CN209536472U - Aluminium oxide feeding system - Google Patents
Aluminium oxide feeding system Download PDFInfo
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- CN209536472U CN209536472U CN201920187526.3U CN201920187526U CN209536472U CN 209536472 U CN209536472 U CN 209536472U CN 201920187526 U CN201920187526 U CN 201920187526U CN 209536472 U CN209536472 U CN 209536472U
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- supervisor
- air
- whirlwind baffle
- whirlwind
- baffle
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Abstract
The utility model relates to aluminum electrolysis technology fields.The aluminium oxide feeding system of the utility model includes air flume, and the lower section of air flume is equipped with air compartment, is equipped with air inlet below air compartment, boiling plate is equipped between air flume and air compartment.The top of air flume is equipped with the supervisor upwardly extended, is connected between supervisor and air flume by dust-exhausting port.The inner wall of supervisor is equipped at least one piece of whirlwind baffle.The fixing end of whirlwind baffle is fixed on the inner wall of supervisor, and to the free end of whirlwind baffle, whirlwind baffle is obliquely installed the fixing end for the windshield plate that spins relative to the extending direction of supervisor.The top of supervisor is connected with the branch pipe being arranged downward, and the lower end of branch pipe is connected with smoke exhaust pipe, is provided with negative-pressure air fan on smoke exhaust pipe.The utility model can guarantee that most alumina material dust drops back into air flume, and the dust of remaining ingredient then eventually enters into smoke exhaust pipe, to mitigate the pressure of smoke exhaust pipe, increase the conveying capacity of aluminium oxide feed system.
Description
Technical field
The utility model relates to aluminum electrolysis technology fields, and in particular to a kind of aluminium oxide feeding system.
Background technique
During electrolytic aluminium, the feeding system of conveying electrolytic aluminium raw alumina is very important technique production and sets
It is standby.The ultra-concentrated aluminium oxide transferring system for applying air flume conveying technology at present is fed system as one such aluminium oxide
System is widely used.But the aluminium oxide put into electrolytic cell includes the aluminium oxide of a variety of chemical structures, such as fresh oxygen
Change aluminium, fluorinated alumina, secondary fluorinated alumina etc..These aluminium oxide have adsorbed a large amount of glance coal after purification reaction
And fluorine element, change their physical features and chemical feature all, such as the specific gravity of material, mobility, granularity.
In the case where conveying operating condition becomes worse situation, air inlet and exhaust system to air flume have a higher requirement, especially with
The requirement of exhaust system is higher.Traditional exhaust system chases after will be using box (by the natural exhaust of cloth bag), box air draft resistance
Power is big, periodically cleaning need to replace cloth bag, and a large amount of alumina material can be also converted to dust discharge outside by box air draft,
The waste of material is caused, the feed efficiency of aluminium oxide is reduced.
Therefore, in view of the deficiencies of the prior art, it is necessary to design a kind of novel aluminium oxide feeding system, be supplied by improving
The exhaust system of material system, to improve the feed efficiency of aluminium oxide.
Summary of the invention
The purpose of this utility model is to provide a kind of novel aluminium oxide feeding systems, by the row for improving feeding system
Wind system, to improve the feed efficiency of aluminium oxide.
Aluminium oxide feeding system provided by the utility model includes air flume, and the lower section of air flume is equipped with air compartment, wind
The lower section of room is equipped with air inlet, and boiling plate is equipped between air flume and air compartment.The top of air flume is equipped with to upwardly extend and set
The supervisor set is connected between supervisor and air flume by setting dust-exhausting port.The inner wall of supervisor is equipped at least one piece of whirlwind baffle.
The fixing end of whirlwind baffle is fixed on the inner wall of supervisor, and the fixing end of the windshield plate that spins is to the free end of whirlwind baffle, whirlwind
Baffle is obliquely installed relative to the extending direction of supervisor.The top of supervisor is connected with the branch pipe being arranged downward, and the lower end of branch pipe connects
It is connected to smoke exhaust pipe, is provided with negative-pressure air fan on smoke exhaust pipe.
Preferably, the quantity of whirlwind baffle be two pieces or more, the fixing end of muti-piece whirlwind baffle on the inner wall of supervisor simultaneously
It is staggered.
Preferably, spin windshield plate fixing end to the free end of whirlwind baffle, relative to the extending direction of supervisor, muti-piece
The inclined direction of whirlwind baffle is identical.
Preferably, spin windshield plate fixing end to the free end of whirlwind baffle, relative to the extending direction of supervisor, muti-piece
Whirlwind baffle tilts downward.
