CN205628312U - Utilize rotatory jet mixing low energy consumption flotation equipment of ore pulp driven - Google Patents

Abstract

The utility model relates to a coal slime flotation field of handling, concretely relates to utilize rotatory jet mixing low energy consumption flotation equipment of ore pulp driven. The utility model discloses at least including the flotation cell, set up in the flotation cell and spray driving stirrer, spray driving stirrer and include drive turbine and whirl jet mixing rotor, connect respectively in the upper portion and the lower part of pivot, pivot rotation under drive turbine's drive power and injection stream reaction force's combined action, make full use of carry the remaining power of ore pulp, realized the flotation stirring in the cell body, this equipment includes still that the microbubble takes place the bed, and generator tube constitutes by the microbubble, divides upper and lowerly two -layer, and the staggered arrangement each other is underlaped, arranges evenly on the microbubble generator tube that the microbubble takes place the hole, takes place the left and right both ends of bed at the microbubble and arranges gas piping and washing water pipe way respectively. The utility model discloses it is low to possess the stirring energy consumption, the more stable advantage of " blind spot " and foam blanket that microbubble flotation effect is good, the flotation cell does not have the flotation, and work efficiency and flotation effect all can effectively be guaranteed.

Description

A kind of rotating jet stirring low energy consumption floatation equipment utilizing ore pulp to drive

Technical field

This utility model relates to coal slime flotation process field, is specifically related to a kind of rotating jet utilizing ore pulp to drive Stirring low energy consumption floatation equipment.

Background technology

Floatation is most important interface method for separating, is generally used for the sorting of-0.5mm coal slime, especially-0.1mm The only effective method for separating of coal slime.Flotation device of a great variety, difference is mainly manifested in airing form, inflation The aspects such as agitating device structure.Apply most classification method at present, be that the difference by inflation and alr mode will be floating Machine is selected to be divided into mechanical agitation type and the big class of mechanical stirring-type two.Agitation impeller flotator, can refer to China specially Profit notification number is described in entitled " agitation impeller flotator " of " CN201711220U ", is to utilize machine The stirring of tool agitator completes suction and the cutting procedure of bubble.Churned mechanically flotation mode uses the most long Far, ore dressing to coal separation having the history of last 100 years, it can be that flotation cell provides turbulent flow environment, but shortcoming is 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 the entitled " post that Chinese patent notification number is " CN2671690 " Formula flotation device " described in；Useful jetstream whirl means produce forced vortex cutting air and make air dissolve after again The injecting type separated out, such as FJC (A) series flotation device, XPM jetstream whirl formula etc..On-mechanical stirring-type flotation Machine is owing to without rabbling mechanism, therefore using pump to provide energy for ore pulp, by the jet of ore pulp, collision dispersion, Drawing enough air, shortcoming is to need supporting pump, and energy consumption is big.It addition, on-mechanical agitation type flotation machine Owing to ensure enough ore deposit amount flows and inspiration capacity, flotation cell flow field usually excessive turbulence, cause ore deposit The granule changed comes off in floating-upward process, thus affects flotation effect.How to seek a kind of structure the most reasonable real Novel floatation equipment so that it is while possessing more low energy consumption, more low maintenance and lower production costs, Can synchronize possess more preferable bubble mineralization and flotation effect, the technical barrier the most urgently to be resolved hurrily for this area.

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 simple in construction and reasonable Utilize pulp conveying energy drive jet rotor rotate and reach flotation stirring purpose low energy consumption flotation set Standby, with the efficient and controlled efficient flotation separation demand realizing ore pulp.It possesses microfoam flotation excellent, bubble Mineralising is easier to, more rationally and froth bed is more stable without flotation " dead band ", flotation cell flow field for flotation cell Advantage, work efficiency and flotation effect all can be effectively ensured.

