CN103205775B - Horizontal current-feed aluminum electrolysis cell electrode - Google Patents
Horizontal current-feed aluminum electrolysis cell electrode Download PDFInfo
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- CN103205775B CN103205775B CN201310151905.4A CN201310151905A CN103205775B CN 103205775 B CN103205775 B CN 103205775B CN 201310151905 A CN201310151905 A CN 201310151905A CN 103205775 B CN103205775 B CN 103205775B
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Abstract
The invention belongs to the technical field of aluminum electrolysis cell. The horizontal current-feed aluminum electrolysis cell electrode comprises a plurality of electrode units which are identical in structure, wherein each electrode unit comprises a conductive rod composed of a conductive bar and a conductive claw and an electrode block connected with the conductive rod; the electrode units are horizontally distributed in an electrolysis cell in the transverse direction, and are hung in the electrolysis cell through the conductive rods; the conductive surfaces of the electrode blocks are parallel; a liquid electrolyte layer is arranged between two adjacent electrode units; and the two electrode units at two ends of the electrode are respectively connected with an anode bus and a cathode bus. The horizontal current-feed aluminum electrolysis cell electrode disclosed by the invention is simple in power supply way and bus structure, and in comparison with the conventional electrode, the aluminum electrolysis cell electrode enhances stability in the electrolysis cell and prolongs the service life of the electrolysis cell, and facilitates change and maintenance of the electrode units.
Description
Technical field
The invention belongs to aluminium cell technical field, be specifically related to the electrode of aluminum electrolysis cell that a kind of level enters electricity.
Background technology
Its Faradaic current of current electrolysis aluminum i ndustry production-scale cell trend is vertical direction, and namely electric current vertically enters the dielectric substrate of electrolyzer, aluminium liquid layer from the anode of upper part of the electrolytic cell and is positioned at the negative electrode of bottom of electrolytic tank.There is following insoluble technical problem in this electrolytic tank electrode, one is to flow through the powerful electric current of hundreds thousand of amperes bottom electrolyzer molten bath, and bottom cathode, under the effect of electrochemical reaction, occurs expanding and damaged, and work-ing life is very low; Two is powerful electric currents that electrolyzer passes through, strong-electromagnetic field can be produced, in a cell, liquid aluminium is in bottom of electrolytic tank, and vertical current just can enter negative electrode after aluminium liquid layer, and the turnover goddess of lightning line structure of electrolyzer is complicated, produce the magnetic field of different directions, the magnetic field interaction that the magnetic field that wherein horizontal current produces can produce with the vertical current of aluminium liquid, makes aluminium liquid layer fluctuate, reduces Aluminium Electrolysis efficiency; Three is holes that electric tank cathode middle and lower part has for connection conductors, and this hole is the weakest link of electrolyzer fluid seepage; Four is that electrode vertical is placed, and the bubble of generation can be held in disperse, and therefore the pole span of adjacent electrode can not be too low, otherwise causes electrode corrosion and aluminium loss.
In addition, use the electrolyzer vertically entering electrode, the impact by electromagnetic field is large, and current efficiency is the highest can only reach about 95%, and bath voltage keeps about 4V that electric tank working just can be made to stablize, thus makes the electric energy efficiency of electrolyzer only have about 50%; In addition, vertically go out electrolyser anode conducting area large, yield per unit is low.
Chinese Patent Application No. 200810049240.5 provides a kind of horizontal current aluminium cell, by by negative electrode and anode water placing flat, make electric current not flow through at the bottom of aluminium liquid layer and molten bath, significantly can increase the life-span in aluminium output and molten bath, decrease the configuration of bus.But it also exists many weak points, relative to design of the present invention, also there is magnetic field harm large, energy-saving effect is not remarkable, and be not that each electrode can go out aluminium, busbar arrangement is many, and changes inconvenient, the problems such as busbar voltage drop is large.
Summary of the invention
The object of the invention is the problems for above-mentioned existence, provide a kind of and separate out the electrode of aluminum electrolysis cell that aluminium efficiency is high, power supply mode is simple, electromagnetic hazard is little, the simple level of busbar arrangement enters electricity.
For achieving the above object, the technical solution used in the present invention is:
A kind of level enters the electrode of aluminum electrolysis cell of electricity, be made up of multiple electrode unit, described electrode unit structure is all identical, the electrode block that electrode unit comprises conducting rod and links together with conducting rod, electrode unit is transverse horizontal arrangement and hangs in a cell by conducting rod, have liquid layer of electrolyte between adjacent two electrode units, two electrode units at the both ends of described electrode are connected with negative busbar with positive bar respectively.
Described electrode block is rectangular parallelepiped, is provided with the boss of band counterbore on the upside of electrode block, and electrode block adopts carbon materials to make, and the two sides, front and back of electrode block is conducting surface, and left and right sides and the coated on bottom side of electrode block are covered with temperature-resistant insulation layer.
