CN104907184B - Pre-desliming and microbubble static-modularity flotation system - Google Patents

Abstract

The invention discloses a pre-desliming and microbubble static-modularity flotation system. The system comprises a pre-desliming flotation mechanism and a microbubble static-modularity flotation mechanism. The pre-desliming flotation mechanism comprises a support facilitating fixed mounting, a self-interference elastic-rectification and desliming unit, a pulp delivery pump and a pulp delivery pipe which are connected integrally. The microbubble static-modularity flotation mechanism comprises a plurality of tanks communicated integrally, a plurality of flotation units are distributed in any tank uniformly, a feeding pipe for feeding into the flotation units in the first tank is arranged at the lateral edge of the first tank, a tailing discharging port is formed in the lateral edge of the tail tank correspondingly, concentrate collecting tanks, distributed among and on two sides of the flotation units along the feeding pipe direction, are arranged in any tank, a swirl injection device is mounted at the bottom of any flotation unit, and the feeding pipe of the microbubble static-modularity flotation mechanism is connected with the pulp delivery pipe of the pre-desliming flotation mechanism. The pre-desliming and microbubble static-modularity flotation system is stable in operation, high in treating capacity and capable of improving flotation quality and flotation efficiency remarkably.

Description

Pre- desliming microvesicle static module floatation system

Technical field

The invention belongs to mineral separation technical field, and in particular to a kind of pre- desliming microvesicle static flotation system.

Background technology

During wet coal preparation, it is mixed into the clay minerals in coal seam and meets after water immersion by argillization, is dispersed into thin mud, product Gather in float coal slurry is entered.High ash fine slime flotation speed is fast, causes foam " tacky ", brings to follow-up floatation clean coal dewatering operation It is difficult.Simultaneously thin mud specific surface area is big, " trying to be the first " absorption floating agent, prevents general coal grain from obtaining medicament.Make general coal grain Increase with the difficulty of bubble adhesion, deteriorate flotation effect, totally unfavorable is produced to coal separation, it is therefore necessary to entering to coal preparation plant's coal slime Desliming before row choosing.And existing floatation feed desliming pond floor space is big, and the vertical tube pencil fairing for adopting is by ascending water Stream is changed into laminar flow from turbulent flow, and time period, free settling is insufficient.

Simultaneously in flotation stage, for conventional air jet flotation machine is because being not provided with agitating device, when pulp density it is higher When, it is impossible to provide enough power to realize that ore pulp, bubble, floating agent are sufficiently mixed dispersion；And mechanical agitation type flotation The energy consumption that the high rotating speed of the agitating device of machine needs is higher, and the low flow field that can not be formed of rotating speed and inspiratory capacity, and it is new Injection air-breathing rabbling mechanism injection stream is flooded close to plume due to the ore pulp of jet segment, injection energy major part is disappeared by ore pulp Consume, therefore ejection efficiency subtracts greatly so that stirring efficiency subtracts greatly, and disturbs stirring flow field.Chinese patent literature CN101362119A There is provided a kind of flotation column for sorting mineral, including cylinder, the concentrate feeder from top to bottom separated successively in cylinder, Separation tube and tailings discharging case, concentrate feeder is provided with multiple concentrate floss holes, and inflator pump is connected with outside separation tube.The inflatable Flotator structure is simple compact, energy-efficient, but for stirring intensity, disposal ability is still not strong enough.

Therefore, those skilled in the art need badly and provide a kind of pre- desliming microvesicle static module flotation system of simple structure System, effectively to floatation feed carries out predictive desliming first, and microvesicle static module flotation is carried out then.

The content of the invention

The present invention is in order to overcome the above-mentioned deficiencies of the prior art, there is provided a kind of pre- desliming microvesicle static state mould of simple structure Block floatation system, effectively to floatation feed carries out predictive desliming first, and microvesicle static module flotation is carried out then.This is System is stable, and disposal ability is big, and can significantly improve flotation quality and efficiency.

For achieving the above object, present invention employs technical scheme below：

A kind of pre- desliming microvesicle static module floatation system, the system includes pre- de slime flotation mechanism and microvesicle static state mould Block flotation mechanism；

The pre- de slime flotation mechanism includes support and is fixedly mounted on the self-interference elasticity being mutually connected as a single entity on support Rectification desliming unit, pump for mortar transmission, and feed pipe for mortar；

The microvesicle static module flotation mechanism includes the multiple cell bodies being communicated as one；It is uniform in arbitrary cell body Multiple flotation cells are distributed with, the feeding pipe to its internal flotation cells feeding are provided with the side of first cell body, in last cell body Side be correspondingly provided with discharge mine tailing mine tailing mouth, be additionally provided with arbitrary cell body along feeding pipe directional spreding between flotation cells and The concentrate feeder of both sides；The bottom of arbitrary flotation cells is mounted on swirling jet unit, arbitrary flotation cells The top of inherent swirling jet unit jet is provided with the radome fairing for disperseing gassiness ore pulp flow direction；It is arbitrary described Flotation cells top is equipped near the adjacent place of concentrate feeder and promotes concentrate foam to fill to the spray that concentrate feeder is moved Put；

The output end of the feed pipe for mortar of the pre- de slime flotation mechanism and the feeding pipe phase of microvesicle static module flotation mechanism Even.

