CN213739728U - Spliced carbon anode for electrolytic aluminum - Google Patents
Spliced carbon anode for electrolytic aluminum Download PDFInfo
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- CN213739728U CN213739728U CN202121110293.0U CN202121110293U CN213739728U CN 213739728 U CN213739728 U CN 213739728U CN 202121110293 U CN202121110293 U CN 202121110293U CN 213739728 U CN213739728 U CN 213739728U
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Abstract
The utility model relates to an aluminium electroloysis production technical field specifically is an electrolytic aluminium is with concatenation formula carbon anode, including the positive pole body, the positive pole body is formed by two piece at least positive pole units along the horizontal direction concatenation. The utility model discloses the beneficial effect of concatenation formula carbon anode for electrolytic aluminum does: (1) because the size of the anode unit is smaller, the anode unit can be molded by adopting a small molding machine with low price, and the segregation condition of each component in the anode unit can be weakened in the molding process, so that the volume density and the strength of the carbon anode are improved, the resistivity is further reduced, and the conductive capability is improved; (2) the at least two anode units are spliced along the horizontal direction to form the anode body, so that the integrity of the anode body is better, the vibration resistance of the carbon anode can be improved, and the anode units are prevented from falling off; (3) in the aluminium electroloysis production process, can lead to the suddenly rising of temperature, the utility model discloses decompose current holistic carbon anode into two at least positive pole units, can improve carbon anode's thermal shock resistance.
Description
Technical Field
The utility model relates to an aluminium electroloysis production technical field specifically is a concatenation formula carbon anode for electrolytic aluminum.
Background
In the process of aluminum electrolysis production, the use energy efficiency of the carbon anode plays a very critical role in the stability of the electrolysis production, and directly influences the main technical indexes of the electrolysis production, such as electrolysis energy consumption, current efficiency, ton aluminum and carbon consumption and the like, so that the carbon anode is called as the heart of an aluminum electrolysis cell. The size of the conventional carbon anode is large, and the size is 1650 multiplied by 700 multiplied by 620mm taking the carbon anode for 40OKA aluminum electrolysis as an example. The carbon anode is formed by vibration molding or machine pressing, and the larger size not only causes the existing carbon anode to be formed by a larger vibration molding machine or machine pressing molding machine and has high cost, but also causes the components in the carbon anode to be seriously segregated, thereby causing the carbon anode to have lower volume density and strength, large porosity, low conductive capability, high resistivity and easy chipping.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies of the prior art mentioned above, provide an electrolysis aluminium is with concatenation formula carbon anode, include the positive pole body that forms along the horizontal direction concatenation by at least two positive pole units, because positive pole unit size is less, consequently adopt low price's small-size make-up machine to make the shaping of positive pole unit, can weaken the segregation condition of each component moreover in the forming process to improve carbon anode's bulk density and intensity.
The technical problem to be solved is realized by adopting the following technical scheme: a spliced carbon anode for electrolytic aluminum comprises an anode body, wherein the anode body is formed by splicing at least two anode units along the horizontal direction, splicing grooves and splicing lugs are respectively arranged on the adjacent anode units, the splicing grooves are arranged along the vertical direction and run through the top and the bottom of the anode units, the splicing grooves are matched with the splicing lugs,
compared with the prior art, the utility model discloses the beneficial effect of concatenation formula carbon anode for electrolytic aluminum is: (1) because the size of the anode unit is smaller, the anode unit can be molded by adopting a small molding machine with low price, and the segregation condition of each component in the anode unit can be weakened in the molding process, so that the volume density and the strength of the carbon anode are improved, the resistivity is further reduced, and the conductive capability is improved; (2) the reaction in the aluminum electrolysis production process is violent, so that the anode units can vibrate, and at least two anode units are spliced along the horizontal direction to form an anode body, so that the integrity of the anode body is better, the vibration resistance of the carbon anode can be improved, and the anode units are prevented from falling off; (3) in the aluminum electrolysis production process, the temperature can be suddenly increased, the utility model decomposes the existing integral carbon anode into at least two anode units, and the thermal shock resistance of the carbon anode can be improved; (4) the splicing groove and the splicing lug can prevent a single anode unit from vibrating in the horizontal direction and leading to looseness and falling of the joint of the anode unit and the conductive claw, and moreover, the splicing groove is arranged in the vertical direction and penetrates through the top and the bottom of the anode unit, so that the anode unit is easy to form, a mold core is not needed, machining is not needed, and the manufacturing cost can be obviously reduced.