Preferably, spin windshield plate fixing end to the free end of whirlwind baffle, relative to the extending direction of supervisor, muti-piece
Whirlwind baffle tilts upward.
Preferably, spin windshield plate fixing end to the free end of whirlwind baffle, relative to the extending direction of supervisor, one
Divide the inclination of whirlwind baffle upward, another part whirlwind baffle tilts downward.
Preferably, branch pipe is equipped with pressure-regulating valve door.
By above-mentioned scheme as it can be seen that compared with the existing technology, passing through dust discharge the utility model has the beneficial effects that: being responsible for
Mouth is connected on air flume, and whirlwind baffle is arranged according to the principle interval of cyclonic separation on supervisor, makes some bulky grains
Fall back in air flume under material, can largely be discharged into smoke exhaust pipe at dust to avoid mass transfer in this way.On branch pipe
Increase the size that control valve cooperation adjusts negative pressure, the dust that transmission process generates generates reciprocal path on supervisor, balances
The pressure that air inlet is generated by air flume boiling plate, cooperates certain negative pressure, is further ensured that most material (oxygen
Change aluminium) dust can fall back to air flume, and the dust of remaining ingredient then eventually enters into smoke exhaust pipe, to mitigate smoke exhaust pipe
Pressure increases the conveying capacity of aluminium oxide feed system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model aluminium oxide feeding system first embodiment.
Fig. 2 is the structural schematic diagram of the utility model aluminium oxide feeding system second embodiment.
Fig. 3 is the structural schematic diagram of the utility model aluminium oxide feeding system 3rd embodiment.
Specific embodiment
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.In order to which the present embodiment is better described,
The certain attachmentes of attached drawing have omission, zoom in or out；To those skilled in the art, in attached drawing certain known features and
It illustrates to omit will be understood by.
First embodiment
Referring to Fig. 1, the aluminium oxide feeding system of the present embodiment includes air flume 1, and the lower section of air flume 1 is equipped with air compartment
2, the lower section of air compartment 2 is equipped with air inlet 21, and air inlet 21 is connected to external wind regime, such as blower, air pressure system etc..Air flume
Boiling plate 3 is equipped between 1 and air compartment 2.External wind regime enters air compartment 2 by air inlet 21, then enters sky by boiling plate 3
In gas skewed slot 1, upward air-flow is formed in air flume 1.When the aluminium oxide 4 as electrolytic aluminium raw material enters air flume 1
Inside after, due to the blowing device on boiling plate 3 make air flume 1 inside have upward air-flow, air flume 1
The aluminium oxide 4 of internal solid state is in fluidized state, aluminium oxide 4 tilted down with fluidized state towards air flume 1 one
End flowing.Isolating device on boiling plate 3 can only be ventilative, and the aluminium oxide of bulky grain can not pass through, it can be ensured that alumina raw material
It will not enter in air compartment 2.
The top of air flume 1 is equipped with the supervisor 5 for upwardly extending setting, passes through setting row between supervisor 5 and air flume 1
Dirt mouth 51 connects.
The inner wall of supervisor 5 is equipped with the whirlwind baffle that muti-piece is in different height and is obliquely installed.The fixing end of whirlwind baffle
Be fixed at supervisor 5 inner wall on, the free end of whirlwind baffle then not with contacted elsewhere.Spin windshield plate is consolidated
To the free end of whirlwind baffle, muti-piece whirlwind baffle is tilted relative to the extending direction of supervisor to be arranged downward for fixed end.Such as Fig. 1 institute
The direction shown shows three pieces of whirlwind baffles in Fig. 1 altogether, is the whirlwind baffle 52a being located above respectively, is located in the middle whirlwind
Baffle 52b and underlying whirlwind baffle 52c.Certainly, in actual application, the particular number of whirlwind baffle is not limited to three
Block, according to different operating conditions, the quantity of whirlwind baffle can be more or less.As it can be seen that three pieces of whirlwind baffles point are not in
Same height.Such as whirlwind baffle 52c, the fixing end for the windshield plate 52c that spins is to the free end of whirlwind baffle 52c, whirlwind baffle
52c is arranged downward relative to the extending direction inclination of supervisor 5.Likewise, for whirlwind baffle 52a or whirlwind baffle 52b, from it
Fixing end is to its free end, and relative to the extending direction of supervisor 5, whirlwind baffle 52a and whirlwind baffle 52b are also that inclination court divides into
It sets.
