CN105543894A - Anode carbon block structure for prebaking aluminum cell with no residue anode - Google Patents
Anode carbon block structure for prebaking aluminum cell with no residue anode Download PDFInfo
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- CN105543894A CN105543894A CN201610104972.4A CN201610104972A CN105543894A CN 105543894 A CN105543894 A CN 105543894A CN 201610104972 A CN201610104972 A CN 201610104972A CN 105543894 A CN105543894 A CN 105543894A
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- anode
- carbon block
- charcoal block
- charcoal
- anode carbon
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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
Abstract
The invention discloses an anode carbon block structure for a prebaking aluminum cell with no residue anode. The anode carbon block structure comprises a carbon block body (15). An upper carbon block T-shaped connection convex head (19) is arranged on the top of the carbon block body (15). The two sides of the upper carbon block T-shaped connection convex head (19) are provided with T-shaped connection convex head force-bearing shoulders (17). The bottom of the upper carbon block T-shaped connection convex head (19) is provided with a lower carbon block T-shaped connection groove (11) used in cooperation with the upper carbon block T-shaped connection convex head (19). The bottom of the lower carbon block T-shaped connection groove (11) is provided with T-shaped connection groove hook force-bearing shoulder (18). The anode carbon block structure has the advantages that no residue anode is generated after the anode carbon block structure is used in cooperation with a mechanical connection steel claw, the utilization rate of the anode carbon block is improved from traditional 70-80% to 100%, the production cost of electrolytic aluminum can be lowered, the working conditions of the electrolytic cell is stable, electrical losses are low relatively, and heat energy is saved.
Description
Technical field
The present invention relates to a kind of anode structure of aluminum electrolysis cell, the anode carbon block structure of particularly a kind of pre-calcining electrolytic cell non-residual electrode generation.
Background technology
Modern Aluminium Industry, all adopts prebaked anode to produce electrolytic aluminum.Prebaked anode is generally rectangular parallelepiped, has stable geometrical shape, and with stone tar, pitch coke for aggregate, take coal-tar pitch as binding agent, have different sizes according to the size of electrolytic cell currents and the difference of technique, its current density is generally at 0.68-0.9A/cm
2in scope, each charcoal block life cycle is generally at 23-30 days.
In existing prebaked anode Aluminum Electrolysis Production, anode steel jaw and anode carbon block all adopt phosphorus pig iron casting formula to be connected, being provided with 2-4 diameter at the upper surface of pre-baked anode carbon blocks conducting direction is 160-180mm, be the circular groove of 80-110mm deeply, be commonly called as charcoal bowl, when anode assembling, charcoal bowl is used for laying anode joint, with the phosphorus pig iron, anode joint is cast in charcoal bowl, steel pawl head is connected by aluminum steel explosive welding with aluminium conducting rod, such conductive anode rod and anode carbon block are connected as a single entity, composition anode carbon block group, casting type pre-baked anode carbon blocks group is unique anode material that modern prebaked cell uses at present.
In Aluminum Electrolysis Production process, the oxygen that carbon anode and alumina eltrolysis decompose out at high temperature constantly reacts, carbon dioxide gas and constantly consuming, and needs timing to change, is referred to as anode anode scrap in the charcoal block industry changed.Prd-baked Al electrolysis is produced must produce a large amount of anode anode scrap, and it is 60 ~ seventies of last century that non-residual electrode produces, and prd-baked Al electrolysis technical maturity has carried out the industry dream never realized.
Now the current processing mode to traditional anode anode scrap is in anode assembling workshop, the anode scrap that conducting rod connects is smashed after coming off, the anode steel bowl of being built by the phosphorus pig iron is again smashed the aluminium conducting rod after coming off and is used for new charcoal block, so recycle, the Renewal process causing charcoal block is thus wasted time and energy, simultaneously, amount of heat on anode anode scrap is also pulled away, be not used, and new anode need when inserting electrolyzer to reheat after certain temperature charcoal block and steel pawl could beam conduction, cause heat waste, reduce electrolytic efficiency.
