CN110876988B - Cavitation jet flow microbubble flotation column with circulation quantity capable of automatically compensating fluctuation of feeding quantity - Google Patents
Cavitation jet flow microbubble flotation column with circulation quantity capable of automatically compensating fluctuation of feeding quantity Download PDFInfo
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- CN110876988B CN110876988B CN201911266854.3A CN201911266854A CN110876988B CN 110876988 B CN110876988 B CN 110876988B CN 201911266854 A CN201911266854 A CN 201911266854A CN 110876988 B CN110876988 B CN 110876988B
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- 238000005188 flotation Methods 0.000 title claims abstract description 40
- 239000006260 foam Substances 0.000 claims abstract description 31
- 238000005273 aeration Methods 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 12
- 239000012141 concentrate Substances 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003245 coal Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 101150114468 TUB1 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Paper (AREA)
Abstract
The invention belongs to the technical field of coal slime flotation devices, and discloses a cavitation jet flow microbubble flotation column with circulation quantity capable of automatically compensating fluctuation of feeding quantity, which comprises a feeding aeration tank, an upper barrel body and a lower barrel body, wherein a partition plate is arranged in the feeding aeration tank, a plurality of ore pulp distribution ports and a plurality of gas distribution ports which are respectively positioned above and below the partition plate are arranged on the side wall of the feeding aeration tank, and a plurality of bubble generators are connected with the feeding aeration tank through the ore pulp distribution ports and the gas distribution ports; an inner barrel is arranged in the lower barrel body, and an outlet below the bubble generator is arranged in the inner barrel body; the inner barrel is internally provided with a foam reflecting disc, an inverted cone funnel is arranged below the foam reflecting disc, the bottom of the inverted cone funnel is provided with an internal circulation port communicated with the bottom of the inner barrel, the inner barrel is also provided with a fresh ore pulp inlet and a discharge port communicated with a feeding box, and the discharge port is connected with a feeding port on a feeding and inflating tank through a booster pump. The invention improves the sorting effect and the stability thereof.
Description
Technical Field
The invention belongs to the technical field of coal slime flotation devices, and particularly relates to a cavitation jet flow microbubble flotation column with circulation quantity capable of automatically compensating fluctuation of feeding quantity.
Background
The stability of the working condition of the bubble generator has a key effect on the stability of the sorting effect of the micro-bubble flotation machine (column), and because the fluctuation of the flotation feeding amount in an industrial system is a normal state, in order to inhibit the influence of the fluctuation of the feeding amount on the work of the micro-bubble flotation machine (column), the circulation flow and the liquid level in the feeding barrel form a locking control relation, and the liquid level in the feeding barrel is stabilized by adopting a circulation amount adjustment mode, so that the working condition of the feeding pump and the micro-bubble flotation machine is stabilized. The pulp circulation of the micro-bubble flotation machine (column) generally adopts an extracorporeal circulation mode, a feeding barrel is usually arranged in front of the micro-bubble flotation machine (column), circulation materials of the micro-bubble flotation machine (column) enter the feeding barrel through valve control flow, fresh flotation feeding materials and circulation materials are pressurized by a pump to be fed into a micro-bubble flotation machine (column) bubble generator system, when circulation quantity is controlled to be fixed, fluctuation of fresh feeding materials can cause fluctuation of liquid level in the feeding barrel, fluctuation of inlet pressure and outlet pressure of the pump is caused, working conditions of the bubble generator fluctuate due to fluctuation of feeding pressure, and fluctuation of operation working conditions and sorting effects of the micro-bubble flotation machine (column) is caused. Because pan feeding bucket and little bubble flotation machine (post) are two mutually independent equipment, when the fluctuation of pan feeding volume is great, need great circulation flow to complement the steady pan feeding pump operating mode of pan feeding volume, the great circulation flow discharge little bubble flotation machine (post) can lead to little bubble flotation machine (post) liquid level to reduce by a wide margin like this outside the post, to little bubble flotation machine (post) operating mode and sorting effect, can lead to little bubble flotation machine (post) can not normally work when serious. Therefore, a mechanism and a device structure which can balance the insufficient feeding amount through the circulation amount and not influence the normal operation of the micro-bubble flotation machine are sought, and the micro-bubble flotation machine has very important significance for stabilizing and improving the working condition and the sorting effect of the micro-bubble flotation machine (column).