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

A kind of rotating jet stirring low energy consumption floatation equipment utilizing ore pulp to drive, at least includes flotation cell, its It is characterised by: this equipment also includes for performing the jet drive agitator to pan feeding flowsheet of slurry agitation operation, described Jet drive agitator includes what the fixing sleeve of upper opening tubbiness down and bottom were arranged along cell body direction Rotating jet stirring rotator, fixes and arranges rotating seal between sleeve and rotating jet stirring rotator；Described fixing The rotating shaft of coaxially arranged axis vertical in sleeve, rotating shaft is connected with external power supply frequency conversion motor, the epimere of rotating shaft At axle body, the discharging direction along main pipeline is provided with driving turbine；In the bottom driving turbine, ring is set along rotating shaft Shape inner sleeve, ring-shaped inner part sleeve upper end presents down bell mouth shape, sets between bell-mouthed osculum end and rotating shaft Putting rotating seal, ring-shaped inner part sleeve lower end is extending vertically into the top of rotating jet stirring rotator, with rotating shaft Between rotating seal is set；Described rotating jet stirring rotator is connected with rotating shaft solid, along annulus peripheral direction cloth Putting jet nozzle, jet nozzle arrival end is more than the port of export, and entirety presents the impeller shape of bending；This Equipment also includes that upper and lower two-layer microvesicle generation bed, described microvesicle generation edge of bed flotation cell groove width direction are arranged in parallel, Depth of placement between at the bottom of rotating jet stirring rotator and flotation cell, upper and lower two-layer microvesicle generation edge of bed groove depth Direction interlaced arrangement, non-overlapping copies.

Described microvesicle generation bed profile in the frame structure by the uniformly arrangement of microvesicle pipe interval, microvesicle generator tube court Have the microvesicle being evenly arranged in the same size to flotation device liquid level side and hole occurs；At microvesicle generation bed left and right two End is respectively arranged gas piping and rinse water pipeline, is respectively used to introduce gas and clear water.

Described jet drive agitator is two groups of laid out in parallel, and two groups of jet drive agitators share a master Pipeline, and the flute length direction of the laid out in parallel direction parallel flotation groove of these two groups of jet drive agitators；With above-mentioned Two groups of jet drive agitators are one group of agitating unit, and described agitating unit is two groups and along flotation cell flute length direction Sequentially arrange；It is disposed with for lead-out groove at the flotation cell bottom land pointed by the discharging opening of first group of agitating unit The circulation ore pulp pipe of end buildup, arranges the circulation for providing tubular body buildup conveying power at circulation ore pulp pipe Pump, the port of export of circulation ore pulp pipe connects the main line arrival end of second group of agitating unit, is positioned at second group of stirring Arrange for drawing the tailing tank of buildup at this at the flotation cell groove end at unit place.

Described tailing tank includes mine tailing dividing plate, and mine tailing partition position drives agitator and mine tailing between last Between case, the height of mine tailing dividing plate arrives groove depth half position；Described tailing tank also includes mine tailing overflow launder, tail The cell wall of side, ore deposit overflow launder relatively close agitating unit place forms liquid level baffle plate and this height of baffle plate higher than flotation Ore pulp froth bed maximum height in groove, the opposite side cell wall of mine tailing overflow launder then forms current stabilization baffle plate and this baffle plate Highly equal to the mineral syrup liquid minimum altitude in flotation cell, offer at the bottom land of mine tailing overflow launder for buildup by lower On the plup inlet that pours in；At current stabilization baffle plate, being disposed with of plate face laminating can be along direction, the plate face work of current stabilization baffle plate Rise the controllable register of action, downflow weir that buildup is collectively formed via current stabilization baffle plate and controllable register and be expelled to External equipment.

The feed end of main pipeline is dichotomous structure, and the connection of one entrance point is for the annular of Flotation Reagent Emulsion Injection stream device, another entrance point connection floatation feed buffer barrel.

Being disposed with concentrate collecting tank at both sides cell wall along the length direction of flotation cell, concentrate collecting tank is arranged Collecting tank, level in concentrate collecting tank is constituted at the lateral wall of flotation cell cell wall and with the lateral wall of above-mentioned cell wall It is disposed with more than at least one of which froth breaking sieve plate for froth breaking；This equipment includes circulating bubble assembly of scraping, circulating Scraping bubble assembly is conveyer belt columnar structure, and the closed loop of composition conveyer belt belt body is scraped the outer surface layout of bubble band and scraped bubble Plate, the vertical closed loop in plate face scraping bubble plate scrapes the direction of action of bubble band；This equipment also includes clear water spray assemblies, Clear water spray assemblies includes that secondary enrichment spray head and froth breaking spray head, the water jet of secondary enrichment spray head are positioned at Circulating scrape bubble assembly concentrate collecting tank side top at and water spraying direction point to closed loop scrape bubble band belt body, The water jet of froth breaking spray head is positioned at the surface of concentrate collecting tank and water spraying direction points to concentrate collecting tank Bottom land.

