CN205731644U - Coal flotation unit - Google Patents
Coal flotation unit Download PDFInfo
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- CN205731644U CN205731644U CN201620536937.5U CN201620536937U CN205731644U CN 205731644 U CN205731644 U CN 205731644U CN 201620536937 U CN201620536937 U CN 201620536937U CN 205731644 U CN205731644 U CN 205731644U
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- coal
- flotation
- scraper plate
- flotation cell
- cell
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Abstract
This utility model relates to a kind of coal flotation unit.This coal flotation unit includes accommodating flotation agent and the flotation cell of feed particles, the coal scraper plate being parallel to the end face of flotation cell and install, coal scraper plate can attach the end face of flotation cell and move along the first direction of flotation cell, and the length of coal scraper plate covers the second direction of flotation cell, first direction is vertical with second direction, and can be to the jet agitator of all directions motion in flotation cell, its diapire being configured to towards flotation cell sprays gas.Efficiently intragranular for coal shale in brick making coal and gangue can be separated according to coal flotation unit of the present utility model, thus improve coal recovery ratio.
Description
Technical field
This utility model relates to mineral manufacture field, particularly to a kind of coal flotation unit.
Background technology
Mining and during the following process (such as, coal washing) of raw coal, a lot of gangue can obtained.Generally people can be by
Low and be regarded as solid waste in its fuel value, give it up.
Gangue is the rock that a kind of carbon content formed in coalification course is low, and it is to inlay commensalism with coal,
This causes inevitably containing in gangue some coals.Generally, driving gangue accounts for about the 10% of raw coal output, washes
Coal, the gangue of coal separation account for the 12%-18% of feed coal amount.Such substantial amounts of gangue necessarily contains larger amount of coal
Charcoal, therefore reclaims the coal in gangue and has great importance for improving coal recovery ratio.
Utility model content
For the problems referred to above, the utility model proposes a kind of coal flotation unit.Float according to coal of the present utility model
Intragranular for coal shale in brick making coal and gangue can be separated by screening device efficiently, thus improve coal recovery ratio.
Include according to coal flotation unit of the present utility model: accommodate flotation agent and the flotation cell of feed particles, be parallel to
The end face of flotation cell and the coal scraper plate installed, coal scraper plate can attach the end face of flotation cell and transport along the first direction of flotation cell
Moving, and the length of coal scraper plate covers the second direction of flotation cell, first direction is vertical with second direction, and can be floating
The indoor jet agitator to all directions motion of choosing, its diapire being configured to towards flotation cell sprays gas.
According to coal flotation unit of the present utility model, compressed gas is ejected in flotation cell at a high speed through jet agitator,
Thus the flotation agent in flotation cell is stirred into boiling-like with feed particles.So, density can be attached at flotation agent less
Coal particles surface on so that coal floats to the surface of flotation cell, and then collected by coal scraper plate and be in flotation cell
At the export of coal at top, and the gangue that the flotation agent of the bigger coal gangue particle of density and part is bottom flotation cell goes out
Mouth leaves flotation cell.Hereby it is achieved that separate coal and gangue.Should be specifically noted that, jet agitator is towards flotation
Moving to any direction in flotation cell while the diapire ejection gas of room, this makes the flotation of each position of flotation cell
Agent all can be stirred, and zone of silence occurs in preventing flotation cell, this yield being very beneficial for improving coal.
In one embodiment, the top of the sidewall of flotation cell is provided with the track extended in a first direction, coal
Flotation unit includes the support of energy orbital motion, and coal scraper plate is moved by rack bearing.According to this structure, coal scraper plate
Stably the other end can be moved to from one end of flotation cell, to realize collecting coal particles under the guiding of track.Coal scraper plate
Motion will not be affected by the flotation agent of acutely boiling, thus improve coal scraper plate and collect the efficiency of coal.
