CN102677096B - Aluminium electrolytic cell emergency short-circuit bus - Google Patents
Aluminium electrolytic cell emergency short-circuit bus Download PDFInfo
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- CN102677096B CN102677096B CN201210157567.0A CN201210157567A CN102677096B CN 102677096 B CN102677096 B CN 102677096B CN 201210157567 A CN201210157567 A CN 201210157567A CN 102677096 B CN102677096 B CN 102677096B
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 45
- 239000004411 aluminium Substances 0.000 title claims abstract description 39
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention provides an aluminium electrolytic cell emergency short-circuit bus, which comprises a diversion bus and aluminium flexible connection, wherein two ends of the diversion bus are respectively and fixedly connected with one end of the aluminium flexible connection; the other end of the aluminium flexible connection is respectively and fixedly connected with the upper part of the short-circuit bus; the sectional dimension of the diversion bus and the sectional dimension of the short-circuit bus are consistent to the sectional dimension of an electrolytic cell anode rod; the short-circuit bus on one end of the diversion bus is fastened on an anode bus on a discharging side of a short-circuit aluminium electrolytic cell; and the short-circuit bus on the other end of the diversion bus is fastened on an anode bus on a feeding side of an adjacent downstream aluminium electrolytic cell. The aluminium electrolytic cell emergency short-circuit bus has a simple structure and small volume, is convenient to carry, can be quickly inserted into a small box fixture of the anode bus, is convenient to install, is beneficial for reducing a short-circuit process greatly and saving urgent repair time, has good conduction effect, can be popularized and applied in different series of electrolytic plants, and has obvious economic benefit and social benefit.
Description
Technical field
The present invention relates to a kind of electrolyzer bus, particularly relate to a kind of emergent short-circuit busbar of large-scale aluminum electrolytic cell.
Background technology
Electrolyzer is all adopt series system to connect, the bus of electrolyzer comprises positive bar, negative busbar, riser bus bar and short-circuit busbar, they are not only the part in every platform electrolyzer self-conductive system, are also integral parts indispensable in whole electrolytic series galvanic circle.Under normal circumstances, the groove that stops of separate unit electrolyzer utilizes the short circuit between short-circuit busbar and riser bus bar.Under abnormal condition, if wherein there is " blowing out " phenomenon (i.e. voltage breakdown insulant or air and the short circuit dischange phenomenon that occurs) in any short-circuit opening between electrolysis bath short-circuit bus bar and riser bus bar, a kind of situation causes riser bus bar or short-circuit busbar to damage, and cannot realize separate unit electrolyzer and have a power failure; Another kind of situation is that negative electrode soft ribbons below short-circuit opening or negative busbar damage, and cannot realize the power supply of this electrolyzer.In these cases, only have complete series electrolyzer to have a power failure, could the electrolyzer had an accident be processed.If do not have special short circuit measure to be cut off fast by accident electrolyzer, then whole electrolytic series just cannot recover power transmission, causes serial electrolyzer to paralyse, and brings huge direct or indirect financial loss to enterprise.Now, the time to be shortened as early as possible, recover the power supply of complete series electrolyzer as early as possible.
Patent " aluminum electrolytic cell temporary short-circuit busbar " (patent No. ZL201010177156.9, publication number CN101880897A, day for announcing 2010.11.10) disclose a kind of aluminum electrolytic cell temporary short-circuit busbar, it contains water conservancy diversion bus, aluminium is flexible coupling, crimp bus, positioning fixture and supporting beam, and multiple water conservancy diversion bus is fixed on supporting beam; The two ends of water conservancy diversion bus are flexible coupling respectively by aluminium and are connected with crimping bus, and line ball bus is connected with positioning fixture respectively, and positioning fixture is fastened on the anode rod of electrolyzer respectively.This aluminum electrolytic cell temporary short-circuit busbar, volume is large, carrying inconvenience; Also need to make positioning fixture to be specially connected with anode rod, new production positioning fixture adds the production cost of enterprise.Because the anode rod recycled exists the problems such as air spots is sliding, jagged, when positioning fixture is connected with anode rod, the crimping strength of positioning fixture is inadequate, the unfairness of clamping connection face, the volts lost of electrolysis can be caused large, and install inconvenience, the settling time is long.In addition, general electrolyzer is blown out after accident, and can make segment anode guide rod and positive bar generation break-off, this aluminum electrolytic cell temporary short-circuit busbar, cannot realize the function of short circuit.
