CN105543895B - A kind of mechanical anode steel claw structure of pre-calcining electrolytic cell - Google Patents
A kind of mechanical anode steel claw structure of pre-calcining electrolytic cell Download PDFInfo
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- CN105543895B CN105543895B CN201610105098.6A CN201610105098A CN105543895B CN 105543895 B CN105543895 B CN 105543895B CN 201610105098 A CN201610105098 A CN 201610105098A CN 105543895 B CN105543895 B CN 105543895B
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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
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
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Abstract
The invention discloses a kind of mechanical anode steel claw structures of pre-calcining electrolytic cell, include mechanical steel pawl bottom plate (9), and the lower section of mechanical steel pawl bottom plate (9) is equipped with anode carbon block attachment device；It is connected with anode aluminium guide-bar (2) above mechanical steel pawl bottom plate (9).It is quick that there is the present invention carbon block to replace, and time saving and energy saving, saving heat energy reduces contact resistance and the voltage drop of steel pawl and carbon block, reduces the electricity damage advantageous effect of anode carbon block group.
Description
Technical field
The present invention relates to a kind of aluminium electrolysis anode steel pawl, the mechanical anode steel claw of especially a kind of pre-calcining electrolytic cell
Structure.
Background technology
Modern Aluminium Industry is all made of prebaked anode production electrolytic aluminium.Prebaked anode is generally cuboid, has and stablizes
Geometry, using stone tar, pitch coke as aggregate, using coal tar pitch as binder, according to the size and technique of electrolytic cell currents
Difference and have different sizes, current density is generally in 0.68-0.9A/cm2In range, each carbon block service life is general
At 23-30 days.
In existing prebaked anode Aluminum Electrolysis Production, anode steel claw is all connected using phosphorus pig iron casting formula with anode carbon block
It connecing, 2-4 a diameter of 160-180mm is equipped in the upper surface of pre-baked anode carbon blocks conducting direction, depth is the circular groove of 80-110mm,
It is commonly called as charcoal bowl, in anode assembling, charcoal bowl is used for placing anode joint, is cast in anode joint in charcoal bowl with the phosphorus pig iron, steel
Pawl head and aluminium conducting rod are exploded by aluminum steel welds connection, and such conductive anode rod and anode carbon block are linked together, and form anode carbon
Block group, casting type pre-baked anode carbon blocks group are modern prebaked cell unique anode materials used at present.
During Aluminum Electrolysis Production, carbon anode decomposites the oxygen come with alumina eltrolysis and constantly reacts at high temperature,
Carbon dioxide gas and constantly consume, need timing replace, in replaced carbon block industry be referred to as anode anode scrap.In advance
Roasting aluminum electrolysis must generate a large amount of anode anode scraps, and non-residual electrode generation is 60~seventies of last century, prd-baked Al electrolysis technique
The ripe industry dream never to realize.
It is at present now in anode assembling workshop, by the anode scrap charcoal of conducting rod connection to the processing mode of traditional anode anode scrap
Block is smashed fall off after, then the anode steel bowl that the phosphorus pig iron pours is smashed into the aluminium conducting rod after falling off and steel pawl and is used for new carbon block,
So recycling, the replacement process for having thereby resulted in carbon block is time-consuming and laborious, meanwhile, the amount of heat on steel pawl is also pulled away,
It is not used, and when new anode is inserted into electrolytic cell, need to be reheated to carbon block and steel pawl could be normal after certain temperature
Conduction causes heat waste, reduces electrolytic efficiency.
And because of casting type steel pawl-carbon block connection type, joint face contact drop is larger, the phosphorus pig iron molten iron temperature poured into
About 1600 DEG C of degree gap must occur, thus steel pawl carbon block anode unit is in electrolytic cell after cooling between phosphorus pig iron bowl and charcoal bowl
When work, the voltage drop of about 150mv is generated between steel pawl and carbon block contact surface, causes electricity damage about in 400~500 KWhs/ton of aluminium.
Invention content
The object of the present invention is to provide a kind of mechanical anode steel claw structures of pre-calcining electrolytic cell.The present invention has
There is anode carbon block connection quick, time saving and energy saving, saving heat energy reduces contact resistance and the voltage drop of steel pawl and carbon block, reduces sun
The characteristics of electricity damage of pole carbon block group.
Technical scheme of the present invention：A kind of mechanical anode steel claw structure of pre-calcining electrolytic cell, includes mechanical
The lower section of steel pawl bottom plate, mechanical steel pawl bottom plate is equipped with anode carbon block attachment device；It is connected with above mechanical steel pawl bottom plate
Anode aluminium guide-bar.
