CN112916204B - Weak magnetic ore iron separation process and vertical ring magnetic separator used in process - Google Patents
Weak magnetic ore iron separation process and vertical ring magnetic separator used in process Download PDFInfo
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- CN112916204B CN112916204B CN202110098262.6A CN202110098262A CN112916204B CN 112916204 B CN112916204 B CN 112916204B CN 202110098262 A CN202110098262 A CN 202110098262A CN 112916204 B CN112916204 B CN 112916204B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
- B04C2009/002—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with external filters
Abstract
The application relates to a weakly magnetic iron ore dressing process and a vertical ring magnetic separator used by the process, which comprises the steps of putting rough concentrate into a ball mill for grinding; mineral powder enters a cyclone and a high-frequency vibrating screen for combined screening, and passes through the combination of the cyclone and the high-frequency vibrating screen; placing the screened mineral powder into a vertical ring magnetic separator, wherein the mineral powder is fed through a switching component in the vertical ring magnetic separator, a pressurizing component for controlling the switching of the switching component is also arranged on the vertical ring magnetic separator, and the vertical ring magnetic separator screens weak magnetic ores in the mineral powder; weak magnetic ore screened by the vertical ring magnetic separator is transmitted to a grade elevator; and finally, conveying the mixture of the weakly magnetic ore and the water in the grade hoister into a disc filter, and filtering the weakly magnetic ore powder mixed in the water through the disc filter. This application has the more even effect that makes the powdered ore whereabouts that has mixed water.
Description
Technical Field
The application relates to the field of mineral powder screening, in particular to a weakly magnetic mineral iron separation process and a vertical ring magnetic separator used by the process.
Background
Most of weakly magnetic ores are ferric oxide, and a vertical-ring magnetic separator is often used in the process of screening the weakly magnetic ores in mineral powder.
The invention discloses a large-particle vertical ring pulsating high-gradient magnetic separator in the related technology such as Chinese invention with publication number CN102614983B, which comprises a frame, wherein a magnetic yoke, an exciting coil, a swivel, a concentrate bucket, a concentrate collecting tank and a tailing bucket are arranged on the frame, a magnetic medium pile is arranged on the swivel, and a feeding hopper is arranged above the magnetic yoke; the magnetic medium stack is composed of a thin stainless steel plate and medium rods inserted on the stainless steel plate, and the high gradient of the magnetic field is ensured by selecting the diameter and the spatial arrangement mode of the medium rods under the condition of ensuring that material particles of 2-5mm pass through smoothly; the outer side wall and the front and rear side walls of the concentrate hopper are inclined towards the bottom discharge port, and a discharge pipe connected with the discharge port is also inclined downwards; and material baffles are transversely arranged on the bottom wall of the concentrate collecting tank and on the inclined side wall of the tailing hopper.
The raw materials that have powdered ore raw materials and rivers let in the hopper, the powdered ore raw materials that mix in the hopper has water after yoke and swivel, magnetic substance is adsorbed on the swivel, non-magnetic substance falls from the tailing fill, be equipped with the unloading hole that extends along vertical direction on the yoke, the bottom surface and the unloading hole intercommunication of hopper, the powdered ore that mixes with water flows into in the unloading hole from the hopper, magnetic powdered ore is attached to on the rotatory swivel, follow the swivel rotation and leave the yoke, until there is not magnetic position, drop from the swivel, non-magnetic powdered ore passes the dielectric rod and falls and is discharged in the tailing fill.
In view of the above-mentioned related arts, the inventor believes that the mineral powder mixed with water entering the hopper is a fluid, when the water and the mineral powder fall from the blanking hole, the blanking may be uneven, more mineral powder falls from the middle position, less mineral powder falls from the edge position of the hopper, and the distribution of the mineral powder is uneven when the mineral powder passes through the rotary ring and the magnetic yoke, thereby resulting in poor iron separation efficiency of the mineral powder.
Disclosure of Invention
In order to enable mineral powder mixed with water to fall more uniformly, the application provides a weakly magnetic mineral iron separation process and a vertical ring magnetic separator used by the process.