Disclosure of Invention
In order to solve the technical problem that the circulation flow of the traditional microbubble flotation machine (column) cannot effectively balance the fluctuation of the feeding amount and the influence of the circulation flow on the working effect of the microbubble flotation machine (column), the invention provides a method for automatically compensating the fluctuation of the feeding amount by the circulation flow and a cavitation jet flow microbubble flotation column with a device structure.
In order to solve the technical problems, the invention adopts the following technical scheme: the cavitation jet flow microbubble flotation column comprises a feeding aeration tank, an upper barrel body and a lower barrel body, wherein a partition plate is arranged in the feeding aeration tank, a plurality of ore pulp distribution openings and a plurality of gas distribution openings which are respectively positioned above and below the partition plate are arranged on the side wall of the feeding aeration tank, and a plurality of bubble generators are connected with the feeding aeration tank through the ore pulp distribution openings and the gas distribution openings; the periphery of the upper barrel body is provided with a concentrate collecting tank, the lower barrel body is internally provided with an inner barrel, and an outlet below the bubble generator is arranged in the inner barrel; the inner barrel is internally provided with a foam reflecting disc, an inverted cone-shaped funnel is arranged below the foam reflecting disc, the bottom of the inverted cone-shaped funnel is provided with an internal circulation port communicated with the bottom of the inner barrel, a feeding box is formed between the inverted cone-shaped funnel and the bottom of the inner barrel, the inner barrel is also provided with a fresh ore pulp inlet and a discharge port communicated with the feeding box, and the discharge port is connected with a feeding port on a feeding aeration tank through a booster pump.
The cavitation jet flow microbubble flotation column with the circulation quantity capable of automatically compensating for fluctuation of feeding quantity further comprises a bubble pushing cone arranged at the center of the upper barrel body.
A tailing outlet is arranged on one side of the bottom of the lower barrel body, and a tailing pipe and a tailing box are arranged on the tailing outlet.
The reverse cone-shaped funnel is a cone plate fixedly arranged on the side wall of the inner barrel, the foam reflecting disc is a cone plate and is fixedly arranged above the cone-shaped funnel through a plurality of supporting columns, and a gap exists between the edge of the foam reflecting disc and the cone-shaped funnel.
The feeding inflating tank is characterized in that a centralized air supply pipe positioned below the partition plate is further arranged on the feeding inflating tank, an air valve is arranged on the centralized air supply pipe, and the centralized air supply pipe is used for being connected with an air source to supply air to the feeding inflating tank.
The bubble generator comprises a feeding pipe, one end of the feeding pipe is connected with the ore pulp distribution port through an ore pulp pipe, the other end of the feeding pipe is connected with a nozzle, an outlet of the nozzle is connected with an inlet of a throat pipe assembly, the outlet of the nozzle and the inlet of the throat pipe assembly are both arranged in a first expansion pipe, and an air suction port positioned between the nozzle and the throat pipe assembly is arranged on the first expansion pipe; the air suction port is connected with the air distribution port through an air suction pipe; the other end of the first expansion pipe is connected with one end of the second expansion pipe, and the other end of the second expansion pipe is provided with a horn-shaped expansion pipe.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the inverted cone-shaped funnel is arranged at the bottom of the lower barrel body, the ore material is collected through the internal circulation port at the bottom of the inverted cone-shaped funnel, and the collected ore material and fresh ore material are injected into the feed inlet together, so that automatic feeding compensation is performed, stable and normal operation of the microbubble flotation machine (column) under the fluctuation working condition of the feed amount is realized, and the sorting effect and the stability are improved.
Drawings
FIG. 1 is a schematic diagram of a cavitation jet microbubble flotation column with circulation volume capable of automatically compensating for fluctuation of feeding volume;
FIG. 2 is a schematic diagram of a structure for automatically compensating fluctuation of feeding amount of circulation amount in an embodiment of the invention;
FIG. 3 is a schematic view of an intensive feed aeration tank according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a bubble generator according to an embodiment of the present invention;
In the figure: the device comprises a 1-upper barrel body, a 2-lower barrel body, a 3-concentrate collecting tank, a 4-operation platform, a 5-feeding aeration tank, a 6-bubble generator, a 7-feeding valve, an 8-suction pipe, a 9-pulp pipe, a 10-tailing pipe, a 11-tailing box, a 12-fresh pulp inlet, a 13-discharge port, a 14-partition plate, a 15-bottom plate, a 16-feeding port, a 17-pulp distribution port, a 18-gas distribution port, a 19-concentrated air supply pipe, a 20-air valve, a 21-vacuum gauge, a 23-inner barrel, a 24-foam reflecting disc, a 25-inverted cone funnel, a 26-inner circulation port, a 28-foam pushing cone, a 29-tailing outlet, a 30-support column, a 31-feeding pipe, a 32-nozzle, a 33-nozzle seat, a 34-clamp, a 35-throat component, a 36-suction port, a 37-first expansion pipe, a 38-second expansion pipe and a 39-expansion pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below, 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.
