Permanent magnetism dicyclo high gradient magnetic separator
Technical field
The invention belongs to the one of magnetic plant, for sorting and the working equipment of nonmetal deironing of weak magnetic mineral.
Background technology
In current magnetic separation industry, especially, at the vertical ring high-gradient that sorts major part and all adopt electromagnetism of weak magnetic mineral, the subject matter of this equipment is: 1) power consumption of equipment accounts for quite greatly 40% left and right of total power consumption; 2) will blocking medium box if feed preparation unit size is slightly larger; 3) also can blocking medium box if be mixed with strongly magnetic mineral in raw ore. Although also there is the high gradient magnetic separator of some permanent magnetism at present, but due to its structural shortcoming, strongly magnetic mineral in mineral will be adsorbed on ring or dish, be difficult to cleaning, cause medium in the process of rotation, to produce powerful resistance and make its damage, therefore want to avoid this type of event to occur frequently to remove the strongly magnetic mineral speckling with above. Therefore, the operating efficiency of above-mentioned mentioned equipment is all comparatively low, and working service is very difficult.
Summary of the invention
Problem to be solved by this invention is to provide a kind of novel high gradient magnetic separator, and it replaces electromagnetism with permanent magnetism, greatly reduces the energy consumption problem of ore dressing operation, and can blocking medium net at processing coarsegrain and mixed type mineral. Meanwhile, the present invention has promoted the applicability of the stability in use of equipment and the great fluctuation process to mineral granularity.
A kind of permanent magnetism dicyclo of the present invention high gradient magnetic separator, it comprises frame, be arranged on driving motor in frame, hollow spindle, upper and lower magnetic system, dicyclo separation system, concentrate unloads mineral water pipe, concentrate hopper, tail-box; Dicyclo separation system comprises interior ring, outer shroud, medium net, concentrate collecting ring; Hollow spindle is arranged in frame, and sprocket wheel empty set is on hollow spindle, be connected with the side of outer shroud, and sprocket wheel and driving motor are by chain drive; Upper magnetic system and lower magnetic system are all connected to frame, and outside dicyclo separation system; Interior ring is arranged on the inside of outer shroud, itself and outer shroud radially, left and right sides all leaves gap; In the radial clearance of medium net in interior ring and outer shroud, and be fixed on the outer ring surface of interior ring; Interior ring and outer shroud all by bearing holder (housing, cover) on hollow spindle, interior ring and outer shroud are rigidly connected between the two; Concentrate unloads mineral water pipe and stretches to from one end of hollow spindle a side of medium net peak; In unloading the opposite side gap of interior ring that mineral water pipe is relative and outer shroud with concentrate, be provided with concentrate collecting ring, concentrate collecting ring is fixed on the vertical pipeline section of hollow spindle; Concentrate hopper is arranged on below hollow spindle port, and tail-box is arranged on the outside that the close concentrate of outer shroud unloads mineral water pipe.
In the time of magnetic separator running of the present invention, thereby driving motor outputs power to outer shroud by chain driving-belt movable sprocket, owing to being rigidly connected with bolt between outer shroud and interior ring, inner and outer ring is turned round simultaneously, its medium Netcom crosses bolt and is connected on interior ring, and therefore, medium net and inner and outer ring three are turned round simultaneously, and inner and outer ring is connected by bearing with main shaft, therefore main shaft maintains static moving. when ore sorts, directly be given between outer shroud and interior ring by defeated pipe to ore deposit by hollow spindle side, the inner surface of strongly magnetic mineral and outer shroud contacts, the surface of weak magnetic mineral and medium net contacts, the externally-applied magnetic field induction that under the effect in magnetic field by upper and lower magnetic is can produce 2.5-3 induction high field intensity doubly, and that mineral are firmly adsorbed on to outer shroud/medium is online, in the time that outer shroud and medium net rotate to concentrate and unload the region of mineral water pipe water spray, (because mineral are now at the highest notch, additional field intensity disappears, upper and lower magnetic is to be half magnetic structure) unload at concentrate under the effect of high-velocity flow of mineral water pipe mouth of pipe ejection, mineral are washed in concentrate collecting ring. because concentrate collecting ring is connected with hollow spindle again, the concentrate of electing flows to concentrate hopper by hollow spindle, can not flowed to tail-box along the inner tube wall of outer shroud by the gangue coming on outer shroud and medium guipure simultaneously.