Preferably, the self-interference elasticity rectification desliming unit is circular symmetrical structure, including from top to bottom successively along even Ore pulp enter feed bin, material guiding tube, self-interference elasticity rectification desliming device, and underflow collecting bin；The ore pulp enters feed bin upper end and sets The first feeding mouth is equipped with, the ore pulp enters uniformly to be provided with the ore pulp distribution discharging opening being connected with material guiding tube in feed bin side wall.

Further, self-interference elasticity rectification desliming device is set to multiple and is uniformly and symmetrically distributed ore pulp in a ring and enters Feed bin lower section, self-interference elasticity rectification desliming device includes the pan feeding valve of the regulation aperture being connected with material guiding tube, and with enter Material valve is connected and is provided with the inclination casing of the first underflow opening and overfall.

Further, it is installed with positioned at pan feeding valve lower end near the split-flow baffles of cabinet exterior in the dump box body, leans on The drainage dividing plate of nearly cabinet wall, the elastic tipping tube fairing between drainage dividing plate and cabinet wall；The shunting Dividing plate is constituted with drainage dividing plate and for the flow of slurry introduced from pan feeding valve to be divided into up-narrow and down-wide first material drainage channel and upper width Under the position of narrow second material drainage channel coordinate；The second material drainage channel is to first material drainage channel by right Drain off to disturb and form self-interference mixed zone in the bottom for inclining casing.

The elastic tipping tube rectification mechanism is parallel with drainage dividing plate, and the cross section for being set to be surrounded by hang plate is parallel The oblique lattice shape rectification hole beam of quadrangle；The elasticity inclines tube bank rectification mechanism connection and inclines casing and drainage dividing plate Edge is arranged for ease of according to the spring of feed thickness and the different automatic fine tuning height of feeding.

The overfall is located on cabinet wall and higher than the upper surface of elastic tipping tube fairing, at the overfall It is also associated with guiding the derivation groove that ore pulp overflows in elastic tipping tube fairing, the derivation groove to be set to and incline casing width Degree identical cell body；The opening and closing of the first underflow opening is controlled by underflow valve in the self-interference mixed zone.

Further, the underflow collecting bin is located at the centre position of the elastic rectification desliming device of each interference, the underflow Collecting bin side wall is uniformly provided with the second feeding mouth for connecting self-interference elasticity rectification desliming the first underflow opening of device；It is described Underflow collecting bin lower end is provided with the second underflow opening；The entrance of the pump for mortar transmission is connected with the second underflow opening of underflow collecting bin, The outlet of the pump for mortar transmission is connected with feed pipe for mortar one end.

Preferably, the middle and upper part of arbitrary cell body is also equipped with for steady in the microvesicle static module flotation mechanism The cowling panel of constant current field flow state, the cowling panel is set to be evenly distributed with the space bar of ramp way, and the cowling panel is constituted just In the single channel that mineralized particles float.

Preferably, the cell body is set to 2～6 grooves；Flotation cells in arbitrary cell body are set to 4～10 groups, wherein, last cell body Interior flotation cells are 2 groups or 4 groups more than the flotation cells in above cell body；The mine tailing of arbitrary cell body is followed by " Z " font Annular distance enters the downside of next cell body cowling panel, until finally being discharged by mine tailing mouth.

Preferably, the swirling jet unit includes that delivery pump, nozzle and connection that buffer barrel is connected with buffer barrel are defeated The pipeline of pump and nozzle is sent, on the pipeline bubble generator is also associated with；The bubble generator includes pressure gauge, stream Gauge and compressed air, the setting of the bubble generator is constituted and makes air be pumped to spray with material Jing delivery pumps in buffer barrel The cooperation of mouth；

The guide vane for coordinating the gassiness ore pulp being pumped into form eddy flow is provided with the nozzle, the guide vane is set to 4～6；The pipeline is set to trunnion, and the nozzle is designed with the gate for being easy to flotation unit to overhaul with pipe joint.

Preferably, the radome fairing is set to segment shape；The setting of the radome fairing causes gassiness ore pulp Jing swirl injections to fill Put and penetrate after ejection on radome fairing and change flow direction, form double " V " flow fields.

Preferably, described " overhead kick " shape direction is located in the plane of feeding pipe, meanwhile, " overhead kick " shape direction sets Put and moved to concentrate feeder direction beneficial to froth bed；Concentrate along feeding pipe directional spreding flotation cells both sides in cell body is received Float skimming device is additionally provided between collection groove and the spray equipment.

