CN208244521U - A kind of compound coal slime flotation high shear pretreatment unit - Google Patents
A kind of compound coal slime flotation high shear pretreatment unit Download PDFInfo
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- CN208244521U CN208244521U CN201820239140.8U CN201820239140U CN208244521U CN 208244521 U CN208244521 U CN 208244521U CN 201820239140 U CN201820239140 U CN 201820239140U CN 208244521 U CN208244521 U CN 208244521U
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Abstract
The utility model relates to ore pulp preprocessing technical fields before flotation, specifically a kind of compound coal slime flotation high shear pretreatment unit, realize that particle surface is cleaned simultaneously, particles flocculate, the function that medicament disperses and mixes with ore pulp, it sizes mixing staving including cylinder circular platform type, ore pulp overflow launder, ore pulp outflow port and by motor, the drive system of belt drive unit composition, by sleeve, the air-breathing dosing component of air intake duct and valve composition, belt drive unit is connected with agitating shaft, agitating shaft is provided in the range of being located at cylindrical body by absorbing impeller and stator, stator cover board group at Aerated stirring mechanism, agitating shaft is provided with the multilayer rabbling mechanism that by straight blade impeller and the axial wheel with inclination angle forms in the range of being located at inverted round stage staving.The utility model is particular for fine-particle minerals since the high bring of content is to coarse granule mineral surfaces thin mud the cover and mineralising low efficiency, poor selectivity, the low problem of concentrate recovery efficiency, with high adaptability.
Description
Technical field
The utility model relates to ore pulp preprocessing technical field before flotation, specifically a kind of compound coal slime flotation high shear pretreatment
Device.
Background technique
Ore pulp pretreatment is essential link in mineral floatation technique, is the elder generation that flotation device obtains good technique index
Certainly condition.The pretreated necessity of ore pulp is before flotation: 1) by floating agent (collecting agent, foaming agent, dispersing agent and regulator
Deng) disperse and the floating agent of dispersion is well mixed with ore pulp, adsorption of collector target minreal surface raising mineral it is hydrophobic
Property；2) floating agent and mineral surfaces generation physical-chemical reaction need certain action time and condition；3) floating ore pulp will be entered
Concentration dilution is to zone of reasonableness.As the nature of Mineral Resources in China is to poor miscellaneous thin transformation, valuable mineral disseminated grain size is increasingly
Carefully, composition also becomes increasingly complex, and the ore dressing recovering effect of low-grade subparticle mineral resources is very unsatisfactory always.It improves fine
The recovery efficiency of grain ore resource has become economic construction of China, improves Mineral Resources in China guaranteed extent difficulty urgently to be solved
Topic.Ore pulp preconditioning technique equipment has been difficult to meet the requirement of complicated mineral products resource high-efficiency flotation recovery before conventional flotation.
At present before flotation in ore pulp pretreatment process, common ore pulp pretreatment mode mainly has:
(1) mechanical stirring surge tank: before traditional flotation mechanical stirring surge tank by chemical industry stirred tank develop and
Come, the stirring flow field that device drives the one or more blade agitators rotation being mounted on main shaft to generate is driven by motor and realizes
The mixing of medicament dispersion and ore pulp and medicament, and mixed process is strengthened using the baffle on circulation barrel and bucket wall.China's last century
The eighties, the XY series coal paste preprocessor of research and development was after floating agent is introduced into dosing mouth, by stator blade wheel mixer
Upper layer blade rotation generate parital vacuum medicament suck and is dispersed, by lower layer's impeller sucking ore pulp, in two layers of impeller
Outlet realize the mixing of medicament and ore pulp, since impeller linear velocity is lower, the non-polar hydrocarbon oil droplet diameter that is dispersed compared with
Greatly, dispersion mixing is uneven in coal slurry, increases floating agent dosage.Utility model patent (application number 200910080897.2)
A kind of surface modification pulp mixing machine and its application are disclosed, by mixing cirtern, multistage is successively arranged from stock inlet in mixing cirtern and sizes mixing room,
Adjacent room of sizing mixing is made up of the dish-type blade being fixed on agitating shaft and the partition being fixed on barrel wall and baffle, by mine
Slurry imposes high shear environment, improves medicament dispersion and its poor in the hydrophobicity that increases between mineral of adsorption effect of mineral surfaces
It is different, improve mineral floatability.The technical solution exists due to there is certain liquid level in mixing cirtern, and pan feeding and floating agent needs lean on
The defect that pressure is fed, and can not achieve the pre- inflation mineralising of ore pulp, it is the improvement to convention stir slot.