Summary of the invention
The object of the present invention is to provide that a kind of structure is simple and direct, volume is little, convenient in carrying, be convenient to install, the short-circuit busbar and the good aluminium cell of conductive effect is met an urgent need.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of aluminium cell is met an urgent need short-circuit busbar, comprise water conservancy diversion bus and aluminium is flexible coupling, one end that the two ends of described water conservancy diversion bus are flexible coupling with aluminium is respectively fixedly connected with, the other end that described aluminium is flexible coupling is fixedly connected with short-circuit busbar top respectively, and the sectional dimension of described water conservancy diversion bus and described short-circuit busbar is consistent with the sectional dimension of anode electrolytic cell guide rod; The described short-circuit busbar of described water conservancy diversion bus one end is fastened on the positive bar of short circuit aluminium cell electricity output side, and the described short-circuit busbar of the described water conservancy diversion bus the other end is fastened on the positive bar of adjacent downstream aluminium cell electricity input side.
Described aluminium is flexible coupling and is arranged between described water conservancy diversion bus one end and short-circuit busbar top in semicircular arc.
The middle part of described water conservancy diversion bus is provided with reinforcing sleeve, and described reinforcing sleeve comprises the U-shaped steel plate cover of upper and lower two band flangings be fixedly connected with.
Described short-circuit busbar and water conservancy diversion bus are vertical relation, the two ends of described water conservancy diversion bus are provided with web plate respectively and between described short-circuit busbar top, described web plate is symmetrically arranged two block plates, one end of described web plate is fixedly connected with one end of described water conservancy diversion bus, and the other end is fixedly connected with described short-circuit busbar top; The external part of described web plate exceeds the outside 40 ~ 60mm of described short-circuit busbar.
Described web plate external part is provided with upper and lower two caging bolts.
Described web plate is provided with and passes through elliptical aperture.
Aluminium cell provided by the invention is met an urgent need short-circuit busbar, structure is simple and direct, volume is little, convenient in carrying, can insert rapidly in the small box fastener of positive bar, be convenient to install, substantially reduce short circuit process, saved emergency repair time, and be connected with positive bar by small box fastener, the electrolysis between them can be made to contact completely, and the volts lost of electrolysis is little, and conductive effect is good.Guarantee that whole serial electrolyzer within the shortest time, can recover series power, recover the normal production of electrolyzer, can promote the use at the potroom of different series simultaneously, there is significant economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is emergent short-circuit busbar short circuit view of the present invention.
Fig. 2 is emergent short-circuit busbar structural representation of the present invention.
Fig. 3 is the schematic cross-section of reinforcing sleeve.
In figure, 1-positive bar, 2-small box fastener, 3-anode rod, 4-short-circuit busbar, 5-aluminium is flexible coupling, 6-water conservancy diversion bus, 7-reinforcing sleeve, 8-web plate, 9-elliptical aperture, 10-caging bolt, 11-accident electrolyzer, the normal electrolyzer of 12-.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing thereof, the invention will be further described.
As depicted in figs. 1 and 2, a kind of aluminium cell is met an urgent need short-circuit busbar, comprise water conservancy diversion bus 6 and aluminium is flexible coupling 5, the top at water conservancy diversion bus 6 two ends be flexible coupling with the aluminium in semicircular arc respectively 5 one end argon arc welding weld, aluminium be flexible coupling 5 the other end weld with short-circuit busbar 4 top argon arc welding respectively, two short-circuit busbars 4 are vertical relation with water conservancy diversion bus 6, and are positioned at the lower position of water conservancy diversion bus 6.Water conservancy diversion bus 6 is identical with the sectional dimension of anode rod 3 with the sectional dimension of short-circuit busbar 4, mainly for the ease of being fixedly attached on positive bar 1 by small box fastener 2 by short-circuit busbar 4.The short-circuit busbar 4 of water conservancy diversion bus 6 one end is fastened on by small box fastener 2 on the positive bar 1 of accident electrolyzer 11 electricity output side, on the short-circuit busbar 4 of water conservancy diversion bus 6 the other end is also fastened on adjacent downstream normal electrolyzer 12 electricity input side positive bar by small box fastener 21.
