CN117101879A - Magnetic control fluidization separator - Google Patents
Magnetic control fluidization separator Download PDFInfo
- Publication number
- CN117101879A CN117101879A CN202311265016.0A CN202311265016A CN117101879A CN 117101879 A CN117101879 A CN 117101879A CN 202311265016 A CN202311265016 A CN 202311265016A CN 117101879 A CN117101879 A CN 117101879A
- Authority
- CN
- China
- Prior art keywords
- feeder
- sorting
- foam overflow
- cylinder
- supply pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005243 fluidization Methods 0.000 title claims abstract description 15
- 239000006260 foam Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 239000006185 dispersion Substances 0.000 claims abstract description 8
- 238000005276 aerator Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims 2
- 239000006249 magnetic particle Substances 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 4
- 230000002776 aggregation Effects 0.000 abstract description 2
- 238000004220 aggregation Methods 0.000 abstract description 2
- 239000000696 magnetic material Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000000630 rising effect Effects 0.000 description 7
- 230000001174 ascending effect Effects 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
-
- 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
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1456—Feed mechanisms for the slurry
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention relates to the technical field of ore separation, in particular to a magnetic control fluidization separator. The magnetic control fluidization separator comprises a feeder, a foam overflow tank, a separation column, an air supply device and a water feeder; the foam overflow groove is arranged at the upper end of the sorting main body and is communicated with the sorting main body; the feeder comprises a feeder duct which is arranged on the sorting cylinder and extends into the sorting body; a magnet part is arranged outside the sorting cylinder; the air supply device and the water feeder are arranged at the lower part of the sorting cylinder and are respectively communicated with the sorting cylinder. The magnetic control fluidization separator adopts magnetic field, flow field and bubble to combine separation, and utilizes the magnetic field to control the flowing state of magnetic particles, thus not only ensuring the aggregation, dispersion and separation of magnetic particles, but also creating conditions for contact, collision and transportation of bubbles and target particles.
Description
Technical Field
The invention relates to the technical field of ore separation, in particular to a magnetic control fluidization separator.
Background
The iron ore needs to be subjected to beneficiation operation before entering metallurgy so as to reach the target grade required by metallurgy. The single magnetite ore can reach the required grade through a simple magnetic separation process, part of mixed iron ore contains both magnetite with strong magnetism and weak magnetism ore, and the ore of the type is treated by adopting traditional concentration equipment to easily cause the concentrate grade or the tailing grade not to reach the standard, and the main reason is that the traditional concentration machine adopts single magnetic field and flow field for separation, so that the rising water amount is required to be increased to realize the concentrate grade reaching the standard, the weak magnetism ore enters overflow, and the tailing iron grade exceeds the standard; in order to ensure that the iron grade of the overflow tailings is not out of standard, the rising water amount needs to be reduced, and the concentrate grade is not up to standard.
Disclosure of Invention
The invention aims to provide a magnetic control fluidization separator which can solve the problem that the concentrate grade in the prior art does not reach the standard;
the invention provides a magnetic control fluidization separator, which comprises a feeder, a foam overflow tank, a separation column, an air supply device and a water feeder;
the foam overflow groove is arranged at the upper end of the sorting main body and is communicated with the sorting main body;
the feeder comprises a feeder duct which is arranged on the sorting cylinder and extends into the sorting body;
a magnet part is arranged outside the sorting cylinder;
the air supply device and the water feeder are arranged at the lower part of the sorting cylinder and are respectively communicated with the sorting cylinder.
Preferably, the feeder further comprises a feeder barrel, a feeder support plate and a feeder dispersing plate;
the ore feeding barrel is arranged at the upper part of the ore feeding pipeline, the ore feeding dispersing plate is arranged at the lower part of the ore feeding pipeline, and the ore feeder supporting plate is arranged at the outer side of the ore feeding barrel and is supported on the foam overflow groove.
Preferably, the ore feeding dispersion plate is of a conical structure with round holes.
Preferably, a plurality of feeder support plates are arranged on the outer side of the ore feeding barrel.