As shown in fig. 1-3, the embodiment of the invention provides a cavitation jet micro-bubble flotation column with a circulation volume capable of automatically compensating for fluctuation of feeding volume, which comprises a feeding aeration tank 5, an upper barrel body 1 and a lower barrel body 2, wherein an operation platform 4 is arranged above the upper barrel body 1, and the feeding aeration tank 5 is arranged on the operation platform 4 through a bottom plate 15. A partition plate 14 is arranged in the feeding and inflating tank 5, a plurality of ore pulp distribution ports 17 and a plurality of gas distribution ports 18 which are respectively positioned above and below the partition plate 14 are arranged on the side wall, and a plurality of bubble generators 6 are connected with the feeding and inflating tank 5 through the ore pulp distribution ports 17 and the gas distribution ports 18; the periphery of the upper barrel body 1 is provided with a concentrate collecting tank 3, an inner barrel 23 is arranged in the lower barrel body 2, and an outlet below the bubble generator 6 is arranged in the inner barrel 23; the inner barrel 23 is internally provided with a foam reflecting disc 24, an inverted cone-shaped funnel 25 is arranged below the foam reflecting disc 24, an internal circulation port 26 communicated with the bottom of the inner barrel 23 is arranged at the bottom of the inverted cone-shaped funnel 25, a feeding box is formed between the inverted cone-shaped funnel 25 and the bottom of the inner barrel 23, the inner barrel 23 is also provided with a fresh ore pulp inlet 12 and a discharge port 13 communicated with the feeding box, and the discharge port 13 is connected with a feeding port 16 on the feeding and inflating tank 5 through a booster pump.
Further, as shown in fig. 1, the present embodiment further includes a bubble pushing cone 28 disposed at the center of the upper tub 1. The bottom of the foam pushing cone 28 is in an inverted cone shape, after foam phase ore pulp output from the plurality of bubble generators 6 enters the inner barrel, the foam phase ore pulp is reflected by the foam reflecting disc 24 to form an ascending flow, mineralized bubbles upwards move into the upper barrel body 1 to form a foam layer under the action of buoyancy, and overflow from the upper edge of the upper barrel body 1 into the concentrate collecting tank 3 to form a concentrate product under the action of the foam pushing cone 28.
Further, as shown in fig. 2, a tailings discharge outlet 29 is provided on one side of the bottom of the lower tub 2, and as shown in fig. 1, a tailings pipe 10 and a tailings tank 11 are provided on the tailings discharge outlet 29. The unmineralized pulp is discharged as tailings along the gap between the inner barrel 23 and the outer barrel 22 through the tailings discharge outlet 29, and the tailings pipe 10 and the tailings tank 11 enter the next working process.
Further, in this embodiment, the inverted cone-shaped funnel 25 is a conical plate fixedly disposed on the sidewall of the inner tub 23, and the foam reflecting plate 24 is a conical plate fixedly disposed above the cone-shaped funnel 25 by a plurality of support columns 30, and a gap exists between the edge thereof and the cone-shaped funnel 25.
Further, in this embodiment, the feeding and inflating tank 5 is further provided with a centralized air supply pipe 19 located below the partition 14, the centralized air supply pipe 19 is provided with an air valve 20, and the centralized air supply pipe 19 is used for connecting an air source to supply air to the feeding and inflating tank 5.