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 jet drive Agitator is rabbling mechanism, utilizes the driving turbine in the drive force rotating shaft of floatation feed main pipeline ore pulp to turn Dynamic, and then the rotating jet jet mixing rotor rotation of drive shaft and rotating shaft lower end；In fixing sleeve and annular The effect of portion's sleeve is by the ore pulp of horizontal movement, progressively guides into vertical movement, ring-shaped inner part sleeve upper end in Now fall bell mouth shape, it is therefore an objective to make the change of fluid kinestate more smooth, to reduce energy in the process Loss；Fix and between sleeve and rotating jet stirring rotator, rotating seal is set, by fixed component and operating portion Part separately, is also beneficial to ore pulp and penetrates from this unique slurry outlet of jet nozzle, jet nozzle entrance End is more than the port of export, and entirety presents the impeller shape of bending, and ore pulp, is given along nozzle with certain speed peripheric jet flow One opposition of rotating jet stirring rotator, promotes it to rotate centered by rotary shaft, and rotating jet stirs The direction of motion of rotor is identical with driving turbine rotation direction, accordingly at floatation feed main pipeline ore pulp driving force and Under the common effect of injection stream counteracting force, rotating shaft is rotated jet mixing rotor motion, additionally, rotating shaft Being also connected with frequency conversion motor, when ore pulp driving force deficiency, frequency conversion motor works, to guarantee that rotating jet stirring turns Son rotates with certain speed, it is ensured that the mixing power in flotation cell body；Additionally, this utility model with unique upper, Lower floor's microvesicle generation bed as microvesicle generation matrix, the upper and lower microvesicle generation bed interlaced arrangement, non-overlapping copies, Both ensure that microvesicle was full of whole flotation cell, in turn ensure that the ore pulp effective flowing in flotation cell.

To sum up, this utility model only forces the flotation dissipated to set by purely mechanic revolution agitation and inflation with traditional Standby different, this utility model makes full use of the energy during pulp conveying, more energy-conservation and low maintenance capacity, from And realize the bubble mineralization function of more preferable effect and without the flotation cell flotation effect of flotation " dead band ".Practice have shown that, Flotation mode of the present utility model has possessed that microfoam flotation is better, bubble mineralization is easier to, flotation cell is without floating Choosing " dead band " and the more stable advantage of froth bed, work efficiency and flotation effect all can be effectively ensured.

2), microvesicle generation bed, microvesicle generator tube interval uniformly arrange the framework formed, divide upper and lower two-layer, Microvesicle generator tube has the microvesicle being evenly arranged in the same size and hole occurs towards flotation device liquid level side, sends out at microvesicle The raw left and right two ends of bed are respectively arranged gas piping and rinse water pipeline；Gas piping is to ensure external compression gas Pour in good time, and then guarantee on microvesicle generator tube that millimetre-sized microvesicle occurs hole constantly to give vent to anger；Rinse water Pipeline is to clean a microvesicle generation bed in a period of time, it is to avoid above-mentioned microvesicle occurs hole and microvesicle generator tube tube chamber Block, to promote its functional reliability.

3), jet drive agitator be one of them emphasis of the present utility model, be as ore pulp enter flotation cell Stir mixed processes and exist.This utility model uses ore pulp transport produced driving turbine drive power and utilization Injection stream counteracting force cooperation uses and then drives central rotating shaft to rotate, and jet mixing rotor is rotated and produces Raw fluid agitation action.Additionally, rotating shaft is also connected with frequency conversion motor, when ore pulp driving force deficiency, frequency conversion motor Work, to guarantee that rotating jet stirring rotator rotates with certain speed, it is ensured that the mixing power in flotation cell body, Ore pulp, medicament and air are under the common effect of jet mixing and Stirring, and mineralising probability is higher, and flotation is imitated Fruit is more preferably；Many groups drive rabbling mechanism and the layout organizing agitating unit more, improve the flotation effect of ore pulp. For the mode of buildup ore pulp is taken out in relatively conventional single flotation the most at once, what this utility model was obvious doubles to carry Rise 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.

