CN216538977U - Energy-saving inflatable clean coal flotation device - Google Patents
Energy-saving inflatable clean coal flotation device Download PDFInfo
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- CN216538977U CN216538977U CN202122789935.0U CN202122789935U CN216538977U CN 216538977 U CN216538977 U CN 216538977U CN 202122789935 U CN202122789935 U CN 202122789935U CN 216538977 U CN216538977 U CN 216538977U
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Abstract
The utility model relates to an energy-saving inflatable clean coal flotation device, belonging to the technical field of clean coal flotation; the flotation tank comprises a flotation tank body for flotation of clean coal, wherein an air compressor and a high-pressure sprayer are arranged on the outer side of the flotation tank body, an air inlet is formed in the lower end of the outer side face of the flotation tank body, an air inlet pipeline is arranged at the air inlet and extends into the flotation tank body from the air inlet, a bubble generator is arranged at one end of the air inlet pipeline extending into the flotation tank body, one end of the air inlet pipeline, which is positioned on the outer side of the flotation tank body, is connected with an outlet of the air compressor, one end of the high-pressure sprayer is connected with a medicament containing barrel, and the other end of the high-pressure sprayer is communicated with the air inlet pipeline; the inner part of the bubble generator is provided with a main air hole, the surface of the bubble generator is distributed with tiny air holes, and the air holes are communicated with the main air hole in the bubble generator; the problems that an existing mechanical stirring type clean coal flotation device is high in energy consumption, low in foaming agent utilization rate and complex in later-stage water treatment are solved.
Description
Technical Field
The utility model belongs to the technical field of clean coal flotation, and particularly relates to an energy-saving inflatable clean coal flotation device.
Background
The existing mechanical stirring type clean coal flotation device is provided with a plurality of motors for carrying out physical stirring, so that bubbles required by flotation are generated in a coal washing tank, but the energy consumption consumed by the motors is large, and more energy can be wasted in the clean coal flotation process. Meanwhile, the traditional mechanical stirring type clean coal flotation device can directly add the foaming agent into the coal washing tank, so that the utilization rate of the foaming agent is low, and meanwhile, the treatment process is complex due to more residual foaming agent during the treatment of coal washing water in the later period.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides an energy-saving inflatable clean coal flotation device; the problems that an existing mechanical stirring type clean coal flotation device is high in energy consumption, low in foaming agent utilization rate and complex in later-stage water treatment are solved.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
An energy-saving inflatable clean coal flotation device comprises a flotation tank body for flotation of clean coal, wherein an air compressor and a high-pressure sprayer are arranged on the outer side of the flotation tank body, an air inlet is arranged at the lower end of the outer side face of the flotation tank body, an air inlet pipeline is arranged at the air inlet, the air inlet pipeline extends into the flotation tank body from the air inlet, a bubble generator is arranged at one end, extending into the flotation tank body, of the air inlet pipeline, one end, located on the outer side of the flotation tank body, of the air inlet pipeline is connected with an outlet of the air compressor, one end of the high-pressure sprayer is connected with a medicament containing barrel, and the other end of the high-pressure sprayer is communicated with the air inlet pipeline; the air bubble generator is characterized in that a main air hole is formed in the air bubble generator, and tiny air holes are distributed on the surface of the air bubble generator and communicated with the main air hole in the air bubble generator.
Further, the flotation cell body is hollow structure, and the upper end is provided with the opening, and the upper end exit outside of flotation cell body is provided with foam collection device, foam collection device includes spray water frame, foam collecting groove, concentrate pipe, the foam collecting groove sets up in the upper end exit outside of flotation cell body, the concentrate pipe sets up in the minimum point department of foam collecting groove.
Furthermore, the spray water frame is arranged at the upper part of the flotation tank body, and a water outlet of the spray water frame extends into an opening at the upper end of the flotation tank body.
Furthermore, a feeding pipe and a tailing pipe are respectively arranged at two ends of the flotation tank body.
Furthermore, the inlet end of the high-pressure sprayer is connected with the reagent containing barrel through a reagent input pipeline, and the outlet end of the high-pressure sprayer is communicated with an air inlet pipeline positioned outside the flotation tank body through a high-pressure input pipeline.
