CN106902989A - A kind of stirring structure of flotation device - Google Patents

A kind of stirring structure of flotation device Download PDF

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Publication number
CN106902989A
CN106902989A CN201710222490.3A CN201710222490A CN106902989A CN 106902989 A CN106902989 A CN 106902989A CN 201710222490 A CN201710222490 A CN 201710222490A CN 106902989 A CN106902989 A CN 106902989A
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CN
China
Prior art keywords
plate
blade
fixed
stirring structure
hollow shaft
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
Application number
CN201710222490.3A
Other languages
Chinese (zh)
Inventor
李宏
及亚娜
时成帅
张延军
李玉红
仵晓丹
陈薇
于宝强
李国兴
杨鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Dongfang Yanjing Engineering Technology Ltd By Share Ltd
Original Assignee
Beijing Dongfang Yanjing Engineering Technology Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Dongfang Yanjing Engineering Technology Ltd By Share Ltd filed Critical Beijing Dongfang Yanjing Engineering Technology Ltd By Share Ltd
Priority to CN201710222490.3A priority Critical patent/CN106902989A/en
Publication of CN106902989A publication Critical patent/CN106902989A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00Flotation
    • B03D1/14Flotation machines
    • B03D1/16Flotation machines with impellers; Subaeration machines

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention provides a kind of stirring structure of flotation device, including;Stator unit, is fixed in the cell body of flotation device, and the hollow shaft in cell body forms an annular space with interstitial spaces;Rotor unit, in the annular space of the stator unit, including the fixed mount in the hollow shaft is fixed on, and the uniform blade for being fixed on fixed mount circumference, the blade includes a connecting plate, and distinguishes vertically extending upper plate and lower plate round about by the two ends of connecting plate.Impeller in the present invention forms a structure gradually expanded by bottom up portion circumference, admit air into rotor unit reasonable with the spatial distribution of stator unit, air-dispersion is uniform, rotor unit ensures to produce a large amount of tiny bubbles, stator unit that ore slurry mixing and air scattering parameter is determined.

