CN209735766U - Electrostatic ore dressing device - Google Patents
Electrostatic ore dressing device Download PDFInfo
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- CN209735766U CN209735766U CN201920247646.8U CN201920247646U CN209735766U CN 209735766 U CN209735766 U CN 209735766U CN 201920247646 U CN201920247646 U CN 201920247646U CN 209735766 U CN209735766 U CN 209735766U
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- ore dressing
- dressing device
- dust collector
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Abstract
an electrostatic ore dressing device comprises an electrostatic ore dressing device, an electrostatic dust collector, a suspension roller mill and a feeding hopper, wherein the feeding hopper is connected with the suspension roller mill through a belt corridor, the suspension roller mill is connected with the electrostatic ore dressing device through an air supply pipeline, the electrostatic ore dressing device is connected with an air inlet smoke box of the electrostatic dust collector, and the electrostatic dust collector is connected with a tail gas treatment system; the electrostatic ore separator is connected with the concentrate storehouse through a pipe chain machine, and the electrostatic dust collector is connected with the tailing storehouse through a pipe chain machine. The core part of the device comprises an electrostatic ore dressing device and an electrostatic dust collector, dust-containing gas generates a corona phenomenon under the action of an electric field, dust is ionized, metal ions are firstly deposited on the electrostatic ore dressing device according to the property difference between the metal ions and nonmetal ions, and the nonmetal ions are deposited on the electrostatic dust collector, so that the purpose of electrostatic ore dressing is realized by metal ion enrichment. The device can simplify the mineral separation process, improve the efficiency, simplify the construction, reduce the investment and realize the simplification and environmental protection of the mineral separation process of the refractory ores.
Description
Technical Field
The utility model relates to a mineral processing technology field, specifically speaking relate to an electrostatic ore dressing device.
Background
At present, the mineral separation is carried out on the difficultly selected ores with low dissociation degree of rock and ore, intergrowth or wrapping by gangue and small embedded granularity of mineral distribution more than 10um, a chemical wet-method mineral separation method is generally adopted, and the chemical wet-method mineral separation not only has complex process, low efficiency, high construction difficulty and large investment, but also consumes a large amount of water resources, generates a large amount of chemical emissions and is not environment-friendly. Therefore, the beneficiation of such refractory ores has been a technical problem in the art.
Therefore, in order to improve the process defects, an electrostatic ore dressing device needs to be designed, the structure of the device is adjusted, the process is simplified, the construction difficulty and investment are reduced, a new route is found for ore dressing and industrial solid waste treatment of metallurgical mines, and meanwhile, the ore dressing process of refractory ores with low degree of dissociation of rock and ore, intergrowth or wrapping of the rocks and distribution of minerals over 10um and small embedded particle size is simplified and environment-friendly.
disclosure of Invention
To the above prior art, the to-be-solved technical problem of the utility model lies in providing an electrostatic ore dressing device, simplifies the technology, raises the efficiency, simplifies the construction, reduces the investment, realizes that the ore dressing technology of refractory ore is simplified, the environmental protection ization.
in order to solve the technical problem, the utility model provides an electrostatic ore dressing device, which comprises an electrostatic ore dressing device, a dust remover, a suspension roller mill and a charging hopper, wherein the charging hopper is connected with the suspension roller mill through a belt corridor; the electrostatic ore separator is connected with the concentrate storage through a pipe chain machine, and the dust remover is connected with the tailing storage through a pipe chain machine.
preferably, the static ore dressing ware includes the ore dressing ware box, and ore dressing ware box front end is equipped with the smoke box that admits air, and ore dressing ware box downside is equipped with the concentrate ash bucket, and the inside a plurality of negative plate that is equipped with of ore dressing ware box is equipped with the positive pole line between per two negative plates, and negative plate one side is equipped with the concentrate and shakes the structure.
Preferably, the dust remover comprises a dust remover box body, the rear end of the dust remover box body is provided with an air outlet smoke box, and the lower side of the dust remover box body is provided with a tailing ash bucket.
Preferably, a plurality of anode plates are arranged in the dust remover box body, a cathode wire is arranged between every two anode plates, and a tailing rapping structure is arranged on one side of each anode plate.
