CN105543894B - The anode carbon block structure that a kind of pre-calcining electrolytic cell non-residual electrode generates - Google Patents
The anode carbon block structure that a kind of pre-calcining electrolytic cell non-residual electrode generates Download PDFInfo
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- CN105543894B CN105543894B CN201610104972.4A CN201610104972A CN105543894B CN 105543894 B CN105543894 B CN 105543894B CN 201610104972 A CN201610104972 A CN 201610104972A CN 105543894 B CN105543894 B CN 105543894B
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- carbon block
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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
- C25C3/125—Anodes based on carbon
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Abstract
The invention discloses the anode carbon block structures that a kind of pre-calcining electrolytic cell non-residual electrode generates, include charcoal block body (15), the top of charcoal block body (15) is equipped with carbon block upper T shape connection plush copper (19), the both sides of carbon block upper T shape connection plush copper (19) are equipped with T shapes connection plush copper load shoulder (17), bottom, which is equipped with, connect the carbon block lower part T shapes connecting groove (11) that plush copper (19) is used cooperatively with carbon block upper T shape, and the bottom of carbon block lower part T shapes connecting groove (11) is equipped with T shape connecting groove hook load shoulders (18).The present invention makes the utilization rate of anode carbon block be increased to 100% by traditional 70~80% by connecting after steel receiving grab is used cooperatively with non-residual electrode generation with mechanical, the production cost of electrolytic aluminium can be reduced, electrolytic cell stable conditions, electricity damage relatively low, the advantageous effect of saving heat energy.
Description
Technical field
The present invention relates to a kind of anode structure of aluminum electrolysis cell, particularly a kind of anode of pre-calcining electrolytic cell non-residual electrode generation
Carbon block structure.
Background technology
Modern Aluminium Industry produces electrolytic aluminium using prebaked anode.Prebaked anode is generally cuboid, has and stablizes
Geometry, using stone tar, pitch coke as aggregate, using coal tar pitch as binding agent, 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 the range of, each carbon block service life is general
At 23-30 days.
In existing prebaked anode Aluminum Electrolysis Production, anode steel claw is all connected with anode carbon block using phosphorus pig iron casting formula
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,
Charcoal bowl is commonly called as, 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 connected as a single entity, and form anode carbon
Block group, casting type pre-baked anode carbon blocks group are unique anode materials that modern prebaked cell uses 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 the carbon block industry changed 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 now in anode assembling workshop to the processing mode of traditional anode anode scrap at present, the anode scrap that conducting rod connects is beaten
It is broken come off after, then the anode steel bowl that the phosphorus pig iron pours smashed into the aluminium conducting rod after coming off for new carbon block, so cycle makes
With, the replacement process for having thereby resulted in carbon block is time-consuming and laborious, meanwhile, the amount of heat on anode anode scrap is also pulled away, cannot
Utilize, and when new anode is inserted into electrolytic cell need to be reheated to carbon block and steel pawl after certain temperature could beam conduction,
Heat waste is caused, reduces electrolytic efficiency.
And the yield of anode anode scrap is the 10-15% of aluminium ingot yield under normal circumstances, thereby produces great waste,
Ten thousand tons of electrolytic aluminiums of 2600-2700 are produced per year by present China to calculate, anode anode scrap is up to ten thousand tons/year of 260-390, according to anode carbon block
The anode carbon block that 2700 yuan/ton of value calculations waste every year is worth up to 10,000,000,000 yuan, and global waste is more, when anode anode scrap is long
Between impregnated in the fused electrolyte of electrolytic cell, and anode carbon element has the porosity of 25-27% in itself, has been adsorbed in anode scrap body big
The electrolyte of amount, the main component of electrolyte is fluoride salt, the anode anode scrap containing a large amount of fluoride salts to the pollution of environment very
Seriously.
Invention content
The object of the present invention is to provide the anode carbon block structure that a kind of pre-calcining electrolytic cell non-residual electrode generates, the present invention
By with it is mechanical connect after steel receiving grab is used cooperatively there is non-residual electrode to generate, make the utilization rate of anode carbon block by traditional 70~
80%, 100% is increased to, the production cost of electrolytic aluminium, electrolytic cell stable conditions can be reduced, electricity damages relatively low, saving heat energy
The characteristics of.
Technical scheme of the present invention：The anode carbon block structure that a kind of pre-calcining electrolytic cell non-residual electrode generates, includes carbon block
Ontology, the top of charcoal block body are equipped with carbon block upper T shape and connect plush copper, and the both sides of carbon block upper T shape connection plush copper connect equipped with T shapes
Plush copper load shoulder is connect, bottom is equipped with and the carbon block lower part T shape connecting grooves that plush copper is used cooperatively, carbon block are connect with carbon block upper T shape
The bottom of lower part T shape connecting grooves is equipped with T shape connecting groove hook load shoulders.
