CN204247370U - Nonmetallic ore deironing permanent-magnet concentration equipment - Google Patents

Nonmetallic ore deironing permanent-magnet concentration equipment Download PDF

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Publication number
CN204247370U
CN204247370U CN201420695389.1U CN201420695389U CN204247370U CN 204247370 U CN204247370 U CN 204247370U CN 201420695389 U CN201420695389 U CN 201420695389U CN 204247370 U CN204247370 U CN 204247370U
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China
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magnetic
permanent
magnet
cylinder
casing
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Expired - Fee Related
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CN201420695389.1U
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Chinese (zh)
Inventor
于岸洲
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Zhengzhou Institute of Multipurpose Utilization of Mineral Resources CAGS
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Zhengzhou Institute of Multipurpose Utilization of Mineral Resources CAGS
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Abstract

The utility model relates to magnetic ore separation equipment in a kind of nonmetallic mineral.A kind of nonmetallic ore deironing permanent-magnet concentration equipment, comprise the casing being provided with magnetic mineral gape bottom frame, open top and the cylinder be horizontally installed in casing, the bar shaped strong-magnetic-field permanent-magnet magnetic system coaxial with cylinder is fixedly installed by magnetic system fixed frame on described casing top, bar shaped strong-magnetic-field permanent-magnet magnetic system be arranged on cylinder side and and between cylinder formation stream turn passage, described cylinder end be connected with head roll rotate actuating unit.The capture ability of the utility model to magnetic mineral is strengthened greatly, and the rate of recovery index of magnetic mineral obtains effective guarantee, simultaneously material by time magnetic mineral can be made strongly to overturn, thus ensure that the removal efficiency of nonmagnetics is high.