(2) kaskad apparatus for pre-flotation pulp conditioning: prepare the eighties in last century in the XK series ore pulp that China's coal-mine coal preparation plant begins to use
Device, as utility model patent entitled " being atomized hybrid coal paste preprocessor " (application number 201010033384.9) issued with
Lower technical solution: it is made of atomization system, upper box body and lower part box three parts, and atomization system is by main motor, flexible connection
Axis device, sleeve, haze the composition such as disk and dosing funnel.Upper box body is charging and floating agent is atomized workspace, cabinet outside
There is center feed chute, there is overflow launder in the left and right sides.Lower part box is the working space that coal slurry is mixed with floating agent, the left and right sides
It is mounted on three pieces of upper slides and two pieces of lower skateboards, uniformly distributed contour bank item on each slide plate.In actual use, floating agent is through adding
Medicine funnel and pipeline flow into the sleeve above the disk that hazes, and splash down in the Pan Zhengmianzhongxinqu that hazes.It is adhered to high-speed rotating
One layer of liquid film is formed in disk, is moved under the action of the centrifugal force to plate edge, is droplet by the saw cut of plate edge；Enter float coal
Slurry is assigned in the overflow weir of upper box body two sides through center feed chute, along the wide city waterfall shape overflow in weir, let out fall during
It meets with floating agent droplet, some droplet directly drops to first layer upper slide by gravity, later, is mixed with flotation medicine
The coal slurry of agent is continuously jumped up and is mixed by the bank item of upper lower skateboard, so that coal slurry is sufficiently mixed with floating agent droplet, until
It excludes to enter flotation device from the bottom of box, as coal paste preprocessor relatively advanced in field, floating agent dispersion effect
Preferably；But it is found in actual use, since floating agent dispersion effect is only realized by disk rotation of hazing in above structure, often
The sealed shape cabinet for being used to form confined space is needed, to prevent drifting for misty medicament, the formation of closed environment is often
Cause disk working environment poor the defects of being prone to failure and difficult maintenance maintenance of hazing.To give execute-in-place and maintenance workers
Bring puzzlement；Due to only leaning on movement of the coal slurry on bank item to realize the mixing of floating agent and coal slurry, mixing intensity is lower.
(3) jet mixer: the water-jetting type coal paste preprocessor that some coal preparation plants promote the use of in China is substantially pressed
Power ore pulp is projected from nozzle at high speeds, negative pressure is formed in injector, floating agent is consequently inhaled and wraps up in and is rolled onto jet stream, through waterpower
Impact, shearing are separated into oil droplet, and the mixing of floating agent and coal slurry is realized at ejector trunnion.This mode of sizing mixing mixes by force
Degree is low with the uniformity, and the residence time is short, haves the defects that medicament and coal slurry effect are insufficient.
Ore pulp pre-processing device before flotation in the prior art, mineral and coal slime for regular particle size have preferable effect
Fruit, but fine-particle minerals are directed to, if granularity is less than 200 mesh, the high bring of content is to coarse granule mineral surfaces thin mud the cover and mine
Change low efficiency, the technical problem of poor selectivity, bad adaptability, concentrate recovery efficiency are low.
Summary of the invention
The purpose of the utility model is to provide ore pulp high shears before a kind of flotation that can be suitably used for microfine coal flotation to size mixing
Pretreatment unit, while realizing that particle surface is cleaned, particles flocculate, the function that medicament disperses and mixes with ore pulp.
