CN107159471A - Possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction - Google Patents
Possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction Download PDFInfo
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- CN107159471A CN107159471A CN201710446149.6A CN201710446149A CN107159471A CN 107159471 A CN107159471 A CN 107159471A CN 201710446149 A CN201710446149 A CN 201710446149A CN 107159471 A CN107159471 A CN 107159471A
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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
- B03D1/1456—Feed mechanisms for the slurry
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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
- B03D1/16—Flotation machines with impellers; Subaeration machines
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Abstract
Sized mixing flotation process field the present invention relates to coal slime, and in particular to a kind of possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction.The present invention is including flotation cell and for realizing the shunt assembly of jet mixing function, the high-pressure jet assembly for realizing turbulent mixture function and the lower mixing component of mixed function being stirred for realizing.The present invention integrates ore pulp mixing and flotation function, and possess that energy consumption is low, maintenance capacity is low, the advantage of Self inhaling and good separation effect, can be while the efficient and controllable efficient flotation separation demand for realizing ore pulp, the equipment investment of coal preparation plant's early stage can also be reduced, so as to effectively reduce the real cost of production of coal preparation plant.
Description
Technical field
Sized mixing flotation process field the present invention relates to coal slime, and in particular to one kind possesses that ore pulp is self-driven and self-priming airway dysfunction
Floatation equipment.
Background technology
Floatation is most important interface method for separating, the comprehensive profit of the separating flotation, complex ore in polymetallic ore
It is even more that -0.1mm coal slimes uniquely have with being widely applied in the fields such as, iron ore flotation and non-metallic ore flotation
The method for separating of effect.The theoretical foundation of various floatation process is substantially the same, i.e., ore particle is because of the hydrophobic property of its own face or through floating
Select hydrophobic (the close gas or oil) characteristic obtained after pharmacy effect so that it is existing that in liquid-gas or water-oil interface aggregation can occur for ore particle
As.Most widely used at present is froth flotation method, including below scheme：1), ore makes various mineral solutions through crushing with grinding
From into monomer particle, and granular size is set to meet floatation process requirement.2) various floating agents, are added simultaneously to the ore pulp after ore grinding
Stirring reconciles, and makes to act on mineral grain, to expand the intergranular floatability difference of different minerals.3) the ore pulp feeding, mixed up
Flotation cell, stirring inflation.4) ore particle and bubble contact, in ore pulp, collision, the good ore particle of floatability are selectively adhered to gas
Steeping and being carried to rise turns into the mineralized froth layer that airwater mist cooling is constituted, and is overflowed through machinery scraping or from mineral slurry level, then take off
Water, it is dried to concentrate product.The mineral grains such as not floaty gangue, are arranged with ore pulp from flotation trench bottom as product from failing
Go out.
Flotation device used in froth flotation method, is divided into mechanical agitation type and without machinery by the difference of inflation and agitating mode
The major class of stirring-type two.Agitation impeller flotator is had the history of last 100 yearses by ore dressing to coal separation, it can be floating using the most remote
Groove is selected to provide turbulent environment, but shortcoming is that energy consumption is big and maintenance capacity is big.Inflatable is also known as without agitation impeller flotator to float
Machine is selected, uses pump to provide energy for ore pulp, it is scattered by the jet of ore pulp, collision, enough air are drawn, have the disadvantage that needs are matched somebody with somebody
The pump of set, and energy consumption is big.Meanwhile, on-mechanical agitation type flotation machine is due to that will ensure enough ore deposit amount flow and inspiratory capacity so that
Flotation cell flow field usually excessive turbulence, can cause the particle of mineralising to be come off in floating-upward process, so as to influence flotation to imitate
Really.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art there is provided a kind of simple in construction and practical to possess ore deposit
Self-driven and self-priming airway dysfunction the floatation equipment of slurry, it integrates ore pulp mixing and flotation function, and possesses that energy consumption is low, repair
Measure the advantage of low, Self inhaling and good separation effect, can while the efficient and controllable efficient flotation separation demand for realizing ore pulp,
The equipment investment of coal preparation plant's early stage can also be reduced, so as to effectively reduce the real cost of production of coal preparation plant.