Description

Nonmetallic ore deironing permanent-magnet concentration equipment
Technical field
The utility model relates to magnetic ore separation equipment in a kind of nonmetallic mineral, is specifically related to a kind of nonmetallic ore deironing permanent-magnet concentration equipment.
Background technology
In existing magnetic mineral triage techniques field, because the magnetic field intensity of single magnetic patch is often lower, the capture ability of magnetic field to magnetic mineral that N pole, magnetic patch both sides and S polar plane produce is poor, multiple magnetic patch often alternately to superpose with S pole by N pole thus carries out enhancing magnetic field intensity by conventional magnetic separation technology, as shown in Figure 1.The magnetic field intensity in the magnetic field that N pole, magnetic patch group both sides and S polar plane produce must be improved by effective, but the amplitude increased along with the increase magnetic field intensity of magnetic patch quantity reduces gradually, measure conventional ferrite magnetic patch (magnetic field intensity in the magnetic field that N pole, monolithic magnetic patch both sides and S polar plane produce is about about 700Gs) after deliberation when being superimposed to 7 pieces, magnetic field intensity reaches about maximum 1700Gs, when superposing magnetic patch again, magnetic field intensity substantially constant is constant, and accompanying drawing 2 is the conventional ferrite magnetic patch N polar plane central magnetic field intensity of test determination and the relation curve superposing magnetic patch quantity.Single field intensity is that field intensity also can only be brought up to about 7000Gs by superposition by the square magnetic patch of about 4500Gs, cannot meet the requirement of weak magnetic mineral sorting.
See Fig. 3, for existing magnetic plant, it all adopts magnetic architecture as described in Figure, and the change ceiling restriction of its magnetic field intensity lifting of equipment performance, cannot realize the lifting of the efficiency of separation, greatly constrain the improvement and bring new ideas of magnetic plant.
Utility model content
The purpose of this utility model is for above-mentioned Problems existing and deficiency, provides a kind of reasonable in design, is provided the nonmetallic ore deironing permanent-magnet concentration equipment of more high field intensity by new magnetic system arrangement.
For achieving the above object, the technical scheme taked is:
A kind of nonmetallic ore deironing permanent-magnet concentration equipment, comprise frame, the casing being provided with magnetic mineral gape bottom open top and the cylinder be horizontally installed in casing, the bar shaped strong-magnetic-field permanent-magnet magnetic system coaxial with cylinder is fixedly installed by magnetic system fixed frame on described casing top, m the permanent magnet block group that the limit continuous distributed that it is the regular polygon of M that described bar shaped strong-magnetic-field permanent-magnet magnetic system comprises along limit number is arranged, wherein m < M, described permanent magnet block group is N pole and the N pole of multiple permanent magnet block, S pole and S pole one by one relative gap arrange and compress the permanent magnet block group formed, the Guide canel α < 90 ° of this bar shaped strong-magnetic-field permanent-magnet magnetic system, bar shaped strong-magnetic-field permanent-magnet magnetic system be arranged on cylinder side and and between cylinder formation stream turn passage, feed port is provided with at the top of this bar shaped strong-magnetic-field permanent-magnet magnetic system, described bottom half is provided with the non magnetic ore gape corresponding with bar shaped strong-magnetic-field permanent-magnet magnetic system bottom, described cylinder end is connected with the actuating unit that head roll rotates.
The quantity of the permanent magnet block in described permanent magnet block group is 6-20.
Be provided with needle-like magnetic matrix described cylinder surface is uniform, between magnetic mineral gape and non magnetic ore gape, be provided with material adjustable plate.
The described left and right sides, casing top is equipped with magnetic system fixed frame, and bar shaped strong-magnetic-field permanent-magnet magnetic system is provided with in the magnetic system fixed frame of both sides, the rear ends on casing top is provided with baffle plate, magnetic system fixed frame and being between baffle plate and casing is tightly connected, in casing, magnetic system fixed frame and baffle plate, fill water, magnetic system fixed frame or the baffle plate edge at described feed port place offer overflow launder.
Adopt technique scheme, acquired beneficial effect is:
The utility model adopts new magnetic system arrangement mode, by to the new analysis and application extruding the change of magnetic field strength performance of magnetic system, make the permanent-magnet concentration equipment of the application in limited space, the magnetic patch of identical field intensity can produce stronger magnetic field intensity, efficiently solve the contradiction of the magnetic fields degree of depth (distance) and magnetic field intensity, namely while adding high-intensity magnetic field, the EFFECTIVE RANGE in magnetic field is constant, therefore greatly strengthen the capture ability of magnetic mineral, the rate of recovery index of magnetic mineral obtains effective guarantee.Simultaneously material by time magnetic mineral can be made strongly to overturn, thus ensure that the removal efficiency of nonmagnetics is high, whole efficiency is high, and more conventional magnetic plant can improve material treating capacity decades of times.
Accompanying drawing explanation
Fig. 1 is existing magnetic patch superposition magnetic field magnetic line distribution schematic diagram.
Fig. 2 is magnetic patch central magnetic field intensity in Fig. 1 and the relation curve superposing magnetic patch quantity.
Fig. 3 is the structural representation of the conventional barrel of magnetic separator of existing superposition magnetic system.
Fig. 4 is the structural representation of permanent magnet block group of the present utility model.
Fig. 5 is permanent magnet block of the present utility model magnetic poly-band distributed architecture schematic diagram on the face of cylinder.
Fig. 6 is the structural representation of bar shaped strong-magnetic-field permanent-magnet magnetic system of the present utility model.
Fig. 7 is one of structural representation of integral device of the present utility model.
Fig. 8 is the structural representation two of integral device of the present utility model.
Sequence number in figure: 1 be magnetic patch, 2 for frame, 3 for casing, 4 for roller, 5 for magnetic system fixed frame, 6 for material circulation passage, 7 for feed port, 8 for non magnetic ore gape, 9 for magnetic mineral gape, 10 for needle-like magnetic matrix, 11 for material adjustable plate, 12 for permanent magnet block group, 13 be overflow launder.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.