The middle part of water conservancy diversion bus 6 is provided with reinforcing sleeve 7, and reinforcing sleeve 7 comprises the U-shaped steel plate cover of the 6mm Plate Steel of the band flanging of upper and lower two die casts.As shown in Figure 3, the flanging bolt of upper and lower two U-shaped steel plate covers is fixedly connected with.Because the span of the water conservancy diversion bus 4 of cross-slot is comparatively large, its deadweight and the rear water conservancy diversion bus 4 of energising feel like jelly, the waist phenomenon of collapsing occurred in the middle of when easily occurring that the phenomenon that water conservancy diversion bus 4 is sagging, reinforcing sleeve 7 can prevent water conservancy diversion bus 4 overheated.
Two pieces of symmetrical steel plate web plates 8 are separately installed with between the two ends of water conservancy diversion bus 6 and two short-circuit busbar 4 tops.Be drilled with the through hole of six Φ 13 at the two ends of water conservancy diversion bus 6 respectively, be drilled with Φ 13 through hole in the upper middle position of short-circuit busbar 4; One end of web plate 8 is drilled with the through hole of six Φ 13, and elliptical aperture 9, two pieces of web plates 8 seven M12 threaded studs that the junction on the other end and short-circuit busbar 4 top is drilled with a R10 × 40mm are fixedly connected with.The external part steel plate length of web plate 8 exceeds 50mm outside short-circuit busbar 4.In order to ensure the position fixing two short-circuit busbars 4, the through hole of two Φ 13 is bored up and down at the external part of web plate 8, then two pieces of web plates 8 are connected with two M12 threaded studs, left and right forms two caging bolts 10 respectively, even if through the bolt fracture of elliptical aperture 9, still can ensure that the position of short-circuit busbar 4 does not offset.Two pieces of web plates 8, not only can strengthen aluminium be flexible coupling 5 with the connection of water conservancy diversion bus 6 and short-circuit busbar 4, and the external part of web plate 8 exceeds the steel plate of 50mm outside short-circuit busbar 4, is convenient to short-circuit busbar 4 to set up on positive bar 1, plays the effect of support.Because the positive bar spacing between adjacent two electrolyzers is incomplete same, can by the position of the elliptical aperture 9 on web plate 8, the length of the emergent short-circuit busbar of adjustment, the change of spacing between the positive bar between adaptation accident electrolyzer 11 and normal electrolyzer 12.
The meet an urgent need size of short-circuit busbar of aluminium cell can be selected according to different pot lines.Such as 400KA electrolyzer, can choose four electrolyzers and measure spacing between its two electrolyzers between positive bar respectively, then calculate mean value L=4830mm; The length of getting cross-slot water conservancy diversion bus 6 is 4170mm, and the length of short-circuit busbar 4 is 700 mm, and the aluminium restrainting (often restrainting 10 aluminium soft ribbons) 200 × 1mm with 15 respectively between water conservancy diversion bus 6 with short-circuit busbar 4 is flexible coupling and 5 welds in semi arch argon arc welding; The cross-sectional dimension of anode rod 3 is 200 × 180mm, then the cross-sectional dimension of water conservancy diversion bus 6 and short-circuit busbar 4 is 200 × 180mm.Reinforcing sleeve 7 is thickness is 6mm, length is the steel plate of 2000mm, connects every 200mm bolt; Web plate 8 is steel plates of 680 × 170 × 16mm.
