CN105112940A - Anodic conductive device for aluminium electrolytic cell - Google Patents
Anodic conductive device for aluminium electrolytic cell Download PDFInfo
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- CN105112940A CN105112940A CN201510593956.1A CN201510593956A CN105112940A CN 105112940 A CN105112940 A CN 105112940A CN 201510593956 A CN201510593956 A CN 201510593956A CN 105112940 A CN105112940 A CN 105112940A
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- crossbeam
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Abstract
An anodic conductive device for an aluminium electrolytic cell comprises an anodic carbon block, wherein a steel claw is arranged at the top of the anodic carbon block; an aluminum guide rod is connected to the top of the steel claw; the steel claw comprises a crossbeam and a plurality of conductive claws arranged at the bottom of the crossbeam; the aluminum guide rod is welded on the crossbeam; the lower ends of the conductive claws are connected to the anodic carbon block; at least one through groove is formed in the crossbeam, penetrates the two long side surfaces of the crossbeam and is located above the conductive claws close to the aluminum guide rod and filled with an insulation material; and the insulation material prevents currents from directly flowing to the conductive claws closer to the aluminum guide rod, changes the flowing directions of the currents and enables the currents flowing through the conductive claws to be approximately equal. By the adoption of the anodic conductive device, the current distribution is more uniform, the voltage drop is reduced, the consumption of both the anodic carbon block and the steel claw is lowered, and the stability of the electrolytic cell is improved.
Description
Technical field
The present invention relates to technical field of aluminum electrolysis, particularly relate to a kind of anode electric-conducting device for aluminum electrolytic cell.
Background technology
The anode construction of electrolysis of aluminum mainly comprises anode carbon block, and the top of anode carbon block has steel pawl, and steel pawl comprises crossbeam and multiple conduction pawl, and conduction pawl is combined with anode carbon block by the cast of the phosphorus pig iron, and the top of crossbeam is connected to aluminium guide bar by steel al blasting block.When carrying out electrolytic reaction energising, electric current flows to crossbeam from aluminium guide bar, flowed towards charcoal block from crossbeam by conduction pawl again, because aluminium guide bar is different apart from the Distance geometry conductive path of each conduction pawl, then to conduct electricity pawl conductive current more smoothly larger in or path near with its distance, and it is less with the conduction pawl conductive current of its distance or tortuous path, in this case the current unevenness that flows through of each conduction pawl is even, affect the distribution of current of anode, unfavorable to the consumption of charcoal block and steel pawl, easily cause the inequality of electrolytic reaction.
Therefore, a kind of better aluminium electrolysis anode conductive structure of design is necessary, to solve the problem.
Summary of the invention
For prior art Problems existing, the invention provides one and utilize groove to change the sense of current, make the anode electric-conducting device for aluminum electrolytic cell of the uniform current flowing through each conduction pawl.
To achieve these goals, the present invention adopts following technical scheme:
A kind of anode electric-conducting device for aluminum electrolytic cell, comprise anode carbon block, the top of described anode carbon block is provided with steel pawl, the top of described steel pawl is connected with aluminium guide bar, described steel pawl comprises crossbeam and is located at the multiple conduction pawls bottom described crossbeam, described aluminium guide bar is welded on described crossbeam, the lower end of described conduction pawl is connected to described anode carbon block, described crossbeam offers at least one groove, described groove runs through two long side surfaces of described crossbeam, described groove is positioned at the top of the described conduction pawl near described aluminium guide bar, fills insulant in described groove.
Further, described crossbeam and described conduction pawl integrally casting shaping.
Further, described crossbeam and described conduction pawl are welded respectively by shaped steel.
Further, described groove is provided with one, and the length of described groove is greater than the minor increment between adjacent two described conduction pawls.
Further, described groove is provided with two, and the distance between two described grooves is less than the diameter of described aluminium guide bar.
Further, described groove is provided with two, and the distance between two described grooves is less than the distance between adjacent two described conduction pawls.
Further, described groove center is greater than its distance bottom described crossbeam to the distance of described cross rail top.
Further, the height of described groove is less than or equal to 15mm.
Further, described insulant is Special clay porcelain plate or plate mica silicon carbide chamotte, or simple silicon carbide chamotte.
Further, clog in described groove or pour into aluminum electrolyzing cell used ionogen.
Beneficial effect of the present invention:
Crossbeam is offered at least one groove running through crossbeam two long side surfaces, groove is positioned at the top of the conduction pawl near aluminium guide bar, insulant is filled in groove, insulant block current flow directly flows to and the nearer conduction pawl of aluminium guide bar distance, and what change electric current flows through direction, makes the electric current that flows through in multiple conduction pawl roughly equal, the distribution of current being beneficial to anode conducting device is more even, reduce pressure drop, reduce anode carbon block and the consumption of steel pawl, improve the stability of aluminium cell.
