CN103846155B - Permanent-magnet concentration post - Google Patents
Permanent-magnet concentration post Download PDFInfo
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- CN103846155B CN103846155B CN201410015771.8A CN201410015771A CN103846155B CN 103846155 B CN103846155 B CN 103846155B CN 201410015771 A CN201410015771 A CN 201410015771A CN 103846155 B CN103846155 B CN 103846155B
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Abstract
The present invention relates to a kind of permanent-magnet concentration post, it includes outer cylinder body, spill box and concentrate bucket, the top of outer cylinder body is through the middle part of spill box diapire, mine tailing mouth is offered on the diapire of spill box, offering the concentrate small opening for connecting concentrate bucket on the diapire of outer cylinder body, the bottom of concentrate bucket offers concentrate outlet；Being installed with central shaft in outer cylinder body, the bottom fixed cover of central shaft, equipped with permanent magnetic system, central shaft is rotatablely equipped with and is set in inner barrel outside and by motor-driven rotating cylinder；The bottom of outer cylinder body is set with annular water tank, and on the barrel of outer cylinder body, spacer ring is provided with multiple interior flush port connected with water tank；The middle and lower part of outer cylinder body is set with annular and enters ore deposit case, on the barrel of outer cylinder body spacer ring be provided with multiple with enter the interior iron ore feeding hole that ore deposit case connects.The present invention has simple in construction, stable and reliable operation, water consumption is little and runs the advantage that tail is few.
Description
Technical field
The present invention relates to column magnetic separator field, a kind of permanent-magnet concentration post.
Background technology
In iron powder, the silicon of doping and other nonmetallic mineral impurity can affect the taste of iron powder, in low-intensity magnetic field, the phenomenon of magnetic coagulation is there is according to thin iron powder, magnetic accumulating machine is occurred in that in the early time on market, to certain effect of having upgrade, but its water consumption is big, and efficiency is low, additionally, limited by working condition, its unstable working condition, seldom applied.The at present conventional equipment improving Iron concentrate taste is electromagnetism column magnetic separator, and it belongs to a kind of electromagnetism low-intensity magnetic field magnetic gravity concentrator, and magnetic force is main, and gravity is auxiliary, is widely used because it has range is wide and magnetic separation is effective advantage.In actual production, existing electromagnetism column magnetic separator there is also following shortcoming: 1) due to structure and the defect of design principle, and its water consumption is big and to run tail many, and resource and energy waste are serious；Volume is big, is not easy to installation etc.；2) owing to using electric magnet as magnetic force generating unit, the electric component of needs is many, controls complexity, apparatus failure, fluctuation of service easily occur.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in construction, stable and reliable operation, water consumption is little and runs the permanent-magnet concentration post that tail is few.
For solving above-mentioned technical problem, the permanent-magnet concentration post of the present invention includes the uncovered outer cylinder body in top, is arranged on the spill box at outer cylinder body top and is arranged on the concentrate bucket bottom outer cylinder body, it is structurally characterized in that the middle part through spill box diapire, the top of described outer cylinder body, mine tailing mouth is offered on the diapire of spill box, the concentrate small opening for connecting concentrate bucket is offered on the diapire of outer cylinder body, the bottom of concentrate bucket offers concentrate outlet, and concentrate outlet is provided with concentrate valve；The top being installed with central shaft and this central shaft extended along wherein axis direction in described outer cylinder body is fixed on the roof of spill box, the bottom fixed cover of central shaft, equipped with permanent magnetic system, central shaft is rotatablely equipped with and is set in permanent magnetic system outside and by motor-driven rotating cylinder；The bottom of described outer cylinder body is set with annular water tank, and water tank offers outer flush port, and on the barrel of outer cylinder body, spacer ring is provided with multiple interior flush port connected with water tank；The middle and lower part of described outer cylinder body is set with annular and enters ore deposit case, enters and offers outer iron ore feeding hole on the case of ore deposit, on the barrel of outer cylinder body spacer ring be provided with multiple with enter the interior iron ore feeding hole that ore deposit case connects.
