CN105689157B - It is a kind of to wave stirring-type floatation equipment with function of sizing mixing certainly - Google Patents

Abstract

Sized mixing flotation process field the present invention relates to coal slime, and in particular to it is a kind of have from function of sizing mixing wave stirring-type floatation equipment.The present invention at least includes setting microvesicle to occur bed in flotation cell, flotation cell, and bed, which occurs, for microvesicle includes microvesicle pipe, and the two ends of microvesicle pipe are respectively arranged a linking arm with the same end of fixed each microvesicle pipe；This equipment also includes gas piping, and gas piping connects each microvesicle pipe tube chamber via default air flue in linking arm, and the tube wall of each microvesicle pipe, which gathers for spraying the microvesicle of gas, occurs hole；This equipment also includes power arm, and power arm is two and the symmetrical microvesicle that is arranged in occurs at the both sides of bed；The lowermost end of microvesicle pipe is extended with mixing baffle, and the swaying direction of bed occurs for the vertical microvesicle of plate face of mixing baffle.The present invention possess microfoam flotation excellent, bubble mineralization be easier, flotation cell without flotation " dead band " and the more stable advantage of froth bed, operating efficiency and flotation effect can be effectively ensured.

Description

It is a kind of to wave stirring-type floatation equipment with function of sizing mixing certainly

Technical field

Sized mixing flotation process field the present invention relates to coal slime, and in particular to it is a kind of have from function of sizing mixing 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 slimes, is even more -0.1mm coal slimes The only effective method for separating.The species of flotation device is various, and difference is mainly manifested in airing form, inflating and stirring device structure etc. Aspect.Most classification are applied at present, are that flotation device is divided into mechanical agitation type and nothing by inflation is different with agitating mode The major class of mechanical agitation type two.Agitation impeller flotator, can refer to the title that Chinese patent notification number is " CN201711220U " Described in " agitation impeller flotator ", it is the stirring using mechanical agitator to complete suction and the cutting procedure of bubble. Churned mechanically flotation mode is had the history of last 100 yearses by ore dressing to coal separation, it can provide disorderly for flotation cell using the most remote Environment is flowed, but shortcoming is that energy consumption is big and maintenance capacity is big.Pneumatic flotation cell is also known as without agitation impeller flotator, having makes sky Gas forces the air pressing type structure diffused by micropore, with reference to the entitled " pillar that Chinese patent notification number is " CN2671690 " Described in flotation device "；The injection that useful jetstream whirl means produce forced vortex cutting air and make air be separated out again after dissolving Formula, such as FJC (A) series flotation device, XPM jetstream whirl formulas etc..On-mechanical agitation type flotation machine is adopted due to without rabbling mechanism Energy is provided for ore pulp with pump, it is scattered by the jet of ore pulp, collision, enough air are drawn, have the disadvantage the supporting pump of needs, And energy consumption is big.In addition, on-mechanical agitation type flotation machine is due to that will ensure enough ore deposit amount flow and inspiratory capacity, flotation cell flow field Usually excessive turbulence, causes the particle of mineralising to be come off in floating-upward process, so as to influence flotation effect.How one kind is sought Structure more reasonable and practical new floatation equipment, so that it is possessing more low energy consumption, more low maintenance and lower production costs While, can synchronously possess more preferable bubble mineralization and flotation effect, be this area technical barrier urgently to be resolved hurrily in recent years.

The content of the invention

It is an object of the invention to overcome above-mentioned the deficiencies in the prior art reasonably to have certainly there is provided a kind of simple in construction Function of sizing mixing waves stirring-type floatation equipment, with the efficient and controllable efficient flotation separation demand for realizing ore pulp.It possesses microvesicle Flotation effect is splendid, bubble mineralization is easier, flotation cell is without flotation " dead band " and the more stable advantage of froth bed, work effect Rate and flotation effect can be effectively ensured.

To achieve the above object, present invention employs following technical scheme：

It is a kind of to wave stirring-type floatation equipment with function of sizing mixing certainly, at least including flotation cell, it is characterised in that：Flotation Bed occurs for the microvesicle that floating operation is arranged for carrying out in groove, and bed, which occurs, for the microvesicle includes more than three and arrangement alongside one another Microvesicle pipe, the two ends of microvesicle pipe are respectively arranged a linking arm with the same end of fixed each microvesicle pipe；This equipment also includes using In the gas piping for introducing compressed air, gas piping connects each microvesicle pipe tube chamber via default air flue in linking arm, each micro- The tube wall of bubble pipe, which gathers for spraying the microvesicle of gas, occurs hole；This equipment also includes microvesicle can be made to occur its bed surface direction of edge of bed The power arm of pendulum-type action is produced, power arm is two and the symmetrical microvesicle that is arranged in occurs at the both sides of bed；Constituting microvesicle Mixing baffle is extended with to the bottom land of flotation cell at the lowermost end bus for the microvesicle pipe for occurring bed, the plate face of the mixing baffle is hung down The swaying direction of bed occurs for straight microvesicle.

