CN109513529A - A kind of vertical ore pulp surface property modifier - Google Patents
A kind of vertical ore pulp surface property modifier Download PDFInfo
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- CN109513529A CN109513529A CN201811642702.4A CN201811642702A CN109513529A CN 109513529 A CN109513529 A CN 109513529A CN 201811642702 A CN201811642702 A CN 201811642702A CN 109513529 A CN109513529 A CN 109513529A
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- 239000003607 modifier Substances 0.000 title claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 51
- 238000003756 stirring Methods 0.000 claims abstract description 47
- 238000013019 agitation Methods 0.000 claims abstract description 31
- 239000002002 slurry Substances 0.000 claims abstract description 31
- 239000000126 substance Substances 0.000 claims abstract description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 36
- 239000003814 drug Substances 0.000 abstract description 27
- 239000002245 particle Substances 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 21
- 238000010008 shearing Methods 0.000 abstract description 10
- 238000005188 flotation Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/16—Flotation machines with impellers; Subaeration machines
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention relates to a kind of vertical ore pulp surface property modifiers, it is characterised in that: including pedestal, cylinder, operating platform, power device, stirring chemicals dosing plant, absorbing impeller；The cylinder includes superposed ore pulp mixing drum, the broken mixing drum positioned at ore pulp mixing drum lower part；Stirring chemicals dosing plant includes line shaft, agitating shaft, Multi-stage stirring impeller, stator connector sleeve, chemical feed pipe, and stator is installed in the lower end of stator connector sleeve；Absorbing impeller is installed in stator, absorbing impeller connects line shaft, and the stirring blade of underlying final stage agitator arm is at certain angle of inclination with level, remaining agitator arm stirring blade is horizontal by being vertically arranged；Turbulence plate is equipped in the flowsheet of slurry agitation cylinder, turbulence plate is equipped with flowing hole；The upper surface of turbulence plate is equipped with deflection cone；Squirrel-cage crushing device is installed in the lower section of final stage agitator arm in flowsheet of slurry agitation cylinder.Invention enhances the longitudinal shears to ore pulp；It improves to the shearing of coal slime and spoil particle in ore pulp and crushing effect, improve medicament mixed effect.
Description
Technical field
The invention belongs to coal slime flotation equipment technical fields, more particularly to a kind of vertical ore pulp surface property modifier.
Background technique
The ore pulp pretreatment link capital equipment of coal slime floating process has ore pulp preprocessor, kaskad apparatus for pre-flotation pulp conditioning, strong at present
The relevant devices such as power blender and surface property modifier.The main operational principle of these equipment is all to provide ore pulp and medicament contacts machine
Meeting, the means used is mechanical stirrings, and when stirring intensity is big, medicament is sufficiently mixed with ore pulp, and power consumption is big, when stirring is strong
When spending low, medicament can not be sufficiently mixed with ore pulp, and pretreated purpose is not achieved.
Coal slime surfaction technology be exactly made using method physically or chemically -0.5mm grade coal particle surface physics,
Chemically or physically chemical property changes, to achieve the purpose that be conducive to sort or process, due to coal-forming or occurrence condition
The reason of, the surface hydrophobic of some coals is poor, and floatability is also poor, and also some coals are due to depositing coal condition, the surface of coal
Be oxidized rotten, surface hydrophobic caused to be deteriorated, floatability is also deteriorated therewith, coal preparation plant in the actual production process, if
The coal for encountering floatability difference will lead to can not form mineralized froth layer in flotation effect variation or even flotation device, last entire floating
Recovery system is selected to fail, a large amount of coal slime outlets.Environment is not only polluted in this way, but also causes huge warp since clean coal yield declines
Ji loss.Therefore, it is necessary to take measures, changes the surface nature of the coal of floatability difference, create favorable conditions for flotation recovery, one
As using surface property modifier change coal slime particle surface wettability, widen moistened surface between coal and spoil, troilite particle
Property difference, and then create advantageous condition for later period flotation.