And generally the generation of anode anode scrap is the 10-15% of aluminium ingot output, thereby produce great waste, produce 2600-2700 ten thousand tons of electrolytic aluminums per year by present China to calculate, anode anode scrap is up to 260-390 ten thousand tons/year, the anode carbon block wasted every year according to anode carbon block 2700 yuan/ton of value calculation is worth and reaches 10,000,000,000 yuan, global waste is more, anode anode scrap soaks for a long time in the fused electrolyte of electrolyzer, and anode carbon element itself has the porosity of 25-27%, the a large amount of ionogen of anode scrap body internal adsorption, electrolytical main component is fluoride salt, anode anode scrap containing a large amount of fluoride salt is very serious to the pollution of environment.
Summary of the invention
The object of the invention is to, the anode carbon block structure that a kind of pre-calcining electrolytic cell non-residual electrode produces is provided, the present invention by with mechanical type connect steel receiving grab with the use of after there is non-residual electrode produce, make the utilization ratio of anode carbon block by traditional 70 ~ 80%, bring up to 100%, the production cost of electrolytic aluminum can be reduced, electrolyzer stable conditions, electricity damages relatively low, the feature of saving heat energy.
Technical scheme of the present invention: the anode carbon block structure that a kind of pre-calcining electrolytic cell non-residual electrode produces, include charcoal block body, the top of charcoal block body is provided with charcoal block upper T shape and connects plush copper, the both sides that charcoal block upper T shape connects plush copper are provided with T-shaped connection plush copper load shoulder, bottom be provided with to be connected with charcoal block upper T shape plush copper with the use of charcoal block bottom T-shaped connecting groove, the bottom of charcoal block bottom T-shaped connecting groove is provided with T-shaped connecting groove hook load and takes on.
The anode carbon block structure that aforesaid pre-calcining electrolytic cell non-residual electrode produces, the top of described charcoal block body both sides is anode both shoulders upper surfaces, the anode both shoulders upper surface of both sides is respectively to having a down dip, and in Eight characters shape, the bottom surface of charcoal block body is parallel with anode both shoulders upper surface.
The anode carbon block structure that aforesaid pre-calcining electrolytic cell non-residual electrode produces, the downward-sloping angle of described anode both shoulders upper surface is 5-20 °.
The anode carbon block structure that aforesaid pre-calcining electrolytic cell non-residual electrode produces, the downward-sloping angle of described anode both shoulders upper surface is 8-10 °.
The anode carbon block structure that aforesaid pre-calcining electrolytic cell non-residual electrode produces, the outside of the anode both shoulders upper surface at the top of described charcoal block body both sides is provided with horizontal load shoulder.
Beneficial effect of the present invention: the present invention connects plush copper by arranging charcoal block upper T shape above charcoal block body, and arrange in the bottom of charcoal block body to be connected with charcoal block upper T shape plush copper with the use of charcoal block bottom T-shaped connecting groove, first the old anode carbon block after scaling loss is connected steel receiving grab from mechanical type during use to take off, get new charcoal block body to be connected to mechanical type and to connect on steel receiving grab, then the charcoal block upper T shape of old anode carbon block being connected plush copper inserts in the charcoal block bottom T-shaped connecting groove of new charcoal block body, realize anode carbon block and connect use with the old pole of new pole band, non-residual electrode produces, the utilization ratio of anode is made to be promoted to 100% by original 70 ~ 80%, reduce the cost of electrolysis production.Meanwhile, there is not thin anode carbon block in the present invention, and just there is not the uneven situation of conduction and occur, therefore, operating mode is very stable, and electricity damages also relatively low.Simultaneously, the present invention and mechanical type connect steel receiving grab with the use of time, do not need to take old anode carbon block to composing room with steel pawl to be connected, connect other can the realization of potroom electrolyzer, the heat loss reduced on charcoal block body (facts have proved, the heat loss of anode carbon block Renewal process Anodic charcoal block group is about 20%), save heat energy.In addition, the present invention is by being arranged to downward-sloping Eight characters shape by the anode both shoulders upper surface of charcoal block body two side roof part, when new charcoal block body and old anode carbon block be connected to form new anode carbon block group reuse time, new charcoal block body and the joint face of old anode carbon block are depleted gradually in the middle of two side direction, fall into the normal production of impact in aluminium liquid after avoiding the old anode carbon block of junction to come off, further increase the stable conditions of electrolyzer.In addition, the present invention is by the horizontal load shoulder of the arranged outside of the anode both shoulders upper surface on top, charcoal block body both sides, when charcoal block transports, the gravity overlapping the charcoal block on upper strata is vertically pressed on the charcoal block of lower floor, avoiding the bottom of transportation charcoal block at the middle and upper levels because being subject to larger damaging charcoal block after the power in plane perpendicular direction, ensure that the transportation safety of charcoal block.In sum, the present invention by with mechanical type connect steel receiving grab with the use of after there is non-residual electrode produce, make the utilization ratio of anode carbon block by traditional 70 ~ 80%, bring up to 100%, the production cost of electrolytic aluminum can be reduced, electrolyzer stable conditions, electricity damages relatively low, the beneficial effect of saving heat energy.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 be the present invention and mechanical type connect steel receiving grab with the use of time structural representation.
Description of reference numerals: 1-anode aluminium guide-bar pin hole, 2-anode aluminium guide-bar, 3-aluminum steel explosive welding composition board, 4-mechanical type steel pawl bridge pin, 5-mechanical type steel pawl t shape holding bolt, 6-mechanical type steel pawl t shape fastening bolt nut, 7-thermal distortion compensation pad, the horizontal securing bolt of 8-t shape bolt, 9-mechanical type steel pawl base plate, 10-charcoal block and steel pawl joint face, 11-charcoal block bottom T-shaped connecting groove, 12-t shape stud base crossbeam, 13-anode both shoulders upper surface, 14-fastening bolt, 15-charcoal block body, the old anode carbon block of 16-, 17-T shape connects plush copper load shoulder, 18-T shape connecting groove hook load is takeed on, 19-charcoal block upper T shape connects plush copper, the horizontal load shoulder of 20-.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
Embodiments of the invention:
Embodiment: the anode carbon block structure that a kind of pre-calcining electrolytic cell non-residual electrode produces, as shown in Figure 1, include charcoal block body 15, the top of charcoal block body 15 is provided with charcoal block upper T shape and connects plush copper 19, the both sides that charcoal block upper T shape connects plush copper 19 are provided with T-shaped connection plush copper load shoulder 17, bottom be provided with to be connected with charcoal block upper T shape plush copper 19 with the use of charcoal block bottom T-shaped connecting groove 11, the bottom of charcoal block bottom T-shaped connecting groove 11 is provided with T-shaped connecting groove hook load and takes on 18.
The top of described charcoal block body 15 both sides is anode both shoulders upper surface 13, and the anode both shoulders upper surface 13 of both sides is respectively to having a down dip, and in Eight characters shape, the bottom surface of charcoal block body 15 is parallel with anode both shoulders upper surface 13.
The downward-sloping angle of described anode both shoulders upper surface 13 is 5-20 ° (preferably 8-10 °).
The outside of the anode both shoulders upper surface 13 at the top of described charcoal block body 15 both sides is provided with horizontal load shoulder 20.
When the present invention uses, as shown in Figure 2, charcoal block body 15 is connected to mechanical type and connects on steel receiving grab, mechanical type connects steel receiving grab and includes mechanical type steel pawl base plate 9, the top of mechanical type steel pawl base plate 9 is connected with mechanical type steel pawl bridge pin 4, the top of mechanical type steel pawl bridge pin 4 is connected with anode aluminium guide-bar 2 for conduction through aluminum steel explosive welding composition board 3, and anode aluminium guide-bar 2 is provided with anode aluminium guide-bar pin hole 1.The both sides of described mechanical type steel pawl base plate 9 are provided with loose slot, mechanical type steel pawl t shape holding bolt 5 is provided with in loose slot, the bottom of mechanical type steel pawl t shape holding bolt 5 is provided with t shape stud base crossbeam 12, t shape stud base crossbeam 12 is positioned at the below of loose slot, during connection, the charcoal block upper T shape of charcoal block body 15 connects plush copper 19 between the tool formula steel pawl t shape holding bolt 5 of both sides, the T-shaped that t shape stud base crossbeam 12 fastens the charcoal block body 15 of new charcoal block connects plush copper load shoulder 17, after the two ends of mechanical type steel pawl t shape holding bolt 5 pass loose slot, the section of passing at its upper end is provided with mechanical type steel pawl t shape fastening bolt nut 6 for locking charcoal block, the below of mechanical type steel pawl t shape fastening bolt nut 6 is provided with thermal distortion compensation pad 7, mechanical type steel pawl t shape holding bolt 5 is fixed by the horizontal securing bolt 8 of t shape bolt tightening the both sides of mechanical type steel pawl base plate 9 after locking charcoal block, connect after on steel receiving grab when new charcoal block body 15 is connected to mechanical type, the old anode carbon block 16 taken off is connected to the below of new anode carbon block body 15, need the upper surface (i.e. charcoal block and steel pawl joint face 10) the anode both shoulders upper surface 13 of old anode carbon block 16 being connected plush copper 19 with charcoal block upper T shape to carry out polishing before connection and remove the foreign material such as aluminum oxide, then be connected the upper surface of plush copper 