The beneficial effects of the present invention is：

1) it is, of the invention by with reference to pre- de slime flotation mechanism and microvesicle static module flotation mechanism, first by floating Being selected into material carries out predictive desliming, it is ensured that the flotation effect in later stage；Microvesicle static module flotation unit is then passed through to through pre- The mineral aggregate of desliming process carries out multiple-grooved flotation body；The two combines and significantly improves flotation quality and efficiency.

2), pre- de slime flotation mechanism of the invention is by the self-interference elasticity rectification desliming unit being mutually connected as a single entity, pump for mortar transmission, Feed pipe for mortar and it is easy to the support of fixed support to constitute.Black water goes out stream from the ore pulp distribution discharging opening that ore pulp enters feed bin, and Jing draws Expects pipe enters self-interference elasticity rectification desliming device under the control of pan feeding valve, and threshold speed identical is split at split-flow baffles Two strands of material streams, one material stream is conveyed downwards along first material drainage channel, and in addition one material stream is with same initial velocity Along conveying downwards in second material drainage channel, and due to design wide at the top and narrow at the bottom with high velocity stream in bottom self-interference mixed zone shape Into interference stream upwards, so as to carry out self-interference sedimentation with the logistics in first material drainage channel, accelerate cleaned coal with thin mud Separate, so as to ensure effective removing of thin mud material.Through hindered falling, plaster is as overflow is from overfall Jing guiding gutter streams Go out, while underflow materials flow out from the first underflow opening of self-interference elasticity rectification desliming device converges at underflow collecting bin, Jing second Underflow opening enters pump for mortar transmission, is transported in microvesicle static module flotation mechanism by pump for mortar transmission.

The pre- de slime flotation mechanism structure of the present invention is simple, and floor space is little, and equipment arrangement is convenient, while multimachine can be adopted Parallel processing material, treating capacity is big；Unit is unpowered structure, reduces energy resource consumption, increased service life of equipment.

3), self-interference elasticity rectification desliming device of the present invention is led to using cross section second material drainage wide at the top and narrow at the bottom Road, forms high velocity stream, the material manifold of first material drainage channel bottom is drained off in pairs in self-interference mixed zone is disturbed, so that Obtaining material carries out hindered falling, accelerates cleaned coal to separate with thin mud, reduces floatation feed viscosity, improves flotation efficiency.

4), the setting of self-interference elasticity rectification desliming device of the present invention causes what mixing logistics constantly rose in height During, the rectification hole restrained on rectification mechanism is inclined by elasticity, turbulent flow is become into more orderly laminar flow, and hang plate Setting increases settling area, shortens settling height, accelerates particle sedimentation；Self-interference elasticity rectification desliming device is inclined using elasticity Swash plate fairing adopts elastic connection, can automatic fine tuning height according to feed thickness and the different buoyancy differences for producing of feeding Degree, it is ensured that overflow material has the rational time to carry out hindered falling, so as to ensure effective removing of thin mud material, improves sorting Desliming effect.

5), microvesicle static module flotation mechanism of the invention is by cell body, swirling jet unit, bubble generator, whole Stream cover, cowling panel, spray equipment, zigzag circulation port, concentrate feeder composition.Cell body is set to 2～6 grooves, is floated by 4～10 per groove Menu unit composition, the flotation cells number of last cell body is 2 groups or 4 groups more than above cell body；The bottom of each flotation cells is provided with Swirling jet unit, its power source from supporting delivery pump, two groups of adjacent swirling jet units can share a conveying Pump, installs bubble generator on the pipeline of delivery pump, and gassiness ore pulp is sprayed from injection apparatus with certain initial velocity, penetrated On radome fairing, fluid dynamic energy is reduced, and changes flow direction, forms double " V " flow fields, bubble in uphill process with hydrophobicity ore particle Contact, forms mineral laden bubble；Then, by the cowling panel installed in the middle and upper part of cell body, further steady flow condition fluidised form is formed The single channel that mineralized particles float；Promotion concentrate bubble is equipped with each flotation cells top near the adjacent place of concentrate feeder " overhead kick " shape spray equipment that foam is moved to concentrate feeder, defines " the secondary enrichment spraying zone " of abundance, and concentrate is via scraping Bubbler is scraped and fallen in concentrate feeder.Mine tailing per groove enters next cell body cowling panel downside, most finality by zigzag circulation port Ore deposit is discharged by mine tailing mouth.

Microvesicle static flotation device adopts modular construction, simple structure, and it basic composition is flotation cells, through multiple-grooved Flotation body, reaches higher concentrate flotation rate, for Oversized Coking Coal Cleaning Plant the well adapting to property of all kinds of factory's types；Originally simultaneously Device is mechanical agitating device, adds the rectified action of radome fairing, cowling panel, it is ensured that whole flotation device interior flow field is very steady It is fixed, just like static work, it is stable operation, energy-efficient lays a good foundation.