Furthermore, the bubble generator is a strip-shaped block structure, one end of the bubble generator is provided with an inlet, the opposite end of the bubble generator is provided with an outlet, the main air hole is arranged between the inlet and the outlet, the main air hole extends in the bubble generator, and the inlet and the outlet of the bubble generator are respectively arranged at the two ends of the main air hole.
Furthermore, the inlet of the bubble generator is connected with the air outlet end of the air inlet pipeline, and the outlet of the bubble generator is provided with a detachable plug cover.
Further, the bubble generator is a fired pottery clay product or a ceramic product, or a nano material product.
Further, the upper end of flotation cell body still is provided with scrapes bubble device, it includes scraper blade, scraper blade transmission, scraper blade support tile seat to scrape the bubble device, scraper blade transmission, scraper blade support tile seat set up respectively in the cell wall upper end of flotation cell body both sides, scraper blade one end and scraper blade transmission fixed connection, the other end rotates with scraper blade support tile seat and is connected.
Furthermore, the one end lateral surface that the flotation cell body was provided with the tailing pipe is provided with the adjustment tank, the tailing pipe sets up inside the adjustment tank, the inside of adjustment tank is provided with the horizontally regulating plate, sliding connection and then the holistic liquid level height of adjustment tank about the regulating plate is inside the adjustment tank.
Compared with the prior art, the utility model has the following beneficial effects:
(1) according to the inflatable clean coal flotation device provided by the utility model, the air compressor is used for replacing a stirring motor in the existing mechanical stirring type clean coal flotation device, the energy consumption required by the air compressor is far less than that consumed by the air compressor, and the energy consumption consumed in the clean coal flotation process can be greatly saved by replacing the stirring motor with the air compressor.
(2) According to the inflatable clean coal flotation device provided by the utility model, the foaming agent is directly pressed into a mist shape by using the high-pressure sprayer, and the atomized foaming agent is directly pumped into the compressed air, so that the foaming agent covers the surface of the bubbles output by the bubble generator, and the foaming agent can be combined with the bubbles to the maximum extent, so that a foaming effect is achieved, the phenomenon that the foaming agent is mixed in coal washing water and cannot foam is reduced as much as possible, and the foaming agent is fully used. Meanwhile, when the coal washing water is treated after the later-stage clean coal flotation is finished, compared with the traditional method that the foaming agent is directly added into the coal washing water, the content of the foaming agent remained in the coal washing water is greatly reduced, the working procedures and cost of the later-stage water treatment can be saved, the pollution to the water environment is small, and the pollution of the coal washing water to equipment is also reduced.
(3) The inflatable clean coal flotation device provided by the utility model has the advantages that the amount of escaped bubbles is large, the granularity is uniform, the bubbles are uniformly separated from each other and cannot be adhered to each other, and compared with the traditional stirring clean coal flotation device, the flotation effect on clean coal is better.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a cross-sectional view of the bubble generator of the present invention;
wherein, 1 is the flotation cell body, 2 is the pan feeding pipe, 3 is the foam collecting vat, 4 is the tailing pipe, 6 is the concentrate pipe, 7 is the air inlet pipeline, 8 is the bubble generator, 9 is the air compressor machine, 10 is the high pressure atomizer, 11 is the medicament splendid attire bucket, 12 is the high pressure input pipeline, 13 is the medicament input pipeline, 14 is main air vent, 15 is the bleeder vent, 16 is the blanking cover, 17 is the governing valve flange, 18 is the regulating plate, 19 is the scraper blade, 20 is scraper blade transmission, 21 is the scraper blade support tile seat.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1-2, the utility model provides an energy-saving inflatable clean coal flotation device, which comprises a hollow flotation tank body 1 with an opening at the upper end, wherein a foam collecting device is arranged at the upper end of one side of the flotation tank body 1, a feeding pipe 2 and a tailing pipe 4 are respectively arranged at two ends of the outer side surface of the flotation tank body 1, the feeding pipe 2 is used for inputting ore pulp into the flotation tank body, and the tailing pipe 4 is used for outputting tailings after flotation.