The advantage of magnetic separator of the present invention is: the induced field that 1, the present invention utilizes upper and lower magnetic system to form sorts mineral, compared with traditional electromagnetism high gradient, it has reduced the loss of electric energy widely, and safe coefficient, more original electromagnetism high gradient also has greatly and improves; 2, the present invention is because inner and outer ring rotates simultaneously, when feed, first strongly magnetic mineral contacts with the inner surface of outer shroud, because the effect meeting in magnetic field is adsorbed on strongly magnetic mineral on the inner tube wall of outer shroud firmly, will make so strong magnetic mineral minute quantity contact with medium net, greatly reduce the situation of strongly magnetic mineral blocking medium net. Along with strongly magnetic mineral is departed from by force external magnetic field (upper and lower magnetic is the magnetic field producing) by the rotation of outer shroud, strongly magnetic mineral unloads by coming with medium the region that mineral water pipe sprays, effect by current sweeps away mineral, this has just stopped the possibility in outer shroud internal surface area ore deposit, can not damage medium; 3, inner and outer ring and medium net together turn round, can reduce greatly like this relativity power between medium net and mineral, reduce the friction between medium net and mineral, the possibility that allows mineral stop up drops to minimum, reduce the loss of medium net, increased the service life of medium net; 4, because the loss of medium net reduces greatly, and be not easy to stop up, so operating efficiency of the present invention is high.
Therefore, the work magnetic source of magnetic separator of the present invention adopts permanent magnet, without consuming electric energy, can save energy and reduce the cost; Meanwhile, for the mineral of some mixed types sort the new scheme that offered; Meanwhile, magnetic separator of the present invention has promoted the stability in use of equipment and the applicability to mine-supplying quantity great fluctuation process.
Brief description of the drawings
Fig. 1 is the stereogram of permanent magnetism dicyclo high gradient magnetic separator of the present invention;
Fig. 2 is the cutaway view of permanent magnetism dicyclo high gradient magnetic separator of the present invention;
Fig. 3 is the left view of permanent magnetism dicyclo high gradient magnetic separator of the present invention;
Fig. 4 is the top view of permanent magnetism dicyclo high gradient magnetic separator of the present invention.
Detailed description of the invention
From accompanying drawing, a kind of permanent magnetism dicyclo of the present invention high gradient magnetic separator, it comprises frame 1, is arranged on the driving motor 15 in frame 1, hollow spindle 7, upper and lower magnetic is 6,2, dicyclo separation system, concentrate unloads mineral water pipe 10, concentrate hopper 11, tail-box 13; Dicyclo separation system comprises interior ring 5, outer shroud 3, medium net 9, concentrate collecting ring 8; Hollow spindle 7 is arranged in frame 1, sprocket wheel 16 empty sets on hollow spindle 7, be connected with the side of outer shroud 3, sprocket wheel 16 with driving motor 15 by chain drive; Upper magnetic is 6 to be 2 to be all connected to frame 1 with lower magnetic, and outside dicyclo separation system; Interior ring 5 is arranged on the inside of outer shroud 3, itself and outer shroud 3 radially, left and right sides all leaves gap; In the radial clearance of medium net 9 in interior ring 5 and outer shroud 3, and be fixed on the outer ring surface of interior ring 5; Interior ring 5 and outer shroud 3 all by bearing holder (housing, cover) on hollow spindle 7, interior ring 5 and outer shroud 3 are rigidly connected between the two; Concentrate unloads mineral water pipe 10 and stretches to from one end of hollow spindle 7 side of medium net 9 peaks; In unloading the opposite side gap of interior ring that mineral water pipe 10 is relative 5 and outer shroud 3 with concentrate, be provided with concentrate collecting ring 8, concentrate collecting ring 8 is fixed on the vertical pipeline section of hollow spindle 7; Concentrate hopper 11 is arranged on below hollow spindle 7 ports, and tail-box 13 is arranged on the outside that the close concentrate of outer shroud 3 unloads mineral water pipe 10. Wherein, upper magnetic be 6 and lower magnetic be 2 to be half magnetic structure. Wherein, main shaft 7 adopts tubular structure, not only can play the transfer function of axle, can also play the transmission of mineral, is with bolts between overall structure simplification medium net 9 and interior ring 3, makes medium net be more prone to change and maintenance.
As a kind of optimal way of the present invention, when upper and lower magnetic is 6,2 when the different outside at outer shroud 3, to be provided with sealing ring 4 on the lateral surface of the interior ring 5 on concentrate collecting ring 8 tops and the medial surface of outer shroud 3 from tail-box 13; Between sealing ring 4 and concentrate collecting ring 8, there is lateral clearance. When upper and lower magnetic is 6,2 and when the homonymy of tail-box 13 at outer shroud 3, only need to, at water-accepting board of arranged outside of the outer shroud 3 near concentrate collecting ring 8, water be discharged; And when upper and lower magnetic be 6,2 and when the not homonymy of tail-box 13 in outer shroud 3, fasten face in order to make water can not flow to magnetic along interior ring 5, therefore on the lateral surface of interior ring 5 on concentrate collecting ring 8 tops and the medial surface of outer shroud 3, be provided with sealing ring 4; Can not fasten face to magnetic along interior circulation because the effect of sealing ring 4 makes water like this, thereby protect magnetic system; Meanwhile, because sealing ring 4 can rotate along with the rotation of inner and outer ring 5,3, and concentrate collecting ring 8 can not rotate, and therefore between sealing ring 4 and concentrate collecting ring 8, has lateral clearance, and to ensure sealing ring 4 to rotate, concentrate collecting ring 8 does not rotate.
