Can turn over dry-dressing machine by adjustable magnetic
The utility model relates to one can turn over dry-dressing machine by adjustable magnetic, belongs to mineral magnetic plant technical field.
Magnetic separation is a kind of important beneficiation method, and dry-dressing machine is mainly that magnetic material and non-magnetic material are separated from solid material, removes the non-magnetic material in mineral aggregate, improves purity or the grade of magnetic material.Permanent magnetism dry dressing device is the common equipment of mineral magnetic separation, after mineral aggregate fragmentation, granularity inequality, thickness material mixes, and conventional permanent magnetism dry dressing device magnetic field intensity is low, in magnet drum, Guide canel is mostly between 100 ° ~ 180 °, number of magnet poles is few, and magnetic force size is uneven, and material lacks magnetic stirring, lacks magnetic force upset, the magnetic material of extruding and non-magnetic material parcel are mingled with seriously mutually, have inferior separating effect, separate the drawbacks such as not thorough.
Utility model content
The utility model object is to provide one can turn over dry-dressing machine by adjustable magnetic, and magnetic field intensity is high, and magnetic force overturns often, and after raising sorting, purity or the grade of magnetic material, solve the problem existing in background technology.
The technical solution of the utility model is:
One can be turned over dry-dressing machine by adjustable magnetic, comprise conveying belt with sides, magnetic system, magnet drum, drive roll and frame, magnet drum and drive roll are arranged in frame, magnet drum and drive roll by outer ring around conveying belt with sides be connected, the line in conveying belt with sides upside belt body and magnet drum and drive roll axle center is provided with angle α, conveying belt with sides top is provided with feeding mouth, magnet drum below is provided with mine tailing mouth and the concentrate mouth that dividing plate separates, in magnet drum, be provided with interior cylinder, interior cylinder is arranged on magnet drum axle, and interior outer surface of cylinder is provided with magnetic system.
Inside described conveying belt with sides, both sides are provided with gib block, and drive roll and magnet drum both sides and gib block opposite position are provided with gathering sill, prevent conveying belt with sides sideslip.
Described magnetic is to comprise interior roller tube and permanent magnet, permanent magnet circularizes the N utmost point, S utmost point alternative arrangement along the arranged radially of interior roller tube outer surface, main pole permanent magnet magnetization direction is along interior cylinder arranged radially, the angle of the secondary magnetic pole permanent magnet magnetization direction of main pole both sides and the direction of magnetization of main pole is 0 ~ 45 °, the auxiliary magnetic pole direction of magnetization is vertical with the main pole direction of magnetization, and the magnetic direction that auxiliary magnetic pole produces at main pole radial outer end is consistent with main pole radial outer end magnetic direction.
Outside cross section, described interior roller tube footpath is regular polygon or circle, and is fixed on magnet drum axle, and the limit number of regular polygon is identical with main pole quantity.
Described main pole quantity is the even number in 6-96,360 °, disk pack angle, and between adjacent two main poles, radial outer end polarity is contrary.
The outer transmission side of described dividing plate is provided with a point ore deposit governor motion.
Magnetic system rotates backward with mineral aggregate, under the effect of magnetic system, magnetic material produces repeatedly the degree of depth and stirs and upset, and is tightly adsorbed on conveying belt with sides, runs to without being discharged into concentrate case behind magnetic region with conveying belt with sides, non-magnetic material is under gravity, centrifugal action, separate to mineral aggregate is outer, and be thrown in tailing tank, thereby effectively reduce Armco magnetic iron content in mine tailing, throw except non-magnetic material in mineral aggregate, improve purity or the grade of magnetic material.
The beneficial effects of the utility model are: magnetic is that surface electric field intensity can reach 7500Gs, and magnetic field gradient is high, and depth of interaction is large; Drive roll and magnetic are that rotating speed is adjustable, have strengthened the applicability to different mineral aggregates; Sorting district increases greatly, sorts efficiency high; Purity or the grade of magnetic material after raising sorting, operation production cost after reducing; Compact conformation is reasonable, takes up room little.
