CN210207231U - Fluid synergistic enhanced flotation separation device - Google Patents
Fluid synergistic enhanced flotation separation device Download PDFInfo
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- CN210207231U CN210207231U CN201920605496.3U CN201920605496U CN210207231U CN 210207231 U CN210207231 U CN 210207231U CN 201920605496 U CN201920605496 U CN 201920605496U CN 210207231 U CN210207231 U CN 210207231U
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- 238000005188 flotation Methods 0.000 title claims abstract description 80
- 238000000926 separation method Methods 0.000 title claims abstract description 71
- 239000012530 fluid Substances 0.000 title claims abstract description 27
- 230000002195 synergetic effect Effects 0.000 title claims abstract description 8
- 230000033558 biomineral tissue development Effects 0.000 claims abstract description 72
- 239000006260 foam Substances 0.000 claims abstract description 27
- 239000012141 concentrate Substances 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 37
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 18
- 239000011707 mineral Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 9
- 239000003245 coal Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 239000011362 coarse particle Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 230000001089 mineralizing effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
A fluid synergistic enhanced flotation separation device is suitable for flotation of fine mineral particles or coal particles. The ore pulp is fed into the flotation separation releaser, easy-floating particles quickly rise and float, and the easy-floating particles are discharged through a concentrate discharge pipe on a foam tank above the flotation separation releaser; after the medium floatable particles are separated by the flotation separation releaser, part of the medium floatable particles float upwards to a foam tank above the flotation separation releaser and are discharged by a concentrate discharge pipe on the foam tank; the particles which are difficult to float after being separated by the flotation separation releaser enter the middling tailing separator through an ore pulp flow channel between the conical fluid director and the cylinder wall of the flotation separation releaser and are divided into two parts, one part is taken as tailings to be discharged out of the flotation separation releaser, the other part is fed into the turbulence mineralization generator through the circulating pump, and is sprayed into the flotation separation releaser again after being efficiently mineralized to realize circular separation. The flotation device is simple in structure and good in flotation effect.
Description
Technical Field
The utility model relates to a flotation separation device is reinforceed in coordination to fluid, especially is applicable to the fluid of the flotation use of fine mineral particle or coal grain and strengthens flotation separation device in coordination.
Background
Flotation is a method for sorting minerals according to the difference of floatability of the minerals according to the difference of physicochemical properties of the surfaces of the mineral particles, wherein the mineralization process is the most critical and relates to three main processes of collision, adhesion and desorption. Wherein, collision is the basic prerequisite of flotation mineralization and is mainly controlled by fluid dynamics. For fine particles, in order to break through a streamline and make efficient collision with bubbles, a reasonable fluid environment needs to be constructed, for example, collision probability of the fine particles and the bubbles is improved by means of high-turbulence impinging flow and cross flow, so that mineralization effect of the fine particles is enhanced. In addition, for flotation of fine mineral particles, gangue minerals are more likely to enter flotation froth due to entrainment, thereby affecting concentrate product quality. Although the foam clean water has a certain cleaning effect, the effect is not ideal, a reasonable foam clean water flushing structure is difficult to design, and the cleaning process is difficult to optimize and control.
Disclosure of Invention
The technical problem is as follows: aiming at the technical problems, the fluid synergistic enhanced flotation separation device which is simple in structure, good in using effect and capable of effectively mineralizing micro-fine mineral is provided.
