CN204434741U - For weakening the bus wire structures in bus magnetic field, electrolyzer termination - Google Patents
For weakening the bus wire structures in bus magnetic field, electrolyzer termination Download PDFInfo
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- CN204434741U CN204434741U CN201520033516.6U CN201520033516U CN204434741U CN 204434741 U CN204434741 U CN 204434741U CN 201520033516 U CN201520033516 U CN 201520033516U CN 204434741 U CN204434741 U CN 204434741U
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Abstract
For weakening the bus wire structures in bus magnetic field, electrolyzer termination, to overcome the high and shortcoming of every annual operating cost of the existing peripheral hardware equalizing network cost for weakening bus magnetic field, electrolyzer termination.Comprise six bus groups with long limit and minor face, the long limit of each bus group is parallel to each other and is disposed adjacent successively from outside to inside, its minor face parallel interval is arranged, one end vertical connection of its corresponding minor face of one end difference on the long limit of the first five bus group, the long limit of bus group six disconnects mutually with its minor face, forms long limit open end and minor face open end; Also comprise auxiliary bus bar, auxiliary bus bar comprise vertical connection successively first, second, third and fourth, five buses, first bus connects with long limit open end, its direction of circling is along the long side direction of bus group six, the minor face of the second bus and bus group six in the same way, triple bus-bar marches to the right side of bus group six minor face, and the 4th bus is parallel with bus group six minor face, and the 5th bus is connected with minor face open end; Be applicable to reduce bus magnetic field.
Description
Technical field
The utility model relates to a kind of electrolyzer bus wire structures, especially a kind of bus structure that detours for eliminating bus magnetic field, electrolyzer termination.
Background technology
What the electrolyzer of aluminium manufacturer of our company adopted is 360kA level aluminium cell, is altogether provided with 206 electrolyzers, is divided into two groups to be in series, and every platform groove can open circuit separately, and does not affect other electric tank workings.As shown in Figure 1, be provided with 6 groups of (12) buses outside each electrolyzer being positioned at termination, often organize in bus and be provided with two buses be arranged in parallel, each group bus be L-type setting, and wherein the direction of arrow is the sense of current.But due to design defect, cause 2056#, 1103#, 2103# electrolyzer to be subject to the impact in later bus magnetic field, cause horizontal current in electrolyzer too high, hydromagnetic stability is poor, and production voltage must remain on 4.8V and could maintain production.And 4.8V voltage is higher than normal more than bath voltage 0.8V, make nearly 20,000 degree of Multifunctional electric every day, 3 electrolyzers more than a year with 5,000,000 degree of electricity, and unstable, efficiency is low, be forced to stop groove after 1 year in production.But after stopping groove, 3 every annual meetings of short circuit mouth for electrolytic bath pressure drop bring the loss of 3,000,000 degree of electricity, bring huge financial loss equally.
And the mode of conventional additional equalizing network reduces the impact of magnetic field on electrolyzer in prior art, peripheral hardware equalizing network newly increases a set of commutation system and reverse bus exactly, and commutation system facility investment 7,470,000 yuan, simultaneously annual working cost 3,500,000 yuan.One-time investment amount is large, and every annual operating cost is high.Therefore need a kind of new bus wire structures badly to weaken bus magnetic field, electrolyzer termination, reduce the impact of this magnetic field on electrolyzer.
Utility model content
Technical problem to be solved in the utility model overcomes the with high costs and shortcoming of every annual operating cost of the existing peripheral hardware equalizing network for weakening bus magnetic field, electrolyzer termination, provides a kind of bus wire structures for weakening bus magnetic field, electrolyzer termination.
The utility model solves the technical scheme that its technical problem adopts: for weakening the bus wire structures in bus magnetic field, electrolyzer termination, comprise bus group one, bus group two, bus group three, bus group four, bus group five and bus group six, often organize bus group and all comprise two buses arranged side by side, each bus group comprises long limit and minor face, the long limit of each bus group is parallel to each other and is disposed adjacent successively from outside to inside, its minor face parallel interval is arranged, bus group one, bus group two, bus group three, bus group four, one end vertical connection of its corresponding minor face of one end difference on each the long limit in bus group five, the long limit of bus group six disconnects mutually with its minor face, form long limit open end and minor face open end, also comprise auxiliary bus bar, auxiliary bus bar comprises the first bus of vertical connection successively, second bus, triple bus-bar, 4th bus and the 5th bus, described first bus connects with the long limit open end of bus group six, and its direction of circling is along the long limit direction of circling of bus group six, the minor face of the second bus and bus group six in the same way, and between the minor face of bus group four and bus group five, triple bus-bar is via the right side marching to bus group six minor face above the minor face of bus group five and bus group six, 4th bus and bus group six minor face be arranged in parallel, 5th bus is connected with the minor face open end of bus group six.
