CN114042541A - Flotation device impeller - Google Patents
Flotation device impeller Download PDFInfo
- Publication number
- CN114042541A CN114042541A CN202111410704.2A CN202111410704A CN114042541A CN 114042541 A CN114042541 A CN 114042541A CN 202111410704 A CN202111410704 A CN 202111410704A CN 114042541 A CN114042541 A CN 114042541A
- Authority
- CN
- China
- Prior art keywords
- impeller
- air
- blade
- disperser
- blades
- 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.)
- Pending
Links
- 238000005188 flotation Methods 0.000 title claims abstract description 30
- 238000005192 partition Methods 0.000 abstract description 7
- 238000003756 stirring Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- B03D1/16—Flotation machines with impellers; Subaeration machines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a flotation machine impeller which comprises an upper impeller, a lower impeller and an annular partition plate fixedly connecting the upper impeller and the lower impeller, wherein the upper impeller comprises upper blades and upper air dispersers, the lower impeller comprises lower blades and lower air dispersers, the upper air dispersers are communicated with the lower air dispersers, the upper blades are annularly distributed on the outer side of the upper air dispersers, the lower blades are annularly distributed on the outer side of the lower air dispersers, the upper air dispersers are provided with upper air through holes, and the lower air dispersers are provided with lower air through holes.
Description
Technical Field
The invention relates to the field of ore flotation equipment, in particular to an impeller of a flotation machine.
Background
Flotation is an important method in the process of mineral separation, and a flotation machine is used as core equipment in the flotation process and mainly comprises a driving device, a stirring shaft system, an impeller, a stator and a tank body. The flotation machine mainly disperses and suspends ore particles in the flotation tank through impeller stirring, so that useful minerals collide with bubbles and enter a foam phase along with the bubbles to obtain a concentrate product; besides, the flotation machine impeller also plays a role in bubble generation and dispersion, and is a key component in the flotation machine.
The impeller rotates to cut and disperse air, when the rotating speed of the impeller changes, the size and the dispersion degree of generated bubbles are changed, and the impeller of the flotation machine belongs to a wearing part, so that the service life of the impeller is prolonged, and the surface abrasion of the impeller is reduced. At present, along with the increase of the scale of mines and the advance of the large-scale of flotation equipment, the power consumption and the stability of the flotation machine also need to be paid attention, and the selection of impellers is particularly important.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the impeller of the flotation machine is provided, air can be dispersed, abrasion is reduced, the flotation effect is improved, and the service life of the impeller is prolonged.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides a flotation machine impeller which comprises an upper impeller, a lower impeller and an annular partition plate fixedly connecting the upper impeller and the lower impeller, wherein the upper impeller comprises upper blades and upper air dispersers, the lower impeller comprises lower blades and lower air dispersers, the upper air dispersers are communicated with the lower air dispersers, the upper blades are annularly distributed on the outer side of the upper air dispersers, the lower blades are annularly distributed on the outer side of the lower air dispersers, the upper air dispersers are provided with upper air through holes, and the lower air dispersers are provided with lower air through holes.
Further, the upper air disperser is cylindrical, and the lower air disperser is cylindrical and has a closed end at the lower end.
Furthermore, the upper blade is an airfoil shape, the axial projection of the upper blade is a rectangle, the lower blade is a straight blade, the radial section of the lower blade is in a double-frustum shape, and the thickness of the lower blade is gradually thicker along the radial direction.
Furthermore, the number of the upper blades and the number of the lower blades are respectively 4-8.
Further, the upper air through hole is adjacent to the upper blade, and the lower air through hole is arranged between the two lower blades.
Further, the number of the lower air through holes is 2 times that of the upper air through holes.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
according to the flotation machine impeller provided by the invention, the upper air disperser and the lower air disperser are arranged to play roles in introducing air and dispersing air, the impeller is of a split structure and is convenient to disassemble, assemble, repair and replace, and the upper blade is of a wing shape and is convenient to disperse bubbles and reduce abrasion; the lower blade is gradually thickened along the radial direction of the annular partition plate, the service life of the blade is prolonged, and the flotation effect is improved.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a bottom view of the present invention.
1-upper impeller; 2-lower impeller; 3-annular partition plate; 11-upper blade; 12-upper air disperser; 21-lower blade; 22-lower air disperser; 121-upper air through hole; 221-lower air via.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The impeller of the flotation machine shown in fig. 1 to 3 comprises an upper impeller 1, a lower impeller 2 and an annular partition plate 3 fixedly connecting the upper impeller 1 and the lower impeller 2, wherein the upper impeller 1 comprises an upper blade 11 and an upper air disperser 12, the lower impeller 2 comprises a lower blade 21 and a lower air disperser 22, the upper air disperser 12 is communicated with the lower air disperser 22, the upper blade 11 is annularly distributed and arranged outside the upper air disperser 12, the lower blade 21 is annularly distributed and arranged outside the lower air disperser 22, the upper air disperser 11 is provided with an upper air through hole 121, and the lower air disperser 22 is provided with a lower air through hole 221.