The technical proposal of the utility model is also that: the anode unit is characterized by further comprising a conductive claw, wherein the conductive claw comprises a claw beam and claw teeth, the claw teeth are connected with the claw beam, and the anode unit is in threaded connection with at least one claw tooth. In the prior art, a phosphorus pig iron pouring method is adopted to connect a conductive claw and a carbon anode, and the phosphorus pig iron is not easy to separate from the conductive claw, so that the conductive claw needs to be repaired, the conductive claw is scrapped even when the adhesion is serious, the service life of the conductive claw is seriously influenced, and in addition, the phosphorus pig iron is easy to fall off, so that the phosphorus pig iron enters an electrolytic cell and further the electrolytic reaction is influenced. The beneficial effects of the technical scheme are as follows: (1) by connecting the claw teeth with the anode unit through the threads, the residual anode (residual carbon anode) can be conveniently and quickly detached from the claw teeth after the anode body is used, and the problems of high maintenance cost and short service life of the conductive claw caused by phosphorus pig iron adhesion in the prior art are solved; (2) phosphorus pig iron is not needed to be poured, so that the phosphorus pig iron can be prevented from falling off and entering an electrolytic cell, and the normal operation of aluminum electrolysis is ensured; (3) the threaded connection enables the connection between the anode unit and the conductive claw to be firmer, and the anode unit is prevented from falling off; (4) due to the characteristic of tight meshing of the threads, the conductivity can be ensured.
The technical proposal of the utility model is also that: the claw beam is provided with a threaded hole a, the claw teeth are provided with threaded holes b, and the anode unit is provided with a threaded hole c; the bolt is in threaded fit with the threaded hole a, the threaded hole b and the threaded hole c.
The technical proposal of the utility model is also that: the anode unit is provided with a threaded hole d, the claw beam is provided with a threaded hole e, the claw teeth are provided with a stud d and a stud e, the stud d is in threaded fit with the threaded hole d, and the stud e is in threaded fit with the threaded hole e.
The technical proposal of the utility model is also that: and a spring washer is arranged between the claw beam and the claw teeth. Adopt this technical scheme, spring washer can prevent claw roof beam and claw tooth pine and take off.
The technical proposal of the utility model is also that: and handles are arranged on the claw teeth.
The technical proposal of the utility model is also that: an exhaust groove is arranged between the adjacent anode units. For discharging CO generated in the aluminum electrolysis production process2And CO, to prevent the cell voltage from swinging dramatically.
The technical proposal of the utility model is also that: and the splicing lug is provided with a vent groove penetrating through the top and the bottom of the splicing lug. By adopting the technical scheme, CO generated in the aluminum electrolysis production process2And CO can be discharged through the vent groove, so that the exhaust capacity of the carbon anode is further enhanced.
Drawings
FIG. 1 is a schematic structural diagram of a spliced carbon anode for aluminum electrolysis in the first embodiment.
Fig. 2 is a sectional view taken along a-a in fig. 1.
FIG. 3 is an exploded view of a carbon anode fabricated by splicing for electrolyzing aluminum according to the first embodiment.
FIG. 4 is a schematic structural view of a spliced carbon anode for aluminum electrolysis in the second embodiment.
In the figure: 1. the anode unit comprises an anode unit 2, a splicing groove 3, a splicing lug 4, a claw beam 5, claw teeth 6, threaded holes a and 7, threaded holes b and 8, threaded holes c and 9, threaded holes d and 10, threaded holes e and 11, threaded studs d and 12, threaded studs e and 13, spring washers 14, handles 15, exhaust grooves 16, vent grooves 17, bolts 18, conductive rods 19 and carbon bowls.
