CN205495837U - Stirring formula flotation equipment sways with from function of sizing mixing - Google Patents

Abstract

The utility model relates to a coal slime flotation field of handling of sizing mixing, concretely relates to stirring formula flotation equipment sways with from function of sizing mixing. The utility model discloses at least, including the flotation cell, setting up the microbubble in the flotation cell and taking place the bed, the bed takes place and arranges the same tip of a linking arm with fixed each microbubble pipe respectively including microbubble pipe, the both ends of microbubble pipe for the microbubble, this equipment still includes gas piping, gas piping each microbubble pipe lumen of predetermined air flue intercommunication via the linking arm in, and the pipe wall of each microbubble pipe gathers and is used for the gaseous microbubble of blowout to take place the hole, this equipment still includes the power arm, and the power arm is two and symmetrical arranging in the both sides department of microbubble emergence bed, extend the bottom of microbubble pipe has the stirring baffle, and the perpendicular microbubble of face of stirring baffle takes place the swing direction of bed. The utility model discloses possess that microbubble flotation effect is splendid, the bubble mineralize mineralization is easier, the flotation cell does not have flotation " blind spot " and the more stable advantage of foam blanket, work efficiency and flotation effect all can effectively be guaranteed.

Description

A kind of have wave stirring-type floatation equipment from size mixing function

Technical field

This utility model relates to coal slime and sizes mixing flotation process field, is specifically related to one and has from sizing mixing Function wave stirring-type floatation equipment.

Background technology

Floatation is most important interface method for separating, is generally used for the sorting of-0.5mm coal slime, more It it is the only effective method for separating of-0.1mm coal slime.Flotation device of a great variety, difference mainly shows At aspects such as airing form, inflating and stirring device structures.Apply at present most classification method, be by Flotation device is divided into mechanical agitation type and mechanical stirring-type two big by the difference of inflation and alr mode Class.Agitation impeller flotator, can refer to what Chinese patent notification number was " CN201711220U " Described in entitled " agitation impeller flotator ", it is that the stirring utilizing mechanical agitator completes The suction of bubble and cutting procedure.Churned mechanically flotation mode uses the most remote, by ore dressing to Coal separation has the history of last 100 years, and it can be that flotation cell provides turbulent flow environment, but shortcoming is that energy consumption is big And maintenance capacity is big.Mechanical agitation type flotation machine, also known as pneumatic flotation cell, bypasses air through Micropore and force the air pressing type structure filled the air, with reference to Chinese patent notification number be " CN2671690 " Entitled " column type floatation machine " described in；Useful jetstream whirl means produce forced vortex cutting Air and the injecting type that separates out again after making air dissolve, such as FJC (A) series flotation device, XPM sprays Penetrate spiral-flow type etc..On-mechanical agitation type flotation machine is owing to without rabbling mechanism, therefore using pump is ore pulp Thering is provided energy, by the jet of ore pulp, collision dispersion, draw enough air, shortcoming is needs Supporting pump, and energy consumption is big.It addition, on-mechanical agitation type flotation machine is owing to ensure enough ore deposits Amount flow and inspiration capacity, flotation cell flow field usually excessive turbulence, cause the granule of mineralising to exist Floating-upward process comes off, thus affects flotation effect.How to seek a kind of structure the most reasonable and practical Novel floatation equipment so that it is possessing more low energy consumption, more low maintenance and lower production costs While, can synchronize possess more preferable bubble mineralization and flotation effect, for this area in recent years urgently Technical barrier to be solved.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of structure letter Singly reasonably have function of certainly sizing mixing waves stirring-type floatation equipment, with efficient and controlled reality The efficient flotation separation demand of existing ore pulp.It possesses microfoam flotation excellent, bubble mineralization is easier to, Flotation cell is without the more stable advantage of flotation " dead band " and froth bed, work efficiency and flotation effect Fruit all can be effectively ensured.

For achieving the above object, this utility model have employed techniques below scheme:

A kind of have wave stirring-type floatation equipment from size mixing function, at least include flotation cell, its It is characterised by: being arranged for carrying out the microvesicle generation bed of floating operation in flotation cell, described microvesicle is sent out Raw bed includes the microvesicle pipe of more than three and arrangement alongside one another, and the two ends of microvesicle pipe are respectively arranged one Root linking arm is with the same end of fixing each microvesicle pipe；This equipment also includes for introducing compressed-air actuated Gas piping, gas piping connects each microvesicle pipe tube chamber via the air flue preset in linking arm, each micro- Bubble pipe tube wall gather for spray gas microvesicle occur hole；This equipment also includes making microvesicle send out Raw its bed surface direction of edge of bed produces the power arm of pendulum-type action, and power arm is the layout of two and symmetry At the both sides of microvesicle generation bed；Constitute microvesicle generation bed microvesicle pipe lowermost end bus to The bottom land of flotation cell is extended with mixing baffle, the plate face vertical microvesicle generation bed of described mixing baffle Swaying direction.

