CN200996054Y - Cathodic bus arrangement structure for superlarge aluminum electrolyzer - Google Patents
Cathodic bus arrangement structure for superlarge aluminum electrolyzer Download PDFInfo
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- CN200996054Y CN200996054Y CN 200620093233 CN200620093233U CN200996054Y CN 200996054 Y CN200996054 Y CN 200996054Y CN 200620093233 CN200620093233 CN 200620093233 CN 200620093233 U CN200620093233 U CN 200620093233U CN 200996054 Y CN200996054 Y CN 200996054Y
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Abstract
A distribution structure of negative bus bars on an oversized aluminum reduction cell consists of bus bars at the electric-inlet end, bus bars at the electric-outlet end, flexible negative bus bars at the electric-inlet end, flexible negative bus bars at the electric-outlet end, bus bars at the cell bottom and bus bars on the vertical pole. The utility model is characterized in that: (1) local compensation bus bars are provided, which extend to the cell bottom, extend out of the terminal of the electrolyser and are raised to a certain height; and (2) fifty-six flexible negative bus bars and six bus bars on the vertical pole are provided to supply power to the electrolyser.
Description
Technical field
The utility model belongs to the technical field of the current supply arrangement of aluminium cell, is specifically related to super-huge aluminium electrolytic cell cathode bus is advanced the technical scheme that improvement has been done in electric configuration.
Background technology
Follow the plant-scale maximization of electrolytic aluminum, the capacity of electrolyzer is increasing, to pursue most economical system configuration.The exploitation of large-scale aluminum electrolytic cell needs the cooperation of multinomial new technology, and in the middle of all these supporting technology, one of most important technology is electrolyzer hydromagnetic stability simulation technique and bus technology.Because maximization along with electrolyzer, bus magnetic field is obvious further to the stable influence of electrolyzer, and the quality of hydromagnetic stability design is produced by electrolyzer normally and the raising of production and technical indication all has very important influence, therefore, each big Chinalco and relevant scientific research, designing unit all take in the position that the design of electrolyzer hydromagnetic stability is placed on the most important thing in the world.
Up till now, Chinalco also once disclosed the busbar arrangement patented technology of some large scale electrolytic cells both at home and abroad, as United States Patent (USP) 3415724,4313811 and 4747611, Chinese patent application case 200410040408.8,200410040409.2 and Chinese patent 200420060106.2.General, the most of bus of the electricity input side of its aluminium cell all detours in the electrolyzer termination, compensates with the magnetic field to four angles in the groove.But because the balanced configuration of electrolyzer inner cathode, adopt to be equal to electric current four angles, electrolyzer termination of detouring and to compensate, though can play the compensating action in magnetic field for two bights of electricity output side with across corner magnetic field; But opposite effect then can be played in two bights for electricity input side.Although negative busbar changes to the process camber that electricity output side detours from electricity input side, owing to be subjected to the restriction of electrolyzer spatial, very difficult by the variation of bus height to play perfect compensation effect.
The utility model content
Designer of the present utility model is according to the technology trends of large-scale aluminum electrolytic cell, conscientiously sum up the experience and lessons of domestic and international large-scale aluminum electrolytic cell magnetic fluid design, by means of advanced person's computer software and incorporated the unique design theory, a kind of technical scheme to super-huge aluminium electrolytic cell cathode busbar arrangement improvement has been proposed.
The super-huge aluminium electrolytic cell cathode bus-bar collocation structure that the utility model proposed comprises electricity input side bus, electricity output side bus, electricity input side cathode soft bus, electricity output side cathode soft bus, bottom land bus and riser bus bar, it is characterized in that:
Other is provided with and is introduced into bottom land walked out and lifted to certain altitude again along the termination of electrolyzer local equalize's bus;
Adopt six roots of sensation riser bus bar to realize the power supply of aluminium cell.
Super-huge aluminium electrolytic cell cathode bus-bar collocation structure of the present utility model, when local equalize's bus was set, the compensation principle of being followed was: the weak compensation of bottom land, groove end compensates by force; Magnetic field by force then the compensation also strong, a little less than the magnetic field then the compensation also a little less than.
Super-huge aluminium electrolytic cell cathode bus-bar collocation structure of the present utility model, when adopting the power supply of six roots of sensation riser bus bar, the current division ratio example of 56 cathode soft bus that it connected is 10: 10: 8: 8: 10: 10; It also can be 9: 11: 8: 8: 11: 9.
Super-huge aluminium electrolytic cell cathode bus-bar collocation structure of the present utility model, said local equalize bus are when the end of electrolyzer is walked out, and the height that it lifts rises with the bottom land plane and is calculated as 550～750 millimeters.
Negative busbar configuration structure of the present utility model is made up of detour bus, bottom land bus, local equalize's bus, electricity output side bus, riser bus bar, electricity input side cathode soft bus and electricity output side cathode soft bus of electricity input side bus, termination.The cathode soft bus of electricity input side is pooled on the electricity input side bus, and the electricity input side bus carries out the transition to electricity output side and is connected on the riser bus bar by bottom land bus, termination detour bus and local equalize's bus.The cathode soft bus of electricity output side is pooled on the electricity output side bus, is connected on the riser bus bar, forms a super-huge electric tank cathode bus network like this.