The structure and the course of work of surface property modifier: surface property modifier generally Horizontal cylinder shape structure, cylindrical center's line
On be disposed with agitating shaft, have on axis several flexible structures, ore pulp and flotation collector from one end of cylinder enter, flexible paddle
Piece is placed, coal slime and spoil particle are by friction, shearing and stirring, surface physics under the drive of agitating shaft with certain speed
Chemical property changes, and hydrophobic organo-functional group sufficiently exposes, the enhancing of coal particle surface hydrophobic oleophilic oil property, and floatability is good therewith
Turn.Collecting agent is emulsified simultaneously, has not only been accelerated mineralization velocity but also has been reduced the dosage of collecting agent, by surfaction and collecting agent
Ore pulp after emulsification is discharged from the other end of cylinder, carries out flotation operation subsequently into flotation device.
That there are power consumptions is big for existing surface property modifier, and medicament can not be sufficiently mixed with ore pulp, and pretreatment is not achieved
Defect.
A kind of improve to the shearing of coal slime and spoil particle in ore pulp and crushing effect, raising medicament and mine is designed thus
Starch the vertical ore pulp surface property modifier of mixed effect.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide a kind of longitudinal shear enhanced to ore pulp；
It improves to the shearing of coal slime and spoil particle in ore pulp and crushing effect, the vertical ore pulp for improving medicament and ore pulp mixed effect
Surface property modifier.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that
A kind of vertical ore pulp surface property modifier, it is characterised in that: including pedestal, cylinder, operating platform, power device, stir
Mix chemicals dosing plant, absorbing impeller；
The cylinder includes superposed ore pulp mixing drum, the broken mixing drum positioned at ore pulp mixing drum lower part；Mine
The top edge for starching mixing drum is equipped with overflow cofferdam, and the lower surface in the overflow cofferdam is equipped with discharge nozzle；
The lower end of the broken mixing drum is fixedly mounted on pedestal, and the broken mixing drum bottom side of the wall is equipped with charging
Mouthful, material feeding box is sealed and installed in the feed inlet；Manhole is additionally provided on the side wall of the flowsheet of slurry agitation cylinder；
The operating platform is fixedly mounted on the top of ore pulp mixing drum, and the upper surface of the operating platform is equipped with dynamic
Power device, the power device connect stirring chemicals dosing plant, the center line and cylinder of the stirring chemicals dosing plant by driving member
The center line of body is overlapped；Ladder is installed between the operating platform and pedestal；
The stirring chemicals dosing plant includes being equipped with bearing block in the upper surface of operating platform, passes through support shaft in bearing block
Installation line shaft, the power axis connection agitating shaft are held, the agitating shaft extends to the lower part of flowsheet of slurry agitation cylinder；The agitating shaft
On Multi-stage stirring impeller is in axial direction installed；The fixed peace in the lower end of the bearing block in the lower end ore pulp mixing drum of bearing block
Equipped with stator connector sleeve, stator is installed in the lower end of stator connector sleeve；Absorbing impeller is installed in stator, the absorbing impeller connects
Line shaft is connect, the line shaft stretches out absorbing impeller and connects agitating shaft by shaft coupling；It is set between absorbing impeller and stator inner wall
There is ore pulp blending space, the chemical feed pipe being connected to stator connector sleeve interior wall, institute are installed on the top stator connector sleeve of stator
The top for stating chemical feed pipe extends to the upper surface of operating platform, is equipped with dosing tank on the upper surface chemical feed pipe of operating platform；
It is mounted on the stirring blade and level for being located at the final stage agitator arm of lower end in the Multi-stage stirring impeller on agitating shaft
It is at certain angle of inclination, remaining agitator arm stirring blade is horizontal by being vertically arranged；
Turbulence plate is equipped in the flowsheet of slurry agitation cylinder, the turbulence plate is equipped with flowing hole；The center of the turbulence plate is set
There is center flowing hole, is equipped with and the matched deflection cone of center flowing hole, the center of the water conservancy diversion standard in the upper surface of turbulence plate
Line is overlapped with the center line of absorbing impeller；The water conservancy diversion element of a cone is tilted towards absorbing impeller direction；And deflection cone is upper
Portion protrudes into stator, and there are gaps for the lower surface of the upper surface of deflection cone and absorbing impeller；
Squirrel-cage crushing device is installed in flowsheet of slurry agitation cylinder；
Above-mentioned material feeding box protrudes into squirrel-cage crushing device, and is located under the final stage agitator arm of agitating shaft lower end
Side.