4), the layout of tailing tank be another emphasis of the present utility model, by the unique texture of tailing tank so that The operating path of buildup is advanced in unique " several " shape.On the one hand, in flotation cell just flotation ore pulp with And the concentrate mine tailing dividing plate of mineralising blocks, and be unlikely to unexpected flow into tailing tank in discharged unintentionally；The opposing party Face, the useless ore pulp after recleaning then via the plup inlet of mine tailing isopipe root, and climb over current stabilization baffle plate and The downflow weir that controllable register is collectively forming, and discharged flotation cell reliably, and then be the in good time of follow-up new ore pulp Pour in and vacate place.The layout of controllable register, allows for the situation according to production scene different, in flotation cell Mineral syrup liquid height certainly exist difference, as in flotation cell, mineral syrup liquid height is the most sufficiently high, Ke Yishi When raising controllable register, to avoid causing because of siphon effect having and flotation pulp accident overflow can going out above-mentioned overflow Weir.Certainly, when mineral syrup liquid height is the highest in flotation cell, current stabilization baffle plate can be only relied on certainly according to original design The flushing effect of body.

5), as the feed liquor channel of whole stirring system, this utility model guarantees to float with nozzle ring mjector That selects the emulsifying of medicament, dispersion and floatation feed is diluted to the condition that follow-up flotation operation provides good.

6), this utility model aeration quantity big, flotation effect is good, foam thickness.In order to timely by flotation froth Collection scrapes, 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 provide convenient for the transport of follow-up foam, It is provided with secondary enrichment spray head and froth breaking spray head at concentrate collecting tank and flotation cell intersectional region, shares one group Detergent line.In view of secondary enrichment of the present utility model, namely when mineral laden bubble has arrived the groove of flotation cell During face, bubble is assembled in a large number, and bubble rises floating speed to be reduced, and bubble merging increases, and during merger, hydration shell breaks When splitting, the water of diarrhea can be taken away and be clipped in hydrophobicity difference in froth bed and adsorb more weak impurity particle.Secondary enrichment spray Drench head and carry out spraying foam layer by the effect of drenching with rain, above-mentioned secondary enrichment can be strengthened.The effect of froth breaking spray head Position is at concentrate collecting tank, and purpose is contemplated to froth breaking；When collect foam underlying collection to be entered bucket, as Fruit froth breaking not in time will diffuse out from collecting vessel, additionally uses power from collecting vessel to flotation concentrate dehydration equipment Pump transports, and the existence of foam is the most also unfavorable for actual shipment.Froth breaking baffle plate is also set up in concentrate collecting tank. It was verified that the use of froth breaking baffle plate is higher than the efficiency of direct spraying foam by 40%, it is soft that reason is that foam has Property, transmutability, froth breaking baffle plate can improve spray impulsive force, forms secondary froth breaking effect, can be maximum 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, and jet drive agitator top drives turbine schematic top plan view；

Fig. 5 is in Fig. 2 structure, jet drive agitator bottom rotating jet stirring rotator schematic top plan view；

Fig. 6 is the structural representation of nozzle ring mjector；

Fig. 7 is the top view of Fig. 6；

Fig. 8 is that schematic top plan view arranged by monolayer microvesicle generation bed；

Fig. 9 is the structural representation of tailing tank.