Description

A kind of stirring structure of flotation device
Technical field
Field is sorted the present invention relates to ore, more particularly to a kind of stirring structure of the flotation device for improving stirring efficiency.
Background technology
Flotation device mainly uses the difference of mineral surfaces physicochemical properties a kind of or one group of mineral in ore is had choosing It is attached on bubble to selecting property, rises floating to ore deposit liquid level, so as to valuable mineral is separated with gangue mineral.
The general work mode of flotation device be by the rotation of rotor, make ore pulp in groove from bottom land be drawn onto rotor blade it Between, meanwhile, the low-pressure air fed by air blower through hollow shaft and the air distributor of rotor, also into wherein, ore pulp with it is empty After gas is sufficiently mixed between the blades, released from rotor top, be then mixed with the liquid of bubble and ore pulp in follow-up equipment Carry out the separation of ore and impurity.Difference according to plenum system is subdivided into that mechanical agitation is self-priming and mechanical agitation air pressing type Two classes.
Current inflatable mechanical stirring flotation machine has that aeration quantity is small, bubble is uneven, rotatable parts are easy to wear etc. and lacks Fall into.
The content of the invention
It is well mixed and the nonabradable flotation device of rotatable parts the invention aims to provide a kind of bubble.
Especially, the present invention provides a kind of stirring structure of flotation device, including;
Stator unit, is fixed in the cell body of flotation device, and the hollow shaft in cell body forms one has interstitial spaces Annular space;
Rotor unit, in the annular space of the stator unit, including is fixed on the fixation in the hollow shaft Frame, and the uniform blade for being fixed on fixed mount circumference, the blade include a connecting plate, and from the two ends of connecting plate respectively to The vertically extending upper plate of rightabout and lower plate.
In an embodiment of the invention, the fixed mount is the disc of annular, the excircle of the fixed mount On be provided with the fixing port of indent, the blade is fixed in fixing port using upper plate.
In an embodiment of the invention, the upper plate of the blade is hollow with described towards the side of the hollow shaft There is interval between axle, lower plate is contacted towards the side of the hollow shaft with the hollow shaft.
In an embodiment of the invention, the upper plate is identical with the length of lower plate, and upper plate width be more than under The width of plate.
In an embodiment of the invention, the stator unit includes the base plate of annular, and multiple intervals and The baffle plate on the base plate is vertically fixed on, each baffle plate after fixing is perpendicular to the axis of the hollow shaft.
In an embodiment of the invention, the inner ring of the base plate with diameter greater than the blade fix after formed Circle diameter.
In an embodiment of the invention, the upper plate of the blade after fixing is highly less than the height of the baffle plate Degree, lower plate stretches into the lower section of the base plate.
In an embodiment of the invention, quantity of the quantity of the baffle plate more than the blade.
In an embodiment of the invention, the quantity of the blade is 6, and the quantity of the baffle plate is 16.
In an embodiment of the invention, the outside of the rotor unit is lined with elastomeric material.
Impeller in the present invention forms a structure gradually expanded by bottom up portion circumference, admits air into rotor list Unit is reasonable with the spatial distribution of stator unit, and air-dispersion is uniform, and rotor unit ensures to produce a large amount of tiny bubbles, stator list Unit determines ore slurry mixing and air scattering parameter.Rotor unit can make ore slurry, and uniformly mixing and air fully divide Dissipate, air is dispersed into preferable minute bubbles;Can be small with starting under load, installation power;Impeller axial suction is big, air and ore deposit Slurry is mixed, and internal circulating load is big, and groove inner product sand is few, is conducive to mineralising and flotation.
Brief description of the drawings
Fig. 1 is the structural representation of the stirring structure of the flotation device of one embodiment of the present invention;
Fig. 2 is the stirring structure combining structure schematic diagram of one embodiment of the present invention;
Fig. 3 is the blade construction schematic diagram of one embodiment of the present invention;
Fig. 4 is the fixed rack structure schematic diagram of one embodiment of the present invention;
Fig. 5 is the stator unit structural representation of one embodiment of the present invention;
Fig. 6 is the schematic perspective view compared with 5.
Specific embodiment
As shown in Figure 1, 2, 3, flotation device of the present invention generally comprises the groove for providing ore slurry reaction compartment Body, is movably installed with hollow shaft 30 in cell body, and stirring structure of the present embodiment includes being arranged on cell body in general manner The interior stator unit 10 and rotor unit 20 being stirred to ore slurry.
Stator unit 10 is fixed in cell body, and surrounds an independent space, coordinated with rotor unit 20 with facilitating and More preferable mixing effect is formed to ore slurry, stator unit 10 sets up an annular space for fence type, in annular space Ore slurry can be swapped with the ore slurry outside annular space under the stirring of rotor unit 20.
Rotor unit 20 is arranged in the annular space of stator unit 10, including is fixed on the fixed mount in hollow shaft 30 21, and the blade 23 of the circumference of fixed mount 21 is uniformly fixed on, blade 23 includes a connecting plate 231, and by the two of connecting plate 231 End vertically extending upper plate 232 and lower plate 233 round about respectively, blade 23 are generally shaped as zigzag.After installation In impeller, the upper plate 232 of blade 23 is above, and lower plate 233 is located at lower section, forms one and is gradually increased by bottom to top Structure.Blade 23 is fixed by upper plate 232 with fixed mount 21.
The course of work of the flotation device of present embodiment is as follows:
Hollow shaft 30 is arranged on the axis of cell body, under the drive of motor, can be existed with rotor driven unit 20 High-speed rotation in stator unit 10, the ore slurry in cell body is drawn onto between blade 23 through bottom land from surrounding by the lower end of impeller Cavity, with impeller synchronous rotary, meanwhile, the low-pressure air fed by air blower divides through the air of hollow shaft 30 and rotor unit 20 Orchestration, also into wherein.After ore slurry and air are sufficiently mixed between blade 23, pushed away by the top rotation of rotor unit 20 Go out, then fence type structure current stabilization by stator unit 10 and it is fixed back to cell body in, be then again introduced into rotor unit 20 and enter Row circulation.The bubble that stirring requirement is reached in whipping process, in ore slurry rises to foam stabilization area, by being enriched with Journey, foam flows automatically from downflow weir and overflows, and into foam tank, some ore slurry is again introduced into impeller and is circulated, no Break and mineral laden bubble is formed after re-mixing, repeat said process, and be continuously replenished new ore slurry in the process.
The rotor unit 20 of present embodiment can form strong agitation with stator unit 10, and the air of press-in can be in impeller Center is sufficiently mixed with ore slurry, and is dispersed into small and uniform bubble by impeller, by constantly circulation, can make bubble with Ore particle obtains multiple-contact, forms more mineralized froths and floats.
Stator unit 10 can keep ore pulp laminar flow and turbulent condition when rotor unit 20 works, to be applicable thick respectively Grain and fine granular materials flotation.Preferably, laminar flow is to make coarse granule material and glue to coarse granule material flotation effect under laminar condition Property material success flotation key factor;Fine granular materials flotation then needs turbulent-flow conditions, strong turbulent and interior stream, there is provided Fine granular materials break through froth bed moisture film resistance required for flow velocity.
Rotor unit 20 in present embodiment forms a structure gradually expanded by bottom up portion circumference, makes air Spatial distribution into rotor unit 20 and stator unit 10 is reasonable, and air-dispersion is uniform, and rotor unit 20 ensures to produce largely Tiny bubble, stator unit 10 determines ore slurry mixing and air scattering parameter.Rotor unit 20 can make ore slurry Uniform mixing and air are fully dispersed, and air is dispersed into preferable minute bubbles;Can be small with starting under load, installation power;Leaf Wheel axial suction is big, and air is mixed with ore pulp, and internal circulating load is big, and groove inner product sand is few, is conducive to mineralising and flotation.
As shown in figure 4, in an embodiment of the invention, the fixed mount 21 of fixed blade 23 can be the circle of annular Dish type, middle annular space is used to be passed through for hollow shaft 30, and fixed mount 21 is vertical with central shaft 30, in the cylindrical of fixed mount 21 The fixing port 211 of multiple indents is set on week, and each fixing port 211 is distributed in the even circumferential of fixed mount 21, and blade 23 snaps in this Fixed with fixed mount 21 by welding again after fixing port 211, blade 23 inserts fixing port 211 by upper plate 232, the leaf after fixing Axial line of the piece 23 perpendicular to central shaft 30.
Flowed in the annular chamber that stator unit 10 is formed for convenience of ore slurry, blade 23 is near the side of central shaft 30 Side, by upper plate 232, connecting plate 231 to lower plate 233 can be using vertical angle excessively, and blade 23 is away from the one of central shaft 30 Side, by upper plate 232, connecting plate 231 to lower plate 233 can be excessive using arc.
In an embodiment of the invention, the upper plate 232 of blade 23 can not be with sky towards the side of hollow shaft 30 Heart axle 30 is contacted, and leaves certain interval, and lower plate 233 can be to the axial line of hollow shaft 30 towards the side of hollow shaft 30 Extended line is drawn close.Space between upper plate 232 and hollow shaft 30, can conveniently install fix fixed mount 21 and hollow shaft 30 Structure, such as ring flange.In addition the space can also accommodate more ore slurries, and improve mixing effect.
In an embodiment of the invention, the upper plate 232 of blade 23 and the length of lower plate 233 can be with identical, but upper plate 232 width can be more than the width of lower plate 233.The ore slurry that the structure can be more convenient below cell body is adsorbed to blade 23 top, and stirring region is rapidly entered, the mixing power of stirring ore slurry can be changed by the width for adjusting blade 23 Size.
As shown in Fig. 1,5,6, in an embodiment of the invention, for convenience of installation stator unit 10, the stator list Unit 10 can include a base plate 11 for annular, and multiple baffle plates 12 for being spaced and being vertically fixed on base plate 11, and baffle plate 12 is Platy structure, its width is consistent with the radial width of base plate 11, each baffle plate 12 it is highly consistent, for convenience of ore slurry stream Dynamic, baffle plate 12 can use the curved circular Slipped Clove Hitch structure of internal steel plate and outside line with rubber, each baffle plate 12 after fixing to be located at base plate 11 On the diameter of a circle line of formation., by supporting structure using cell body bottom is bolted to, its center of circle can be with center for base plate 11 The axial line of axle 30 overlaps, and the base plate 11 after fixing is vertical with central shaft 30, but each baffle plate 12 is parallel with central shaft 30.Base plate 11 The distance between bottom and cell body inner bottom part be passage that ore slurry enters the space of rotor unit 20, baffle plate 12 is uniformly fixed In the upper surface of base plate 11, and form the arrangement mode perpendicular to perpendicular bisector.When the ore slurry thrown away in rotor unit 20 is entered When entering stator unit 10, more tiny bubble can be separated by baffle plate 12 and cut into.
In an embodiment of the invention, the diameter of the inner ring of base plate 11 is at least greater than the diameter of rotor unit 20, To facilitate impeller to rotate, and for ore slurry flowing provides enough spaces.
After base plate 11 is fixed, the height of upper plate 232 of blade 23 can be less than the height of baffle plate 12, so that by upper plate 232 The ore slurry for throwing away can be stopped and be cut by baffle plate 12.The lower plate of blade 23 passes through the inner ring of base plate 11 and stretches into base plate 11 Lower section, with guide ore slurry enter rotor unit 20 rotary area.
In an embodiment of the invention, to improve the rotates effe of impeller, while improving cutting for stator unit 10 Effect is cut, the quantity of baffle plate 12 on base plate 11 can be more than the quantity of blade 23.Such as, in one embodiment of the present invention In formula, the quantity of the blade is 6, and the quantity of baffle plate is 16.
Additionally, the abrasion to reduce rotor unit 20 and stator unit 10, rotor unit 20 and stator unit 10 are by steel plate Constitute, outside uniform lining abrasive rubber..
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers all these other variations or modifications.