The utility model is achieved by the following technical solution: a kind of compound coal slime flotation high shear pretreatment unit,
It sizes mixing staving, ore pulp overflow launder, ore pulp outflow port and the driving being made of motor, belt drive unit including cylinder circular platform type
System, the air-breathing dosing component being made of sleeve, air intake duct and valve, cylinder circular platform type size mixing staving top as column barrel
Body, lower part are the composite structure of inverted round stage staving, and the bottom centre position of inverted round stage staving is provided with feeding inlet, and drive system is set
Set and size mixing at the top of staving in cylinder circular platform type, motor drives belt drive unit operating, belt drive unit be connected with it is vertical and
Down-set agitating shaft, agitating shaft are provided in the range of being located at cylindrical body by absorbing impeller and stator, stator cover
Board group at Aerated stirring mechanism, agitating shaft is provided with by straight blade impeller in the range of being located at inverted round stage staving and with inclining
The multilayer rabbling mechanism of the axial wheel composition at angle, inverted round stage staving is interior to be provided with cylindrical suction centered on multilayer rabbling mechanism
Slurry pipe, cylindrical pulp-absorbing pipe top is provided with truncated cone-shaped pulp-absorbing pipe, the absorbing impeller of truncated cone-shaped pulp-absorbing pipe and Aerated stirring mechanism
Relatively, absorbing impeller is provided centrally with pulp absorbing hole, and cylindrical midge inside pipe wall is provided with baffle in parallel.
Sleeve is set in agitating shaft upper area, and sleeve bottom is fixedly connected with stator cover board, is provided with mine on stator cover board
Starch circulation port；Absorbing impeller is the double-deck beveled structure, and upper layer impeller upper surface is provided with hilt shape blade, and hilt shape blade is in incline
Tiltedly arrangement, lower layer's impeller upper surface are provided with arc shaped blade, and lower leave is provided centrally with pulp absorbing hole.
Straight blade impeller is provided with two groups along agitating shaft, and straight blade impeller bottom is axial wheel, and straight blade impeller is by taking turns
Hub and rectangular paddle composition, rectangular paddle can right angle setting or hypsokinesis installation, axial wheel is made of wheel hub and dihedral vane.
Truncated cone-shaped pulp-absorbing pipe and cylindrical pulp-absorbing pipe by space in multilayer rabbling mechanism and cylinder circular platform type mixing cirtern body every
From there are ore pulp circulation canal, baffle and inverted round stage inner wall of barrel to be arranged for cylindrical midge bottom of the tube and inverted round stage staving bottom
There is interval.
Ore pulp overflow launder and ore pulp outflow port are arranged on cylindrical body.
Dilution mouth is provided on inverted round stage staving.
As technical solution provided by the utility model it can be seen that being cut according to compound coal slime flotation height described in utility model
Cut pretreatment unit, ore pulp enters cylinder circular platform type from bottom feeding inlet and sizes mixing staving, passes sequentially through and is equipped with multilayer blender
The inverted round stage staving of structure and the cylindrical body for being equipped with Aerated stirring mechanism, axis of the pan feeding ore pulp through multilayer rabbling mechanism lower part
Stream impeller forms the flow of slurry flowed up, realizes that particle surface is wiped by the strong stirring flow field that straight blade impeller stirring generates
It washes and flocculates with particle turbulent flow；And through center truncated cone-shaped pulp-absorbing pipe, by stirring inflation mechanism impeller rotate the negative pressure to be formed into
Enter and inflate impeller, via sleeve, the air-breathing dosing component of air intake duct, valve composition enters stirring inflator for floating agent and air
Space and upper layer impeller that the absorbing impeller and stator cover board of structure are formed and the space that lower layer's impeller is formed, due to absorbing impeller
For the double-deck beveled structure, flow of slurry generates at a certain distance from distance outlet in the middle part of absorbing impeller top flow of slurry and absorbing impeller
Cross collision, realizes that medicament, air are mixed with the strong of ore pulp, and truncated cone-shaped pulp-absorbing pipe and cylindrical pulp-absorbing pipe are by multilayer blender
Structure is isolated with space in cylinder circular platform type mixing cirtern body, and the gap of cylindrical pulp-absorbing pipe and inverted round stage staving bottom forms ore pulp and follows
Ring channel, sizing mixing, treated enters ore pulp overflow launder through overflow weir gravity flow, is finally discharged by ore pulp outflow port, before completing flotation
Ore pulp is sized mixing process.