Described microvesicle generation bed profile is spaced, in by microvesicle pipe, the arc surfaced framework formed of uniformly arranging Structure；With the vertical guide through middle microvesicle pipe axis as the plane of symmetry, it is positioned at middle microvesicle pipe both sides Sidepiece microvesicle Guan Jun with this plane of symmetry, face is arranged symmetrically with；Gas piping is positioned at middle microvesicle pipe An end portion, the other end at middle microvesicle pipe is arranged for introducing clear water to perform washing and cleaning operation Detergent line.

Described microvesicle tube axis direction parallel flotation groove flute length direction；Power arm is to be arranged in flotation cell Hydraulic transmission assembly outside groove end drives；One section of shaft level of power arm is to middle microvesicle pipe End extends and fixed thereto, and another section of shaft of power arm then tilts upward extension and hydraulic pressure Fix between the kinetic swing moved end of transmission component.

This equipment also includes the driving rabbling mechanism for performing the stirring operation of ore pulp pan feeding, this driving Rabbling mechanism is suspended at above flotation cell notch to be located；The discharging opening driving rabbling mechanism points to microvesicle and sends out At raw bed bed surface, and and the active path of microvesicle generation bed between space dodge layout；Described driving is stirred Mixing mechanism and include the shell body of downward opening tubbiness, in shell body, coaxially arranged axis vertical turns Axle, at the hypomere axle body of rotating shaft, coaxial sleeve is provided with diversion mixing impeller, coaxially solid at the epimere of rotating shaft Surely turbine is driven；Run through at the periphery wall of shell body and be disposed with the main pipeline for pan feeding, described The discharging direction of main pipeline is pointed at the impeller blade driving turbine；This equipment also includes driving for auxiliary The frequency conversion motor of dynamic axis of rotation.

The opening part of described shell body presents the bell mouth shape structure that bore gradually extends out；Diversion mixing Impeller is two groups and sequentially coaxially arranges along shaft axis direction；The bore of two groups of diversion mixing impellers Increase the most successively.

Described driving rabbling mechanism is two groups of laid out in parallel, and two groups drive rabbling mechanism to share one Main pipeline, and the flute length side of the laid out in parallel direction parallel flotation groove of these two groups driving rabbling mechanisms To；With above-mentioned two groups drive rabbling mechanisms be one group of agitating unit, described agitating unit be two groups and Sequentially arrange along flotation cell flute length direction；In the flotation pointed by the discharging opening of first group of agitating unit It is disposed with the circulation ore pulp pipe for buildup at the bottom of lead-out groove at groove bottom land, arranges at circulation ore pulp pipe and use In the circulating pump providing tubular body buildup to pump out power, the port of export connection second of circulation ore pulp pipe The main line arrival end of group agitating unit, is positioned at the flotation cell groove end at second group of agitating unit place Arrange for drawing the tailing tank of buildup at this.

Described tailing tank includes mine tailing overflow launder, the relatively close agitating unit place of mine tailing overflow launder It is the highest higher than the ore pulp froth bed in flotation cell that the cell wall of side forms liquid level baffle plate and this height of baffle plate Highly, the opposite side cell wall of mine tailing overflow launder then forms current stabilization baffle plate and this height of baffle plate less than flotation Mineral syrup liquid minimum altitude in groove, offers at the bottom land of mine tailing overflow launder and from bottom to top gushes for buildup The plup inlet entered；At current stabilization baffle plate, being disposed with of plate face laminating can be along the direction, plate face of current stabilization baffle plate Making the controllable register of vertical motion, buildup is via overflowing that current stabilization baffle plate and controllable register are collectively formed Flow weir and be expelled to external equipment.

The feed end of main pipeline is dichotomous structure, and the connection of one entrance point is for jet floating agent Double sleeve fluidic modules, another entrance point connection floatation feed have pressure surge tank；Described flotation enters Material has pressure surge tank to include the tank body of cartridge seal, and in tank body, axis vertical is disposed with connection outside The compressed air hose of source of the gas, being positioned at the periphery wall of body of compressed air hose is forked to extension Stretching and have molten edema caused by disorder of QI arm, molten edema caused by disorder of QI arm gathers venthole；The bottom end of tank body arranges discharge nozzle To connect above-mentioned main pipeline, in this discharge nozzle, arrange the kinetic pump as power；The top end face of tank body What place and compressed air tube space were dodged is disposed with floatation feed hole, outside the connection of described floatation feed hole The floatation feed pipe for feed slurry in portion；Floatation feed hole is being positioned at the nose end of tank inner chamber What fitted in face is disposed with valve plate, and valve plate is fixed at above-mentioned nose end with stretching spring；Floatation feed has The pressure transducer of pressure in monitoring tank body is there also is provided at pressure surge tank.