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

A-flange connecting point

10-flotation cell 20-jet drive agitator

21-fixes sleeve 22-rotating jet stirring rotator 22a-jet nozzle

23-rotating seal 24-rotating shaft 25-drives turbine 26-ring-shaped inner part sleeve

27-rotating seal 28-frequency conversion motor 29-rotating seal

There is hole 33-gas piping in 30-microvesicle generation bed 31-microvesicle generator tube 32-microvesicle

34-rinse water pipeline 40-concentrate collecting tank 41-froth breaking sieve plate

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

65-mine tailing dividing plate 70-nozzle ring mjector 70a-medicament funnel

70b-Flange joint 80-pan feeding buffer barrel 80a-kinetic pump

The circulating bubble assembly 91-that scrapes of 90-scrapes bubble plate 100-clear water spray assemblies

Bis-enrichment spray head 102-froth breaking spray heads of 101-

Detailed description of the invention

For ease of understanding, here in connection with Fig. 1-9, specific embodiment of the utility model is retouched further below State:

Particular make-up part of the present utility model, is divided into several big module, including: pan feeding buffer barrel 80,

Nozzle ring mjector 70, flotation cell 10, jet drive agitator 20, microvesicle generation bed 30, concentrate are received Collection groove 40, circulating scrape bubble group 90, clear water spray assemblies 100 and tailing tank.It is been described by the most one by one:

1, floatation feed buffer barrel

Its structure as it is shown in figure 1, overall structure is cylinder barreled, the inside ore pulp by pan feeding pump 80a pass through into Material main pipeline is delivered to first group of agitating unit, drives two jet drive agitators of first group of agitating unit 20 work.

2, nozzle ring mjector

Ore pulp in floatation feed buffer barrel 80 passes through kinetic pump 80a, is delivered to flotation cell 10 along main pipeline At the jet drive agitator 20 of top.Meanwhile, floatation feed dilution water and medicament are then penetrated by nozzle ring Stream device 70 dispersion mixing is uniform, and by another group Pipeline transport to main pipeline.Specifically can refer to Fig. 1 and figure Shown in 6-7.

Dilution water is shoot-off tangentially into mixing chamber, and medicament feeding pipe penetrates directly from mixing chamber axial centerline To mixing chamber nozzle exit, air and floating agent, the annular of surrounding annular jet dilution water are entered in formation center Nozzle；Dilution water, air enter in trunnion together with medicament, in the process air and medicament is divided, cut Dissipate, presented in microvesicle and fine droplet in ore pulp, provide good condition for follow-up flotation operation.

As it is shown in figure 1, trunnion Position Design has flange connecting point a, during to facilitate pipeline abrasion and blocking, energy Enough quickly carry out upkeep operation；The upper end of medicament feeding pipe is designed with medicament funnel, facilitates continuing into of medicament.

3, jet drive agitator

The stirring structure of existing flotation device is divided into two big classes, and the rabbling mechanism of agitation impeller flotator is also known as fixed Son-rotor-support-foundation system, by motor-driven, rotating speed is fast, and energy consumption is big, and maintenance capacity is big, but aeration quantity is guaranteed, can Turbulent flow environment is provided for flotation cell.On-mechanical agitation type flotation machine, without rabbling mechanism, uses pump to provide energy for ore pulp Amount, by the jet of ore pulp, collision dispersion, draws enough air, and shortcoming is that energy consumption is big, further, since Ensure enough ore deposit amount flows and inspiration capacity, flotation cell flow field excessive turbulence, cause the granule of mineralising Floating-upward process comes off.