The technical scheme is as follows: in order to realize the technical purpose, the utility model discloses a fluid cooperative strengthening flotation separation device, including circulating pump, torrent mineralization generator and flotation separation releaser, the torrent mineralization generator sets up above the flotation separation releaser, the outlet that the ring pump will float the separation releaser is connected with the torrent mineralization generator respectively;
the turbulent mineralization generator comprises a cylinder, a cone frustum with a funnel structure is arranged below the cylinder, an ore pulp distribution pipe is arranged around the cylinder side by side, a plurality of impinging stream mineralization pipes and a plurality of cross-flow mineralization pipes are transversely arranged between the ore pulp distribution pipe and the cylinder, the cross-flow mineralization pipes are connected with the cylinder along the tangential direction, the impinging stream mineralization pipes are radially connected with the cylinder, microbubble generators are arranged on the cross-flow mineralization pipes and the impinging stream mineralization pipes, and an ore pulp jet pipe is arranged below the cone frustum;
the flotation separation releaser is of a cylindrical structure, the lower part of the flotation separation releaser is narrowed to form an inverted terrace structure, the center of the bottom of the flotation separation releaser is provided with a tailing pipe, one side of the tailing pipe is provided with a middling pipe, a foam tank is arranged above the cylindrical structure, the bottom of the foam tank is provided with a concentrate pipe, the cylindrical structure is internally provided with an ultrasonic vibration plate of a vertically placed rectangular structure below the foam tank, a feeding distributor of an annular structure is arranged below the ultrasonic vibration plate, a plurality of spray heads are arranged on the feeding distributor, a sieve plate is arranged below the annular feeding distributor in the cylindrical structure, a conical fluid director is arranged at the inverted terrace structure at the bottom of the cylindrical structure and comprises a counterattack plate, a gap is reserved between the lower part of the counterattack plate and the bottom of the inverted terrace structure, the inverted terrace structure is provided with an inverted cone of which the outline is matched with the inverted terrace structure and, a plurality of flow guide vertical plates with inverted trapezoidal structures are arranged in the inverted cone, the ore pulp jet pipe extends into the cylindrical structure from a foam groove at the top of the flotation separation releaser, penetrates through the ultrasonic vibrating plate, the feeding distributor and the sieve plate and reaches the positions among the plurality of flow guide vertical plates, and the tail end of the ore pulp jet pipe is of a horn structure;
the middling pipe is connected with an inlet of the circulating pump, and an outlet of the circulating pump is connected with the ore pulp distribution pipe.
The impinging stream mineralization pipe and the cross-flow mineralization pipe are both in a Venturi tube structure form; the impinging stream mineralization pipes and the cross-flow mineralization pipes are alternately arranged at intervals; the tangential access directions of the adjacent cross-flow mineralization pipes to the cylinder are opposite; the inner wall of the ore pulp jet pipe is provided with a prismatic turbulence intensifying generator.
Has the advantages that: the fluid cooperative enhanced flotation separation device integrates high-speed impinging stream, cross flow, counter flow and ultrasonic oscillation flow, and the impinging stream and the cross flow generated by the turbulent mineralization generator improve the mineralization effect of particles difficult to float; the counter flow generated by the flotation separation releaser plays a synergistic role in secondary separation, particle suspension strengthening and flotation bubble load improvement; the oscillating flow generated by the rectangular ultrasonic vibrating plate arranged in the upper foam layer of the flotation separator further strengthens the cleaning effect on impurity mineral particles carried in the foam, and improves the concentrate grade.
The utility model provides a method for strengthening mineral flotation separation efficiency and improving concentrate grade by adopting high-speed impinging stream, cross flow, counter flow and ultrasonic oscillation flow, which improves the collision probability of micro particles difficult to float and bubbles through the impinging stream and the cross flow generated by the turbulent mineralization reactor and strengthens the mixed mineralization effect of fine particles; the countercurrent generated by the countercurrent flotation device strengthens the secondary separation of mineral particles, and simultaneously strengthens the synergistic action of coarse particle suspension and improves the flotation bubble load; the cleaning effect on impurity mineral particles carried in the foam is further strengthened through oscillating flow generated by a rectangular ultrasonic vibrating plate in a foam layer at the upper part of the flotation separator, and the concentrate grade is improved. By implementing the device and the method, the mineral flotation separation process is strengthened, and the recovery rate and the product quality of the target minerals are improved.
Drawings
Fig. 1 is a schematic structural diagram of a fluid cooperative enhanced flotation separation device of the present invention.