It is in the arc surfaced frame structure uniformly arranged and formed by microvesicle pipe interval that bed profile, which occurs, for the microvesicle；With in process Between the vertical guide of microvesicle pipe axis be the plane of symmetry, the sidepiece microvesicle Guan Jun positioned at middle microvesicle pipe both sides faces with the plane of symmetry Claim arrangement；Gas piping is located at an end portion of middle microvesicle pipe, is arranged in the other end of middle microvesicle pipe for introducing clear water To perform the detergent line of washing and cleaning operation.

The microvesicle tube axis direction parallel flotation groove flute length direction；Liquid of the power arm to be arranged on the outside of flotation cell groove end Press transmission component driving；End extension and fixed thereto, power arm of the one section of shaft level of power arm to middle microvesicle pipe Another section of shaft then tilt upward extension and fixed between the power swinging end of hydraulic transmission assembly.

This equipment also includes being used to perform the driving rabbling mechanism that ore pulp pan feeding stirs operation, and the driving rabbling mechanism is outstanding to be set At flotation cell notch top；Drive the discharging opening of rabbling mechanism to point to microvesicle to occur at bed bed surface, and occur bed with microvesicle Space avoids arrangement between active path；The driving rabbling mechanism includes same in the shell body of downward opening tubbiness, shell body Axle arranges that coaxial sleeve is provided with coaxial at diversion mixing impeller, the epimere of rotating shaft at the rotating shaft of axis vertical, the hypomere axle body of rotating shaft Fixed drive turbine；Through the main pipeline being disposed with for pan feeding, the discharging side of the main pipeline at the periphery wall of shell body At to the impeller blade for pointing to driving turbine；This equipment also includes the variable-frequency motor for process auxiliary drive axis of rotation.

The bell mouth shape construction that bore is gradually extended out is presented at the opening of the shell body；Diversion mixing impeller be two groups simultaneously Sequentially coaxially arranged along shaft axis direction；The bore of two groups of diversion mixing impellers from top to bottom increases successively.

The driving rabbling mechanism is two groups of laid out in parallel, and two groups of driving rabbling mechanisms share a main pipeline, and should The flute length direction of the laid out in parallel direction parallel flotation groove of two groups of driving rabbling mechanisms；Using above-mentioned two groups of driving rabbling mechanisms as one Group agitating unit, the agitating unit is two groups and sequentially arranged along flotation cell flute length direction；In going out for first group of agitating unit It is disposed with flotation cell bottom land pointed by material mouth at the circulation ore pulp pipe for lead-out groove bottom buildup, circulation ore pulp pipe and arranges use The circulating pump of power is pumped out in offer tubular body buildup, the port of export of circulation ore pulp pipe connects the supervisor of second group of agitating unit Road arrival end, the tailing tank for drawing buildup at this is arranged at the flotation cell groove end where second group of agitating unit.

The tailing tank includes mine tailing overflow launder, and the cell wall of side is formed where the relatively close agitating unit of mine tailing overflow launder Liquid level baffle plate and the height of baffle plate are higher than the ore pulp froth bed maximum height in flotation cell, and the opposite side cell wall of mine tailing overflow launder is then Current stabilization baffle plate and the height of baffle plate are formed less than the mineral syrup liquid minimum altitude in flotation cell, is opened up at the bottom land of mine tailing overflow launder The plup inlet from bottom to top poured in for buildup；Being disposed with for plate face laminating can be along the plate face direction of current stabilization baffle plate at current stabilization baffle plate Make the controllable register of vertical motion, buildup is expelled to outside via the downflow weir that current stabilization baffle plate and controllable register are collectively formed Equipment.

The feed end of main pipeline is dichotomous construction, and one entrance point connects double sleeve jets for jet floating agent Component, another entrance point connection floatation feed has pressure surge tank；The floatation feed has pressure surge tank to include the tank of cartridge seal The compressed air hose for being disposed with connection external air source of axis vertical in body, tank body, being located at for compressed air hose is outer in body It is forked at perisporium to be outward extended with molten qi leel branch pipe, molten qi leel branch pipe the venthole that gathers；The bottom end arrangement discharging of tank body Pipe arranges the kinetic pump as power to connect above-mentioned main pipeline, in the discharge nozzle；At the top end face of tank body and compressed air hose What space was avoided is disposed with the floatation feed pipe for feed slurry outside floatation feed hole, the floatation feed hole connection； What floatation feed hole face at the nose end positioned at tank inner chamber was fitted is disposed with valve plate, and valve plate is fixed on above-mentioned hole with extension spring At end；Floatation feed has the pressure sensor that there also is provided at pressure surge tank for monitoring pressure in tank body.