Bubble overflow launder, bubble overflow it is disposed with at both sides cell wall along the length direction of flotation cell Groove is arranged at the lateral wall of flotation cell cell wall and is constituted overflow wall with the lateral wall of above-mentioned cell wall；This Equipment includes circulating bubble assembly of scraping, and circulating bubble assembly of scraping is conveyer belt columnar structure, constitutes transport Closed loop with belt body is scraped the outer surface layout of bubble band and is scraped bubble plate, scrapes the vertical closed loop in plate face of bubble plate Formula scrapes the direction of action of bubble band；This equipment also includes that clear water spray assemblies, clear water spray assemblies include Secondary enrichment spray head and froth breaking spray head, the water jet of secondary enrichment spray head is positioned at circulating scraping Bubble assembly close bubble overflow launder side top at and water spraying direction point to closed loop scrape bubble carry Belt body, the water jet of froth breaking spray head is positioned at the surface of bubble overflow launder and water spraying direction points to The bottom land of bubble overflow launder.

Horizontally disposed in the cell body of described bubble overflow launder have at least one of which to sieve for the froth breaking of froth breaking Plate.

The beneficial effects of the utility model are:

1), this utility model on the basis of based on tradition flotation slot type floatation equipment, with unique Microvesicle generation bed, as microvesicle generation matrix, coordinates micro-by the pendulum model action of microvesicle generation bed Being continuously generated of bubble, has both guaranteed that the flow field of flotation cell is in a suitable turbulent condition, thus has had It is beneficial to the floating of mineral laden bubble, ensures that again the granule of mineralising will not come off from bubble, to increase Add flotation efficiency.Being different from the separation trough structure of tradition flotation cell, this utility model is with single groove Structure, by running through the microvesicle generation bed of whole flotation cell, so that its microvesicle generated can be accompanied Fill the air the diverse location of whole flotation cell with its pendulum-type action, be truly realized without flotation " dead band " Efficient flotation separation purpose.Mixing baffle is arranged on the lower section of microvesicle pipe, thus with microvesicle generation bed Wobbling action and constantly brush against ore pulp at flotation cell bottom land, with avoid flotation cell occur " desilting " Situation, final further lifting flotation of ore pulp effect.

To sum up, this utility model only dissipates by purely mechanic revolution agitation and inflation pressure with traditional Floatation equipment different, this utility model is based on the premise of energy-conservation and low maintenance capacity, with the simplest The structure design changed and the mildest swing-bed action, thus realize the bubble mineralization merit of more preferable effect Energy and the flotation cell flotation effect without flotation " dead band ".Practice have shown that, flotation of the present utility model Mode has possessed that microfoam flotation is better, bubble mineralization is easier to, flotation cell is without flotation " dead band " And the advantage that froth bed is more stable, work efficiency and flotation effect all can be effectively ensured.

2), microvesicle generation bed, at least include the cambered surface channel-shaped frame that microvesicle pipe and linking arm are constituted Framework is made.Gas piping is positioned at a groove end of the cambered surface groove-like structure of microvesicle generation bed, outside ensureing In good time pouring in of portion's compressed gas, and then guarantee that on microvesicle pipe, millimetre-sized microvesicle generation hole can not Break and give vent to anger.Detergent line is positioned at another groove end of microvesicle generation bed, to clean one in a period of time Secondary microvesicle generation bed, it is to avoid it is stifled that above-mentioned microvesicle occurs hole even linking arm and microvesicle pipe tube chamber to occur Plug, to promote its functional reliability.

3), power arm, be only used as power transmission and passive tilting member herein, actual drive behaviour Make also to rely on the hydraulic transmission assembly of outside to realize.During concrete operations, hydraulic transmission assembly Relying on hydraulic power to give power arm with oscillatory forces, it is passed to microvesicle generation bed by power arm. Company due to the power arm junction point relative to microvesicle generation bed Yu power arm opposing hydraulic transmission component The moment difference of contact, microvesicle generation bed starts to produce pendular movement, and then coordinates the micro-of microvesicle pipe Bubble production capacity, finally realizes optimized flotation of ore pulp effect.

4), drive stirring structure be one of them emphasis of the present utility model, be as ore pulp enter Stirring mixed processes before flotation cell and exist.This utility model uses ore pulp transport produced dynamic Driving turbine rotation in power drive shaft, and then it is dynamic to drive diversion mixing impeller to produce fluid agitation Make.In addition, rotating shaft is also connected with frequency conversion motor, when ore pulp driving force deficiency, and frequency conversion motor work Make, to guarantee that diversion mixing impeller rotates with certain speed all the time.The circumferential inner wall of shell body Effect is by the ore pulp of horizontal movement, progressively guides into vertical movement, to reduce fluid in change fortune During dynamic state, the loss of energy.The horn mouth design of shell body oral area, beneficially ore pulp Along shell body gush out time rapid dispersion, thus can the more and microvesicle of underface while slowing down Occur the microvesicle produced at bed to produce bubble parcel effect, and then promote its flotation efficiency.

5), how group drives rabbling mechanism and the layout organizing agitating unit more, improves floating of ore pulp Select effect.For the mode of buildup ore pulp is taken out in relatively conventional single flotation the most at once, this practicality Novel obvious double to improve the flotation utilization rate of ore pulp, it is clear that contribute to reducing flotation cost, And and then the production interests of lifting producer.