In a first aspect, the application provides an iron separation process for weakly magnetic ores, which adopts the following technical scheme:
a process for iron dressing of weakly magnetic ore includes putting coarse ore concentrate into ball grinder for grinding; mineral powder enters a cyclone and a high-frequency vibrating screen for combined screening, and passes through the combination of the cyclone and the high-frequency vibrating screen; placing the screened mineral powder into a vertical ring magnetic separator, wherein the mineral powder is fed through a switching component in the vertical ring magnetic separator, a pressurizing component for controlling the switching of the switching component is also arranged on the vertical ring magnetic separator, and the vertical ring magnetic separator screens weak magnetic ores in the mineral powder; weak magnetic ore screened by the vertical ring magnetic separator is transmitted to a grade elevator; and finally, conveying the mixture of the weakly magnetic ore and the water in the grade hoister into a disc filter, and filtering the weakly magnetic ore powder mixed in the water through the disc filter.
Through adopting above-mentioned technical scheme, when the misce bene that has powdered ore and water to mix when founding the ring magnetic separator, set up the break-make subassembly on the unloading hole, when the misce bene of entering powdered ore and water in the hopper, wait for even the stretching of misce bene in hopper and a plurality of unloading holes, when all filling has equivalent misce bene in every unloading hole, control pressurization subassembly pressurizes, the break-make subassembly is opened, thereby make falling that going on that the misce bene can be even, make powdered ore and water evenly fall in a plurality of unloading holes, the misce bene that can more even contact powdered ore and water when the change rotates, thereby improve the screening efficiency of powdered ore.
In a second aspect, the application provides a vertical ring magnetic separator used in a weak magnetic ore iron separation process, which adopts the following technical scheme:
the utility model provides a vertical ring magnetic separator that weak magnetism ore deposit iron selected technology used, includes the hopper and installs the yoke in the hopper below, be equipped with the feed opening that extends along vertical direction on the yoke, the bottom surface of hopper with the top intercommunication in feed opening, install the break-make subassembly of control feed opening break-make on the inner wall in feed opening, install the pressurization subassembly that control break-make subassembly rotated the break-make on the lateral wall of hopper, when pressurization subassembly pressurizes the feed opening, break-make subassembly rotation control feed opening.
Through adopting above-mentioned technical scheme, set up the break-make subassembly on the unloading hole, when getting into the misce bene of powdered ore and water in the hopper, wait for even the stretching of misce bene in hopper and a plurality of unloading holes, when all filling has equivalent misce bene in every unloading hole, control pressurization subassembly pressurizes, the break-make subassembly is opened, thereby make falling that the misce bene can be even, make powdered ore and water evenly fall in a plurality of unloading holes, the misce bene that can be more even contact powdered ore and water when the change rotates, thereby improve the screening efficiency of powdered ore.
Optionally, the on-off assembly comprises a rotating plate hinged to the inner wall of the blanking hole, the length of the rotating plate extends along the length of the blanking hole in the horizontal direction, one side of the rotating plate is hinged to the inner wall of one side of the blanking hole, the other side of the rotating plate is abutted to the inner wall of the other side of the blanking hole, an elastic rod is further mounted on the side wall of the blanking hole mounting rotating plate, and the other end of the elastic rod is connected with the lower surface of the rotating plate.
Through adopting above-mentioned technical scheme, when the pressurization subassembly does not pressurize, the rotor plate is supported by the elastic rod, the rotor plate blocks the unloading hole and seals, when the pressurization subassembly pressurizes, the rotor plate rotates, the elastic rod is by extrusion deformation, the unloading hole is opened and is begun the unloading, the unloading finishes the back, the pressurization subassembly stops the pressurization once more, the rotor plate rotates makes the unloading hole closed, wait for once more behind the even stretching of mixed material of water and powdered ore to pressurize the unloading once more, open the unloading of unloading hole through the intermittent type, make mixed material can evenly fall.
Optionally, the lower surface of the rotating plate is further connected with a vertical rod extending vertically downwards, and the side wall of the vertical rod is connected with a dredging rod.
Through adopting above-mentioned technical scheme, when the rotor plate downwardly rotating made the pan feeding hole open, the rotor plate drove vertical pole and mediation pole downstream, when the rotor plate upwards rotates the closure, the rotor plate drove vertical pole and mediation pole upward movement, through upper and lower reciprocating motion, rotates the jam that takes place in the prevention unloading hole to further mediation to the unloading hole of the in-process of unloading hole control switching at the rotor plate.