6), the cell body of microvesicle static module flotation mechanism of the present invention is set to 2～6 grooves, per groove by 4～10 flotation cells groups Into, with larger disposal ability, can be needed to make adjustment according to actual treatment ability, the flotation met in production process will Ask；Wherein, because with the carrying out of floatation process, the how difficult floating particles of coal slime or mine tailing of last cell body, by increasing by 2 groups or 4 The flotation cells number of the last cell body of group, can improve this part coal slime floating probability.It is further ensured that flotation efficiency.

7), the medicament or ore pulp in microvesicle static module flotation mechanism buffer barrel of the present invention is conveyed by delivery pump, defeated Send and be provided with the discharge nozzle of pump bubble generator, air is charged in ore pulp or medicament, air is with ore pulp or medicament Nozzle is moved to, there is one group of guide vane in nozzle, one group of guide vane generally comprises 4-6 blade；Ore pulp is with certain rotation Rotary speed sprays from nozzle, after premenstrual portion's trunnion current stabilization, directive radome fairing.Bubble is fed the trunnion of bottom by bubble generator Pipeline, gas bubble degree is big, and in front and back pressure reduction is big, easily realizes microfoam flotation；Gate is designed with nozzle and pipe joint, when floating Select body stop, maintenance when can closed shutter, so as to prevent ore pulp from flowing backwards, increased the service life and using value of this device.

8), microvesicle static module flotation mechanism cowling panel is set to be evenly distributed with the interval of ramp way in the present invention Plate, so as to constitute the single channel for being easy to mineralized particles to float；On the one hand cowling panel provides stable foam for secondary enrichment Layer, on the other hand prevents particle iterative cycles motion in cell body of mineralising, further ensures the high efficiency of flotation.

Because floatation process needs stable flow field, in order to reduce fluid movement velocity upwards, above jet expansion It is mounted with the radome fairing of segment shape.Flowing velocity is reduced after the rectified cover of gassiness flow of slurry, and the direction of motion changes, in flotation Double " V " flow fields are formed in unit.Radome fairing in the present invention further promotes the uniform and stable of flotation.

9), the present invention in microvesicle static module flotation mechanism each flotation cells top near concentrate feeder neighbour " overhead kick " the shape spray equipment for promoting concentrate foam to move to concentrate feeder is nearby equipped with, " secondary enrichment is on the one hand produced Effect ", on the other hand promotes froth bed to move to concentrate feeder direction, is conducive to the timely discharge of concentrate foam, concentrate Jing Fallen in concentrate feeder by scraping bubbler and scraping." the secondary enrichment " of indication refers to that mineral laden bubble has arrived froth zone, in a large number Aggregation, bubble rises floating speed and reduces, and bubble merging increases, and the water under letting out during aquation film rupture during merger is taken away and is clipped in foam The mine tailing of hydrophobicity difference, effectively increases the quality of concentrate in layer.

10), in the present invention between the cell body of microvesicle static module flotation mechanism, connected with " Z " font circulation port, first The suspension that the non-mineralising of groove is discharged is transported to next cell body middle and lower part flotation Mineralized Area, on the one hand realizes the remineralization of material, On the other hand ensure that top foam collecting region fluid stable, it is ensured that flotation effect index.

Description of the drawings

Fig. 1 is the structural representation of pre- de slime flotation mechanism of the invention.

Fig. 2 is the structural representation of self-interference elasticity rectification desliming device of the present invention.

Fig. 3 is the schematic enlarged-scale view of elastic tipping tube fairing in Fig. 2.

Fig. 4 is the schematic enlarged-scale view in Fig. 2 at overfall.

Fig. 5 is the front view of microvesicle static module flotation mechanism of the present invention.

Fig. 6 is the top view of Fig. 1.

Fig. 7 is the side view of Fig. 2.

Fig. 8 is the structural representation of cowling panel of the present invention.

Fig. 9 is the structural representation of swirling jet unit of the present invention.

Figure 10 is the top view of nozzle of the present invention.

Figure 11 is the stereochemical structure schematic diagram of nozzle of the present invention.

Figure 12 is the structure schematic diagram of spray equipment of the present invention.

