CN2212453Y - Magnetic separator for recovering deposit tailings - Google Patents

Abstract

The utility model discloses a magnetic separator for recovering depositional tailings, comprising an electric motor, a drive mechanism, a body case, a loading tank, a tailing tank, a concentrate tank, and a discharge port. The utility model is characterized in that a plurality of circular disks are crosswise installed on two parallel shafts in double rows; a plurality of permanent magnetic blocks are arranged on each circular disk; a plurality of stirring blocks are arranged around the circular disks; a rotating vane scraping plate is arranged above each circular disk; the upper part is provided with a feeding tank; the lower part is provided with a tailing slurry tank; the lower part of the scraping plate is provided a finished ore powder tank; arc-shaped supporting plates are arranged on the lower parts of the circular disks. The utility model can be used for recovering tailings in medium-sized and small-sized ore separating plants.

Description

Magnetic separator for recovering deposit tailings

The utility model belongs to magnetic dressing equipment, particularly is applicable to the magnetic separator of medium and small ore dressing plant processing recovery sedimentary tailing.

Iron ore is through coarse crushing, in small, broken bits, ore grinding, classification and sort etc. after the various technical process, has removed most of impurity and gangue, makes useful ferrous components enrichment, forms available fine ore.The useful metal of ore submember or other association, through further integrated treatment, also can obtain partially recycled, it is very low that remaining part contains useful composition, be called mine tailing, deposition is stored in the mine tailing storehouse, because technical merit and appointed condition restriction, the useful component that still contains some in the mine tailing wherein mainly is an Iron Ore Powder.

The patent No. is 91210832.8 " reclaiming useful ferromagnetism device in the mine tailing ", this patent adopts single-row disc type concentration equipment, between two dishes with a scraper plate scraper for rubber, laterally advance mine tailing slurry, the fine ore that laterally goes out to sort and go out to remain mine tailing, this patent exists weak point to be: 1, volume is big, output is little, and the general middle-size and small-size factory that selects needs several equipment, and investment is big, install and use troublesome maintenance, and the waste power supply; 2, around disk, do not stir piece, make the disk bottom deposit many materials, reduce the rate of recovery; 3, utilize a scraper plate scraper, serious wear increases the scraping gap, reduces scraping effect, and often changes scraper plate, waste fund and increase maintenance time; 4, the magnetic patch in disk is arranged as squarely, and magnetic field is even, and magnetic field intensity is lower; 5, the rotating speed of disk is one, and adaptive surface is narrow.

In view of the deficiency that prior art exists, it is little, simple in structure that the purpose of this utility model provides volume, and magnetic intensity is big, a kind of magnetic separator that is used to reclaim sedimentary tailing that the rate of recovery is high.

For achieving the above object, the utility model is realized by following scheme.Magnetic separator comprises hopper, discharging opening, casing, fine ore groove, mine tailing groove, transmission mechanism and variable speed electric motors, particularly, its design feature is to establish a plurality of disks that two rows intersect to install on two-parallel axis, axle by bearings on casing.Feed well is set up by propping up in casing top, a plurality of permanent magnets are established in fan-shaped distribution in disk, one row's rotation blade scraper plate is installed above every row's disk, establish the fine ore groove in blade scraper plate bottom, the mine tailing stock tank is located at the bottom as chassis base, camber mine tailing supporting plate is located in the mine tailing stock tank of circular magnetic disc bottom, and motor is connected by transmission mechanism with each.

The utility model also can further be realized by following measure.The blade scraper plate, can establish a plurality of scraper plates for every group, just insert between two disks, rotate and backward rotation scrapes in the concentrate hopper being adsorbed on disk side material in company with disk, have two blades at least in disk stitches during a flash in office, increase the scraper effect, around each disk, be provided with a plurality of stirring pieces, the feed liquid on two and half arcuate bottom can not be deposited, increase recovering effect.

The utility model compared with prior art has following advantage and effect;

1, organic efficiency height, owing to adopt double disk, inhomogeneous arrangement magnetic patch makes magnetic field intensity big, and contact ore pulp area is bigger tens times than drum type brake magnetic separator, improves 40% than single round disk, and the rate of recovery improves 3 times.

2, adopt double intersecting, compact conformation, cost is low, and production capacity is big, will improve 30% than the single-row magnetic separator of equal volume, improves tens times than drum type brake magnetic separator.

3, adopt a plurality of orbiting vane scraper methods, scraper is clean, has improved recovering effect, makes the grade of recovery can reach 38%; Applicable surface is extensive, not only is mainly used in the recovery of the sedimentary tailing in middle-size and small-size ore dressing plant, also can directly be linked to the back of the magnetic dressing process in ore dressing plant, increases the rate of recovery, also can be used for the large-scale factory that selects;

4, adopting variable speed electric motors, particularly is power, and it is arbitrarily adjustable that the circular magnetic disc revolution is divided into different in kind according to mine tailing, makes the high-energy source consumption of organic efficiency few.