In one embodiment, being provided with lift drive mechanism on support, coal scraper plate is driven by lift drive mechanism
And move up and down.In a specific embodiment, lift drive mechanism includes motor and the elevating lever being connected with motor shaft, coal
Charcoal scraper plate is connected with elevating lever.By this structure, when coal scraper plate moves from the tip forward of its stroke, elevating lever is by coal
Charcoal scraper plate rises to the top on the surface of flotation agent, swims in the coal on flotation agent surface avoiding coal scraper plate to push open.And
When coal scraper plate is from the initiating terminal rearward movement of its stroke, coal scraper plate is dropped to the surface of flotation agent (i.e., by elevating lever
Attach the top board of flotation cell), to collect coal.The motion that so can prevent coal scraper plate brings adversely shadow to collecting coal
Ring, improve the efficiency collecting coal.
In one embodiment, the inner surface of coal scraper plate is provided with the bridging tooth row extended towards flotation cell.Hang
Coal particles can be drawn in by material tooth row, and unnecessary flotation agent then gap between bridging tooth flows away.Excellent at one
In the embodiment of choosing, coal scraper plate is provided with multiple rows of bridging tooth row, and the bridging tooth of adjacent bridging tooth row offsets one from another.
So, the bridging tooth row of front and rear row cooperates and is possible to prevent to miss little coal particles, improves the yield of coal.
In one embodiment, coal scraper plate is the arc towards export of coal bending.The coal scraper plate of arc can be prevented
Only its drawn in coal particles is again broken up other positions of flotation cell by fierceness boiling flotation agent, which thereby enhances coal and floats
The work efficiency of screening device.
In one embodiment, the quantity of coal scraper plate is two, and respectively along two relative sidewall fortune of flotation cell
Dynamic, two coal scraper plates are the most overlapping.
In one embodiment, jet agitator includes rigidity ring pipe main body and the rigidity connected with ring pipe main body
Air inlet pipe, ring pipe main body is provided with the puff prot of multiple diapire jet towards flotation cell, air inlet pipe is by universal
Joint is driven by motor.Jet agitator can be moved to any position of flotation cell by operator by motor and universal joint, special
Be not move to flotation cell in be prone to pile up feed particles position, this makes it possible to the almost all of granule in flotation cell
Agitation is got up, to reach best coal flotation effect.
In a preferred embodiment, air inlet pipe includes the air inlet supervisor of rigidity and is connected to air inlet supervisor and ring pipe
Multiple air intake branches between main body, multiple air intake branches are distributed centered by air inlet is responsible for radially.According to this layout,
Multiple air intake branches of radial distribution can deliver gas in ring pipe main body equably so that each puff prot is with phase
Same pressure and flow ejection gas.Additionally, air inlet supervisor and ring pipe main body are also played fixing and prop up by these air intake branches
Support effect, destroys jet agitator with the flotation agent and feed particles preventing fierce boiling.
In a specific embodiment, coal flotation unit also includes going out with the gangue on the diapire being arranged on flotation cell
Mouthful flotation agent separation assembly being connected, granule pump that flotation agent separation assembly includes being sequentially connected, Sedimentation tank, centrifugal separator and
Pipeline pump, wherein the entrance of granule pump is connected with gangue outlet, and pipeline delivery side of pump is connected with flotation cell.Flotation agent discrete group
The flotation agent leaving flotation cell through gangue outlet can be again separate out and be re-delivered in flotation cell by part, and this is the most permissible
Reuse flotation agent, reduce production cost.
Compared with prior art, advantage of the present utility model essentially consists in: (1) jet agitator can be to appointing in flotation cell
, there is zone of silence in preventing flotation cell in the motion of meaning direction, this yield being very beneficial for improving coal.(2) coal of special tectonic
Coal particles can be collected by charcoal scraper plate efficiently.
Accompanying drawing explanation
Hereinafter based on embodiment reference accompanying drawing, this utility model will be described in more detail.Wherein:
Fig. 1 show schematically show the structure according to coal flotation unit of the present utility model；
Fig. 2 show schematically show the jet agitator of first embodiment with side view；
Fig. 3 show schematically show the jet agitator of first embodiment with top view；
Fig. 4 show schematically show the arrangement of coal scraper plate；
Fig. 5 is the zoomed-in view of the I part of coal scraper plate in Fig. 4；
Fig. 6 is the A direction view of Fig. 5；
Fig. 7 show schematically show the jet agitator of the second embodiment with side view；
Fig. 8 show schematically show the jet agitator of the second embodiment with top view；And
Fig. 9 shows the set-up mode of coal scraper plate with the side view amplified.