The anode carbon block structure that aforementioned pre-calcining electrolytic cell non-residual electrode generates, the top of the charcoal block body both sides is sun
Pole both shoulders upper surface, the anode both shoulders upper surface of both sides tilts separately down, in splayed shape, the bottom surface of charcoal block body and anode
Both shoulders upper surface is parallel.
The anode carbon block structure that aforementioned pre-calcining electrolytic cell non-residual electrode generates, the anode both shoulders upper surface tilts down
Angle be 5-20 °.
The anode carbon block structure that aforementioned pre-calcining electrolytic cell non-residual electrode generates, the anode both shoulders upper surface tilts down
Angle be 8-10 °.
The anode carbon block structure that aforementioned pre-calcining electrolytic cell non-residual electrode generates, the sun at the top of the charcoal block body both sides
The outside of pole both shoulders upper surface is equipped with horizontal load shoulder.
Beneficial effects of the present invention：The present invention by carbon block upper T shape being set to connect plush copper in the top of charcoal block body, and
The carbon block lower part T shape connecting grooves for connecting with carbon block upper T shape plush copper and being used cooperatively are set in the bottom of charcoal block body, during use
First by the old anode carbon block after scaling loss from it is mechanical connect removed on steel receiving grab, new charcoal block body is taken to be connected to mechanical connection steel
On pawl, then the carbon block upper T shape of old anode carbon block connection plush copper is inserted into the carbon block lower part T shape connecting grooves of new charcoal block body
It is interior, realize that anode carbon block is used with the old pole connection of new pole band, non-residual electrode generates, and makes the utilization rate of anode by original 70~80%
100% is promoted to, reduces the cost of electrolysis production.Meanwhile there is no excessively thin anode carbon blocks by the present invention, just there is no conductions
Uneven situation occurs, and therefore, operating mode is very stable, and electricity damage is relatively low.Meanwhile the present invention connects steel receiving grab cooperation with mechanical
It is attached in use, not needing to take old anode carbon block and steel pawl to composing room, it can be real by potroom electrolytic cell
It now connects, the heat reduced on charcoal block body scatters and disappears (it was verified that the heat of anode carbon block replacement process Anodic carbon block group dissipates
It fails to keep an appointment 20%), to have saved thermal energy.In addition, the present invention is by the way that the anode both shoulders upper surface at the top of charcoal block body both sides is set
Into the splayed shape tilted down, to form new anode carbon block group when new charcoal block body is connected with old anode carbon block and reuse
When, the joint face of new charcoal block body and old anode carbon block is gradually depleted from two lateral centres, avoids the old of junction
Anode carbon block, which is fallen into after coming off in molten aluminum, influences normal production, further improves the stable conditions of electrolytic cell.In addition, this hair
It is bright by setting horizontal load shoulder in the outside of the anode both shoulders upper surface on charcoal block body both sides top, when carbon block transport, weigh
The gravity for being stacked in the carbon block on upper strata is vertically pressed in the carbon block of lower floor, avoid transportational process at the middle and upper levels carbon block bottom because
Carbon block is damaged by after the larger power along plane perpendicular direction, ensure that the transportation safety of carbon block.In conclusion the present invention is logical
Cross with it is mechanical connect after steel receiving grab is used cooperatively there is non-residual electrode to generate, make the utilization rate of anode carbon block by traditional 70~
80%, 100% is increased to, the production cost of electrolytic aluminium, electrolytic cell stable conditions can be reduced, electricity damages relatively low, saving heat energy
Advantageous effect.
Description of the drawings
Accompanying drawing 1 is the structural representation of the present invention；
Attached drawing 2 is the present invention with mechanically connecting structure diagram when steel receiving grab is used cooperatively.
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 blocks and steel pawl joint face, 11- carbon blocks lower part T shapes
Connecting groove, 12-t shape stud base's crossbeams, 13- anode both shoulders upper surface, 14- fastening bolts, 15- charcoal block bodies, the old anodes of 16-
Carbon block, 17-T shapes connection plush copper load shoulder, 18-T shape connecting groove hook load shoulders, 19- carbon block upper Ts shape connection plush copper, 20- water
Flat load shoulder.
Specific embodiment
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：The anode carbon block structure that a kind of pre-calcining electrolytic cell non-residual electrode generates, as shown in Figure 1, includes charcoal
Block body 15, the top of charcoal block body 15 are equipped with carbon block upper T shape and connect plush copper 19, and carbon block upper T shape connects the two of plush copper 19
Side is equipped with T shapes connection plush copper load shoulder 17, and bottom is equipped with and the carbon block lower part T that plush copper 19 is used cooperatively is connect with carbon block upper T shape
Shape connecting groove 11, the bottom of carbon block lower part T shapes connecting groove 11 are equipped with T shape connecting groove hook loads shoulder 18.
