CN102989591B - Energy-efficient floatation equipment and energy-efficient method for floating - Google Patents
Energy-efficient floatation equipment and energy-efficient method for floating Download PDFInfo
- Publication number
- CN102989591B CN102989591B CN201210342283.9A CN201210342283A CN102989591B CN 102989591 B CN102989591 B CN 102989591B CN 201210342283 A CN201210342283 A CN 201210342283A CN 102989591 B CN102989591 B CN 102989591B
- Authority
- CN
- China
- Prior art keywords
- flotation cell
- flotation
- liquid
- shunts
- unaerated
- 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 - Fee Related
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
- D21B1/325—Defibrating by other means of waste paper de-inking devices
- D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
-
- 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
- B03D1/028—Control and monitoring of flotation processes; computer models therefor
-
- 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
- B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
-
- 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
- B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
-
- 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
- B03D1/24—Pneumatic
- B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biotechnology (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paper (AREA)
- Physical Water Treatments (AREA)
Abstract
The present invention relates to energy-efficient floatation equipments and energy-efficient method for floating.For constituting subject of the present invention from isolating solid matter in liquid, particularly isolate the flotation cell (1) and floatation equipment of impurity and printing color particle from fibrous matter suspension.First inflated in flotation cell (1) according to the present invention shunts (4) and the second shunting (3) of unaerated pro encounters one another respectively, constitutes the mixed zone (11) of high turbulent flow by this method.Method for floating also constitutes subject of the present invention, which is implemented using flotation cell according to the present invention and floatation equipment.The flotation cell and floatation equipment can operate energy savingly, and however can ensure enough inflations in the flotation cell and floatation equipment.
Description
Technical field
For from isolating solid matter in liquid, particularly for isolating impurity and print from fibrous matter suspension
Floatation equipment constitutes subject of the present invention to the flotation cell of brush granules of pigments in other words.
Following method for floating also constitutes subject of the present invention, which utilizes flotation cell according to the present invention in other words
Floatation equipment is implemented.
Background technique
Flotation is the method for separating of physical-chemical, which is applied to different fields.Such as deinking-flotation
Exactly for isolating impurity and printing color particle from the fibrous matter suspension especially manufactured in waste paper pretreatment
Method.This method is associated with the suitable bubble of quantity and size distribution is generated.Hydrophobic or utilize surface-active
Substance carried out hydrophobic processing solid matter as printing color particle or viscosity dirt (gluing impurity) by adhering to
The bubble of property is carried on liquid surface and can be removed there as foam.
It can also be by sorting yield ores etc. in useless, unwanted material by means of flotation.
A large amount of different floatation equipments have been known, EP 1 350 888 discloses the flotation with multiple charging points
Equipment, these charging points are arranged in inside flotation cell and introduce the fibrous matter suspension of inflation via these charging points.This
A little charging points are arranged in a column herein and have common diffuser and common baffle plate.
Flotation becomes the intensive process of relative energy due to the high consumption of pump energy aspect.
The baffle plate disclosed in EP 1 350 888 is essentially served in flow direction by vertically to horizontal deflection, the deflection
With the seondary effect that air and suspension further mix, but the most of of the kinetic energy at this in fluid stream turbulent flow is dissipated
?.
Therefore the reduction of energy requirement and the optimization of room geometry are to be worth pursuing.
Summary of the invention
Therefore the task of the present invention is provide flotation cell and say floatation equipment, the flotation cell and floatation equipment can
It operates energy savingly, and however can ensure enough inflations in the flotation cell and floatation equipment.
This task is solved by following flotation cell, wherein the liquid to flotation is divided at least two shuntings, wherein the
One shunts and is inflated and second shunts and be not inflated, can be flotation cell convey respectively the first of inflation shunt with unaerated the
Two shunt, and the second of the unaerated, which shunts, to be delivered directly under the liquid level of liquid, and are exactly, so that with liquid
First inflated in the flotation cell of body filling shunts substantially pro to shunt with the second of unaerated and meet, thus in this area
The mixed zone of high turbulent flow is constituted in domain, wherein the first of inflation shunts can be via the conveying of the first input channel and unaerated
Second shunt and can convey via the second input channel, wherein the evolution of two input channels is open and is arranged in oppositely
In flotation cell.
