CN202465897U - Alumina electrolysis bath device - Google Patents
Alumina electrolysis bath device Download PDFInfo
- Publication number
- CN202465897U CN202465897U CN2012200307497U CN201220030749U CN202465897U CN 202465897 U CN202465897 U CN 202465897U CN 2012200307497 U CN2012200307497 U CN 2012200307497U CN 201220030749 U CN201220030749 U CN 201220030749U CN 202465897 U CN202465897 U CN 202465897U
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- Prior art keywords
- anode
- electrolyzer
- electrolysis bath
- anode carbon
- blanking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000005868 electrolysis reaction Methods 0.000 title abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 47
- 238000005516 engineering process Methods 0.000 abstract description 3
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 abstract 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 21
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 18
- 239000002994 raw material Substances 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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- Electrolytic Production Of Metals (AREA)
Abstract
The utility model discloses an alumina electrolysis bath device which comprises an electrolysis bath (4) and anode carbon blocks (1); the anode carbon blocks (1) are distributed in the electrolysis bath (4) symmetrically along an X axis; each line of anode carbon blocks (1) forms an anode carbon block group (5); anode intervals (2) are arranged between the anode carbon block groups (5); two or more than two anode intervals (2) are uniformly arranged in the electrolysis bath (4); and two to three blanking points (3) are symmetrically arranged in the anode intervals (2) along the X axis. According to the utility model, an alumina electrolysis bath blanking point device changes traditional electrolysis bath middle blanking point configuration, a multi-row blanking configuration technology is adopted, so that the concentration difference of alumina and aluminum fluoride between a polar distance of the electrolysis bath is reduced, and the critical polar distance of an ultra-large alumina electrolysis bath is reduced.
Description
Technical field
The utility model belongs to the electrolytic aluminum field, is specifically related to a kind of alumina eltrolysis slot device.
Background technology
The method that alumina electrolysis bath maximizes has two, and the first increases anode dimension (mainly being to increase length); It two is to increase anodic quantity.Particularly along with anode length increases; The reinforced electrolyzer furnace width of point type also increases in the middle of the tradition; And then make aluminum oxide and the increase of ALUMNIUM FLUORIDE concentration difference in the ionogen of electrolyzer middle part and electrolysis trough side part, and this aluminum oxide and ALUMNIUM FLUORIDE concentration difference increase with the reduction of pole span.As everyone knows; Regional aluminum oxide and ALUMNIUM FLUORIDE concentration difference will cause its regional electric conductivity deviation in the ionogen; And the electrolyte conductivity deviation, with causing the distribution of current fluctuation between the electrolyzer anode and cathode to increase, this has just limited the reduction of ultra-large type electrolyzer pole span.The production practice of decades and evidence, the productive capacity that the low capacity electrolyzer more can obtain than large vol electrolyzer, just be based on anode lengthening after, the aluminum oxide between the anode and cathode in the ionogen increases with ALUMNIUM FLUORIDE concentration deviation and causes critical pole span increase.Therefore; In order to reduce the critical pole span of ultra-large type electrolyzer; Reach energy conservation object, the present technique utility model changes the configuration of the middle point type blanking point of traditional electrolyzer, adopts many row's blanking configuring technicals; To reduce aluminum oxide and ALUMNIUM FLUORIDE concentration difference between the electrolyzer pole span, reach the purpose of the critical pole span that reduces the ultra-large type aluminium cell.
500kA groove, 600kA groove and 700kA level electrolyzer be respectively that current series is in the world being moved, research and develop and the large vol alumina electrolysis bath of future development; Because of its long anode dimension; Cause that aluminum oxide and ALUMNIUM FLUORIDE concentration there are differences between pole span; Cause electrolyte conductivity to cross big-difference and make distribution of current unstable, limited the further decline of critical pole span.Solve aluminum oxide and ALUMNIUM FLUORIDE concentration difference and become key.The utility model patent relates to a kind of device of electrolyzer, and the enforcement of this technology can reduce aluminum oxide and the ALUMNIUM FLUORIDE concentration difference under the anode bottom, can reduce the critical pole span of electrolyzer, to reach purpose of energy saving.
Summary of the invention
The technical problem that the utility model will solve
:Existing ultra-large type alumina electrolysis bath exists that regional aluminum oxide and ALUMNIUM FLUORIDE concentration difference will cause its regional electric conductivity deviation in the ionogen; And the electrolyte conductivity deviation; With causing the distribution of current fluctuation between the electrolyzer anode and cathode to increase; The utility model provides a kind of aluminium electrolytic tank device, adopts the many rows of configuration blanking to reduce aluminum oxide and ALUMNIUM FLUORIDE concentration difference between the electrolyzer pole span, reaches the purpose of the critical pole span that reduces the ultra-large type aluminium cell.
The technical scheme that the utility model adopts
:The alumina eltrolysis slot device; Comprise electrolyzer and anode carbon block, anode carbon block is arranged in the electrolyzer along the X rotational symmetry, and every row anode carbon block constitutes anode carbon block group; There is anode at interval between the anode carbon block group; 2 above anodes evenly are set at interval in the electrolyzer, anode is symmetrical set 2 ~ 3 blanking points along X-direction in the interval, and the anode of these 100 ~ 250mm width is provided convenience to the diffusion of aluminum oxide and ALUMNIUM FLUORIDE at interval.
Described alumina eltrolysis slot device, anode are provided with 6 ~ 8 at interval.
Described alumina eltrolysis slot device, anode spacing at interval is 100 ~ 250mm.
The beneficial effect that the utility model reaches: change the configuration of conventional oxidation aluminium cell intermediate point formula blanking point; Because the electrolyzer furnace width increases; And then make aluminum oxide and the increase of ALUMNIUM FLUORIDE concentration difference in the ionogen of electrolyzer middle part and electrolysis trough side part, and this aluminum oxide and ALUMNIUM FLUORIDE concentration difference increase with the reduction of pole span, and regional aluminum oxide and ALUMNIUM FLUORIDE concentration difference will cause its regional electric conductivity deviation in the ionogen; And the electrolyte conductivity deviation; With causing the distribution of current fluctuation between the electrolyzer anode and cathode to increase, this has just limited the reduction of ultra-large type electrolyzer pole span, and the utility model adopts many row's blanking configuring technicals; To reduce aluminum oxide and ALUMNIUM FLUORIDE concentration difference between the electrolyzer pole span, reach the critical pole span that reduces the ultra-large type aluminium cell.
Description of drawings
Fig. 1 is the structural representation of alumina eltrolysis slot device among the utility model embodiment 1.
Fig. 2 is the structural representation of alumina eltrolysis slot device among the utility model embodiment 2.
Fig. 3 is the structural representation of alumina eltrolysis slot device among the utility model embodiment 3.
Fig. 4 is the structural representation of alumina eltrolysis slot device among the utility model embodiment 4.
Fig. 5 is the structural representation of alumina eltrolysis slot device among the utility model embodiment 5.
Fig. 6 is the structural representation of alumina eltrolysis slot device among the utility model embodiment 6.
Embodiment:
Embodiment 1
The alumina eltrolysis slot device, 48 anode carbon blocks 1 of 500kA level electrolyzer configuration, electrolyzer 4 is along on the X axis direction; Both sides are provided with 24 anode carbon blocks 1 respectively up and down, and 2 anode carbon blocks 1 constitute an anode carbon block group 5 up and down, and 24 groups of anode carbon block group 5 are promptly arranged; It is the anode interval 2 of 180mm that spacing is arranged between 24 anode carbon block group 5; Whole electrolyzer 4 evenly is provided with 6 anodes intervals 2, and in the space at 6 anodes intervals 2, second anode interval and the 5th anode are arranged at intervals with 3 blanking points; For adding alumina raw material, the intermediary blanking point is the ALUMNIUM FLUORIDE feed point near the blanking point of the both sides of electrolyzer; All the other 4 anodes 2 are provided with 2 blanking points at interval, and these blanking points all are provided with for the blanking aluminum oxide.
The alumina eltrolysis slot device, 48 anode carbon blocks 1 of 500kA level electrolyzer configuration, electrolyzer 4 is along on the X axis direction; Both sides are provided with one group of anode carbon block group 5 of 4 anode carbon blocks of 24 anode carbon blocks, 1,1 row, 1 formation respectively up and down, and 12 groups of anode carbon block group 5 are promptly arranged; It is the anode interval 2 of 180mm that spacing is arranged between 12 groups of anode carbon block group 5; Evenly be provided with in the electrolyzer 4 in the space at 2,6 anodes intervals 2,6 anodes intervals, second anode interval and the 5th anode are arranged at intervals with 3 blanking points; For adding alumina raw material, the intermediary blanking point is the ALUMNIUM FLUORIDE feed point near the blanking point of the both sides of electrolyzer; All the other 4 anodes 2 are provided with 2 blanking points at interval, and these blanking points all are to add alumina raw material.
The alumina eltrolysis slot device, 56 anode carbon blocks 1 of 600kA level electrolyzer configuration, electrolyzer 4 is along on the X axis direction; Both sides are provided with 28 anode carbon blocks 1 respectively up and down, and 2 anode carbon blocks of every row 1 constitute 1 group of anode carbon block 5, and 28 groups of anode carbon block group 5 are promptly arranged; It is the anode interval 2 of 180mm that spacing is arranged between the anode carbon block group 5; 7 anodes at interval 2 evenly are set in the electrolyzer 4, and at 7 anodes at interval in 2 the space, 2 are provided with 3 blanking points between second, the 4th and the 6th anode; Wherein near the blanking point of the both sides of electrolyzer for adding alumina raw material, the intermediary blanking point is the ALUMNIUM FLUORIDE feed point; All the other 4 anodes 2 are provided with 2 blanking points at interval, and these 4 blanking points all are to add alumina raw material.
The alumina eltrolysis slot device, 56 anode carbon blocks 1 of 600kA level electrolyzer configuration, electrolyzer 4 is along on the X axis direction; Both sides are provided with 28 anode carbon blocks 1 respectively up and down, and 4 anode carbon blocks of every row 1 constitute 1 group of anode carbon block 5, and 14 groups of anode carbon block group 5 are promptly arranged; It is the anode interval 2 of 180mm that spacing is arranged between the anode carbon block group 5; 7 anodes, 2,7 anodes at interval in 2 the space at interval evenly are set in the electrolyzer 4, and second, the 4th and the 6th anode 2 are provided with 3 blanking points at interval; Wherein near the blanking point of the both sides of electrolyzer for adding alumina raw material, the intermediary blanking point is the ALUMNIUM FLUORIDE feed point; All the other 4 anodes 2 are provided with 2 blanking points at interval, and these 4 blanking points all are to add alumina raw material.
The alumina eltrolysis slot device, 64 anodes 1 of 700kA level electrolyzer configuration, electrolyzer 4 is along on the X axis direction; Both sides are provided with 32 anodes 1 respectively up and down, and 2 anode carbon blocks of every row 1 constitute 1 group of anode carbon block 5, and 32 groups of anode carbon block group 5 are promptly arranged; The anode that between the anode carbon block group 58 spacings to be arranged be 180mm at interval 2; 8 anodes intervals 2 evenly are set in the electrolyzer 4, and in the space at 8 anodes intervals 2, wherein the 3rd, the 6th anode 2 is provided with 3 blanking points at interval; Wherein near the blanking point of the both sides of electrolyzer for adding alumina raw material, the intermediary blanking point is the ALUMNIUM FLUORIDE feed point; All the other 6 anodes 2 are provided with 2 blanking points at interval, and these blanking points all are provided with for the blanking aluminum oxide.
Embodiment 6
The alumina eltrolysis slot device, 64 anodes 1 of 700kA level electrolyzer configuration, electrolyzer 4 is along on the X axis direction; Both sides are provided with 32 anodes 1 respectively up and down, and 4 anode carbon blocks of every row 1 constitute 1 group of anode carbon block 5, and 16 groups of anode carbon block group 5 are promptly arranged; The anode that between the anode carbon block group 58 spacings to be arranged be 180mm at interval 2; 8 anodes intervals 2 evenly are set in the electrolyzer 4, and in the space at 8 anodes intervals 2, the 3rd, the 6th anode 2 is provided with 3 blanking points at interval; Wherein near the blanking point of the both sides of electrolyzer for adding alumina raw material, the intermediary blanking point is the ALUMNIUM FLUORIDE feed point; All the other 6 anodes 2 are provided with 2 blanking points at interval, and these blanking points all are provided with for the blanking aluminum oxide.
Claims (3)
1. alumina eltrolysis slot device; Comprise electrolyzer (4) and anode carbon block (1); Anode carbon block (1) is arranged in the electrolyzer (4) along the X rotational symmetry, it is characterized in that: every row anode carbon block (1) constitutes anode carbon block group (5), and anode (2) is at interval arranged between the anode carbon block group (5); 2 above anodes (2) at interval evenly are set in the electrolyzer (4), and anode is symmetrical set 2 ~ 3 blanking points (3) along X-direction in (2) at interval.
2. a kind of alumina eltrolysis slot device according to claim 1 is characterized in that: anode (2) at interval is provided with 6 ~ 8.
3. a kind of alumina eltrolysis slot device according to claim 1 and 2 is characterized in that: the described anode spacing of (2) at interval is 100 ~ 250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200307497U CN202465897U (en) | 2012-01-31 | 2012-01-31 | Alumina electrolysis bath device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200307497U CN202465897U (en) | 2012-01-31 | 2012-01-31 | Alumina electrolysis bath device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202465897U true CN202465897U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200307497U Expired - Lifetime CN202465897U (en) | 2012-01-31 | 2012-01-31 | Alumina electrolysis bath device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202465897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225089A (en) * | 2012-01-31 | 2013-07-31 | 贵阳铝镁设计研究院有限公司 | Alumina electrolysis bath device |
| CN104746106A (en) * | 2015-04-21 | 2015-07-01 | 中南大学 | Molten salt electrolysis method for preparing aluminum-scandium intermediate alloy |
-
2012
- 2012-01-31 CN CN2012200307497U patent/CN202465897U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225089A (en) * | 2012-01-31 | 2013-07-31 | 贵阳铝镁设计研究院有限公司 | Alumina electrolysis bath device |
| CN104746106A (en) * | 2015-04-21 | 2015-07-01 | 中南大学 | Molten salt electrolysis method for preparing aluminum-scandium intermediate alloy |
| CN104746106B (en) * | 2015-04-21 | 2017-02-22 | 中南大学 | Molten salt electrolysis method for preparing aluminum-scandium intermediate alloy |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |