CN202643861U - Five-point power-on busbar configuration structure of aluminum electrolytic cell - Google Patents
Five-point power-on busbar configuration structure of aluminum electrolytic cell Download PDFInfo
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- CN202643861U CN202643861U CN 201220288030 CN201220288030U CN202643861U CN 202643861 U CN202643861 U CN 202643861U CN 201220288030 CN201220288030 CN 201220288030 CN 201220288030 U CN201220288030 U CN 201220288030U CN 202643861 U CN202643861 U CN 202643861U
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Abstract
The utility model discloses a five-point power-on busbar configuration structure of an aluminum electrolytic cell. The five-point power-on busbar configuration structure is provided with five power-on side upright busbars and five power-off side upright busbars, wherein the five power-on side upright busbars are connected with two groups of anode large busbars of an upper structure of the electrolytic cell, and the two groups of anode large busbars are respectively connected with 20 groups of anodes, 20 groups of cathode carbon blocks and 20 groups of cathode steel rods. 20 groups of cathode soft busbars (1) are connected with a power-on side cathode busbar (2) at a flue end, a middle power-on side cathode busbar (4) and a power-on side cathode busbar (5) at an aluminum outlet end on the power-on side by being welded with the cathode steel rods and are respectively connected with five upright busbars (11) of a downstream tank through lateral busbars (7) on two sides of the aluminum electrolytic cell and a penetrating busbar (8) at the bottom of the aluminum electrolytic cell. 20 groups of cathode soft busbars (9) on the power-off side are connected with a power-off cathode busbar (10) by being welded with the cathode steel rods, and the power-off side cathode busbars are connected with five upright busbars (11) of the downstream tank by horizontally folding or vertically folding busbars.
Description
Technical field
The utility model relates to a kind of large-scale aluminum electrolytic cell hydromagnetic stability bus-bar collocation structure, is specifically related to a kind of five power-on aluminum cell bus-bar collocation structure.
Background technology
Along with the development of China's aluminium industrial production technology, the potline current intensity of modern large-scale aluminum electrolytic cell increases just day by day, and according to the description of Faraday's law, when other conditions equated, magnetic field will increase with the increase of electric current.And the electromagnetic force that the melt Interaction Law of Electric Current produces in the magnetic field that the production electric current of electrolyzer produces and the electrolyzer makes in the groove melt circulation accelerate, and causes liquid aluminum generation protuberance, deflection and fluctuation, even may affect electrolyzer and can not normally produce.Therefore in order to realize the stable of electrolyzer magnetic fluid, around the groove busbar require affect electrolyzer production stable important factor---groove internal magnetic field distribution character (requires magnetic field value little, gradient is little) become even more important, and must accomplish also that in the design of bus section (electric physical field) bus-bar system various piece distribution of current is even, with prevent because of electrolyzer anode and cathode distribution of current inhomogeneous, make groove internal magnetic field distribution curve produce drift, cause the interface of melt in the electrolyzer to be fluctuateed, have a strong impact on the normal production of electrolyzer.
In the large-scale design of giving the roasting groove, because the needs of engineering and reducing investment outlay, will consider that usually two row's electrolyzers produce series as one, and two row's electrolyzers can not be at a distance of too far away.Therefore around electrolytic bath, in the busbar system design, must consider the current affects of adjacent row slot, thereby so that electrolyzer flue side and to go out the magneticstrength of aluminium side compensation different, institute's strength of current of walking is also different.Take the electrolyzer medullary ray as the boundary, the left and right sides of electricity input side bus and electricity output side bus is as adopting identical busbar arrangement and specification, not only can cause the field compensation dynamics inadequate, and can produce Biased flow phenomenon, change the flow condition of the interior magnetic properties of groove and melt, cause electrolyzer stability to wreck, bring very big harm to production operation.
Summary of the invention
The purpose of this utility model is, the five power-on aluminum cell bus-bar collocation structure is provided, this structure can obtain good field compensation effect, can save again groove bus consumption on every side, thereby the field compensation dynamics that overcomes the prior art existence is inadequate, produce Biased flow phenomenon, change the flow condition of magnetic properties and melt in the groove, cause that electrolyzer stability wrecks and wait deficiency.