Shunting inflate in this way and unaerated is pro impinging one another in flotation cell.Baffle plate is no longer set herein
(Prallplatte), the shunting of more precisely unaerated constitutes " baffle plate " of the shunting of inflation.The shunting of unaerated need not
It must be inflated by the charging point of oneself, substantially need less pump energy in this way.
The composition of the mixed zone impinging one another for leading to high turbulent flow shunted by two.The shunting inflated herein is preferably under
Portion is flowed into flotation cell and pro with the shunting of unaerated and meets, and the shunting of the unaerated is flowed into flotation cell by top
In.
The charging point, it is preferable to use self-priming is inflated in order to shunt to first, which is located at the outside of flotation cell simultaneously
It and in air inlet and energy requirement (pressure loss) is optimal.The shunting of unaerated is free to be flowed by top
Accelerate in flotation cell or using a type of nozzle.
Flotation cell preferably has approximate circle (rund), the cross section of circular.The all directions in circular room
Fluid stream foam has identical path in other words, this not will lead to " non-a defined " deflection and the central charging point at center
It will not be influenced by adjacent charging point.
If the cross section of at least one flotation cell tapers downwardly in vertical direction, it is advantageous.
The invention further relates to the floatation equipments for isolating solid matter from liquid, wherein floatation equipment has more
A flotation cell described above.Single flotation cell is connected herein, thus preceding flotation cell receive pipeline constitute for
The input channel of flotation cell afterwards.
If single flotation cell is stacked arrangement, have the advantage that herein.In this " tower-shaped flotation ", at flotation cell bottom
Portion receives stream and can simply continue to flow in the room being under it.The first shunting to be inflated is being in floating under it herein
It selects and diverges before room and be inflated via charging point.
Difference in height between the liquid level of two rooms for being stacked thirty years of age will meet enough rates of outflow.It then should must
It must be only once by entire injection stream pump to highest level.The component only inflated should must overcome the resistance of charging point,
It thus will be respectively using pump.
Solid matter is isolated from liquid at least one flotation cell by flotation, is especially suspended from fibrous matter
The corresponding method that impurity and printing color particle are isolated in liquid also constitutes subject of the present invention, wherein by the liquid to flotation
Body is divided at least two shuntings, wherein first, which shunts inflated and the second shunting, is not inflated, and the second of unaerated shunts quilt
It is delivered directly under the liquid level of liquid, wherein the first of inflation shunts in the flotation cell filled with liquid substantially
It pro shunts and meets with the second of unaerated, to constitute the mixed zone of high turbulent flow in this region, wherein the of inflation
One shunts the second shunting of stream and unaerated vertically upward in flotation cell vertically flows in flotation cell from top to bottom.
In the implementation of this method having the advantage that, inflation first shunt in flotation cell vertically upward stream and
It shunts and collides with the second of unaerated in flotation cell, the second of the unaerated shunts vertically to be flowed in flotation cell from top to bottom.
If the first shunting is inflated via the charging point outside flotation cell, it is advantageous.
It is preferably provided with multiple flotation cells, wherein the mixed zone of high turbulent flow is constituted in each flotation cell, and wherein,
It is shunted by the first shunting for receiving the inflation that stream constitutes subsequent flotation cell of preceding flotation cell with the second of unaerated.
Detailed description of the invention
By attached drawing, present invention is described below.
Fig. 1 shows (side view) of the signal of flotation cell according to the present invention；
Fig. 2 shows (the side views of the signal of the floatation equipment according to the present invention with multiple flotation cells for being stacked arrangement
Figure)；
Identical appended drawing reference in single figure relates separately to identical component.
Specific embodiment
Flotation cell 1 according to the present invention is shown in FIG. 1.Flotation cell 1 is with liquid 2, for example contaminated fibre to flotation
Tie up the filling of substance suspension.Flotation cell 1 has circular cross section and extends conically upwards in current example.Floating
It selects and is disposed with foam tank 9 in the region on room 1, which circlewise surrounds flotation cell 1.