Preferably, the foam overflow trough comprises a foam overflow trough outer wall and a foam overflow weir;
the outer wall of the foam overflow groove is arranged at the outer side of the foam overflow weir, and the top end of the foam overflow weir is lower than the top end of the outer wall of the foam overflow groove;
the foam overflow weir is communicated with the sorting column body, and an overflow pipe is arranged on the outer wall of the foam overflow groove.
Preferably, the foam overflow weir and the sorting cylinder are connected by a coupling flange.
Preferably, the sorting cylinder comprises an inner cylinder and a cone;
the magnet part is arranged at the outer side of the inner cylinder, and the cone cylinder is arranged at the lower part of the inner cylinder;
the foam overflow groove is communicated with the inner column body.
Preferably, the air supply device comprises an annular water supply pipe, an aerator and an annular air supply pipe;
the annular water supply pipe and the annular air supply pipe are communicated with the aerator, the annular water supply pipe and the annular air supply pipe are arranged on the outer side of the sorting cylinder, and the outlet end of the aerator extends to the inside of the sorting cylinder.
Preferably, the water feeder comprises a water-proof cylinder and an outer water supply pipe;
the waterproof cylinder is arranged in the separation column body, and the outer water supply pipe is communicated with the waterproof cylinder.
Preferably, a plurality of water outlet pipes which are uniformly distributed are arranged on the water-proof cylinder.
The beneficial effects are that:
the separator realizes fixed-point feeding through feeding of a feeding pipeline of the ore feeder, the ore feeder is connected with the separation column, and mineral particles in ore pulp enter the separation column to form a fluidization state under the combined action of a changing magnetic field and rising water flow to flow in the separator. The magnetic field adsorbs the magnetic materials, promotes the enrichment of the magnetic materials to form concentrate, and is discharged at the bottom of the separator. The non-magnetic minerals such as gangue collide and adhere with bubbles under the action of the flotation reagent, and are carried to a foam overflow tank together with rising water flow by the bubbles to form tailings for discharge. The selectivity of the bubbles reduces the water demand of the rising water stream compared to conventional refiners. Therefore, only nonmagnetic minerals can enter the tailings through the foam overflow groove, and the separation operation of the magnetic materials and the nonmagnetic materials is efficiently realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a separator according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a structure of a feeder according to an embodiment of the present invention.
FIG. 3 is a schematic view of a foam overflow trough structure according to an embodiment of the invention.
Fig. 4 is a schematic diagram of a sorting column according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an air supply device according to an embodiment of the present invention.
Fig. 6 is a schematic view of a water dispenser according to an embodiment of the present invention.
Reference numerals illustrate:
1: ore feeder, 2: foam overflow launder, 3: sorting column, 4: air supply device, 5: a water feeder;
11: ore feed cylinder, 12: feeder support plate, 13: ore feed pipe, 14: a feed dispersion plate;
21: foam isopipe outer wall, 22: foam overflow weir, 23: coupling flange, 24: an overflow pipe;
31: inner column, 32: magnet portion, 33: a cone;
41: annular water supply pipe, 42: inflator, 43: an annular gas supply tube;
51: water-blocking cylinder, 52: and an external water supply pipe.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 6, the present embodiment provides a magnetically controlled fluidized classifier for use in a magnetic ore classification process, particularly a classifier used in a beneficiation process, and also as a coarse particle classification apparatus in a partially nonferrous metal ore media separation process. It comprises a feeder 1, a foam overflow tank 2, a sorting cylinder 3, an air supply device 4 and a water feeder 5.
The foam overflow tank 2 is provided at the upper end of the classifying body, and the foam overflow tank 2 communicates with the classifying body.
The feeder 1 comprises a feeder duct 13, the feeder 1 being arranged on the sorting cylinder 3 and the feeder duct 13 extending into the sorting body.
The sorting cylinder 3 is provided outside with a magnet portion 32.
The air supply device 4 and the water feeder 5 are arranged at the lower part of the sorting cylinder 3 and are respectively communicated with the sorting cylinder 3.