The present invention can also use following technical measures:
Preferably, in the above solution, 10~30mm of overcurrent bore dia of turbulence plate；Accounting for boring ratio is 25%~50%.
Preferably, in the above solution, the squirrel-cage crushing device includes upper flange plate and lower flange plate, the lower flange plate
The bottom of broken mixing drum is fixedly mounted on by fastener, the upper flange plate is connected on broken mixing drum by connector
Portion；Along the circumferential direction be laid with multiple broken vertical plates between the upper flange plate and lower flange plate, the broken vertical plate it is outer
Side is equipped at intervals with multiple ore pulp flow-conveying grooves along short transverse；The inner wall of the ore pulp flow-conveying groove and flowsheet of slurry agitation cylinder forms ore pulp
Flow channels.
Preferably, in the above solution, the depth of ore pulp flow-conveying groove is 20~50mm；The height of ore pulp flow-conveying groove be 100~
150mm。
Preferably, in the above solution, there are gap, gap widths for the inner wall of the lateral surface of the broken vertical plate and flowsheet of slurry agitation cylinder
For 10~25mm.
Preferably, in the above solution, the stirring blade of the final stage agitator arm and level be at certain angle of inclination as 15~
45°。
The advantages and positive effects of the present invention are: due to the adoption of the above technical scheme, having the advantage that
1, the Multi-stage stirring impeller installed on agitating shaft of the invention, during the work time to the coal slime and spoil in ore pulp
Particle is sheared, is crushed；To further enhance ore pulp in the mobility of flowsheet of slurry agitation cylinder, the sedimentation of flowsheet of slurry agitation bottom, heap are avoided
Product；Existing final stage agitator arm is optimized, is specifically by the stirring blade and water of final stage agitator arm
Plane be in an inclination angle, make its final stage agitator arm that not only there is shearing crushing function, but also make bottom ore pulp by
On motive force, improve ore pulp rise speed, accelerate the mixing efficiency of ore pulp and medicament；Agitator arm on top stirs
Blade is horizontal by under vertical setting state；Enhance the longitudinal shear to ore pulp；It further improves to the coal in ore pulp
The shearing of mud and spoil particle and crushing effect.
2, since the volume of ore pulp mixing machine is larger, and absorbing impeller medicament blending space is relatively small, cause cannot and
When ore pulp and medicament are sufficiently mixed, the broken ore pulp in the case where ore pulp is continuing to supply, some ore pulp does not have
It is sufficiently mixed with medicament, flows to overflow cofferdam without well-mixed ore pulp, the mixing effect of ore pulp and medicament certainly will be reduced in this way
Fruit influences the flotation in later period；Due to being additionally arranged turbulence plate, make most ore pulp by turbulence plate in the case where guaranteeing inflow-rate of water turbine
It will be moved along the lower surface of deflector towards deflection cone direction after blocking, inhaled most of ore pulp under the action of deflection cone
Gas impeller is brought into be mixed in space by deflection cone and is sufficiently mixed with medicament, and the mixing of ore pulp and medicament is greatly improved
Effect.