As another optimal way of the present invention, permanent magnetism dicyclo high gradient magnetic separator of the present invention also comprises that the first jack 12, the second jack 14, the first jack 12 and the second jack 14 are all fixed in frame; Upper magnetic is 6 to be connected with the first jack 12, and lower magnetic is 2 to be connected with the second jack 14. Going up magnetic and be 6 is 2 to be connected with frame 1 by pin on the one hand with lower magnetic, be 6 to be connected with the first jack 12 by bolt by upper magnetic again in addition, lower magnetic is 2 to be connected with the second jack 14, and the first jack 12 and the second jack 14 are rigidly connected with frame 1, adjust the stroke of jack by external hydraulic station and realize moving up and down of upper magnetic system and lower magnetic system, adjust the intensity of externally-applied magnetic field.
In the time of magnetic separator running of the present invention, thereby driving motor 15 outputs power to outer shroud 3 by chain driving-belt movable sprocket 16, owing to being rigidly connected with bolt between outer shroud 3 and interior ring 5, inner and outer ring is turned round simultaneously, its medium net 9 is bolted on interior ring 5, and therefore, medium net 9 turns round with inner and outer ring 5,3 threes simultaneously, and inner and outer ring is connected by bearing with main shaft 7, therefore main shaft 7 maintains static moving. when ore sorts, directly be given between outer shroud 3 and interior ring 5 by defeated pipe to ore deposit by hollow spindle 7 sides, the inner surface of strongly magnetic mineral and outer shroud 3 contacts, the surface of weak magnetic mineral and medium net 9 contacts, under the effect in magnetic field, be 6 by upper and lower magnetic, 2 externally-applied magnetic field induction can produce 2.5-3 induction high field intensity doubly, and that mineral are firmly adsorbed on to outer shroud/medium is online, in the time that outer shroud and medium net rotate to concentrate and unload the region of mineral water pipe water spray, (because mineral are now at the highest notch, additional field intensity disappears, upper and lower magnetic is to be half magnetic structure) unload at concentrate under the effect of high-velocity flow of mineral water pipe mouth of pipe ejection, mineral are washed in concentrate collecting ring. because concentrate collecting ring is connected with hollow spindle again, the concentrate of electing flows to concentrate hopper by hollow spindle, can not flowed to tail-box along the inner tube wall of outer shroud by the gangue coming on outer shroud and medium guipure simultaneously.
When ore sorts, directly be given to above the medium net 9 between outer shroud 3 and interior ring 5 by defeated pipe to ore deposit by hollow spindle 7 sides, under the effect in magnetic field, medium is 6 by upper and lower magnetic on the net, 2 externally-applied magnetic field induction can produce 2.5-3 induction high field intensity doubly, and that mineral are firmly adsorbed on to medium is online, in the time that medium net 9 rotates to concentrate and unloads the region that mineral water pipe 10 sprays water, (because mineral are now at the highest notch, additional field intensity disappears, upper and lower magnetic is to be half magnetic structure) unload at concentrate under the effect of high-velocity flow of mineral water pipe 10 mouths of pipe ejections, mineral are washed in concentrate collecting ring 8. because concentrate collecting ring 8 is connected with hollow spindle 7 again, the concentrate of electing flows to concentrate hopper 11 by hollow spindle 7, and the gangue of at this moment not brought up by medium net 9 can flow to tail-box 13 along the inner tube wall of outer shroud. in permanent magnet high gradient magnetic separator of the present invention because inner and outer ring 5,3 rotates simultaneously, when feed, first strongly magnetic mineral contacts with the inner surface of outer shroud 3, because the effect meeting in magnetic field is adsorbed on strongly magnetic mineral on the inner tube wall of outer shroud firmly, will make so strong magnetic mineral minute quantity contact the situation that has greatly reduced strongly magnetic mineral blocking medium net with medium net. along with strongly magnetic mineral is departed from by force external magnetic field (upper and lower magnetic is the magnetic field producing) by the rotation of outer shroud, strongly magnetic mineral unloads by coming with medium the region that mineral water pipe sprays, effect by current sweeps away mineral, and this has just stopped the possibility in outer shroud internal surface area ore deposit. if give total quantitative change in ore deposit large, the outer surface of interior ring plays a part same, the in the situation that therefore magnetic separator of the present invention being inhomogeneous in Shang Gei ore deposit, mine, also can work well, can meet certain fluctuation range to ore deposit, has increased greatly equipment adaptive capacity.