The characteristics of negative busbar configuration structure of the present utility model are:
(A) adopt the weak compensation of bottom land, the theory of the strong compensation in termination, the bottom land small portion electric current of flowing through generally; Consider the characteristics that large scale electrolytic cell is long simultaneously and take into account electrobalance and the requirement of electrolyzer short circuit, electricity input side carries out the transition to electricity output side by the cathode soft bus at medium-sized position with the shortest distance, is connected on the riser bus bar; The balanced configuration physically of bottom land bus, but the strength of current difference of flowing through in the dependence bus realizes the symmetrical arrangements of bus, with the influence in bus magnetic field between the compensation adjacent vehicle.In the utility model, close at the bottom of half electrolytic bath of another cell room than crossing 1～2 cathode soft bus electric current away from multithread at the bottom of half electrolytic bath of another cell room, 1～2 cathode soft bus electric current is crossed in corresponding electrolyzer termination also multithread.
(B) owing to cell construction, can there be very big vertical magnetic field in four bights of aluminium liquid in the groove, and present the characteristics of reverse symmetry roughly.Can have very big vertical magnetic field for compensating arrisdefect portion to the full extent, save the aluminium busbar consumption again to greatest extent, this practical local equalize's bus at first enters bottom land, walks out along the electrolyzer termination again, lifts to certain height.Compensation is to greatest extent realized in the magnetic field in two bights that it can close on electrolyzer, to realize the uniform distribution of aluminium liquid internal magnetic field.
(C) super-huge electrolyzer of the present utility model adopts 22 groups of double anodes, and 28 groups of cathode sets (56 cathode soft bus) and electrolyzer sidepiece 6 root post buses are realized power supply.The radical that 6 root posts connect cathode soft bus is respectively 10; 10; 8; 8; 10 and 10 or 9; 11; 8; 8; 11 and 9.Such configuration both can be provided convenience for electrobalance design, can aid in again simultaneously to realize in the aluminium liquid being unlikely to occur excessive vertical magnetic field gradient than expecting Distribution of Magnetic Field stably.Two upright outsides that are positioned at limit portion anode group of limit portion, reduce the influence of pot shell thermal radiation column bus, and middle two root posts dispose three groups of anodes, and six roots of sensation column adopts non-equidistant configuration, for electrolyzer middle part and the stronger zone of thermal radiation provide bigger manual operation space.
Super-huge aluminum cell bus-bar configuration of the present utility model can be implemented under the situation that the aluminium busbar consumption do not increase, compensate aluminium liquid internal magnetic field to greatest extent, realize the uniform distribution in magnetic field, reach reduce investment outlay, stably manufactured, realize improving the purpose of productive capacity.
Description of drawings
Fig. 1 is the elevational schematic view of the bus-bar collocation structure of super-huge aluminium cell;
Fig. 2 is the floor map of this aluminum cell bus-bar collocation structure;
Fig. 3,4,5,6,7,8 is respectively bus-bar collocation structure facade and the floor map of embodiment 1,2,3.
Among the figure, 1 is the electricity input side bus; Bus detours in 2 terminations; 3 bottom land buses; 4 local equalize's buses; 5 electricity output side buses; 6 riser bus bars; 7 electricity input side cathode soft bus; 8 electricity output side cathode soft bus.
Specific implementation
Come super-huge aluminium electrolytic cell cathode bus-bar collocation structure of the present utility model is further described and replenishes below in conjunction with accompanying drawing.
As shown in Figure 1, 2, electrolyzer is realized power supply by 28 groups of cathode sets (56 cathode soft bus) and electrolyzer sidepiece 6 root post buses 6.The allocation proportion that 6 root posts connect cathode soft bus 1 is 10: 10: 8: 8: 10: 10 or 9: 11: 8: 8: 11: 9.Such configuration both can be provided convenience for electrobalance design, can aid in again simultaneously to realize in the aluminium liquid being unlikely to occur excessive vertical magnetic field gradient than expecting Distribution of Magnetic Field stably.Limit portion two root posts are positioned at the outside of limit portion anode group, reduce the influence of pot shell thermal radiation column bus, and middle two root posts dispose three groups of anodes, and six roots of sensation column adopts non-equidistant configuration, for electrolyzer middle part and the stronger zone of thermal radiation provide bigger manual operation space.Wherein, the electricity input side bus 1; Bus 2 detours in the termination; Bottom land bus 3; Local equalize's bus 4; Electricity output side bus 5; Riser bus bar 6; Electricity input side cathode soft bus 7; Electricity output side cathode soft bus 8.According to the concrete distribution of soft bus, soft bus and riser bus bar are coupled together by 1 to 8 these sidepieces or trench bottom bus.So just formed electrolytic bath bus structure on every side.
Because magnetic field, four bights is bigger in electrolyzer, generally be higher than 40 Gausses, so the electric current of passing by in the termination is big, must be compensated; And go out two bights of electrical measurement, because the resultant magnetic field is bigger, so must be compensated with bigger electric current in each bight of electricity output side.Here it is magnetic field is strong, compensation is strong; A little less than the magnetic field, the principle that compensation is weak.
