charging tray, at least one in charging tray or flusher scraped in rotation.
11. high field intensity high-gradient permanent magnetic separators as claimed in claim 10, square odontoid is processed on described one side of fixedly scraping charging tray, gap between the size of square tooth (25) and permanent-magnet concentration dish (12) equates or is smaller, square tooth (25) stretches in the gap of permanent-magnet concentration dish (12), scraper plate (26) is equipped with in the both sides of square tooth (25), the magnetic separation face close proximity of scraper plate (26) and permanent-magnet concentration dish (12), but relatively can be movable, another side and two sides have baffle plate (27), for blocking the fine fodder of selecting, one of them side has been installed fine fodder outlet (28).
12. high field intensity high-gradient permanent magnetic separators as claimed in claim 10, described choosing divides groove (1) to be comprised of charging aperture (8), minute constituency (9), mine tailing outlet (10) and a choosing minute groove support (11); Described rotation is scraped charging tray and is comprised of a rotation scraper group (29), turning cylinder (30), rotation scraper group turning cylinder bearing, rotating scraper group (29) is vertically mounted on described turning cylinder (30), this turning cylinder (30) is parallel with the turning cylinder of high field intensity high-gradient permanent magnetic magnetic separation dish group (2), and be fixed on choosing minute groove support (11) by rotating scraper group turning cylinder bearing, during rotation, the magnetic separation face of rotation scraper group (29) edge of a knife face and permanent-magnet concentration dish (12) is CONTACT WITH FRICTION in opposite directions, and the material that magnetic separation face is held scrapes.
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| CN201110038923.2A CN102211059B (en) | 2011-02-16 | 2011-02-16 | High-field-intensity and high-gradient permanent magnetic separator |
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| CN201110038923.2A CN102211059B (en) | 2011-02-16 | 2011-02-16 | High-field-intensity and high-gradient permanent magnetic separator |
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| CN110142136B (en) * | 2019-06-24 | 2024-06-14 | 纪礽辉 | Permanent-magnet high-gradient magnetic separator |
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