The top of 15 both sides of charcoal block body is anode both shoulders upper surface 13, and the anode both shoulders upper surface 13 of both sides is distinguished
It tilts down, in splayed shape, the bottom surface of charcoal block body 15 is parallel with anode both shoulders upper surface 13.
The angle that the anode both shoulders upper surface 13 tilts down is 5-20 ° (preferably 8-10 °).
The outside of the anode both shoulders upper surface 13 at the top of 15 both sides of charcoal block body is equipped with horizontal load shoulder 20.
The present invention is in use, as shown in Figure 2, charcoal block body 15, which is connected to, mechanically to be connected on steel receiving grab, mechanical connection
Steel pawl includes mechanical steel pawl bottom plate 9, and the top of mechanical steel pawl bottom plate 9 is connected with mechanical steel pawl bridge foot 4, mechanical steel
The top of pawl bridge foot 4 is connected with anode aluminium guide-bar 2 for conduction through aluminum steel explosion weldering composite plate 3, and anode aluminium guide-bar 2 is equipped with sun
Pole aluminum guide pin hole 1.The both sides of the mechanical steel pawl bottom plate 9 are equipped with loose slot, and mechanical steel pawl t shapes are equipped in loose slot
Fastening bolt 5, the bottom of mechanical steel pawl t shapes fastening bolt 5 are equipped with t shape stud bases crossbeam 12, t shape stud bases crossbeam 12
Positioned at the lower section of loose slot, the carbon block upper T shape connection plush copper 19 of charcoal block body 15 is located at the tool formula steel pawl t shapes of both sides during connection
Between fastening bolt 5, t shape stud bases crossbeam 12 clasps the T shapes connection plush copper load shoulder 17 of the charcoal block body 15 of new carbon block, machine
After the both ends of tool formula steel pawl t shapes fastening bolt 5 are pierced by loose slot, hold on it be pierced by section equipped with mechanical steel pawl t shapes it is tight
Gu bolt nut 6, for locking carbon block, the lower section of mechanical steel pawl t shape fastening bolts nut 6 is equipped with thermal distortion compensation pad 7, locks charcoal
The t shape bolt transverse directions clamping screw 8 that the both sides of mechanical steel pawl bottom plate 9 are tightened after block consolidates mechanical steel pawl t shapes fastening bolt 5
It is fixed, after new charcoal block body 15 is connected to mechanical connect on steel receiving grab, the old anode carbon block 16 removed is connected to new
The lower section of anode carbon block ontology 15 is needed before connection by the anode both shoulders upper surface 13 of old anode carbon block 16 and carbon block upper T shape
The upper surface (i.e. carbon block and steel pawl joint face 10) of connection plush copper 19 carries out polishing and removes the sundries such as alumina, is then water-cooled
The anode both shoulders upper surface 13 of old anode carbon block 16 connects the upper surface of plush copper 19 with carbon block upper T shape, it is made to be cooled to 50-
150 DEG C or so, then first the anode both shoulders upper surface 13 of the old anode carbon block 16 after cooling connects plush copper with carbon block upper T shape
Last layer coal tar is applied on 19 upper surface, then covers one layer using pitch as bonding agent, with pitch and graphite (wherein pitch 5-
30%th, graphite 70-95%) composition carbon block bonding conductive material, then by the carbon block upper T shape of old anode carbon block 16 connect plush copper
19 11 grafting of carbon block lower part T shapes connecting groove of new anode carbon block 15 with being installed on anode steel claw, after grafting, in new sun
It is formed between the T shape connecting groove hook loads shoulder 18 of pole carbon block 15 and the T shapes connection plush copper load shoulder 17 of old anode carbon block 16
Pureed fastening material (stemming used in steel industry) is inserted in gap, makes pureed tight using the old high temperature of itself of anode carbon block 16
Admittedly form fastening bolt 14 after expecting quick solidification, both new anode carbon block group；Finally obtained new anode carbon block group is turned back to
It works in electrolytic cell, that is, realizes the prd-baked Al electrolysis production that no anode anode scrap generates.
