CN209393356U - Squirrel-cage crushing device on surface property modifier - Google Patents
Squirrel-cage crushing device on surface property modifier Download PDFInfo
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- CN209393356U CN209393356U CN201822269221.5U CN201822269221U CN209393356U CN 209393356 U CN209393356 U CN 209393356U CN 201822269221 U CN201822269221 U CN 201822269221U CN 209393356 U CN209393356 U CN 209393356U
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Abstract
The squirrel-cage crushing device that the utility model relates to a kind of on surface property modifier, squirrel-cage crushing device is mounted in flowsheet of slurry agitation cylinder, it is characterized by comprising upper flange plates and lower flange plate, the lower flange plate is fixedly mounted on the bottom of broken mixing drum by fastener, and the upper flange plate connects broken mixing drum top by connector；Multiple broken vertical plates are along the circumferential direction laid between the upper flange plate and lower flange plate, the lateral surface of the broken vertical plate 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.The utility model enhances the longitudinal shear 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 utility model belongs to coal slime flotation equipment technical field, more particularly to a kind of mouse on surface property modifier
Cage type crushing device.
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 utility model is to solve technical problem present in well-known technique and provide a kind of longitudinal direction enhanced to ore pulp
Shearing；It improves to the shearing of coal slime and spoil particle in ore pulp and crushing effect, the use for improving medicament and ore pulp mixed effect
In the squirrel-cage crushing device on surface property modifier.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique:
A kind of squirrel-cage crushing device on surface property modifier, squirrel-cage crushing device are mounted on flowsheet of slurry agitation cylinder
It is interior, it is characterised in that: including upper flange plate and lower flange plate, the lower flange plate is fixedly mounted on broken stirring by fastener
The bottom of cylinder, the upper flange plate connect broken mixing drum top by connector；Between the upper flange plate and lower flange plate
Multiple broken vertical plates are along the circumferential direction laid with, the lateral surface of the broken vertical plate is equipped at intervals with multiple ore pulps along short transverse
Flow-conveying groove；The inner wall of the ore pulp flow-conveying groove and flowsheet of slurry agitation cylinder forms ore pulp flow channels.
The utility model can also use following technical measures:
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 upper surface of the upper flange plate is equipped with turbulence plate, the turbulence plate is equipped with overcurrent
Hole；The center of the turbulence plate is equipped with center flowing hole, is equipped with and center flowing hole is matched leads in the upper surface of turbulence plate
The center line of flow cone, the water conservancy diversion standard is overlapped with the center line of flowsheet of slurry agitation cylinder.
10~30mm of overcurrent bore dia of the turbulence plate；Accounting for boring ratio is 25%~50%.
The utility model has the advantages and positive effects of: due to the adoption of the above technical scheme, having the advantage that
1, 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.
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.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model schematic perspective view；
Fig. 3 is turbulence plate and deflection cone attachment structure schematic diagram；
Fig. 4 is the utility model usage state diagram.
In figure: 1-1, upper flange plate；1-10, mounting groove；1-2, lower flange plate；1-20, locating slot；1-3, broken vertical plate；
1-30, ore pulp flow-conveying groove；1-4, L-type attachment base；2, turbulence plate；2-1, flowing hole；3, deflection cone；4, stator；5, absorbing impeller；
6, flowsheet of slurry agitation cylinder.
Specific embodiment
For the utility model content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and
It is described in detail with the accompanying drawings as follows:
Please refer to Fig. 1 to 4, a kind of squirrel-cage crushing device on surface property modifier, the installation of squirrel-cage crushing device
In flowsheet of slurry agitation cylinder 6；Pacify including upper flange plate 1-1 and lower flange plate 1-2, the lower flange plate 1-2 by the way that fastener is fixed
Mounted in the bottom of broken mixing drum 2-2, the upper flange plate 1-1 connects the broken top mixing drum 2-2 by connector；On described
Multiple broken vertical plate 1-3, the lateral surface edge of the broken vertical plate are along the circumferential direction laid between flanged plate and lower flange plate
Short transverse is equipped at intervals with multiple ore pulp flow-conveying groove 1-30；The inner wall of the ore pulp flow-conveying groove and flowsheet of slurry agitation cylinder forms ore pulp mistake
Circulation road.In existing situation, ore pulp does swirling motion after being stirred impeller stirring, with the part coal in swirling motion ore pulp
Mud 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 smooth not have shearing, crushing function to coal slime and spoil particle, and then reduce the broken effect of coal slime and spoil particle in ore pulp
Fruit 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 reduces
The effect of 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 rotation
The ore pulp of stream collides with squirrel-cage crushing device again, and the coal, mud particle after collision are repelled, during rebound and just
To eddy flow particle and agitator arm collide again, and then increase crushing effect, be that later period ore pulp and medicament are sufficiently mixed
Conjunction is laid a good foundation.