The implication of label symbol is as follows in figure：

The pre- de slime flotation mechanism B- microvesicles static module flotation mechanisms of A-

10- desliming unit 11- ore pulps enter feed bin 110- the first feeding mouth 111- ore pulps distribution discharging opening

12- material guiding tube 13- self-interferences elasticity rectification desliming device 130- pan feeding valves 131- inclines casing

1310- underflow valve 1311- the first underflow opening 1312- overfall 132- split-flow baffles

133- drainage dividing plates 134- elasticity tipping tube fairing 1340- hang plate 1341- rectification holes

1342- spring 135- first material drainage channel 136- second material drainage channels

137- self-interferences mixed zone 138- derives groove 14- underflow collecting bins

141- the second feeding mouth 142- the second underflow opening 20- pump for mortar transmission 30- feed pipe for mortar

40- cell body 41- flotation cells 42- concentrate feeder 43- cowling panels

50- swirling jet unit 500- buffer barrel 501- delivery pump 502- nozzles

5020- guide vane 503- bubble generator 504- gate 60- spray equipments

51- radome fairing 61- float skimming devices

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described.Based on the embodiment in the present invention, those of ordinary skill in the art institute under the premise of creative work is not made The every other embodiment for obtaining, belongs to the scope of protection of the invention.

A kind of pre- desliming microvesicle static module floatation system, the system includes pre- de slime flotation mechanism A (as shown in Figure 1 to Figure 4 It is shown) and microvesicle static module flotation mechanism B (as shown in Fig. 5 to Figure 12)；

As shown in figure 1, the pre- de slime flotation mechanism includes support (being not drawn in figure) and is fixedly mounted on support The self-interference elasticity rectification desliming unit 10 being mutually connected as a single entity, pump for mortar transmission 20, and feed pipe for mortar 30；

As shown in Fig. 5,6,7, the microvesicle static module flotation mechanism includes the multiple cell bodies 40 being communicated as one；Appoint Multiple flotation cells 41 are evenly distributed with cell body 40 described in, are provided with to its internal flotation cells 41 in the side of first cell body and are sent The feeding pipe of material, is correspondingly provided with the mine tailing mouth for discharging mine tailing, arbitrary cell body 40 in the side of last cell body and is additionally provided with along feeding pipe Directional spreding between flotation cells 41 and both sides concentrate feeder 42；The bottom of arbitrary flotation cells 41 is mounted on It is provided with for dividing on the top of the jet of swirling jet unit 50 in swirling jet unit 50, arbitrary flotation cells 41 The radome fairing 51 of scattered gassiness ore pulp flow direction；Arbitrary top of the flotation cells 41 is equal near the adjacent place of concentrate feeder 42 It is provided with the spray equipment 60 for promoting concentrate foam to move to concentrate feeder 42；

The output end of the feed pipe for mortar 30 of the pre- de slime flotation mechanism A and the pan feeding of microvesicle static module flotation mechanism B Pipe is connected.

As shown in figure 1, the self-interference elasticity rectification desliming unit 10 is circular symmetrical structure, including from top to bottom successively Enter feed bin 11, material guiding tube 12, self-interference elasticity rectification desliming device 13, and underflow collecting bin 14 along ore pulp even；The ore pulp Enter the upper end of feed bin 11 and be provided with the first feeding mouth 110, the ore pulp enters uniformly to be provided with the side wall of feed bin 11 and material guiding tube 12 Connected ore pulp distribution discharging opening 111.

As shown in Fig. 2 self-interference elasticity rectification desliming device 13 is set to multiple and is uniformly and symmetrically distributed ore deposit in a ring Starch into the lower section of feed bin 11, the self-interference elasticity rectification desliming device 13 includes the pan feeding valve of the regulation aperture being connected with material guiding tube 12 130, and be connected with pan feeding valve 130 and be provided with the inclination casing 131 of the first underflow opening 1311 and overfall 1312.

It is described to incline the split-flow baffles 132 being installed with casing 131 positioned at the lower end of pan feeding valve 130 near cabinet exterior, lean on The drainage dividing plate 133 of nearly cabinet wall, the elastic tipping tube fairing 134 between drainage dividing plate 133 and cabinet wall； The split-flow baffles 132 are constituted with drainage dividing plate 133 and for the flow of slurry introduced from pan feeding valve 130 to be divided into the first up-narrow and down-wide thing Material drainage channel 135 (as shown in phantom in Figure 2) and second material drainage channel 136 wide at the top and narrow at the bottom are (such as dotted line institute in Fig. 2 Show) position coordinate；The second material drainage channel 136 is disturbed first material drainage channel 135 by convection current and inclined Self-interference mixed zone 137 is formed on the bottom of casing 131.

With reference to shown in Fig. 3, the elastic tipping tube rectification mechanism 134 is parallel with drainage dividing plate 133, and is set to by hang plate 1340 cross sections for surrounding are the oblique beam of lattice shape rectification hole 1341 of parallelogram；The elasticity inclines tube bank motor-generator set The connection of structure 134 inclines casing 131 and the edge of drainage dividing plate 133 is arranged for ease of according to the difference of feed thickness and feeding The spring 1342 of automatic fine tuning height.