The utility model can be completed at the same time ore particle surface clean, medicament addition with dispersion, Shear flocculation, ore pulp air-breathing,
Strengthen a variety of functions of sizing mixing such as ore particle and medicament absorption, particular for fine-particle minerals, since the high bring of content is to coarse granule
Mineral surfaces thin mud the cover and mineralising low efficiency, poor selectivity, the low problem of concentrate recovery efficiency have high adaptability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the compound coal slime flotation high shear pretreatment unit of the utility model；
Fig. 2 is the structural schematic diagram of cylinder truncated cone-shaped staving in the utility model；
Fig. 3 is the structural schematic diagram of absorbing impeller in the utility model；
Fig. 4 is the arrangement schematic diagram of absorbing impeller structure bottom blade in the utility model；
Fig. 5 is the arrangement schematic diagram of absorbing impeller structure top blade in the utility model；
Fig. 6 is the structural schematic diagram of the utility model straight blade impeller.
In figure: 1- motor, 2- belt drive unit, 3- agitating shaft, 4- absorbing impeller, 5- stator, 6- stator cover board, 7- are straight
Blade impeller, 8- valve, 9- axial wheel, 10- truncated cone-shaped pulp-absorbing pipe, 11- cylinder pulp-absorbing pipe, 12- cylindrical body, 13-
Inverted round stage staving, 14- feeding inlet, 15- sleeve, 16- air intake duct, 17- ore pulp overflow launder, 18- pulp absorbing hole, 19- dilute mouth, 20-
Ore pulp outflow port, 21- baffle, 22- arc shaped blade, 23- hilt shape blade.
Specific embodiment
Utility model is further elaborated in referring to Fig.1~Fig. 6, a kind of compound coal slime flotation high shear pretreatment dress
It sets, including cylinder circular platform type is sized mixing staving, ore pulp overflow launder 17, ore pulp outflow port 20 and by motor 1, belt drive unit 2
The drive system of composition, the air-breathing dosing component being made of sleeve 15, air intake duct 16 and valve 8, cylinder circular platform type are sized mixing staving
Top is cylindrical body 12, and lower part is the composite structure of inverted round stage staving 13, and the bottom centre position of inverted round stage staving 13 is set
It is equipped with feeding inlet 14, drive system setting is sized mixing in cylinder circular platform type at the top of staving, and motor 1 drives belt drive unit 2 to operate,
Belt drive unit 2 is connected with vertical and down-set agitating shaft 3, and agitating shaft 3 is in the range of being located at cylindrical body 12
It is provided with the Aerated stirring mechanism being made of absorbing impeller 4 and stator 5, stator cover board 6, agitating shaft 3 is being located at inverted round stage staving
The multilayer rabbling mechanism that by straight blade impeller 7 and the axial wheel with inclination angle 9 forms, inverted round stage bucket are provided in the range of 13
Cylindrical pulp-absorbing pipe 11 is provided with centered on multilayer rabbling mechanism in body 10, cylindrical 11 top of pulp-absorbing pipe is provided with truncated cone-shaped
The absorbing impeller 4 of pulp-absorbing pipe 10, truncated cone-shaped pulp-absorbing pipe 10 and Aerated stirring mechanism is opposite, and absorbing impeller 4 is provided centrally with midge
Mouthful, cylindrical 11 inner wall of pulp-absorbing pipe is provided with baffle 21 in parallel.
