CN201031256Y - No power-off aluminum cell short circuit power off and grooving device of aluminum electrolyze series - Google Patents
No power-off aluminum cell short circuit power off and grooving device of aluminum electrolyze series Download PDFInfo
- Publication number
- CN201031256Y CN201031256Y CNU2007202003226U CN200720200322U CN201031256Y CN 201031256 Y CN201031256 Y CN 201031256Y CN U2007202003226 U CNU2007202003226 U CN U2007202003226U CN 200720200322 U CN200720200322 U CN 200720200322U CN 201031256 Y CN201031256 Y CN 201031256Y
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- short
- circuit block
- bus bar
- aluminum
- riser bus
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Abstract
The utility model discloses an uninterrupted aluminum electrobath short-circuit power-cutting and slotting device of aluminum electrolytic series, comprising a riser bus bar (2) mounted on an aluminum electrobath (1) and a short-circuit block (3). The short-circuit block (3) is arranged on the riser bus bar (2) and the short-circuit block (3) is linked with the aluminum electrobath (1) by parallel connection; an insulation spacer (5) is filled up between the other end of the short-circuit block (3) and the riser bus bar (2); and an arc-suppressing switch (4) only provided with an arc-suppressing cover and a pair of contacts is connected between the riser bus bar (2) of the aluminum electrobath (1) and the short-circuit block (3). The utility model adopts current secondary changer-over to finish slotting and stop-slotting of the aluminum electrobath, by such approach, the aluminum electrobath can be repaired or replaced under the condition of uninterrupted power supply or the current is largely lowered. During repairing under power failure or lowered current, the impact and the damage to the rectifier unit can be avoided; the service life of aluminum electrobath is increased; and the loss due to power failure and shut-down is reduced.
Description
Technical field
The utility model relates to the short circuit power cut device of a kind of aluminium cell under live state, belongs to the aluminium electrolytic bath short circuit power cut technical field.
Background technology
In the Aluminum Electrolysis Production process, aluminium cell reaches and just need stop groove behind certain time limit and carry out large repairs, will be to the short-circuit block branch road before the overhaul the current conversion on the need overhaul aluminium cell, the promptly closed former short-circuit block that is in open mode, make the electric current on the former aluminium cell of flowing through directly enter next aluminium cell, realize the groove that stops of aluminium cell by the short-circuit block circuit.Aluminium cell will promptly be opened the short-circuit block that is in closure state after the overhaul the current transfer on the short-circuit block circuit of flowing through to aluminium cell.Because potline voltage height, electric current are big, the method of estimated current conversion is after aluminium cell has a power failure or reduces electric current significantly, short-circuit block in the aluminum cell bus-bar is opened or closed, that realizes aluminium cell stops groove or fluting because electrolysis series is one is in series by tens of and even hundreds of aluminium cells, every year is all tens of or up to a hundred of overhauls irregularly, if take to have a power failure or reduce the mode of electric current significantly, also can produce following serial problem.
(1) electrical network is impacted greatly.For pursuing scale and benefit, current electrolysis series all maximizes and the serial large-scale development towards grooved, the serial power load of loading even reaching a medium-sized city, and so big load variations is very unfavorable to operation of power networks.
(2) influence the potline rectifier unit.For overhaul stops the groove operation, having a power failure continually and switching on to influence the rectifier unit life-span.
(3) influence the aluminium cell production management.The short-circuit block opening and closing operations time was generally 15～30 minutes, operating period complete series aluminium cell noenergy income, cause the fluctuation of groove condition after the energising, bring certain difficulty to production management.In addition, frequent rush of current and thermal shocking meeting greatly influence the internal lining of aluminium electrolytic bath life-span, shorten the liner life cycle, even cause sick groove generation bakie accident in the potline.
(4) influence the potline economic target.Influence mainly comprises three aspects to production cost: the internal lining of aluminium electrolytic bath life consumption; The energy waste of groove condition fluctuation; The rectifier unit life consumption.
The utility model content
The purpose of this utility model is, the aluminium electrolytic bath short circuit power cut, the grooving apparatus that provide a kind of electrolysis series not have a power failure.That this device has is simple to operate, easy for installation, can avoid aluminium cell to have a power failure in maintenance with when changing bad groove, can prolong potline life-span and support equipment life-span, reduces aluminium cell and causes damage because of the institute that has a power failure, stops work.Can overcome the deficiencies in the prior art.
The technical solution of the utility model.
The aluminium electrolytic bath short circuit power cut that a kind of electrolysis series does not have a power failure, grooving apparatus, it comprises riser bus bar (2) and the short-circuit block (3) that is installed on the aluminium cell (1), short-circuit block (3) is installed on the riser bus bar (2), and an end of short-circuit block (3) is connected with the riser bus bar of next aluminium cell by bus bar, between the other end of short-circuit block (3) and riser bus bar (2), be lined with dismountable insulation spacer (5), between the riser bus bar (2) of aluminium cell (1) and short-circuit block (3), also be connected with an arc-suppressing switch (4) that only has a cease spark cover and pair of contact.
Arc-suppressing switch (4) is connected on riser bus bar (2) and the short-circuit block (3) by connecting electric wire and joint bolt.
Compared with the prior art, the utility model is finished the fluting of aluminium cell and is stopped groove by the mode that the mode with the conversion of existing aluminium cell primary current is converted to the conversion of electric current secondary, can not cut off the power supply or reduce maintenance or the replacement of finishing under the situation of electric current aluminium cell significantly like this.Can avoid aluminium cell in outage or when reducing the electric current maintenance, to the impact of electrical network with to the damage of rectifier unit.And the utility model is simple to operate, easy for installation, can avoid the series aluminum electrolyzer all to have a power failure, and can prolong the aluminium cell life-span, fallen low aluminium cell greatly causes damage because of the institute that has a power failure, stops work.There is excellent popularization to be worth and economic worth.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Embodiment: the utility model as shown in Figure 1, in electrolysis series, aluminium cell 1 adopts series circuit to connect, normally the cell body with aluminium cell 1 is a negative electrode, riser bus bar 2 is an anode, by being connected the cell body formation current path of the charcoal piece that is placed on the riser bus bar 2 in the aluminium cell 1 and aluminium cell 1.For making things convenient for the maintenance of aluminium cell 1, short-circuit block 3 is installed on the riser bus bar on the aluminium cell 12, and an end of short-circuit block 3 is connected with the riser bus bar of next aluminium cell by bus bar, is lined with dismountable insulation spacer 5 between the other end of short-circuit block 3 and riser bus bar 2.The electric current that the connection of short-circuit block 3 can be keeped in repair need on the aluminium cell is shorted to next aluminium cell 1 by short-circuit block 3, because of the electric current on the riser bus bar 2 very big, at present when connecting and disconnect riser bus bar 2 and short-circuit block 3, all need the outage of whole potline or reduce electric current significantly, there are many drawbacks in this way.For make aluminium cell 1 when stopping the groove short circuit power cut or maintenance finish when energising fluting, need not cut off the power supply or reduce electric current significantly, when the applicant stops the groove short circuit power cut at the 3 pairs of aluminium cells 1 of short-circuit block that adopt aluminium cell 1, the first arc-suppressing switch 4 that only has a cease spark cover and pair of contact of a disconnection in parallel connection on the short-circuit block 3 of this aluminium cell 1 and the riser bus bar 2, arc-suppressing switch 4 is connected on riser bus bar 2 and the short-circuit block 3 by connecting electric wire and joint bolt, and then stop the groove short circuit power cut and operate, carry out the early stage stop groove work after, the nut that connects riser bus bar 2 and short-circuit block 3 is unclamped, extract insulation spacer 5 out, the carbon piece that is connected on the riser bus bar 2 is dropped in the aluminium water, the voltage of aluminium cell 1 is reduced to below the 2000mv, to be connected in arc-suppressing switch 4 closures on the short-circuit block 3 again in parallel, make electric current on the riser bus bar 2 that needs maintenance aluminium cell 1 directly flow into the riser bus bar 2 of next aluminium cell 1 from arc-suppressing switch 4, rapidly short-circuit block 3 is connected with riser bus bar 2 again, but short-circuit block 3 and disconnection arc extinguishing switch 4 after riser bus bar 2 is connected make electric current on the riser bus bar 2 that needs maintenance aluminium cell 1 flow directly into the riser bus bar 2 of next aluminium cell 1 from short-circuit block 3.Also can not disconnect arc-suppressing switch 4, make the electric current on the riser bus bar 2 that needs maintenance aluminium cell 1 flow into the riser bus bar 2 of next aluminium cell 1 from arc-suppressing switch 4 and short-circuit block 3, finishing needs the maintenance aluminium cell stop the operation of groove short circuit power cut.When this aluminium cell maintenance finishing need fluting energising, to be connected in parallel on arc-suppressing switch 4 closures on the short-circuit block 3 earlier, share part electric current on the short-circuit block 3 with arc-suppressing switch 4 branch roads, disconnect being connected of riser bus bar 2 of short-circuit block 3 and aluminium cell 1 again, and the insulation spacer 5 that takes off is reinstalled between short-circuit block 3 and the riser bus bar 2, continue and disconnection arc extinguishing switch 4, electric current on the arc-suppressing switch 4 is all transferred on the aluminium cell 1 of maintenance back, the carbon piece liter that will be connected again on the riser bus bar 2 is put in the aluminium water of specified altitude assignment, thereby finishes the fluting power-on servicing of maintenance back aluminium cell.
Claims (2)
1. aluminium electrolytic bath short circuit power cut that electrolysis series does not have a power failure, grooving apparatus, it comprises riser bus bar (2) and the short-circuit block (3) that is installed on the aluminium cell (1), short-circuit block (3) is installed on the riser bus bar (2), and an end of short-circuit block (3) is connected with the riser bus bar of next aluminium cell by bus bar, between the other end of short-circuit block (3) and riser bus bar (2), be lined with dismountable insulation spacer (5), it is characterized in that: between the riser bus bar (2) of aluminium cell (1) and short-circuit block (3), also be connected with an arc-suppressing switch (4) that only has a cease spark cover and pair of contact.
2. aluminium electrolytic bath short circuit power cut, grooving apparatus that electrolysis series according to claim 3 does not have a power failure is characterized in that: arc-suppressing switch (4) is connected on riser bus bar (2) and the short-circuit block (3) by connecting electric wire and joint bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202003226U CN201031256Y (en) | 2007-05-08 | 2007-05-08 | No power-off aluminum cell short circuit power off and grooving device of aluminum electrolyze series |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202003226U CN201031256Y (en) | 2007-05-08 | 2007-05-08 | No power-off aluminum cell short circuit power off and grooving device of aluminum electrolyze series |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201031256Y true CN201031256Y (en) | 2008-03-05 |
Family
ID=39163150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007202003226U Expired - Lifetime CN201031256Y (en) | 2007-05-08 | 2007-05-08 | No power-off aluminum cell short circuit power off and grooving device of aluminum electrolyze series |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201031256Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302627B (en) * | 2007-05-08 | 2010-09-22 | 贵阳铝镁设计研究院 | Short circuit cutoff and starting up methods and apparatuses for aluminum electrolysis series uninterrupted electrobath |
| CN101608318B (en) * | 2008-06-17 | 2012-03-07 | 贵阳铝镁设计研究院有限公司 | Method and device for electrically stopping and opening electrolytic tank |
| CN106637301A (en) * | 2016-12-12 | 2017-05-10 | 云南云铝润鑫铝业有限公司 | Method for repairing local damage to cathode carbon block at bottom of aluminum electrolysis cell |
| CN110592617A (en) * | 2019-08-29 | 2019-12-20 | 青海物产工业投资有限公司 | Secondary starting method for full-series power failure of aluminum electrolysis cell |
-
2007
- 2007-05-08 CN CNU2007202003226U patent/CN201031256Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302627B (en) * | 2007-05-08 | 2010-09-22 | 贵阳铝镁设计研究院 | Short circuit cutoff and starting up methods and apparatuses for aluminum electrolysis series uninterrupted electrobath |
| CN101608318B (en) * | 2008-06-17 | 2012-03-07 | 贵阳铝镁设计研究院有限公司 | Method and device for electrically stopping and opening electrolytic tank |
| CN106637301A (en) * | 2016-12-12 | 2017-05-10 | 云南云铝润鑫铝业有限公司 | Method for repairing local damage to cathode carbon block at bottom of aluminum electrolysis cell |
| CN106637301B (en) * | 2016-12-12 | 2019-01-04 | 云南云铝润鑫铝业有限公司 | Aluminum electrolytic cell bottom cathode carbon pieces local damage restorative procedure |
| CN110592617A (en) * | 2019-08-29 | 2019-12-20 | 青海物产工业投资有限公司 | Secondary starting method for full-series power failure of aluminum electrolysis cell |
| CN110592617B (en) * | 2019-08-29 | 2021-06-15 | 青海物产工业投资有限公司 | Secondary starting method for full-series power failure of aluminum electrolysis cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080305 Effective date of abandoning: 20070508 |