To achieve the above object, present invention employs following technical scheme：
A kind of possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction, it is characterised in that：This equipment includes flotation cell
And the stirring system in flotation cell, and stirring system at least include be used for realize jet mixing function shunt assembly,
For realizing the high-pressure jet assembly of turbulent mixture function and the lower mixing component of mixed function being stirred for realizing；Wherein：
Shunt assembly includes the housing for possessing hollow cavity, and housing tip, which runs through, to be opened up charging hole to connect main ore pulp pipe
Road, housing bottom is extended more than twice and connects the isocon of housing cavity, and the discharge end of each isocon is fixed in jet
At the entrance point of shower nozzle；
High-pressure jet assembly, which includes being disposed with for axis vertical in high-pressure chamber, high-pressure chamber, to be turned round along own axes
Driving wheel is coaxially fixed with the rotating shaft of action, rotating shaft；Circumference of each fluid jet nozzle along high-pressure chamber and through high-pressure chamber
Locular wall, and the port of export of each fluid jet nozzle pointed at the blade blade face of upper driving wheel, and the jet direction of fluid jet nozzle drives with upper
The rotation direction of driving wheel is in the same direction each other；High-pressure jet assembly also includes being arranged in the barrier of sizing mixing at immediately below driving wheel, institute
The inner sleeve that barrier of sizing mixing includes being coaxially disposed with rotating shaft is stated, is in radially outward the equal of divergent shape around the outer tube wall of inner sleeve
It is furnished with the grid plate of straight panel shape；That concentric annular is gone back outside inner sleeve is provided with multiple tracks outer sleeve, with least so that per adjacent overcoat
The bore fluidic channel of the small bucket cavity-like of bottom bore greatly in top is formed between cylinder and adjacent louver plate；At the bottom of high-pressure chamber
At end coaxially extended downwardly discharge barrel, the lower part outlet of barrier of sizing mixing points to the feed end of discharge barrel；
Lower mixing component includes lower stirring wheel, and the lower stirring wheel is coaxially fixed on the bottom axial end of rotating shaft, and discharging
The discharging path of cylinder is located in the range of the stirring of the wheel blade of lower stirring wheel.
It is preferred that, the vertical axis of housing of the isocon for six roads and along hollow cylindrical is surround uniformly, housing
Inner chamber bottom surface at be evenly equipped with intercommunicating pore for connecting corresponding isocon；The also upward projection of vertical at the inner chamber bottom surface of housing
Have a coniform taper divider, the axis of the taper divider and charging hole and housing axis coaxially to each other, and taper point
The circular wheel profile that the bottom surface of depressor is formed is located on the most interior side bus of each intercommunicating pore.
It is preferred that, the fluid jet nozzle includes inner nozzle and outer nozzle, and the inner nozzle includes directly connection isocon and gone out
The taper necking section expected the straight length at end and be connected at the straight length port of export；Straight length wall coaxial hoop is connected provided with annular
Coaxial sleeve is provided with outer nozzle at plate, annular connecting plate outer rim and the jet direction of outer nozzle and the jet direction of inner nozzle are same each other
To；The straight tube body for constituting outer nozzle, the cone tube, the outer tube wall of inner nozzle and the annular connecting plate that constitute outer nozzle are enclosed jointly
The tube chamber for being used to realize air water medicine three-phase mixed function of outer nozzle is formed, and the port of export of taper necking section is located at outer nozzle
In the tube chamber；Through setting air intake duct so as to connect outside gas medicine source and outer nozzle tube chamber on annular connecting plate.
It is preferred that, the upper driving wheel is the power turbine construction for the blade for possessing scroll；The blade of above driving wheel
Remote upper driving wheel wheel shaft one end for distal end, the fluidic paths of fluid jet nozzle are relative with the intersection point of the blade of upper driving wheel to be leaned on
The far-end of the nearly blade.
It is preferred that, the high-pressure chamber includes from top to bottom the affixed blind flange of flange, up-thin-low-thick horn mouth successively
The upper conical cylinder of shape and upper coarse and lower fine funnelform inferior pyramidal cylinder, the charging of the funnel bottom of inferior pyramidal cylinder again with discharge barrel
Flange is constituted between end to coordinate；Barrier of sizing mixing is attached at the funnel-form inner chamber of inferior pyramidal cylinder.
It is preferred that, it is coaxially disposed upper bearing (metal) on the blind flange, and the funnel bottom of inferior pyramidal cylinder and the charging of discharge barrel
Lower bearing is folded between end；Rotating shaft is each passed through upper bearing (metal) and lower bearing and constitutes interference fit therewith.
It is preferred that, the lower stirring wheel includes intermediate sleeve and around the circumferential uniform stirring of intermediate sleeve axis
Leaf, the rectangular tabular that each paddle profile is set in plate face vertical, and level is recessed fluted at the suspension end of each paddle
So that each paddle is constructed on the axial cross section of intermediate sleeve in " recessed " shape plate body.