When work, ore pulp is sized mixing staving from bottom feeding inlet 14 into cylinder circular platform type, is passed sequentially through and is equipped with multilayer and stirs
It mixes the inverted round stage staving 13 of mechanism and the cylindrical body 12 of Aerated stirring mechanism is installed, pan feeding ore pulp is through multilayer rabbling mechanism
The axial wheel 9 of lower part forms the flow of slurry flowed up, realizes by the strong stirring flow field that the stirring of straight blade impeller 7 generates
Particle surface is cleaned and the flocculation of particle turbulent flow；And the truncated cone-shaped pulp-absorbing pipe 10 through center, it is revolved by the impeller of stirring inflation mechanism
The negative pressure for turning to be formed enters absorbing impeller 4, floating agent and air via sleeve 15, and the air-breathing of air intake duct 16, the composition of valve 8 adds
The space and upper layer impeller and lower layer's impeller that medicine component enters the inflation impeller 4 of stirring inflation mechanism and stator cover board 6 is formed
The space of formation, since absorbing impeller 4 is the double-deck beveled structure, 4 middle part ore pulp of 4 top flow of slurry of absorbing impeller and absorbing impeller
Stream generates the collision that crosses at a certain distance from distance outlet, realizes that medicament, air are mixed with the strong of ore pulp, truncated cone-shaped pulp-absorbing pipe
10 and cylindrical pulp-absorbing pipe 11 multilayer rabbling mechanism is isolated with space in cylinder circular platform type mixing cirtern body, cylindrical pulp-absorbing pipe 11
Ore pulp circulation canal is formed with the gap of 13 bottom of inverted round stage staving, sizing mixing, treated enters ore pulp overflow through overflow weir gravity flow
Slot 17 is finally discharged by ore pulp outflow port 20, and ore pulp is sized mixing process before completing flotation.
Claims (6)
1. a kind of compound coal slime flotation high shear pretreatment unit, it is characterised in that: it sizes mixing staving including cylinder circular platform type, ore pulp
Overflow launder (17), ore pulp outflow port (20) and the drive system being made of motor (1), belt drive unit (2), by sleeve
(15), the air-breathing dosing component of air intake duct (16) and valve (8) composition, cylinder circular platform type size mixing staving top as cylindrical body
(12), lower part is the composite structure of inverted round stage staving (13), and the bottom centre position of inverted round stage staving (13) is provided with feeding inlet
(14), drive system setting is sized mixing at the top of staving in cylinder circular platform type, and motor (1) drives belt drive unit (2) operating, belt
Transmission device (2) is connected with vertical and down-set agitating shaft (3), and agitating shaft (3) is in the model for being located at cylindrical body (12)
The Aerated stirring mechanism being made of absorbing impeller (4) and stator (5), stator cover board (6) is provided in enclosing, agitating shaft (3) is in place
Be provided in the range of inverted round stage staving (13) axial wheel (9) by straight blade impeller (7) and with inclination angle form it is more
Layer rabbling mechanism, inverted round stage staving (13) is interior to be provided with cylindrical pulp-absorbing pipe (11) centered on multilayer rabbling mechanism, cylindrical
Pulp-absorbing pipe (11) top is provided with truncated cone-shaped pulp-absorbing pipe (10), the absorbing impeller of truncated cone-shaped pulp-absorbing pipe (10) and Aerated stirring mechanism
(4) relatively, absorbing impeller (4) is provided centrally with pulp absorbing hole, and cylindrical pulp-absorbing pipe (11) inner wall is provided with baffle in parallel
(21).
2. a kind of compound coal slime flotation high shear pretreatment unit according to claim 1, it is characterised in that: sleeve (15)
It is set in agitating shaft (3) upper area, sleeve (15) bottom is fixedly connected with stator cover board (6), and stator cover board is provided with mine on (6)
Starch circulation port；Absorbing impeller (4) is the double-deck beveled structure, and upper layer impeller upper surface is provided with hilt shape blade (23), hilt shape
The inclined arrangement of blade, lower layer's impeller upper surface are provided with arc shaped blade (22), and lower leave is provided centrally with pulp absorbing hole (18).