Two shunt 3 and 14 and enter flotation cell 1.These shunt 3,14 and are made of the liquid 2 to flotation.First shunts 14 warps
It is inflated by the air 15 of charging point 5.Charging point 5 can be for example self-priming charging point, that is, following charging point, at this
It is flowed out to the liquid of flotation by nozzle in charging point and sucks air by Bernoulli effect.
The first of inflation shunts 4 and imports flotation cell 1 by side in other words by lower part via the first input channel 20, to make
The shunting 4 that must be inflated is vertically upward from 22 evolution of the evolution of the first input channel 20 opening.The shunting 3 of unaerated is defeated via second
Enter pipeline 19 to be imported into flotation cell 1 by top.The ease of the evolution opening 21 and the first input channel 20 of second input channel 19
Opening 22 is relatively arranged out.
During operation, the first of inflation shunt 4 and unaerated second to shunt 3 pro impinging one another and then
Constitute the mixed zone 11 of high turbulent flow.Zone of silence and exhaust area 12 are located under the mixed zone 11 of high turbulent flow.Receive pipeline 23 to be located at
Below area 12 on the bottom of flotation cell 1, pipeline is received by this and takes out receiving stream 6.
Collecting region 10 is located on the mixed zone 11 of high turbulent flow, and air can spread and have enough in the accumulation regions
Time flotation froth 8 is constructed on liquid surface 17.Impurity and the flotation froth of printing color particle rich 8 are gathered in
In foam tank 9,7 are overflowed by foam tank discharge.
Fig. 2 shows floatation equipments, and multiple flotation cells 1 are arranged stackedly towerly each other in the floatation equipment.Each
The second of the first shunting 4 and unaerated inflated in this flotation cell 1 shunts 3 and meets.The receiving stream 6 of preceding flotation cell 1 exists
Here the injection 23 of subsequent flotation cell 1 is constituted.This injection 23 is divided into the first shunting 14 and second herein and shunts 3.Then
First, which shunts 14, is charged air 15 by charging point 5.Because first shunts 14 must overcome certain fluid in charging point 5
Flow resistance power, so being disposed with each pump 13 before charging point 5.
In order to meet the second of the unaerated enough rates of outflow for shunting 3, two phases in the current example in Fig. 2
The difference in height 16 between flotation cell 1 that laying up is set is enough.
Each flotation cell 1 receive regulating valve 24 is disposed in pipeline 23, which is adjusted by liquid level regulator 18,
Constant filler height is able to maintain in single flotation cell 1 in this way.
The form of implementation being shown in the accompanying drawings only shows preferred implementation of the invention.The invention also includes other real
Form is applied, for example single flotation cell 1 is disposed adjacently in these forms of implementation.Although the shunting 3 of unaerated is in this room-
Equally next room must be pumped by a room in layout, but be with the smallest head.
Claims (11)
1. the flotation cell for isolating solid matter from liquid by flotation, which is characterized in that the liquid (2) point to flotation
It is at least two shuntings (14,3), wherein the first shunting (14) is inflated and the second shunting (3) is not inflated, and can be flotation
Room (1) conveys the first shunting (4) of inflation respectively and the second of unaerated shunts (3), and the second of the unaerated shunts direct
It is transported under the liquid level of liquid (2), and be exactly, so that the institute in the flotation cell (1) filled with liquid (2)
The first shunting (4) for stating inflation substantially pro shunts (3) with the second of the unaerated and meets, thus in this region
Constitute the mixed zone (11) of high turbulent flow, wherein the first of the inflation shunts (4) and can convey via the first input channel (20)
And the second of the unaerated shunts (3) and can convey via the second input channel (19), wherein two input channels
The evolution opening (22,21) of (20,19) is arranged in oppositely in the flotation cell (1).
2. flotation cell according to claim 1, which is characterized in that the evolution of first input channel (20) is open (22)
It is perpendicularly oriented to and the evolution of second input channel (19) opening (21) is perpendicularly oriented to down.
3. flotation cell according to claim 1 or 2, which is characterized in that the flotation cell (1) has approximate circle cross
Section.
4. flotation cell according to claim 1 or 2, which is characterized in that the flotation cell (1) has circular cross section.