Claims (3)
1. a kind of anode carbon block structure that pre-calcining electrolytic cell non-residual electrode generates, it is characterised in that：Include charcoal block body（15）,
Charcoal block body（15）Top be equipped with carbon block upper T shape connect plush copper（19）, carbon block upper T shape connection plush copper（19）Both sides set
There are T shapes to connect plush copper load shoulder（17）, bottom is equipped with connect plush copper with carbon block upper T shape（19）The carbon block lower part T being used cooperatively
Shape connecting groove（11）, carbon block lower part T shape connecting grooves（11）Bottom be equipped with T shape connecting groove hook load shoulders（18）；It is described
Charcoal block body（15）The top of both sides is anode both shoulders upper surface（13）, the anode both shoulders upper surface of both sides（13）Incline separately down
Tiltedly, in splayed shape, charcoal block body（15）Bottom surface and anode both shoulders upper surface（13）It is parallel；The charcoal block body（15）Both sides
Top anode both shoulders upper surface（13）Outside be equipped with horizontal load shoulder（20）.
2. the anode carbon block structure that pre-calcining electrolytic cell non-residual electrode as described in claim 1 generates, it is characterised in that：The sun
Pole both shoulders upper surface（13）The angle tilted down is 5-20 °.
3. the anode carbon block structure that pre-calcining electrolytic cell non-residual electrode as claimed in claim 2 generates, it is characterised in that：The sun
Pole both shoulders upper surface（13）The angle tilted down is 8-10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610104972.4A CN105543894B (en) | 2016-02-26 | 2016-02-26 | The anode carbon block structure that a kind of pre-calcining electrolytic cell non-residual electrode generates |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610104972.4A CN105543894B (en) | 2016-02-26 | 2016-02-26 | The anode carbon block structure that a kind of pre-calcining electrolytic cell non-residual electrode generates |
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| CN105543894B true CN105543894B (en) | 2018-07-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110029362B (en) * | 2019-04-22 | 2020-05-19 | 贵州铝城铝业原材料研究发展有限公司 | Split type filling block continuous prebaked anode carbon block |
| CN115058742A (en) * | 2022-07-06 | 2022-09-16 | 兰州理工大学 | Aluminum-carbon direct-connection anode working group for aluminum electrolytic cell |
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| CN101886275A (en) * | 2009-05-13 | 2010-11-17 | 高德金 | Prebaked anode carbon block structure of aluminum electrolysis cell |
| CN201746596U (en) * | 2010-05-25 | 2011-02-16 | 高德金 | Anode carbon block structure formed by low-compensating, heightening and connecting with pre-baked aluminum electrolytic cell |
| CN102719853A (en) * | 2012-07-05 | 2012-10-10 | 湖南创元新材料有限公司 | Novel prebaked anode, combined prebaked anode and steel stud for prebaked anode |
| CN103088367A (en) * | 2011-10-31 | 2013-05-08 | 贵阳铝镁设计研究院有限公司 | Continuous prebaked anode combination structure of aluminum electrolysis tank |
| CN202989302U (en) * | 2012-12-12 | 2013-06-12 | 赵红军 | Hook-type continuous prebaked anode assembly for aluminum electrolysis |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103484891B (en) * | 2012-06-11 | 2016-06-15 | 内蒙古联合工业有限公司 | A kind of electrolgtic aluminium electrolyzer and use the electrolysis process of this electrolyzer |
| CN205556802U (en) * | 2016-02-26 | 2016-09-07 | 周俊和 | Pre -baked aluminum reduction cells does not have positive pole charcoal block structure that anode scrap produced |
-
2016
- 2016-02-26 CN CN201610104972.4A patent/CN105543894B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886275A (en) * | 2009-05-13 | 2010-11-17 | 高德金 | Prebaked anode carbon block structure of aluminum electrolysis cell |
| CN201746596U (en) * | 2010-05-25 | 2011-02-16 | 高德金 | Anode carbon block structure formed by low-compensating, heightening and connecting with pre-baked aluminum electrolytic cell |
| CN103088367A (en) * | 2011-10-31 | 2013-05-08 | 贵阳铝镁设计研究院有限公司 | Continuous prebaked anode combination structure of aluminum electrolysis tank |
| CN102719853A (en) * | 2012-07-05 | 2012-10-10 | 湖南创元新材料有限公司 | Novel prebaked anode, combined prebaked anode and steel stud for prebaked anode |
| CN202989302U (en) * | 2012-12-12 | 2013-06-12 | 赵红军 | Hook-type continuous prebaked anode assembly for aluminum electrolysis |
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| CN105543894A (en) | 2016-05-04 |
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Effective date of registration: 20180607 Address after: 550014 1 unit 3, No. 99 Yucai Road, Baiyun District, Guiyang, Guizhou, China 601 Applicant after: Guizhou Lvcheng Raw Material of Aluminum Research and Development Co., Ltd. Address before: 550014 Guiyang, Baiyun District, Guiyang, Guizhou, 470 Ring Road, Al Town, Aluminum Inc Applicant before: Zhou Junhe Applicant before: Du Yanhua |
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