CN105506675B - Aluminum oxide continuous blanking device - Google Patents
Aluminum oxide continuous blanking device Download PDFInfo
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- CN105506675B CN105506675B CN201610058275.XA CN201610058275A CN105506675B CN 105506675 B CN105506675 B CN 105506675B CN 201610058275 A CN201610058275 A CN 201610058275A CN 105506675 B CN105506675 B CN 105506675B
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- blanking
- aluminum oxide
- tremie pipe
- blanking channel
- rake
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/14—Devices for feeding or crust breaking
Abstract
The present invention provides a kind of aluminum oxide continuous blanking device.The aluminum oxide continuous blanking device includes alumina reservoir, be connected with the alumina reservoir bottom and blanking channel that there is receiving space, be contained in the receiving space and with constant volume device, tremie pipe and the crust breaker relative with the tremie pipe and the blanking channel interval that the alumina reservoir bottom connects, the tremie pipe includes the charging aperture being located at the top of it and the discharging opening located at its bottom, the charging aperture connect with the blanking channel bottom.Compared with correlation technique, aluminum oxide continuous blanking device provided by the invention, it is continuous blanking to change compartment blanking, aluminum oxide is slowly entered after the blanking channel in the tremie pipe, blanking is steady, temperature and the alumina concentration fluctuation of electrolytic cell are reduced, and then improves current efficiency, reduces energy consumption.
Description
Technical field
The present invention relates to technical field of aluminum electrolysis, more particularly to a kind of aluminum oxide continuous blanking device.
Background technology
With the increase of modern aluminum tank capacity, and Aluminum circle is pursues the low pole span work that aluminum electrolysis bath energy-saving is carried out
Skill, along with part aluminium manufacturer for resist groove in aluminium liquid fluctuation take weaken groove in melt flows design so that it is existing
The aluminum oxide that adds in electrolyte of the quasi-continuous baiting method based on point feeding be increasingly difficult to after blanking with groove
Transport and scattered.
Referring to Fig. 1, the structural representation of the alumina blanking device for prior art, aluminum oxide point type blanking device is adopted
Compartment blanking is carried out with timing constant-volume blanking device.The aluminum oxide point type blanking device includes alumina reservoir 1, positioned at aluminum oxide
The blanking channel 4 of the lower section of hopper 1, the blanking cylinder 2 being fixed in alumina reservoir 1, with blanking cylinder 2 it is connected and is contained in down
Expect the constant volume device 3 in passage 4, the blanking channel 4 includes skew wall 41.During concrete operations, the blanking cylinder 2 is manipulated by the oxygen
The alumina raw material changed in aluminium hopper 1 is put into the constant volume device 3, then opens the constant volume device 3, alumina raw material free-falling
In on the skew wall 41 of the blanking channel 4, finally the crust breaking dress positioned at the side of skew wall 41 is fallen into along the skew wall 41
Put in the 5 hole (not shown) impacted out, alumina raw material is used for cell reaction into aluminium cell.
Because the cutting mode of the aluminum oxide point type blanking device is compartment blanking, alumina concentration fluctuation is obvious, under
Concentration is low before material, and concentration is high after blanking, and the fluctuation of groove thermal balance is big, influences the stability and current efficiency of aluminium cell；Under point type
The a large amount of aluminum oxide of material mode single tripping in, and make it that the course of dissolution of aluminum oxide is more difficult using low overheat technique at present,
Undissolved aluminum oxide sinks to aluminium liquid, so causes to accumulate a large amount of precipitation of alumina in aluminium liquid layer below feed opening, precipitate with
The flowing covering furnace bottom of aluminium liquid, causes hearth and bottom to raise, and energy consumption increase, severe patient can cause burner hearth lopsided, the aluminium cell longevity
Life shortens；The larger amount of aluminum oxide of other single tripping in, easily collides crust breaker, causes partial oxidation after accelerating on skew wall
Aluminium is scattered to the groove lid of aluminium cell, and actually enters groove material and reduce easily initiation anode effect, destroys the thermal balance of aluminium cell,
Increase energy consumption.Thus, larger, the aluminium of aluminium cell thermal balance fluctuation after blanking be present in the aluminum oxide point type blanking device of correlation technique
Electrolytic cell less stable, current efficiency is relatively low, the higher deficiency of energy consumption.