In the figure: 1-circulating pump, 2-turbulent mineralization generator, 3-foam tank, 4-feeding distributor, 5-flotation separation releaser, 6-ore pulp jet pipe, 7-ultrasonic vibration plate, 8-sieve plate, 9-diversion vertical plate, 10-middling pipe, 11-ore pulp distribution pipe, 12-microbubble generator, 13-impinging stream mineralization pipe, 14-cross-flow mineralization pipe, 15-turbulent intensification generator, 16-concentrate pipe, 17-inverted cone, 18-counterattack plate, 19-tailing pipe, A-feeding distributor inlet, B-tailing pipe outlet and C-concentrate pipe outlet.
Detailed Description
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings:
as shown in fig. 1, the fluid cooperative enhanced flotation separation device is characterized in that: the device comprises a circulating pump 1, a turbulent mineralization generator 2 and a flotation separation releaser 5, wherein the turbulent mineralization generator 2 is arranged above the flotation separation releaser 5, and the outlet of the flotation separation releaser 5 is respectively connected with the turbulent mineralization generator 2 through the circulating pump 1;
the turbulence mineralization generator 2 comprises a cylinder, a cone frustum with a funnel structure is arranged below the cylinder, an ore pulp distribution pipe 11 is arranged around the cylinder side by side, a plurality of impinging stream mineralization pipes 13 and a plurality of cross-flow mineralization pipes 14 are transversely arranged between the ore pulp distribution pipe 11 and the cylinder, the cross-flow mineralization pipes 14 are connected with the cylinder along the tangential direction, the impinging stream mineralization pipes 13 are connected with the cylinder along the radial direction, microbubble generators 12 are respectively arranged on the cross-flow mineralization pipes 14 and the impinging stream mineralization pipes 13, and an ore pulp injection pipe 6 is arranged below the cone frustum; the impinging stream mineralization pipe 13 and the cross-flow mineralization pipe 14 are both in a venturi tube structure form; the impinging stream mineralization pipes 13 and the cross-flow mineralization pipes 14 are alternately arranged at intervals; the tangential access directions of the adjacent cross-flow mineralization pipes 14 to the cylinder are opposite; the inner wall of the ore pulp jet pipe 15 is provided with a prismatic turbulence intensifying generator 15;
the flotation separation releaser 5 is of a cylindrical structure, the lower part of the flotation separation releaser 5 is narrowed to form an inverted terrace structure, the bottom center is provided with a tailing pipe 19, one side of the tailing pipe 19 is provided with a middling pipe 10, a foam tank 3 is arranged above the cylindrical structure, the bottom of the foam tank 3 is provided with a concentrate pipe 16, the cylindrical structure is internally provided with an ultrasonic vibrating plate 7 of a vertically placed rectangular structure below the foam tank 3, a feeding distributor 4 of an annular structure is arranged below the ultrasonic vibrating plate 7, the feeding distributor 4 is provided with a plurality of nozzles, a sieve plate 8 is arranged below the annular feeding distributor 4 in the cylindrical structure, a conical fluid director is arranged at the inverted terrace structure at the bottom of the cylindrical structure and comprises an impact plate 18, a gap is reserved between the lower part of the impact plate 18 and the bottom of the inverted terrace structure, the inverted terrace structure is provided with the same contour matched with the inverted terrace structure, and an inverted cone 17 of an ore pulp flowing channel is reserved between the inverted, a plurality of flow guide vertical plates 9 with inverted trapezoidal structures are arranged in the inverted cone 17, the ore pulp injection pipe 6 extends into the cylinder structure from the foam groove 3 at the top of the flotation separation releaser 5, passes through the ultrasonic vibration plate 7, the feeding distributor 4 and the sieve plate 8 and reaches the positions among the plurality of flow guide vertical plates 9, and the tail end of the ore pulp injection pipe 6 is of a horn structure;
the middling pipe 10 is connected with an inlet of the circulating pump 1, and an outlet of the circulating pump 1 is connected with the pulp distribution pipe 11.