Claims (10)

1. a kind of stirring structure of flotation device, it is characterised in that including;
Stator unit, is fixed in the cell body of flotation device, and the hollow shaft in cell body forms a ring with interstitial spaces Shape space;
Rotor unit, in the annular space of the stator unit, including is fixed on the fixed mount in the hollow shaft, and The uniform blade for being fixed on fixed mount circumference, the blade includes a connecting plate, and from the two ends of connecting plate respectively to opposite The vertically extending upper plate in direction and lower plate.
2. stirring structure according to claim 1, it is characterised in that
The fixed mount is the disc of annular, and the fixing port of indent, the blade are provided with the excircle of the fixed mount It is fixed in fixing port using upper plate.
3. stirring structure according to claim 1, it is characterised in that
Towards there is interval between the side of the hollow shaft and the hollow shaft, lower plate is towards described hollow for the upper plate of the blade The side of axle contacts with the hollow shaft.
4. stirring structure according to claim 1, it is characterised in that
The upper plate is identical with the length of lower plate, and upper plate width more than lower plate width.
5. stirring structure according to claim 2, it is characterised in that
The stator unit includes a base plate for annular, and multiple baffle plates for being spaced and being vertically fixed on the base plate, Gu Each baffle plate after fixed is perpendicular to the axis of the hollow shaft.
6. stirring structure according to claim 5, it is characterised in that
The circle diameter with diameter greater than formation after blade fixation of the inner ring of the base plate.
7. stirring structure according to claim 5, it is characterised in that
Highly less than the height of the baffle plate, lower plate stretches into the lower section of the base plate to the upper plate of the blade after fixation.
8. stirring structure according to claim 5, it is characterised in that
Quantity of the quantity of the baffle plate more than the blade.
9. stirring structure according to claim 8, it is characterised in that
The quantity of the blade is 6, and the quantity of the baffle plate is 16.
10. stirring structure according to claim 1, it is characterised in that
The outside of the rotor unit is lined with elastomeric material.
CN201710222490.3A 2017-04-07 2017-04-07 A kind of stirring structure of flotation device Pending CN106902989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710222490.3A CN106902989A (en) 2017-04-07 2017-04-07 A kind of stirring structure of flotation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710222490.3A CN106902989A (en) 2017-04-07 2017-04-07 A kind of stirring structure of flotation device

Publications (1)

Publication Number Publication Date
CN106902989A true CN106902989A (en) 2017-06-30

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87102140A (en) * 1987-03-21 1988-10-12 北京矿冶研究总院 Mineral separation flotation machine
CN2214847Y (en) * 1994-08-12 1995-12-13 北京矿冶研究总院 Slurry-sucking inflatable flotation machine impeller
US6308834B1 (en) * 1995-08-17 2001-10-30 Svedala Limited Flotation tank impeller
CN101648165A (en) * 2008-08-12 2010-02-17 中国海洋石油总公司 Slurry suction type mineral flotation machine and application thereof
CN203018215U (en) * 2012-11-22 2013-06-26 金川集团股份有限公司 Mechanical agitation type 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
CN205379982U (en) * 2016-02-19 2016-07-13 资兴西坌矿业有限公司 Thick liquid agitating unit is inhaled to flotation device
CN205392769U (en) * 2016-02-19 2016-07-27 资兴西坌矿业有限公司 Flotation device impeller
CN206642892U (en) * 2017-04-07 2017-11-17 北京东方燕京工程技术股份有限公司 A kind of stirring structure of flotation device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87102140A (en) * 1987-03-21 1988-10-12 北京矿冶研究总院 Mineral separation flotation machine
CN2214847Y (en) * 1994-08-12 1995-12-13 北京矿冶研究总院 Slurry-sucking inflatable flotation machine impeller
US6308834B1 (en) * 1995-08-17 2001-10-30 Svedala Limited Flotation tank impeller
CN101648165A (en) * 2008-08-12 2010-02-17 中国海洋石油总公司 Slurry suction type mineral flotation machine and application thereof
CN203018215U (en) * 2012-11-22 2013-06-26 金川集团股份有限公司 Mechanical agitation type 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
CN205379982U (en) * 2016-02-19 2016-07-13 资兴西坌矿业有限公司 Thick liquid agitating unit is inhaled to flotation device
CN205392769U (en) * 2016-02-19 2016-07-27 资兴西坌矿业有限公司 Flotation device impeller
CN206642892U (en) * 2017-04-07 2017-11-17 北京东方燕京工程技术股份有限公司 A kind of stirring structure of flotation device

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Application publication date: 20170630