5, the permanent magnet in the disk adopts fan-shaped arrangement equidistantly, makes the magnetic field intensity inequality strong, increases the magnetic recovery rate and increases about 18% than above-mentioned single magnetic disc type.

6, simple in structure, safe and reliable, the life-span is long, and is easy to maintenance.Thereby economic benefit, social benefit are all very big.As a medium-sized factory that selects, treating capacity is 2,000,000 tons/year, and head grade is 28-35%, obtaining concentrate grade is 65%, year produces a fine ore and is 700,000 and ram the loose soil with a stone-roller after sowing, and the mine tailing amount is 1,300,000 tons, tailings grade is 7%, wherein content is approximately 90,000 tons, and the magnetic components that it reclaims can reach 38%, obtains about 70,000 tons of qualified fine ore, by 200 yuan of/ton calculating of sale price, year can create 1,400 ten thousand yuan of the output values, national middle-size and small-size ore dressing plant several thousand families can create several hundred million yuan of the output values.

Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.

Fig. 1 is the overall construction drawing of the utility model magnetic separator, (vertical view)

Fig. 2 is the cutaway view of the utility model magnetic separator along Figure 1A-A

From Fig. 1, Fig. 2 as can be seen, this mine tailing reclaim magnetic separator mainly by two rows intersect circular magnetic disc (2), the two row's rotation scraper blades (1) installed, go up hopper (4), mine tailing stock tank (16), fine ore groove (7), variable speed electric motors, particularly (14), reduction box (15), transmission mechanism (8) (11) and form.On two parallel axes (13) (18), establish a plurality of circular magnetic disc that two row's intersections are installed, axle is located on the casing by bearing, establish hopper on (4) on disk top by support (5), be provided with a plurality of stirring pieces (3) around each disk, inhomogeneous fan-shaped array permanent magnet (6) in disk, in order to produce powerful magnetic field, disk is installed on the major axis (13) by long key (12), buncher (14) drives axle (18) by reduction box (15) and rotates, go up installation two row's rotation blade scraper plates (1) in every row's disk upper shaft (9), establish many group scraper plates on every row, establish 8 blades for every group, be provided with the fine ore groove more than the disc centre axle, half arc mine tailing supporting plate (17) is established in the disk bottom, and mine tailing stock tank (16) is located at the complete machine bottom as chassis base.Disc centre axle and blade scraper shaft (9)) be connected by chain (11).

During work, deposition is stored in the mine tailing slurry in mine tailing storehouse and squeezes in the feed well with slush pump, the top of the magnetic disk that the installation side by side of bleeding intersects, in the disk uneven fan-shaped array permanent magnet produce powerful non-uniform magnetic field, disk is installed on the major axis (13) (18), fixing by long key (12), because two row's rotating speed differences, can make the feed liquid mixed flow, and play stirring action, adjust motor by the reduction box transmission device, drive axle (13) (18) and disk and rotate (general revolution is 1-2rpm) feed liquid along the disk slit that intersects, be generally 40-50mm, fall into bottom two arc mine tailings supporting plate, the iron ore powder that has magnetic simultaneously just is attracted to the both sides of disk, and there is not the impurity of magnetic, gangues etc. flow in the tail-box with certain slope through arc mine tailing supporting plate with water, entering other mine tailing storehouse by outlet keeps in, in order to improve the rate of recovery, mine tailing is deposited on above the arc, in disk perimeter the stirring piece is installed, the fine ore that is adsorbed on the disk both sides is rotated scraper plate and scrapes in the fine ore groove that has certain slope, water pours in the concentrate store temporary again, every group of scraper plate is made up of eight scraper plates, its width equates with two disk slits just, through power transmission shaft (13) (18), drive chain (11), use key (10) fixed blade scraper plate on axle (9), scraper plate and disk direction of rotation, so just can produce continuously, the useful iron powder in the ore deposit is separated.

Claims (2)

1, a kind of magnetic separator that is used to reclaim sedimentary tailing, comprise motor, transmission mechanism, casing, concentrate hopper, tail-box, feed well, discharging opening, it is characterized in that: on two-parallel axis, establish a plurality of disks that two row's intersections are installed, the axle by bearings on casing, body upper is set up feed well by propping up, the a plurality of permanent magnets of fan-shaped distribution in disk, one row's rotation blade scraper plate is installed above every row's disk, the fine ore groove is established in blade scraper plate bottom, the mine tailing stock tank is located at the bottom as chassis base, arc mine tailing supporting plate is located in the mine tailing stock tank of circular magnetic disc bottom, and variable speed electric motors, particularly is connected by transmission mechanism with each.

2, magnetic separator according to claim 1 is characterized in that: said blade scraper plate, can establish a plurality of scraper plates for every group, and be provided with a plurality of stirring pieces around each disk.

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