Bubble overflow launder is disposed with along the both sides cell wall on the length direction of flotation cell, bubble overflow launder is arranged in flotation Overflow wall is constituted at the lateral wall of groove cell wall and with the lateral wall of above-mentioned cell wall；This equipment scrapes bubble component, circulation including circulating Formula scrapes bubble component in transport banded structure, and the outer surface arrangement that composition closed loop of the conveyer belt with body scrapes bubble band scrapes bubble plate, scrapes The vertical closed loop of plate face of bubble plate scrapes the direction of action of bubble band；This equipment also includes clear water spray assemblies, clear water spray assemblies bag Secondary enrichment spray head and froth breaking spray head are included, the water jet of secondary enrichment spray head is located at the circulating close gas for scraping bubble component Steep at the top of overflow launder side and water spraying direction points to closed loop and scrapes bubble band band body, the water jet of froth breaking spray head is positioned at bubble At the surface of overflow launder and water spraying direction point to bubble overflow launder bottom land.

It is horizontally disposed in the cell body of the bubble overflow launder to have at least one layer of froth breaking sieve plate for froth breaking.

The beneficial effects of the present invention are：

1), the present invention is on the basis of based on traditional flotation slot type floatation equipment, occurs bed as micro- using unique microvesicle Be soaked raw matrix, and the pendulum model for occurring bed by microvesicle acts to coordinate being continuously generated for microvesicle, has both ensured the flow field of flotation cell In a suitable turbulent condition, so as to be conducive to the floating of mineral laden bubble, ensure that the particle of mineralising will not be from gas again Come off on bubble, to increase flotation efficiency.The separation trough construction of traditional flotation cell is different from, the present invention is led to single groove structure Bed occurs for the microvesicle crossed through whole flotation cell, so that the microvesicle of its generation can diffuse whole floating with its pendulum-type action The diverse location of groove is selected, the efficient flotation separation purpose of no flotation " dead band " is truly realized.Mixing baffle is arranged on the lower section of microvesicle pipe, Ore pulp at flotation cell bottom land is constantly brushed against so as to occur the wobbling action of bed with microvesicle, it is " heavy to avoid flotation cell from occurring It is husky " situation, final further lifting flotation of ore pulp effect.

It is to sum up, of the invention only to force the floatation equipment of diverging different by purely mechanic revolution agitation and inflation from traditional, The present invention is acted based on energy-conservation and the premise of low maintenance capacity with more simplified structure design and more gentle swing-bed, from And realize the bubble mineralization function of more preferable effect and the flotation cell flotation effect without flotation " dead band ".Practice have shown that, it is of the invention Flotation mode possesses that microfoam flotation is better, bubble mineralization is easier, flotation cell without flotation " dead band " and froth bed more Stable advantage, operating efficiency and flotation effect can be effectively ensured.

2), bed, the cambered surface channel-shaped framework construction at least constituted including microvesicle pipe and linking arm occur for microvesicle.Flue Road is located at the groove end that the cambered surface groove-like structure of bed occurs for microvesicle, to ensure pouring in for external compression gas in good time, and then ensures On microvesicle pipe millimetre-sized microvesicle occur hole being capable of continuous outlet.Detergent line, which is located at microvesicle, to be occurred at another groove end of bed, with Bed occurs for microvesicle of cleaning in a period of time, it is to avoid above-mentioned microvesicle generation hole even linking arm and microvesicle pipe tube chamber occur stifled Plug, to lift its functional reliability.

3), power arm, herein only as power transmission and passive tilting member, actual driving operation should also be by outer The hydraulic transmission assembly in portion is realized.During concrete operations, hydraulic transmission assembly gives power arm to swing by hydraulic power It is passed to microvesicle and occurs bed by power, power arm.Because the tie point liquid relative with power arm of bed occurs with respect to microvesicle for power arm The torque difference of the tie point of transmission component is pressed, microvesicle occurs bed and starts to produce pendular movement, and then coordinates the microvesicle of microvesicle pipe Production capacity, it is final to realize the flotation of ore pulp effect optimized.

4), driving stirring structure is one of emphasis of the present invention, is that the stirring entered as ore pulp before flotation cell is mixed Close process and exist.The present invention transports the driving turbine rotation in produced power drive rotating shaft with ore pulp, and then drives Diversion mixing impeller produces fluid agitation action.In addition, rotating shaft is also connected with variable-frequency motor, when ore pulp driving force is not enough, becomes Frequency motor works, and is rotated all the time with certain speed with ensuring diversion mixing impeller.The effect of the circumferential inner wall of shell body be by The ore pulp of horizontal movement, progressively guides into vertical movement, to reduce fluid during motion state is changed, the damage of energy Consumption.Shell body oral area horn mouth design, be conducive to ore pulp along shell body gush out when rapid dispersion so that slow down while energy The microvesicle for more occurring to produce at bed with the microvesicle of underface produces bubble parcel effect, and then lifts its flotation efficiency.