3, squirrel-cage crushing device is installed in flowsheet of slurry agitation cylinder；In existing situation, ore pulp is stirred impeller stirring
After do swirling motion, in swirling motion ore pulp part coal slime and spoil particle rub with flowsheet of slurry agitation cylinder inner wall after do
Spiral movement does not have shearing, crushing function to coal slime and spoil particle since the inner wall of flowsheet of slurry agitation cylinder is more smooth,
And then the crushing effect of coal slime and spoil particle in ore pulp is reduced, still contain cleaned coal in the coal not being broken, mud particle, causes
Well-mixed purpose is not achieved in ore pulp and medicament, reduces the effect of later period flotation, causes the loss of cleaned coal；Due to being additionally arranged mouse
Cage type crushing device upsets the track of eddy flow, so that the ore pulp of eddy flow collides with squirrel-cage crushing device again, after collision
Coal, mud particle be repelled, collide again during rebound with positive eddy flow particle and agitator arm, and then increase
Crushing effect is sufficiently mixed with medicament for later period ore pulp and lays a good foundation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the content of present invention structural schematic diagram；
Fig. 3 is schematic diagram of the three-dimensional structure；
Fig. 4 is squirrel-cage crushing device structural schematic diagram；
Fig. 5 is squirrel-cage crushing device schematic perspective view；
Fig. 6 is turbulence plate and deflection cone attachment structure schematic diagram.
In figure: 1, pedestal；2, cylinder；2-1, ore pulp mixing drum；2-2, broken mixing drum；2-20, feed inlet；2-21, into
Hopper；2-22, manhole；2-3, overflow cofferdam；2-4, discharge nozzle；3, operating platform；4, power device；5, stirring dosing dress
It sets；5-1, bearing block；5-2, line shaft；5-3, agitating shaft；5-4, agitator arm；5-40, final stage agitator arm；5-5, stator connect
Female connector；5-6, stator；5-7, ore pulp blending space；5-8, chemical feed pipe；5-9, dosing tank；6, absorbing impeller；7, ladder；8, turbulent
Plate；8-1, flowing hole；9, deflection cone；10, squirrel-cage crushing device；10-1, upper flange plate；10-10, mounting groove；10-2, laxative remedy
Blue plate；10-20, locating slot；10-3, broken vertical plate；10-30, ore pulp flow-conveying groove；10-4, L-type attachment base.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
Please refer to Fig. 1 to 6, a kind of vertical ore pulp surface property modifier, including pedestal 1, cylinder 2, operating platform 3, power dress
Set 4, stirring chemicals dosing plant 5, absorbing impeller 6；
The cylinder 2 includes superposed ore pulp mixing drum 2-1, the broken mixing drum positioned at ore pulp mixing drum lower part
2-2；The top edge of ore pulp mixing drum is equipped with overflow cofferdam 2-3, and the lower surface in the overflow cofferdam is equipped with discharge nozzle 2-4；
The lower end of the broken mixing drum 2-2 is fixedly mounted on pedestal 1, and the broken mixing drum bottom side of the wall is equipped with
Feed inlet 2-20 is sealed and installed with material feeding box 2-21 in the feed inlet；Maintenance is additionally provided on the side wall of the flowsheet of slurry agitation cylinder
Hole 2-22；
The operating platform 3 is fixedly mounted on the top of ore pulp mixing drum 2-1, the upper surface installation of the operating platform
Dynamic device 4, the power device belong to well-known technique, mainly include motor, driving belt and speed reducer, the power
Device connects stirring chemicals dosing plant 5 by driving member, and the center line of the stirring chemicals dosing plant is overlapped with the center line of cylinder；
Ladder 7 is installed between the operating platform and pedestal；
The stirring chemicals dosing plant 5 includes being equipped with bearing block 5-1 in the upper surface of operating platform, passes through branch in bearing block
It supports bearing and line shaft 5-2, the line shaft 5-2 connection agitating shaft 5-3 is installed, the agitating shaft extends under flowsheet of slurry agitation cylinder
Portion；Multi-stage stirring impeller 5-4 is in axial direction installed on the agitating shaft；The axis in the lower end ore pulp mixing drum of bearing block
The lower end for holding seat is fixedly installed with stator connector sleeve 5-5, and stator 5-6 is installed in the lower end of stator connector sleeve；It is equipped in stator
Absorbing impeller 6, the absorbing impeller connect line shaft 5-2, and the line shaft stretches out absorbing impeller and connects stirring by shaft coupling
Axis；Between absorbing impeller and stator inner wall be equipped with ore pulp blending space 5-7, be equipped on the top stator connector sleeve of stator with
The chemical feed pipe 5-8 of stator connector sleeve interior wall connection, the top of the chemical feed pipe extend to the upper surface of operating platform, flat in operation
Dosing tank 5-9 is installed on the upper surface chemical feed pipe of platform；