Further, as shown in fig. 4, in this embodiment, the bubble generator 6 includes a feeding pipe 31, one end of the feeding pipe 31 is connected to the pulp distribution port 25 through a pulp pipe 9, the other end is connected to a nozzle 32, an outlet of the nozzle 32 is connected to an inlet of a throat assembly 35, the outlet of the nozzle 32 and the inlet of the throat assembly 35 are both disposed in the first expansion pipe 37, and an air suction port 36 between the nozzle 32 and the throat assembly 35 is disposed on the first expansion pipe 37; the air suction port 36 is connected with the air distribution port 18 through an air suction pipe 8, and a check valve is arranged on the air suction pipe 8; the other end of the first expansion pipe 37 is connected to one end of the second expansion pipe 38, and the other end of the second expansion pipe 38 is provided with a flared expansion pipe 39. In this embodiment, the nozzle 33 is of an inverted cone shape, and the interior of the throat assembly 35 is of a throat shape.
Further, in this embodiment, the expansion angle of the expansion pipe 39 is in the range of 0-10 degrees, and the ratio of the height to the expansion outlet is in the range of 1-10. In addition, in this embodiment, the bubble generator 6 further includes a collar 34 and a nozzle holder 33, the nozzle holder 33 is clamped around the nozzle 32, one end of the nozzle holder 33 is fixedly connected with one end of the throat component 35 and one end of the first expansion pipe 37 through bolts, and the other end is fixedly connected with the feeding pipe 31 through the collar 34.
The working process of the invention is as follows: during operation, flotation feeding is pressurized by a pump and then enters the feeding aeration tank 5 through a feeding port 16, the pulp is uniformly distributed to a plurality of bubble generators 6 through a pulp distribution port 17, a feeding valve 7 is arranged on a feeding pipe 9 of each bubble generator 6, negative pressure is formed when pressure pulp flows through a nozzle and a throat pipe of the bubble generator, air is sucked by an air suction pipe 8, a check valve is arranged at the joint of the air suction pipe 8 and the bubble generator 6 to prevent pulp from returning to the air suction pipe when feeding is stopped, and the other end of the air suction pipe 8 is connected with a gas distribution port 18 on the feeding aeration tank 5; the pulp is sucked into air after passing through the bubble generator 6 to form a gas-solid-liquid three-phase flow, the gas-solid-liquid three-phase pulp generates strong fluid mixing when passing through the throat component 35 at high speed, the sucked gas is dispersed into tiny bubbles, secondary injection is formed at the outlet of the throat component 35, the particles of the first expansion pipe 37 and the second expansion pipe 38 of the bubble generator 6 and the lower expansion pipe 39 are subjected to strong collision mineralization with the bubbles, hydrophobic coal particles are selectively attached to the bubbles to form particle bubble attachment bodies, and due to the arrangement of the lower expansion pipe 39, the outflow speed is reduced, the turbulence degree and impact force of the fluid entering the inner barrel 23 are reduced, the falling phenomenon of the particles from the bubbles caused by excessive turbulence is avoided, and coarse particle recovery is facilitated; and the foam phase is reflected by the foam reflecting disk 24 to form upward flow, mineralized bubbles upwards move into the upper barrel body 1 to form a foam layer under the action of buoyancy, overflow the upper edge of the upper barrel body 1 and enter the concentrate collecting tank 3 to become concentrate products, and the outlet arranged at the bottom of the concentrate collecting tank 3 enters the next working procedure. The unmineralized pulp is discharged as tailings along the gap between the inner barrel 23 and the outer barrel 22 through the tailings discharge outlet 29, and the tailings pipe 10 and the tailings tank 11 enter the next working process. Part of ore pulp without bubbles enters a feeding box formed by the bottom of the inner barrel 23 and the inverted cone-shaped funnel 25 through an internal circulation port 26 through a space between the cone-shaped foam reflection disc 24 and the inner barrel 23 and a space between the lower inverted cone-shaped funnel 25 and the cone-shaped foam reflection disc 24, a fresh ore pulp inlet 12 and a discharge port 13 are arranged on the feeding box, fresh ore pulp and circulated ore pulp are output from the discharge port 13 and then enter an ore pulp feeding port 16 of the feeding aeration tank 5 after being pressurized by a pump; since the flow of the discharge port 13 is equal to the sum of the flow of the fresh pulp inlet 12 and the flow of the internal circulation port 26, when the device works, the flow of the discharge port 13 is a set quantity, the set quantity is equal to the working flow of the pressurizing pump in value, and when the flow of the fresh pulp inlet 12 is reduced, the flow of the internal circulation port 26 is automatically increased, and the shortage of the feeding quantity is automatically compensated; when the flow of the fresh ore pulp inlet 12 is increased, the flow of the internal circulation port 26 is automatically reduced, so that the flow of the discharge port 13 meets the requirement of the working flow of the pump, the requirement of the bubble generator of the micro-bubble flotation machine on the working flow is ensured and stabilized, and the cavitation jet flow micro-bubble flotation column is ensured to have a stable working condition.