Preferably, a plurality of filter bags are arranged inside the dust remover box body.
Preferably, the tail gas treatment system comprises a tail gas absorption tower and a tail gas discharge port connected with the tail gas absorption tower.
To sum up, the utility model discloses an electrostatic ore dressing device, its core part comprises two sections electrostatic ore dressing wares and dust remover, and the corona phenomenon takes place for dirty gas under the effect of electric field, with the dust ionization, according to metal ion and nonmetal ion nature difference, makes ion formation time, migration speed and electric field force different, through the electric field intensity and the air current speed of controlling every section, makes the earlier deposit of metal ion at electrostatic ore dressing ware, and the deposit of nonmetal ion is at the dust remover to make the purpose that the electrostatic ore dressing was realized to the enrichment of metal ion.
The device is an innovative mineral separation technology which is invented by utilizing the positive charge characteristic of metal ions and the theoretical basis that dust generates corona under an electric field to ionize the dust, adopting an electrodeposition technology and finding a new route for mineral separation and industrial solid waste treatment of metallurgical mines, and simultaneously finding a way for refractory ores which have low dissociation degree of rock and ore, are intergrown or wrapped by gangue and have small embedded granularity of which the minerals are distributed over 10 mu m. The device can simplify the mineral separation process, improve the efficiency, simplify the construction, reduce the investment and realize the simplification and environmental protection of the mineral separation process of the refractory ores.
Drawings
Fig. 1 is a top view of the electrostatic ore dressing device of the present invention;
Fig. 2 is a front view of the electrostatic ore dressing device of the present invention;
Fig. 3 is a left side view of the electrostatic ore dressing device of the present invention;
FIG. 4 is a schematic structural view of an electrostatic concentrator and a dust collector according to embodiment 1;
Fig. 5 is a schematic structural view of an electrostatic concentrator and a dust collector in embodiment 2.
in the figure: 1-electrostatic ore separator, 11-separator box, 12-air inlet smoke box, 13-concentrate ash bucket, 14-cathode plate, 15-anode line, 16-concentrate vibrating structure, 2-dust separator, 21-dust separator box, 22-air outlet smoke box, 23-tailing ash bucket, 24-anode plate, 25-cathode line, 26-tailing vibrating structure, 27-filter bag, 3-suspension roller mill, 4-feed hopper, 5-belt gallery, 6-air supply pipeline, 7-tail gas treatment system, 71-tail gas absorption tower, 72-tail gas discharge port, 8-pipe chain machine, 9-concentrate warehouse, 10-tailing warehouse
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
specific example 1:
As shown in fig. 1 to 5, the electrostatic ore dressing device of the present invention includes an electrostatic ore dressing device 1, a dust collector 2, a suspension roller mill 3 and a feeding hopper 4, wherein the feeding hopper 4 is connected with the suspension roller mill 3 through a belt corridor 5, the suspension roller mill 3 is connected with the electrostatic ore dressing device 1 through an air supply pipeline 6, the electrostatic ore dressing device 1 is connected with an air inlet smoke box 12 of the dust collector 2, and the dust collector 2 is connected with a tail gas treatment system 7; the electrostatic ore separator 1 is connected with a concentrate storage 9 through a pipe chain machine 8, and the dust remover 2 is connected with a tailing storage 10 through the pipe chain machine 8.
Static ore dressing ware 1 includes ore dressing ware box 11, and 11 front ends of ore dressing ware box are equipped with air inlet smoke box 12, and 11 downside of ore dressing ware box are equipped with concentrate ash bucket 13, and ore dressing ware box 11 is inside to be equipped with a plurality of negative plate 14, is equipped with positive pole line 15 between per two negative plates 14, and negative plate 14 one side is equipped with concentrate and shakes and beats structure 16.
The dust remover 2 comprises a dust remover box body 21, an air outlet smoke box 22 is arranged at the rear end of the dust remover box body 21, a tailing ash hopper 23 is arranged on the lower side of the dust remover box body 21, a plurality of anode plates 24 are arranged inside the dust remover box body 21, a cathode wire 25 is arranged between every two anode plates 24, and a tailing rapping structure 26 is arranged on one side of each anode plate 24.
the tail gas treatment system 7 comprises a tail gas absorption tower 71 and a tail gas discharge port 72 connected with the tail gas absorption tower 71.