Embodiment one: see Fig. 4-Fig. 7, a kind of nonmetallic ore deironing of the utility model permanent-magnet concentration equipment, it is dry-type separation equipment, comprise frame 2, the casing 3 being provided with magnetic mineral gape 9 bottom open top and the roller 4 be horizontally installed in casing 3, the bar shaped strong-magnetic-field permanent-magnet magnetic system coaxial with roller 4 is fixedly installed by magnetic system fixed frame 5 on described casing 3 top, described roller 4 end is connected with the actuating unit that driving roller 4 rotates, m the permanent magnet block group 12 that the limit continuous distributed that it is the regular polygon of M that described bar shaped strong-magnetic-field permanent-magnet magnetic system comprises along limit number is arranged, wherein m < M, described permanent magnet block group 12 is N pole and the N pole of 6-20 permanent magnet block 1, S pole and S pole one by one relative gap arrange and compress the permanent magnet block group formed, bar shaped strong-magnetic-field permanent-magnet magnetic system be arranged on cylinder side and and between roller formation stream turn passage, the Guide canel α < 90 ° of this bar shaped strong-magnetic-field permanent-magnet magnetic system, feed port 7 is offered at the top of this bar shaped strong-magnetic-field permanent-magnet magnetic system, the non magnetic ore gape 8 corresponding with bar shaped strong-magnetic-field permanent-magnet magnetic system bottom is provided with bottom described casing 3.
Be provided with needle-like magnetic matrix 10 described roller 4 surface is uniform, be provided with material adjustable plate 11 between magnetic mineral gape 9 and non magnetic ore gape 8, by the needle-like magnetic matrix 10 be arranged on roller 4, the bar shaped magnetic field of bar shaped strong-magnetic-field permanent-magnet magnetic system be transformed into the higher N pole of magnetic field intensity and S pole and replace the magnetic accumulation changed.
Operation principle of the present utility model is: arrange needle-like magnetic matrix at the cylinder surface rotated, along with the rotation of magnetic matrix cylinder, when needle-like magnetic matrix approach is extruded within the scope of the bar shaped strong magnetic field action of magnetic system, magnetic field near magnetic matrix obtains very big must reinforcement, magnetic mineral is under the effect of magnetic force, move near the magnetic matrix that magnetic field is stronger, and non magnetic ore is surperficial away from magnetic matrix cylinder gradually rotate the centrifugal action produced at magnetic matrix cylinder under; In magnetic matrix cylinder rotary course, the magnetic mineral of reuniting near magnetic matrix in N pole, S pole under replacing dense arrangement bar shaped strong magnetic field action strong upset reunite again, the nonmagnetics be mingled with is dished out, be pulled out away from the magnetic mineral be mingled with in the non magnetic ore on magnetic matrix cylinder surface simultaneously, finally separate from non magnetic ore under the repeatedly effect of many group plane extruding magnetic systems magnetic group.Under the comprehensive function in centrifugal force field and magnetic field, non magnetic ore and magnetic mineral successfully realize layering, and non magnetic ore enters the nonmagnetics ore storage bin in outside, and Magnetic Materials falls under gravity into Magnetic Materials ore storage bin when magnetic matrix departs from magnetic fields scope.
Comparing of its effect that can reach with conventional magnetic plant: the design of the magnetic architecture of the application, when it is applied to nonmetallic ore sorting deironing, workspace field intensity is greatly improved, reach as high as 2-3 times that 2T(is routine techniques), obviously strengthen the capture ability of weak magnetism mineral, therefore the efficiency of deironing is higher; Suppose that magnetic matrix barrel dliameter is R (unit: mm) to radius, length is L (unit: mm), thickness of feed layer is B (unit: mm), and rotating speed is W (unit: r/min), and the dry mineral density of nonmetallic ore is ρ (unit: g/cm 3), then adopt the device processes amount of the application to be:
60 × ρ П [(R+B) 2-R 2] LW × 10 -9ton/hour.
Calculate with conventional drum magnetic separator Φ 1500 × 4500, when thickness of feed layer is 2mm, the dry mineral density of nonmetallic ore is 2.5 g/cm 3, when drum speed is 20r/min, the device processes amount calculated is: 127.3 tons/hour.And at present the treating capacity of nonmetallic ore deironing dry separation intensity magnetic separator is the highest is no more than 10 tons/hour, mostly 2-4 ton/hour.
The increase of the present invention to significantly lifting and the equipment separate unit treating capacity decades of times of magnetic field intensity is the significant technology innovation to current nonmetallic ore dry separation iron removal technology.
The design of magnetic architecture of the present utility model, it is equally applicable to the sorting enrichment of fine fraction chromium depleted zone, workspace field intensity is greatly improved, adopt conventional ferrite magnetic block combination, magnetic system field intensity is the highest can reach 4000Gs for it, efficiently solve the contradiction of the magnetic fields degree of depth (distance) and magnetic field intensity, namely while adding high-intensity magnetic field, the EFFECTIVE RANGE in magnetic field is constant, therefore greatly strengthen the capture ability of magnetic mineral, the rate of recovery index of iron mineral obtains effective guarantee.
Embodiment two: see Fig. 4-Fig. 6, Fig. 8, the structure of the present embodiment is substantially identical with embodiment one, something in common no longer repeats, its difference is: it is applicable to wet magnetic separation equipment, the described left and right sides, casing 3 top is equipped with magnetic system fixed frame 5, and bar shaped strong-magnetic-field permanent-magnet magnetic system is provided with in the magnetic system fixed frame 5 of both sides, the rear ends on casing 3 top is provided with baffle plate, magnetic system fixed frame 5 and being between baffle plate and casing 3 is tightly connected, at casing 3, water is filled in magnetic system fixed frame 5 and baffle plate, magnetic system fixed frame 5 or the baffle plate edge at described feed port 7 place offer overflow launder 13.
A large amount of sludges is there is in the application in fine fraction magnetic iron ore assorting room, great adverse effect problem is produced to sorting, adopt rotating media cylinder to produce in the present invention and strongly overturn perturbation action, desliming efficiency is higher, the sludge part removed is discharged by equipment lower left quarter non magnetic ore gape, and a part is discharged by the fine fraction sludge spoil disposal overflow launder that its upper side is ad hoc.