6), the layout of tailing tank be another emphasis of the present utility model, by unique knot of tailing tank Structure so that the operating path of buildup is advanced in unique " several " shape.On the one hand, in flotation cell Just flotation ore pulp and bubble parcel concentrate kept off by the outermost liquid level of mine tailing overflow launder Plate blocks, and is discharged unintentionally in being unlikely to surprisingly to flow into tailing tank.On the other hand, recleaning After useless ore pulp then via the plup inlet of mine tailing isopipe root, and climb over current stabilization baffle plate and regulation The downflow weir that baffle plate is collectively forming, and discharged flotation cell reliably, and then be follow-up new ore pulp Pour in good time and vacate place.The layout of controllable register, allows for the situation according to production scene not With, the mineral syrup liquid height in flotation cell certainly exists difference, such as mineral syrup liquid height in flotation cell The most sufficiently high, can suitably raise controllable register, to avoid causing because of siphon effect having Flotation pulp accident overflow can go out above-mentioned downflow weir.Certainly, in flotation cell, mineral syrup liquid height is the highest Time, the flushing effect of current stabilization baffle plate self according to original design, can be only relied on.

7), as the feed liquor channel of whole stirring system, this utility model is with double sleeve fluidic modules The dilution function of floating agent is provided, has pressure surge tank to provide ore pulp and compressed air with floatation feed Preliminary mixed function, and then achieve preliminarily diluted and the bubble dissolving in ore pulp of floating agent Step, provides good condition for follow-up microfoam flotation.

8), this utility model aeration quantity big, flotation effect is good, foam thickness.In order to timely will Flotation froth is collected and is scraped, and provides good environment for follow-up floatation process, devises reciprocating Float skimming device, to guarantee the most uninterrupted running of equipment.Meanwhile, in order to improve concentrate grade and There is provided convenient for the transport of follow-up foam, be provided with secondary at bubble overflow launder and flotation cell intersectional region Enrichment spray head and froth breaking spray head, share one group of detergent line.In view of of the present utility model two Secondary enrichment, namely when mineral laden bubble has arrived the notch of flotation cell, bubble is assembled in a large number, gas Bubble rises floating speed to be reduced, and bubble merging increases, the water meeting of diarrhea when hydration shell ruptures during merger Take away and be clipped in hydrophobicity difference in froth bed and adsorb more weak impurity particle.Secondary enrichment spray head leads to Cross the effect of drenching with rain and carry out spraying foam layer, above-mentioned secondary enrichment can be strengthened.The work of froth breaking spray head With position at bubble overflow launder, purpose is contemplated to froth breaking；When the foam lower floor to be entered collected Collecting vessel, if froth breaking will diffuse out from collecting vessel not in time, additionally essence from collecting vessel to flotation Ore deposit dehydration equipment uses kinetic pump transport, and the existence of foam is the most also unfavorable for actual shipment.At gas Froth breaking baffle plate is also set up in bubble overflow launder.It was verified that the use of froth breaking baffle plate is than directly spray The efficiency of foam is high by 40%, and reason is that foam has flexibility, transmutability, and froth breaking baffle plate can improve spray Drench impulsive force, form secondary froth breaking effect, can farthest play the effect of froth breaking spray.

Accompanying drawing explanation

Fig. 1 is the sectional schematic diagram along flotation cell cross section of the present utility model；

Fig. 2 is front schematic view of the present utility model；

Fig. 3 is the I part partial enlarged drawing of Fig. 1；

Fig. 4 is in Fig. 2 structure, the schematic top plan view of microvesicle generation bed；

Fig. 5 is the structural representation of mine tailing overflow launder；

Fig. 6 is the structural representation of double sleeve fluidic module；

Fig. 7 is the top view of Fig. 6.

Illustrate each structure as follows with component names corresponding relation of the present utility model:

A-flange connecting point

10-flotation cell 20-microvesicle generation bed

There is microvesicle pipe 21c-sidepiece microvesicle pipe in the middle of the 21b-of hole in 21-microvesicle pipe 21a-microvesicle

22-linking arm 23-power arm 24-mixing baffle

25-gas piping 26-detergent line

30-hydraulic transmission assembly 40-drives rabbling mechanism

41-shell body 42-drives turbine 43-frequency conversion motor 44-diversion mixing impeller

50-circulates ore pulp pipe 51-circulating pump 60-mine tailing overflow launder

61-liquid level baffle plate 62-current stabilization baffle plate 63-plup inlet 64-controllable register

The double sleeve fluidic module 80-floatation feed of 70-has pressure surge tank

81-tank body 82-compressed air hose 82a-molten edema caused by disorder of QI arm 83-discharge nozzle

83a-kinetic pump 84-valve plate 85-stretches spring 86-pressure transducer

90-bubble overflow launder 91-froth breaking sieve plate

The circulating bubble assembly 101-that scrapes of 100-scrapes bubble plate

Bis-enrichment spray head 112-froth breaking spray heads of 110-clear water spray assemblies 111-

Detailed description of the invention

For ease of understanding, here in connection with Fig. 1-7, below specific embodiment of the utility model work Further describe:

Particular make-up part of the present utility model, is divided into several big module, including: flotation cell 10, floating It is selected into material to have pressure surge tank 80, double sleeve fluidic module 70, drive rabbling mechanism 40, microvesicle to send out Raw bed 20, circulating scraping steep assembly 100, clear water spray assemblies 110 and tailing tank.Below by One is been described by:

1, floatation feed has pressure surge tank

Its structure is as it is shown in figure 1, include the tank body 81 sealing tubular, lead coaxial in tank body 81 Lappet puts compressed air hose 82.The top air inlet connection external air source of compressed air hose 82, and Bottom air outlet section is then layered in other words conj.or perhaps with forked distribution and dendritic is disposed with many molten edema caused by disorder of QI arms 82a, thus carry out gas discharge by the venthole on molten edema caused by disorder of QI arm 82a.Tank body 81 inner chamber Except arranging that the remainder of compressed air hose 82 all constitutes the receiving chamber for accommodating pan feeding ore pulp. Pan feeding ore pulp enters via the floatation feed pipe being arranged at tank body 81 end face, and constructs with spring Valve plate 84 carry out elastic force regulation and control, be in intended height with ore pulp height in guaranteeing tank body 81 all the time In the range of.By arranging pressure transducer 86, unit with good conditionsi can have pressure slow floatation feed Rush the control of tank 80 internal pressure, include automatic control system in.

This utility model has pressure surge tank 80 to replace existing floatation feed by using floatation feed Buffer Pool, it is achieved that bubble dissolving in ore pulp, provides good condition for follow-up microfoam flotation. Floatation feed is from the upper strata of Factory Building, when floatation feed is normal, merely with vertical floatation feed Pipe is full of dereism during ore pulp, i.e. can ensure that the pressure in tank body 81.Floatation feed pipe with The junction of tank body 81 is designed with valve plate 84 and stretches the elastic self-closing valve that spring 85 is formed. And when floatation feed less (when including without floatation feed), elastic self-closing valve is automatically switched off, with Ensure that the pressure in tank body 81 is in stationary value.Compressed air passes through compressed air hose 82 by tank body 81 introduced above, tank body 81 is disposed with a plurality of molten edema caused by disorder of QI arm 82a, thus allows air Saturated it is dissolved in ore pulp.

2, double sleeve fluidic modules

Floatation feed has the ore pulp in pressure surge tank 80 by kinetic pump 83a, is delivered to float along pipeline Select at the driving rabbling mechanism 40 above groove 10.Meanwhile, floatation feed dilution water and medicament then lead to Cross double sleeve fluidic module 70 dispersion mixing uniform, and by another group Pipeline transport to main pipeline. Specifically can refer to shown in Fig. 1 and Fig. 6-7.

Dilution water is shoot-off tangentially into the mixing chamber of power stream device, and secondary mjector is arranged on master The top of mjector, the trunnion of secondary mjector is arranged in power stream device mixing chamber.

The working fluid of secondary mjector is compressed air, and driving fluid is floating agent, penetrates in pair Under the work of stream device, medicament is dispersed into emulsion.Under the work of power stream device, air Divided with medicament, cut scattered, air and medicament ore deposit presented in microvesicle and fine droplet respectively In slurry, provide good condition for follow-up flotation operation.

As it is shown in figure 1, the trunnion Position Design of power stream device has flange connecting point a, with convenient When pipeline abrasion and blocking, it is possible to quickly carry out upkeep operation.

3, rabbling mechanism is driven

The stirring structure of existing flotation device is divided into two big classes, the rabbling mechanism of agitation impeller flotator Also known as stator-rotator system, by motor-driven, rotating speed is fast, and energy consumption is big, and maintenance capacity is big, but fills Tolerance is guaranteed, can be that flotation cell provides turbulent flow environment.On-mechanical agitation type flotation machine is without blender Structure, uses pump to provide energy for ore pulp, by the jet of ore pulp, collision dispersion, draws enough Air, shortcoming is to need supporting pump, and energy consumption is big；Further, since to ensure enough ore deposit amounts Flow and inspiration capacity, flotation cell flow field excessive turbulence, cause the granule of mineralising floating Journey comes off.

Design a kind of low energy consumption, flotation effect flotation device good, easy maximization is always flotation device Study hotspot.This patent uses the residual power of ore pulp transport, drives driving of flotation cell 10 front portion Dynamic rabbling mechanism operating.Rabbling mechanism 40 is driven also to include frequency conversion motor 43, when ore pulp driving force Time not enough, frequency conversion motor 43 works, to guarantee that rotating shaft 45 rotates with certain speed all the time.Drive Dynamic rabbling mechanism also includes driving turbine 42, upper strata diversion mixing impeller, lower floor's diversion mixing impeller With the shell body 41 constituting stir chamber environment.With reference to shown in Fig. 1-2, drive turbine 42 by The driving force of ore pulp, drives rotating shaft 45 and diversion mixing impeller 44 to rotate.Diversion mixing impeller 44 Jointly coordinate with the inwall of shell body 41, can the ore pulp of horizontal movement progressively be guided into vertical Motion, is changing during kinestate reducing fluid, the loss of energy.During concrete operations, Diversion mixing impeller 44 can have three kinds of forms for use, including right angle diversion mixing impeller, inclines Angle diversion mixing impeller and spiral stream guidance agitator arm, can change as required.Wherein, incline Angle diversion mixing impeller and spiral stream guidance agitator arm are during guiding fluid motion, it is also possible to Portion of energy is converted into driving energy, contributes to the rotation of rabbling mechanism.Medicament, ore pulp and bubble Under the effect of above-mentioned rabbling mechanism and shell body 41, it is sufficiently mixed collision, it is achieved the ore deposit of bubble Change, simultaneously for the carrying out of floatation process in flotation cell 10, it is provided that good flow field environment.