It is preferred that, the bottom of discharge barrel is provided with the diffuser of up-thin-low-thick bell mouth shape.
The beneficial effects of the present invention are：
1), traditional flotation operation is in order to obtain good flotation effect, in addition to pulp conveying pump, even more needs to match somebody with somebody
Put special coal slurry pretreatment unit and inflating and stirring device.In view of this, the present invention is in existing agitation type flotation machine and spray
On the architecture basics for penetrating formula flotation device, realize that the preliminary of ore pulp is divided equally and mixed once function with shunt assembly, with high pressure chest
Room, which coordinates, sizes mixing barrier to realize the pressurized jet and secondary mixed function of ore pulp, then with the discharge barrel collocation with anemostat
Stirring wheel finally realizes quick mixing and efficient flotation separation function to ore pulp so as to realize three mixed effects.Especially it is worth note
Meaning, high-pressure chamber of the invention is actually to be used as energy storage room.Ore pulp is by preliminary uniform and preliminary mixing
Afterwards, substantial amounts of gases at high pressure are also carried while jet enters high-pressure chamber；The present invention is cleverly existed using the gases at high pressure
Savings and pressure in high-pressure chamber so that the ore pulp edge that gas-liquid medicine three is mixed uniquely is exported namely sized mixing at barrier
Fluidic channel and eject.It is now each due to the fluidic channel structure for grid unique grid-like cone bucket shape of sizing mixing in itself
The unit that individual fluidic channel can regard autonomous working as is sized mixing area.When the high pressure ore pulp in high-pressure chamber passes through barrier of sizing mixing
Cutting shunting, so that when each unit sizes mixing the flow of slurry that small range is formed in area, the unique accumulation of energy structure of high-pressure chamber
Collocation unit is sized mixing the special tectonic in area, may be such that top continuously ore pulp from unit size mixing area lower part outlet injection and
Go out, reach repeatedly the purpose of turbulent ore pulp.Liquid stream along unit size mixing area it is spouting while, cluster fluidic can be produced naturally
Scattered and atomizing effect, its dispersiveness and sprayability are extremely strong, and the mixed effect of whole device can be obviously improved.
To sum up, the present invention integrates ore pulp mixing and flotation function, and the energy that whole mechanism works is essentially from ore deposit
Delivery pump is starched, whole flotation operation is more saved than traditional floatation process and equipment, and maintenance capacity is lower.The present invention can be efficient
And while the controllable efficient flotation separation demand for realizing ore pulp, moreover it is possible to the equipment investment of coal preparation plant's early stage is reduced, so as to effectively drop
The real cost of production of low coal preparation plant.Practice have shown that, flotation mode of the invention possess flotation effect more preferably, bubble mineralization more holds
Easily, flotation cell is without flotation " dead band " and the more stable advantage of froth bed, and operating efficiency and flotation effect can obtain effective guarantor
Card.
2), as the further preferred scheme of such scheme, isocon is preferably six points of devices.In use, even concentration
Floatation feed realizes ore pulp uniform divided flows function by pump from main ore slurry pipeline is sent to six points of devices, and by six points of devices.
Focus on, the present invention is provided with taper divider, and the circle that is formed of bottom surface of taper divider in six points of device bottoms
Contour line is located on the most interior side bus of each intercommunicating pore, so that the pressure for having pressure ore pulp in winner's ore slurry pipeline can be fine
Ground is delivered in six isocons of the housing bottom of six points of devices.Each ore pulp can be bored directly via main ore slurry pipeline
The tip of shape divider is cut and divided equally, and is transitted to naturally at isocon import along the conical surface of taper divider, to prevent this
The pressure loss situation that ore pulp is directly impacted housing bottom and caused therewith by main ore slurry pipeline.
3), further, six isocons are connected with six fluid jet nozzles respectively, and six fluid jet nozzles are circumferentially set
In the cavity wall of high-pressure chamber., can be first in the outer nozzle tube chamber of fluid jet nozzle just when there is pressure ore pulp to enter fluid jet nozzle
Step is stopped, with the large quantity of air that is sucked from air intake duct, so that the mixture of air, medicament and ore pulp is from outer nozzle
The port of export of cone tube is spouting, realizes its mixed function.