In the accompanying drawings, identical parts use identical reference.Accompanying drawing is not according to actual ratio.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 show schematically show the structure according to coal flotation unit 100 of the present utility model.As it is shown in figure 1, coal
Flotation unit 100 includes flotation cell 3, be movably arranged as flotation cell 3 the coal scraper plate 9 on top and can be in flotation cell 3
Jet agitator 4 to all directions motion.In one embodiment, flotation cell 3 generally cuboid, naturally it is also possible to for
Any other suitable shape.The front bulkhead 31 of flotation cell 3 is provided with charging aperture 2 to receive feed particles；At flotation cell 3
Aft bulkhead 32 on export of coal 10；Diapire 33 at flotation cell 3 is provided with gangue outlet 34.Coal scraper plate 9 can attach
The end face of flotation cell 3 and move.
When using coal flotation unit 100, in flotation cell 3, it is filled with flotation agent, then starts jet agitator 4 to incite somebody to action
Flotation agent stirs into boiling-like.It follows that be filled with feed particles in flotation cell 3 by charging aperture 2, these feed particles can be with
The flotation agent of fierce boiling and tumbling motion up and down.Under the effect of flotation agent, the coal particles in feed particles can be floating
Export of coal 10 is collected on the surface of flotation agent and by coal scraper plate 9, and coal gangue particle and part flotation agent warp
Flotation cell 3 is left in gangue outlet 34.Hereby it is achieved that coal particles and the separation of coal gangue particle.
Fig. 2 and 3 show schematically show the structure of the jet agitator 4 of first embodiment.As indicated, jet agitator 4
Including ring pipe main body 41.Ring pipe main body 41 is provided with gas access 42 and multiple diapire 33 towards flotation cell 3
Puff prot 12.It practice, ring pipe main body 41 can also be other any suitable structures, such as vesica piscis, Q-RING etc.,
Here repeat no more.In one embodiment, it is provided with 6 puff prots, and these puff prots are along ring pipe main body 41
Circumference is uniformly distributed.Preferably, it is also possible on puff prot 12, filter screen is set, stir preventing feed particles from accidentally entering jet
Mix the inside of device 4.
Gas access 42 is connected with the air inlet pipe 43 of rigidity, and air inlet pipe 43 is connected with compressed gas source 46 and by universal
Joint 44 is driven by motor 45, and jet agitator 4 so can be made to move towards all directions in flotation cell 3.So can be by floating
The flotation agent selecting each position of room 3 all stirs, this yield being very beneficial for improving coal.Additionally, the entering of rigidity
The flotation agent that trachea 43 also can avoid jet agitator 4 to be seethed with excitement by fierceness is turned over.
Fig. 7 and 8 show schematically show the structure of the jet agitator 4 ' of the second embodiment.The structure of jet agitator 4 '
It is substantially the same with jet agitator 4, the difference is that only air inlet pipe.For the sake of being in simply, Fig. 7 only show difference.
The air inlet pipe of jet agitator 4 ' include rigidity air inlet supervisor 431 and be connected to air inlet supervisor 431 and ring pipe main body 41 it
Between multiple air intake branches 432.These air intake branches 432 are distributed centered by air inlet supervisor 431 radially.Come from entirety
Seeing, air inlet supervisor 431 and air intake branch 432 form the form of substantially umbrella frame.The air intake branch 432 of radial setting not only can make
The gas obtained in ring pipe main body 41 can all be distributed, but also play fixing to air inlet supervisor and 431 ring pipe main bodys 41 and prop up
Support effect.
Fig. 4 show schematically show the arrangement of coal scraper plate 9.For the ease of describing, with the X-axis in Fig. 4 for first
Direction, Y-axis is second direction.It practice, for rectangular floation tank 3, the length of first direction generally floation tank 3
Direction (that is, the direction of sidewall 35,36), the width of second direction generally floation tank 3.
In the embodiment shown in fig. 4, coal flotation unit 100 includes two coal scraper plates 9, and it the most relatively sets
Put on two relative sidewall upper side walls 35,36 of floation tank 3, and can move along sidewall 35,36 respectively.Two coals
Scraper plate 9 is the most overlapping.Coal scraper plate 9, aft bulkhead 32 and two sidewalls 35,36 just define one
Individual closed area 37.Being in the coal particles in this closed area 37 to be dispelled by flotation agent and hold, this is favorably improved
The work efficiency of coal flotation unit 100.In a unshowned embodiment, it is provided only with a coal scraper plate, this coal
Distance D between the length of scraper plate with two sidewalls 35,36 is equal.
Fig. 9 show schematically show the mounting means of a coal scraper plate 9.As it is shown in figure 9, be configured with edge on sidewall 35
The track 17 of first direction.The support 91 of carrying coal scraper plate 9 has wheel 16.In wheel 16 is arranged on track 17 and can be along rail
Road 17 moves, and such support 91 and coal scraper plate 9 just can move along a first direction.Support 91 is provided with motor 14 He
The elevating lever 15 being connected with motor 14, coal scraper plate 9 is connected with elevating lever 15.When coal scraper plate 9 moves towards charging aperture 2 direction
Time, motor 14 makes elevating lever 15 be in a high position, so that coal scraper plate 9 is increased to outside flotation agent liquid level, to avoid coal scraper plate 9
Contact with the coal floating on liquid level.When coal scraper plate 9 moves towards export of coal 10 direction, motor 14 makes elevating lever 15 be in
Low level, so that coal scraper plate 9 can collect the coal contact swimming on liquid level.When coal scraper plate 9 is the most reciprocal
During motion, also can move up and down simultaneously, thus achieve the continuous collection of coal.It should be understood that motor 14 can also here
Replaced by other power sources, such as hydraulic means.Hydraulic means is well-known to those having ordinary skill in the art, the most superfluous
State.
Preferably, as it can be seen in figures 5 and 6, be provided with the bridging extended towards flotation cell 3 on the inner surface of coal scraper plate 9
Tooth row 13.It is highly preferred that be provided with multiple rows of bridging tooth row on coal scraper plate 9, and the bridging tooth of adjacent bridging tooth row 13 that
This staggers, as shown in Figure 6.So, the bridging tooth row of front and rear row cooperates and is possible to prevent to miss little coal particles, improves coal
The yield of charcoal.
Coal scraper plate 9 is also configured to the arc towards export of coal 10 bending.So, during coal scraper plate 9 draws in, two
Collected coal particles is gathered together just as the arm of two bendings by individual coal scraper plate 9 tightly, prevents from being swashed
The flotation agent of strong motion washes away, and which further improves the work efficiency of coal flotation unit 100.
Returning to Fig. 1, coal flotation unit 100 also includes flotation agent separation assembly.Flotation agent separation assembly includes granule
Pump 5, Sedimentation tank 6, centrifugal separator 7 and pipeline pump 8.These devices are sequentially connected by pipeline, and the entrance of granule pump 5 with
Gangue outlet 34 connection, the outlet of pipeline pump 8 connects with flotation cell 3.Granule pump 5, centrifugal separator 7 and pipeline pump 8 are all
Equipment common in this area, repeats no more here.The flotation agent of coal gangue particle and part exports 34 by granule through gangue
Pump 5 is pumped in Sedimentation tank 6 coal gangue particle carries out deposition separation.Flotation agent leaves Sedimentation tank 6, and quilt in an overflow manner
Deliver to centrifugal separator 7 and sentence its tiny coal gangue particle carried of removing further.Can from the exit of centrifugal separator 7
Obtain flotation agent clear liquid.Flotation agent clear liquid is back in flotation cell 3 re-use by pipeline pump 8.