4, microvesicle generation bed

Existing flotation device cell body is separated into 4-6 groove more, why cell body is separated into independence Several parts, major reason is that every part needs to arrange an independent stirring structure.And this practicality Novel flotation cell 10 is with reference to shown in Fig. 1-2 and Fig. 4, and it is logical cell structure, that is to say one Centre does not has the cell body of dividing plate, such that it is able to adapt to Different Plane Factory Building layout very well.Run through whole Flotation cell 10 arranges microvesicle generation bed 20.Microvesicle generation bed 20 at least includes occurring with microvesicle The microvesicle pipe 21 of hole 21a, fixing each microvesicle pipe 21 with the linking arm 22 of end, power arm 23 with And it is positioned at the mixing baffle 24 below microvesicle pipe 21.Wherein mixing baffle 24 profile is with reference to Fig. 1 institute Showing, for arc plate structure, and its plate length is isometric with microvesicle length of tube, the center of curvature of arc towards Then point to the swing ascent direction of corresponding microvesicle pipe 21.Microvesicle pipe 21 tube chamber connects gas piping 25, Gas occurs hole to form microvesicle by microvesicle, fills the air the diverse location of whole flotation cell 10, very Just accomplishing without flotation " dead band ".Microvesicle pipe 21 tube chamber is also connected with detergent line 26, in a period of time Clean once, it is to avoid microvesicle generation hole plug.Mixing baffle 24 is used for avoiding flotation cell 10 to occur " desilting " situation.Gas piping 25 and detergent line 26 can use flexible pipe to make, to ensure The reliable pendulum-type action of microvesicle generation bed 20.

During this utility model specific works, microvesicle generation bed 20 is in the effect of hydraulic transmission assembly 30 Under, shake along oblique upper.The shake frequency of microvesicle generation bed 20 is below 30 times, to guarantee to float The flow field selecting groove 10 is in a suitable turbulent condition, not only improves the floating of mineral laden bubble, Ensure that again the granule of mineralising will not come off from bubble.

5, circulating bubble assembly is scraped

This utility model aeration quantity is big, and flotation effect is good, scrapes to be collected by flotation froth timely Go out, provide good environment for follow-up floatation process, devise circulating scraping and steep assembly 100. As shown in Figures 1 and 3, circulating bubble assembly 100 entirety of scraping presents conveying band structure, by closing Ring type scrapes bubble band and corresponding actuating unit forms, and closed loop is scraped bubble band outer surface and then arranged and scrape Bubble plate 101.Whole circulating bubble assembly 100 of scraping designs above flotation cell 10 groove face, full groove face Uninterruptedly scrape bubble.

6, spray equipment and tailing tank

This utility model aeration quantity is big, and flotation effect is good, foam thickness, in order to improve concentrate grade There is provided convenient with for the transport of follow-up foam, set at bubble overflow launder 90 and flotation cell 10 intersectional region Put secondary enrichment spray head 111 and froth breaking spray head 112, share one group of clear water pipeline.Performance When structure shown in Fig. 1 and Fig. 3, at the bubble overflow launder 90 constituting tailing tank, also set up three The froth breaking sieve plate 91 of layer froth breaking.It was verified that the use of froth breaking sieve plate 91 is than directly spray The efficiency of foam is high by 40%, and reason is that foam has flexibility, transmutability, and froth breaking sieve plate 91 can improve Spray impulsive force, forms secondary froth breaking effect, can farthest play above-mentioned froth breaking spray Effect.

Simultaneously, for stablizing of whole flotation cell 10 liquid level and froth bed, " several " are devised The tailing tank of type, mine tailing namely final buildup can be discharged by " several " type tailing tank." several " The tailing tank of type uses three layers of baffle plate general layout, namely liquid level baffle plate 61, current stabilization baffle plate 62 and can lead The controllable register 64 of vertical activity, with reference to shown in Fig. 1 and Fig. 6.Mine tailing is from flotation cell 10 rear portion Bottom move upward along plup inlet 63 at mine tailing overflow launder 60 bottom land, climb over current stabilization baffle plate 62 With controllable register 64, finally discharge from mine tailing mouth.