Concrete, the bus of described each bus group is the aluminium busbar of 550mm*220mm.
Concrete, the aluminium busbar of described auxiliary bus bar to be length the be 550mm*220mm of 28m.
Further, the length of described second bus is 5660mm, and the length of triple bus-bar is 6812mm, and the length of the 4th bus is 5160mm.
Further, the distance at the long back gauge electrolyzer center of described bus group six is 10660mm, and the 5th bus is 10160mm apart from the distance at electrolyzer center.
The beneficial effects of the utility model are: structure is simple, does not need to set up commutation system, one-time investment, does not increase working cost, with low cost, easy handling, high safety, effectively weaken bus magnetic field, electrolyzer termination according to the superposition in magnetic field and the principle of counteracting.The utility model is applicable to the impact reducing bus magnetic field, electrolyzer termination.
Accompanying drawing explanation
Fig. 1 is electrolyzer bus structural representation of the prior art;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is that X of the present utility model is to Distribution of Magnetic Field figure;
Fig. 4 is Y-direction Distribution of Magnetic Field figure of the present utility model;
Fig. 5 is Z-direction Distribution of Magnetic Field figure of the present utility model;
Wherein, 10 is electrolyzer, and 1 be bus group one, 2 be bus group two, 3 be bus group three, 4 be bus group four, 5 be bus group five, 6 be bus group six, 71 is the first bus, and 72 is the second bus, and 73 is triple bus-bar, and 74 is the 4th bus, and 75 is the 5th bus.
Embodiment
Below in conjunction with accompanying drawing, describe the technical solution of the utility model in detail.
As shown in Figure 2, wherein the direction of arrow is the sense of current, bus wire structures for weakening bus magnetic field, electrolyzer termination of the present utility model, it is characterized in that, comprise bus group 1, bus group 22, bus group 33, bus group 44, bus group 55 and bus group 66, often organize bus group and all comprise two buses arranged side by side, each bus group comprises long limit and minor face, namely each bus group is that L-type is arranged, the long limit of each bus group is parallel to each other and is disposed adjacent successively from outside to inside, its minor face parallel interval is arranged, bus group 1, bus group 22, bus group 33, one end vertical connection of the one end on each the long limit in bus group 44 and bus group 55 its corresponding minor face respectively, the long limit of bus group 66 disconnects mutually with its minor face, form long limit open end and minor face open end,
Also comprise auxiliary bus bar, auxiliary bus bar comprises the first bus 71 of vertical connection successively, second bus 72, triple bus-bar 73, 4th bus 74 and the 5th bus 75, described first bus 71 connects with the long limit open end of bus group 66, and its direction of circling is along the long limit direction of circling of bus group 66, the minor face of the second bus 72 and bus group 66 in the same way, and between the minor face of bus group 44 and bus group 55, triple bus-bar 73 is via the right side marching to bus group 66 minor face above the minor face of bus group 55 and bus group 66, 4th bus 74 be arranged in parallel with bus group 66 minor face, 5th bus 75 is connected with the minor face open end of bus group 66.
The former bus structure of electrolyzer of aluminium manufacturer such as to be arranged as at the electric resistance structure, adopts the aluminium busbar 12 of 550mm*220mm, 2 modes being one group 6 and entering electricity.The utility model is according to the superposition in magnetic field and the principle of counteracting, and namely the direction in magnetic field is vector value, and when direction is identical, magnetic field strengthens, the field weakening when direction is contrary.On long limit near bus group six place of electrolyzer end, increase the 550mm*220mm auxiliary bus bar of 28m, interface all adopts aluminium liquid cast, forms Back Word layout, and under not power-off condition, disconnection bus group six.Allow the electric current of bus group six detour in three-back-shaped interior auxiliary bus bar after a circle go out from initial point again.Key point is that long limit open end and minor face open end are the closer to size near the number decision weakened field of electrolyzer distance of bus group six and three-back-shaped auxiliary bus bar.
In order to realize the effect of best weakened field, the length of described second bus 72 is 5660mm, the length of triple bus-bar 73 is 6812mm, the length of the 4th bus 74 is 5160mm, the distance at the long back gauge electrolyzer center of bus group 66 is 10660mm, and the 5th bus 75 is 10160mm apart from the distance at electrolyzer center.Its X, Y, Z-direction Distribution of Magnetic Field figure are respectively as shown in Fig. 3,4,5.Magnetic field data table is as shown in table 1, and the Data Comparison table after adopting retrofit scheme of the present utility model and before not transforming is as shown in table 2.