Design a kind of low energy consumption, flotation effect flotation device good, easy maximization is always flotation device research heat Point.This patent uses the residual power of ore pulp transport, drives first group of agitating unit of flotation cell 10 front portion Two jet drive agitator 20 operation.Jet drive agitator 20 also includes frequency conversion motor 28, when During ore pulp driving force deficiency, frequency conversion motor 28 works, to guarantee that rotating shaft 24 rotates with certain speed all the time. Jet drive agitator also includes driving turbine 25, rotating jet stirring rotator 22 and rotating shaft 24.With reference to figure Shown in 1-2,4-5, drive turbine 25 by the driving force of ore pulp, drive rotating shaft 24 to rotate, ore pulp from This unique slurry outlet of the jet nozzle 22a of bottom penetrates, and jet nozzle 22a arrival end is more than Mouthful end, entirety presents the impeller shape of bending, ore pulp along nozzle with certain speed peripheric jet flow, to rotating jet 22 1 oppositions of stirring rotator, drive rotating shaft 24 to rotate, the rotation of rotating jet stirring rotator 22 Direction is identical with the rotation direction driving turbine 25, and rotating shaft 24 is at floatation feed main pipeline ore pulp driving force accordingly With injection stream counteracting force jointly act on rotation, the design the most sufficiently make use of pulp conveying remnants move Power, has saved energy, reduces again ore pulp and enters the kinetic energy in flotation cell 10, it is ensured that stream in flotation cell 10 Stablizing of field.Jet drive agitator also includes fixing sleeve 21, ring-shaped inner part sleeve 26, rotating seal 27 (29,23), jet nozzle 22a, the effect of fixing sleeve 21 and ring-shaped inner part sleeve 26 be by The ore pulp of horizontal movement, progressively guides into vertical movement, and ring-shaped inner part sleeve 26 upper end presents down bell mouth shape, Purpose is to make the change of fluid kinestate more smooth, to reduce the loss of energy in the process；Fixed cover Between cylinder 21 and rotating jet stirring rotator 22, rotating seal 23 is set, fixed component and running gear are divided Open, be also beneficial to ore pulp and penetrate from this unique slurry outlet of jet nozzle 22a, jet nozzle 22a, Global design becomes the impeller shape of bending, both can play the effect of jet mixing, can play again impeller stirring Effect.

4, microvesicle generation bed

Existing flotation device cell body is separated into 4-6 groove more, why cell body is separated into independent several parts, Major reason is that every part needs to arrange an independent air-breathing stirring structure, unit are in cell body oversized slots body Inflating uneven, and flotation cell of the present utility model 10 is with reference to shown in Fig. 1-2 and Fig. 8, it is logical cell structure, That is to say that a centre does not has the cell body of central dividing plate, such that it is able to adapt to Different Plane Factory Building layout very well.Pass through Wear whole flotation cell 10 and arrange upper and lower two-layer microvesicle generation bed 30.Microvesicle generation bed 30 at least includes band Have microvesicle occur hole 32 microvesicle pipe occur 31, the upper and lower microvesicle generation bed 30 interlaced arrangement, the most not Overlap, both ensure that microvesicle was full of whole flotation cell 10, in turn ensure that the ore pulp effective flowing in flotation cell； Upper and lower design two-layer rather than three layers, even more multilamellar, reason two-layer bed body had both met the inflation of flotation cell body Requirement, does not interferes with again effective flowing of ore pulp in cell body, will not occupy too high groove depth volume simultaneously, three layers Or more layers can increase the groove depth height of flotation device；Microvesicle generator tube 31 tube chamber connects gas piping 33, gas Occur hole 32 to form microvesicle by microvesicle, fill the air the diverse location of whole flotation cell 10, be truly realized without flotation " dead band ".Microvesicle generator tube 31 tube chamber is also connected with rinse water pipeline 34, cleans once, keep away in a period of time Exempt from microvesicle generation hole plug.

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, for Follow-up floatation process provides good environment, devises circulating scraping and steeps assembly 90.Such as Fig. 1 and Fig. 3 institute Showing, circulating bubble assembly 90 entirety of scraping presents conveying band structure, closed loop scrape bubble band and corresponding power Actuating device form, closed loop scrape bubble band outer surface then arrange scrape bubble plate 91.Whole circulating scraping steeps assembly 90 Design is above flotation cell 10 groove face, and full groove face uninterruptedly scrapes bubble.

6, spray equipment and tailing tank

This utility model aeration quantity is big, and flotation effect is good, foam thickness, after improving concentrate grade and being Continuous foam transport provides convenient, is provided with secondary enrichment spray at concentrate collecting tank 40 and flotation cell 10 intersectional region Pouring 101 and froth breaking spray head 102, share one group of clear water pipeline.When showing structure shown in Fig. 1 and Fig. 3, The froth breaking sieve plate 41 of three layers of froth breaking is also set up at concentrate collecting tank 40.It was verified that froth breaking sieve plate 41 Use higher than the efficiency of direct spraying foam by 40%, reason is that foam has a flexibility, transmutability, and froth breaking sieves Plate 41 can improve spray impulsive force, forms secondary froth breaking effect, can farthest play the spray of above-mentioned froth breaking The effect drenched.