5), the arrangement of multigroup driving rabbling mechanism and multigroup agitating unit, improves the flotation effect of ore pulp.It is relative to pass The single flotation of system is that the obvious flotation for doubling to improve ore pulp of the present invention is utilized for taking out the mode of buildup ore pulp at once Rate, it is clear that contribute to reduce flotation cost, and and then lifted producer production interests.

6), the layout of tailing tank is another emphasis of the present invention, passes through the unique texture of tailing tank so that the operation of buildup Advanced in unique " several " shape in path.On the one hand, in flotation cell just flotation ore pulp and bubble parcel concentrate quilt The outermost liquid level baffle plate of mine tailing overflow launder is blocked, and is unlikely to unexpected flow into and is discharged unintentionally in tailing tank.On the other hand, two It is secondary it is selected after useless ore pulp then via the plup inlet of mine tailing isopipe root, and climb over current stabilization baffle plate and the common shape of controllable register Into downflow weir, and reliably discharged flotation cell, and then place is vacated for follow-up pouring in for new ore pulp in good time.Controllable register Arrangement, the mineral syrup liquid allowed in the situation difference according to production scene, flotation cell highly certainly exists difference, such as flotation Mineral syrup liquid height is natively sufficiently high in groove, controllable register can be suitably raised, to avoid causing because of siphon effect having Can the unexpected overflow of flotation pulp go out above-mentioned downflow weir.Certainly, when mineral syrup liquid height is not high in flotation cell, it can be set according to original Meter, only relies on the current stabilization baffle plate flushing effect of itself.

7), as the feed liquor channel of whole stirring system, the present invention provides the dilute of floating agent with double sleeve fluidic modules Function is released, has pressure surge tank to provide ore pulp and the preliminary mixed function of compressed air with floatation feed, and then realize floating agent Dissolving step in ore pulp of preliminarily diluted and bubble, good condition is provided for follow-up microfoam flotation.

8), aeration quantity of the present invention is big, and flotation effect is good, foam thickness.Scraped to timely collect flotation froth, be Follow-up floatation process provides good environment, reciprocating float skimming device is devised, to ensure the continuous uninterrupted running of equipment. Meanwhile, in order to improve concentrate grade and provide facility for the transport of follow-up foam, set in bubble overflow launder and flotation cell intersectional region Secondary enrichment spray head and froth breaking spray head have been put, one group of detergent line is shared.In view of the secondary enrichment of the present invention, I.e. when mineral laden bubble has arrived the notch of flotation cell, bubble is largely assembled, and bubble rises floating speed reduction, and bubble merging increase is simultaneous And during hydration shell lower water is let out when rupturing can take away and be clipped in hydrophobicity difference in froth bed and the weaker impurity particle of absorption.Two Secondary enrichment spray head, come spraying foam layer, can strengthen above-mentioned secondary enrichment by the effect of drenching with rain.The effect of froth breaking spray head Position is at bubble overflow launder, and purpose is exactly for froth breaking；When the foam of collection will enter underlying collection bucket, if disappeared not in time Bubble will be diffused out from collecting vessel, be transported in addition from collecting vessel to flotation concentrate dehydration equipment using kinetic pump, the presence of foam Obviously also it is unfavorable for actual shipment.Froth breaking baffle plate is also set up in bubble overflow launder.It was verified that the use of froth breaking baffle plate than The efficiency high 40% of direct spraying foam, reason is that foam has flexibility, and changeability, froth breaking baffle plate can improve spray impulsive force, Secondary froth breaking effect is formed, the effect of froth breaking spray can be farthest played.

Brief description of the drawings

Fig. 1 is the sectional schematic diagram along flotation cell cross section of the invention；

Fig. 2 is front schematic view of the invention；

Fig. 3 is Fig. 1 I parts partial enlarged drawing；

Fig. 4 is in Fig. 2 structures, the schematic top plan view of bed occurs for microvesicle；

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

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

Fig. 7 is Fig. 6 top view.

The component names corresponding relation for illustrating each structure and the present invention is as follows：

A- flange connecting points

Bed occurs for 10- flotation cell 20- microvesicles

Microvesicle pipe 21c- sidepiece microvesicle pipes in the middle of the 21b- of hole occur for 21- microvesicle pipe 21a- microvesicles

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

25- gas piping 26- detergent lines

30- hydraulic transmission assemblies 40- drives rabbling mechanism

41- shell bodies 42- drives turbine 43- variable-frequency motor 44- diversion mixing impellers

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

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

The double sleeve fluidic module 80- floatation feeds of 70- have pressure surge tank

The molten qi leel branch pipe 83- discharge nozzles of 81- tank body 82- compressed air hoses 82a-

83a- kinetic pump 84- valve plate 85- extension spring 86- pressure sensors

90- bubble overflow launder 91- froth breaking sieve plates

The circulating bubble component 101- that scrape of 100- scrape bubble plate

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

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 10, floatation feed have pressure surge tank 80, Double sleeve fluidic modules 70, driving rabbling mechanism 40, microvesicle occur bed 20, circulating scrape and steep component 100, clear water spray assemblies 110 and tailing tank.It is been described by one by one below：