5. flotation cell according to claim 1 or 2, which is characterized in that the cross section of the flotation cell (1) is in vertical direction
On taper downwardly.
6. flotation cell according to claim 1 or 2, which is characterized in that the flotation cell is used for from fibrous matter suspension
In isolate impurity and printing color particle.
7. the floatation equipment for isolating solid matter from liquid by flotation, which is characterized in that the floatation equipment tool
Have multiple according to claim 1 to flotation cell described in one of 6 (1), wherein the single flotation cell (1) is connected, thus
The input channel for receiving pipeline (23) and constituting subsequent flotation cell (1) of preceding flotation cell (1).
8. the method for floating for isolating solid matter from liquid at least one flotation cell by flotation, feature exist
In at least two shuntings (14,3) will be divided into the liquid of flotation (2), wherein first, which shunts (14), is inflated and second point
Stream (3) is not inflated, and the second of unaerated, which shunts, to be delivered directly under the liquid level of liquid (2), wherein first point of inflation
(4) are flowed substantially pro to meet with the second shunting (3) of unaerated in the flotation cell (1) filled with liquid (2), from
And the mixed zone (11) of high turbulent flow is constituted in this region, wherein the first of the inflation shunts (4) in the flotation cell
(1) the second shunting (3) of stream and the unaerated vertically upward vertically flows in the flotation cell (1) from top to bottom in.
9. method for floating according to claim 8, which is characterized in that described first shunts (14) via in the flotation cell
(1) external charging point (5) is inflated.
10. method for floating according to claim 8 or claim 9, which is characterized in that be provided with multiple flotation cells (1), wherein
The mixed zone (11) of the high turbulent flow is constituted in each flotation cell (1), and wherein, by the receiving stream of preceding flotation cell (1)
(6) first of the inflation for subsequent flotation cell (1) the second shunting (3) for shunting (4) and the unaerated is constituted.
11. method for floating according to claim 8 or claim 9, which is characterized in that the method for floating is used for outstanding from fibrous matter
Impurity and printing color particle are isolated in supernatant liquid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA1337/2011 | 2011-09-16 | ||
| ATA1337/2011A AT511455B1 (en) | 2011-09-16 | 2011-09-16 | ENERGY SAVING FLOTATION DEVICE AND ENERGY SAVING FLOTATION PROCESS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102989591A CN102989591A (en) | 2013-03-27 |
| CN102989591B true CN102989591B (en) | 2019-05-07 |
Family
ID=47502712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210342283.9A Expired - Fee Related CN102989591B (en) | 2011-09-16 | 2012-09-14 | Energy-efficient floatation equipment and energy-efficient method for floating |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN102989591B (en) |
| AT (1) | AT511455B1 (en) |
| DE (1) | DE102012107449B4 (en) |
| FI (1) | FI127403B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT513135B1 (en) * | 2013-04-11 | 2014-02-15 | Andritz Ag Maschf | Ventilation device and method with material suction in the injector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5897772A (en) * | 1995-12-22 | 1999-04-27 | Chiang; Shiao-Hung | Multi-stage flotation column |
| CN2431047Y (en) * | 2000-07-07 | 2001-05-23 | 中国矿业大学（北京校区） | Bidirectionally inflating jet flotation column |
| CN2586537Y (en) * | 2002-10-16 | 2003-11-19 | 王怀法 | Two-stage inflatable micro-foam flotation column apparatus |
| EP1375738A1 (en) * | 1999-02-16 | 2004-01-02 | Voith Paper Patent GmbH | Method for removing impurities from an aqueous fibre suspension |
| CN201692880U (en) * | 2010-06-13 | 2011-01-05 | 中国铝业股份有限公司 | Flotation column without rotary steps |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI79953C (en) | 1988-04-28 | 1990-04-10 | Svi Distec Oy | APPARATUR FOER FLOTATIONSANRIKNING. |