Using said structure, form sorting chamber between rotating cylinder and outer cylinder body, permanent magnetic system forms low-intensity magnetic field district in sorting chamber, and ore pulp is entered into ore deposit case by outer iron ore feeding hole, then iron ore feeding hole enters sorting chamber in each.Pressure washing water enters water tank by outer flush port, in each, flush port enters sorting chamber again, ore pulp is broken up, improve ore pulp dispersibility, flushing water and ore pulp all can form eddy flow in sorting chamber, concentrate valve bottom regulation concentrate bucket, the ore pulp broken up with water flow rotary and flows axially upward, magnetic powder is magnetized and adsorbs the surface at rotating cylinder, rotating cylinder rotates under the drive of motor, magnetic powder follows drum rotation, under magnetic force and gravity act on jointly, magnetic powder is along drum surface slide downward, and final coming off with rotating cylinder without magnetic region in rotating cylinder bottom, concentrate bucket is leak into by concentrate small opening.During ore pulp glides, rinsing current and eluriate out by the non-magnetic impurity being mingled with, non-magnetic impurity is with on current direction, and the top end opening through outer cylinder body enters spill box, discharges via mine tailing mouth the most again.Simultaneously, thinner magnetic powder is less due to suffered magnetic force, when moving up in sorting chamber, magnetic is occurred to gather by magnetic field magnetization, form relatively agglomerate, adsorb in drum surface downward landing of rolling, rinse current and it is eluriated, the non-magnetic particle last person being mingled with, obtained by elutriation of repeatedly rolling, high-grade Iron concentrate is also slipped in concentrate bucket along the cylinder of rotating cylinder.Visible, this equipment is with magnetic separator and the effect of magnetic accumulating machine, and through repeatedly eluriating, the filtration result of non-magnetic impurity is obvious, and water consumption is little and race tail is few, and overall structure is simple, stable and reliable operation.
Described permanent magnetic system includes inner barrel and the storied placement polylith permanent magnet in inner barrel cylinder border being fixedly set on central shaft, and wherein, yoke in inner barrel i.e. magnetic system, its material is mild steel.Every layer of each permanent magnet all included on polylith permanent magnet and every layer is annularly-distributed along the cylinder circumferential interval of inner barrel, the polarity unification of each permanent magnet on same layer is towards interior or towards outward, and the polarity of adjacent layer permanent magnet is staggered towards each piece of permanent magnet on contrary and adjacent layer.
Permanent magnetic system utilizes permanent magnet to be formed, it is not necessary to electrical equipment control, has simple in construction, the advantage of stable and reliable operation.Use above-mentioned permanent magnetic system, the opposite polarity of the magnetic field intensity on adjacent layer, after ferrous powder granules is magnetized on the polarity magnetic region of ground floor, blank magnetic region with drum rotation to ground floor, owing to blank magnetic region does not have absorption affinity, therefore this granule is slipped to the magnetic region on the second layer with opposite polarity under gravity, and granule occurs upset beat and carried out reverse polarization by the magnetic region on the second layer, ... the like, until ferrous powder granules is via the blank magnetic region landing of the bottom.The advantage of this kind of magnetic system is: coordinate the rotation of rotating cylinder, magnetic-particle rolling vertically under magnetic force and action of gravity moves down, and granule carries out upset when beating, and the non-magnetic impurity that it adsorbs can be shaken off, washing away under elutriation effect at flushing water, the effect that filters of impurity becomes apparent from.
The diapire of described spill box is obliquely installed, and described mine tailing mouth is opened in the relative low side of spill box diapire.Use the spill box diapire that this kind is obliquely installed so that impurity, under gravity along the wall surface landing tilted, more contributes to impurity and discharges.
The top of described rotating cylinder is connected with turning set dress pivoted housing on center shaft, this pivoted housing passes outer cylinder body and extends upwardly near the cut-off of the position of spill box roof, and described motor is arranged on spill box and the power output shaft of motor is connected with the top power of pivoted housing by power drive mechanism.