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 (5)
1. The cavitation jet flow microbubble flotation column is characterized by comprising a feeding aeration tank (5), an upper barrel body (1), a lower barrel body (2) and a bubble pushing cone (28) arranged at the central position of the upper barrel body (1), wherein a partition plate (14) is arranged in the feeding aeration tank (5), a plurality of ore pulp distribution openings (17) and a plurality of gas distribution openings (18) which are respectively arranged above and below the partition plate (14) are arranged on the side wall of the feeding aeration tank, and a plurality of bubble generators (6) are connected with the feeding aeration tank (5) through the ore pulp distribution openings (17) and the gas distribution openings (18); the periphery of the upper barrel body (1) is provided with a concentrate collecting tank (3), an inner barrel (23) is arranged in the lower barrel body (2), and an outlet below the bubble generator (6) is arranged in the inner barrel (23); a foam reflecting disc (24) is arranged in the inner barrel (23), an inverted cone-shaped funnel (25) is arranged below the foam reflecting disc (24), an inner circulation port (26) communicated with the bottom of the inner barrel (23) is arranged at the bottom of the inverted cone-shaped funnel (25), a feeding box is formed between the inverted cone-shaped funnel (25) and the bottom of the inner barrel (23), a fresh ore pulp inlet (12) and a discharge port (13) which are communicated with the feeding box are further arranged on the inner barrel (23), and the discharge port (13) is connected with a feed inlet (16) on a feed inflation tank (5) through a booster pump;
The bottom of the foam pushing cone (28) is in an inverted cone shape, foam phase ore pulp output from the plurality of bubble generators (6) enters the inner barrel (23), and then is reflected by the foam reflecting disc (24) to form an ascending flow, mineralized bubbles upwards move into the upper barrel body (1) to form a foam layer under the action of buoyancy, and overflow from the upper edge of the upper barrel body (1) to enter the concentrate collecting tank (3) to form a concentrate product under the action of the foam pushing cone (28).
2. The cavitation jet microbubble flotation column with the circulation quantity capable of automatically compensating for fluctuation of the feeding quantity according to claim 1, wherein a tailing outlet (29) is arranged on one side of the bottom of the lower bucket body (2), and a tailing pipe (10) and a tailing box (11) are arranged on the tailing outlet (29).
3. The cavitation jet microbubble flotation column with the circulation amount capable of automatically compensating for fluctuation of the feeding amount according to claim 1, wherein the inverted cone funnel (25) is a conical plate fixedly arranged on the side wall of the inner barrel (23), the foam reflecting disc (24) is a conical plate fixedly arranged above the inverted cone funnel (25) through a plurality of supporting columns (30), and a gap exists between the edge of the foam reflecting disc and the inverted cone funnel (25).
4. The cavitation jet microbubble flotation column with the circulation quantity capable of automatically compensating for fluctuation of the feeding quantity according to claim 1, wherein a centralized air supply pipe (19) positioned below the partition plate (14) is further arranged on the feeding aeration tank (5), an air valve (20) is arranged on the centralized air supply pipe (19), and the centralized air supply pipe (19) is used for being connected with an air source to supply air to the feeding aeration tank (5).