3. a kind of compound coal slime flotation high shear pretreatment unit according to claim 1 or 2, it is characterised in that: straight leaf
Piece impeller (7) is provided with two groups along agitating shaft (3), and straight blade impeller (7) bottom is axial wheel (9), straight blade impeller (7) by
Wheel hub and rectangular paddle composition, rectangular paddle can right angle setting or hypsokinesis installation, axial wheel (9) is by wheel hub and dihedral vane group
At.
4. a kind of compound coal slime flotation high shear pretreatment unit according to claim 1, it is characterised in that: truncated cone-shaped is inhaled
Multilayer rabbling mechanism is isolated with space in cylinder circular platform type mixing cirtern body for slurry pipe (10) and cylindrical pulp-absorbing pipe (11), cylindrical
There are ore pulp circulation canal, baffle (21) and inverted round stage staving (13) are interior for pulp-absorbing pipe (11) bottom and inverted round stage staving (13) bottom
Wall is provided with interval.
5. a kind of compound coal slime flotation high shear pretreatment unit according to claim 1, it is characterised in that: ore pulp overflow
Slot (17) and ore pulp outflow port (20) are arranged on cylindrical body (12).
6. a kind of compound coal slime flotation high shear pretreatment unit according to claim 1 or 4, it is characterised in that: rounding
Dilution mouth (19) is provided on platform staving (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820239140.8U CN208244521U (en) | 2018-02-10 | 2018-02-10 | A kind of compound coal slime flotation high shear pretreatment unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820239140.8U CN208244521U (en) | 2018-02-10 | 2018-02-10 | A kind of compound coal slime flotation high shear pretreatment unit |
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| CN208244521U true CN208244521U (en) | 2018-12-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246155A (en) * | 2018-02-10 | 2018-07-06 | 太原理工大学 | A kind of compound coal slime flotation high shear pretreatment unit |
| CN109530073A (en) * | 2019-01-21 | 2019-03-29 | 冉冰 | A kind of intelligent and high-efficiency superfine granule mineral gravity concentrator and the method for ore dressing |
| CN111871619A (en) * | 2020-06-22 | 2020-11-03 | 中国矿业大学 | Pre-selection efficient size mixing equipment suitable for wide-size flotation |
| CN114713060A (en) * | 2021-09-01 | 2022-07-08 | 中国矿业大学 | Time-space non-homogeneous state circulation jet flow coupled size mixing device |
-
2018
- 2018-02-10 CN CN201820239140.8U patent/CN208244521U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246155A (en) * | 2018-02-10 | 2018-07-06 | 太原理工大学 | A kind of compound coal slime flotation high shear pretreatment unit |
| CN109530073A (en) * | 2019-01-21 | 2019-03-29 | 冉冰 | A kind of intelligent and high-efficiency superfine granule mineral gravity concentrator and the method for ore dressing |
| CN111871619A (en) * | 2020-06-22 | 2020-11-03 | 中国矿业大学 | Pre-selection efficient size mixing equipment suitable for wide-size flotation |
| CN111871619B (en) * | 2020-06-22 | 2021-11-23 | 中国矿业大学 | Pre-selection efficient size mixing equipment suitable for wide-size flotation |
| CN114713060A (en) * | 2021-09-01 | 2022-07-08 | 中国矿业大学 | Time-space non-homogeneous state circulation jet flow coupled size mixing device |
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Effective date of registration: 20210324 Address after: 017211 no.3002, North Xingyuan, xinkhan Road, a town, ejinholo banner, Ordos City, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Keling times Mining Technology Co.,Ltd. Address before: 030024 No. 79 West Main Street, Taiyuan, Shanxi, Yingze Patentee before: Taiyuan University of Technology |
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