Described power drive mechanism includes being arranged on the driven pulley on pivoted housing top, the drive pulley being arranged on motor power output shaft and connecting the belt between drive pulley and driven pulley；Described motor is arranged on the outer side box wall of spill box, the tank wall of spill box offers the belt passed for above-mentioned belt and installs mouth.Use bel-drivenn form, simple in construction, reliable transmission, it is achieved convenient.
It is horizontally set with in described spill box on a dividing plate and this dividing plate and offers the bulkhead through-hole passed for pivoted housing.Dividing plate is set for being isolated with ore pulp liquid by the power-transmitting part on spill box top, it is to avoid affect power transmission.
Offer dividing plate observation window on described dividing plate, position corresponding with directly over dividing plate observation window on the roof of spill box offers spill box observation window.Through dividing plate observation window and spill box observation window, the flooded conditions in spill box can be observed, convenient to inflow, enter ore deposit amount and concentrate output is controlled.
In described interior iron ore feeding hole and interior flush port are tangential entry and utilize each, iron ore feeding hole and interior flush port form ore pulp eddy flow and bath eddy flow in outer cylinder body respectively, above-mentioned two eddy flows oppositely oriented.Use the mode of this kind of tangential entry so that flushing water and ore pulp, all tangentially into sorting chamber, form ore pulp eddy flow and bath eddy flow, and two eddy flows are oppositely oriented makes two strands of eddy flows liquidate, advantageously in being broken up by ore pulp, it is ensured that impurity can fully be filtered.
In sum, the present invention has simple in construction, stable and reliable operation, water consumption is little and runs the advantage that tail is few.
Accompanying drawing explanation
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view in A-A direction in Fig. 1；
Fig. 3 is the sectional view in B-B direction in Fig. 1；
Fig. 4 is that in the present invention, the magnetic system on inner barrel cylinder launches enlarged drawing.
Detailed description of the invention
Referring to the drawings, the permanent-magnet concentration post of the present invention includes the uncovered outer cylinder body 1 in top, is arranged on the spill box 2 at outer cylinder body 1 top and is arranged on the concentrate bucket 3 bottom outer cylinder body 1, the top of outer cylinder body 1, through the middle part of spill box 2 diapire, the diapire of spill box 2 offers mine tailing mouth 4.Wherein, impurity is discharged for convenience, and the diapire of spill box 2 is obliquely installed, and mine tailing mouth 4 is opened in the relative low side of spill box 2 diapire.Offering the concentrate small opening 5 for connecting concentrate bucket 3 on the diapire of outer cylinder body 1, the bottom of concentrate bucket 3 offers concentrate outlet 6, and concentrate outlet 6 is provided with concentrate valve 26.The top being installed with central shaft 7 and this central shaft 7 extended along wherein axis direction in outer cylinder body 1 is fixed on the roof of spill box 2, the bottom fixed cover of central shaft 7, equipped with permanent magnetic system, central shaft 7 is rotatablely equipped with and is set in the rotating cylinder 10 that permanent magnetic system is outside and is driven by motor 9.The bottom of outer cylinder body 1 is set with annular water tank 11, and water tank 11 offers outer flush port 12, and on the barrel of outer cylinder body 1, spacer ring is provided with multiple interior flush port 13 connected with water tank 11.The middle and lower part of outer cylinder body 1 is set with annular and enters ore deposit case 14, enters and offers outer iron ore feeding hole 15 on ore deposit case 14, on the barrel of outer cylinder body 1 spacer ring be provided with multiple with enter the interior iron ore feeding hole 16 that ore deposit case 14 connects.