Optionally, a plurality of dredging rods are arranged on the side wall of the vertical rod around the axis of the vertical rod, and the dredging rods are arranged in a downward inclined manner.
Through adopting above-mentioned technical scheme, a plurality of mediation pole downward sloping make the downward flow along the mediation pole of the misce bene of powdered ore and water more smooth, further make the misce bene whereabouts in the unloading hole more smooth.
Optionally, the bottom end of the vertical rod is provided with a balancing weight.
Through adopting above-mentioned technical scheme, make vertical pole can remain vertical state throughout through setting up the balancing weight, the vertical pole of prevention splits or buckles and blocks up production influence to the pan feeding hole in the pan feeding hole.
Optionally, the pressurizing assembly comprises a water pipe communicated with the side wall of the feeding hopper, one end, far away from the feeding hopper, of the water pipe is connected with a water pump, and the water pump is controlled to be intermittently switched on and off through computer numerical control.
By adopting the technical scheme, when the feeding hole needs to be opened, the water pump is started, the water pump sequentially supplies water to the water pipe and the feeding hopper, when the water amount in the feeding hopper reaches the specified water level, the water pressure borne by the on-off component is enough, the on-off component is flushed by the water pressure, the feeding hole is dredged, the material mixed with mineral powder and water flows down in the discharging hole, when a part of mixed material falls down, the water pump stops supplying water, the on-off component seals to enable the discharging hole not to continue discharging, the mixed material is stored again, the mixed material is uniformly distributed in the discharging hole in a flowing manner, the water pump is continuously started to pressurize, the on-off of the on-off component is controlled through the water pressure, other driving mechanisms are not needed for controlling, and on the basis of saving energy, the on-off component is closed and opened.
Optionally, the side wall of the feeding hopper is further communicated with an overflow pipe.
Through adopting above-mentioned technical scheme, when the feed opening takes place to block up or the break-make subassembly takes place that the clapping does not rotate and open the feed opening, the rivers of jam to the overflow pipe in, the overflow pipe can effectively prevent that the water in the hopper from upwards spilling over.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the on-off component is arranged on the blanking holes, when mixed materials of mineral powder and water enter the feeding hopper, the mixed materials are waited to uniformly spread in the feeding hopper and the plurality of blanking holes, when equal amount of mixed materials are filled in each blanking hole, the pressurizing component is controlled to pressurize, the on-off component is opened, so that the mixed materials can uniformly fall, the mineral powder and the water can uniformly fall in the plurality of blanking holes, the rotating ring can more uniformly contact the mixed materials of the mineral powder and the water when rotating, and the screening efficiency of the mineral powder is improved;
2. when the feeding hole needs to be opened, the water pump is started, the water pump sequentially supplies water to the water pipe and the feeding hopper, when the water amount in the feeding hopper reaches a specified water level, the water pressure borne by the on-off component is large enough, the on-off component is flushed by the water pressure, the feeding hole is dredged, the material mixed with mineral powder and water flows down in the discharging hole, when a part of mixed material falls down, the water pump stops supplying water, the on-off component is closed to enable the discharging hole not to continue discharging, the mixed material is stored again, the mixed material is enabled to uniformly flow and distribute in the discharging hole, the water pump is continuously started again to pressurize, the on-off of the on-off component is controlled through the water pressure, other driving mechanisms do not need to be used for controlling, and on the basis of saving energy, the on-off component is closed and opened.
Drawings
Fig. 1 is a schematic view of the overall structure of the yoke and the swivel in the embodiment.
FIG. 2 is a schematic diagram of the structure of the switching assembly and the yoke in the embodiment.
FIG. 3 is a schematic diagram of the structure of the hopper and the blanking hole in the embodiment.
FIG. 4 is a schematic structural diagram of the blanking hole and the on-off assembly in the embodiment.
Fig. 5 is a partially enlarged schematic view of a in fig. 4.
Description of reference numerals: 1. a magnetic yoke; 11. a blanking hole; 2. a feeding hopper; 21. an overflow pipe; 22. a filter screen; 23. a grid plate; 3. rotating the ring; 4. an on-off component; 41. a rotating plate; 42. an elastic rod; 43. a vertical rod; 44. dredging the rod; 45. a reinforcing bar; 46. a balancing weight; 5. a pressurizing assembly; 51. a water pipe; 52. and (4) a water pump.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses an iron separation process of weakly magnetic ores. Referring to fig. 1, the iron concentration process of weakly magnetic ore includes:
s1, placing the rough concentrate into a ball mill, grinding the rough concentrate by the ball mill, grinding the rough concentrate into powder, grinding by the ball mill by a wet method, and continuously adding water into the ball mill in the grinding process of the ball mill;
s2, conveying the mixture of the mineral powder and water ground by the ball mill into a drum screen for screening, and further improving the fineness degree of the mineral powder;
s3, after the mineral powder is screened from the drum screen, the mineral powder enters the cyclone and the high-frequency vibrating screen in sequence for combined screening, and through the combination of the cyclone and the high-frequency vibrating screen, the fineness of the mineral powder is greatly improved, and finer mineral powder is provided for the subsequent mineral powder screening;
s4, placing the screened mineral powder into a vertical ring magnetic separator, wherein the mineral powder is fed through an on-off component in the vertical ring magnetic separator, a pressurizing component for controlling the on-off of the on-off component is also arranged on the vertical ring magnetic separator, the vertical ring magnetic separator screens weak magnetic ores in the mineral powder, and the mineral powder is screened and divided into tailings basically without magnetic substances and weak magnetic ore powder;
s5, conveying the weakly magnetic ore screened by the vertical ring magnetic separator to a grade elevator to improve the grade of the weakly magnetic ore;
and S6, finally, conveying the mixture of the weakly magnetic ore and water in the grade hoister to a disc filter, and filtering the weakly magnetic ore powder mixed in the water through the disc filter to finally obtain the concentrate powder with the water content of 10%.
In this embodiment, the vertical ring magnetic separator used in step S4, referring to fig. 1 and 2, includes a yoke 1, a hopper 2 is provided above the yoke 1, and a rotating ring 3 that rotates continuously while passing through the yoke 1 is provided in the middle of the yoke 1. The top of yoke 1 is fixed with hopper 2, is equipped with on yoke 1 and runs through the unloading hole 11 of terminal surface about yoke 1, and the cross section of unloading hole 11 horizontal direction is for the rectangular shape mutually perpendicular with the vertical terminal surface of lateral wall, installs break-make subassembly 4 in the unloading hole 11, and break-make subassembly 4 controls the break-make in unloading hole 11, controls through the break-make to unloading hole 11. Install pressure components 5 on the lateral wall of hopper 2, pressurize when pressure components 5 pressurizes hopper 2 and pressure is big enough, break-make subassembly 4 opens, and the water that has the powdered ore in hopper 2 just can drop and begin to carry out the iron selection through swivel 3.
Referring to fig. 2 and 3, the on-off assembly 4 includes a rotating plate 41 hinged to an inner wall of one side of the discharging hole 11, the other side of the rotating plate 41 abuts against an inner wall of the other side of the discharging hole 11, a length of the rotating plate 41 in a horizontal direction is the same as a length of the discharging hole 11 in the horizontal direction, an elastic rod 42 is fixedly connected to a bottom surface of the rotating plate 41, in this embodiment, the elastic rod 42 is an elastic rod 42 supported by a rubber material, one end of the elastic rod 42 is fixed to the bottom surface of the rotating plate 41, and the other end of the elastic rod is fixed to an inner wall of the discharging hole 11 where the rotating plate 41 is installed.
When the blanking is not performed in the blanking hole 11, the elastic rod 42 is in an extended state, and supports the rotating plate 41, so that one side of the rotating plate 41 is abutted against the side wall of the blanking hole 11.
Referring to fig. 1 and 3, the pressurizing unit 5 includes a water pipe 51 installed on a side wall of the hopper 2, and a water pump 52 for supplying water to the water pipe 51 is connected to one end of the water pipe 51 to communicate with the hopper 2 and the other end.
Referring to fig. 2 and 3, a mixture of mineral powder and water is fed into the hopper 2 from an upper opening of the hopper 2, at this time, the pressure of the mixture of mineral powder is insufficient to drive the rotating plate 41 to rotate and open, the mineral powder gradually spreads from the hopper 2 to each of the discharging holes 11 arranged in parallel, when the mixture of mineral powder uniformly spreads to fill each of the discharging holes 11, the water pump 52 is turned on, the water pump 52 fills the hopper 2 with water, at this time, the water pressure at the position of the rotating plate 41 gradually increases, the rotating plate 41 rotates, the elastic rod 42 bends due to the pressure of the rotating plate 41, the rotating plate 41 rotates and opens, so that the discharging holes 11 normally discharge, and at this time, the mixture falling from the discharging is uniformly distributed.
After the blanking, the water pump 52 is turned off to stop the pressurization. When the mixed material falls for a period of time, and the water pressure on the rotating plate 41 is smaller than the elastic supporting force of the elastic rod 42, the elastic rod 42 recovers deformation, the rotating plate 41 rotates and resets, the discharging hole 11 is closed, and discharging of the discharging hole 11 is stopped. The water level at which the water pressure is sufficient to open the rotating plate 41 can be obtained by manual measurement.
And (3) continuously feeding a new mixed material of water and mineral powder into the feeding hopper 2, starting the water pump 52 again to supply water and pressurize when the mixed material fully spreads in each blanking hole 11, and repeating the steps to control the on-off of the rotating plate 41 so as to intermittently and uniformly blank the blanking holes 11.
Referring to fig. 4 and 5, a vertical rod 43 is further fixedly connected to the lower surface of the rotating plate 41, the vertical rod 43 faces vertically downward, the vertical rod 43 is made of elastic rubber in the embodiment, the vertical rod 43 can be bent freely, and the vertical rod 43 is prevented from being collided and broken in the moving process as much as possible. The side wall of the vertical rod 43 is fixed with dredging rods 44 distributed around the vertical axis of the vertical rod 43, each vertical rod 43 is provided with two dredging rods 44, one end of each dredging rod 44, which is far away from the vertical rod 43, inclines downwards, and a reinforcing rod 45 for reinforcing the connection between the dredging rod 44 and the vertical rod 43 is further connected between the dredging rod 44 and the vertical rod 43.
When the rotating plate 41 rotates downwards, the vertical rod 43 moves downwards, and meanwhile the dredging rod 44 is driven to move downwards in the blanking hole 11, so that the mixed material in the blanking hole 11 is dredged downwards, the blockage in the blanking hole 11 can be effectively prevented, and the blanking hole 11 is dredged while the uniform blanking of the blanking hole 11 is controlled.
The bottom end of the vertical rod 43 is also fixedly connected with a balancing weight 46, and the balancing weight 46 can keep the vertical rod 43 in a vertical state as much as possible, so that the vertical rod 43 is prevented from being bent in the blanking hole 11 to block the blanking hole 11.
Referring to fig. 3, still communicate on the lateral wall of hopper 2 and have overflow pipe 21, the one end of overflow pipe 21 and the lateral wall intercommunication of hopper 2 to overflow pipe 21 is located the top of pressure water line, and pressurization subassembly 5 or break-make subassembly 4 break down, and when water pressure reached water line break-make subassembly 4 and has not opened yet, unnecessary water flowed out from overflow pipe 21, and the prevention water level is too high to lead to the condition of overflowing in hopper 2. A filter screen 22 for preventing the mineral powder from flowing out and wasting is connected between the overflow pipe 21 and the feeding hopper 2. Still fixedly connected with grid plate 23 on the inner wall of hopper 2, grid plate 23 can shunt the mixed material of powdered ore and water that enters into in hopper 2, makes the even whereabouts of mixed material.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides a found ring magnetic separator, includes hopper (2) and installs yoke (1) in hopper (2) below, be equipped with on yoke (1) along blanking hole (11) that vertical direction extends, the bottom surface of hopper (2) with the top intercommunication of blanking hole (11), its characterized in that: the inner wall of the blanking hole (11) is provided with an on-off component (4) for controlling the on-off of the blanking hole (11), the side wall of the feeding hopper (2) is provided with a pressurizing component (5) for controlling the on-off component (4) to rotate to be turned on or off, and when the pressurizing component (5) pressurizes the blanking hole (11), the on-off component (4) rotates to control the blanking hole (11) to be opened; the on-off assembly (4) comprises a rotating plate (41) hinged to the inner wall of the blanking hole (11), the length of the rotating plate (41) extends along the length of the blanking hole (11) in the horizontal direction, one side of the rotating plate (41) is hinged to the inner wall of one side of the blanking hole (11), the other side of the rotating plate is abutted to the inner wall opposite to the other side of the blanking hole (11), an elastic rod (42) is further mounted on the side wall, where the rotating plate (41) is mounted, of the blanking hole (11), and the other end of the elastic rod (42) is connected with the lower surface of the rotating plate (41); the lower surface of the rotating plate (41) is also connected with a vertical rod (43) which vertically extends downwards, and the side wall of the vertical rod (43) is connected with a dredging rod (44); pressurization subassembly (5) include water service pipe (51) with hopper (2) lateral wall intercommunication, water service pipe (51) are kept away from the one end of hopper (2) is connected with suction pump (52), suction pump (52) digital control intermittent type break-make.