The upper surface of the upper flange plate is equipped with turbulence plate 2, and the turbulence plate is equipped with flowing hole 2-1；The turbulent flow
The center of plate is equipped with center flowing hole, is equipped with and the matched deflection cone 3 of center flowing hole, deflection cone in the upper surface of turbulence plate
3 can be connected with turbulence plate using fastener, can also be using welding, and the side of above-mentioned deflection cone is not with holes, guarantees water conservancy diversion
Effect；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 side
To inclination；And the top of deflection cone is protruded into stator 4, the lower surface of the upper surface of deflection cone 3 and absorbing impeller 5 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；
Preferred connection type is that the excircle of the upper flange plate 1-1 is along the circumferential direction equipped with mounting groove 1-10, corresponding
The interior welds of flowsheet of slurry agitation cylinder described in installation groove location have L-type attachment base 1-4, and the horizontal segment of the L-type attachment base is inserted into
In mounting groove, the horizontal segment of the L-type attachment base is equipped with connecting hole；The turbulence plate 2 is separately connected upper method by fastener
Blue plate and L-type attachment base；Lower flange is additionally provided with locating slot 1-20 for the ease of installation, is put in this way by being fixedly connected for turbulence plate
Squirrel-cage crushing device is set to shake in whipping process.
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, 10~30mm of overcurrent bore dia of the turbulence plate；Accounting for boring ratio is 25%~50%, according to
Actual condition carries out selection overcurrent bore dia and accounts for boring ratio to play best inflow-rate of water turbine.
In conclusion the utility model solves existing ore pulp surface property modifier medicament and ore pulp is sufficiently mixed unevenly, function
Rate consumption is big, and when stirring intensity is low, the defect of pretreated purpose is not achieved.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is all according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (5)
1. a kind of squirrel-cage crushing device on surface property modifier, squirrel-cage crushing device are mounted in flowsheet of slurry agitation cylinder,
It is characterized by comprising upper flange plate and lower flange plate, the lower flange plate is fixedly mounted on broken mixing drum by fastener
Bottom, the upper flange plate passes through connector and connects broken mixing drum top；Edge between the upper flange plate and lower flange plate
Circumferencial direction is laid with multiple broken vertical plates, and the lateral surface of the broken vertical plate is equipped at intervals with multiple ore pulp mistakes along short transverse
Chute；The inner wall of the ore pulp flow-conveying groove and flowsheet of slurry agitation cylinder forms ore pulp flow channels.
2. the squirrel-cage crushing device according to claim 1 on surface property modifier, it is characterised in that: ore pulp overcurrent
The depth of slot is 20~50mm；The height of ore pulp flow-conveying groove is 100~150mm.
3. the squirrel-cage crushing device according to claim 1 on surface property modifier, it is characterised in that: described broken
There are gap, gap width is 10~25mm for the lateral surface of vertical plate and the inner wall of flowsheet of slurry agitation cylinder.
4. the squirrel-cage crushing device according to claim 1 on surface property modifier, it is characterised in that: the upper method
The upper surface of blue plate is equipped with turbulence plate, and the turbulence plate is equipped with flowing hole；The center of the turbulence plate is equipped with center overcurrent
Hole is equipped in the upper surface of turbulence plate and stirs with the matched deflection cone of center flowing hole, the center line of the water conservancy diversion standard with ore pulp
The center line for mixing cylinder is overlapped.
5. the squirrel-cage crushing device according to claim 4 on surface property modifier, it is characterised in that: the turbulent flow
10~30mm of overcurrent bore dia of plate；Accounting for boring ratio is 25%~50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822269221.5U CN209393356U (en) | 2018-12-29 | 2018-12-29 | Squirrel-cage crushing device on surface property modifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822269221.5U CN209393356U (en) | 2018-12-29 | 2018-12-29 | Squirrel-cage crushing device on surface property modifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209393356U true CN209393356U (en) | 2019-09-17 |
Family
ID=67897368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822269221.5U Active CN209393356U (en) | 2018-12-29 | 2018-12-29 | Squirrel-cage crushing device on surface property modifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209393356U (en) |
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2018
- 2018-12-29 CN CN201822269221.5U patent/CN209393356U/en active Active
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