The mechanical anode steel claw structure of pre-calcining electrolytic cell above-mentioned, the mechanical steel pawl bottom plate are led with anode aluminium
Mechanical steel pawl bridge foot is equipped between bar, mechanical steel pawl bridge foot is connect with anode aluminium guide-bar through aluminum steel explosion weldering composite plate.
The mechanical anode steel claw structure of pre-calcining electrolytic cell above-mentioned, the anode carbon block attachment device includes to set
Loose slot in mechanical steel pawl bottom plate both sides is equipped with mechanical steel pawl t shape fastening bolts, mechanical steel pawl t shapes in loose slot
The bottom of fastening bolt is equipped with t shape stud base's crossbeams, and t shapes stud base's crossbeam is located at the lower section of loose slot, mechanical steel pawl t
After the both ends of shape fastening bolt are pierced by loose slot, the section that is pierced by held on it is equipped with mechanical steel pawl t shape fastening bolt nuts.
The both sides of the mechanical anode steel claw structure of pre-calcining electrolytic cell above-mentioned, the mechanical steel pawl bottom plate are also set
Have a t shape bolt transverse direction clamping screws of horizontal direction, one end of t shape bolt transverse direction clamping screws put in after loose slot withstand on it is described
The side of mechanical steel pawl t shape fastening bolts.
The mechanical anode steel claw structure of pre-calcining electrolytic cell above-mentioned, the t shapes stud base are equipped with t shape bolts bottom
Portion's crossbeam.
The mechanical anode steel claw structure of pre-calcining electrolytic cell above-mentioned, the mechanical steel pawl t shape fastening bolt nuts
Thermal distortion compensation pad is equipped between mechanical steel pawl bottom plate.
The mechanical anode steel claw structure of pre-calcining electrolytic cell above-mentioned, the thermal distortion compensation pad are the steel of arch
Pad.
Beneficial effects of the present invention：The present invention fastens spiral shell by the way that mechanical steel pawl t shapes are arranged on mechanical steel pawl bottom plate
Bolt, and formed mechanically by being arranged between the t shape stud base crossbeams and carbon block of mechanical steel pawl t shape fastening bolts bottom
Connection, form anode carbon block group only needs simple operations that can completely remove old anode when removing old anode, without
Anode carbon block and pawl head steel bowl are smashed, replacement is very quick, has saved the time, time saving and laborsaving.Meanwhile the present invention is replacing sun
Old anode and steel pawl need not be taken to composing room when the carbon block of pole to replace, and can be realized by potroom Inner electrolysis slot
It replaces, reduces the heat loss in steel pawl and carbon block (it was verified that the heat in anode carbon block replacement process in steel pawl and carbon block
It scatters and disappears about 20%), has saved thermal energy.In addition, the present invention puts in work by the way that one end is arranged in the both sides of mechanical steel pawl bottom plate
It is horizontal to tighten t shapes bolt after mechanical steel pawl t shape fastening bolts fasten carbon block for t shape bolt transverse direction clamping screws in dynamic slot
To clamping screw, mechanical steel pawl t shape fastening bolts are fixed on a certain position in loose slot, avoid occurring during use
It loosens, improves use reliability.In addition, the present invention is also by setting the t shape stud bases of mechanical steel pawl t shape fastening bolts
Crossbeam is set, the contact area of mechanical steel pawl t shapes fastening bolt and carbon block is increased, the tightness of carbon block is made to improve；By
Mechanical steel pawl bridge foot is set between steel plate and aluminum guide, it is aerial that aluminum guide has been isolated, avoid the anode aluminium guide-bar of low melting point straight
It connects to be softened with the mechanical steel pawl contacts baseplate of high temperature and leads to equipment fault, improve the safety that the present invention uses；Pass through
Thermal distortion compensation pad is set in the lower section of mechanical steel pawl t shape fastening bolt nuts, avoiding deforming after steel pawl is heated makes new anode
Gap is formed between carbon block and mechanical steel pawl bottom plate, and increases the resistance between steel pawl and carbon block, further ensures this hair
Bright conductive effect reduces contact resistance and the voltage drop of steel pawl and carbon block, reduces the electricity damage of anode carbon block group.To sum up institute
It stating, the present invention has carbon block connection quick, and time saving and energy saving, saving heat energy reduces contact resistance and the voltage drop of steel pawl and carbon block,
Reduce the advantageous effect of the electricity damage of anode carbon block group.
It facts have proved：Mechanical steel pawl using the present invention can reduce electricity damage 50% or so of the steel pawl with carbon block junction.
Description of the drawings
Attached drawing 1 is the front view of the present invention；
Attached drawing 2 is the side view of attached drawing 1；
Attached drawing 3 is the structural schematic diagram after present invention connection carbon block.