Brief description of the drawings
Fig. 1 is the utility model front view;
Fig. 2 is the utility model top view;
Fig. 3 is the utility model A-A cutaway view;
Fig. 4 is the utility model magnet drum profile;
Fig. 5 is the utility model magnetic architecture schematic diagram;
In figure: magnet drum axle 1, interior cylinder 2, magnet drum cylinder skin 3, conveying belt with sides 4, magnetic are 5, interior cylinder variable frequency reducer motor 6, driving shaft variable frequency reducer motor 7, point ore deposit governor motion 8, magnet drum 9, feeding mouth 10, mine tailing mouth 11, dividing plate 12, concentrate mouth 13, drive roll 14, interior roller tube 15, permanent magnet 16, frame 17, driving shaft 18, main pole 19, secondary magnetic pole 20, auxiliary magnetic pole 21.
Detailed description of the invention
Below in conjunction with accompanying drawing, by example, the utility model is described in further detail.
With reference to accompanying drawing 1, 2, 3, one can be turned over dry-dressing machine by adjustable magnetic, comprise conveying belt with sides 4, magnetic is 5, magnet drum 9, drive roll 14 and frame 17, driving shaft variable frequency reducer motor 7 is connected with driving shaft 18 by shaft coupling, driving shaft 18 is connected with drive roll 14, drive roll 14 and magnet drum 9 by outer ring around conveying belt with sides 4 connect, both sides, inner side at conveying belt with sides 4 are provided with gib block, simultaneously, drive roll 14 and magnet drum 9 both sides answer position to be provided with gathering sill in contrast, prevent conveying belt with sides 4 sideslips, like this, driving shaft variable frequency reducer motor 7 just can drive magnet drum 9 to rotate, rotating speed can appropriately adjust according to mineral aggregate and production requirement concrete condition.Magnet drum 9 crusts are the magnet drum cylinder skin 3 that non-magnet material is made, and material is nylon or fiberglass.In magnet drum 9, be provided with interior cylinder 2, interior cylinder 2 is contained on magnet drum axle 1, and it is 5 that interior cylinder 2 outer surfaces are equipped with the magnetic that permanent magnet 16 forms, and permanent magnet 16 is high-performance Ne-Fe-B permanent magnet.Interior cylinder variable frequency reducer motor 6 is direct-connected by shaft coupling and magnet drum axle 1, with reference to accompanying drawing 4, supplied materials opposite direction on direction of rotation and conveying belt with sides 4, the line in conveying belt with sides 4 upside belt bodies and magnet drum 9 and drive roll 14 axle center has an angle α, to increase pre-selected zone, angle is determined with magnet drum 9 centre-to-centre spacing by magnet drum 9 diameters and drive roll 14.Above conveying belt with sides 4, there is feeding mouth 10, the below of magnet drum 9 is provided with mine tailing mouth 11 and the concentrate mouth 13 that dividing plate 12 separates, the outer transmission side of dividing plate 12 is provided with a point ore deposit governor motion 8, thereby can regulate dividing plate 12 states and position to regulate recovery angle smart, mine tailing, to meet different material demand.
With reference to accompanying drawing 5, magnetic is 5 to be made up of interior roller tube 15 and permanent magnet 16, and permanent magnet 16 circularizes the multipole magnetic system of the N utmost point, S utmost point alternative arrangement along interior roller tube 15 outer surface arranged radiallys.The direction of magnetization along interior rotary drum radial to secondary magnetic pole 20 permanent magnet magnetization directions and main pole 19 direction of magnetizations of main pole 19 both sides have an angle, angle is 0 ° ~ 45 °, auxiliary magnetic pole 21 direction of magnetizations are vertical with main pole 19 direction of magnetizations, and the magnetic direction that auxiliary magnetic pole 21 produces at main pole 19 radial outer ends is consistent with main pole 19 radial outer end magnetic directions.Main pole quantity is the even number in 6 to 96,360 °, disk pack angle, between adjacent main pole 19, radial outer end polarity is contrary, the length direction of magnetic system is axially identical with magnetic separator, the interior roller tube 15 outside cross sections, footpath of magnet are installed are regular polygon or circular and be fixed on magnet drum axle 1, the limit number of regular polygon is identical with main pole 19 numbers.