Foam collection device is prior art, including spray water frame, foam collecting vat 3, concentrate pipe 6, foam collecting vat 3 sets up the outer end at the upper portion outlet side of flotation cell body 1. The bottom surface of the foam collecting tank 3 is of an inclined plane structure, and the concentrate pipe 6 is arranged at the lowest point of the bottom surface of the foam collecting tank 3 and used for outputting the concentrate subjected to flotation. The spray water frame is arranged above the flotation tank body 1, and a water outlet of the spray water frame extends into an upper end opening of the flotation tank body 1.
The upper end of flotation cell body 1 still is provided with scrapes the bubble device, it includes scraper blade 19, scraper blade transmission 20, scraper blade support tile seat 21 to scrape the bubble device, scraper blade 19 includes the axis of rotation that the level set up, and the bilateral symmetry of axis of rotation is provided with two scraper blade bodies, the scraper blade body is parallel and the distance equals with the axis of rotation, the one end of axis of rotation with scraper blade transmission 20 is connected, drives through scraper blade transmission 20 scraper blade 19 rotates to scrape out the foam on the inside liquid level of flotation cell body 1. The scraper blade transmission device 20 is fixedly arranged at the upper end of the left side groove wall of the flotation tank body 1, the scraper blade support tile seat 21 is fixedly arranged at the upper end of the right side groove wall of the flotation tank body 1, and one end, far away from the scraper blade transmission device 20, of the rotating shaft is rotatably connected to the scraper blade support tile seat 21.
The flotation tank is characterized in that an air inlet is formed in the lower end of the outer side face of the flotation tank body 1, an air inlet pipeline 7 is arranged at the air inlet, and the air inlet pipeline 7 extends into the flotation tank body 1 from the air inlet. And an air compressor 9 and a high-pressure sprayer 10 are arranged on the outer side of the flotation tank body 1. One end of the air inlet pipeline 7, which is positioned outside the flotation tank body 1, is an air inlet end, and the air inlet end is connected with an air outlet of an air compressor 9; the end of the air inlet pipeline 7, which is positioned at the inner side of the flotation tank body 1, is an air outlet end, and the air outlet end is provided with a bubble generator 8.
The inlet end of the high-pressure sprayer 10 is connected with the medicament containing barrel 11 through a medicament input pipeline 13, the outlet end of the high-pressure sprayer 10 is communicated with the air inlet pipeline 7 positioned on the outer side of the flotation tank body 1 through a high-pressure input pipeline 12, the high-pressure sprayer 10 draws out the medicament in the medicament containing barrel 11 and presses the medicament into foggy medicament through the high-pressure action of the high-pressure sprayer 10, and the atomized medicament is output to the air inlet pipeline 7 through the high-pressure input pipeline 12. The agent is a foaming agent.
The bubble generator 8 is a strip-shaped block structure, one end of the bubble generator is provided with an inlet, the opposite end of the bubble generator is provided with an outlet, a main air hole 14 is arranged between the inlet and the outlet, the main air hole 14 extends in the bubble generator 8, and the inlet and the outlet of the bubble generator 8 are respectively arranged at the two ends of the main air hole 14. The surface of the bubble generator 8 is distributed with tiny air holes 15, the air holes 15 are communicated with the main air holes 14 inside the bubble generator 8, and high-pressure air inside the main air holes 14 escapes to the outside of the bubble generator 8 through the air holes 15. The inlet of the bubble generator 8 is connected with the air outlet end of the air inlet pipeline 7, the outlet of the bubble generator 8 is provided with a detachable blocking cover 16, and the outlet of the bubble generator 8 is used for cleaning the inside of the bubble generator 8 after the work is finished.
The bubble generator 8 controls how the main air hole 14 extends inside according to the number of bubbles required, and controls the number and diameter of the airing holes 15.
The bubble generator 8 can be a fired pottery clay product or a ceramic product, and can also be made of nano materials.