Be mounted in the Multi-stage stirring impeller on agitating shaft positioned at lower end final stage agitator arm 5-40 stirring blade with
Level is at certain angle of inclination, remaining agitator arm stirring blade is horizontal by being vertically arranged；On agitating shaft of the invention
The Multi-stage stirring impeller of installation, during the work time in ore pulp coal slime and spoil particle sheared, be crushed；It is further
Enhance ore pulp in the mobility of flowsheet of slurry agitation cylinder, avoids the sedimentation of flowsheet of slurry agitation bottom, accumulation；Existing final stage agitator arm is carried out
Optimization design is specifically to stir its final stage horizontal by an inclination angle stirring blade of final stage agitator arm
Mixing impeller not only has shearing crushing function, but also makes bottom ore pulp by upward motive force, improves the speed that ore pulp rises
Degree, accelerates the mixing efficiency of ore pulp and medicament；Top agitator arm stirring blade horizontal by vertical setting state
Under；Enhance the longitudinal shear to ore pulp；Further improve the shearing and broken effect to coal slime and spoil particle in ore pulp
Fruit.
Turbulence plate 8 is equipped in the flowsheet of slurry agitation cylinder 2-2, the turbulence plate is equipped with flowing hole 8-1；The turbulence plate
Center is equipped with center flowing hole, is equipped with and the matched deflection cone 9 of center flowing hole, 9 He of deflection cone in the upper surface of turbulence plate
Turbulence plate can be connected using fastener, can also be using welding, and the side of above-mentioned deflection cone is not with holes, guarantee water conservancy diversion effect
Fruit；The center line of the water conservancy diversion standard is overlapped with the center line of absorbing impeller；The water conservancy diversion element of a cone is towards absorbing impeller direction
Inclination；And the top of deflection cone is protruded into stator 5-6, the lower surface of the upper surface of deflection cone 9 and absorbing impeller 6 there are
Gap will carry out in pulp conveying to ore pulp blending space with medicament abundant since the high-pressure rotary of absorbing impeller forms negative pressuren zone
Mixing；Since the volume of ore pulp mixing machine is larger, and absorbing impeller medicament blending space is relatively small, and causing cannot be timely right
Ore pulp and medicament are sufficiently mixed, the broken ore pulp in the case where ore pulp is continuing to supply, some ore pulp does not have and medicament
It is sufficiently mixed, flows to overflow cofferdam without well-mixed ore pulp, the mixed effect of ore pulp and medicament certainly will be reduced in this way, influence
The flotation in later period；Due to being additionally arranged turbulence plate, after stopping most ore pulp by turbulence plate in the case where guaranteeing inflow-rate of water turbine
It will be moved along the lower surface of deflector towards deflection cone direction, make most of ore pulp by absorbing impeller under the action of deflection cone
It brings into be mixed in space by deflection cone and be sufficiently mixed with medicament, greatly improve the mixed effect of ore pulp and medicament；
Squirrel-cage crushing device 10 is installed in flowsheet of slurry agitation cylinder；Above-mentioned material feeding box 2-21 protrudes into squirrel-cage crushing device
In 10, and it is located at the lower section of agitating shaft lower end final stage agitator arm 5-40.
In existing situation, ore pulp does swirling motion after being stirred impeller stirring, with the part in swirling motion ore pulp
Coal slime and spoil particle and flowsheet of slurry agitation cylinder inner wall are spinned ascending motion after rubbing, due to flowsheet of slurry agitation cylinder inner wall compared with
It is more smooth not have shearing, crushing function to coal slime and spoil particle, and then reduce the broken of coal slime and spoil particle in ore pulp
Effect still contains cleaned coal in the coal not being broken, mud particle, causes ore pulp and medicament that well-mixed purpose is not achieved, and drops
The effect of low later period flotation, causes the loss of cleaned coal；Due to being additionally arranged squirrel-cage crushing device, the track of eddy flow is upset, so that
The ore pulp of eddy flow collides with squirrel-cage crushing device again, and the coal, mud particle after collision are repelled, during rebound with
Positive eddy flow particle and agitator arm collides again, and then increases crushing effect, is that later period ore pulp and medicament are abundant
Mixing is laid a good foundation；
Preferably, in the above solution, 10~30mm of overcurrent bore dia of the turbulence plate；Accounting for boring ratio is 20%~50%, according to
Actual condition carries out selection overcurrent bore dia and accounts for boring ratio to play best inflow-rate of water turbine.