With reference to shown in Fig. 4, the overfall 1312 is located on cabinet wall and higher than elastic tipping tube fairing 134 Upper surface, is also associated with guiding the derivation groove that ore pulp overflows in elastic tipping tube fairing 134 at the overfall 1312 138, the derivation groove 138 is set to and inclines the width identical cell body of casing 131；Pass through in the self-interference mixed zone 137 Underflow valve 1310 controls the opening and closing of the first underflow opening 1311.

The underflow collecting bin 14 is located at the centre position of the elastic rectification desliming device 13 of each interference, the underflow collecting bin 14 side walls are uniformly provided with the second feeding mouth for connecting the underflow opening 1311 of self-interference elasticity rectification desliming device 13 first 141；The lower end of underflow collecting bin 14 is provided with the second underflow opening 142；The entrance of the pump for mortar transmission 20 and underflow collecting bin 14 The second underflow opening 142 be connected, the outlet of the pump for mortar transmission 20 is connected with the one end of feed pipe for mortar 30.

With reference to shown in Fig. 8, the middle and upper part of arbitrary cell body 40 is also equipped with the cowling panel 43 for steady flow condition fluidised form. The cowling panel 43 is set to be evenly distributed with the space bar of ramp way, and the cowling panel 43 is constituted is easy to what mineralized particles floated Single channel.The cell body is set to 4 grooves；Flotation cells 41 in each cell body 40 are set to 4 groups, wherein, the flotation list in last cell body Unit 41 is than more than 41 2 groups or 4 groups of flotation cells in above cell body.

The mine tailing of arbitrary cell body 40 is entered the downside of the cowling panel 43 of next cell body 40 by " Z " font circulation port, until Finally discharged by mine tailing mouth, also, the mouth of pipe and mine tailing mouth of feeding pipe is all provided with " Z " font for ease of stable charging discharging.

With reference to shown in Fig. 9, the swirling jet unit 50 includes the delivery pump that buffer barrel 500 is connected with buffer barrel 500 501st, nozzle 502 and connection delivery pump 501 and the pipeline of nozzle 502, on the pipeline bubble generator is also associated with 503；The bubble generator 503 includes pressure gauge, flowmeter and compressed air, the setting of the bubble generator 503 Composition makes air that the cooperation of nozzle 502 is pumped to material Jing delivery pumps 501 in buffer barrel 500.

As shown in Figure 10,11, one is provided with the nozzle 502 and assembles the water conservancy diversion for closing the gassiness ore pulp formation eddy flow being pumped into Blade 5020, the guide vane 5020 is set to 4～6；The pipeline is set to trunnion, the nozzle 502 and pipe joint It is designed with the gate 504 for being easy to flotation unit to overhaul.

As shown in fig. 7, two adjacent groups swirling jet unit shares a delivery pump 501.

As shown in figure 5, the radome fairing 51 is set to segment shape；The setting of the radome fairing 51 causes gassiness ore pulp Jing eddy flows Injection apparatus 50 is penetrated on radome fairing 51 after spraying and changes flow direction, forms double " V " flow fields.

As shown in figure 12, described " overhead kick " shape direction is located in the plane of feeding pipe, meanwhile, " overhead kick " shape direction Setting move to the direction of concentrate feeder 42 beneficial to froth bed；Along feeding pipe directional spreding in cell body 40 41 liang of flotation cells Float skimming device 61 is provided between the concentrate feeder 42 and the spray equipment 60 of side.

The course of work of the system is further described in detail below in conjunction with the accompanying drawings.

First, black water goes out stream from the ore pulp distribution discharging opening 111 that ore pulp enters feed bin 11, and Jing material guiding tubes 12 are in pan feeding valve Self-interference elasticity rectification desliming device 13 is entered under 130 control, two strands of threshold speed identical is split at split-flow baffles 132 Material stream, one material stream is conveyed downwards along first material drainage channel 135, and in addition one material stream is with same initial velocity edge Convey downwards in second material drainage channel 136, and due to design wide at the top and narrow at the bottom with high velocity stream in bottom self-interference mixed zone 137 form interference stream upwards, so as to carry out self-interference sedimentation with the logistics in first material drainage channel 135, accelerate cleaned coal Separate with thin mud, so as to ensure effective removing of thin mud material；Then mix logistics height constantly to rise, by elasticity inclination Rectification hole on tube bank rectification mechanism 134, turbulent flow becomes orderly laminar flow, and the setting of hang plate 1340 increases settling area Settling height is shortened simultaneously, accelerates particle sedimentation；Simultaneously elasticity inclines tube bank spring of the rectification mechanism 134 by edge 1342 can be according to feed thickness and the different buoyancy difference automatic fine tuning height for producing of feeding, it is ensured that overflow material has conjunction The time of reason carries out hindered falling, so as to ensure effective removing of thin mud material.