The separator realizes fixed-point feeding through the feeding of the feeding pipeline 13 of the feeder 1, the feeder 1 is connected with the separation column 3, and mineral particles in ore pulp enter the separation column 3 to form a fluidization state under the combined action of a changing magnetic field and ascending water flow to flow in the separator. The magnetic field adsorbs the magnetic materials, promotes the enrichment of the magnetic materials to form concentrate, and is discharged at the bottom of the separator. The non-magnetic minerals such as gangue collide and adhere with the bubbles under the action of the flotation reagent, and the bubbles and the ascending water flow are carried to the foam overflow tank 2 to form tailings for discharge. The selectivity of the bubbles reduces the water demand of the rising water stream compared to conventional refiners. Therefore, only non-magnetic mineral can enter tailings through the foam overflow groove 2, and the separation operation of magnetic materials and non-magnetic materials is efficiently realized.
In summary, the magnetic control fluidization separator disclosed by the invention adopts the magnetic field, the flow field and the bubbles to combine and separate, and utilizes the magnetic field to control the flowing state of magnetic particles, so that the aggregation, dispersion and separation of magnetic particles are ensured, and meanwhile, conditions are created for the contact, collision and transportation of the bubbles and target particles.
Ore feeder 1
Referring to fig. 2, in order to realize fixed-point ore distribution, a pipeline ore feeding mode is adopted by the ore feeder 1, and ore pulp enters a magnetic field separation area along an ore feeding pipe and fully collides with bubbles.
The feeder 1 further comprises a feeder barrel 11, a feeder support plate 12 and a feeder dispersing plate 14.
The feeder bowl 11 is arranged at the upper part of the feeder duct 13, the feeder dispersing plate 14 is arranged at the lower part of the feeder duct 13, and the feeder support plate 12 is arranged at the outer side of the feeder bowl 11 and supported on the foam overflow launder 2.
The feed dispersion plate 14 has a conical structure with circular holes. A plurality of feeder support plates 12 are provided on the outside of the feeder tube 11.
Foam overflow trough 2
Referring to fig. 3, foam overflow launder 2 effects foam overflow discharge. The foam enters the overflow trough by overflowing under the action of the rising water flow.
The foam overflow tank 2 comprises a foam overflow tank outer wall 21 and a foam overflow weir 22, wherein the foam overflow tank outer wall 21 is arranged outside the foam overflow weir 22, and the height of the top end of the foam overflow weir 22 is lower than that of the top end of the foam overflow tank outer wall 21. The foam overflow weir 22 is communicated with the sorting cylinder 3, and an overflow pipe 24 is arranged on the outer wall 21 of the foam overflow trough.
The foam weir 22 and the sorting cylinder 3 are connected by a coupling flange 23.
Sorting column 3
Referring to fig. 4, the sorting cylinder 3 mainly provides a collision sorting space for magnetic fields, bubbles, formed by electromagnetic coil magnets outside the sorting cylinder, which bubbles are controlled by a lower annular gas supply 4.
The sorting cylinder 3 includes an inner cylinder 31 and a cone 33, the magnet portion 32 is provided outside the inner cylinder 31, and the cone 33 is provided in the lower portion of the inner cylinder 31.
The foam overflow tank 2 communicates with the inner column 31.
Air supply device 4
Referring to fig. 5, the air supply device 4 includes an annular water supply pipe 41, an inflator 42, and an annular air supply pipe 43.
The annular water supply pipe and the annular air supply pipe 43 are communicated with the aerator 42, the annular water supply pipe and the annular air supply pipe 43 are arranged on the outer side of the sorting cylinder 3, and the outlet end of the aerator 42 extends to the inside of the sorting cylinder 3.
The annular water supply pipe 41 and the annular air supply pipe 43 supply water and gas, respectively, into the inflator 42, and the water and gas are mixed to form bubbles in the inflator 42.
Water feeder 5
Referring to fig. 6, the water feeder 5 includes a water blocking cylinder 51 and an outer water supply pipe 52, the water blocking cylinder 51 being provided in the sorting cylinder 3, the outer water supply pipe 52 being in communication with the water blocking cylinder 51.
A plurality of water outlet pipes which are uniformly distributed are arranged on the water-proof cylinder 51.