In said structure, forming sorting chamber between rotating cylinder 10 and outer cylinder body 1, permanent magnetic system forms low-intensity magnetic field district in sorting chamber, and ore pulp is entered into ore deposit case 14 by outer iron ore feeding hole 15, then iron ore feeding hole 16 enters sorting chamber in each.Pressure washing water enters water tank 11 by outer flush port 12, in each, flush port 13 enters sorting chamber again, flushing water and ore pulp all can form eddy flow in sorting chamber, adjust concentrate valve 26 bottom concentrate bucket 3, ore pulp is broken up by the flushing water with certain pressure, the ore pulp broken up with water flow rotary and flows axially upward, magnetic powder is magnetized and adsorbs on the surface of rotating cylinder 10, rotating cylinder 10 rotates under the drive of motor 9, magnetic powder is followed rotating cylinder 10 and is rotated, under gravity, magnetic powder is along rotating cylinder 10 surface slide downward, and final coming off with rotating cylinder without magnetic region in rotating cylinder 10 bottom, concentrate bucket 3 is leak into by concentrate small opening 5.During ore pulp glides, rinsing current and eluriate out by the non-magnetic impurity being mingled with, non-magnetic impurity is with on current direction, and the top end opening through outer cylinder body 1 enters spill box 2, discharges via mine tailing mouth 4 the most again.Simultaneously, thinner magnetic powder is less due to suffered magnetic force, when moving up in sorting chamber, magnetic is occurred to gather by magnetic field magnetization, form relatively agglomerate, adsorb in the surface of rotating cylinder 10 downward landing of rolling, rinse current and it is eluriated, the non-magnetic particle last person being mingled with, obtained by elutriation of repeatedly rolling, high-grade Iron concentrate is also slipped in concentrate bucket 3 along the cylinder of rotating cylinder 10.
Referring to the drawings, the permanent magnetic system of the present invention includes inner barrel 8 and the storied placement polylith permanent magnet 17 in inner barrel 8 cylinder border being fixedly set on central shaft 7.Wherein, yoke in inner barrel 8 namely magnetic system, its material is mild steel.Every layer of each permanent magnet 17 all included on polylith permanent magnet 17 and every layer is annularly-distributed along the cylinder circumferential interval of inner barrel 8, the polarity unification of each permanent magnet 17 on same layer is towards interior or towards outward, and the polarity of adjacent layer permanent magnet 17 is staggered towards each piece of permanent magnet 17 on contrary and adjacent layer.Wherein, so-called polarity unification towards interior or towards outward, refer to permanent magnet 17 or N on the same layer extremely outwards, S extremely inside, or S extremely outwards, N extremely inside, the magnetic line of force that each layer is formed is the most outwardly or inwardly.Above-mentioned permanent magnetic system utilizes permanent magnet 17 to be formed, it is not necessary to electrical equipment control, the advantage with simple in construction, stable and reliable operation.In above-mentioned permanent magnetic system, the opposite polarity of the magnetic field intensity on adjacent layer, after ferrous powder granules is polarized on the polarity magnetic region of ground floor, the blank magnetic region of ground floor is turned to rotating cylinder 10, owing to blank magnetic region does not have absorption affinity, therefore this granule is slipped to the magnetic region on the second layer with opposite polarity under gravity, and granule occurs upset beat and carried out reverse polarization by the magnetic region on the second layer, ... the like, until ferrous powder granules is via the blank magnetic region landing of the bottom.As shown in Figure 4, in magnetic system expanded view, what polarity magnetic region 172, N polarity magnetic region 171 and S was alternately distributed on each layer, each layer between polarity magnetic region is spaced apart blank magnetic region 170.The direction of arrow in figure illustrates the fall trajectory of some of which ferrous powder granules.Due to the opposite polarity of magnetic region between adjacent layer, such as, after ferrous powder granules is magnetized by S polarity magnetic region, fall into the N polarity magnetic region of next layer immediately, carry out reverse polarization, during reverse polarization, granule generation upset is beated, and now, the non-magnetic impurity that granule adheres to can be shaken off, washing away under elutriation effect at flushing water, the effect that filters of impurity becomes apparent from.
Referring to the drawings, for the connection between inner barrel 8 and central shaft 7, the cylinder circumferential interval of central shaft 7 is equipped with many non-magnetic gripper shoes 25, and gripper shoe 25 is affixed with the inwall of inner barrel 8.Arrange to be applicable to above-mentioned magnetic system, inner barrel 8 be preferably shaped to polygon prism shape, each piece of permanent magnet 17 is arranged on the faceted pebble of polygon prism.Further, since the permanent magnet 17 on every layer needs interval to arrange, therefore, the rib number of polygon prism is even number.The shape being shaped as eight prisms of inner barrel 8 as shown in Figure 2, as shown in Figure 1 and Figure 4, magnetic system is divided into into eleventh floor.