4), under the impact for the jet ore pulp with kinetic energy that fluid jet nozzle is ejected, upper driving wheel is upper because blade is located at
At the fluidic paths for stating jet ore pulp, therefore the rotational action along rotating shaft is produced therewith.The rotational action of upper driving wheel, a side
Face is to provide rotational power for the lower stirring wheel of bottom, to complete three mixed functions to ore pulp；On the other hand, penetrated
Flow ore pulp to hit and the upper driving wheel of high-speed rotation, its blade also can produce dissection to the air stream in high-pressure chamber,
So as to mix generation microvesicle phenomenon, and then the i.e. achievable large-scale microvesicle mixed function in high-pressure chamber with current.It is upper to drive
Driving wheel should be scroll impeller, and by the drop point of jet ore pulp positioned at the concave surface of the blade of upper driving wheel and far-end, to protect
Action response and sensitivity of the driving wheel to jet ore pulp on card.
5), high-pressure chamber can integrally be divided into superposed up-thin-low-thick upper conical chamber and positioned at the upper thick of bottom
Thin inferior pyramidal chamber down, two taper chambers are affixed each other by ring flange.Inferior pyramidal chamber is made up of inferior pyramidal cylinder, so that
Offer sizes mixing barrier with accommodation space, and the ore pulp ejected at the barrier that ensures using the funnel-form characteristic of itself to size mixing is poly-
Hold together and acceleration effect.Upper conical chamber is then made up of blind flange and upper conical cylinder, and on the one hand the inner chamber of upper conical cylinder constitutes and driven
The placing chamber of driving wheel, the barrel of the upper conical cylinder of another aspect then constitutes the fixation wall of fixed fluid jet nozzle.Due to upper conical cylinder
Barrel is conical surface shape structure, therefore actually fluid jet nozzle is in placement, it should also driven up in the oblique finger at certain inclination angle
The exclusive turbine wheel structure of the blade of driving wheel in the blade of wheel, collocation so that just fluid jet nozzle can be directed at driving
The blade of wheel, realizes the maximization transmission effect of ore pulp kinetic energy.
6) mixing component namely paddle under, being set in the bottom of rotating shaft, paddle by intermediate sleeve and tuning fork-like or
Say be " recessed " letter stencil shape paddle composition.The paddle of tuning fork-like can realize the Double stirring effect to ore pulp, so as to enter
One step increases ore pulp and medicament air contact efficiency.
Brief description of the drawings
Fig. 1 is schematic cross-sectional view of the invention；
Fig. 2 is the structural representation of fluid jet nozzle；
Fig. 3 is the relative position top view of fluid jet nozzle and upper driving wheel；
Fig. 4 is the structural representation of upper driving wheel；
Fig. 5 is the top view of barrier of sizing mixing；
Fig. 6 is the top view of lower stirring wheel；
Fig. 7 is the relative position top view of intercommunicating pore and taper divider.
The component names corresponding relation for illustrating each structure and the present invention is as follows：
The main ore slurry pipelines of a-
11- housing 11a- intercommunicating pore 12- isocon 13- fluid jet nozzles
13a- straight length 13b- tapers necking section 13c- annular connecting plates
13d- straight tube body 13e- cone tube 13f- air intake duct 14- taper divider
Driving wheel 23- sizes mixing barrier on 21- rotating shafts 22-
23a- inner sleeve 23b- outer sleeve 23c- grid plate 24- discharge barrels
The upper conical cylinder 25c- inferior pyramidals cylinders of 25a- blind flanges 25b-
Stirring wheel 31- intermediate sleeves 32- paddle 32a- grooves under 30-
40- upper bearing (metal) 50- lower bearing 60- flotation cells
Embodiment
For ease of understanding, here in connection with Fig. 1-7, described further below is made to the specific embodiment of the present invention：
The concrete composition part of the present invention, is divided into several big modules, including：Flotation cell 60, shunt assembly, high-pressure jet assembly
And lower mixing component, it is been described by one by one below：
1st, flotation cell
Flotation cell 60 can configure attached floating operation structure such as foam scraping machine etc. as conventional floatation equipment, so that
Realize its intrinsic flotation function.
2nd, shunt assembly
When structure is specific embodiment shown in shunt assembly using Fig. 1-2 and Fig. 7, mainly it is subdivided into six points of devices and is connected to
The fluid jet nozzle 13 of the end of isocon 12 of six points of devices.
Six points of devices, as the chief component of shunt assembly, are in order to main ore slurry pipeline a floatation feed is divided into
What six tunnels exported and set, its small volume and for sealing structure.And the centre bottom of the housing 11 in six points of devices arranges taper
Divider 14, then can prevent having pressure ore pulp to be directly impinging the intracavity bottom of housing 11 in main ore slurry pipeline a, so as to avoid ore deposit
Slurry because rising to and build-up of pressure loss again.The unique cone point of taper divider 14 can be effectively directly by ore pulp flow point
Six strands of ore deposit streams are dissipated into, and the inner space section of six points of devices sees it is up big and down small taper configurations, it is clear that it can also be beneficial to pressure
Quick transmission.