1st, floatation feed has pressure surge tank

Its structure is as shown in figure 1, include plumbing arrangement compressed air hose coaxial in the tank body 81 of sealing tubular, tank body 81 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 with forked distribution It is dendritic to be disposed with many molten qi leel branch pipe 82a, so as to carry out gas discharge by the venthole on molten qi leel branch pipe 82a.Tank body 81 inner chambers are except arranging that the remainder of compressed air hose 82 constitutes the accommodating chamber for accommodating pan feeding ore pulp.Pan feeding ore pulp is passed through Entered by the floatation feed pipe for being arranged in the top surface of tank body 81, and the valve plate 84 constructed with spring carries out elastic force regulation and control, with all the time Ensure that ore pulp is highly in the range of intended height in tank body 81.By arranging pressure sensor 86, conditional unit can be with Floatation feed there is the control of the pressure internal pressure of surge tank 80, include automatic control system.

The present invention has pressure surge tank 80 to replace existing floatation feed buffer pool by using floatation feed, realizes bubble Dissolving in ore pulp, good condition is provided for follow-up microfoam flotation.Upper strata of the floatation feed from factory building, works as floatation feed When normal, dereism during ore pulp is full of merely with vertical floatation feed pipe, you can ensure the pressure in tank body 81.In flotation The junction of feeding pipe and tank body 81 is designed with the elastic self-closing valve that valve plate 84 and extension spring 85 are formed.And when flotation enters Expect less (including during without floatation feed), elastic self-closing valve is closed automatically, to ensure that the pressure in tank body 81 is in stationary value. Compressed air is introduced by compressed air hose 82 by the top of tank body 81, and a plurality of molten qi leel branch pipe 82a is disposed with tank body 81, So as to allow the saturation of the air to be dissolved in ore pulp.

2nd, double sleeve fluidic modules

Floatation feed has the ore pulp in pressure surge tank 80 by kinetic pump 83a, along pipeline to the top of flotation cell 10 Drive at rabbling mechanism 40.Meanwhile, floatation feed dilution water and medicament are then uniform by double dispersion mixings of sleeve fluidic module 70, And by another group of Pipeline transport to main pipeline.Specifically it 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 fluidic device is arranged on the upper of power stream device Side, the trunnion of secondary fluidic device is arranged in power stream device mixing chamber.

The working fluid of secondary fluidic device is compressed air, and driving fluid is floating agent, in the work of secondary fluidic device Under, medicament is dispersed into emulsion.Under the work of power stream device, air and medicament are divided, cut scattered, air and medicament point Do not exist in the form of microvesicle and fine droplet in ore pulp, good condition is provided for follow-up flotation operation.

As shown in figure 1, the trunnion Position Design of power stream device has flange connecting point a, to facilitate pipeline to wear and tear and block When, it can quickly carry out upkeep operation.

3rd, rabbling mechanism is driven

The stirring structure of existing flotation device is divided into two major classes, and the rabbling mechanism of agitation impeller flotator is also known as stator-turn Subsystem, is driven by motor, and rotating speed is fast, and energy consumption is big, and maintenance capacity is big, but aeration quantity is guaranteed, and turbulent ring can be provided for flotation cell Border.On-mechanical agitation type flotation machine uses pump to provide energy for ore pulp without rabbling mechanism, scattered by the jet of ore pulp, collision, Enough air are drawn, have the disadvantage the supporting pump of needs, and energy consumption is big；Further, since to ensure enough ore deposit amount flow and suction Tolerance, flotation cell flow field excessive turbulence, causes the particle of mineralising to be come off in floating-upward process.

Design a kind of low energy consumption, flotation effect is good, the flotation device that easily maximizes is always flotation device study hotspot.This is specially The residual power that profit is transported with ore pulp, the anterior driving rabbling mechanism operating of driving flotation cell 10.Drive rabbling mechanism 40 also Including variable-frequency motor 43, when ore pulp driving force is not enough, variable-frequency motor 43 works, to ensure rotating shaft 45 all the time with certain speed Rotation.Rabbling mechanism is driven also to include driving turbine 42, upper strata diversion mixing impeller, lower floor's diversion mixing impeller and constitute stirring The shell body 41 of chamber environment.Shown in reference picture 1-2, driving turbine 42 drives rotating shaft 45 and water conservancy diversion by the driving force of ore pulp Agitator arm 44 is rotated.The inwall of diversion mixing impeller 44 and shell body 41 coordinates jointly, can be by the ore pulp of horizontal movement, progressively Vertical movement is guided into, to reduce fluid during motion state is changed, the loss of energy.During concrete operations, water conservancy diversion is stirred Three kinds of forms can be had to use by mixing impeller 44, including right angle diversion mixing impeller, inclination angle diversion mixing impeller and spiral stream guidance Agitator arm, can be changed as needed.Wherein, inclination angle diversion mixing impeller and spiral stream guidance agitator arm are in guiding fluid During motion, portion of energy can also be converted into driving energy, contribute to the rotation of rabbling mechanism.Medicament, ore pulp are gentle Bubble is sufficiently mixed collision, realizes the mineralising of bubble in the presence of above-mentioned rabbling mechanism and shell body 41, while being flotation cell 10 There is provided good flow fields environment for the progress of interior floatation process.