Simultaneously, for stablizing of whole flotation cell 10 liquid level and froth bed, the mine tailing of " several " type is devised Case, mine tailing namely final buildup can be discharged by " several " type tailing tank.The tailing tank of " several " type uses three Layer baffle plate general layout, namely liquid level baffle plate 61, current stabilization baffle plate 62 and can vertical to movable controllable register 64, ginseng According to shown in Fig. 1 and Fig. 9；Additionally, tailing tank have also been devised mine tailing dividing plate 65, mine tailing dividing plate 65 is by flotation cell The most just separate with mine tailing material at the ore pulp of flotation and the concentrate of mineralising, and be unlikely to concentrate and surprisingly flow into tail Discharged unintentionally in the case of ore deposit；Mine tailing from the bottom at flotation cell 10 rear portion along plup inlet at mine tailing overflow launder 60 bottom land 63 move upward, and climb over current stabilization baffle plate 62 and 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 two groups of agitating units, as in figure 2 it is shown, Connect each other with circulation ore pulp pipe 50 between two groups of agitating units, and provide ore pulp circulation power with circulating pump 51. By said structure, thus the coal slime of non-mineralising can be allowed to have more float probability, thus promote pan feeding ore pulp Screening effect and utilization rate, and its flotation cost can be significantly reduced.During specific works, at the beginning of this flotation device pan feeding Beginning, the mixed liquor of ore pulp and flotation agent is all delivered to the agitating unit of left section of Fig. 2, the agitating unit of left section The ore pulp locating non-mineralising then forms preliminary buildup, and is delivered to Fig. 2 by the circulating pump bottom flotation cell 10 The agitating unit of right section at, to carry out secondary flotation.

To sum up, structure of the present utility model and working mechanism take into full account the technology characteristics of flotation, and it forms knot Without running up parts in structure, maintenance capacity is low, and energy consumption is low, and slime separation is effective.Whole flotation operation is than passing Floatation process and the equipment of system are more energy-conservation, can produce into while guaranteeing its work efficiency and flotation effect This reduction is the most obvious.

Claims (6)

1. the rotating jet stirring low energy consumption floatation equipment that a kind utilizes ore pulp to drive, at least include flotation cell (10), it is characterized in that: this equipment also includes for performing the jet drive agitator (20) to pan feeding flowsheet of slurry agitation operation, described jet drive agitator (20) includes the rotating jet stirring rotator (22) that the fixing sleeve (21) of upper opening tubbiness down and bottom are arranged along cell body direction, fixing arranges rotating seal (23) between sleeve (21) and rotating jet stirring rotator (22)；The rotating shaft (24) of coaxially arranged axis vertical in described fixing sleeve (21), rotating shaft (24) is connected with external power supply frequency conversion motor (28), at the epimere axle body of rotating shaft (24), the discharging direction along main pipeline is provided with driving turbine (25)；In the bottom driving turbine (25), along rotating shaft (24), ring-shaped inner part sleeve (26) is set, ring-shaped inner part sleeve (26) upper end presents down bell mouth shape, rotating seal (27) is set between bell-mouthed osculum end and rotating shaft (24), ring-shaped inner part sleeve (26) lower end is extending vertically between the top of rotating jet stirring rotator (22), and rotating shaft (24) and arranges rotating seal (29)；Described rotating jet stirring rotator (22) is connected with rotating shaft (24) solid, jet nozzle (22a) is arranged along annulus peripheral direction, jet nozzle (22a) arrival end is more than the port of export, and entirety presents the impeller shape of bending；This equipment also includes upper and lower two-layer microvesicle generation bed (30), described microvesicle generation bed (30) is arranged in parallel along flotation cell (10) groove width direction, between depth of placement is positioned at the bottom of rotating jet stirring rotator (22) and flotation cell, upper and lower two-layer microvesicle generation bed (30) is along groove depth direction interlaced arrangement, non-overlapping copies.

A kind of rotating jet stirring low energy consumption floatation equipment utilizing ore pulp to drive the most according to claim 1, it is characterized in that: described microvesicle generation bed (30) profile is in the frame structure by the uniformly arrangement of microvesicle generator tube (31) interval, and microvesicle generator tube (31) has the microvesicle being evenly arranged in the same size and hole (32) occurs towards flotation device liquid level side；It is respectively arranged gas piping (33) and rinse water pipeline (34) at microvesicle generation bed (30) left and right two ends, is respectively used to introduce gas and clear water.