The utility model is by the following technical solutions: 5 electricity input side riser bus bars, 5 electricity output side riser bus bars are set; 5 electricity input side riser bus bars are connected with 2 groups of anode large bus bars of groove superstructure, and 2 groups of anode large bus bars are connected with 20 groups of anodes, 20 groups of cathode carbon pieces and 20 groups of cathode steel bars respectively; , and walk bus by electrolyzer two side channel sidepiece buses, bottom land and be connected with 5 root post buses of downstream slot respectively by being connected flue end electricity input side negative busbar, middle electricity input side negative busbar, aluminium inlet electricity input side negative busbar with 20 groups of cathode soft bus of cathode steel bar welding at electricity input side; Be connected the electricity output side negative busbar at electricity output side by 20 groups of cathode soft bus with the cathode steel bar welding, the negative busbar of electricity output side is connected with 5 root post buses of downstream slot by bus horizontal folding or vertical folding.
The cathode soft bus quantity that flue end is connected with the electricity input side bus is 9,8 of the cathode soft bus quantity that aluminium inlet is connected with the electricity input side bus.
When electrolyzer is produced, galvanic current enters respectively the 5 root post buses of this groove from the upstream electrolyzer, electric current enters on the anode large bus bar of groove superstructure by riser bus bar, be redistributed to and respectively organize anode, then flow through melt dielectric substrate in the groove, the aluminium liquid layer, and cathode carbon pieces, behind the cathode steel bar, import flue end electricity input side negative busbar by the electricity input side cathode soft bus with the cathode steel bar welding, middle electricity input side negative busbar, aluminium inlet electricity input side negative busbar, walk the 5 root post buses that bus imports respectively downstream slot by groove side bus or bottom land again, also flow out by cathode soft bus at the electricity output side bus, through also importing respectively 5 root post buses of downstream slot behind the negative busbar of electricity output side.
Following characteristics is arranged in above-described formation:
1) 5 root post buses and 40 negative busbars are set, pass in and out electric both sides electric current symmetrical distribution.Negative busbar on the 5 root post buses is by being 8 into and out of the soft bus addition sum of electric side is identical.
2) negative busbar of electrolyzer electricity input side and groove side bus adopt large section, and make the intermediate column bus of the current direction downstream slot at electricity input side electrolyzer two ends; The termination riser bus bar of the current direction downstream slot at electricity input side middle part; The center stand column bus of the current direction downstream slot of middle portion electricity input side bus;
3) negative busbar of electrolyzer electricity output side adopts light section, and makes the termination riser bus bar of the current direction downstream slot at electricity output side electrolyzer two ends; The intermediate column bus of the current direction downstream slot at electricity output side middle part, the center stand column bus of the current direction downstream slot in the middle of the electricity output side.
The utility model is compared with original cell technologies, by the equidistant busbar arrangement of current path, the weak compensation of negative busbar bottom land, the riser bus bar geometric ratio is advanced electricity, advance, the electricity output side negative busbar adopts multilayer bus symmetrical arrangements, the electricity output side negative busbar also adopts the mode of bus horizontal folding or vertical folding to increase it to structures such as downstream slot riser bus bar distances, to reach best electricity, magnetic, the fluid characteristics relation of matching, make large pre-baked cell obtain rational groove internal magnetic field and distribute and stable melt flow field, thereby guarantee stablizing and higher current efficiency of electrolyzer production process.In addition in this negative busbar configuration structure, the bus bar when all electricity input side negative busbars are normal production, short-circuit busbar when being short circuit again, and during with normal production electric current move towards identical.This is not only minimum to the influence on system operation of vicinity electrolyzer when single electrolyzer stops groove, and has saved the bus consumption.
Description of drawings
Fig. 1 is synoptic diagram of the present utility model.Left end is flue end among the figure, and right-hand member is aluminium inlet, and downside is electricity input side, and upside is electricity output side.
Embodiment:
Embodiment of the present utility model: 5 electricity input side riser bus bars, 5 electricity output side riser bus bars are set, and namely are that upstream electrolyzer, this electrolyzer and downstream electrolyzer are respectively arranged with 5 electricity input side riser bus bars, 5 electricity output side riser bus bars.5 electricity input side riser bus bars are connected with 2 groups of anode large bus bars of groove superstructure, and 2 groups of anode large bus bars are connected with 20 groups of anodes, 20 groups of cathode carbon pieces and 20 groups of cathode steel bars respectively; , and walk bus 8 by electrolyzer two side channel sidepiece buses 7, bottom land and be connected with 5 root post buses 11 of downstream slot respectively by being connected flue end electricity input side negative busbar 2, middle electricity input side negative busbar 4, aluminium inlet electricity input side negative busbar 5 with 20 groups of cathode soft bus 1 of cathode steel bar welding at electricity input side; Be connected electricity output side negative busbar 10 at electricity output side by 20 groups of cathode soft bus 9 with the cathode steel bar welding, the negative busbar of electricity output side is connected with 5 root post buses 11 of downstream slot by bus horizontal folding or vertical folding.