4th, bed occurs for microvesicle

It is separated into 4-6 groove more existing flotation device cell body, why cell body is separated into independent several parts, it is important Reason is that every part needs to arrange an independent stirring structure.And shown in flotation cell 10 the reference picture 1-2 and Fig. 4 of the present invention, It is logical cell structure, that is to say that a centre does not have the cell body of dividing plate, so as to adapt to Different Plane factory building layout very well.Pass through Wear whole flotation cell 10 and arrange microvesicle generation bed 20.The microvesicle that bed 20 at least includes occurring hole 21a with microvesicle occurs for microvesicle Pipe 21, fixed each microvesicle pipe 21 are with the linking arm 22 at end, power arm 23 and the mixing baffle 24 positioned at the lower section of microvesicle pipe 21.Its It is arc plate structure shown in the middle profile reference picture 1 of mixing baffle 24, and its plate length and microvesicle length of tube are isometric, the curvature of arc It is centrally directed, point to the swing ascent direction of corresponding microvesicle pipe 21.The tube chamber of microvesicle pipe 21 connects gas piping 25, and gas passes through Microvesicle occurs hole and forms microvesicle, diffuses the diverse location of whole flotation cell 10, is truly realized no flotation " dead band ".Microvesicle pipe 21 Tube chamber is also connected with detergent line 26, is cleaned once in a period of time, it is to avoid hole plug occurs for microvesicle.Mixing baffle 24 is used to avoid There is " desilting " situation in flotation cell 10.Gas piping 25 and detergent line 26 can be made using flexible pipe, to ensure microvesicle The reliable pendulum-type action of bed 20.

During specific works of the present invention, bed 20 occurs for microvesicle in the presence of hydraulic transmission assembly 30, is shaken along oblique upper.It is micro- Be soaked raw bed 20 shake frequency below 30 times, suitable turbulent condition is in the flow field for ensuring flotation cell 10, both Be conducive to the floating of mineral laden bubble, ensure that the particle of mineralising will not come off from bubble again.

5th, it is circulating to scrape bubble component

Aeration quantity of the present invention is big, and flotation effect is good, is scraped to timely collect flotation froth, is follow-up flotation Journey provides good environment, devises circulating scrape and steeps component 100.As shown in Figures 1 and 3, it is circulating to scrape the entirety of bubble component 100 Conveying band construction is presented, bubble band is scraped by closed loop and corresponding actuating unit is constituted, closed loop scrapes bubble band outer surface then Arrangement scrapes bubble plate 101.Whole circulating bubble component 100 of scraping is designed above the groove face of flotation cell 10, and full groove face uninterruptedly scrapes bubble.

6th, spray equipment and tailing tank

Aeration quantity of the present invention is big, and flotation effect is good, foam thickness, in order to improve concentrate grade and be carried for the transport of follow-up foam For facility, secondary enrichment spray head 111 and froth breaking spray head are provided with bubble overflow launder 90 and the intersectional region of flotation cell 10 112, share one group of clear water pipeline.When showing structure shown in Fig. 1 and Fig. 3, at the bubble overflow launder 90 for constituting tailing tank also The froth breaking sieve plate 91 of three layers of froth breaking is set.It was verified that efficiency high of the use than direct spraying foam of froth breaking sieve plate 91 40%, reason is that foam has flexibility, and changeability, froth breaking sieve plate 91 can improve spray impulsive force, forms secondary froth breaking effect, can Farthest to play the effect of above-mentioned froth breaking spray.

Simultaneously, for the stabilization of the whole liquid level of flotation cell 10 and froth bed, devise the tailing tank of " several " type, mine tailing I.e. final buildup can be discharged by " several " type tailing tank.The tailing tank of " several " type is using three layers of baffle plate general layout, namely liquid level gear Plate 61, current stabilization baffle plate 62 and can controllable register 64 from vertical to activity, shown in reference picture 1 and Fig. 6.Mine tailing is from the rear portion of flotation cell 10 Bottom moved upwards along plup inlet 63 at the bottom land of mine tailing overflow launder 60, climb over current stabilization baffle plate 62 and controllable register 64, finally from Mine tailing mouthful discharge.