Table 1 end tank bus of the present utility model magnetic field calculation result table
| Characteristic parameter title | Unit | Magnetic field result |
| |Bx|ave | GS | 68.74 |
| |Bx|max | GS | 180.00 |
| |By|ave | GS | 7.98 |
| |By|max | GS | 37.30 |
| |Bz|ave | GS | 10.19 |
| |Bz|max | GS | 30.26 |
| |B Z| ave1 | GS | 2.21 |
| |B Z| ave2 | GS | 19.53 |
| |B Z| ave3 | GS | 20.08 |
| |B Z| ave4 | GS | 3.06 |
| Bz greatest gradient value | Unit | 3.82 |
Table 2 end tank bus magnetic field Comparative result table
| Parameter | Before not transforming | After transformation |
| |Bx|ave | 68.74 | 68.74 |
| |Bx|max | 179.98 | 180.00 |
| |By|ave | 7.48 | 7.98 |
| |By|max | 38.11 | 37.30 |
| |Bz|ave | 15.23 | 10.19 |
| |Bz|max | 35.59 | 30.26 |
| |B Z| ave1 | 6.52 | 2.21 |
| |B Z| ave2 | 25.13 | 19.53 |
| |B Z| ave3 | 23.53 | 20.08 |
| |B Z| ave4 | 5.97 | 3.06 |
| Bz greatest gradient | 3.89 | 3.82 |
The principal element affecting electrolyzer horizontal current size is determined by the mean value in Z-direction magnetic field.As can be seen from the above table, former scheme Z-direction magnetic field average | Bz|ave=15.23, after transformation is | Bz|ave=10.19, have dropped 5GS, reaches the requirement that electrolyzer normally produces 10GS.
After transformation by the utility model technology, company 2056,1103,2103# electrolyzer normally produces 1 year, produce steadily, bath voltage on average remains on about 4.1V, reduces 0.6-0.8V before not transforming, cost-saving at, increase yield.
Claims (5)
1. for weakening the bus wire structures in bus magnetic field, electrolyzer termination, it is characterized in that, comprise bus group one (1), bus group two (2), bus group three (3), bus group four (4), bus group five (5) and bus group six (6), often organize bus group and all comprise two buses arranged side by side, each bus group comprises long limit and minor face, the long limit of each bus group is parallel to each other and is disposed adjacent successively from outside to inside, its minor face parallel interval is arranged, bus group one (1), bus group two (2), bus group three (3), one end vertical connection of the one end on each the long limit in bus group four (4) and bus group five (5) its corresponding minor face respectively, the long limit of bus group six (6) disconnects mutually with its minor face, form long limit open end and minor face open end,
Also comprise auxiliary bus bar, auxiliary bus bar comprises first bus (71) of vertical connection successively, second bus (72), triple bus-bar (73), 4th bus (74) and the 5th bus (75), described first bus (71) connects with the long limit open end of bus group six (6), and its direction of circling is along the long limit direction of circling of bus group six (6), the minor face of the second bus (72) and bus group six (6) in the same way, and between the minor face being positioned at bus group four (4) and bus group five (5), triple bus-bar (73) is via the right side marching to bus group six (6) minor face above the minor face of bus group five (5) and bus group six (6), 4th bus (74) and bus group six (6) minor face be arranged in parallel, 5th bus (75) is connected with the minor face open end of bus group six (6).
2. as claimed in claim 1 for weakening the bus wire structures in bus magnetic field, electrolyzer termination, it is characterized in that, the bus of described each bus group is the aluminium busbar of 550mm*220mm.
3. as claimed in claim 2 for weakening the bus wire structures in bus magnetic field, electrolyzer termination, it is characterized in that, the aluminium busbar of described auxiliary bus bar to be length the be 550mm*220mm of 28m.
4. as claimed in claim 1 for weakening the bus wire structures in bus magnetic field, electrolyzer termination, it is characterized in that, the length of described second bus (72) is 5660mm, the length of triple bus-bar (73) is 6812mm, and the length of the 4th bus (74) is 5160mm.
5. as claimed in claim 4 for weakening the bus wire structures in bus magnetic field, electrolyzer termination, it is characterized in that, the distance at the long back gauge electrolyzer center of described bus group six (6) is 10660mm, and the 5th bus (75) is 10160mm apart from the distance at electrolyzer center.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520033516.6U CN204434741U (en) | 2015-01-19 | 2015-01-19 | For weakening the bus wire structures in bus magnetic field, electrolyzer termination |
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| CN201520033516.6U CN204434741U (en) | 2015-01-19 | 2015-01-19 | For weakening the bus wire structures in bus magnetic field, electrolyzer termination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018234946A1 (en) * | 2017-06-22 | 2018-12-27 | Dubai Aluminium Pjsc | Electrolysis plant using the hall-héroult process, with vertical magnetic field compensation |
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- 2015-01-19 CN CN201520033516.6U patent/CN204434741U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018234946A1 (en) * | 2017-06-22 | 2018-12-27 | Dubai Aluminium Pjsc | Electrolysis plant using the hall-héroult process, with vertical magnetic field compensation |
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