A fluid synergistic enhanced flotation separation method comprises the following steps:
a. firstly, closing a tailing pipe 19, feeding the initial ore pulp after size mixing into a feeding distributor 4 from an inlet A of the feeding distributor 4, spraying the initial ore pulp into a flotation separation releaser 5 through a spray head of the feeding distributor 4, diffusing the initial ore pulp through a sieve plate 8 under the action of gravity, feeding the initial ore pulp into a conical fluid director, flowing into a middling pipe 10 through an ore pulp flow channel between the conical fluid director and the cylindrical wall of the flotation separation releaser 5, and feeding the initial ore pulp into an ore pulp distribution pipe 11 through a circulating pump 1;
b. the ore pulp in the ore pulp distribution 11 is fed into the cylinder through the impinging stream mineralization pipe 13 and the cross flow mineralization pipe 14, square rotational flows in different directions are generated in the cylinder, compressed air is mixed into the ore pulp through the micro-bubble generator 12, so that forced mixing mineralization of particles and micro-bubbles is realized in the turbulent mineralization generator 2, and the ore pulp after forced mixing mineralization is fed into the conical fluid director in the flotation separation releaser 5 through the ore pulp injection pipe 15 at the bottom of the turbulent mineralization generator 2; compressed air is respectively sent into an impinging stream mineralization pipe 13 and a cross-flow mineralization pipe 14 through a micro-bubble generator 12, and forced mixing mineralization of particles and micro-bubbles is realized in the turbulent mineralization generator 2, so that guarantee is provided for subsequent flotation separation;
part of ore pulp carrying difficult-to-float particles enters an ore pulp flow channel between the conical fluid director and the cylindrical wall of the flotation separation releaser 5 from the gap of the conical fluid director, finally enters the middling tailing separator, a tailing pipe 19 is opened, and part of ore pulp entering the middling tailing separator is taken as tailing and is discharged out of the flotation separation releaser 5 through a tailing pipe outlet B of the tailing pipe 19; the other part of the crude ore is used as the middling and is fed into the circulating pump 1 through the middling pipe 10 to be continuously circulated, so that the circulating separation is realized, and meanwhile, the suspension of coarse particles is strengthened and the flotation bubble load is improved;
after being adhered by bubbles, part of ore pulp carrying easily-floating particles improves the rising and floating speed of mineralized bubbles under the action of a counterattack plate 18 and a diversion vertical plate 9 in a conical fluid director, the easily-floating particles float upwards along with the bubbles, are filtered when passing through a sieve plate 8, are discharged from an ore concentrate pipe outlet C of an ore concentrate pipe 16 on a foam tank 3 above a flotation separation releaser 5 after being cleaned by oscillating flow of a rectangular ultrasonic vibration plate 7, and the rest particles and the ore pulp continue to stay in the flotation separation releaser 5;
c. the easy-to-float particles in the ore pulp quickly rise and float, and after impurity mineral particles carried by the easy-to-float particles are cleaned by oscillating flow of the rectangular ultrasonic vibrating plate 7, the easy-to-float particles are discharged from an ore concentrate pipe outlet C of an ore concentrate pipe 16 on the foam tank 3 above the flotation separation releaser 5;
d. the medium floatable particles in the ore pulp are rectified by the sieve plate 8 in the flotation separation releaser 5 to avoid mineralized particles from falling off from bubbles caused by violent ore pulp disturbance in the flotation separation releaser 5, and then the mineralized particles are cleaned by the oscillating flow of the rectangular ultrasonic vibrating plate 7 and discharged by a concentrate pipe 16 on the foam tank 3 above the flotation separation releaser 5.