In actual production process, blast when short circuit mouth for electrolytic bath and cause many root posts bus and short-circuit busbar scaling loss, or when occurring that short-circuit block underlying cathode soft ribbons or bus damage, aluminium cell provided by the invention short-circuit busbar of meeting an urgent need can be used to carry out short circuit.Such as, certain three short-circuit openings that there occurs an electrolyzer on 400KA prebaked cell blow out phenomenon, cause three short-circuit openings and three root post buses badly damaged, insulcrete and insulation tube burn out, and series cannot be carried out short circuit and stop groove after being had a power failure.In this case, aluminium cell provided by the invention is used to meet an urgent need short-circuit busbar, under the state that series has a power failure, first rapid A face each 12 groups of anode rod groups two multifunction cranes by the B face of accident electrolyzer 11 and adjacent normal electrolyzer 12 are extracted in turn fast, then respectively 12 covers are met an urgent need in the small box fastener 2 of short-circuit busbar insertion accident electrolyzer B faces and normal electrolyzer A surface anode bus 1 with multifunction crane, and by artificial means by the bolt tightening of small box fastener 2, guarantee that the short-circuit busbar 4 of emergent short-circuit busbar contacts completely with the electrolysis of positive bar 1, serial power transmission is carried out after finally inspection accident electrolyzer 11 and normal electrolyzer 12 short-circuit opening electrolysis.Like this, by emergent short-circuit busbar, accident electrolyzer 11 and normal electrolyzer 12 are carried out short circuit, get rid of accident electrolyzer 11, serial electrolyzer Power resumption as early as possible can be guaranteed.Whole short circuit process, the time is short, easy and simple to handle, carrying, easy for installation, only needs 1 hours.Compared with the accident temporary short-circuit busbar of prior art, emergency repair time can be saved 3 ~ 4 hours, ensure that whole serial electrolyzer within the shortest time, can recover series power, recover the normal production of electrolyzer.
At the emergent short-circuit busbar of erection to recovering between three short-circuit blocks and riser bus bar normal production period, the change temperature of emergent short-circuit busbar and pressure drop having been carried out to routine test, particularly temperature directly can reflect the current distributions (test chart is in table 1) that each emergent short-circuit busbar passes through.Run by tens days, data presentation is produced normal, can conclude that this emergent short-circuit busbar is reasonable in design, reach the needs that aluminum smelting technology is met an urgent need in the state of accident.
Table 1: the interim equidistant pressure drop of bus and temperature gauge
Above-described is only preferred embodiment of the present invention, does not limit to the present invention.Should be understood that for the person of ordinary skill of the art, under technology enlightenment provided by the present invention, other equivalent modifications and improvement can also be made, all can realize object of the present invention, all should be considered as protection scope of the present invention.
Claims (2)
1. an aluminium cell is met an urgent need short-circuit busbar, comprise water conservancy diversion bus (6) and aluminium is flexible coupling (5), be flexible coupling with the aluminium respectively one end of (5), the two ends of described water conservancy diversion bus (6) is fixedly connected with, it is characterized in that, the be flexible coupling the other end of (5) of described aluminium is fixedly connected with short-circuit busbar (4) top respectively, and the sectional dimension of described water conservancy diversion bus (6) and described short-circuit busbar (4) is consistent with the sectional dimension of anode electrolytic cell guide rod (3); The described short-circuit busbar (4) of described water conservancy diversion bus (6) one end is fastened on the positive bar (1) of short circuit aluminium cell electricity output side, on the positive bar that the described short-circuit busbar (4) of described water conservancy diversion bus (6) the other end is fastened on adjacent downstream aluminium cell electricity input side (1); Described aluminium be flexible coupling (5) be arranged between described water conservancy diversion bus (6) one end and short-circuit busbar (4) top in semicircular arc; The middle part of described water conservancy diversion bus (6) is provided with reinforcing sleeve (7), and described reinforcing sleeve (7) comprises the U-shaped steel plate cover of upper and lower two band flangings be fixedly connected with.