7th, the ore pulp circulatory system

The ore pulp circulatory system is set in flotation device, and the system is made up of two groups of agitating units, as shown in Fig. 2 two groups of stirrings Connected each other between unit with circulating ore pulp pipe 50, and ore pulp circulation power is provided with circulating pump 51.By said structure, so as to Allow the coal slime of non-mineralising there are more floating probabilities, so as to lift the screening effect and utilization rate of pan feeding ore pulp, and can significantly drop Its low flotation cost.During specific works, initial in this flotation device pan feeding, the mixed liquor of ore pulp and flotation agent is all delivered to Fig. 2 Left section of agitating unit, the ore pulp of non-mineralising then forms preliminary buildup at left section of agitating unit, and passes through flotation cell 10 The circulating pump of bottom is delivered at Fig. 2 right section of agitating unit, to carry out secondary flotation.

To sum up, structure of the invention and working mechanism integrate coal slime and sized mixing and flotation function, it might even be possible to ban biography The floatation feed of system is sized mixing link, and directly using the flotation integrated system of sizing mixing of the present invention.It is constituted in structure without high speed fortune Rotation member, maintenance capacity is low, and slime separation effect is good.The equipment investment of coal preparation plant's early stage can be reduced using this flotation device, entirely Flotation operation is more saved than traditional floatation process and equipment, can be raw while its operating efficiency and flotation effect is ensured The reduction for producing cost is also extremely obvious.

Claims (10)

1. it is a kind of with stirring-type floatation equipment is waved from function of sizing mixing, at least including flotation cell (10), it is characterised in that：It is floating The microvesicle for being arranged for carrying out floating operation in groove (10) is selected to occur bed (20), bed (20), which occurs, for the microvesicle includes more than three And the microvesicle pipe (21) of arrangement alongside one another, the two ends of microvesicle pipe (21) are respectively arranged a linking arm (22) with fixed each microvesicle Manage the same end of (21)；This equipment also includes the gas piping for being used to introduce compressed air, and gas piping is via linking arm (22) Interior default air flue connects each microvesicle pipe (21) tube chamber, and the tube wall of each microvesicle pipe (21) gathers to be occurred for spraying the microvesicle of gas Hole (21a)；This equipment also includes microvesicle can be made to occur the power arm (23) that bed (20) produces pendulum-type action along its bed surface direction, moves The arm of force (23) is two and the symmetrical microvesicle that is arranged in occurs at the both sides of bed (20)；Occurs the microvesicle of bed (20) constituting microvesicle At the lowermost end bus for managing (21) mixing baffle (24), the plate of the mixing baffle (24) are extended with to the bottom land of flotation cell (10) The swaying direction of bed (20) occurs for the vertical microvesicle in face.

2. it is according to claim 1 it is a kind of have wave stirring-type floatation equipment from size mixing function, it is characterised in that：Institute It is in be spaced the arc surfaced frame structure uniformly arranged and formed by microvesicle pipe (21) to state microvesicle to occur bed (20) profile；With by middle The vertical guide of microvesicle pipe (21b) axis be the plane of symmetry, positioned at middle microvesicle pipe (21b) both sides sidepiece microvesicle pipe (21c) with The plane of symmetry and face is arranged symmetrically；Gas piping (25) is located at an end portion of middle microvesicle pipe (21b), in middle microvesicle pipe The other end of (21b) is arranged for introducing clear water to perform the detergent line (26) of washing and cleaning operation.

3. it is according to claim 2 it is a kind of have wave stirring-type floatation equipment from size mixing function, it is characterised in that：Institute State microvesicle pipe (21) axis direction parallel flotation groove (10) flute length direction；Power arm (23) is to be arranged in outside flotation cell (10) groove end Hydraulic transmission assembly (30) driving of side；One section of shaft level of power arm (23) extends to the end of middle microvesicle pipe (21) And it is fixed thereto, another section of shaft of power arm (23) then tilts upward extension and swung with the power of hydraulic transmission assembly (30) It is fixed between end.

4. a kind of according to claim 1 or 2 or 3 has and waves stirring-type floatation equipment from size mixing function, its feature It is：This equipment also includes being used to perform the driving rabbling mechanism (40) that ore pulp pan feeding stirs operation, the driving rabbling mechanism (40) at being suspended above flotation cell (10) notch；Drive the discharging opening of rabbling mechanism (40) to point to microvesicle and occur bed (20) bed surface Place, and space avoids arrangement between the active path of microvesicle generation bed (20)；The driving rabbling mechanism (40) includes opening court Under tubbiness shell body (41), the rotating shaft (45) of coaxially arranged axis vertical, the hypomere axle of rotating shaft (45) in shell body (41) It is in coaxial sleeve and is provided with coaxial fixed drive turbine (42) at diversion mixing impeller (44), the epimere of rotating shaft (45)；In shell body (41) through the main pipeline being disposed with for pan feeding at periphery wall, driving turbine (42) is pointed in the discharging direction of the main pipeline Impeller blade at；This equipment also includes being used for the variable-frequency motor (43) that process auxiliary drive rotating shaft (45) is rotated.