Preferably, in the above solution, the squirrel-cage crushing device 10 includes upper flange plate 10-1 and lower flange plate 10-2, institute
The bottom that lower flange plate 10-2 is fixedly mounted on broken mixing drum 2-2 by fastener is stated, the upper flange plate 10-1 passes through company
Fitting connects the broken top mixing drum 2-2；It is along the circumferential direction laid between the upper flange plate and lower flange plate multiple broken
The lateral surface of broken vertical plate 10-3, the broken vertical plate are equipped at intervals with multiple ore pulp flow-conveying groove 10-30 along short transverse；The ore pulp
The inner wall of flow-conveying groove and flowsheet of slurry agitation cylinder forms ore pulp flow channels.Preferred connection type is, the upper flange plate 10-1's
Excircle is along the circumferential direction equipped with mounting groove 10-10, and the interior welds of flowsheet of slurry agitation cylinder described in corresponding installation groove location have L-type company
Joint chair 10-4, the horizontal segment of the L-type attachment base are inserted into mounting groove, and the horizontal segment of the L-type attachment base is equipped with connection
Hole；The turbulence plate 8 is separately connected upper flange plate and L-type attachment base by fastener；Lower flange is additionally provided with for the ease of installation
Locating slot 10-20 is shaken in whipping process by the placement squirrel-cage crushing device 10 that is fixedly connected of turbulence plate in this way.
Preferably, in the above solution, the depth of ore pulp flow-conveying groove is 20~50mm；The height of ore pulp flow-conveying groove be 100~
150mm。
Preferably, in the above solution, there are gap, gap widths for the inner wall of the lateral surface of the broken vertical plate and flowsheet of slurry agitation cylinder
For 10~25mm.It reduces and forms dead angle between the lateral surface and flowsheet of slurry agitation cylinder of broken vertical plate, cause the accumulation of ore pulp, the later period is clear
It washes and makes troubles.
Preferably, in the above solution, the stirring blade of the final stage agitator arm and level be at certain angle of inclination as 15~
45°.According to the apolegamy of ore pulp actual conditions and power device, proper angle is selected, to guarantee optimal mixing effect.
In conclusion the present invention solves existing ore pulp surface property modifier medicament and ore pulp is sufficiently mixed unevenly, power disappears
Consumption is big, and when stirring intensity is low, the defect of pretreated purpose is not achieved.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (6)
1. a kind of vertical ore pulp surface property modifier, it is characterised in that: including pedestal, cylinder, operating platform, power device, stirring
Chemicals dosing plant, absorbing impeller；
The cylinder includes superposed ore pulp mixing drum, the broken mixing drum positioned at ore pulp mixing drum lower part；Ore pulp is mixed
The top edge for closing cylinder is equipped with overflow cofferdam, and the lower surface in the overflow cofferdam is equipped with discharge nozzle；
The lower end of the broken mixing drum is fixedly mounted on pedestal, and the broken mixing drum bottom side of the wall is equipped with feed inlet,
Material feeding box is sealed and installed in the feed inlet；Manhole is additionally provided on the side wall of the flowsheet of slurry agitation cylinder；
The operating platform is fixedly mounted on the top of ore pulp mixing drum, and dynamic dress is installed in the upper surface of the operating platform
It sets, the power device connects stirring chemicals dosing plant, the center line and cylinder of the stirring chemicals dosing plant by driving member
Center line is overlapped；Ladder is installed between the operating platform and pedestal；
The stirring chemicals dosing plant includes being equipped with bearing block in the upper surface of operating platform, is pacified in bearing block by spring bearing
Line shaft, the power axis connection agitating shaft are filled, the agitating shaft extends to the lower part of flowsheet of slurry agitation cylinder；Edge on the agitating shaft
Axial direction is equipped with Multi-stage stirring impeller；The lower end of the bearing block is fixedly installed in the lower end ore pulp mixing drum of bearing block
