CN201692880U - Flotation column without rotary steps - Google Patents
Flotation column without rotary steps Download PDFInfo
- Publication number
- CN201692880U CN201692880U CN2010202345460U CN201020234546U CN201692880U CN 201692880 U CN201692880 U CN 201692880U CN 2010202345460 U CN2010202345460 U CN 2010202345460U CN 201020234546 U CN201020234546 U CN 201020234546U CN 201692880 U CN201692880 U CN 201692880U
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- CN
- China
- Prior art keywords
- stage
- cell body
- flotation column
- shower nozzle
- flotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005188 flotation Methods 0.000 title claims abstract description 46
- 239000007788 liquid Substances 0.000 claims description 28
- 210000005056 cell body Anatomy 0.000 claims description 25
- 239000006260 foam Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 9
- 239000002002 slurry Substances 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 6
- 206010001497 Agitation Diseases 0.000 description 5
- 238000013019 agitation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007667 floating Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a flotation column without rotary steps. Slurry conveyed by a slurry pump and air which is generated by an air compressor and with certain pressure are mixed in the flotation column from top to bottom for two to five times, and then are ejected into the flotation column, so as to fulfill the separation of goal objects and impurities; bubble products serve as the final goal objects; and underflow serves as emission. The flotation column has the advantages of short technological process, large amount of material to be disposed, high sorting efficiency, land conservation, steady manufacturing process, easy control and wide adaptation range, can favorably recover goal materials of various grain grades, and meets the separation process of the goal objects and impurities in flotation.
Description
Technical field
The utility model relates to a kind of device of sorting of granular material, relates in particular to a kind of flotation column.
Background technology
Flotation is that particulate and superfine particle material branch are chosen most widely used, that effect is best a kind of method.Flotation device is an industrial equipment of realizing flotation operation, flotation device of a great variety, difference mainly shows aspects such as inflation mode, agitating device structure, so the difference of using maximum classification at present and being by the inflation mode is divided into two big classes with flotation device, i.e. mechanical agitation type and no mechanical agitation type flotation machine.
Existing at home and abroad a lot of years history of the development of agitation impeller flotator, it is ripe that technology is tending towards.But its intrinsic shortcoming is apparent, and for example: energy consumption height, floor space are big etc.
Not having mechanical agitation type flotation machine most typical is flotation column, compares with agitation impeller flotator, simple in structure, easy to manufacture, advantages such as occupation of land is little, easy to maintenance, processing ease that flotation column has.The tradition flotation column adopts adverse current mineralising mode mostly, and in order to guarantee fully carrying out of bubble mineralization, the cylinder of flotation column generally has 7～8 meters height, and is that have even higher.
For reducing the flotation column height, the outer mineralising modes of reflux type such as eddy flow mineralising, pipe stream mineralising are introduced flotation column, have obtained good result.But because the selective difference of ore, utilizing the also very difficult realization of flotation column once to sort is recyclable useful material.General flotation column process flow process has that a thick essence, slightly sweeps, one thick one single-minded sweeps etc., in the above technological process, must set up corresponding agitating device, charging gear between two flotation columns, setting up of these devices must increase the consumption of the energy of floatation process, increased beneficiation cost.Because bubble mobility is poor in the floatation process, must utilize the foam flushing water to realize the direct motion of foam between two flotation columns, the use of foam flushing water has reduced floatation concentration, has reduced flotation column processed in units amount.
Summary of the invention
In view of this, the deficiency that the purpose of this utility model just exists at above-mentioned prior art provides that a kind of technological process is short, power consumption is low, the no transmission step flotation column of efficiency of separation height, good separation effect.
Above-mentioned purpose realizes by following proposal:
A kind of rotation-free step flotation column, it comprises cell body, foam feeder, bubble collecting tube, shower nozzle, air and liquid mixer and underflow pipe, described foam feeder is located at the top of described column cell body, described bubble collecting tube is opened the bottom at described foam feeder, described shower nozzle is positioned at described column cell body inside, slip is ejected in the described column cell body through described shower nozzle through the gas-liquid mixture that air and liquid mixer mixes with air, described underflow pipe is positioned at the bottom of described column cell body, it is characterized in that:
Described shower nozzle below be provided with at least one stage underflow pipe with the corresponding gas-liquid mixing pump that is connected of described at least one stage underflow pipe, the side that described stage underflow pipe passes described column cell body is connected with described gas-liquid mixing pump, described gas-liquid mixing pump will mix with air via the stage shower nozzle from the underflow that described stage underflow pipe is collected and be ejected in the described column cell body, and have the stage bubble collecting tube above described stage shower nozzle.
According to above-mentioned flotation column, described stage underflow pipe, described gas-liquid mixing pump and described stage shower nozzle are 1-4.
Use this flotation column process flow process short, material handling quantity is big, and efficiency of separation height is saved the area, stable production process and be easy to control.Can fine recovery size fractionated purpose material, satisfy object and separate impurities process in the floatation process, wide accommodation.
Description of drawings
Fig. 1 is the cross-sectional schematic of flotation column of the present utility model;
Fig. 2 is the vertical view of flotation column of the present utility model.