Reference sign：1- anode aluminium guide-bar pin holes, 2- anode aluminium guide-bars, 3- aluminum steels explosion weldering composite plate, 4- machines
Tool formula steel pawl bridge foot, the mechanical steel pawl t shape fastening bolts of 5-, the mechanical steel pawl t shapes fastening bolt nuts of 6-, 7- thermal distortion compensations
Pad, 8-t shape bolt transverse direction clamping screws, the mechanical steel pawl bottom plates of 9-, 10- carbon block upper T shapes connection plush copper, 11- anode carbon blocks,
12-t shape stud base's crossbeams, 13-T shapes connect plush copper load shoulder.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
The embodiment of the present invention：
Embodiment：A kind of mechanical anode steel claw structure of pre-calcining electrolytic cell, as shown in attached drawing 1-2, including it is organic
The lower section of tool formula steel pawl bottom plate 9, mechanical steel pawl bottom plate 9 is equipped with anode carbon block attachment device；The top of mechanical steel pawl bottom plate 9
It is connected with anode aluminium guide-bar 2.
Mechanical steel pawl bridge foot 4, mechanical steel pawl bridge are equipped between the mechanical steel pawl bottom plate 9 and anode aluminium guide-bar 2
Foot 4 is connect with anode aluminium guide-bar 2 through aluminum steel explosion weldering composite plate 3.
The anode carbon block attachment device includes the loose slot set on mechanical 9 both sides of steel pawl bottom plate, is set in loose slot
There are mechanical steel pawl t shapes fastening bolt 5, the bottom of mechanical steel pawl t shapes fastening bolt 5 to be equipped with t shape stud bases crossbeam 12, t
Shape stud base crossbeam 12 is located at the lower section of loose slot, after the both ends of mechanical steel pawl t shapes fastening bolt 5 are pierced by loose slot,
The section that is pierced by of the upper end is equipped with mechanical steel pawl t shape fastening bolts nut 6.
The both sides of the mechanical steel pawl bottom plate 9 are additionally provided with the t shape bolt transverse directions clamping screw 8 of horizontal direction, t shape bolts
One end of lateral clamping screw 8 puts in after loose slot the side for withstanding on the mechanical steel pawl t shapes fastening bolt 5.
The t shapes stud base is equipped with t shape stud bases crossbeam 12.
It is equipped with thermal distortion compensation pad 7 between the mechanical steel pawl t shape fastening bolts nut 6 and mechanical steel pawl bottom plate 9.
The thermal distortion compensation pad 7 is the steel pad of arch.
When the present invention uses：As shown in Fig. 3,2 connection electrode of anode aluminium guide-bar first unscrews t when being packed into anode carbon block 11
Mechanical steel pawl t shapes fastening bolt 5 is moved to both sides, increases the mechanical steel pawl t shapes in both sides by shape bolt transverse direction clamping screw 8
Then the carbon block upper T shape of anode carbon block 11 connection plush copper 10 is placed on mechanical steel pawl t shapes by the spacing between fastening bolt 5
It between fastening bolt 5, pushes mechanical steel pawl t shapes fastening bolt 5 that it is made to be drawn close to centre, t shape stud bases crossbeam 12 is made to block
Enter 13 lower part of T shapes connection plush copper load shoulder of 10 both sides of carbon block upper T shape connection plush copper of new anode carbon block 15, then tightening machine
The carbon block upper T shape connection plush copper of new anode carbon block 15 is firmly fixed to t shape bolts by tool formula steel pawl t shape fastening bolts nut 6
Between base cross members 12 and the bottom surface of mechanical steel pawl bottom plate 9, t shape bolt transverse directions clamping screw 8 is then tightened, by mechanical steel
Pawl t shapes fastening bolt 5 is fixed, you can the connection for completing new anode carbon block 11 and anode steel claw, when removing anode scrap, only needing will be above-mentioned
Method contrary operation；When new anode carbon block group be put into electrolytic cell be heated when, mechanical steel pawl t shapes fastening bolt 5 by
It thermally expands, forms gap between anode carbon block 11 and mechanical steel pawl bottom plate 9, the restoring force of thermal distortion compensation pad 7 provides at this time
Pulling force lifts t shapes fastening bolt 5 and anode carbon block 11 upwards, and the T shapes on carbon block top is made to connect plush copper 10 and mechanical steel pawl
Steel pawl bottom plate 9 between do not generate gap.