Fluid jet nozzle 13 is made up of inner nozzle, outer nozzle, air intake duct 13f, annular connecting plate 13c.Inner nozzle and outer nozzle
Taper necking section 13b and cone tube 13e cone angle be 28 °, the fluid energy losses of this angle are minimum.Have pressure ore pulp from
The taper necking section 13b of inner nozzle is spouting, and realizes that air-liquid, medicine three are mixed in the tube chamber of outer nozzle, final injection
Go out.Air intake duct 13f is connected with extraneous medicine source and/or medicine source, and its working media can be the gaseous mixture of aerosolized medication and air
Body or simple air.It is assumed herein that when air intake duct 13f is drawn merely for air, the ore pulp in inner nozzle is mixing
The ore pulp of medicament.Assuming that air intake duct 13f suction be the mixed gas of medicament and air when, then be not add in inner nozzle
The ore pulp of medicament.Because air intake duct 13f is located on annular connecting plate 13c, when outer nozzle and inner nozzle pass through annular connecting plate 13c
When combining, you can suck above-mentioned gas by air intake duct 13f.
During practical operation, the diameter of outer nozzle is more much bigger than inner nozzle diameter, so as to ensure enough inspiratory capacities so that
The gettering ability of fluid jet nozzle 13 gives full play to.Now, ore pulp sprays with medicament, air in the mixed zone of fluid jet nozzle 13 namely outside
Air stream and medicament stream are also drawn into strip by the violent mixing realized in the tube chamber of mouth, the jet ore pulp of high speed, are increased
Coal grain, medicament, the contact area of air, so as to improve a mineralization degree in mixed zone.
3rd, high-pressure jet assembly
As shown in Fig. 1 and Fig. 2-5, high-pressure jet assembly, it is actually main by high-pressure chamber, upper driving wheel 22, size mixing
Barrier 23 is constituted.Wherein：
In high-pressure chamber vertical to revolution be combined with rotating shaft 21.Upper driving wheel 22 is fixed in rotating shaft 21, upper driving wheel
22 be power turbine structure, in order to bear and to by the spouting jet ore pulp of fluid jet nozzle 13 kinetic energy generation action
Response.When positioning the blade relative position of ore pulp discharging path and upper driving wheel 22 at fluid jet nozzle 13, it shall be noted that：One side
Face, the far-end for the close blade that the drop point of the ore pulp discharging of fluid jet nozzle 13 should be relative, and should not be located leaning on for blade
The near-end of nearly upper driving wheel axis, to lift action response and the sensitivity of upper driving wheel 22.On the other hand, fluid jet nozzle 13
Ore pulp discharging drop point should be located at blade cross central line at, so as to provide sufficiently large rush for the rotation of blade
Hit moment of torsion.The scrollwork warpage radian of blade, the then spouting rear divergent flow beam formed in outlet based on ore pulp from outer nozzle
On the contact point that acts on blade of each streamline, and with the orthogonal design principle of tangent line of the contact point so that
The impulsive force of ore pulp is fully utilized.
Ore pulp is impacted after the blade of driving wheel 22, and part energy causes blade to rotate；Other energy causes ore deposit
Slurry again scattered, the ore pulp particle of agglomerate is broken up, the arc impeller of the contact area of increase ore pulp and medicament, at a high speed rotation
Air stream is cut and dispersed into again for microvesicle, secondary raising remineralization efficacy again.Because upper driving wheel 22 is located at upper conical cylinder 25b
In, upper conical cylinder 25b top is set for sealing, and ore pulp is internally extruded, and substantial amounts of air is rich in ore pulp, high speed rotation
Impeller can drive the downward conically shaped 25c directions of ore pulp.When ore pulp enters inferior pyramidal cylinder 25c, regulation grid starts to play and made
With.