Although this utility model being described by reference to preferred embodiment, but without departing from model of the present utility model
In the case of enclosing, it can be carried out various improvement and parts therein can be replaced with equivalent.Especially, as long as not depositing
The every technical characteristic being previously mentioned in structural hazard, each embodiment all can combine in any way.This utility model
It is not limited to specific embodiment disclosed herein, but includes all technical schemes fallen within the scope of the appended claims.
Claims (10)
1. a coal flotation unit, it is characterised in that including:
Accommodate flotation agent and the flotation cell of feed particles,
The coal scraper plate being parallel to the end face of described flotation cell and install, described coal scraper plate can attach the end face of described flotation cell
And move along the first direction of described flotation cell, and the length of described coal scraper plate covers the second party of described flotation cell
To, described first direction is vertical with second direction, and
Can be to the jet agitator of all directions motion in described flotation cell, its diapire being configured to towards described flotation cell sprays
Go out gas.
Coal flotation unit the most according to claim 1, it is characterised in that set on the top of the sidewall of described flotation cell
Being equipped with the track extended along described first direction, described coal flotation unit includes the support that can move along described track, described
Coal scraper plate is moved by described rack bearing.
Coal flotation unit the most according to claim 2, it is characterised in that be provided with elevator drive machine on the bracket
Structure, described coal scraper plate is driven by described lift drive mechanism and moves up and down.
Coal flotation unit the most according to claim 3, it is characterised in that described lift drive mechanism include motor and with
The elevating lever that motor shaft is connected, described coal scraper plate is connected with described elevating lever.
Coal flotation unit the most according to claim 3, it is characterised in that arrange on the inner surface of described coal scraper plate
There is the bridging tooth row extended towards described flotation cell.
Coal flotation unit the most according to claim 5, it is characterised in that the quantity of described coal scraper plate is two, and
And two relative sidewalls along described flotation cell move respectively, said two coal scraper plate partly weighs
Folded.
Coal flotation unit the most according to claim 5, it is characterised in that said two coal scraper plate be all configured to towards
The export of coal of described flotation cell and the arc that bends.
8. the coal flotation unit stated according to claim 1, it is characterised in that described jet agitator includes the ring pipe of rigidity
Main body and the air inlet pipe of rigidity connected with described ring pipe main body, be provided with multiple towards described in described ring pipe main body
The puff prot of the diapire jet of flotation cell, described air inlet pipe is driven by motor by universal joint.
Coal flotation unit the most according to claim 8, it is characterised in that described air inlet pipe includes the air inlet supervisor of rigidity
And the multiple air intake branches being connected between described air inlet supervisor and ring pipe main body, the plurality of air intake branch is with described air inlet
It is distributed radially centered by supervisor.
Coal flotation unit the most according to claim 1, it is characterised in that also include and be arranged on described flotation cell
The flotation agent separation assembly that gangue outlet on diapire is connected, described flotation agent separation assembly includes the granule being sequentially connected
Pump, Sedimentation tank, centrifugal separator and pipeline pump, the entrance of wherein said granule pump is connected with the outlet of described gangue, described pipe
Road delivery side of pump is connected with described flotation cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620536937.5U CN205731644U (en) | 2016-06-03 | 2016-06-03 | Coal flotation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620536937.5U CN205731644U (en) | 2016-06-03 | 2016-06-03 | Coal flotation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205731644U true CN205731644U (en) | 2016-11-30 |
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ID=57360314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620536937.5U Active CN205731644U (en) | 2016-06-03 | 2016-06-03 | Coal flotation unit |
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| CN (1) | CN205731644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108212551A (en) * | 2017-12-29 | 2018-06-29 | 重庆炜霖商贸有限公司 | A kind of flotation unit for coal washing |
-
2016
- 2016-06-03 CN CN201620536937.5U patent/CN205731644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108212551A (en) * | 2017-12-29 | 2018-06-29 | 重庆炜霖商贸有限公司 | A kind of flotation unit for coal washing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20211213 Granted publication date: 20161130 |
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| PP01 | Preservation of patent right |