Claims (4)

1. a nonmetallic ore deironing permanent-magnet concentration equipment, it is characterized in that, comprise frame, the casing being provided with magnetic mineral gape bottom open top and the cylinder be horizontally installed in casing, the bar shaped strong-magnetic-field permanent-magnet magnetic system coaxial with cylinder is fixedly installed by magnetic system fixed frame on described casing top, m the permanent magnet block group that the limit continuous distributed that it is the regular polygon of M that described bar shaped strong-magnetic-field permanent-magnet magnetic system comprises along limit number is arranged, wherein m < M, described permanent magnet block group is N pole and the N pole of multiple permanent magnet block, S pole and S pole one by one relative gap arrange and compress the permanent magnet block group formed, the Guide canel α < 90 ° of this bar shaped strong-magnetic-field permanent-magnet magnetic system, bar shaped strong-magnetic-field permanent-magnet magnetic system be arranged on cylinder side and and between cylinder formation stream turn passage, feed port is provided with at the top of this bar shaped strong-magnetic-field permanent-magnet magnetic system, described bottom half is provided with the non magnetic ore gape corresponding with bar shaped strong-magnetic-field permanent-magnet magnetic system bottom, described cylinder end is connected with the actuating unit that head roll rotates.
2. nonmetallic ore deironing permanent-magnet concentration equipment according to claim 1, is characterized in that, the quantity of the permanent magnet block in described permanent magnet block group is 6-20.
3. nonmetallic ore deironing permanent-magnet concentration equipment according to claim 1, is characterized in that, is provided with needle-like magnetic matrix described cylinder surface is uniform, is provided with material adjustable plate between magnetic mineral gape and non magnetic ore gape.
4. nonmetallic ore deironing permanent-magnet concentration equipment according to claim 1, it is characterized in that, the described left and right sides, casing top is equipped with magnetic system fixed frame, and bar shaped strong-magnetic-field permanent-magnet magnetic system is provided with in the magnetic system fixed frame of both sides, the rear ends on casing top is provided with baffle plate, magnetic system fixed frame and being between baffle plate and casing is tightly connected, and in casing, magnetic system fixed frame and baffle plate, fill water, magnetic system fixed frame or the baffle plate edge at described feed port place offer overflow launder.
CN201420695389.1U 2014-11-19 2014-11-19 Nonmetallic ore deironing permanent-magnet concentration equipment Expired - Fee Related CN204247370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201420695389.1U CN204247370U (en) 2014-11-19 2014-11-19 Nonmetallic ore deironing permanent-magnet concentration equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109550591A (en) * 2018-12-03 2019-04-02 贵阳学院 A kind of dry method variable diameter multiple roll cylinder closure magnetic system echelon permanent magnet high gradient magnetic separator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109550591A (en) * 2018-12-03 2019-04-02 贵阳学院 A kind of dry method variable diameter multiple roll cylinder closure magnetic system echelon permanent magnet high gradient magnetic separator
CN109550591B (en) * 2018-12-03 2020-09-22 贵阳学院 Dry-method reducing multi-roller closed magnetic system gradient permanent-magnet high-gradient magnetic separator

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150408

Termination date: 20161119

CF01 Termination of patent right due to non-payment of annual fee