The specific configuration of barrier 23 of sizing mixing can refer to shown in Fig. 1 and Fig. 5, and it is by inner sleeve 23a, grid plate 23c and overcoat
Cylinder 23b is collectively constituted.Inner sleeve 23a and the outer sleeve 23b of multilayer are collectively forming concentric ring structure, and grid plate 23c is then along interior
Sleeve 23a radially connected each inner sleeve 23a and outer sleeve 23b.When above-mentioned attachment structure, which is ultimately formed, to be constructed shown in Fig. 5,
Now per adjacent outer sleeve 23b between adjacent grid plate 23c, and adjacent outer sleeve 23b with inner sleeve 23a and every
The upper opening fluidic channel of the small grid cone bucket shape of lower openings greatly can be showed between screen 23c.Each jet leads to
The unit that road can regard autonomous working as is sized mixing area.Because barrier 23 of sizing mixing is arranged in the underface of upper driving wheel 22, it is located at
Inside inferior pyramidal cylinder 25c, when the high pressure ore pulp in upper conical cylinder 25b is flowed into inferior pyramidal cylinder 25c, pass through barrier 23 of sizing mixing
Cutting shunting, the flow of slurry of small range is formed in area so as to be sized mixing in each unit.The unique accumulation of energy structure of high-pressure chamber
Collocation unit is sized mixing the special tectonic in area so that top continuously ore pulp from unit size mixing area lower part outlet injection and
Go out, be finally reached repeatedly the effect of turbulent ore pulp.
4th, lower mixing component
As shown in Figure 1 and Figure 6, it is also provided with lower stirring wheel 30 in the lower axial end of rotating shaft 21.Lower stirring wheel 30 can be seen
Work is the impeller of similar " rice " shape, by 32 groups of the paddle of intermediate sleeve 31 and tuning fork-like " recessed " letter stencil shape in other words
Into.Unique " recessed " word construction of paddle 32, can realize the Double stirring effect to ore pulp, increase ore pulp and medicament air
Contacting efficiency.
On the basis of said structure, used between blind flange 25a, upper conical cylinder 25b, inferior pyramidal cylinder 25c and discharge barrel 24
Flange is connected with each other.And for the stability of rotating shaft 21, on blind flange 25a and between inferior pyramidal cylinder 25c and discharge barrel 24
Locate then relative set upper bearing (metal) 40 and lower bearing 50, so as to realize the swinging bearing assembling purpose of the freely-supported beam-like of rotating shaft 21.
For ease of understanding, here in connection with Fig. 1, concrete operating principle and flow to the present invention are described as follows：
During initial operation, the floatation feed of even concentration is sent to six points of devices of shunt assembly by pump from main ore slurry pipeline a
In.Due to the effect of taper divider 14, the floatation feed uniformly cut and almost without the pressure loss it is quick be diverted into as
In six road isocons 12 shown in Fig. 1 and Fig. 7, and eventually enter into the fluid jet nozzle 13 of the end of isocon 12.There is pressure ore pulp to enter
When in fluid jet nozzle 13, negative pressure can be formed in the tube chamber of outer nozzle, it is empty with the large quantity of air sucked from air intake duct 13f
The outlet that gas mixes medicament, ore pulp from outer nozzle is spouting, realizes the mixed once function of shunt assembly.
When the mixed ore pulp of ore pulp, medicament, air is spouting from fluid jet nozzle 13, the mixed ore pulp can be rushed first
The blade of driving part is hit, so as to drive rotating shaft 21 to rotate at a high speed.The lower stirring wheel 30 for being fixed on the bottom of rotating shaft 21 starts
Rotation, so as to transfer the ore pulp that agitation is located in flotation cell 60 using mixed ore pulp as power.When ore pulp impacts blade, blade
Also air stream can be cut into by microvesicle by turning effort in turn, so that scattered ore pulp and medicament.In view of high-pressure chamber
Sealing structure, therefore hyperbaric environment can be internally formed under the continuous injection of external pressure, this causes can be rich in big in ore pulp
The air of amount, and perform place mat for the turbulent flow injection of follow-up ore pulp.
Due to the hyperbaric environment in high-pressure chamber, discharging can be injected to by sub-high pressure again by causing ore pulp to pass through when sizing mixing barrier 23
In cylinder 24.Size mixing barrier 23 each unit size mixing area lower port just as nozzle one by one, can be constantly by ore pulp
Mixed with medicament, air extrusion, after the voltage stabilizing of discharge barrel 24 and the release of pressure of diffuser, a large amount of microvesicles analysis being rich in ore pulp
Go out, diffuse whole flotation cell 60, enough carriers are provided for the flotation of coal slime.Afterwards, it is spouting via the release of pressure of discharge barrel 24
Ore pulp can again pass by lower stirring wheel 30 and stir.The energy of paddle 32 of the tuning fork-like of lower stirring wheel 30 " recessed " letter stencil shape in other words
Ore pulp in enough effectively cutting flotation cells, increase ore pulp, medicament, the remineralization efficacy of air improve mineralising efficiency.Afterwards, such as Fig. 1
Shown, mineral laden bubble floats up to the top of the cell body of flotation device, and being scraped bubble structure therewith scrapes, and is finally completed whole flotation stream
Journey.