5. it is according to claim 4 it is a kind of have wave stirring-type floatation equipment from size mixing function, it is characterised in that：Institute State and the bell mouth shape construction that bore is gradually extended out is presented at the opening of shell body (41)；Diversion mixing impeller (44) is two groups and edge Rotating shaft (45) axis direction is sequentially coaxially arranged；The bore of two groups of diversion mixing impellers (44) from top to bottom increases successively.

6. it is according to claim 4 it is a kind of have wave stirring-type floatation equipment from size mixing function, it is characterised in that：Institute It is two groups of laid out in parallel to state driving rabbling mechanism (40), and two groups of driving rabbling mechanisms (40) share a main pipeline, and this two The flute length direction of the laid out in parallel direction parallel flotation groove (10) of group driving rabbling mechanism (40)；With above-mentioned two groups of driving mixers Structure (40) is one group of agitating unit, and the agitating unit is two groups and sequentially arranged along flotation cell (10) flute length direction；First The circulation ore pulp pipe for lead-out groove bottom buildup is disposed with flotation cell (10) bottom land pointed by the discharging opening of group agitating unit (50), circulation ore pulp pipe (50) place arranges the circulating pump (51) that power is pumped out for providing tubular body buildup, circulates ore pulp pipe (50) the port of export connects the main pipeline arrival end of second group of agitating unit, the flotation cell where second group of agitating unit (10) tailing tank for drawing buildup at this is arranged at groove end.

7. it is according to claim 6 it is a kind of have wave stirring-type floatation equipment from size mixing function, it is characterised in that：Institute Stating tailing tank includes mine tailing overflow launder (60), the cell wall formation liquid of side where the relatively close agitating unit of mine tailing overflow launder (60) Face baffle plate (61) and the height of baffle plate higher than the ore pulp froth bed maximum height in flotation cell (10), mine tailing overflow launder (60) it is another Side cell wall then forms current stabilization baffle plate (62) and the height of baffle plate is equal to the mineral syrup liquid minimum altitude in flotation cell (10), mine tailing The plup inlet (63) from bottom to top poured in for buildup is opened up at the bottom land of overflow launder (60)；At current stabilization baffle plate (62) place, plate face is fitted Be disposed with and can make the controllable register (64) of vertical motion along the plate face direction of current stabilization baffle plate (62), buildup is via current stabilization baffle plate (62) and the downflow weir that is collectively formed of controllable register (64) and be expelled to external equipment.

8. a kind of according to claim 1 or 2 or 3 has and waves stirring-type floatation equipment from size mixing function, its feature It is：The feed end of main pipeline is dichotomous construction, and one entrance point connects double sleeve jet groups for jet floating agent Part (70), another entrance point connection floatation feed has pressure surge tank (80)；The floatation feed has pressure surge tank (80) to include cylinder The sealed tank body of shape (81), the compressed air hose (82) for being disposed with connection external air source of the interior axis vertical of tank body (81), compression It is forked at the periphery wall being located in body of air hose (82) to be outward extended with molten qi leel branch pipe (82a), molten qi leel branch pipe Gather venthole on (82a)；The bottom end arrangement discharge nozzle (83) of tank body (81) is to connect above-mentioned main pipeline, cloth in the discharge nozzle Put the kinetic pump (83a) as power；Being disposed with for being avoided at the top end face of tank body (81) with compressed air hose (82) space is floating Select the floatation feed pipe for feed slurry outside plup inlet, the floatation feed hole connection；Floatation feed hole is positioned at tank What face was fitted at the nose end of body (81) inner chamber is disposed with valve plate (84), and valve plate (84) is fixed on above-mentioned nose end with extension spring (85) Place；Floatation feed has pressure surge tank (80) place to there also is provided the pressure sensor (86) for monitoring tank body (81) interior pressure.

9. a kind of according to claim 1 or 2 or 3 has and waves stirring-type floatation equipment from size mixing function, its feature It is：Bubble overflow launder (90), bubble overflow launder (90) are disposed with along the both sides cell wall on the length direction of flotation cell (10) It is arranged at the lateral wall of flotation cell cell wall and overflow wall is constituted with the lateral wall of above-mentioned cell wall；This equipment scrapes bubble including circulating Component (100), circulating bubble component of scraping constitutes the outer surface that closed loop of the conveyer belt with body scrapes bubble band in transport banded structure Arrangement scrapes bubble plate (101), and the vertical closed loop of plate face for scraping bubble plate (101) scrapes the direction of action of bubble band；This equipment also includes clear water Spray assemblies (110), clear water spray assemblies (110) include secondary enrichment spray head (111) and froth breaking spray head (112), secondary The water jet of enrichment spray head (111) is located at the top of circulating close bubble overflow launder (90) side for scraping bubble component (100) Place and water spraying direction point to closed loop and scrape bubble band band body, and the water jet of froth breaking spray head (112) is located at bubble overflow launder (90) At surface and water spraying direction point to bubble overflow launder (90) bottom land.

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