The conducting surface of described electrode block becomes angle β to be 3 ° ~ 45 ° with vertical direction, make electrode block be slant setting, and the bubble produced in electrolytic process can not be opened in disperse, causes electrode corrosion and aluminium loss.
The conduction pawl that described conducting rod comprises current conducting rod and is made up of blade tooth and pawl beam, in the blade tooth intercalation electrode block of conduction pawl, the pawl beam of conduction pawl is fixedly connected with current conducting rod.
Described current conducting rod is made up of the aluminium bar of the first half and the rod iron of Lower Half, and described conduction pawl is made up of high temperature steel.
Adopt technique scheme, acquired beneficial effect is:
1, power supply mode is simple, and electromagnetic hazard is little.Transverse horizontal arranges multiple electrode unit in a cell, by by two electrode units at electrode both ends jointed anode bus and negative busbar respectively, in target unit immersion ionogen, realize powering in the form of a voltage, electric current does not need excessive, and the harm in magnetic field can reduce as much as possible.
2, brownout Be very effective, equipment output capacity is high.Pole span between adjacent two electrode units can regulable control in very little scope, reduce bath voltage simultaneously, in equipment running process, each electrode unit all separate out aluminium, substantially increase the output capacity of equipment.
3, bus is saved, good economy performance.Electrode unit between two electrode units of electrode tip is directly immersed in ionogen, saves connection bus, reduce busbar voltage drop simultaneously.
4, enter electric mode relative to traditional electrode, add the work-ing life of stability in electrolyzer and electrolyzer, the replacing of more convenient electrode unit and maintenance, structure is simple, easy to operate, has good benefit and effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of aluminium cell motor of the present invention.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the structural representation of electrode unit.
Fig. 4 is the right TV structure schematic diagram of Fig. 3.
Embodiment
See 1 be electrolyzer, 2 be current conducting rod in Fig. 1 ~ Fig. 4, figure, 3 be electrode block, 4 for conduction pawl, 5 be electrode fixed link, 6 be positive bar, 7 be negative busbar, 8 be aluminium bar, 9 be rod iron, 10 be blade tooth, 11 be pawl beam, 12 be through hole, 13 be boss, 14 be insulation layer, 15 be conducting surface, 16 for liquid layer of electrolyte.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As Fig. 1 ~ Fig. 4, a kind of level of the present invention enters the electrode of aluminum electrolysis cell of electricity, be made up of multiple electrode unit, and the structure of electrode unit is all identical, electrode unit comprises the conducting rod be made up of current conducting rod 2 and conduction pawl 4 and the electrode block 3 linked together with conducting rod, electrode unit is the arrangement in transverse horizontal in electrolyzer 1, and clamp conducting rod 4 by electrode fixed link 5 and make it be suspended in electrolyzer 1, the conducting surface 15 of electrode block 3 is all parallel to each other, liquid layer of electrolyte 16 is had between adjacent two electrode units, two electrode units at the both ends of electrode are connected with negative busbar 7 respectively at positive bar 6.
Described electrode block 3 is in rectangular parallelepiped, the boss 13 of band counterbore is provided with in the upside of electrode block 3, for fixedly inlaying with conducting rod, the two sides, front and back of electrode block 3 is conducting surface 15, the left and right sides of electrode block are coated with temperature-resistant insulation layer 14, electrode block adopts carbon materials to make, and conducting surface 15 and the vertical direction of electrode block 3 are angle β is 3 ° ~ 45 °.
Described current conducting rod 2 is made up of the aluminium bar 8 of the first half and the rod iron 9 of Lower Half, and be provided with the through hole 12 for fixing bus in the upper end of current conducting rod 2, described conduction pawl 4 includes blade tooth 10 and pawl beam 11, and conduction pawl 4 is made up of high temperature steel.
Principle of work of the present invention is: a kind of level enters the electrode of aluminum electrolysis cell of electricity, by multiple electrode unit successively horizontal cross is arranged, two electrode units at electrode two ends are connected with positive bar 6 and negative busbar 7 respectively, electrode unit between two electrode units at two ends immerses in liquid layer of electrolyte 16, power in the form of a voltage, electric current is made to be that level enters electric form, along with the growth of electrode working time, the consumption of electrode unit, by regulating electrode fixed link 5, adjust the spacing of adjacent two electrode units.The present invention can not only reduce strength of current, reduces the harm in magnetic field, and can reduce bath voltage, each electrode unit all can separate out aluminium, substantially increase the output capacity of equipment, can save connection bus simultaneously, reduces busbar voltage drop.
Claims (5)
1. a level enters electric electrode of aluminum electrolysis cell, comprise multiple electrode unit, it is characterized in that, described electrode unit structure is all identical, the electrode block that electrode unit comprises conducting rod and links together with conducting rod, electrode unit is transverse horizontal arrangement and hangs in a cell by conducting rod, and have liquid layer of electrolyte between adjacent two electrode units, two electrode units at the both ends of described electrode are connected with negative busbar with positive bar respectively.