The working principle of the electrostatic ore dressing device of the embodiment is as follows:
(1) Conveying the ore in the feeding hopper to a suspension roller mill through a belt corridor, grinding the ore by the suspension roller mill to a dissociation particle size, conveying the ore to an electrostatic ore separator by a fan, and controlling the concentration of dust;
(2) In the electrostatic ore separator, when a high-voltage electric field formed between a cathode wire connected with a high-voltage direct-current power supply and an anode wire connected with the ground passes through gas containing metal particles and non-metal particles, the gas is ionized because a corona discharge point is generated at a cathode, and at the moment, gas ions with positive electricity move to a cathode plate and gas ions with negative electricity move to an anode under the action of the electric field. The positively charged gas ions collide with the metal particles in motion to positively charge the metal particles, and the positively charged metal particles move toward the cathode plate under the action of the electric field force and are deposited on the cathode plate. The gas ions with negative electricity collide with the nonmetallic particles in the movement, so that the nonmetallic particles are negatively charged, the nonmetallic particles with negative electricity move to the anode line under the action of the electric field force, only a small part of nonmetallic ions are attached to the anode line due to the small attachment area of the anode line, and most of the nonmetallic particles enter the dust remover along with the airflow;
(3) In the dust remover, gas containing non-metal particles passes through a high-voltage electric field formed between a cathode wire connected with a high-voltage direct-current power supply and an anode wire connected with the ground, because a corona discharge point is generated on a cathode, the gas is ionized, at the moment, gas ions with negative electricity move to an anode under the action of the electric field, the gas ions with negative electricity collide with the non-metal particles in the movement, so that the non-metal particles with negative electricity move to an anode plate under the action of the electric field force, the non-metal particles with negative electricity are deposited on the anode plate, and the purified gas is discharged out of the dust remover;
(4) Vibrating the negative plate through a concentrate vibrating and beating structure to enable concentrate to fall off from the negative plate, and then conveying the obtained concentrate to a concentrate warehouse through a pipe chain machine; meanwhile, the anode plate is rapped through a tailing rapping structure, so that tailings fall off from the anode plate, and the obtained tailings are conveyed to a tailing pond through a pipe chain machine.
specific example 2:
as shown in fig. 1 to 3 and 5, the electrostatic ore dressing device of the present invention includes an electrostatic ore dressing device 1, a dust remover 2, a suspension roller mill 3 and a charging hopper 4, wherein the charging hopper 4 is connected with the suspension roller mill 3 through a belt corridor 5, the suspension roller mill 3 is connected with the electrostatic ore dressing device 1 through an air supply pipeline 6, the electrostatic ore dressing device 1 is connected with an air inlet smoke box 12 of the dust remover 2, and the dust remover 2 is connected with a tail gas treatment system 7; the electrostatic ore separator 1 is connected with a concentrate storage 9 through a pipe chain machine 8, and the dust remover 2 is connected with a tailing storage 10 through the pipe chain machine 8.
static ore dressing ware 1 includes ore dressing ware box 11, and 11 front ends of ore dressing ware box are equipped with air inlet smoke box 12, and 11 downside of ore dressing ware box are equipped with concentrate ash bucket 13, and ore dressing ware box 11 is inside to be equipped with a plurality of negative plate 14, is equipped with positive pole line 15 between per two negative plates 14, and negative plate 14 one side is equipped with concentrate and shakes and beats structure 16.
The dust collector 2 comprises a dust collector box body 21, an air outlet smoke box 22 is arranged at the rear end of the dust collector box body 21, a tailing ash hopper 23 is arranged on the lower side of the dust collector box body 21, and a plurality of filter bags 27 are arranged inside the dust collector box body 21.
The tail gas treatment system 7 comprises a tail gas absorption tower 71 and a tail gas discharge port 72 connected with the tail gas absorption tower 71.