Therefore, it is necessary to provide a kind of new aluminum oxide continuous blanking device in fact to overcome above-mentioned technical problem.
The content of the invention
In order to solve the above technical problems, aluminium cell thermal balance fluctuates smaller, aluminium electroloysis after the present invention provides a kind of blanking
Groove stability is preferable, the aluminum oxide continuous blanking device that current efficiency is higher, energy consumption is relatively low.
Aluminum oxide continuous blanking device provided by the invention, including alumina reservoir, with alumina reservoir bottom phase
Blanking channel connect and with receiving space, it is contained in the receiving space and determines with what the alumina reservoir bottom connected
Container, tremie pipe and the crust breaker relative with the tremie pipe and the blanking channel interval, the tremie pipe include being located at
Charging aperture at the top of it and the discharging opening located at its bottom, the charging aperture connect with the blanking channel bottom.
Preferably, the tremie pipe also includes discharging portion, and the discharging portion is located at the blanking bottom of the tube, and relatively described
Crust breaker is obliquely installed, and the discharging opening is located at the discharging portion.
Preferably, the blanking channel includes connecting portion, rake, backgauge portion, and the connecting portion is sheathed on the constant volume
Outside device, the relatively described crust breaker of the rake is obliquely installed, and the one end of the rake away from the crust breaker with
The connecting portion connection, the backgauge portion are located at the tremie pipe close to the rake side.
Preferably, the blanking channel also includes the overfall in the backgauge portion.
Preferably, the blanking channel also includes several funnel devices being connected, and each funnel device is located at
On the rake in the blanking channel, and each funnel device includes the first material mouth and the second material mouth, and described the
With being communicated below the constant volume device, second material mouth communicates one material mouth with the charging aperture of the tremie pipe.
Preferably, the size of first material mouth is more than the size of second material mouth.
Preferably, the blanking channel is pipe.
Preferably, the aluminum oxide continuous blanking device also includes being used for the dredger for dredging the tremie pipe, described
Dredger is contained in the receiving space.
Preferably, the dredger is wire, and its one end is inserted in the constant volume device and penetrates the blanking channel,
The other end inserts the tremie pipe.
Preferably, the dredger includes screen cloth and be hinged screw rod, and one end of the screen cloth passes through the be hinged screw rod
It is connected in the backgauge portion, the other end contacts with the rake, and the screen cloth is below the constant volume device.
Compared with correlation technique, aluminum oxide continuous blanking device provided by the invention, it is continuous blanking to change compartment blanking,
Aluminum oxide is slowly entered in the tremie pipe after constant volume device enters the blanking channel, and blanking is steady, reduces the temperature of electrolytic cell
Degree and alumina concentration fluctuation, and then current efficiency is improved, reduce energy consumption.Blanking channel makes aluminum oxide have time and first of abundance
Slow dissolving enters electrolyte after fast, so as to reduce bearth precipitation, reduces hearth and bottom.The blanking channel also acts stop
Effect, avoids aluminum oxide and is collided with crust breaker, and ensure that aluminum oxide actually enters groove amount, reduces effect coefficient.
Brief description of the drawings
Fig. 1 is the structural representation of existing alumina blanking device；
Fig. 2 is the structural representation of aluminum oxide continuous blanking device embodiment one of the present invention；
Fig. 3 is the structural representation of tremie pipe in aluminum oxide continuous blanking device shown in Fig. 2；
Fig. 4 is the left view of tremie pipe shown in Fig. 3；
Fig. 5 is the right view of tremie pipe shown in Fig. 3；
Fig. 6 is the structural representation of aluminum oxide continuous blanking device embodiment two of the present invention；
Fig. 7 is the expanded view of funnel device in aluminum oxide continuous blanking device shown in Fig. 6；
Fig. 8 is the structural representation of aluminum oxide continuous blanking device embodiment three of the present invention；
Fig. 9 is the structural representation of aluminum oxide continuous blanking device example IV of the present invention；
Figure 10 is the structural representation of aluminum oxide continuous blanking device embodiment five of the present invention；
The structural representation of Figure 11 aluminum oxide continuous blanking device embodiments six of the present invention；
Figure 12 is the connection diagram of screen cloth and backgauge portion in aluminum oxide continuous blanking device shown in Figure 11.
Embodiment
Below in conjunction with drawings and embodiments, the invention will be further described.
Embodiment one
Referring to Fig. 2, the structural representation for aluminum oxide continuous blanking device embodiment one of the present invention.The aluminum oxide connects
Continuous blanking device 1 includes alumina reservoir 11, blanking cylinder 12, constant volume device 13, blanking channel 14, tremie pipe 15 and crust breaker
16.The blanking cylinder 12 is arranged in the alumina reservoir 11, the bottom of the constant volume device 13 and the blanking cylinder 12
It is connected, and in the blanking channel 14.The crust breaker 16 is located at the surface of aluminium cell charging aperture (not shown),
It is oppositely arranged with the blanking channel 14 interval.Alumina material enters the blanking channel 14 through the constant volume device 13, then
Enter aluminium cell through the tremie pipe 15.
The blanking channel 14 includes receiving space 141, feeding mouth 142, connecting portion 143, rake 144, backgauge portion
145th, overfall 146 and feed opening 147.
The flowing space of the receiving space 141 as aluminum oxide, and the constant volume device is contained in the receiving space 141
Interior, the feeding mouth 142 is located at the lower section of the constant volume device 13, the constant volume device 13 is connected with the blanking channel 14, institute
Connecting portion 143 is stated to be sheathed on outside the constant volume device 13.
The relatively described crust breaker 16 of the rake 144 is obliquely installed, and the rake 144 fills away from the crust breaking
Put 16 one end to be connected with the connecting portion 143, be advantageous to the gentle blanking of aluminum oxide, the heat for reducing aluminium cell after blanking is put down
The fluctuation of weighing apparatus, stability of aluminum electrolytic bath is preferable, current efficiency is higher.
The backgauge portion 145 is located at the tremie pipe 15 close to the side of rake 144, and the two of the backgauge portion 145
End connects the rake 144 and the connecting portion 143 respectively.
The overfall 146 is in the backgauge portion 145.The feed opening 147 is arranged in the backgauge portion 145,
And positioned at the lower section of overfall 146, and be arranged at intervals with the overfall 146.The caliber size of the feeding mouth 142 is more than
The caliber size of the feed opening 147.
In the present embodiment, the connecting portion 143 includes first connecting portion 1431 and curved by the first connecting portion 1431
The second connecting portion 1432 of extension is rolled over, the first connecting portion 1431 is sheathed on outside the constant volume device 13, the second connecting portion
1432 connect the backgauge portion 145 close to the side of crust breaker 16, described in the opposite side of second connecting portion 1432 connection
Rake 144.
Please refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, wherein, Fig. 3 is blanking in aluminum oxide continuous blanking device shown in Fig. 2
The structural representation of pipe, Fig. 4 are the left view of tremie pipe shown in Fig. 3, and Fig. 5 is the right view of tremie pipe shown in Fig. 3.The blanking
Pipe 15 includes feeder 151, charging aperture 152, discharging portion 153, discharging opening (not shown), dredging hole 154 and anti-blockage holes 155.Institute
State feeder 151 and the discharging portion 153 to divide the tremie pipe 15 for two sections, the feeder 151 is immobilizated in described
Backgauge portion 145, wherein, the charging aperture 152 and the dredging hole 154 are separately positioned on the side wall of the feeder 151, described
Charging aperture 152 is connected with the feed opening 145；The discharging opening is arranged on the discharging portion 153, and the anti-blockage holes 155 are set
Put the junction in the feeder 151 and the discharging portion 153.After aluminum oxide flows through the blanking channel 14, into aluminium electricity
The time of solution groove can extend 10~160s compared with prior art.
The distance between the tremie pipe 15 and the crust breaker 16 are in 10 centimetres, and the discharging portion 153 is towards institute
The inclination of the direction of crust breaker 16 is stated, it is 30 °~75 ° to make the angle α between the feeder 151 and the discharging portion 153, oxidation
Aluminium can be directly entered blanking hole, prevent aluminum oxide floats from trembling.The dredging hole 154 is located at the feeder 151 of the tremie pipe 15
Side wall on, the anti-blockage holes 155 are located at the feeder 151 and the junction of discharging portion 152, and are located at the tremie pipe
15 side wall, the dredging hole 154 communicate with inner chamber of the anti-blockage holes 155 with the tremie pipe 15, when tremie pipe 15 is sent out
During raw aluminum oxide obstruction, in the opening position of the corresponding dredging hole 154 and the anti-blockage holes 155, dredged, anti-blocking arranged
Apply.
Barrier layer is formed between the overfall 146 and feed opening 147 of the backgauge portion 145 thereon, avoids oxidation
Aluminium carries out direct collision with the crust breaker 16, and ensure that aluminum oxide actually enters groove amount.
In the present embodiment, the structure of the blanking channel 14 is square the backgauge portion 145 and the rake 144
Volume in the cavity volume of formation is identical with the volume of the constant volume device 13, and the feed opening 147 is square, circular, oval
Any one in opposite side shape.The area of the feed opening is：100 square millimeters~2000 square millimeters.
Embodiment two
Referring to Fig. 6, the structural representation for aluminum oxide continuous blanking device embodiment two of the present invention.The aluminum oxide connects
Continuous blanking device 2 includes alumina reservoir 21, blanking cylinder 22, constant volume device 23, blanking channel 24, tremie pipe 25 and crust breaker
26.The alumina reservoir 21, blanking cylinder 22, the structure and position relationship and embodiment of constant volume device 23 and crust breaker 26
One is identical.
The blanking channel 24 includes receiving space 241, feeding mouth 242, connecting portion 243, rake 244, backgauge portion
245th, overfall 246, feed opening 247 and funnel device 248.The constant volume device 23 is contained in the receiving space 241, described
Feeding mouth 242, connecting portion 243, rake 244, backgauge portion 245, the structure and position relationship of overfall 246 and feed opening 247
It is identical with embodiment one.
The tremie pipe 25 includes feeder 251, charging aperture 252, discharging portion 253, dredging hole 254 and anti-blockage holes 255 (not
Diagram).The structure and position relationship of each part are identical in embodiment one.
Please refer to Fig. 6 and Fig. 7, wherein, Fig. 7 is the exhibition of funnel device in aluminum oxide continuous blanking device shown in Fig. 6
Open figure.The funnel device 248 is surrounded by three iron sheet welding resistances or is surrounded by two iron sheet welding resistances or turned round by a fan-shaped iron sheet
The structure that the both ends for turning to surround communicate, is consequently formed the first material mouth 2481 and the second material mouth 2482.The funnel device 248 houses
In in the receiving space 241 of the blanking channel 24, and on the rake 244, first material mouth 2481 with it is described
The lower section of constant volume device 23 communicates, and second material mouth 2482 communicates with the charging aperture 252 of the tremie pipe 25.Aluminum oxide is by described
Constant volume device 23 flows into first material mouth 2481, then flows into the charging aperture 252 through second material mouth 2482.First material
The opening of mouth 2481 carries out first time buffering to the aluminum oxide, can extend oxidation more than the opening of second material mouth 2482
The aluminium blanking time.
In the present embodiment, the connecting portion 243 includes first connecting portion 2431 and second connecting portion 2432, its structure and
Position relationship is identical with embodiment one.
In the present embodiment, the overfall 246 closes on the backgauge portion of connecting portion 243 in the backgauge portion 245
245 form barrier layer, and carrying out second to the aluminum oxide via the blanking channel 24 buffers, and extends the alumina blanking time,
Aluminum oxide is set to have the time dissolving of abundance, so as to reduce alumina concentration and temperature fluctuation, and barrier layer effectively blocks oxidation
Aluminium hits the crust breaker 26, and increase actually enters groove amount.
In the present embodiment, the volume that the funnel device 248, the backgauge portion 245 are formed with the rake 244
The volume of chamber is identical with the volume of the constant volume device 23, realizes continuous blanking.
Embodiment three
Referring to Fig. 8, the structural representation for aluminum oxide continuous blanking device embodiment three of the present invention.The aluminum oxide connects
Continuous blanking device 3 includes alumina reservoir 31, blanking cylinder 32, constant volume device 33, blanking channel 34, tremie pipe 35 and crust breaker
36.The alumina reservoir 31, blanking cylinder 32, the position relationship of constant volume device 33 and crust breaker 36 are identical with embodiment one.
The blanking channel 34 includes receiving space 341, connecting portion 342, rake 343, backgauge portion 344, overfall 345
It is identical with embodiment two with funnel device 346, the position relationship of each part.
In the present embodiment, the connecting portion 342 includes first connecting portion 3421 and second connecting portion 3422, its structure and
Position sets identical with embodiment one.
In the present embodiment, the overfall 345 closes on the rake 343 in the backgauge portion 344.Oxidation
Aluminium does not hit the crust breaker 36 directly after three-level buffers, and increase actually enters groove amount, reduces effect coefficient.
The funnel device 346 includes the first material mouth 3461 and the second material mouth 3462, its structure are identical with embodiment two.
In the present embodiment, the quantity of the funnel device 346 is three, and the collecting for being contained in the blanking channel 34 is empty
Between in 341, and on the rake 343, from the lower section of the constant volume device 33, extend successively to the tremie pipe 35, three
Each head and the tail connect the individual funnel device 346, are specially：First material mouth 3461 of first funnel device 346
The lower section of the constant volume device 33 is connected, second material mouth 3462 connects second ＇ of funnel device 346 the first material mouth
3461 ＇, second ＇ of funnel device 346 ＇ of the second material mouth 3462 connect the 3rd ＂ of funnel device 346 the first material
Mouth 3461 ＂, the 3rd ＂ of funnel device 346 ＂ of the second material mouth 3462 connect the charging aperture 352 of the tremie pipe 35.Thus
Three-level buffering is formed, aluminum oxide is more gently flowed into the tremie pipe 35.First material mouth 3461 is to described second
Communicated inside the ＂ of material mouth 3462.
In the present embodiment, the cavity volume that three funnel devices 346,346 ＇, 346 ＂ are formed with the rake 342
Volume it is identical with the volume of the constant volume device 33, realize continuous blanking.
The tremie pipe 35 includes feeder 351, charging aperture 352, discharging portion 353, dredging hole 354 and anti-blockage holes 355 (not
Diagram).The structure and position relationship of each part are identical in embodiment one.
Example IV
Referring to Fig. 9, the structural representation for aluminum oxide continuous blanking device example IV of the present invention.The aluminum oxide connects
Continuous blanking device 4 includes alumina reservoir 4, the constant volume device 43 of blanking cylinder 42, blanking channel 44, tremie pipe 45, the and of crust breaker 46
Reinforcement 47.The alumina reservoir 41, blanking cylinder 42, the position relationship and embodiment one of constant volume device 43 and crust breaker 46
It is identical.
The blanking channel 44 includes receiving space 441, feeding mouth 442, connecting portion 443, rake 444, backgauge portion
445th, overfall 446 and feed opening 447.The connecting portion 443 and rake 444 are pipe, a diameter of 120mm of pipe
~160mm.The position relationship of other each parts is identical with embodiment one.
In the present embodiment, the feeding mouth 442 is more than the feed opening 447.
In the present embodiment, the volume for the cavity volume that the rake 444 is formed with the backgauge portion 445 and the constant volume
The volume of device 43 is identical, realizes continuous blanking.
The tremie pipe 45 includes feeder 451, charging aperture 452, discharging portion 453, dredging hole 454 and anti-blockage holes 455 (not
Diagram).Each modular construction and position relationship are identical with embodiment one.
It is fixedly connected between the tremie pipe 45 and the rake 444 with the reinforcement 47.
Embodiment five
Referring to Fig. 10, the structural representation for aluminum oxide continuous blanking device embodiment five of the present invention.The aluminum oxide
Continuous blanking device 5 include alumina reservoir 51, blanking cylinder 52, constant volume device 53, have receiving space blanking channel 54, under
Expects pipe 55, crust breaker 56 and dredger 57.The alumina reservoir 51, blanking cylinder 52, constant volume device 53, blanking channel
54th, tremie pipe 55 is identical with embodiment two with the position relationship of crust breaker 56.
The blanking channel 54 includes funnel device 541, rake 542, receiving space 543, connecting portion 544, backgauge portion
545th, overfall 546 and feed opening 547, each structure and position set identical with embodiment two.The funnel device 541 includes the
One material mouth 5411 and the second material mouth 5412, the funnel device 541 are contained in the receiving space 543 of the blanking channel 54,
And on the rake 542, the other structures of the blanking channel 54 and position setting are identical with embodiment two.
The tremie pipe 55 includes feeder 551, charging aperture 552, discharging portion 553, dredging hole 554 and anti-blockage holes 555 (not
Diagram).The structure and position relationship of each part are identical in embodiment one.
For the dredger 57 in the blanking channel 54, one end connects the lower section of constant volume device 53, other end connection
The charging aperture 551 of the tremie pipe 55.
In the present embodiment, the dredger 57 is wire, preferably with wear-resisting and anti-folding material, its one end insertion institute
State in constant volume device 53, after the other end passes through the funnel device 541, passed through from the charging aperture 551, and in the tremie pipe 55
Inside extend out to 8 centimetres~20 centimetres, when the constant volume device 53 separately down, upper motion when, the dredger 57 follow to
Upper and lower motion, is consequently formed and swings repeatedly, effectively prevents the plug-hole of the charging aperture 551, ensures that continuous blanking is persistently normally transported
Turn.
It should be noted that the aluminum oxide that the dredger 57 in the present embodiment can apply to the present invention respectively connects
Continuous blanking device embodiment one, implement in two and embodiment three, can equally meet technical scheme, belong in protection domain.
Embodiment six
Figure 11 is referred to, is the structural representation of aluminum oxide continuous blanking device embodiment six of the present invention.The aluminum oxide
Continuous blanking device 6 include alumina reservoir 61, blanking cylinder 62, constant volume device 63, have receiving space blanking channel 64, under
Expects pipe 65, crust breaker 66 and dredger 67.The alumina reservoir 61, blanking cylinder 62, constant volume device 63, blanking channel
64th, the position relationship of tremie pipe 65 and crust breaker 66 is identical with embodiment one.
The blanking channel 64 includes connecting portion 641, rake 642, backgauge portion 643, overfall 644 and feed opening 645.
The connecting portion 641 is sheathed on outside the constant volume device 63, and described one end of backgauge portion 643 connects the rake 642, and the other end hangs
Between the rake 642 and the connecting portion 641, the suspending part between the backgauge portion 643 and the connecting portion 641
Point, as described overfall 644, the position relationship and reality of the rake 642, the connecting portion 641 and the feed opening 645
It is identical to apply example one.
In the present embodiment, the cavity volume of the blanking channel 64 is by the rake 642 and the shape of backgauge portion 643
Into the volume of the cavity volume is identical with the volume of the constant volume device 63, realizes continuous blanking.
The tremie pipe 65 includes charging aperture 651, its position relationship and the other structures of the tremie pipe 65 and position is set
It is identical with embodiment one.
The tremie pipe 65 includes feeder 651, charging aperture 652, discharging portion 653, dredging hole 654 and anti-blockage holes 655 (not
Diagram).The structure and position relationship of each part are identical in embodiment one.
Please refer to Figure 11 and Figure 12, wherein, Figure 12 is that aluminum oxide described in Figure 11 continuous two chats screen cloth and gear in device
The connection diagram in material portion.The dredger 67 is contained in the receiving space 646 of the blanking channel 64, the dredging dress
Putting 67 includes screen cloth 671 and be hinged screw rod 672, and the sieve screen apertures size of screen cloth 671 is 1mm2-25mm2.The one of the screen cloth 671
After end is hinged by the be hinged screw rod 672, it is fixed in the backgauge portion 643 and closes on the end of the backgauge portion 643, it is described
The other end of screen cloth 671 contacts with the rake 642, and the screen cloth 671 can rotate along the be hinged screw rod 672,
When the screen cloth 671 turns to certain altitude, by the downward return of its own gravity, after falling on the rake 642, to institute
State screen cloth 671 and produce impact active force, to remove large-grain alumina on the screen cloth 671, ensure screen cloth continuous firing.
In the present embodiment, aluminum oxide is from the lower section of the constant volume device 63, after the screen cloth 671 filters out bulky grain,
Into the cavity volume formed between the rake 642 and the backgauge portion 643, then the feed opening 645 through interconnecting
With charging aperture 651, flow into the tremie pipe 65, most enter afterwards through the tremie pipe 65 in electrolytic cell (not shown).After filtering
Aluminum oxide it is finer and smoother, effectively prevent the plug-hole of feed opening 645.
Compared with correlation technique, aluminum oxide continuous blanking device provided by the invention, it is continuous blanking to change compartment blanking,
Aluminum oxide is slowly entered in the tremie pipe after constant volume device enters the blanking channel, and blanking is steady, reduces the temperature of electrolytic cell
Degree and alumina concentration fluctuation, and then current efficiency is improved, reduce energy consumption.Blanking channel makes aluminum oxide have time and first of abundance
Slow dissolving enters electrolyte after fast, so as to reduce bearth precipitation, reduces hearth and bottom.The blanking channel also acts stop
Effect, avoids aluminum oxide and is collided with crust breaker, and ensure that aluminum oxide actually enters groove amount, reduces effect coefficient.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (7)
- A kind of 1. aluminum oxide continuous blanking device, it is characterised in that including alumina reservoir, with alumina reservoir bottom phase Blanking channel connect and with receiving space, it is contained in the receiving space and determines with what the alumina reservoir bottom connected Container, tremie pipe and the crust breaker relative with the tremie pipe and the blanking channel interval, the tremie pipe include being located at Charging aperture at the top of it and the discharging opening located at its bottom, the charging aperture connect with the blanking channel bottom；The blanking Pipe also include discharging portion, the discharging portion is located at the blanking bottom of the tube, and relatively described crust breaker is obliquely installed, it is described go out Material mouth is located at the discharging portion；The blanking channel includes connecting portion, rake, backgauge portion, and the connecting portion is sheathed on described Outside constant volume device, the relatively described crust breaker of the rake is obliquely installed, and the rake away from the crust breaker one End is connected with the connecting portion；The blanking channel also includes the overfall in the backgauge portion.
- 2. aluminum oxide continuous blanking device according to claim 1, it is characterised in that the blanking channel also includes some The individual funnel device being connected, each funnel device is on the rake in the blanking channel, and each institute Stating funnel device includes the first material mouth and the second material mouth, and first material mouth below the constant volume device with communicating, and described second Material mouth communicates with the charging aperture of the tremie pipe.
- 3. aluminum oxide continuous blanking device according to claim 2, it is characterised in that the size of first material mouth is more than The size of second material mouth.
- 4. aluminum oxide continuous blanking device as claimed in any of claims 1 to 3, it is characterised in that the blanking Passage is pipe.
- 5. aluminum oxide continuous blanking device according to claim 1, it is characterised in that the aluminum oxide continuous blanking device Also include being used for the dredger for dredging the tremie pipe, the dredger is contained in the receiving space.
- 6. aluminum oxide continuous blanking device according to claim 5, it is characterised in that the dredger is wire, Its one end is inserted in the constant volume device and penetrates the blanking channel, and the other end inserts the tremie pipe.
- 7. aluminum oxide continuous blanking device according to claim 6, it is characterised in that the dredger include screen cloth and Be hinged screw rod, one end of the screen cloth are connected in the backgauge portion by the be hinged screw rod, the other end and the rake Contact, the screen cloth is below the constant volume device.
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| CN201610058275.XA CN105506675B (en) | 2016-01-28 | 2016-01-28 | Aluminum oxide continuous blanking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058275.XA CN105506675B (en) | 2016-01-28 | 2016-01-28 | Aluminum oxide continuous blanking device |
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| CN105506675A CN105506675A (en) | 2016-04-20 |
| CN105506675B true CN105506675B (en) | 2018-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2800763C1 (en) * | 2023-01-17 | 2023-07-27 | Федеральное государственное автономное образовательное учреждение высшего образования "Сибирский федеральный университет" | Method for continuous supply of aluminium electrolyser with alumina and device for its implementation |
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| NL79897C (en) * | 1959-04-24 | |||
| DE2914238C2 (en) * | 1979-03-02 | 1981-04-23 | Schweizerische Aluminium AG, 3965 Chippis | Device for the continuous feeding of alumina by means of a metering device |
| CN87106181A (en) * | 1987-09-09 | 1988-03-16 | 包头铝厂 | The method of the existing automatic crust breaking blanking of side-inserted self-baking anode aluminium electrolytic trough into point type |
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| CN204661839U (en) * | 2015-05-28 | 2015-09-23 | 湖南创元铝业有限公司 | Aluminum oxide continuous blanking device |
| CN105063666B (en) * | 2015-08-31 | 2018-08-07 | 晟通科技集团有限公司 | Electrolytic cell blanking system and electrolyzer system |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2800763C1 (en) * | 2023-01-17 | 2023-07-27 | Федеральное государственное автономное образовательное учреждение высшего образования "Сибирский федеральный университет" | Method for continuous supply of aluminium electrolyser with alumina and device for its implementation |
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