To sum up, the present invention integrates ore pulp mixing and flotation function, and the energy that whole mechanism works is essentially from ore deposit
Delivery pump is starched, flotation operation is more saved than traditional floatation process and equipment, and maintenance capacity is lower.The present invention can efficiently and can
While realizing the efficient flotation separation demand of ore pulp of control, moreover it is possible to reduce the equipment investment of coal preparation plant's early stage, so that effectively reduction choosing
The real cost of production in coal works.Practice have shown that, flotation mode of the invention possess flotation effect more preferably, bubble mineralization be easier,
Flotation cell can be effectively ensured without flotation " dead band " and the more stable advantage of froth bed, operating efficiency and flotation effect,
Obviously the actual demand of current coal preparation plant can effectively be met.
Claims (8)
- Possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction 1. a kind of, it is characterised in that：This equipment includes flotation cell And the stirring system in flotation cell (60), and stirring system at least includes being used for point for realizing jet mixing function (60) Flow component, the high-pressure jet assembly for realizing turbulent mixture function and the lower stirring group for realizing stirring mixed function Part；Wherein：Shunt assembly includes the housing (11) for possessing hollow cavity, and housing (11) top, which is run through, to be opened up charging hole to connect main ore deposit Pipeline (a) is starched, the isocon (12) of more than twice and connection housing (11) inner chamber, and each isocon are extended in housing (11) bottom (12) discharge end is fixed at the entrance point of fluid jet nozzle (13)；High-pressure jet assembly includes being disposed with for axis vertical in high-pressure chamber, high-pressure chamber can make revolution action along own axes Rotating shaft (21), be coaxially fixed with driving wheel (22) in rotating shaft (21)；Circumference of each fluid jet nozzle (13) along high-pressure chamber and The port of export through the locular wall of high-pressure chamber, and each fluid jet nozzle (13) is pointed at the blade blade face of upper driving wheel (22), jet The rotation direction of the jet direction of shower nozzle (13) and upper driving wheel (22) is in the same direction each other；High-pressure jet assembly also includes being arranged in Barrier of sizing mixing (23) at immediately below driving wheel (22), the barrier of sizing mixing (23) includes the inner sleeve being coaxially disposed with rotating shaft (21) Cylinder (23a), is in radially outward the grid plate (23c) for being evenly equipped with straight panel shape of divergent shape around the outer tube wall of inner sleeve (23a)； Also concentric annular is provided with multiple tracks outer sleeve (23b) to inner sleeve (23a) outside, with least so that per adjacent outer sleeve (23b) with The bore fluidic channel of the small bucket cavity-like of bottom bore greatly in top is formed between adjacent louver plate (23c)；In high-pressure chamber Bottom end coaxially extended downwardly discharge barrel (24), the lower part outlet of barrier of sizing mixing (23) points to the charging of discharge barrel (24) End；Lower mixing component includes lower stirring wheel (30), and the lower stirring wheel (30) is coaxially fixed on the bottom shaft end of rotating shaft (21) Locate, and the discharging path of discharge barrel (24) is located in the range of the stirring of the wheel blade of lower stirring wheel (30).
- A kind of possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction 2. according to claim 1, it is characterised in that： The vertical axis of housing (11) of the isocon (12) for six roads and along hollow cylindrical is surround uniformly, housing (11) it is interior The intercommunicating pore (11a) for connecting corresponding isocon (12) is evenly equipped with the face of bottom of chamber；Also vertical at the inner chamber bottom surface of housing (11) Upward is convexly equipped with coniform taper divider (14), axis and charging hole and the housing (11) of the taper divider (14) Axis coaxially to each other, and the circular wheel profile that the bottom surface of taper divider (14) is formed be located at each intercommunicating pore (11a) it is most interior On side bus.
- 3. it is according to claim 1 or 2 it is a kind of possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction, its feature exists In：The fluid jet nozzle (13) includes inner nozzle and outer nozzle, and the inner nozzle includes directly connecting isocon (12) discharge end Straight length (13a) and be connected at straight length (13a) port of export taper necking section (13b)；Straight length (13a) outer wall is same Shaft clip is provided with jet side of the coaxial sleeve provided with outer nozzle and outer nozzle at annular connecting plate (13c), annular connecting plate (13c) outer rim It is in the same direction each other to the jet direction with inner nozzle；Constitute outer nozzle straight tube body (13d), constitute outer nozzle cone tube (13e), The outer tube wall and annular connecting plate (13c) of inner nozzle enclose jointly to be formed outer nozzle be used for realize that air water medicine three mixes work( Can tube chamber, and taper necking section (13b) the port of export be located at outer nozzle the tube chamber in；Run through on annular connecting plate (13c) Air intake duct (13f) is set to connect outside gas medicine source and outer nozzle tube chamber.