The working principle of the utility model is as follows:
the slurry is fed from the feed pipe 2 to the interior of the flotation cell 1 and is deposited inside the flotation cell 1. The air compressor 9 outputs compressed air to the air inlet pipeline 7, meanwhile, the high-pressure sprayer 10 pumps out the foaming agent from the agent containing barrel 11 and presses the foaming agent into foggy agent through the high-pressure action of the high-pressure sprayer 10, and the atomized agent is output to the air inlet pipeline 7 through the high-pressure input pipeline 12, so that the compressed air carries the atomized foaming agent into the main air hole 14 of the bubble generator 8, and finally the atomized foaming agent is output to ore pulp deposited inside the flotation tank body 1 through the air holes 15 in the surface of the bubble generator 8.
When compressed air enters the ore pulp in the flotation tank body 1 through the air holes 15 on the surface of the air bubble generator 8, one air bubble is formed, and as the compressed air entering the air bubble generator 8 carries the atomized foaming agent, the surface of the air bubble in the ore pulp entering the flotation tank body 1 is covered with the foaming agent.
The bubbles covered with the foaming agent rise in the ore pulp, the ore pulp entering from the feeding pipe 2 contacts with the rising bubbles after entering the flotation tank body 1, minerals with small particle sizes and part of minerals with medium particle sizes are attached to the bubbles to form mineralized bubbles, the mineralized bubbles rise to the top of the flotation tank body and are subjected to secondary concentration under the action of spray water, and particles with poor quality mechanically carried by the bubbles are removed, so that concentrate particles with good quality are remained.
The foam floating on the surface of the ore pulp is scraped to the outer side of the flotation tank body 1 from an upper outlet of the flotation tank body 1 under the action of the rotating scraper body, meanwhile, concentrate particles overflow out of the outer side of the flotation tank body 1 along with the foam and enter the foam collecting tank 3, the concentrate in the foam collecting tank 3 is finally output from the concentrate pipe 6 and collected and utilized, and tailing particles with large particle size are discharged from the tailing pipe 4 at the lower end of the flotation tank body.
Because the tailing particles in the tailing pipe 4 are discharged into the adjusting tank along with the ore pulp, the height of the adjusting plate 18 can be adjusted by rotating the adjusting valve flange 17, and then the liquid level height in the adjusting tank can be adjusted. The liquid level height in the flotation tank body 1 and the discharge of tailing particles can be adjusted by adjusting the liquid level height in the adjusting tank, and the thickness of a foam layer on the surface of ore pulp is adjusted.
According to the utility model, the air compressor 9 is used for replacing a stirring motor in the conventional mechanical stirring type clean coal flotation device, the energy consumption required by the air compressor is far less than that consumed by the air compressor, and the energy consumption consumed in the clean coal flotation process can be greatly saved by replacing the stirring motor with the air compressor.
According to the utility model, the foaming agent is directly pressed into a mist by using the high-pressure sprayer 10, and the atomized foaming agent is directly pumped into compressed air, so that the surface of bubbles output by the bubble generator is covered with the foaming agent, the foaming agent can be combined with the bubbles to the maximum extent, a foaming effect is achieved, the phenomenon that the foaming agent is mixed in coal washing water and cannot foam is reduced as much as possible, and the full use of the foaming agent is ensured. Meanwhile, when the coal washing water is treated after the later-stage clean coal flotation is finished, compared with the traditional method of directly adding the foaming agent into the coal washing water, the content of the residual foaming agent in the coal washing water is greatly reduced, the working procedures and cost of the later-stage water treatment can be saved, the pollution to the water environment is small, and the pollution of the coal washing water to equipment is also reduced.
The bubble generator 8 provided by the utility model has the advantages of large amount of escaped bubbles, uniform granularity, uniform separation and no adhesion, and has better flotation effect on clean coal compared with the traditional stirring type clean coal flotation device.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides an energy-saving inflatable clean coal flotation device which characterized in that: the flotation device comprises a flotation tank body (1) for flotation of clean coal, wherein an air compressor (9) and a high-pressure sprayer (10) are arranged on the outer side of the flotation tank body (1), an air inlet is formed in the lower end of the outer side face of the flotation tank body (1), an air inlet pipeline (7) is arranged at the air inlet, the air inlet pipeline (7) extends into the flotation tank body (1) from the air inlet, a bubble generator (8) is arranged at one end, extending into the flotation tank body (1), of the air inlet pipeline (7), one end, located on the outer side of the flotation tank body (1), of the air inlet pipeline (7) is connected with an outlet of the air compressor (9), one end of the high-pressure sprayer (10) is connected with a medicament containing barrel (11), and the other end of the high-pressure sprayer is communicated with the air inlet pipeline (7); the air bubble generator (8) is internally provided with a main air hole (14), the surface of the air bubble generator (8) is distributed with tiny air holes (15), and the air holes (15) are communicated with the main air hole (14) in the air bubble generator (8).