Claims (5)
1. a kind of mechanical anode steel claw structure of pre-calcining electrolytic cell, it is characterised in that：It include mechanical steel pawl bottom plate
（9）, mechanical steel pawl bottom plate（9）Lower section be equipped with anode carbon block attachment device, anode carbon block attachment device includes set on machine
Tool formula steel pawl bottom plate（9）The loose slot of both sides is equipped with mechanical steel pawl t shape fastening bolts in loose slot（5）, mechanical steel pawl t
Shape fastening bolt（5）Bottom be equipped with t shape stud base's crossbeams（12）, t shape stud base's crossbeams（12）Under loose slot
Side, mechanical steel pawl t shape fastening bolts（5）Both ends be pierced by loose slot after, hold on it be pierced by section be equipped with mechanical steel
Pawl t shape fastening bolt nuts（6）；Mechanical steel pawl bottom plate（9）Top be connected with anode aluminium guide-bar（2）.
2. the mechanical anode steel claw structure of pre-calcining electrolytic cell according to claim 1, it is characterised in that：The machine
Tool formula steel pawl bottom plate（9）With anode aluminium guide-bar（2）Between be equipped with mechanical steel pawl bridge foot（4）, mechanical steel pawl bridge foot（4）With sun
Pole aluminum guide（2）It explodes through aluminum steel and welds composite plate（3）Connection.
3. the mechanical anode steel claw structure of pre-calcining electrolytic cell according to claim 1, it is characterised in that：The machine
Tool formula steel pawl bottom plate（9）Both sides be additionally provided with the t shape bolt transverse direction clamping screws of horizontal direction（8）, t shape bolt transverse direction locking screws
Bolt（8）One end put in loose slot after withstand on the mechanical steel pawl t shape fastening bolts（5）Side.
4. the mechanical anode steel claw structure of pre-calcining electrolytic cell according to claim 1, it is characterised in that：The machine
Tool formula steel pawl t shape fastening bolt nuts（6）With mechanical steel pawl bottom plate（9）Between be equipped with thermal distortion compensation pad（7）.
5. the mechanical anode steel claw structure of pre-calcining electrolytic cell according to claim 4, it is characterised in that：The heat
Deformation-compensated pad（7）It is the steel pad of arch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105098.6A CN105543895B (en) | 2016-02-26 | 2016-02-26 | A kind of mechanical anode steel claw structure of pre-calcining electrolytic cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105098.6A CN105543895B (en) | 2016-02-26 | 2016-02-26 | A kind of mechanical anode steel claw structure of pre-calcining electrolytic cell |
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| CN105543895A CN105543895A (en) | 2016-05-04 |
| CN105543895B true CN105543895B (en) | 2018-08-14 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106011937A (en) * | 2016-07-06 | 2016-10-12 | 周俊和 | Aluminum electrolysis steel claw for prebaked anode |
| CN109402673A (en) * | 2018-11-21 | 2019-03-01 | 福建省南平铝业股份有限公司 | A kind of electrolytic aluminium anode device |
| CN110042429B (en) * | 2019-04-22 | 2020-07-03 | 贵州铝城铝业原材料研究发展有限公司 | Continuous prebaked anode carbon block |
| CN110029364B (en) * | 2019-04-22 | 2020-05-19 | 贵州铝城铝业原材料研究发展有限公司 | Mechanical steel claw for aluminum electrolysis continuous prebaked anode |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205556800U (en) * | 2016-02-26 | 2016-09-07 | 周俊和 | Mechanical type anode steel claw structure for pre -baked aluminum reduction cells |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2565258B1 (en) * | 1984-05-29 | 1986-08-29 | Pechiney Aluminium | PARTIALLY SHRINKED CARBON ANODE FOR TANKS FOR THE PRODUCTION OF ALUMINUM BY ELECTROLYSIS |
| BR0108693B1 (en) * | 2000-02-24 | 2012-01-24 | method for retrofitting an aluminum fusion cell. | |
| AU7697201A (en) * | 2000-07-19 | 2002-01-30 | Alcoa Inc | Insulation assemblies for metal production cells |
| RU2231577C1 (en) * | 2002-10-25 | 2004-06-27 | Леонов Виктор Васильевич | Anodic device of the aluminum electrolyzer with the burnt anodes |
| CN202558945U (en) * | 2012-02-09 | 2012-11-28 | 赵丑娃 | Casting-free detachable spirally-assembled anode yoke for aluminum electrolysis |
| CN104726898A (en) * | 2013-12-18 | 2015-06-24 | 覃国强 | Anode carbon block and anode claw connection method and anode carbon block and anode claw |
| CN203923405U (en) * | 2014-07-04 | 2014-11-05 | 金岭 | A kind of aluminium electrolysis anode guide rod group |
| CN204417618U (en) * | 2015-02-02 | 2015-06-24 | 武汉大学 | A kind of aluminium electrolysis anode guide rod coupling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205556800U (en) * | 2016-02-26 | 2016-09-07 | 周俊和 | Mechanical type anode steel claw structure for pre -baked aluminum reduction cells |
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