A kind of rotating jet stirring low energy consumption floatation equipment utilizing ore pulp to drive the most according to claim 1 and 2, it is characterized in that: described jet drive agitator (20) is two groups of laid out in parallel, two groups of jet drive agitators (20) share a main pipeline, and the flute length direction in laid out in parallel direction parallel flotation groove (10) of these two groups of jet drive agitators (20)；Being one group of agitating unit with above-mentioned two groups of jet drive agitators (20), described agitating unit is two groups and sequentially arranges along flotation cell (10) flute length direction；The circulation ore pulp pipe (50) for buildup at the bottom of lead-out groove it is disposed with at flotation cell (10) bottom land pointed by the discharging opening of first group of agitating unit, circulation ore pulp pipe (50) place arranges the circulating pump (51) for providing tubular body buildup conveying power, the port of export of circulation ore pulp pipe (50) connects the main line arrival end of second group of agitating unit, is positioned at flotation cell (10) the groove end at second group of agitating unit place and arranges for drawing the tailing tank of buildup at this.

A kind of rotating jet stirring low energy consumption floatation equipment utilizing ore pulp to drive the most according to claim 3, it is characterized in that: described tailing tank includes mine tailing dividing plate (65), mine tailing dividing plate (65) position is between last jet drive agitator (20) and tailing tank, and the height of mine tailing dividing plate (65) arrives groove depth half position；Described tailing tank also includes mine tailing overflow launder (60), the cell wall of side, mine tailing overflow launder (60) relatively close agitating unit place forms liquid level baffle plate (61) and this height of baffle plate higher than the ore pulp froth bed maximum height in flotation cell (10), the opposite side cell wall of mine tailing overflow launder (60) then forms current stabilization baffle plate (62) and this height of baffle plate is equal to the mineral syrup liquid minimum altitude in flotation cell (10), offers the plup inlet (63) from bottom to top poured in for buildup at the bottom land of mine tailing overflow launder (60)；The controllable register (64) of vertical motion can be made along the direction, plate face of current stabilization baffle plate (62) being disposed with of plate face, current stabilization baffle plate (62) place laminating, downflow weir that buildup is collectively formed via current stabilization baffle plate (62) and controllable register (64) and be expelled to external equipment.

A kind of rotating jet stirring low energy consumption floatation equipment utilizing ore pulp to drive the most according to claim 1 and 2, it is characterized in that: the feed end of main pipeline is dichotomous structure, the connection of one entrance point is for the nozzle ring mjector (70) of Flotation Reagent Emulsion, another entrance point connection floatation feed buffer barrel (80).

A kind of rotating jet stirring low energy consumption floatation equipment utilizing ore pulp to drive the most according to claim 1 and 2, it is characterized in that: at the both sides cell wall along the length direction of flotation cell (10), be disposed with concentrate collecting tank (40), concentrate collecting tank (40) is arranged at the lateral wall of flotation cell cell wall and is constituted collecting tank with the lateral wall of above-mentioned cell wall, and horizontally disposed in concentrate collecting tank (40) have more than at least one of which froth breaking sieve plate (41) for froth breaking；This equipment includes that circulating scraping steeps assembly (90), circulating bubble assembly of scraping is conveyer belt columnar structure, constitute conveyer belt belt body closed loop scrape bubble band outer surface arrange scrape bubble plate (91), scrape bubble plate (91) the vertical closed loop in plate face scrape bubble band direction of action；This equipment also includes clear water spray assemblies (100), clear water spray assemblies (100) includes secondary enrichment spray head (101) and froth breaking spray head (102), the water jet of secondary enrichment spray head (101) is positioned at the top of circulating concentrate collecting tank (40) side scraping bubble assembly (90) and water spraying direction points to closed loop and scrapes bubble band belt body, and the water jet of froth breaking spray head (102) is positioned at the surface of concentrate collecting tank (40) and the bottom land of water spraying direction sensing concentrate collecting tank (40).