- 4. it is according to claim 1 or 2 it is a kind of possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction, its feature exists In：The upper driving wheel (22) is the power turbine construction for the blade for possessing scroll；The blade of above driving wheel (22) it is remote One end from upper driving wheel (22) wheel shaft is distal end, the fluidic paths of fluid jet nozzle (13) and the friendship of the blade of upper driving wheel (22) The far-end of the relatively close blade of point.
- 5. it is according to claim 1 or 2 it is a kind of possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction, its feature exists In：The high-pressure chamber includes from top to bottom the affixed blind flange of flange (25a), the epicone of up-thin-low-thick bell mouth shape successively Shape cylinder (25b) and upper coarse and lower fine funnelform inferior pyramidal cylinder (25c), the funnel bottom of inferior pyramidal cylinder (25c) again with discharging Flange is constituted between the feed end of cylinder (24) to coordinate；Barrier (23) of sizing mixing is attached at the funnel-form inner chamber of inferior pyramidal cylinder (25c).
- A kind of possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction 6. according to claim 5, it is characterised in that： It is coaxially disposed upper bearing (metal) (40) on the blind flange, and the funnel bottom of inferior pyramidal cylinder (25c) and the feed end of discharge barrel (24) Between be folded with lower bearing (50)；Rotating shaft (21) is each passed through upper bearing (metal) (40) and lower bearing (50) and constitutes interference fit therewith.
- 7. it is according to claim 1 or 2 it is a kind of possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction, its feature exists In：The lower stirring wheel (30) includes intermediate sleeve (31) and around the circumferential uniform paddle of intermediate sleeve (31) axis (32) the rectangular tabular that, each paddle (32) profile is set in plate face vertical, and level at the suspension end of each paddle (32) Recessed fluted (32a) is so that each paddle (32) is in " recessed " shape plate body structure on the axial cross section of intermediate sleeve (31) Make.
- 8. it is according to claim 1 or 2 it is a kind of possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction, its feature exists In：The bottom of discharge barrel (24) is provided with the diffuser of up-thin-low-thick bell mouth shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710446149.6A CN107159471B (en) | 2017-06-14 | 2017-06-14 | Has ore pulp from driving and the floatation equipment of self-priming airway dysfunction |
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| CN201710446149.6A CN107159471B (en) | 2017-06-14 | 2017-06-14 | Has ore pulp from driving and the floatation equipment of self-priming airway dysfunction |
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| CN108325493A (en) * | 2018-03-28 | 2018-07-27 | 中国矿业大学 | A kind of granular medicine action system and method based on strong turbulence cycle |
| CN108452558A (en) * | 2018-01-25 | 2018-08-28 | 安徽理工大学 | The beneficiation wastewater processing equipment of self-suction type turbulent flow jet pipe and the application jet pipe |
| CN110560273A (en) * | 2019-09-17 | 2019-12-13 | 北矿机电科技有限责任公司 | self-suction flotation machine impeller and self-suction flotation machine |
| CN111570100A (en) * | 2020-05-14 | 2020-08-25 | 安徽理工大学 | Double-wheel-connected jet stirring mechanism and jet atomization flotation equipment with same |
| CN115463600A (en) * | 2022-10-18 | 2022-12-13 | 安徽理工大学 | Efficient mixing and pulp mixing device and method for medicament and ore pulp |
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| CN111570099B (en) * | 2020-05-14 | 2021-05-28 | 安徽理工大学 | Jet atomization device and flotation device with same |
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| CN111570100A (en) * | 2020-05-14 | 2020-08-25 | 安徽理工大学 | Double-wheel-connected jet stirring mechanism and jet atomization flotation equipment with same |
| CN111570100B (en) * | 2020-05-14 | 2021-05-25 | 安徽理工大学 | Jet atomization flotation equipment |
| CN115463600A (en) * | 2022-10-18 | 2022-12-13 | 安徽理工大学 | Efficient mixing and pulp mixing device and method for medicament and ore pulp |
| CN115463600B (en) * | 2022-10-18 | 2023-07-21 | 安徽理工大学 | Efficient mixing and pulp mixing device and method for medicament and ore pulp |
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