Accompanying drawing explanation
Fig. 1 is the frontview of anode electric-conducting device for aluminum electrolytic cell of the present invention;
Fig. 2 is the sectional view of A-A in Fig. 1;
Fig. 3 is the frontview of the anode electric-conducting device for aluminum electrolytic cell of another embodiment of the present invention;
In figure, 1-anode carbon block, 2-steel pawl, 21-crossbeam, 22-conduction pawl, 23-groove, 24-insulant, 3-aluminium guide bar, 4-steel aluminum explosive weld block.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As Fig. 1, anode electric-conducting device for aluminum electrolytic cell of the present invention comprises anode carbon block 1, and the top of anode carbon block 1 has steel pawl 2, and the top of steel pawl 2 is connected with aluminium guide bar 3.
As Fig. 1 and Fig. 2, aluminium guide bar 3 is welded in the top of steel pawl 2 by steel aluminum explosive weld block 4.Steel pawl 2 comprises crossbeam 21 and is located at the multiple conduction pawls 22 bottom crossbeam 21, and conduction pawl 22 is in column, and conduction pawl 22 is combined with anode carbon block 1 by the cast of the phosphorus pig iron.In the present embodiment, conduction pawl 22 has four, is uniformly distributed in the bottom of crossbeam 21, and wherein two conduction pawls 22 of inner side conduct electricity pawls 22 closer to aluminium guide bar 3 relative to two of outside.Preferably, crossbeam 21 is welded respectively by shaped steel with conduction pawl 22, and make the material of steel pawl 2 good by shaped steel welding, resistivity is lower.Can certainly be that crossbeam 21 is shaping with conduction pawl 22 integrally casting.
As Fig. 1, crossbeam 21 offers at least one groove 23 running through crossbeam 21 two long side surfaces, namely run through horizontal fore-and-aft direction, groove 23 is positioned at the top of the conduction pawl 22 near aluminium guide bar 3, and namely groove 23 is positioned at the top of two conduction pawls 22 of inner side.Insulant 24 is filled in groove 23, insulant 24 block current flow directly flows to the conduction pawl 22 of inner side, what change electric current flows through direction, make the electric current that flows through in multiple conduction pawl 22 roughly equal, the distribution of current being beneficial to anode conducting device is more even, reduce pressure drop, reduction anode carbon block 1 and steel pawl 2 consume, and improve the stability of electrolyzer.
As Fig. 1, in the present embodiment, groove 23 is provided with two, lay respectively at the top of the conduction pawl 22 near aluminium guide bar 3, namely the top of two conduction pawls 22 of inner side is positioned at, distance between two grooves 23 is less than the distance between two conduction pawls 22, make two conduction pawls 22 of inner side, namely near two conduction pawls 22 of aluminium guide bar 3, between passage width less, the path that electric current flows through also narrows, electric current then flows to the conduction pawl 22 in outside path by its both sides is wider, in making, the conduction pawl 22 in outside can by roughly equal electric current, overall electric current is evenly distributed.Distance between two grooves 23 is less than the diameter of aluminium guide bar 3, prevents the electric current flowing through aluminium guide bar 3 from directly just flowing on the conduction pawl 22 of inner side.
As Fig. 3, in another embodiment, groove 23 is provided with one, be positioned at the top of two conduction pawls 22 of inner side, the length of groove 23 is greater than the distance between adjacent two conduction pawls 22, and the path that two of inner side conduction pawl 22 electric currents are flow through is more tortuous, streamline has some setbacks, and conduction pawl 22 current flowing in relative outside is more smooth and easy, make the conduction pawl 22 of medial and lateral can by roughly equal electric current, overall electric current be evenly distributed.
As Fig. 2, preferably, groove 23 center is greater than its distance bottom crossbeam 21 to the distance at crossbeam 21 top.
The height of groove 23 is less than or equal to 15mm, wherein be filled with insulant 24, insulant 24 is Special clay porcelain plate or plate mica silicon carbide chamotte, also can be simple silicon carbide chamotte, even can clog in groove 23 or pour into aluminum electrolyzing cell used ionogen.
Above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those skilled in the art are to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in right of the present invention.
Claims (10)
1. an anode electric-conducting device for aluminum electrolytic cell, comprise anode carbon block, the top of described anode carbon block is provided with steel pawl, the top of described steel pawl is connected with aluminium guide bar, described steel pawl comprises crossbeam and is located at the multiple conduction pawls bottom described crossbeam, described aluminium guide bar is welded on described crossbeam, the lower end of described conduction pawl is connected to described anode carbon block, it is characterized in that: described crossbeam offers at least one groove, described groove runs through two long side surfaces of described crossbeam, described groove is positioned at the top of the described conduction pawl near described aluminium guide bar, insulant is filled in described groove.
2. anode electric-conducting device for aluminum electrolytic cell according to claim 1, is characterized in that: described crossbeam and described conduction pawl integrally casting shaping.
3. anode electric-conducting device for aluminum electrolytic cell according to claim 1, is characterized in that: described crossbeam and described conduction pawl are welded respectively by shaped steel.
4. anode electric-conducting device for aluminum electrolytic cell according to claim 1, is characterized in that: described groove is provided with one, and the length of described groove is greater than the minor increment between adjacent two described conduction pawls.
5. anode electric-conducting device for aluminum electrolytic cell according to claim 1, is characterized in that: described groove is provided with two, and the distance between two described grooves is less than the diameter of described aluminium guide bar.
6. anode electric-conducting device for aluminum electrolytic cell according to claim 1, is characterized in that: described groove is provided with two, and the distance between two described grooves is less than the distance between adjacent two described conduction pawls.
7. anode electric-conducting device for aluminum electrolytic cell according to claim 1, is characterized in that: described groove center is greater than its distance bottom described crossbeam to the distance of described cross rail top.
8. anode electric-conducting device for aluminum electrolytic cell according to claim 1, is characterized in that: the height of described groove is less than or equal to 15mm.
9. anode electric-conducting device for aluminum electrolytic cell according to claim 1, is characterized in that: described insulant is Special clay porcelain plate or plate mica silicon carbide chamotte, or simple silicon carbide chamotte.
10. anode electric-conducting device for aluminum electrolytic cell according to claim 1, is characterized in that: clog in described groove or pour into aluminum electrolyzing cell used ionogen.
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| CN201510593956.1A CN105112940A (en) | 2015-09-16 | 2015-09-16 | Anodic conductive device for aluminium electrolytic cell |
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| CN201510593956.1A CN105112940A (en) | 2015-09-16 | 2015-09-16 | Anodic conductive device for aluminium electrolytic cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142499A (en) * | 2017-05-04 | 2017-09-08 | 江西华正新技术有限公司 | Electrolytic anode and preparation method thereof |
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| CN202047141U (en) * | 2011-04-15 | 2011-11-23 | 湖南中大业翔科技有限公司 | Non-uniformly conductive cathode structure for aluminum electrolytic cell |
| CN103510116A (en) * | 2012-06-29 | 2014-01-15 | 沈阳铝镁设计研究院有限公司 | Anode guide rod and steel claw structure |
| CN103774181A (en) * | 2012-10-23 | 2014-05-07 | 贵阳铝镁设计研究院有限公司 | Negative pole steel bar structure having effects of preventing erosion and inhibiting horizontal current |
| CN203923400U (en) * | 2014-05-14 | 2014-11-05 | 湖南创元铝业有限公司 | Reduce the aluminium electrolysis cathode structure of aluminum liquid horizontal electric current |
| CN104250830A (en) * | 2013-06-28 | 2014-12-31 | 沈阳铝镁设计研究院有限公司 | Cathode structure capable of saving energy and homogenizing horizontal current in molten aluminium |
| CN204417618U (en) * | 2015-02-02 | 2015-06-24 | 武汉大学 | A kind of aluminium electrolysis anode guide rod coupling device |
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2015
- 2015-09-16 CN CN201510593956.1A patent/CN105112940A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202047141U (en) * | 2011-04-15 | 2011-11-23 | 湖南中大业翔科技有限公司 | Non-uniformly conductive cathode structure for aluminum electrolytic cell |
| CN103510116A (en) * | 2012-06-29 | 2014-01-15 | 沈阳铝镁设计研究院有限公司 | Anode guide rod and steel claw structure |
| CN103774181A (en) * | 2012-10-23 | 2014-05-07 | 贵阳铝镁设计研究院有限公司 | Negative pole steel bar structure having effects of preventing erosion and inhibiting horizontal current |
| CN104250830A (en) * | 2013-06-28 | 2014-12-31 | 沈阳铝镁设计研究院有限公司 | Cathode structure capable of saving energy and homogenizing horizontal current in molten aluminium |
| CN203923400U (en) * | 2014-05-14 | 2014-11-05 | 湖南创元铝业有限公司 | Reduce the aluminium electrolysis cathode structure of aluminum liquid horizontal electric current |
| CN204417618U (en) * | 2015-02-02 | 2015-06-24 | 武汉大学 | A kind of aluminium electrolysis anode guide rod coupling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107142499A (en) * | 2017-05-04 | 2017-09-08 | 江西华正新技术有限公司 | Electrolytic anode and preparation method thereof |
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Application publication date: 20151202 |