2. aluminium cell is met an urgent need short-circuit busbar according to claim 1, it is characterized in that, described short-circuit busbar (4) and water conservancy diversion bus (6) are in vertical relation, the two ends of described water conservancy diversion bus (6) are provided with web plate (8) respectively and between described short-circuit busbar (4) top, described web plate (8) is symmetrically arranged two block plates, one end of described web plate (8) is fixedly connected with one end of described water conservancy diversion bus (6), and the other end is fixedly connected with described short-circuit busbar (4) top; The external part of described web plate (8) exceeds the outside 40 ~ 60mm of described short-circuit busbar (4); Described web plate (8) external part is provided with upper and lower two caging bolts (10); Described web plate (8) is provided with by elliptical aperture (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210157567.0A CN102677096B (en) | 2012-05-21 | 2012-05-21 | Aluminium electrolytic cell emergency short-circuit bus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210157567.0A CN102677096B (en) | 2012-05-21 | 2012-05-21 | Aluminium electrolytic cell emergency short-circuit bus |
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| CN102677096A CN102677096A (en) | 2012-09-19 |
| CN102677096B true CN102677096B (en) | 2014-12-31 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205778B (en) * | 2013-04-27 | 2015-07-29 | 郑州轻冶科技有限公司 | Aluminium cell is met an urgent need short circuiting device and method |
| CN104005053A (en) * | 2014-04-29 | 2014-08-27 | 中国铝业股份有限公司 | Apparatus for realizing anode current diversion during aluminum electrolysis cell baking |
| CN104599747A (en) * | 2014-12-26 | 2015-05-06 | 常州市拓源电缆成套有限公司 | U-shaped combined capacitive composite insulated bus |
| CN107059059B (en) * | 2017-05-02 | 2019-07-09 | 重庆科技学院 | Prebaked Anode In Aluminium Cell power supply unit and method of supplying power to |
| CN108034963B (en) * | 2018-01-17 | 2023-10-20 | 贵州创新轻金属工艺装备工程技术研究中心有限公司 | Temporary cell-crossing bus device of aluminum electrolysis cell |
| CN110424026A (en) * | 2019-08-28 | 2019-11-08 | 云南云铝涌鑫铝业有限公司 | Electrolytic cell emergency bus device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2869042Y (en) * | 2005-01-20 | 2007-02-14 | 新疆众和股份有限公司 | Refined aluminium tank temporal short circuit fixture |
| CN101880897A (en) * | 2010-05-20 | 2010-11-10 | 河南中孚实业股份有限公司 | Aluminum electrolytic cell temporary short-circuit busbar |
| CN201924089U (en) * | 2010-08-25 | 2011-08-10 | 贵阳铝镁设计研究院有限公司 | Aluminum electrolysis cell emergency short circuit power outage device |
| CN202671673U (en) * | 2012-05-21 | 2013-01-16 | 中国铝业股份有限公司 | Emergency short circuit bus of aluminum reduction cell |
-
2012
- 2012-05-21 CN CN201210157567.0A patent/CN102677096B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2869042Y (en) * | 2005-01-20 | 2007-02-14 | 新疆众和股份有限公司 | Refined aluminium tank temporal short circuit fixture |
| CN101880897A (en) * | 2010-05-20 | 2010-11-10 | 河南中孚实业股份有限公司 | Aluminum electrolytic cell temporary short-circuit busbar |
| CN201924089U (en) * | 2010-08-25 | 2011-08-10 | 贵阳铝镁设计研究院有限公司 | Aluminum electrolysis cell emergency short circuit power outage device |
| CN202671673U (en) * | 2012-05-21 | 2013-01-16 | 中国铝业股份有限公司 | Emergency short circuit bus of aluminum reduction cell |
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Effective date of registration: 20210721 Address after: 730089 No.1, Fenghuang Road, Honggu Park, Lanzhou Economic and Technological Development Zone, Honggu District, Lanzhou City, Gansu Province Patentee after: Lanzhou Aluminum Co.,Ltd. Patentee after: ALUMINUM CORPORATION OF CHINA Ltd. Address before: 100082 No. 62 North Main Street, Haidian District, Beijing, Xizhimen Patentee before: ALUMINUM CORPORATION OF CHINA Ltd. |