Through hindered falling, plaster flows out with overflow from the Jing guiding gutters 138 of overfall 1312, while underflow materials are from certainly First underflow opening 1311 of the elastic rectification desliming device 13 of interference flows out and converges at underflow collecting bin 14, then the second underflow openings of Jing 142 Into pump for mortar transmission 20, then it is transported in microvesicle static module flotation mechanism B to enter to advance by feed pipe for mortar 30 by pump for mortar transmission 20 One step flotation.

4 cell bodies are provided with the present embodiment microvesicle static module flotation mechanism B, the arbitrary cell body 40 in addition to last cell body Constituted by 4 groups of flotation cells 41, the number of flotation cells 41 of last cell body 2 groups more than above cell body, as 6 groups.Each flotation The volume of unit 41 is 8m³。

When flotation material enters first cell body from " Z " the font mouth of pipe of feeding pipe, the bottom of flotation cells 41 in first cell body Swirling jet unit 50 is started working, and ore pulp or medicament fall from buffer barrel 500, the entrained gas of Jing bubble generators 503 Afterwards, gassiness ore pulp or gassiness medicament or ore pulp are pumped in trunnion with the mixing gassiness thing Jing delivery pumps 501 of both medicaments, with one Fixed initial velocity sprays from the nozzle 502 of swirling jet unit 50, penetrates on the radome fairing 51 of segment shape, so that fluid dynamic energy Reduce, change flow direction, form double " V " flow fields, bubble is contacted in uphill process with hydrophobicity ore particle, forms mineralising gas Bubble；Then, by the cowling panel 43 installed in the middle and upper part of cell body 40, further steady flow condition fluidised form is formed on mineralized particles Floating single channel；The top of cell body 40 is finally reached, Jing after " overhead kick " the shape spray equipment 60 on the top of flotation cells 41, is promoted Concentrate foam to concentrate feeder 42 is moved, along feeding pipe directional spreding both sides of flotation cells 41 in cell body 40 concentrate via Float skimming device 61 is scraped and fallen in concentrate feeder 42, is distributed in the froth bed in cell body 40 in the middle of flotation cells 41 then by bubble Foam is from collection of overflowing.Mine tailing per groove enters the downside of next cell body cowling panel 43 by " Z " font circulation port, and true tailings is by " Z " word Shape mine tailing mouth is discharged.

Claims (9)

1. a kind of pre- desliming microvesicle static module floatation system, it is characterised in that：The system includes pre- de slime flotation mechanism (A) With microvesicle static module flotation mechanism (B)；

The pre- de slime flotation mechanism (A) includes support and to be fixedly mounted on the self-interference elasticity being mutually connected as a single entity on support whole Stream desliming unit (10), pump for mortar transmission (20), and feed pipe for mortar (30)；

The microvesicle static module flotation mechanism (B) includes the multiple cell bodies (40) being communicated as one；Arbitrary cell body (40) multiple flotation cells (41) are evenly distributed with, are provided with to its internal flotation cells (41) feeding in the side of first cell body Feeding pipe, is correspondingly provided with the mine tailing mouth for discharging mine tailing, arbitrary cell body (40) in the side of last cell body and is additionally provided with along feeding pipe side To be distributed between flotation cells (41) and both sides concentrate feeder (42)；Pacify the bottom of arbitrary flotation cells (41) Equipped with swirling jet unit (50), the top of arbitrary flotation cells (41) inherence swirling jet unit (50) jet is all provided with It is equipped with the radome fairing (51) for disperseing gassiness ore pulp flow direction；Collect near concentrate on the arbitrary flotation cells (41) top The adjacent place of groove (42) is equipped with the spray equipment (60) for promoting concentrate foam to move to concentrate feeder (42)；

The output end of feed pipe for mortar (30) of the pre- de slime flotation mechanism (A) and entering for microvesicle static module flotation mechanism (B) Expects pipe is connected；

Self-interference elasticity rectification desliming unit (10) is circular symmetrical structure, including from top to bottom successively suitable ore pulp even enters Feed bin (11), material guiding tube (12), self-interference elasticity rectification desliming device (13), and underflow collecting bin (14)；The ore pulp pan feeding Storehouse (11) upper end is provided with the first feeding mouth (110), and the ore pulp enters and is uniformly provided with and material guiding tube in feed bin (11) side wall (12) connected ore pulp distribution discharging opening (111).

2. pre- desliming microvesicle static module floatation system according to claim 1, it is characterised in that：The self-interference bullet Property rectification desliming device (13) be set to it is multiple and be uniformly and symmetrically distributed in a ring ore pulp enter feed bin (11) lower section, the self-interference bullet Property rectification desliming device (13) includes the pan feeding valve (130) of the regulation aperture being connected with material guiding tube (12), and with pan feeding valve (130) It is connected and is provided with the inclination casing (131) of the first underflow opening (1311) and overfall (1312).