This electrolyzer bus configuration structure is applied to large scale electrolytic cell has obtained good effect, only be set forth in the embodiment that operates on 360KA, 380KA and the 400KA aluminium cell below.
The configuration of embodiment 1:360KA electrolyzer bus
Shown in Fig. 3,4, local equalize's bus enters bottom land from electricity input side, extends out to outside the groove along the groove longitudinal axis then, rises to the height apart from bottom land outside surface 550mm respectively, carries out the transition to electricity output side again.6 root post bus current allocation proportions are: 10: 10: 8: 8: 10: 10.
The configuration of embodiment 2:380KA electrolyzer bus
Shown in Fig. 5,6, local equalize's bus enters bottom land from electricity input side, extends out to outside the groove before arriving the electrolyzer longitudinal axis, rises to the height apart from bottom land outside surface 650mm respectively, carries out the transition to electricity output side again.6 root post bus current allocation proportions are 9: 11: 8: 8: 11: 9.
The configuration of embodiment 3:400KA electrolyzer bus
Shown in Fig. 7,8, local equalize's bus enters bottom land from electricity input side, crosses the electrolyzer longitudinal axis and extends out to then outside the groove, rises to the height apart from bottom land outside surface 750mm respectively, carries out the transition to electricity output side again.6 root post bus current allocation proportions are: 10: 10: 8: 8: 10: 10.
Claims (4)
1. super-huge aluminium electrolytic cell cathode bus-bar collocation structure, comprise electricity input side bus, electricity output side bus, electricity input side cathode soft bus, electricity output side cathode soft bus, bottom land bus and riser bus bar, it is characterized in that: (A) be provided with local equalize's bus in addition, local equalize's bus at first enters bottom land, walk out along the termination of electrolyzer again, and lift to certain height; (B) adopt 56 cathode soft bus and 6 root post buses to realize electrolyzer with electricity.
2. by the described aluminium electrolytic cell cathode bus-bar collocation structure of claim 1, when it is characterized in that the power supply of six roots of sensation riser bus bar, its radical that connects cathode soft bus is respectively 10; 10; 8; 8; 10 and 10.
3. by the described aluminium electrolytic cell cathode bus-bar collocation structure of claim 1, when it is characterized in that the power supply of six roots of sensation riser bus bar, its radical that connects cathode soft bus is respectively 9; 11; 8; 8; 11 and 9.
4. by the described aluminium electrolytic cell cathode bus device of claim 1 structure, it is characterized in that the height that said local equalize bus lifts is 550-750mm when the electrolyzer end is walked out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620093233 CN200996054Y (en) | 2006-09-13 | 2006-09-13 | Cathodic bus arrangement structure for superlarge aluminum electrolyzer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200620093233 CN200996054Y (en) | 2006-09-13 | 2006-09-13 | Cathodic bus arrangement structure for superlarge aluminum electrolyzer |
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| CN200996054Y true CN200996054Y (en) | 2007-12-26 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838826A (en) * | 2010-05-20 | 2010-09-22 | 河南中孚实业股份有限公司 | Configuration method and configuration system of busbars on periphery of aluminum electrolysis cell with vertical electricity outlet |
| CN104242654A (en) * | 2014-09-30 | 2014-12-24 | 贵州大学 | Self-energy-getting method and structure of aluminum electrolysis cell pyroelectric sensor |
| CN105220179A (en) * | 2014-06-27 | 2016-01-06 | 沈阳铝镁设计研究院有限公司 | The method of attachment of a kind of vast capacity aluminum cell bus-bar |
| CN104694959B (en) * | 2015-04-03 | 2017-09-19 | 云南铝业股份有限公司 | A kind of free stop and start formula aluminium cell for being suitable for elasticity power supply |
| WO2017163162A1 (en) * | 2016-03-21 | 2017-09-28 | Dubai Aluminium Pjsc | Flexible electrical connector for electrolytic cell |
-
2006
- 2006-09-13 CN CN 200620093233 patent/CN200996054Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838826A (en) * | 2010-05-20 | 2010-09-22 | 河南中孚实业股份有限公司 | Configuration method and configuration system of busbars on periphery of aluminum electrolysis cell with vertical electricity outlet |
| CN105220179A (en) * | 2014-06-27 | 2016-01-06 | 沈阳铝镁设计研究院有限公司 | The method of attachment of a kind of vast capacity aluminum cell bus-bar |
| CN104242654A (en) * | 2014-09-30 | 2014-12-24 | 贵州大学 | Self-energy-getting method and structure of aluminum electrolysis cell pyroelectric sensor |
| CN104694959B (en) * | 2015-04-03 | 2017-09-19 | 云南铝业股份有限公司 | A kind of free stop and start formula aluminium cell for being suitable for elasticity power supply |
| WO2017163162A1 (en) * | 2016-03-21 | 2017-09-28 | Dubai Aluminium Pjsc | Flexible electrical connector for electrolytic cell |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071226 Termination date: 20100913 |