7, ore pulp blood circulation

Arranging ore pulp blood circulation in flotation device, this system is made up of, such as Fig. 2 two groups of agitating units Shown in, connect each other with circulation ore pulp pipe 50 between two groups of agitating units, and provide with circulating pump 51 Ore pulp circulation power.By said structure, thus the coal slime of non-mineralising can be allowed to have more floating several Rate, thus promote screening effect and the utilization rate of pan feeding ore pulp, and its flotation cost can be significantly reduced. During specific works, initial at this flotation device pan feeding, ore pulp is all delivered to the mixed liquor of flotation agent The agitating unit of left section of Fig. 2, at the agitating unit of left section, the ore pulp of non-mineralising is then formed preliminary At buildup, and the agitating unit of be delivered to Fig. 2 by the circulating pump bottom flotation cell 10 right section, To carry out secondary flotation.

To sum up, structure of the present utility model and working mechanism collect coal slime size mixing and flotation function in one Body, it might even be possible to ban traditional floatation feed and size mixing link, and directly use of the present utility model Size mixing flotation integrated system.Without running up parts in its composition structure, maintenance capacity is low, and coal slime is divided Select effective.Using this flotation device can reduce the equipment investment of coal preparation plant's early stage, whole flotation is made Industry is more energy-conservation than traditional floatation process and equipment, can guarantee its work efficiency and flotation effect While, the reduction of production cost is the most obvious.

Claims (10)

1. have function of certainly sizing mixing waves a stirring-type floatation equipment, at least includes flotation cell (10), it is characterised in that: the microvesicle being arranged for carrying out floating operation in flotation cell (10) is sent out Raw bed (20), described microvesicle generation bed (20) includes the micro-of more than three and arrangement alongside one another Bubble pipe (21), the two ends of microvesicle pipe (21) are respectively arranged a linking arm (22) with fixing each The same end of microvesicle pipe (21)；This equipment also includes for introducing compressed-air actuated gas piping, Gas piping connects each microvesicle pipe (21) tube chamber via the air flue preset in linking arm (22), respectively The tube wall of microvesicle pipe (21) gather for spray gas microvesicle occur hole (21a)；This equipment is also Including the power arm (23) that microvesicle generation bed (20) can be made along its bed surface direction to produce pendulum-type action, Power arm (23) is at the both sides being arranged in microvesicle generation bed (20) of two and symmetry；At structure To flotation cell (10) at the lowermost end bus of the microvesicle pipe (21) of one-tenth microvesicle generation bed (20) Bottom land is extended with mixing baffle (24), and the vertical microvesicle in plate face of described mixing baffle (24) occurs The swaying direction of bed (20).

The most according to claim 1 a kind of have wave stirring-type flotation from size mixing function Equipment, it is characterised in that: described microvesicle generation bed (20) profile is spaced in by microvesicle pipe (21) The arc surfaced frame structure that uniformly arrangement is formed；With the lead through middle microvesicle pipe (21b) axis Vertical plane is the plane of symmetry, be positioned at sidepiece microvesicle pipe (21c) of middle microvesicle pipe (21b) both sides all with This plane of symmetry and face is arranged symmetrically with；Gas piping (25) is positioned at the one of middle microvesicle pipe (21b) End, the other end middle microvesicle pipe (21b) is arranged and is used for introducing clear water to perform cleaning The detergent line (26) of operation.

The most according to claim 2 a kind of have wave stirring-type flotation from size mixing function Equipment, it is characterised in that: described microvesicle pipe (21) axis direction parallel flotation groove (10) flute length Direction；Power arm (23) is to be arranged in the hydraulic transmission assembly (30) outside flotation cell (10) groove end Drive；One section of shaft level of power arm (23) extends to the end of middle microvesicle pipe (21) And fixed thereto, another section of shaft of power arm (23) then tilts upward extension and hydraulic drive Fix between the kinetic swing moved end of assembly (30).

4. have according to a kind of described in claim 1 or 2 or 3 and stir from waving of function of sizing mixing Mix formula floatation equipment, it is characterised in that: this equipment also includes for performing the stirring operation of ore pulp pan feeding Driving rabbling mechanism (40), this driving rabbling mechanism (40) is suspended at flotation cell (10) groove Locate above Kou；The discharging opening driving rabbling mechanism (40) points at microvesicle generation bed (20) bed surface, And and the active path of microvesicle generation bed (20) between space dodge layout；Described driving rabbling mechanism (40) shell body (41) of downward opening tubbiness is included, coaxially arranged in shell body (41) The rotating shaft (45) of axis vertical, at the hypomere axle body of rotating shaft (45), coaxial sleeve is provided with diversion mixing Impeller (44), coaxial fixed drive turbine (42) at the epimere of rotating shaft (45)；In shell body (41) Periphery wall at run through and be disposed with the main pipeline for pan feeding, the discharging direction of described main pipeline is pointed to Drive at the impeller blade of turbine (42)；This equipment also includes turning for process auxiliary drive rotating shaft (45) Dynamic frequency conversion motor (43).

The most according to claim 4 a kind of have wave stirring-type flotation from size mixing function Equipment, it is characterised in that: the opening part of described shell body (41) presents the loudspeaker that bore gradually extends out Mouth columnar structure；Diversion mixing impeller (44) is two groups and along rotating shaft (45) axis direction successively Coaxially arranged；The bore of two groups of diversion mixing impellers (44) increases the most successively.

The most according to claim 4 a kind of have wave stirring-type flotation from size mixing function Equipment, it is characterised in that: described driving rabbling mechanism (40) is two groups of laid out in parallel, two groups Drive rabbling mechanism (40) to share a main pipeline, and these two groups drive rabbling mechanism (40) The flute length direction in laid out in parallel direction parallel flotation groove (10)；Rabbling mechanism is driven with above-mentioned two groups (40) being one group of agitating unit, described agitating unit is two groups and along flotation cell (10) flute length side Arrange to sequentially；At flotation cell (10) bottom land pointed by the discharging opening of first group of agitating unit It is disposed with the circulation ore pulp pipe (50) for buildup at the bottom of lead-out groove, circulation ore pulp pipe (50) place cloth Put the circulating pump (51) for providing tubular body buildup to pump out power, circulation ore pulp pipe (50) The port of export connect the main line arrival end of second group of agitating unit, be positioned at second group of agitating unit institute Flotation cell (10) groove end at arrange for drawing the tailing tank of buildup at this.

The most according to claim 6 a kind of have wave stirring-type flotation from size mixing function Equipment, it is characterised in that: described tailing tank includes mine tailing overflow launder (60), mine tailing overflow launder (60) The cell wall of side, relatively close agitating unit place form liquid level baffle plate (61) and this height of baffle plate is high Ore pulp froth bed maximum height in flotation cell (10), the opposite side of mine tailing overflow launder (60) Cell wall then forms current stabilization baffle plate (62) and this height of baffle plate equal to the pulp slurry in flotation cell (10) Face minimum altitude, offers at the bottom land of mine tailing overflow launder (60) for entering that buildup from bottom to top pours in Material hole (63)；Can be along current stabilization baffle plate (62) being disposed with of plate face, current stabilization baffle plate (62) place laminating Direction, plate face make the controllable register (64) of vertical motion, buildup via current stabilization baffle plate (62) and Downflow weir that controllable register (64) is collectively formed and be expelled to external equipment.

8. have according to a kind of described in claim 1 or 2 or 3 and stir from waving of function of sizing mixing Mix formula floatation equipment, it is characterised in that: the feed end of main pipeline is dichotomous structure, one import End connection is for double sleeve fluidic modules (70) of jet floating agent, and the connection of another entrance point is floating It is selected into material and has pressure surge tank (80)；Described floatation feed has pressure surge tank (80) to include that tubular is close The tank body (81) of envelope, the compression being disposed with connection external air source of tank body (81) interior axis vertical Air hose (82), being positioned at the periphery wall of body of compressed air hose (82) is forked outside It is extended with molten edema caused by disorder of QI arm (82a), the upper venthole that gathers of molten edema caused by disorder of QI arm (82a)；Tank body (81) Bottom end arrange that discharge nozzle (83), to connect above-mentioned main pipeline, is arranged in this discharge nozzle as dynamic The kinetic pump (83a) of power；Keep away with compressed air hose (82) space at the top end face of tank body (81) Allow is disposed with floatation feed hole, the floating for feed slurry outside the connection of described floatation feed hole Select feeding pipe；What fitted in face at the nose end being positioned at tank body (81) inner chamber, floatation feed hole is disposed with Valve plate (84), valve plate (84) is fixed at above-mentioned nose end to stretch spring (85)；Flotation enters Material has pressure surge tank (80) place to there also is provided the pressure sensing of pressure in monitoring tank body (81) Device (86).

9. have according to a kind of described in claim 1 or 2 or 3 and stir from waving of function of sizing mixing Mix formula floatation equipment, it is characterised in that: the both sides cell wall along the length direction of flotation cell (10) Place is disposed with bubble overflow launder (90), and bubble overflow launder (90) is arranged in outside flotation cell cell wall Side-walls is also constituted overflow wall with the lateral wall of above-mentioned cell wall；This equipment includes circulating scraping bubble assembly (100), circulating bubble assembly of scraping is conveyer belt columnar structure, and the closed loop constituting conveyer belt belt body is scraped The outer surface of bubble band is arranged and is scraped bubble plate (101), scrapes the vertical closed loop in plate face of bubble plate (101) Scrape the direction of action of bubble band；This equipment also includes clear water spray assemblies (110), clear water spray assemblies (110) secondary enrichment spray head (111) and froth breaking spray head (112), secondary enrichment spray are included The water jet drenching head (111) is positioned at the circulating close bubble overflow launder (90) scraping bubble assembly (100) At the top of side and water spraying direction point to closed loop scrape bubble band belt body, froth breaking spray head (111) Water jet be positioned at the surface of bubble overflow launder (90) and water spraying direction point to bubble overflow launder (90) bottom land.

The most according to claim 9 a kind of have wave stirring-type flotation from size mixing function Equipment, it is characterised in that: horizontally disposed in the cell body of described bubble overflow launder (90) have at least one Layer is for the froth breaking sieve plate (91) of froth breaking.