The upper air disperser 12 is cylindrical, the lower air disperser 22 is cylindrical and has a closed end at the lower end, the upper blades 11 are wing-shaped and have a rectangular axial projection, the lower blades 21 are straight blades and have a double-frustum-shaped radial cross section, the thickness of the lower blades 21 is gradually increased along the radial direction, the number of the upper blades 11 and the number of the lower blades 21 are respectively 4-8, the upper air through holes 121 are adjacent to the upper blades 11, the lower air through holes 221 are arranged between the two lower blades 21, and the number of the lower air through holes 221 is 2 times that of the upper air through holes 121.
Specifically, the annular partition plate 3 is provided with pin holes for fixing the upper impeller 1 and the lower impeller 2, the pin holes are arranged between the blades, the rotation direction of the upper impeller 1 is clockwise, the rotation direction of the lower impeller 2 is counterclockwise, the outer diameters of the upper air disperser 12 and the lower air disperser 22 are the same as the inner diameter of the annular partition plate 3, the lower blade 21 is provided with a certain inclination angle along the rotation direction, the front side inclination angle is 10-20 degrees, the rear side inclination angle is increased by 5 degrees compared with the front side, the upper end of the upper air disperser 12 can be provided with a thread opposite to the rotation direction of the main shaft for connecting the impeller and the main shaft, and the self-tightening function is achieved while the impeller is prevented from falling during rotation; the impeller and the main shaft can also be connected by a key groove.
When the impeller is used specifically, air enters an impeller area, the upper impeller 1 mainly plays a role in sucking air and dispersing bubbles, the upper blade 11 is a wing-shaped blade, the windward surface of the upper blade is streamline, liquid flow is easy to form turbulent flow behind the wing-shaped blade, and introduced air flow is dispersed in the turbulent flow area to form bubbles; part of air is sucked and cut by the upper blade 11 to form bubbles, the rest air enters the lower part of the impeller from the lower air disperser 22, the lower impeller 2 mainly plays a role of stirring and uniformly mixing ore pulp, the radial section of the lower blade 21 is in a double-cone frustum shape, the thickness is gradually increased outwards along the radial direction, the blade thickness of the region with larger radial speed is higher, the inner diameter is consistent with the outer diameter of the lower air disperser 22, and air is simultaneously introduced in the stirring process to ensure that the lower impeller 2 can also create a gas-liquid collision condition in the stirring process, so that a layer of relatively smaller bubbles can be attached to the surface of hydrophobic mineral particles in the stirring process, and the flotation in other regions in the flotation tank can be conveniently carried out; annular space bar 3 separates upper and lower impeller, and the stirring and the bubble that have separated the impeller from structural produce, make the different regional effects of impeller more obvious, are favorable to going up the formation of impeller 1 regional interior bubble, alleviate the strong turbulent environment in impeller 2 regional down to the liquid level and the regional influence of upper impeller 1, are favorable to the stability on froth layer, improve the flotation rate of recovery.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (6)
1. A flotation machine impeller characterized in that: including last impeller (1), lower impeller (2) and the annular space bar (3) of fixed connection upper impeller (1) and lower impeller (2), it includes blade (11) and last air disperser (12) to go up impeller (1), lower impeller (2) is including lower blade (21) and lower air disperser (22), go up air disperser (12) and lower air disperser (22) UNICOM, it sets up in last air disperser (12) outside to go up blade (11) annular distribution, lower blade (21) annular distribution sets up in the lower air disperser (22) outside, it is provided with air through hole (121) to go up air disperser (11), air disperser (22) is provided with down air through hole (221).
2. A flotation machine impeller according to claim 1, characterized in that: the upper air disperser (12) is cylindrical, and the lower air disperser (22) is cylindrical and has a closed end at the lower end.
3. A flotation machine impeller according to claim 1, characterized in that: the upper blade (11) is wing-shaped, the axial projection of the upper blade is rectangular, the lower blade (21) is straight, the radial section of the lower blade is in a double-cone frustum shape, and the thickness of the lower blade (21) is gradually thicker along the radial direction.
4. A flotation machine impeller according to claim 3, wherein: the number of the upper blades (11) and the number of the lower blades (21) are respectively 4-8.
5. A flotation machine impeller according to claim 1, characterized in that: the upper air through hole (121) is adjacent to the upper blade (11), and the lower air through hole (221) is arranged between the two lower blades (21).
