CN104514015B - A kind of aluminium cell preheating device in parallel and method - Google Patents
A kind of aluminium cell preheating device in parallel and method Download PDFInfo
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- CN104514015B CN104514015B CN201310457126.7A CN201310457126A CN104514015B CN 104514015 B CN104514015 B CN 104514015B CN 201310457126 A CN201310457126 A CN 201310457126A CN 104514015 B CN104514015 B CN 104514015B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/16—Electric current supply devices, e.g. bus bars
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
A kind of aluminium cell preheating device in parallel and method, to solve the electrolytic cell preheating method of existing use splitter, an electrolytic cell can only be preheated every time, preheating is less efficient, in preheating, also need to splitter blowing compressed air, cost is higher, meanwhile, the heating of splitter belongs to invalid loss, add the preheating power consumption of electrolytic cell, the problem of causing energy waste.Set gradually three electrolytic cells, in adjacent two electrolytic cell, upstream electrolytic bath cathode bus plate is connected by riser bus bar with downstream electrolytic tank anode busbar plate, the both sides of riser bus bar set short-circuit busbar plate, insulation board is set between short-circuit busbar plate and riser bus bar, short-circuit busbar plate is connected with downstream electrolytic bath cathode bus plate, the anode bus plate of upstream electrolytic cell is connected by connecting bus with short-circuit busbar plate or downstream electrolytic bath cathode bus plate, and potline current is by two electrolytic cells in parallel so as to realize the preheating of two electrolytic cells.The present invention is used for aluminum electrolysis.
Description
Technical field
The present invention relates to a kind of electrolytic cell preheating device and method, belong to field of aluminum electrolysis.
Background technology
Typically in aluminium electrolysis shop, an electrolytic series have up to a hundred electrolytic cells, hundreds thousand of amperes of high current series connection
Pass through every electrolytic cell.The initial power-up state of electrolytic cell, referred to as preheating preheat, domestic to be referred to as being calcined in the world.One
The electrolytic cell being initially powered, Pot Lining is normal temperature, and resistance is big, and tank voltage is high, has a higher surge voltage, and can be quick
Heating.In order to avoid HI high impact voltage and the adverse effect and the infringement that are rapidly heated to Pot Lining, generally preheating is initially powered
Electrolytic cell install splitter additional, splitter thinks in parallel with electrolytic cell.Splitter makes of sheet metal, is connected to preheating electrolytic bath
Between anode bus and negative busbar, approximately half of electric current is allowed by splitter, to reduce the electric current by electrolytic cell, to drop
The surge voltage and programming rate of low electrolytic cell.In preheating, by high current on steel splitter, heating is serious, generally all burns
Obtain rubescent, to avoid blowing splitter, blowing compressed air to cool down splitter.Meanwhile, the heating of splitter belongs to invalid damage
Consumption, adds the preheating power consumption of electrolytic cell.
The content of the invention
It is an object of the invention to：A kind of aluminium cell preheating device in parallel and method are provided, divided with solving existing use
The electrolytic cell preheating method of flow, preheating is less efficient, in preheating, also needs to splitter blowing compressed air, meanwhile, splitter
Heating belong to invalid loss, add the preheating power consumption of electrolytic cell.
The solution of the present invention is as follows：A kind of aluminium cell pre-heating mean in parallel, methods described comprises the following steps：Continuously set
Three electrolytic cells are equipped with, in adjacent two electrolytic cell, upstream electrolytic bath cathode bus plate passes through riser bus bar and downstream electrolytic cell
Anode bus plate is connected, and the both sides of riser bus bar set a short-circuit busbar plate respectively, and short-circuit busbar plate and riser bus bar it
Between insulation board is set, short-circuit busbar plate is connected with downstream electrolytic bath cathode bus plate, and the anode bus plate of upstream electrolytic cell passes through
Connection bus is connected with short-circuit busbar plate or downstream electrolytic bath cathode bus plate, two electrolytic cells at two ends is in parallel, is
Row electric current respectively passes through the half of potline current, the two of two ends by two electrolytic cells in parallel, two electrolytic cells at the two ends
Individual electrolytic cell is respectively preheated with the half of rated current.
The connection bus includes Up Highway UHW block, four soft bus and Down Highway blocks, one end point of four soft buses
It is not connected with Up Highway UHW block, four are connected to a Down Highway block with the other end of soft bus, and Up Highway UHW block is electrolysed with upstream
Groove anode bus plate is connected, and four Down Highway blocks are connected to the both sides of two short-circuit busbar plates.
After preheating terminates, connection bus is removed, two electrolytic cells at the two ends can carry out normal electrolysis production.
In a kind of aluminium cell preheating device in parallel, including three electrolytic cells continuously set, two neighboring electrolytic cell, on
Trip electrolytic bath cathode bus plate is connected by riser bus bar with downstream electrolytic tank anode busbar plate, and the both sides of riser bus bar are set respectively
A short-circuit busbar plate is put, and insulation board, short-circuit busbar plate and downstream electrolytic cell are set between short-circuit busbar plate and riser bus bar
Negative busbar plate is connected, and the anode bus plate of upstream electrolytic cell is by connecting bus and short-circuit busbar plate or downstream electric tank cathode
Bus bar plate is connected.
Compared with prior art, major advantage is the present invention：
1st, the present invention uses connection bus by the anode bus plate and short-circuit busbar of adjacent two electrolytic cells middle and upper reaches electrolytic cell
Plate or downstream electrolytic bath cathode bus plate are connected, and make in three electrolytic cells successively, the electrolytic cell parallel connection at two ends, middle electricity
Groove is solved equivalent to open circuit, after applying standby voltage at the two ends of three electrolytic cell institute composition mechanisms, two electrolytic cells at two ends are same
When preheat, increase the pre- thermal efficiency, meanwhile, without using flow distribution plate, it is to avoid produced on to flow distribution plate blowing compressed air and splitter
Raw invalid power consumption, reduction preheating cost, saves the energy；
2nd, four soft buses are connected by Down Highway block with the both sides of two short-circuit busbar plates respectively, make upstream electrolytic cell sun
Connection and conductive effect of the pole bus bar plate with downstream electrolytic bath cathode bus plate are more preferable.
Brief description of the drawings
Fig. 1 is the main structure diagram of the present invention；Fig. 2 is the riser bus bar and company being connected in Fig. 1 between two electrolytic cells
Connect the partial enlarged drawing at bus；Fig. 3 is Fig. 2 top view；Fig. 4 is the main structure diagram for connecting bus；Fig. 5 is Fig. 4
Overlooking the structure diagram；Fig. 6 is the main structure diagram of riser bus bar；Fig. 7 is Fig. 6 top view；Fig. 8 is Fig. 6 right side
View；Fig. 9 is the schematic diagram of the present invention.
Embodiment
Referring to the drawings, a kind of aluminium cell preheating device in parallel, including three electrolytic cells 9 continuously set, it is two neighboring
In electrolytic cell 9, upstream electrolytic bath cathode bus plate 1 is connected by riser bus bar 2 with downstream electrolytic tank anode busbar plate 6, column
The both sides of bus 2 set a short-circuit busbar plate 4 respectively, and insulation board 3 is set between short-circuit busbar plate 4 and riser bus bar 2, short
Road bus bar plate 4 is connected with downstream electrolytic bath cathode bus plate 5, the anode bus plate 8 of upstream electrolytic cell by connect bus 7 with it is short
Road bus bar plate 4 or downstream electrolytic bath cathode bus plate 5 are connected.
A kind of aluminium cell pre-heating mean in parallel, methods described comprises the following steps：Set gradually three electrolytic cells 9, phase
In adjacent two electrolytic cells 9, upstream electrolytic bath cathode bus plate 1 is connected by riser bus bar 2 with downstream electrolytic tank anode busbar plate 6,
The both sides of riser bus bar 2 set a short-circuit busbar plate 4 respectively, and set insulation board between short-circuit busbar plate 4 and riser bus bar 2
3, short-circuit busbar plate 4 is connected with downstream electrolytic bath cathode bus plate 5, and the anode bus plate 8 of upstream electrolytic cell is by connecting bus 7
It is connected with short-circuit busbar plate 4 or downstream electrolytic bath cathode bus plate 5, due to equivalent to one power supply of each electrolytic cell 9, in
Between electrolytic cell 9 equivalent to open circuit, two electrolytic cells 9 at two ends are in parallel, potline current（One electrolytic series is multiple electrolysis
Groove is composed in series, and potline current is the electric current being passed through in electrolytic series）Pass through two electrolytic cells 9 in parallel, the two of the two ends
Individual electrolytic cell 9 is respectively by the half of potline current, so as to realize that two electrolytic cells 9 at two ends are each with rated current（Refer to series electricity
Stream）Half preheated.The connection bus 7 includes Up Highway UHW block 71, four soft buses 72 and Down Highway block 73, described four
One end of the soft bus 72 of root is connected with Up Highway UHW block 71 respectively, and four are connected to a Down Highway with the other end of soft bus 72
Block 73, Up Highway UHW block 71 is connected with upstream electrolytic tank anode busbar plate 8, and it is female that four Down Highway blocks 73 are connected to two short circuits
The both sides of line plate 4.
After preheating terminates, connection bus 7 is removed, two electrolytic cells 9 at the two ends can carry out normal electrolysis production.