3. pre- desliming microvesicle static module floatation system according to claim 2, it is characterised in that：The inclination casing (131) split-flow baffles (132) positioned at pan feeding valve (130) lower end near cabinet exterior are installed with, near drawing for cabinet wall Stream dividing plate (133), the elastic tipping tube fairing (134) positioned at drainage dividing plate (133) and cabinet wall between；The shunting Dividing plate (132) is constituted with drainage dividing plate (133) and for the flow of slurry introduced from pan feeding valve (130) to be divided into up-narrow and down-wide first material The position of drainage channel (135) and second material drainage channel (136) wide at the top and narrow at the bottom coordinates；The second material drainage channel (136) first material drainage channel (135) is disturbed by convection current and forms self-interference mixed zone in the bottom for inclining casing (131) (137)；

The elastic tipping tube fairing (134) is parallel with drainage dividing plate (133), and is set to what is surrounded by hang plate (1340) Cross section is oblique lattice shape rectification hole (1341) beam of parallelogram；The elastic tipping tube fairing (134) is even Connect incline casing (131) and drainage dividing plate (133) edge arrange for ease of according to feed thickness and feeding difference oneself The spring (1342) of dynamic height-fine adjustment；

The overfall (1312) is described on cabinet wall and higher than the upper surface of elastic tipping tube fairing (134) Overfall (1312) place is also associated with the derivation groove (138) for guiding the interior ore pulp of elastic tipping tube fairing (134) to overflow, described Derive groove (138) to be set to and incline casing (131) width identical cell body；In the self-interference mixed zone (137) bottom of by Stream valve (1310) controls the opening and closing of the first underflow opening (1311).

4. the pre- desliming microvesicle static module floatation system according to Claims 2 or 3, it is characterised in that：The underflow Collecting bin (14) is located at the centre position of elastic rectification desliming device (13) of each interference, and underflow collecting bin (14) side wall is uniform The second feeding mouth (141) being provided with for connecting the underflow opening (1311) of self-interference elasticity rectification desliming device (13) first；Institute State underflow collecting bin (14) lower end and be provided with the second underflow opening (142)；The entrance of the pump for mortar transmission (20) and underflow collecting bin (14) the second underflow opening (142) is connected, and the outlet of the pump for mortar transmission (20) is connected with feed pipe for mortar (30) one end.

5. pre- desliming microvesicle static module floatation system according to claim 1, it is characterised in that：The microvesicle is static The middle and upper part of arbitrary cell body (40) is also equipped with the cowling panel (43) for steady flow condition fluidised form in modularization flotation mechanism (B), The cowling panel (43) is set to be evenly distributed with the space bar of ramp way, and the cowling panel (43) constitutes and is easy on mineralized particles Floating single channel.

6. pre- desliming microvesicle static module floatation system according to claim 1, it is characterised in that：The cell body (40) It is set to 2～6 grooves；Flotation cells (41) in arbitrary cell body (40) are set to 4～10 groups, wherein, the flotation list in last cell body First (41) are than 2 groups more or 4 groups of flotation cells (41) in above cell body；The mine tailing of arbitrary cell body (40) is followed by " Z " font Annular distance enters the downside of next cell body (40) cowling panel (43), until finally being discharged by mine tailing mouth.

7. pre- desliming microvesicle static module floatation system according to claim 1, it is characterised in that：The swirl injection Delivery pump (501), nozzle (502) and connection conveying that device (50) is connected including buffer barrel (500) with buffer barrel (500) Pump (501) and the pipeline of nozzle (502), are also associated with bubble generator (503) on the pipeline；The bubble generator (503) including pressure gauge, flowmeter and compressed air, the setting of the bubble generator (503) is constituted and makes air with buffering The interior material Jing delivery pumps (501) of bucket (500) are pumped to the cooperation of nozzle (502)；

The guide vane (5020) for coordinating the gassiness ore pulp being pumped into form eddy flow, the water conservancy diversion are provided with the nozzle (502) Blade (5020) is set to 4～6；The pipeline is set to trunnion, and the nozzle (502) is designed with pipe joint and is easy to flotation The gate (504) of turnaround of unit.

8. pre- desliming microvesicle static module floatation system according to claim 1, it is characterised in that：The radome fairing (51) it is set to segment shape；The setting of the radome fairing (51) causes gassiness ore pulp to penetrate whole Jing after swirling jet unit (50) ejection Change flow direction on stream cover (51), form double " V " flow fields.

9. pre- desliming microvesicle static module floatation system according to claim 1, it is characterised in that：The spray equipment (60) spray end is set to " overhead kick " shape；" overhead kick " the shape direction is located in the plane of feeding pipe, meanwhile, " overhead kick " The setting in shape direction is moved beneficial to froth bed to concentrate feeder (42) direction；Float in cell body (40) along feeding pipe directional spreding Float skimming device (61) is additionally provided between the concentrate feeder (42) and the spray equipment (60) of menu unit (41) both sides.