19 with charcoal block upper T shape with the anode both shoulders upper surface 13 of the old anode carbon block 16 of water cooling, it is made to be cooled to about 50-150 DEG C, the anode both shoulders upper surface 13 of the old anode carbon block 16 then first after cooling is connected plush copper 19 upper surface with charcoal block upper T shape is coated with last layer coal tar, covering one deck again take pitch as caking agent, with pitch and graphite (its medium pitch 5-30%, graphite 70-95%) the bonding conductive material of charcoal block that forms, then the charcoal block upper T shape of old anode carbon block 16 is connected plush copper 19 and charcoal block bottom T-shaped connecting groove 11 grafting being installed on the new anode carbon block 15 on anode steel jaw, after grafting, to be connected plush copper load with the T-shaped of old anode carbon block 16 at the T-shaped connecting groove hook load shoulder 18 of new anode carbon block 15 to take in the gap that formed between 17 and insert the fastening material of pureed (stemming used in steel industry), fastening bolt 14 is formed after utilizing the high temperature of old anode carbon block 16 self to make the fastening material quick solidification of pureed, both anode carbon block group newly, finally the new anode carbon block group obtained turned back in electrolyzer and work on, the prd-baked Al electrolysis namely realizing producing without anode anode scrap is produced.
Claims (5)
1. the anode carbon block structure of a pre-calcining electrolytic cell non-residual electrode generation, it is characterized in that: include charcoal block body (15), the top of charcoal block body (15) is provided with charcoal block upper T shape and connects plush copper (19), the both sides that charcoal block upper T shape connects plush copper (19) are provided with T-shaped connection plush copper load shoulder (17), bottom be provided with to be connected with charcoal block upper T shape plush copper (19) with the use of charcoal block bottom T-shaped connecting groove (11), the bottom of charcoal block bottom T-shaped connecting groove (11) is provided with T-shaped connecting groove hook load and takes on (18).
2. the anode carbon block structure of pre-calcining electrolytic cell non-residual electrode generation as claimed in claim 1, it is characterized in that: the top of described charcoal block body (15) both sides is anode both shoulders upper surface (13), the anode both shoulders upper surface (13) of both sides is respectively to having a down dip, in Eight characters shape, the bottom surface of charcoal block body (15) is parallel with anode both shoulders upper surface (13).
3. the anode carbon block structure of pre-calcining electrolytic cell non-residual electrode generation as claimed in claim 2, is characterized in that: the angle that described anode both shoulders upper surface (13) is downward-sloping is 5-20 °.
4. the anode carbon block structure of pre-calcining electrolytic cell non-residual electrode generation as claimed in claim 3, is characterized in that: the angle that described anode both shoulders upper surface (13) is downward-sloping is 8-10 °.
5. the anode carbon block structure of pre-calcining electrolytic cell non-residual electrode generation as claimed in claim 2, is characterized in that: the outside of the anode both shoulders upper surface (13) at the top of described charcoal block body (15) both sides is provided with horizontal load shoulder (20).
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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| 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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| CN105543894A true CN105543894A (en) | 2016-05-04 |
| CN105543894B CN105543894B (en) | 2018-07-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110029362A (en) * | 2019-04-22 | 2019-07-19 | 贵州铝城铝业原材料研究发展有限公司 | A kind of split type filling block continuous prebaked anode cell carbon block |
| CN110042429A (en) * | 2019-04-22 | 2019-07-23 | 贵州铝城铝业原材料研究发展有限公司 | A kind of continuous prebaked anode cell carbon block |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110029362A (en) * | 2019-04-22 | 2019-07-19 | 贵州铝城铝业原材料研究发展有限公司 | A kind of split type filling block continuous prebaked anode cell carbon block |
| CN110042429A (en) * | 2019-04-22 | 2019-07-23 | 贵州铝城铝业原材料研究发展有限公司 | A kind of continuous prebaked anode cell 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 |
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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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