The lower end of stator connector sleeve, stator connector sleeve is installed by stator；Absorbing impeller is installed in stator, the absorbing impeller connection is dynamic
Power axis, the line shaft stretch out absorbing impeller and connect agitating shaft by shaft coupling；Mine is equipped between absorbing impeller and stator inner wall
Blending space is starched, the chemical feed pipe being connected to stator connector sleeve interior wall is installed on the top stator connector sleeve of stator, it is described to add
The top of pencil extends to the upper surface of operating platform, is equipped with dosing tank on the upper surface chemical feed pipe of operating platform；
The stirring blade for being located at the final stage agitator arm of lower end in the Multi-stage stirring impeller on agitating shaft and level are mounted in one
Constant inclination rake angle, remaining agitator arm stirring blade is horizontal by being vertically arranged；
Turbulence plate is equipped in the flowsheet of slurry agitation cylinder, the turbulence plate is equipped with flowing hole；During the center of the turbulence plate is equipped with
Heart flowing hole, the upper surface of turbulence plate be equipped with the matched deflection cone of center flowing hole, the center line of the water conservancy diversion standard with
The center line of absorbing impeller is overlapped；The water conservancy diversion element of a cone is tilted towards absorbing impeller direction；And the top of deflection cone is stretched
Enter in stator, there are gaps for the lower surface of the upper surface of deflection cone and absorbing impeller；
Squirrel-cage crushing device is installed in flowsheet of slurry agitation cylinder；
Above-mentioned material feeding box protrudes into squirrel-cage crushing device, and is located at the lower section of agitating shaft lower end final stage agitator arm.
2. vertical ore pulp surface property modifier according to claim 1, it is characterised in that: the overcurrent bore dia 10 of turbulence plate~
30mm；Accounting for boring ratio is 20%~50%.
3. vertical ore pulp surface property modifier according to claim 1, it is characterised in that: the squirrel-cage crushing device includes
Upper flange plate and lower flange plate, the lower flange plate are fixedly mounted on the bottom of broken mixing drum, the upper method by fastener
Blue plate connects broken mixing drum top by connector；It is along the circumferential direction laid between the upper flange plate and lower flange plate
The lateral surface of multiple broken vertical plates, the broken vertical plate is equipped at intervals with multiple ore pulp flow-conveying grooves along short transverse；The ore pulp mistake
The inner wall of chute and flowsheet of slurry agitation cylinder forms ore pulp flow channels.
4. vertical ore pulp surface property modifier according to claim 3, it is characterised in that: the depth of ore pulp flow-conveying groove be 20~
50mm；The height of ore pulp flow-conveying groove is 100~150mm.
5. vertical ore pulp surface property modifier according to claim 3, it is characterised in that: the lateral surface of the broken vertical plate with
For the inner wall of flowsheet of slurry agitation cylinder there are gap, gap width is 10~25mm.
6. vertical ore pulp surface property modifier according to claim 1, it is characterised in that: the stirring of the final stage agitator arm
It is 15~45 ° that blade and level, which are at certain angle of inclination,.
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| CN201811642702.4A CN109513529B (en) | 2018-12-29 | 2018-12-29 | Vertical ore pulp surface modifying machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811642702.4A CN109513529B (en) | 2018-12-29 | 2018-12-29 | Vertical ore pulp surface modifying machine |
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| CN109513529A true CN109513529A (en) | 2019-03-26 |
| CN109513529B CN109513529B (en) | 2023-12-15 |
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Cited By (1)
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|---|---|---|---|---|
| CN114713363A (en) * | 2021-10-19 | 2022-07-08 | 中国矿业大学 | Separation and recovery system and process for non-slime-formation fine-particle coal |
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| CN109513529B (en) | 2023-12-15 |
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