Referring to the drawings, the top of rotating cylinder 10 is connected with the pivoted housing 18 that a turning set is contained on central shaft 7, this pivoted housing 18 passes outer cylinder body 1 and extends upwardly near the cut-off of the position of spill box 2 roof, and motor 9 is arranged on spill box 2 and the power output shaft of motor 9 is connected with the top power of pivoted housing 18 by power drive mechanism.
Referring to the drawings, power drive mechanism includes being arranged on the driven pulley 19 on pivoted housing 18 top, the drive pulley 20 being arranged on motor 9 power output shaft and connecting the belt 21 between drive pulley 20 and driven pulley 19；Motor 9 is arranged on the outer side box wall of spill box 2, the tank wall of spill box 2 offers the belt passed for above-mentioned belt 21 and installs mouth 22.In the present invention, the preferred kind of drive is belt transmission, certainly, according to actual needs, it is possible to use the various conventional gear mode such as gear or change speed gear box.
Referring to the drawings, it is horizontally set with in spill box 2 on a dividing plate 23 and this dividing plate 23 and offers the bulkhead through-hole 24 passed for pivoted housing 18.Dividing plate 23 is for by the power-transmitting part on spill box 2 top and the isolation of bottom ore pulp liquid, it is to avoid affect power transmission.Wherein, dividing plate 23 offers dividing plate observation window 27, position corresponding with directly over dividing plate observation window 27 on the roof of spill box 2 offers spill box observation window 28.Through dividing plate observation window 27 and spill box observation window 28, the flooded conditions in spill box 2 can be observed, convenient to inflow, enter ore deposit amount and concentrate output is controlled.
Referring to the drawings, in interior iron ore feeding hole 16 and interior flush port 13 are tangential entry and utilize each, iron ore feeding hole 16 and interior flush port 13 form ore pulp eddy flow and bath eddy flow in outer cylinder body 1 respectively, above-mentioned two eddy flows oppositely oriented.Two eddy flows are oppositely oriented makes two strands of eddy flows liquidate, advantageously in being broken up by ore pulp, it is ensured that impurity can fully be filtered.
In sum, the invention is not restricted to above-mentioned detailed description of the invention.Those skilled in the art, under the premise without departing from the spirit and scope of the present invention, can do some changes and modification.Protection scope of the present invention should be as the criterion with the claim of the present invention.
Claims (6)
1. a permanent-magnet concentration post, the spill box (2) including the uncovered outer cylinder body (1) in top, being arranged on outer cylinder body (1) top and the concentrate bucket (3) being arranged on outer cylinder body (1) bottom, it is characterized in that the middle part through spill box (2) diapire, the top of described outer cylinder body (1), mine tailing mouth (4) is offered on the diapire of spill box (2), the concentrate small opening (5) for connecting concentrate bucket (3) is offered on the diapire of outer cylinder body (1), the bottom of concentrate bucket (3) offers concentrate outlet (6), and concentrate outlet (6) is provided with concentrate valve (26)；The top being installed with central shaft (7) and this central shaft (7) extended along wherein axis direction in described outer cylinder body (1) is fixed on the roof of spill box (2), the bottom fixed cover of central shaft (7), equipped with permanent magnetic system, central shaft (7) is rotatablely equipped with and is set in the rotating cylinder (10) that permanent magnetic system is outside and is driven by motor (9)；The bottom of described outer cylinder body (1) is set with annular water tank (11), and water tank (11) offers outer flush port (12), and on the barrel of outer cylinder body (1), spacer ring is provided with multiple interior flush port (13) connected with water tank (11)；The middle and lower part of described outer cylinder body (1) is set with annular and enters ore deposit case (14), enters and offers outer iron ore feeding hole (15) on ore deposit case (14), on the barrel of outer cylinder body (1) spacer ring be provided with multiple with enter the interior iron ore feeding hole (16) that ore deposit case (14) connects；Described permanent magnetic system includes inner barrel (8) and the storied placement polylith permanent magnet (17) in inner barrel (8) cylinder border being fixedly set on central shaft (7), every layer of each permanent magnet (17) all included on polylith permanent magnet (17) and every layer is annularly-distributed along the cylinder circumferential interval of inner barrel (8), the polarity unification of each permanent magnet (17) on same layer is towards interior or towards outward, and the polarity of adjacent layer permanent magnet (17) is staggered towards each piece of permanent magnet (17) on contrary and adjacent layer；In described interior iron ore feeding hole (16) and interior flush port (13) are tangential entry and utilize each, iron ore feeding hole (16) and interior flush port (13) form ore pulp eddy flow and bath eddy flow in outer cylinder body (1) respectively, above-mentioned two eddy flows oppositely oriented.