The working principle of the electrostatic ore dressing device of the embodiment is as follows:
(1) Conveying the ore in the feeding hopper to a suspension roller mill through a belt corridor, grinding the ore by the suspension roller mill to a dissociation particle size, conveying the ore to an electrostatic ore separator by a fan, and controlling the concentration of dust;
(2) in the electrostatic ore separator, when a high-voltage electric field formed between a cathode wire connected with a high-voltage direct-current power supply and an anode wire connected with the ground passes through gas containing metal particles and non-metal particles, the gas is ionized because a corona discharge point is generated at a cathode, and at the moment, gas ions with positive electricity move to a cathode plate and gas ions with negative electricity move to an anode under the action of the electric field. The positively charged gas ions collide with the metal particles in motion to positively charge the metal particles, and the positively charged metal particles move toward the cathode plate under the action of the electric field force and are deposited on the cathode plate. The gas ions with negative electricity collide with the nonmetallic particles in the movement, so that the nonmetallic particles are negatively charged, the nonmetallic particles with negative electricity move to the anode line under the action of the electric field force, only a small part of nonmetallic ions are attached to the anode line due to the small attachment area of the anode line, and most of the nonmetallic particles enter the dust remover along with the airflow;
(3) in the dust remover, gas containing non-metal particles is filtered and collected by a filter bag, and the obtained purified gas is discharged out of the dust remover;
(4) Vibrating the negative plate through a concentrate vibrating and beating structure to enable concentrate to fall off from the negative plate, and then conveying the obtained concentrate to a concentrate warehouse through a pipe chain machine; meanwhile, the anode plate is rapped through a tailing rapping structure, so that tailings fall off from the anode plate, and the obtained tailings are conveyed to a tailing pond through a pipe chain machine.
the embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made thereto within the knowledge of those skilled in the art.
Claims (6)
1. The electrostatic ore dressing device is characterized by comprising an electrostatic ore dressing device (1), a dust remover (2), a suspension roller mill (3) and a feeding hopper (4), wherein the feeding hopper (4) is connected with the suspension roller mill (3) through a belt corridor (5), the suspension roller mill (3) is connected with the electrostatic ore dressing device (1) through an air supply pipeline (6), the electrostatic ore dressing device (1) is connected with an air inlet smoke box (12) of the dust remover (2), and the dust remover (2) is connected with a tail gas treatment system (7); the electrostatic ore dressing device (1) is connected with a concentrate storage (9) through a pipe chain machine (8), and the dust remover (2) is connected with a tailing storage (10) through the pipe chain machine (8).
2. The electrostatic ore dressing device according to claim 1, characterized in that the electrostatic ore dressing device (1) comprises an ore dressing device box body (11), an air inlet smoke box (12) is arranged at the front end of the ore dressing device box body (11), a concentrate ash hopper (13) is arranged at the lower side of the ore dressing device box body (11), a plurality of cathode plates (14) are arranged inside the ore dressing device box body (11), an anode line (15) is arranged between every two cathode plates (14), and a concentrate rapping structure (16) is arranged on one side of each cathode plate (14).
3. The electrostatic ore dressing device according to claim 1, characterized in that the dust collector (2) comprises a dust collector box body (21), an air outlet smoke box (22) is arranged at the rear end of the dust collector box body (21), and a tailing ash hopper (23) is arranged at the lower side of the dust collector box body (21).
4. The electrostatic ore dressing device according to claim 3, characterized in that a plurality of anode plates (24) are arranged inside the dust collector box body (21), a cathode wire (25) is arranged between every two anode plates (24), and a tailing rapping structure (26) is arranged on one side of the anode plates (24).
5. The electrostatic beneficiation apparatus according to claim 3, wherein the dust collector tank (21) is internally provided with a plurality of filter bags (27).
6. the electrostatic beneficiation plant according to claim 1, wherein the off-gas treatment system (7) comprises an off-gas absorption tower (71) and an off-gas discharge port (72) connected to the off-gas absorption tower (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247646.8U CN209735766U (en) | 2019-02-27 | 2019-02-27 | Electrostatic ore dressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247646.8U CN209735766U (en) | 2019-02-27 | 2019-02-27 | Electrostatic ore dressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209735766U true CN209735766U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920247646.8U Active CN209735766U (en) | 2019-02-27 | 2019-02-27 | Electrostatic ore dressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209735766U (en) |
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2019
- 2019-02-27 CN CN201920247646.8U patent/CN209735766U/en active Active
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