| AT411155B (en) | 2002-03-27 | 2003-10-27 | Andritz Ag Maschf | DEVICE FOR SEPARATING SOLIDS FROM LIQUIDS BY FLOTATION |
| DE10327701A1 (en) * | 2003-06-20 | 2005-01-05 | Voith Paper Patent Gmbh | Method and device for flotation of contaminants from an aqueous pulp suspension |
-
2011
- 2011-09-16 AT ATA1337/2011A patent/AT511455B1/en not_active IP Right Cessation
-
2012
- 2012-08-14 DE DE102012107449.6A patent/DE102012107449B4/en not_active Expired - Fee Related
- 2012-09-11 FI FI20125941A patent/FI127403B/en not_active IP Right Cessation
- 2012-09-14 CN CN201210342283.9A patent/CN102989591B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5897772A (en) * | 1995-12-22 | 1999-04-27 | Chiang; Shiao-Hung | Multi-stage flotation column |
| EP1375738A1 (en) * | 1999-02-16 | 2004-01-02 | Voith Paper Patent GmbH | Method for removing impurities from an aqueous fibre suspension |
| CN2431047Y (en) * | 2000-07-07 | 2001-05-23 | 中国矿业大学（北京校区） | Bidirectionally inflating jet flotation column |
| CN2586537Y (en) * | 2002-10-16 | 2003-11-19 | 王怀法 | Two-stage inflatable micro-foam flotation column apparatus |
| CN201692880U (en) * | 2010-06-13 | 2011-01-05 | 中国铝业股份有限公司 | Flotation column without rotary steps |
Also Published As
| Publication number | Publication date |
|---|---|
| AT511455B1 (en) | 2012-12-15 |
| CN102989591A (en) | 2013-03-27 |
| DE102012107449A1 (en) | 2013-03-21 |
| FI20125941A (en) | 2013-03-17 |
| AT511455A4 (en) | 2012-12-15 |
| FI127403B (en) | 2018-05-15 |
| DE102012107449B4 (en) | 2018-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109939839B (en) | Fluid collaborative strengthening flotation separation device and method | |
| CN105562216A (en) | Jet flow pre-flotation type cyclone microbubble flotation column separation equipment and separation method | |
| CN105689155B (en) | Multi-product flotation column separation equipment and method | |
| CN105710997A (en) | Plastic mixture sorting method and apparatus | |
| CN210207231U (en) | Fluid synergistic enhanced flotation separation device | |
| CN108339673B (en) | Cavitation jet flow flotation bubble generator and flotation device | |
| CN102179314A (en) | Sorting device and method for aerating cyclonic micro-bubble flotation column | |
| CN102580861A (en) | Multiple circulating column outside micro-bubble mineralizing flotation column | |
| CN106944264A (en) | A kind of uniform turbulent flow of turbulence level regulates and controls additional grain fluidized bed mineralising floatation equipment | |
| CN102989591B (en) | Energy-efficient floatation equipment and energy-efficient method for floating | |
| CN205462751U (en) | Efflux prefloat formula whirl microbubble flotation column sorting facilities | |
| CN103313796B (en) | Flotation device and method for floating | |
| CN101947500B (en) | Separator integrated with cyclonic separation and cyclonic flotation | |
| CN110369158B (en) | Flotation column device | |
| AU2019443099B2 (en) | Device and method for composite flow enhanced floatation separation | |
| CN113198622B (en) | Micro-bubble secondary mineralization flotation equipment and flotation method | |
| CN206951420U (en) | A kind of uniform turbulent flow of turbulence level regulates and controls additional grain fluidized bed mineralising floatation equipment | |
| CN112474068B (en) | Eddy flotation device for sorting micro-fine particle minerals | |
| CN114260104A (en) | Flotation equipment and flotation method suitable for collecting foam products | |
| CN211463522U (en) | Cavitation jet microbubble flotation machine and cavitation jet bubble generator | |
| CN109290068B (en) | Vertically stacked column flotation device | |
| CN113477412A (en) | High-efficiency energy-saving middling negative pressure circulating jet flow microbubble flotation column | |
| CN211756020U (en) | Circulation volume automatic compensation pan feeding volume fluctuation's cavitation jet microbubble flotation column | |
| CN110876988B (en) | Cavitation jet flow microbubble flotation column with circulation quantity capable of automatically compensating fluctuation of feeding quantity | |
| CN204276165U (en) | Foam return device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20210914 |