The specific working process is as follows: a. firstly, feeding the initial ore pulp subjected to size mixing into a flotation separation releaser 5 from an inlet A of a feeding distributor 4, quickly lifting and floating easy-to-float particles, cleaning off entrained impurity mineral particles by oscillating flow of a rectangular ultrasonic vibrating plate 7, and discharging the impurity mineral particles from an outlet C of a concentrate pipe 16 on a foam tank 3 above the flotation separation releaser 5 to form a concentrate product;
b. after the medium floatable particles are separated by the flotation separation releaser 5, part of the medium floatable particles float upwards in the flotation separation releaser 5 after being rectified by a sieve plate 8, and then impurity mineral particles carried by the medium floatable particles are cleaned by oscillating flow of a rectangular ultrasonic vibrating plate 7 and discharged by a concentrate pipe 16 on a foam tank 3 above the flotation separation releaser 5;
c. the particles which are difficult to float after being separated by the flotation separation releaser 5 enter the middling tailing separator through an ore pulp flowing channel between the conical fluid director and the cylindrical wall of the flotation separation releaser 5 and are divided into two parts, one part is used as tailings and is discharged out of the flotation separation releaser 5 through an outlet B of a tailing pipe 19 to form a tailing product; the other part of the ore is used as middling and is fed into a human circulating pump 1 through a middling pipe 10, then fed into an ore pulp distribution pipe 11 of a turbulence mineralization generator 2 through the circulating pump 1, efficiently mineralized by the turbulence mineralization generator 2 and then sprayed into a flotation separation releaser 5 again to realize circular separation, and meanwhile, coarse particle suspension is strengthened and flotation bubble load is improved;
d. compressed air is respectively sent into the impinging stream mineralization pipe 13 and the cross-flow mineralization pipe 14 through the micro-bubble generator 12, and forced mixing mineralization of particles and micro-bubbles is realized in the turbulent mineralization generator 2, so that guarantee is provided for subsequent flotation separation.
Claims (2)
1. A fluid is flotation separation device of reinforceing in coordination which characterized in that: the device comprises a circulating pump (1), a turbulent mineralization generator (2) and a flotation separation releaser (5), wherein the turbulent mineralization generator (2) is arranged above the flotation separation releaser (5), and the outlet of the flotation separation releaser (5) is respectively connected with the turbulent mineralization generator (2) through the annular pump (1);
the turbulence mineralization generator (2) comprises a cylinder, a cone frustum with a funnel structure is arranged below the cylinder, an ore pulp distribution pipe (11) is arranged around the cylinder side by side, a plurality of impinging stream mineralization pipes (13) and a plurality of cross-flow mineralization pipes (14) are transversely arranged between the ore pulp distribution pipe (11) and the cylinder, the cross-flow mineralization pipes (14) are connected with the cylinder along the tangential direction, the impinging stream mineralization pipes (13) are radially connected with the cylinder, microbubble generators (12) are respectively arranged on the cross-flow mineralization pipes (14) and the impinging stream mineralization pipes (13), and an ore pulp injection pipe (6) is arranged below the cone frustum;
the flotation separation releaser (5) is of a cylindrical structure, the lower part of the flotation separation releaser (5) is narrowed to form an inverted terrace structure, the bottom center is provided with a tailing pipe (19), one side of the tailing pipe (19) is provided with a middling pipe (10), a foam tank (3) is arranged above the cylindrical structure, the bottom of the foam tank (3) is provided with a concentrate pipe (16), the cylindrical structure is provided with an ultrasonic vibration plate (7) of a vertically placed rectangular structure in the lower part of the foam tank (3), a feeding distributor (4) of an annular structure is arranged below the ultrasonic vibration plate (7), a plurality of spray heads are arranged on the feeding distributor (4), a sieve plate (8) is arranged below the annular feeding distributor (4) in the cylindrical structure, a conical fluid director is arranged at the inverted terrace structure at the bottom of the cylindrical structure, the conical fluid director comprises a counterattack plate (18), and a gap is reserved between the lower part of the counterattack plate (18, the inverted terrace structure is provided with an inverted cone (17) with the contour matched with the inverted terrace structure uniformly, an ore pulp flow channel is reserved between the inverted cone (17) and the inverted terrace structure, a plurality of flow guide vertical plates (9) with inverted trapezoidal structures are arranged in the inverted cone (17), the ore pulp jet pipe (6) extends into the cylinder structure from a foam groove (3) at the top of the flotation separation releaser (5) and penetrates through the ultrasonic vibration plate (7), the feeding distributor (4) and the sieve plate (8) until among the plurality of flow guide vertical plates (9), and the tail end of the ore pulp jet pipe (6) is of a horn structure;
the middling pipe (10) is connected with an inlet of the circulating pump (1), and an outlet of the circulating pump (1) is connected with the ore pulp distribution pipe (11).