In order to further explain the magnetic control fluidization separator, the working process of the separator is also provided in the embodiment: the separation slurry enters the separation column 3 at fixed points through the ore feeding pipeline 13 of the ore feeder 1, the specific gravity of the magnetic particles and the specific gravity of the non-magnetic particles are different, the magnetic particles descend in the separation column 3, and the non-magnetic particles ascend under the combined carrying action of air bubbles and ascending water flow to form overflow tailings. In order to prevent part of non-magnetic particles from entering the concentrate, an electromagnetic magnet is set to be an alternating magnetic field, and magnetic materials are in an agglomeration-dispersion state under the action of the alternating magnetic field, enter a cone cylinder 33 and are discharged to form the concentrate. The non-magnetic material collides with the bubbles and adheres to the bubbles, and enters the overflow channel along with the ascending water flow to form tailings. The ascending water flow is fed into the cylinder through the water feeder 5, and the gas is formed into bubbles by the gas supply device 4, enters the cylinder, collides with the non-magnetic material, and moves upwards along with the ascending water flow.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. The magnetic control fluidization separator is characterized by comprising a feeder, a foam overflow tank, a separation column, an air supply device and a water feeder;
the foam overflow groove is arranged at the upper end of the sorting main body and is communicated with the sorting main body;
the feeder comprises a feeder duct which is arranged on the sorting cylinder and extends into the sorting body;
a magnet part is arranged outside the sorting cylinder;
the air supply device and the water feeder are arranged at the lower part of the sorting cylinder and are respectively communicated with the sorting cylinder.
2. A magnetically controlled fluidization separator as claimed in claim 1, wherein the feeder further comprises a feeder barrel, a feeder support plate, and a feeder dispersion plate;
the ore feeding barrel is arranged at the upper part of the ore feeding pipeline, the ore feeding dispersing plate is arranged at the lower part of the ore feeding pipeline, and the ore feeder supporting plate is arranged at the outer side of the ore feeding barrel and is supported on the foam overflow groove.
3. A magnetically controlled fluidized separator according to claim 2, wherein the feed dispersion plate is of a conical configuration with circular holes.
4. A magnetically controlled fluidization separator as claimed in claim 2, wherein a plurality of feeder support plates are provided on the outside of the feeder barrel.
5. A magnetically controlled fluidized separator according to claim 1 wherein the foam overflow trough comprises a foam overflow trough outer wall and a foam overflow weir;
the outer wall of the foam overflow groove is arranged at the outer side of the foam overflow weir, and the top end of the foam overflow weir is lower than the top end of the outer wall of the foam overflow groove;
the foam overflow weir is communicated with the sorting column body, and an overflow pipe is arranged on the outer wall of the foam overflow groove.
6. A magnetically controlled fluidized separator according to claim 5 wherein the foam weir and the separation column are connected by a coupling flange.
7. A magnetically controlled fluidized separator according to claim 1 wherein the separation column comprises an inner column and a cone;
the magnet part is arranged at the outer side of the inner cylinder, and the cone cylinder is arranged at the lower part of the inner cylinder;
the foam overflow groove is communicated with the inner column body.
8. A magnetically controlled fluidized separator according to claim 1 wherein the gas supply means comprises an annular water supply pipe, an aerator and an annular gas supply pipe;
the annular water supply pipe and the annular air supply pipe are communicated with the aerator, the annular water supply pipe and the annular air supply pipe are arranged on the outer side of the sorting cylinder, and the outlet end of the aerator extends to the inside of the sorting cylinder.
9. A magnetically controlled fluidized separator according to claim 1 wherein the water feeder comprises a water barrier and an external water supply pipe;
the waterproof cylinder is arranged in the separation column body, and the outer water supply pipe is communicated with the waterproof cylinder.
10. A magnetically controlled fluidized separator according to claim 9, wherein a plurality of evenly distributed water outlet pipes are provided on the water barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311265016.0A CN117101879A (en) | 2023-09-27 | 2023-09-27 | Magnetic control fluidization separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311265016.0A CN117101879A (en) | 2023-09-27 | 2023-09-27 | Magnetic control fluidization separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117101879A true CN117101879A (en) | 2023-11-24 |
Family
ID=88804084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311265016.0A Pending CN117101879A (en) | 2023-09-27 | 2023-09-27 | Magnetic control fluidization separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117101879A (en) |
-
2023
- 2023-09-27 CN CN202311265016.0A patent/CN117101879A/en active Pending
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