2. permanent-magnet concentration post as claimed in claim 1, is characterized in that the diapire of described spill box (2) is obliquely installed, and described mine tailing mouth (4) is opened in the relative low side of spill box (2) diapire.
3. permanent-magnet concentration post as claimed in claim 1, it is characterized in that the top of described rotating cylinder (10) is connected with the pivoted housing (18) that a turning set is contained on central shaft (7), this pivoted housing (18) passes outer cylinder body (1) and extends upwardly near the cut-off of the position of spill box (2) roof, and described motor (9) is arranged on upper and motor (9) the power output shaft of spill box (2) and is connected with the top power of pivoted housing (18) by power drive mechanism.
4. permanent-magnet concentration post as claimed in claim 3, is characterized in that the belt (21) between driven pulley (19), the drive pulley (20) being arranged on motor (9) power output shaft and connection drive pulley (20) and the driven pulley (19) that described power drive mechanism includes being arranged on pivoted housing (18) top；Described motor (9) is arranged on the outer side box wall of spill box (2), the tank wall of spill box (2) offers the belt passed for above-mentioned belt (21) and installs mouth (22).
5. permanent-magnet concentration post as claimed in claim 4, is horizontally set with in it is characterized in that described spill box (2) on a dividing plate (23) and this dividing plate (23) and offers the bulkhead through-hole (24) passed for pivoted housing (18).
6. permanent-magnet concentration post as claimed in claim 5, is characterized in that offering on described dividing plate (23) dividing plate observation window (27), and position corresponding with directly over dividing plate observation window (27) on the roof of spill box (2) offers spill box observation window (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015771.8A CN103846155B (en) | 2014-01-14 | 2014-01-14 | Permanent-magnet concentration post |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015771.8A CN103846155B (en) | 2014-01-14 | 2014-01-14 | Permanent-magnet concentration post |
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| CN103846155A CN103846155A (en) | 2014-06-11 |
| CN103846155B true CN103846155B (en) | 2016-11-23 |
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| CN201410015771.8A Active CN103846155B (en) | 2014-01-14 | 2014-01-14 | Permanent-magnet concentration post |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057098A (en) * | 2015-08-12 | 2015-11-18 | 唐竹胜 | Permanent magnetic separation column suitable for strongly or weakly magnetic minerals |
| CN106423552B (en) * | 2016-09-07 | 2019-01-22 | 重庆市九瑞粉末冶金有限责任公司 | A kind of annular ferrous powder granules sorting unit |
| CN106733150A (en) * | 2016-12-05 | 2017-05-31 | 柳州煜华科技有限公司 | A kind of magnetic force trash separator |
| CN109794353B (en) * | 2019-03-04 | 2021-08-17 | 太原理工大学 | Three-product radial magnetic field magnetic cyclone for magnetite separation and classification |
| CN111215240B (en) * | 2019-11-13 | 2022-04-15 | 鞍钢集团矿业有限公司 | Multilayer magnetic system selection magnetic separator |
| CN113695081A (en) * | 2021-08-24 | 2021-11-26 | 北矿机电科技有限责任公司 | Separator of electric permanent magnet |
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| US4038178A (en) * | 1974-11-19 | 1977-07-26 | Risto Tapani Hukki | Apparatus for controlling discharge of classified sand from a hydraulic classifier |
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