2. A vertical ring magnetic separator as claimed in claim 1, wherein: a plurality of dredging rods (44) are arranged on the side wall of the vertical rod (43) around the axis of the vertical rod (43), and the dredging rods (44) are arranged in a downward inclined mode.
3. A vertical ring magnetic separator as claimed in claim 2, wherein: and a balancing weight (46) is installed at the bottom end of the vertical rod (43).
4. A vertical ring magnetic separator as claimed in claim 1, wherein: the side wall of the feeding hopper (2) is also communicated with an overflow pipe (21).
5. The iron separation process of a weakly magnetic ore of the vertical ring magnetic separator according to any one of claims 1 to 4, comprising: putting the rough concentrate into a ball mill for polishing; mineral powder enters a cyclone and a high-frequency vibrating screen for combined iron separation, and is combined by the cyclone and the high-frequency vibrating screen; putting the mineral powder after iron separation into a vertical ring magnetic separator, wherein the mineral powder is fed through a switching component in the vertical ring magnetic separator, the vertical ring magnetic separator is also provided with a pressurizing component for controlling the switching of the switching component, and the vertical ring magnetic separator performs iron separation on weak magnetic ores in the mineral powder; weak magnetic ore screened by the vertical ring magnetic separator is transmitted to a grade elevator; and finally, conveying the mixture of the weakly magnetic ore and the water in the grade hoister into a disc filter, and filtering the weakly magnetic ore powder mixed in the water through the disc filter.
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| CN202110098262.6A CN112916204B (en) | 2021-01-25 | 2021-01-25 | Weak magnetic ore iron separation process and vertical ring magnetic separator used in process |
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| CN202110098262.6A CN112916204B (en) | 2021-01-25 | 2021-01-25 | Weak magnetic ore iron separation process and vertical ring magnetic separator used in process |
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| CN112916204B true CN112916204B (en) | 2022-03-18 |
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| CN202962651U (en) * | 2012-12-05 | 2013-06-05 | 湖南科美达电气股份有限公司 | Vertical ring pulse high-gradient magnetic separator |
| CN105251594A (en) * | 2014-12-29 | 2016-01-20 | 江西金辉环保科技有限公司 | Method for preparing lithium-contained potassium sodium feldspar powder in tantalum-niobium ore waste rocks |
| WO2017120707A1 (en) * | 2016-01-11 | 2017-07-20 | 潘静娴 | Magnetic separation device forming high-density magnetic peak values using micro pole pitches |
| CN107755088A (en) * | 2017-12-05 | 2018-03-06 | 赣州金环磁选设备有限公司 | Double uniform cloth charge bar medium dry powder high gradient magnetic separator |
| CN109277193A (en) * | 2018-10-09 | 2019-01-29 | 乔盘池 | A kind of efficient magnetic separation process of mineral |
| CN209501941U (en) * | 2018-12-24 | 2019-10-18 | 赣州金环磁选设备有限公司 | A kind of vertical ring pulsation superconducting magnetic separator |
| CN110605180A (en) * | 2019-10-16 | 2019-12-24 | 中南大学 | Combined vertical ring suspension disturbance high-gradient magnetic separator and mineral separation method using same |
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