6. A flotation machine impeller according to claim 5, wherein: the number of the lower air through holes (221) is 2 times that of the upper air through holes (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111410704.2A CN114042541A (en) | 2021-11-24 | 2021-11-24 | Flotation device impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111410704.2A CN114042541A (en) | 2021-11-24 | 2021-11-24 | Flotation device impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114042541A true CN114042541A (en) | 2022-02-15 |
Family
ID=80210880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111410704.2A Pending CN114042541A (en) | 2021-11-24 | 2021-11-24 | Flotation device impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114042541A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2225262C2 (en) * | 2002-03-20 | 2004-03-10 | ОАО "Производственное объединение Усольмаш" | Aeration assembly of a flotation machine |
| CN104826745A (en) * | 2015-06-08 | 2015-08-12 | 北矿机电科技有限责任公司 | Impeller of flotation machine |
| CN205392769U (en) * | 2016-02-19 | 2016-07-27 | 资兴西坌矿业有限公司 | Flotation device impeller |
| CN207287785U (en) * | 2017-09-04 | 2018-05-01 | 合肥万泉非金属矿科技有限公司 | A kind of flotation machine for high purity quartz sand impeller |
| CN109225659A (en) * | 2018-09-25 | 2019-01-18 | 北矿机电科技有限责任公司 | A kind of flotation machine impeller that transport sector width is widened |
| CN212633042U (en) * | 2019-12-30 | 2021-03-02 | 中煤（天津）洗选科技有限公司 | Impeller of forced air suction mechanical stirring flotation machine |
-
2021
- 2021-11-24 CN CN202111410704.2A patent/CN114042541A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2225262C2 (en) * | 2002-03-20 | 2004-03-10 | ОАО "Производственное объединение Усольмаш" | Aeration assembly of a flotation machine |
| CN104826745A (en) * | 2015-06-08 | 2015-08-12 | 北矿机电科技有限责任公司 | Impeller of flotation machine |
| CN205392769U (en) * | 2016-02-19 | 2016-07-27 | 资兴西坌矿业有限公司 | Flotation device impeller |
| CN207287785U (en) * | 2017-09-04 | 2018-05-01 | 合肥万泉非金属矿科技有限公司 | A kind of flotation machine for high purity quartz sand impeller |
| CN109225659A (en) * | 2018-09-25 | 2019-01-18 | 北矿机电科技有限责任公司 | A kind of flotation machine impeller that transport sector width is widened |
| CN212633042U (en) * | 2019-12-30 | 2021-03-02 | 中煤（天津）洗选科技有限公司 | Impeller of forced air suction mechanical stirring flotation machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107971143B (en) | A kind of bilobed wheel mechanical stirring self-suction type flotation machine and method for floating | |
| CN105289346B (en) | Jet medicament disperse system and fine coal particle pulp mixing modification equipment applying same | |
| CN205462755U (en) | Ore dressing floatation device | |
| CN113499861B (en) | Coarse particle flotation equipment and method with turbulent flow and steady flow being fluidized cooperatively | |
| CN109225659B (en) | Flotation machine impeller with widened transportation area | |
| CN107159471B (en) | Has ore pulp from driving and the floatation equipment of self-priming airway dysfunction | |
| CN205462756U (en) | Counterattack formula annular space sprays stirring formula flotation device of breathing in | |
| CN101439275A (en) | High-efficiency self-suction stirrer | |
| CN204564358U (en) | A kind of injection stream is impacted vane rotary and is stirred self-induced aeration floatation | |
| CN106268579A (en) | A kind of Gas-Liquid Dispersion agitating device | |
| CN101811004A (en) | High efficient self-absorbing type stirrer | |
| CA2875479C (en) | Flotation machine rotor | |
| CN104826745B (en) | A kind of flotation machine impeller | |
| CN209810077U (en) | Gas-solid-liquid three-phase reaction self-suction type impeller structure | |
| CN205095966U (en) | Bilobed wheel agitating unit | |
| CN110614168B (en) | Stirring type flotation machine with jet impeller | |
| CN114042541A (en) | Flotation device impeller | |
| CN105642451A (en) | Reaction type annular jetting air sucking stirring type floatation machine with rectifying device | |
| CN204911816U (en) | Coal slime flotation pan feeding equipment of anticipating | |
| CN204710569U (en) | A kind of flotation machine impeller | |
| CN105289389B (en) | Equipment of deeply slurry mixing and modifying for coal slime | |
| CN109225657B (en) | High concentration flotation device integrated equipment | |
| US9266121B2 (en) | Flotation machine rotor | |
| CN203018211U (en) | Foam discharging device of floatation machine | |
| CN114950744B (en) | Stator and rotor system for floatation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220215 |