5. The cavitation jet microbubble flotation column with the circulation quantity automatically compensating for the fluctuation of the feeding quantity according to claim 1, characterized in that the bubble generator (6) comprises a feeding pipe (31), one end of the feeding pipe (31) is connected with the pulp distribution port (17) through a pulp pipe (9), the other end of the feeding pipe is connected with a nozzle (32), an outlet of the nozzle (32) is connected with an inlet of a throat assembly (35), the outlet of the nozzle (32) and the inlet of the throat assembly (35) are both arranged in a first expansion pipe (37), and an air suction port (36) positioned between the nozzle (32) and the throat assembly (35) is arranged on the first expansion pipe (37); the air suction port (36) is connected with the air distribution port (18) through an air suction pipe (8); the other end of the first expansion pipe (37) is connected with one end of a second expansion pipe (38), and the other end of the second expansion pipe (38) is provided with a horn-shaped expansion pipe (39).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266854.3A CN110876988B (en) | 2019-12-11 | 2019-12-11 | Cavitation jet flow microbubble flotation column with circulation quantity capable of automatically compensating fluctuation of feeding quantity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266854.3A CN110876988B (en) | 2019-12-11 | 2019-12-11 | Cavitation jet flow microbubble flotation column with circulation quantity capable of automatically compensating fluctuation of feeding quantity |
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| CN110876988A CN110876988A (en) | 2020-03-13 |
| CN110876988B true CN110876988B (en) | 2024-06-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113617538B (en) * | 2021-09-01 | 2023-06-02 | 西山煤电(集团)有限责任公司 | Jet flotation machine for coal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2227985Y (en) * | 1995-01-25 | 1996-05-29 | 中国矿业大学 | Self-suction type micro-bubble generator |
| CN104334246A (en) * | 2012-06-01 | 2015-02-04 | 陶氏环球技术有限责任公司 | Cross-flow filtration system including particulate settling zone |
| CN209005951U (en) * | 2018-09-21 | 2019-06-21 | 徐州赛诺石英有限公司 | It is a kind of to realize highly purified quartz sand flotation machine |
| CN211756020U (en) * | 2019-12-11 | 2020-10-27 | 太原睿孚特选煤技术有限公司 | Circulation volume automatic compensation pan feeding volume fluctuation's cavitation jet microbubble flotation column |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU734415B2 (en) * | 1999-01-19 | 2001-06-14 | Jiongtian Liu | Cyclonic-static micro-bubble floatation apparatus and method |
| CN2766961Y (en) * | 2005-01-11 | 2006-03-29 | 李宾 | Rotary stream force field flotation column |
| CN200957378Y (en) * | 2006-09-25 | 2007-10-10 | 湖南省煤炭科学研究所 | Mineralizer of microfoam flotation machine |
| CN201214072Y (en) * | 2006-12-11 | 2009-04-01 | 李宾 | Rotational flow injecting flotation column and flotation unit for pulp rotational flow flotation |
| CN101088623A (en) * | 2007-06-28 | 2007-12-19 | 武汉理工大学 | Mineral floating collecting agent and its prepn process |
| CN101439315B (en) * | 2008-12-17 | 2013-03-13 | 中国铝业股份有限公司 | Flotation cell without transmission |
| CN101757986B (en) * | 2009-12-18 | 2013-03-20 | 中国铝业股份有限公司 | Method for floating bauxite |
| CN202377104U (en) * | 2011-12-28 | 2012-08-15 | 黑龙江科技学院 | Compressed air type floatation machine with short columns |
| CN102989592B (en) * | 2012-12-13 | 2015-05-13 | 广西华锡集团股份有限公司 | Multi-air-stream pulse injection-type floatation machine |
| CN106076659B (en) * | 2016-06-24 | 2018-06-08 | 太原理工大学 | A kind of application method of fine flotation electrolysis microvesicle generators |
| RU2638600C1 (en) * | 2016-09-20 | 2017-12-14 | федеральное государственное бюджетное образовательное учреждение высшего образования "Иркутский национальный исследовательский технический университет" (ФГБОУ ВО "ИРНИТУ") | Device for flotation separation of nano- and microstructures mixture |
| CN108339673B (en) * | 2018-02-10 | 2023-11-21 | 内蒙古科灵时代矿业技术有限公司 | Cavitation jet flow flotation bubble generator and flotation device |
-
2019
- 2019-12-11 CN CN201911266854.3A patent/CN110876988B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2227985Y (en) * | 1995-01-25 | 1996-05-29 | 中国矿业大学 | Self-suction type micro-bubble generator |
| CN104334246A (en) * | 2012-06-01 | 2015-02-04 | 陶氏环球技术有限责任公司 | Cross-flow filtration system including particulate settling zone |
| CN209005951U (en) * | 2018-09-21 | 2019-06-21 | 徐州赛诺石英有限公司 | It is a kind of to realize highly purified quartz sand flotation machine |
| CN211756020U (en) * | 2019-12-11 | 2020-10-27 | 太原睿孚特选煤技术有限公司 | Circulation volume automatic compensation pan feeding volume fluctuation's cavitation jet microbubble flotation column |
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