2. The energy-saving inflatable clean coal flotation device according to claim 1, wherein: flotation cell body (1) is hollow structure, and the upper end is provided with the opening, and the upper end exit outside of flotation cell body (1) is provided with foam collection device, foam collection device includes spray water frame, foam collecting vat (3), concentrate pipe (6), foam collecting vat (3) set up in the upper end exit outside of flotation cell body (1), concentrate pipe (6) set up in the minimum point department of foam collecting vat (3).
3. The energy-saving inflatable clean coal flotation device according to claim 2, characterized in that: the spray water frame is arranged above the flotation tank body (1), and a water outlet of the spray water frame extends into an upper end opening of the flotation tank body (1).
4. The energy-saving inflatable clean coal flotation device according to claim 1, wherein: and a feeding pipe (2) and a tailing pipe (4) are respectively arranged at two ends of the flotation tank body (1).
5. The energy-saving inflatable clean coal flotation device according to claim 1, wherein: the inlet end of the high-pressure sprayer (10) is connected with the medicament containing barrel (11) through a medicament input pipeline (13), and the outlet end of the high-pressure sprayer (10) is communicated with an air inlet pipeline (7) positioned on the outer side of the flotation tank body (1) through a high-pressure input pipeline (12).
6. The energy-saving inflatable clean coal flotation device according to claim 1, wherein: the bubble generator (8) is of a long strip-shaped block structure, one end of the bubble generator is provided with an inlet, the opposite end of the bubble generator is provided with an outlet, the main air hole (14) is formed between the inlet and the outlet, the main air hole (14) extends in the bubble generator (8), and the two ends of the main air hole (14) are respectively the inlet and the outlet of the bubble generator (8).
7. The energy-saving inflatable clean coal flotation device according to claim 6, wherein: the inlet of the bubble generator (8) is connected with the air outlet end of the air inlet pipeline (7), and the outlet of the bubble generator (8) is provided with a detachable plug cover (16).
8. The energy-saving inflatable clean coal flotation device according to claim 1, wherein: the bubble generator (8) is a fired pottery clay product or a ceramic product or a nano material product.
9. The energy-saving inflatable clean coal flotation device according to claim 1, wherein: the upper end of flotation cell body (1) still is provided with scrapes the bubble device, it includes scraper blade (19), scraper blade transmission (20), scraper blade support tile seat (21) to scrape the bubble device, scraper blade transmission (20), scraper blade support tile seat (21) set up respectively in the cell wall upper end of flotation cell body (1) both sides, scraper blade one end and scraper blade transmission (20) fixed connection, the other end rotates with scraper blade support tile seat (21) to be connected.
10. The energy-saving inflatable clean coal flotation device according to claim 1, wherein: flotation cell body (1) is provided with the one end lateral surface of tailing pipe (4) and is provided with the adjustment tank, tailing pipe (4) set up inside the adjustment tank, the inside of adjustment tank is provided with horizontally regulating plate (18), regulating plate (18) sliding connection and then the holistic liquid level height of adjustment tank about the adjustment tank is inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122789935.0U CN216538977U (en) | 2021-11-15 | 2021-11-15 | Energy-saving inflatable clean coal flotation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122789935.0U CN216538977U (en) | 2021-11-15 | 2021-11-15 | Energy-saving inflatable clean coal flotation device |
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| Publication Number | Publication Date |
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| CN216538977U true CN216538977U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122789935.0U Active CN216538977U (en) | 2021-11-15 | 2021-11-15 | Energy-saving inflatable clean coal flotation device |
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| CN (1) | CN216538977U (en) |
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2021
- 2021-11-15 CN CN202122789935.0U patent/CN216538977U/en active Active
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