The specific embodiment
With reference to accompanying drawing 1.A kind of no transmission step flotation column, its structure comprises air and liquid mixer 1, shower nozzle 2, cell body 3, foam feeder 4, bubble collecting tube 5, stage underflow pipe 6, gas-liquid mixing pump 7, stage bubble collecting tube 8, underflow pipe 9, stage shower nozzle 10.
The stage that the is provided with underflow pipe 6 of shower nozzle 3 belows and the corresponding gas-liquid mixing pump that is connected 7 with the stage underflow pipe, the side that stage underflow pipe 6 passes cell body 3 is connected with gas-liquid mixing pump 7, gas-liquid mixing pump 7 will mix via stage shower nozzle 10 with air from the underflow that stage underflow pipe 6 is collected and be ejected in the cell body 3, and have the stage bubble collecting tube above stage shower nozzle 10.Fig. 2 is the vertical view of flotation column.
As required, 1-4 gas-liquid mixing pump 7 can be set, after carrying out gas-liquid mixed through the air with certain pressure of the slip 2-5 time the slag stock pump carried and air compressor machine generation from top to bottom in the flotation column like this, injection enters in the flotation column, to realize object and separate impurities, foam product is as the final purpose thing, and underflow is as emission.
During operation, slip mixes with air through air and liquid mixer 1, sprays through shower nozzle 2 to enter cell body 3, slip separates according to hydrophobic difference in flotation cell body 3, the hydrophobicity material rises with bubble, crosses cell body 3 edges and enters foam feeder 4, and being collected by bubble collecting tube 5 becomes froth pulp; Hydrophobic more weak particle descends under the gravity effect, is collected by stage collecting pipe 6, squeezes into cell body 3 once more by gas-liquid mixing pump 7, finish gas-liquid mixed once more, after the gas-liquid mixed, partial material rises under bubbles entrain once more, enters foam feeder 4 by stage bubble collecting tube 6.Through after the gas-liquid mixed repeatedly, hydrophilic materials still can't be discharged through underflow pipe 9 with bubble floating.
Embodiment
Account under the condition of 55%-95% for-0.074mm in fineness behind the ore grinding, the raw ore slurry of concentration 20%-22% directly enters no transmission step flotation column and carries out flotation desilication after raw ore slurry agitator and floating agent effect.Under the prerequisite of fully mineralising and flotation, the concentrate foam overflows from flotation cell without transmission upper end downflow weir, and mine tailing is discharged from underflow.
With Henan low-grade bauxite industrial production pan feeding, its chemical constituent sees the following form 1 respectively:
Table 1
Grinding attachment: ball mill
Classifying equipoment: hydrocyclone
Behind one section closed circuit grinding, hydrocyclone overflow fineness-0.075mm accounts for 85.12%, concentration is that 22.5% ore pulp is in raw ore slurry agitator and floating agent effect, squeeze into no transmission step flotation column by feed pump, sort through one section flotation operation, raw ore slurry is abundant mineralising in no transmission step flotation column, and the concentrate foam overflows from the upper end downflow weir, mine tailing is then discharged from the bottom, and its ore dressing and desiliconizing the results are shown in following table 2:
Table 2
Claims (2)
1. rotation-free step flotation column, it comprises cell body, foam feeder, bubble collecting tube, shower nozzle, air and liquid mixer and underflow pipe, described foam feeder is located at the top of described column cell body, described bubble collecting tube is opened the bottom at described foam feeder, described shower nozzle is positioned at described column cell body inside, slip is ejected in the described column cell body through described shower nozzle through the gas-liquid mixture that air and liquid mixer mixes with air, described underflow pipe is positioned at the bottom of described column cell body, it is characterized in that:
Described shower nozzle below be provided with at least one stage underflow pipe with the corresponding gas-liquid mixing pump that is connected of described at least one stage underflow pipe, the side that described stage underflow pipe passes described column cell body is connected with described gas-liquid mixing pump, described gas-liquid mixing pump will mix with air via the stage shower nozzle from the underflow that described stage underflow pipe is collected and be ejected in the described column cell body, and have the stage bubble collecting tube above described stage shower nozzle.
2. flotation column according to claim 1, described stage underflow pipe, described gas-liquid mixing pump and described stage shower nozzle are 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202345460U CN201692880U (en) | 2010-06-13 | 2010-06-13 | Flotation column without rotary steps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202345460U CN201692880U (en) | 2010-06-13 | 2010-06-13 | Flotation column without rotary steps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201692880U true CN201692880U (en) | 2011-01-05 |
Family
ID=43394125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202345460U Expired - Lifetime CN201692880U (en) | 2010-06-13 | 2010-06-13 | Flotation column without rotary steps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201692880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989591A (en) * | 2011-09-16 | 2013-03-27 | 安德里特斯公开股份有限公司 | Energy-saving flotation equipment and energy-saving flotation method |
-
2010
- 2010-06-13 CN CN2010202345460U patent/CN201692880U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989591A (en) * | 2011-09-16 | 2013-03-27 | 安德里特斯公开股份有限公司 | Energy-saving flotation equipment and energy-saving flotation method |
| CN102989591B (en) * | 2011-09-16 | 2019-05-07 | 安德里特斯公开股份有限公司 | Energy-efficient floatation equipment and energy-efficient method for floating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |