CN201883156U - Anode structure of aluminum electrolysis cell - Google Patents
Anode structure of aluminum electrolysis cell Download PDFInfo
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- CN201883156U CN201883156U CN2010206443994U CN201020644399U CN201883156U CN 201883156 U CN201883156 U CN 201883156U CN 2010206443994 U CN2010206443994 U CN 2010206443994U CN 201020644399 U CN201020644399 U CN 201020644399U CN 201883156 U CN201883156 U CN 201883156U
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Abstract
An anode structure of an aluminum electrolysis cell belongs to the technical field of aluminum electrolysis. The anode structure comprises anode guide bars and anode steel talons, wherein each anode comprises a plurality of anode guide bars, and an undersurface of the same anode guide bar is suspended with 2 to 24 small anodes through the anode steel talons; the arrangement way of the small anodes is as follows: 1 to 4 row small anodes are arranged in the vertical direction of the electrolysis cell, and 2 to 6 small anodes are arranged in each row, which forms a carbon anode set. The length of anode small carbon blocks is 300 mm to 750 mm in the vertical direction of the electrolysis cell, and the width and the height in the horizontal direction of the electrolysis are respectively 300 mm to 750 mm and 450 mm to 700 mm, 10 mm to 40 mm slits are formed between the anode small carbon blocks, 90-degree to 120-degree angles are formed between side surfaces and the bottom surfaces of the anode small carbon blocks, arc chamfer angles can also be formed between the side surfaces and the bottom surfaces of the anode small carbon blocks. The anode structure of the aluminum electrolysis cell can shorten the retention time of CO2, which is formed on the surfaces of anode bottoms, in electrolyte fused mass during the producing process of the aluminum electrolysis, thereby reducing the influence to the fluctuation of aluminum liquid, a polar distance and cell voltage can be further lowered, and at last the purpose of improving current efficiency and lowering power consumption are achieved.
Description
Technical field
The utility model belongs to technical field of aluminum electrolysis, and the particularly a kind of depth of penetration and the anodic gas of aluminium cell anode gas evolution in electrolyte melt that can reduce overflowed to the anode construction of the moving influence of aluminium fluid wave.
Background technology
Industrial fine aluminium is by fused salt electrolysis process production at present, and electrolyzer is the ship type structure that is lined with refractory materials, lagging material and carbon cathode in.The anode of electrolysis of aluminum is to be made by carbonaceous material, and anode carbon block increases along with the increase of electrolytic cell currents intensity in the quantity of electrolyzer longitudinal direction.Anode carbon block is connected to anode rod by anode steel jaw, the top of anode rod is connected on the positive bar, under the common anode rod 1～2 anode carbon block is arranged, when same anode rod becomes double anode when the electrolyzer longitudinal direction has two anode carbon blocks arranged side by side.The wide of the anode carbon block that uses in the existing electrolyzer is 400～700mm, and length is 1400～1800mm, and height is 450～700mm.In normal productive process, there is aluminium water in the carbon cathode liner of electrolyzer, aluminum liquid horizontal is generally at 10～25cm.Above the negative electrode aluminium liquid in electrolyzer is the electrolyte melt of being made up of sodium aluminum fluoride-aluminum oxide, and its level height is at 15～25cm.Distance is 3～5cm between anode electrolytic cell basal surface and the negative electrode aluminium liquid.
The charcoal of anode basal surface and the oxonium ion generation electrochemical reaction in the electrolyte melt generate CO
2Gas, anodic gas passes electrolyte melt after the anode basal surface generates, overflow from the electrolyte melt of anode periphery.Because the distance (pole span) between anode basal surface and the negative electrode aluminium liquid is very short, therefore, anodic gas can cause the fluctuation of negative electrode liquid aluminum from negative electrode basal surface effusion process.Under given anodic current density condition, promptly under the condition of given anodic gas effusion speed, the depth of penetration and the time that in ionogen stops and the anodic gas anticathode aluminium fluid wave moving influence of anodic gas in electrolyte melt increases along with the increase of anodic width and length.The prolongation of the residence time and to the increase of aluminium liquid liquid fluctuating influence in the increase of anodic gas depth of penetration in electrolyte melt and the electrolyte melt not only increases anodic gas CO
2With the secondary reaction of aluminium in the electrolyte melt, current efficiency is reduced, and influence the reduction of effective pole span of electrolyzer and bath voltage, thereby the power consumption of electrolyzer Aluminium Electrolysis is increased.The moving influence to current efficiency and anodic gas effusion anticathode aluminium fluid wave that the large size anode that existing aluminium cell is implemented is brought has seriously restricted the further reduction of pole span, bath voltage and power consumption.
Summary of the invention
At the problems referred to above, the utility model provides a kind of anode construction of new aluminium cell, and a kind of depth of penetration and the anodic gas of aluminium cell anode gas evolution in electrolyte melt that can reduce overflowed to the moving anode construction of aluminium fluid wave.
The anode construction of a kind of aluminium cell of the utility model, comprise several anode rods, anode steel jaw, the top of anode rod is connected on the positive bar, each anode rod bottom connects anode steel jaw, anode carbon block is connected to anode rod by anode steel jaw, same anode rod be hung with 2～24 primary anodes below by anode steel jaw, the arrangement mode of its primary anode for the electrolyzer longitudinal direction have 1～4 row, every row has 2～6, forms charcoal piece anode group.
The little charcoal piece of above-mentioned anode charcoal piece primary anode is 300～750mm in the length of electrolyzer longitudinal direction, is 300～750mm at the width of electrolyzer horizontal direction,, height is 450～700mm.
The slit that 10～40mm is arranged between the above-mentioned charcoal piece primary anode.
Above-mentioned charcoal piece primary anode side becomes 90 °～hexagonal angle with the bottom surface, also can there be arc angling side and bottom surface.
Charcoal piece primary anode length of the present utility model and width are no more than 750mm, can shorten the CO that anode bottom surface forms in the Aluminium Electrolysis process
2Gas is the residence time in electrolyte melt, reduce the possibility that forms big anode gas bubble, thereby reduced the influence moving to the aluminium fluid wave, reduce the secondary reaction of aluminium, the pole span of electrolyzer is reduced significantly, by the 5cm in past be reduced to about 4cm or below, pole span and bath voltage are further reduced, finally reach the purpose that improves current efficiency and reduce power consumption.
Description of drawings
Fig. 1 is hung with 1 row below an anode rod of the present utility model and anode steel jaw, the anode combination front view of 4 primary anodes of every row.
Fig. 2 is hung with 1 row, the anode combination of side view of 4 primary anodes of every row below an anode rod of the present utility model and anode steel jaw.
Fig. 3 is hung with 2 rows below an anode rod of the present utility model and anode steel jaw, 4 anodic anode combinations of every row front view.
Fig. 4 is hung with 2 rows below an anode rod of the present utility model and anode steel jaw, the side-view of 4 anodic anode combinations of every row.
Fig. 5 is hung with 3 rows below an anode rod of the present utility model and anode steel jaw, 4 anodic anode combinations of every row front view.
Fig. 6 is hung with 3 rows, 4 anodic anodes of every row combination of side view below an anode rod of the present utility model and anode steel jaw.
Fig. 7 is hung with 4 rows below an anode rod of the present utility model and anode steel jaw, 6 anodic anode combinations of every row front view.
Fig. 8 is hung with 4 rows, 6 anodic anodes of every row combination of side view below an anode rod of the present utility model and anode steel jaw.
Fig. 9 is hung with 3 rows below an anode rod of the present utility model and anode steel jaw, 2 anodic anode combinations of every row front view.
Figure 10 is hung with 3 rows, 2 anodic anodes of every row combination of side view below an anode rod of the present utility model and anode steel jaw.
Figure 11 is hung with 4 rows below an anode rod of the present utility model and anode steel jaw, 5 anodic anode combinations of every row front view.
Figure 12 is hung with 4 rows, 5 anodic anodes of every row combination of side view below an anode rod of the present utility model and anode steel jaw.
1 is anode rod among the last figure, and 2 is anode steel jaw, and 3 is charcoal piece primary anode, and 4 is anode steel angle.
Embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is described further.
As shown in Figure 1 and Figure 2, be hung with 1 row below anode rod of the utility model and the anode steel jaw, the anode combination of 4 charcoal pieces of every row primary anode replaces the traditional charcoal piece anode in traditional electrolyzer, wherein the length direction of each primary anode is consistent with the electrolyzer longitudinal direction, promptly be parallel to the positive bar direction, length is 660mm; Width is 370mm, highly is 700mm, and is suitable with conventional anode.Be 40mm between charcoal piece and the charcoal piece.The angle of primary anode side and bottom surface is 90 °.
Embodiment 2
As shown in Figure 3, Figure 4, be hung with 2 rows below anode rod of the utility model and the anode steel jaw, the anode combination of 4 charcoal pieces of every row primary anode replaces the traditional charcoal piece anode in traditional electrolyzer, wherein the length direction of each primary anode is consistent with the electrolyzer longitudinal direction, promptly be parallel to the positive bar direction, length is 320mm; Width is 370mm; Highly be 600mm.Be 30mm between charcoal piece and the charcoal piece.The angle of primary anode side and bottom surface is 90 °.
As Fig. 5, shown in Figure 6, be hung with 3 rows below anode rod of the utility model and the anode steel jaw, the anode combination of 4 charcoal pieces of every row primary anode replaces the traditional charcoal piece anode in traditional electrolyzer, wherein the length direction of each primary anode is consistent with the electrolyzer longitudinal direction, promptly be parallel to the positive bar direction, length is 450mm, and width is 500mm; Highly be 600mm.Be 10mm between charcoal piece and the charcoal piece.The angle of primary anode side and bottom surface is 90 °.
Embodiment 4
As Fig. 7, shown in Figure 8, be hung with 4 rows below anode rod of the utility model and the anode steel jaw, the anode combination of 6 charcoal pieces of every row primary anode replaces the traditional charcoal piece anode in traditional electrolyzer, wherein the length direction of each primary anode is consistent with the electrolyzer longitudinal direction, promptly be parallel to the positive bar direction, length is 330mm, and width is 300mm; Highly be 600mm.Be 10mm between charcoal piece and the charcoal piece.The angle of primary anode side and bottom surface is 95 °.
Embodiment 5
As Fig. 9, shown in Figure 10, be hung with 3 rows below anode rod of the utility model and the anode steel jaw, the anode combination of 2 charcoal pieces of every row primary anode replaces the traditional charcoal piece anode in traditional electrolyzer, wherein the length direction of each primary anode is consistent with the electrolyzer longitudinal direction, promptly be parallel to the positive bar direction, length is 320mm, and width is 570mm, highly is 450mm.Be 10mm between charcoal piece and the charcoal piece.The angle of primary anode side and bottom surface is 120 °.
Embodiment 6
As Figure 11, shown in Figure 12, be hung with 4 rows below anode rod of the utility model and the anode steel jaw, the anode combination of 5 charcoal pieces of every row primary anode replaces the traditional charcoal piece anode in traditional electrolyzer, wherein the length direction of each primary anode is consistent with the electrolyzer longitudinal direction, promptly be parallel to the positive bar direction, length is 320mm, and width is 300mm; Highly be 600mm.Be 10mm between charcoal piece and the charcoal piece.There is arc angling primary anode bottom and bottom surface.
Claims (4)
1. the anode construction of an aluminium cell, comprise several anode rods, anode steel jaw, the top of anode rod is connected on the positive bar, each anode rod bottom connects anode steel jaw, anode carbon block is connected to anode rod by anode steel jaw, and what it is characterized in that same anode rod is hung with 2～24 primary anodes below by anode steel jaw, and the arrangement mode of its primary anode is for there being 1～4 row at the electrolyzer longitudinal direction, every row has 2～6, forms charcoal piece anode group.
2. anode construction according to claim 1 is characterized in that described charcoal piece primary anode is 300～750mm in electrolyzer longitudinal direction length, and wide at the electrolyzer horizontal direction is 300～750mm, and height is 500～700mm.
3. anode construction according to claim 1 is characterized in that having between the described charcoal piece primary anode slit of 10～40mm.
4. anode construction according to claim 1, the angle that it is characterized in that described charcoal piece primary anode side and bottom surface is 90～120 °, or there is arc angling side and bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206443994U CN201883156U (en) | 2010-12-07 | 2010-12-07 | Anode structure of aluminum electrolysis cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206443994U CN201883156U (en) | 2010-12-07 | 2010-12-07 | Anode structure of aluminum electrolysis cell |
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| CN201883156U true CN201883156U (en) | 2011-06-29 |
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| CN2010206443994U Expired - Fee Related CN201883156U (en) | 2010-12-07 | 2010-12-07 | Anode structure of aluminum electrolysis cell |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345141A (en) * | 2011-09-05 | 2012-02-08 | 冯乃祥 | Aluminum electrolytic tank anode carbon block of irregularly-shaped structure with exhaust passage and preparation method thereof |
| CN102560546A (en) * | 2010-12-07 | 2012-07-11 | 冯乃祥 | Anode structure of aluminum electrolytic tank |
| WO2013034024A1 (en) * | 2011-09-05 | 2013-03-14 | 沈阳北冶冶金科技有限公司 | Aluminum electrolytic tank anode carbon block of irregularly-shaped structure with exhaust passage and preparation method thereof |
| CN104404572A (en) * | 2014-11-25 | 2015-03-11 | 湖南创元铝业有限公司 | Aluminum electrolysis cell |
-
2010
- 2010-12-07 CN CN2010206443994U patent/CN201883156U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102560546A (en) * | 2010-12-07 | 2012-07-11 | 冯乃祥 | Anode structure of aluminum electrolytic tank |
| CN102345141A (en) * | 2011-09-05 | 2012-02-08 | 冯乃祥 | Aluminum electrolytic tank anode carbon block of irregularly-shaped structure with exhaust passage and preparation method thereof |
| WO2013034024A1 (en) * | 2011-09-05 | 2013-03-14 | 沈阳北冶冶金科技有限公司 | Aluminum electrolytic tank anode carbon block of irregularly-shaped structure with exhaust passage and preparation method thereof |
| CN102345141B (en) * | 2011-09-05 | 2014-01-01 | 冯乃祥 | Aluminum electrolytic tank anode carbon block of irregularly-shaped structure with exhaust passage and preparation method thereof |
| CN104404572A (en) * | 2014-11-25 | 2015-03-11 | 湖南创元铝业有限公司 | Aluminum electrolysis cell |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20141207 |
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| EXPY | Termination of patent right or utility model |