2. level according to claim 1 enters the electrode of aluminum electrolysis cell of electricity, it is characterized in that, described electrode block is rectangular parallelepiped, the boss of band blind hole is provided with on the upside of electrode block, electrode block adopts carbon materials to make, the two sides, left and right of electrode block is conducting surface, and the two sides, front and back of electrode block and coated on bottom side are covered with temperature-resistant insulation layer.
3. level according to claim 2 enters the electrode of aluminum electrolysis cell of electricity, and it is characterized in that, the conducting surface of described electrode block becomes angle to be 3 ° ~ 45 ° with vertical direction.
4. level according to claim 1 enters the electrode of aluminum electrolysis cell of electricity, it is characterized in that, the conduction pawl that described conducting rod comprises current conducting rod and is made up of blade tooth and pawl beam, current conducting rod upper end is provided with the through hole for fixing bus, in the blind hole on the blade tooth intercalation electrode block top of conduction pawl, the pawl beam of conduction pawl is fixedly connected with current conducting rod.
5. level according to claim 4 enters the electrode of aluminum electrolysis cell of electricity, and it is characterized in that, described current conducting rod is made up of the aluminium bar of the first half and the rod iron of Lower Half, and described conduction pawl is made up of high temperature steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310151905.4A CN103205775B (en) | 2013-04-27 | 2013-04-27 | Horizontal current-feed aluminum electrolysis cell electrode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310151905.4A CN103205775B (en) | 2013-04-27 | 2013-04-27 | Horizontal current-feed aluminum electrolysis cell electrode |
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| CN103205775A CN103205775A (en) | 2013-07-17 |
| CN103205775B true CN103205775B (en) | 2015-04-15 |
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| CN201310151905.4A Active CN103205775B (en) | 2013-04-27 | 2013-04-27 | Horizontal current-feed aluminum electrolysis cell electrode |
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| CA2960165C (en) * | 2014-09-08 | 2019-06-11 | Alcoa Usa Corp. | Anode apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307466A (en) * | 2008-02-18 | 2008-11-19 | 河南中孚实业股份有限公司 | Horizontal current aluminium cell |
| CN101451249A (en) * | 2007-12-05 | 2009-06-10 | 沈阳铝镁设计研究院 | Method for eliminating horizontal current in aluminum cell aluminum liquor |
| CN201530870U (en) * | 2009-05-15 | 2010-07-21 | 高德金 | Aluminum electrolysis cell cathode conductive structure |
| CN101831671A (en) * | 2009-03-09 | 2010-09-15 | 高德金 | Novel cathode conductive structure for aluminum electrolysis cell |
| CN201864785U (en) * | 2010-10-19 | 2011-06-15 | 沈阳铝镁设计研究院有限公司 | Structure capable of greatly reducing horizontal current in aluminum liquid in aluminum electrolysis cell |
| CN203270052U (en) * | 2013-04-27 | 2013-11-06 | 郑州轻冶科技有限公司 | Horizontal power inlet aluminium cell electrode |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781773A (en) * | 2009-01-20 | 2010-07-21 | 沈阳铝镁设计研究院 | Horizontal electricity-outlet aluminium electrolytic bath cathode structure |
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- 2013-04-27 CN CN201310151905.4A patent/CN103205775B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451249A (en) * | 2007-12-05 | 2009-06-10 | 沈阳铝镁设计研究院 | Method for eliminating horizontal current in aluminum cell aluminum liquor |
| CN101307466A (en) * | 2008-02-18 | 2008-11-19 | 河南中孚实业股份有限公司 | Horizontal current aluminium cell |
| CN101831671A (en) * | 2009-03-09 | 2010-09-15 | 高德金 | Novel cathode conductive structure for aluminum electrolysis cell |
| CN201530870U (en) * | 2009-05-15 | 2010-07-21 | 高德金 | Aluminum electrolysis cell cathode conductive structure |
| CN201864785U (en) * | 2010-10-19 | 2011-06-15 | 沈阳铝镁设计研究院有限公司 | Structure capable of greatly reducing horizontal current in aluminum liquid in aluminum electrolysis cell |
| CN203270052U (en) * | 2013-04-27 | 2013-11-06 | 郑州轻冶科技有限公司 | Horizontal power inlet aluminium cell electrode |
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Address after: 450000 Henan Province, Zhengzhou high tech District, long road, No. Y03, building 1, unit 1, building 11 Patentee after: Zhengzhou light metallurgy Polytron Technologies Inc Address before: 450002, Fortune Plaza 32, three road, Jinshui District, Henan, Zhengzhou, 1304 Patentee before: Zhengzhou Qingye Technology Co., Ltd. |
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