The cathode soft bus quantity that flue end is connected with the electricity input side bus is 9,8 of the cathode soft bus quantity that aluminium inlet is connected with the electricity input side bus.
When electrolyzer is produced, galvanic current enters the electricity input side 5 root post buses (not drawing the figure) of this groove from the upstream electrolyzer, through waiting electric current 5 root post buses to enter on 2 groups of anode large bus bars of groove superstructure, then by 20 groups of anodes flow through again melt dielectric substrate, aluminium liquid layer in the groove, and behind the 20 groups of cathode carbon pieces, 20 groups of cathode steel bars, import flue end electricity input side negative busbar (2) at electricity input side by the 20 groups of cathode soft bus 1 with the cathode steel bar welding; Middle electricity input side negative busbar 4, aluminium inlet electricity input side negative busbar 5, again by electrolyzer two side channel sidepiece buses 7, bottom land walk 5 root post bus 11(that bus 8 imports respectively downstream slot see among the figure illustrate); Import electricity output side negative busbar 10 at electricity output side by the 20 groups of cathode soft bus 9 with the cathode steel bar welding, the negative busbar of electricity output side also imports respectively 5 root post buses 9 of downstream slot by bus horizontal folding or vertical folding.More than each section negative busbar and downstream slot riser bus bar respectively by being weldingly connected.
Claims (4)
1. an aluminium cell five power-on bus-bar collocation structure is characterized in that: 5 electricity input side riser bus bars, 5 electricity output side riser bus bars are set; , and walk bus (8) by electrolyzer two side channel sidepiece buses (7), bottom land and be connected with 5 root post buses (11) of downstream slot respectively by being connected flue end electricity input side negative busbar (2), middle electricity input side negative busbar (4), aluminium inlet electricity input side negative busbar (5) with 20 groups of cathode soft bus (1) of cathode steel bar welding at electricity input side; Be connected electricity output side negative busbar (10) at electricity output side by the 20 groups of cathode soft bus (9) with the cathode steel bar welding, the negative busbar of electricity output side is connected with 5 root post buses (11) of downstream slot by bus horizontal folding or vertical folding.
2. by the described aluminium cell five power-on of claim 1 bus-bar collocation structure, it is characterized in that: 5 electricity input side riser bus bars are connected with 2 groups of anode large bus bars of groove superstructure, and 2 groups of anode large bus bars are connected with 20 groups of anodes, 20 groups of cathode carbon pieces and 20 groups of cathode steel bars respectively.
3. by the described aluminium cell five power-on of claim 1 bus-bar collocation structure, it is characterized in that: each section negative busbar and downstream slot riser bus bar are respectively by being weldingly connected.
4. by the described aluminium cell five power-on of claim 1 bus-bar collocation structure, it is characterized in that: the cathode soft bus quantity that flue end is connected with the electricity input side bus is 9,8 of the cathode soft bus quantity that aluminium inlet is connected with the electricity input side bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220288030 CN202643861U (en) | 2012-06-19 | 2012-06-19 | Five-point power-on busbar configuration structure of aluminum electrolytic cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220288030 CN202643861U (en) | 2012-06-19 | 2012-06-19 | Five-point power-on busbar configuration structure of aluminum electrolytic cell |
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| CN202643861U true CN202643861U (en) | 2013-01-02 |
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| CN 201220288030 Expired - Fee Related CN202643861U (en) | 2012-06-19 | 2012-06-19 | Five-point power-on busbar configuration structure of aluminum electrolytic cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510120A (en) * | 2012-06-19 | 2014-01-15 | 贵阳铝镁设计研究院有限公司 | Five-end-riser aluminum electrolysis tank bus configuration structure |
-
2012
- 2012-06-19 CN CN 201220288030 patent/CN202643861U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510120A (en) * | 2012-06-19 | 2014-01-15 | 贵阳铝镁设计研究院有限公司 | Five-end-riser aluminum electrolysis tank bus configuration structure |
| CN103510120B (en) * | 2012-06-19 | 2016-05-25 | 贵阳铝镁设计研究院有限公司 | A kind of five power-on aluminum cell bus-bar collocation structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20140619 |
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| EXPY | Termination of patent right or utility model |