The two opposite sides of inner wall of the two pieces of adjacent whirlwind baffles point in the supervisor 5.As seen from Figure 1, the rotation of top
Windshield plate 52a is located at the right side of 5 inner walls of supervisor, and positioned at centre and the whirlwind baffle 52b adjacent with whirlwind baffle 52a is then located at master
The left side of the inner wall of pipe 5, be located below and the whirlwind baffle 52c adjacent with whirlwind baffle 52b be then located at supervisor 5 inner wall the right side
Side.As can be seen that muti-piece whirlwind baffle is divided into two column and is oppositely disposed at supervisor's 5 when the quantity of whirlwind baffle is enough
Inner wall, and two column whirlwind baffle-plate misplacements are arranged.Certainly, since supervisor 5 is mainly used for dust discharge, whirlwind baffle will not be sealed
The inside of supervisor 5 is closed, forms dust discharge road junction between whirlwind baffle and the inner wall for being responsible for 5.For example, whirlwind baffle 52c and supervisor 5
Inner wall between formed dust discharge road junction 50c, whirlwind baffle 52b and be responsible for 5 inner wall between formed dust discharge road junction 50b, whirlwind gear
Dust discharge road junction 50a is formed between plate 52a and the inner wall for being responsible for 5.
The top of supervisor 5 is connected with the branch pipe 6 being arranged downward, in addition, being equipped with pressure-regulating valve door 61 on branch pipe 6.Branch
The lower end of pipe 6 is connected with smoke exhaust pipe 7, and negative-pressure air fan (not shown) is provided on smoke exhaust pipe 7.Negative-pressure air fan starting
When, the air pressure inside smoke exhaust pipe 7, branch pipe 6 and supervisor 5 can be changed.By controlling pressure-regulating valve door 62, branch can be adjusted in real time
Pipe 6 and the air pressure being responsible for inside 5.
When aluminium oxide 4 moves (direction in Fig. 1 from left to right) in air flume 1, having for air flume 1 is biggish
Air pressure.Negative-pressure air fan starts at this time, and the air pressure inside smoke exhaust pipe 7, branch pipe 6 and supervisor 5 is respectively less than the gas inside air flume 1
Pressure.Therefore, when fluidised aluminium oxide 4 is by dust-exhausting port 51, flue dust and partial oxidation aluminium 4 are inside air flume 1
Larger pressure under the action of, climb upwards with air enter supervisor 5 in, the alumina part risen at this time includes larger
Alumina particle.Winding has the air of flue dust and aluminium oxide to climb upwards, on portion of air is continued by dust discharge road junction 50c
It rises, the whirlwind baffle 52c rebound that another part air is then inclined by setting is returned.Since whirlwind baffle 52c is obliquely installed,
The air of rebound back is along inclined direction to fall, at this time since the air pressure of supervisor 5 is less than the air pressure inside air flume 1,
Under bounce and the collective effect of pressure, finally flowed along direction diagonally downward by the air of butterfly 52c rebound back
Continue to rise to the position of dust discharge road junction 50c, and by dust discharge road junction 50c.Similarly, the air risen by dust discharge road junction 50c,
Under the barrier effect of whirlwind baffle 52b, it is flow at the 50b of dust discharge road junction along room diagonally downward and continues to rise, and again with same
The principle of sample rises to the top of supervisor 5 by dust discharge road junction 50a.Flow path of the air with dust inside supervisor 5
Shown in route 8 as shown in figure 1.As it can be seen that the flow path of air changes into inclination after the air of vertical ascent encounters whirlwind baffle
Downwards, a rotating path is collectively formed in the path of straight ascending section and the path of part diagonally downward.Ascending air passes through
After muti-piece butterfly, ascending air forms the reciprocal rotating path in many places.According to the principle of cyclonic separation, in the work of centrifugal force
Under, the biggish alumina particle in dust risen with air can be fallen back in air flume 1, to avoid exhaust system
Dust is converted by aluminium oxide to be drained into smoke exhaust pipe 7.According to different operating conditions, can by control pressure control valve 61 come
The air pressure inside supervisor 5 and branch pipe 6 is adjusted, to adapt to different duty requirements.
In addition, each whirlwind baffle 52 is downwardly inclined setting since the inner wall 50 along supervisor 5 is toward the axis direction of supervisor 5,
After the alumina particle and air separation of 5 top of supervisor, alumina particle will not be deposited on whirlwind baffle, and alumina particle falls
After falling on whirlwind baffle, alumina particle simultaneously continues to glide, and finally falls back in air flume 1.