Claims (3)
1. a kind of aluminium cell pre-heating mean in parallel, methods described comprises the following steps：Continuously it is provided with three electrolytic cells（9）,
In adjacent two electrolytic cell (9), upstream electrolytic bath cathode bus plate（1）Pass through riser bus bar（2）It is female with downstream anode electrolytic cell
Line plate（6）It is connected, riser bus bar（2）Both sides one short-circuit busbar plate is set respectively（4）, and short-circuit busbar plate（4）With column
Bus（2）Between insulation board is set（3）, short-circuit busbar plate（4）With downstream electrolytic bath cathode bus plate（5）It is connected, its feature exists
In：The anode bus plate of upstream electrolytic cell（8）By connecting bus（7）With short-circuit busbar plate（4）Or downstream electric tank cathode is female
Line plate（5）It is connected, makes two electrolytic cells at two ends（9）It is in parallel, potline current passes through two electrolytic cells in parallel（9）, institute
State two electrolytic cells at two ends（9）Respectively by the half of potline current, two electrolytic cells at two ends（9）Respectively with the one of rated current
Half is preheated.
2. a kind of aluminium cell pre-heating mean in parallel according to claim 1, it is characterised in that：The connection bus（7）Bag
Include Up Highway UHW block（71）, four pieces soft buses（72）With Down Highway block（73）, four soft buses（72）One end respectively with it is upper
Bus block（71）It is connected, four with soft bus（72）The other end be connected to a Down Highway block（73）, Up Highway UHW block（71）
With upstream electrolytic tank anode busbar plate（8）It is connected, four Down Highway blocks（73）It is connected to two short-circuit busbar plates（4）Two
Side.
3. a kind of aluminium cell pre-heating mean in parallel according to claim 1, it is characterised in that：After preheating terminates, the company of removing
Connect bus（7）, two electrolytic cells at the two ends（9）Normal electrolysis production can be carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310457126.7A CN104514015B (en) | 2013-09-30 | 2013-09-30 | A kind of aluminium cell preheating device in parallel and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310457126.7A CN104514015B (en) | 2013-09-30 | 2013-09-30 | A kind of aluminium cell preheating device in parallel and method |
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| Publication Number | Publication Date |
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| CN104514015A CN104514015A (en) | 2015-04-15 |
| CN104514015B true CN104514015B (en) | 2017-07-25 |
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| CN201310457126.7A Active CN104514015B (en) | 2013-09-30 | 2013-09-30 | A kind of aluminium cell preheating device in parallel and method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| GB2548359A (en) * | 2016-03-15 | 2017-09-20 | Dubai Aluminium Pjsc | Device for holding anode assemblies during electrical preheating of Hall-Héroult cells, and process for preheating Hall-Héroult cells using such device |
| GB2549731A (en) * | 2016-04-26 | 2017-11-01 | Dubai Aluminium Pjsc | Busbar system for electrolytic cells arranged side by side in series |
| CN108149277B (en) * | 2017-12-06 | 2019-10-25 | 云南云铝涌鑫铝业有限公司 | Open slot part flow arrangement |
| CN109750318B (en) * | 2019-03-20 | 2020-11-03 | 中南大学 | Method for inhibiting PFC (Power factor correction) emission in aluminum electrolysis industry |
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| CN101463492A (en) * | 2007-12-19 | 2009-06-24 | 贵阳铝镁设计研究院 | Variable resistance type shunt method and apparatus |
| CN101660175A (en) * | 2009-07-21 | 2010-03-03 | 兖矿集团有限公司 | Method for roasting and starting aluminum electrolytic cell |
| CN102808196A (en) * | 2012-07-27 | 2012-12-05 | 中国铝业股份有限公司 | Direct-current shunt preheating start method for inert electrode aluminum electrolysis cell |
| CN202730257U (en) * | 2012-07-27 | 2013-02-13 | 中国铝业股份有限公司 | Preheat starting device of inert electrode aluminum electrolysis cell |
| CN203474920U (en) * | 2013-09-30 | 2014-03-12 | 贵阳铝镁设计研究院有限公司 | Parallel preheating device of aluminum electrolysis cells |
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| CN101463492A (en) * | 2007-12-19 | 2009-06-24 | 贵阳铝镁设计研究院 | Variable resistance type shunt method and apparatus |
| CN101660175A (en) * | 2009-07-21 | 2010-03-03 | 兖矿集团有限公司 | Method for roasting and starting aluminum electrolytic cell |
| CN102808196A (en) * | 2012-07-27 | 2012-12-05 | 中国铝业股份有限公司 | Direct-current shunt preheating start method for inert electrode aluminum electrolysis cell |
| CN202730257U (en) * | 2012-07-27 | 2013-02-13 | 中国铝业股份有限公司 | Preheat starting device of inert electrode aluminum electrolysis cell |
| CN203474920U (en) * | 2013-09-30 | 2014-03-12 | 贵阳铝镁设计研究院有限公司 | Parallel preheating device of aluminum electrolysis cells |
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| CN104514015A (en) | 2015-04-15 |
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