2. The fluid synergistic enhanced flotation separation device of claim 1, wherein: the impinging stream mineralization pipe (13) and the cross-flow mineralization pipe (14) are both in a Venturi tube structure form; the impinging stream mineralization pipes (13) and the cross-flow mineralization pipes (14) are alternately arranged at intervals; the tangential access directions of the adjacent cross-flow mineralization pipes (14) to the cylinder are opposite; the inner wall of the ore pulp jet pipe (6) is provided with a prismatic turbulence intensifying generator (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920605496.3U CN210207231U (en) | 2019-04-29 | 2019-04-29 | Fluid synergistic enhanced flotation separation device |
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| CN201920605496.3U CN210207231U (en) | 2019-04-29 | 2019-04-29 | Fluid synergistic enhanced flotation separation device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939839A (en) * | 2019-04-29 | 2019-06-28 | 中国矿业大学 | A kind of fluid cooperative reinforcing floatation separator and method |
| CN113102119A (en) * | 2021-05-06 | 2021-07-13 | 山东科技大学 | Inclined ultrasonic flotation bubble strengthening and mineralizing device |
| CN113102117A (en) * | 2021-05-06 | 2021-07-13 | 山东科技大学 | Focusing ultrasonic enhanced flotation bubble mineralization device |
| CN113102118A (en) * | 2021-05-06 | 2021-07-13 | 山东科技大学 | Enhanced mineralization device for separated ultrasonic flotation bubbles |
| CN113102120A (en) * | 2021-05-06 | 2021-07-13 | 山东科技大学 | Multi-frequency ultrasonic flotation bubble strengthening and mineralizing device |
-
2019
- 2019-04-29 CN CN201920605496.3U patent/CN210207231U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939839A (en) * | 2019-04-29 | 2019-06-28 | 中国矿业大学 | A kind of fluid cooperative reinforcing floatation separator and method |
| CN109939839B (en) * | 2019-04-29 | 2023-07-21 | 中国矿业大学 | Fluid collaborative strengthening flotation separation device and method |
| CN113102119A (en) * | 2021-05-06 | 2021-07-13 | 山东科技大学 | Inclined ultrasonic flotation bubble strengthening and mineralizing device |
| CN113102117A (en) * | 2021-05-06 | 2021-07-13 | 山东科技大学 | Focusing ultrasonic enhanced flotation bubble mineralization device |
| CN113102118A (en) * | 2021-05-06 | 2021-07-13 | 山东科技大学 | Enhanced mineralization device for separated ultrasonic flotation bubbles |
| CN113102120A (en) * | 2021-05-06 | 2021-07-13 | 山东科技大学 | Multi-frequency ultrasonic flotation bubble strengthening and mineralizing device |
| CN113102118B (en) * | 2021-05-06 | 2022-05-17 | 山东科技大学 | Enhanced mineralization device for separated ultrasonic flotation bubbles |
| CN113102119B (en) * | 2021-05-06 | 2022-05-17 | 山东科技大学 | Inclined ultrasonic flotation bubble strengthening and mineralizing device |
| CN113102117B (en) * | 2021-05-06 | 2022-05-17 | 山东科技大学 | Focusing ultrasonic enhanced flotation bubble mineralization device |
| CN113102120B (en) * | 2021-05-06 | 2022-05-17 | 山东科技大学 | Multi-frequency ultrasonic flotation bubble strengthening and mineralizing device |
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