The present embodiment can be transformed into dust to avoid alumina material and largely be discharged into smoke exhaust pipe, to mitigate Smoke
The pressure of pipe increases the ability of conveying.
Second embodiment
Relative to first embodiment, the three pieces of whirlwind baffles that the difference is that only on supervisor 5 of second embodiment are set
Set mode difference.
Referring to fig. 2, spin windshield plate fixing end to the free end of whirlwind baffle, relative to the extending direction of supervisor 5, rotation
Windshield plate 52a, whirlwind baffle 52b and whirlwind baffle 52c are that inclination is arranged upward.
3rd embodiment
Relative to first or second embodiments, the difference of 3rd embodiment is equally only that the muti-piece rotation on supervisor 5
The set-up mode of windshield plate is different.
The fixing end of spin windshield plate is to the free end of whirlwind baffle, relative to the extending direction of supervisor 5, a part of whirlwind
Baffle inclination is arranged downward, and the inclination of another part whirlwind baffle is arranged downward.
Referring to Fig. 3, for whirlwind baffle 52a and whirlwind baffle 52c, from its fixing end to its free end, relative to supervisor 5
Extending direction, whirlwind baffle 52a and whirlwind baffle 52c are that inclination is arranged downward.For whirlwind baffle 52b, fixed from it
It holds to its free end, relative to the extending direction of supervisor 5, whirlwind baffle 52b inclination is arranged upward.
The above is only the preferred embodiment of the present invention, is not intended to limit the invention.It is all in the utility model
Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model
Within enclosing.
Claims (7)
1. aluminium oxide feeding system, including air flume, the lower section of the air flume is equipped with air compartment, sets below the air compartment
There is air inlet, boiling plate be equipped between the air flume and the air compartment, it is characterised in that:
The top of the air flume is equipped with the supervisor for upwardly extending setting, by setting between the supervisor and the air flume
Set dust-exhausting port connection；
The inner wall of the supervisor is equipped at least one piece of whirlwind baffle；The fixing end of the whirlwind baffle is fixed on the interior of the supervisor
On wall, from the fixing end of the whirlwind baffle to the free end of the whirlwind baffle, the whirlwind baffle is relative to the supervisor
Extending direction be obliquely installed；
The top of the supervisor is connected with the branch pipe being arranged downward, and the lower end of the branch pipe is connected with smoke exhaust pipe, the smoke evacuation
Negative-pressure air fan is provided on air hose.
2. aluminium oxide feeding system according to claim 1, it is characterised in that:
The quantity of the whirlwind baffle be two pieces or more, the fixing end of whirlwind baffle described in muti-piece on the inner wall of the supervisor simultaneously
It is staggered.
3. aluminium oxide feeding system according to claim 2, it is characterised in that:
It is more relative to the extending direction of the supervisor from the fixing end of the whirlwind baffle to the free end of the whirlwind baffle
The inclined direction of whirlwind baffle described in block is identical.
4. aluminium oxide feeding system according to claim 3, it is characterised in that:
It is more relative to the extending direction of the supervisor from the fixing end of the whirlwind baffle to the free end of the whirlwind baffle
The inclination of whirlwind baffle described in block is arranged downward.
5. aluminium oxide feeding system according to claim 3, it is characterised in that:
It is more relative to the extending direction of the supervisor from the fixing end of the whirlwind baffle to the free end of the whirlwind baffle
The inclination of whirlwind baffle described in block is arranged upward.
6. aluminium oxide feeding system according to claim 2, it is characterised in that:
From the fixing end of the whirlwind baffle to the free end of the whirlwind baffle, relative to the extending direction of the supervisor, one
The part whirlwind baffle inclination is arranged upward, and the inclination of whirlwind baffle described in another part is arranged downward.
7. aluminium oxide feeding system according to any one of claims 1 to 6, it is characterised in that:
The branch pipe is equipped with pressure-regulating valve door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187526.3U CN209536472U (en) | 2019-02-02 | 2019-02-02 | Aluminium oxide feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187526.3U CN209536472U (en) | 2019-02-02 | 2019-02-02 | Aluminium oxide feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209536472U true CN209536472U (en) | 2019-10-25 |
Family
ID=68273069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920187526.3U Active CN209536472U (en) | 2019-02-02 | 2019-02-02 | Aluminium oxide feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209536472U (en) |
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2019
- 2019-02-02 CN CN201920187526.3U patent/CN209536472U/en active Active
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