Detailed Description
The following examples are further illustrative of the present invention, but the present invention is not limited thereto. Because of the utility model discloses it is more complicated, therefore embodiment is only right the utility model discloses a point part carries out the detail, the utility model discloses the part of not detail all can adopt prior art.
The first embodiment is as follows:
fig. 1-3 show a first embodiment of the present invention.
A spliced carbon anode for electrolytic aluminum comprises an anode body and a conductive claw.
The anode body is formed by splicing four anode units 1 along the horizontal direction. Specifically, as shown in fig. 2 and 3, adjacent anode units 1 are respectively provided with a splicing groove 2 and a splicing projection 3, and the splicing groove 2 is matched with the splicing projection 3.
The splicing groove 2 is arranged along the vertical direction and penetrates through the top and the bottom of the anode unit 1. The splicing grooves 2 and the splicing lugs 3 can prevent the single anode unit 1 from vibrating in the horizontal direction to cause the connection part of the anode unit and the conductive claw to be loosened and fall off; moreover, the splicing groove 2 is arranged along the vertical direction and penetrates through the top and the bottom of the anode unit 1, so that the anode unit 1 is easy to form, a mold core is not needed, machining is not needed, and the manufacturing cost can be obviously reduced.
The conductive claw comprises a claw beam 4 and claw teeth 5, the claw beam 4 is connected with a conductive rod 18, the claw teeth 5 are connected with the claw beam 4, and each anode unit 1 is in threaded connection with one claw tooth 5. Specifically, a threaded hole a6 is formed in the claw beam 4, a threaded hole b7 is formed in the claw tooth 5, and a threaded hole c8 is formed in the anode unit 1. Further included is a bolt 17, the bolt 17 being threadedly engaged with the threaded hole a6, the threaded hole b7, and the threaded hole c 8.
The top of the anode unit 1 is provided with a carbon bowl 19, and the outer diameter of the claw teeth 5 is matched with the inner diameter of the carbon bowl 19.
An exhaust groove 15 is arranged between the adjacent anode units 1, and the exhaust groove 15 extends upwards from the bottom of the anode unit 1 to the middle of the anode unit. For discharging CO generated in the aluminum electrolysis production process2And CO, to prevent the cell voltage from swinging dramatically.
And the splicing lug 3 is provided with a vent groove 16 penetrating through the top and the bottom of the splicing lug. CO produced in the process of aluminium electrolysis production2And CO can be discharged through the vent groove, so that the exhaust capacity of the carbon anode is further enhanced.
Because the anode unit 1 has smaller size, the anode unit 1 can be molded by a small molding machine with low price, and the segregation condition of each component can be weakened in the molding process, so that the volume density and the strength of the carbon anode are improved.
When splicing, the anode units 1 are butted along the horizontal direction, so that the splicing lug 3 of the anode unit 1 is positioned in the splicing groove 2 of the adjacent anode unit. Threaded hole a6, threaded hole b7, and threaded hole c8 are then aligned and bolt 17 is rotated so that bolt 17 enters threaded hole a6, threaded hole b7, and threaded hole c 8. After the carbon anode is used, the residual anode (residual carbon anode) can be conveniently and quickly detached from the claw teeth 5 by detaching the bolt 17, and the problems of high maintenance cost and short service life of the conductive claw caused by phosphorus pig iron adhesion in the prior art are solved. In addition, phosphorus pig iron is not needed to be poured, so that phosphorus pig iron can be prevented from falling off and entering an electrolytic cell, and the normal operation of aluminum electrolysis is ensured. The threaded connection enables the connection between the anode unit 1 and the conductive claw to be firmer, and the anode unit is prevented from falling off. Due to the characteristic of tight meshing of the threads, the conductivity can be ensured.
Example two:
fig. 4 shows a second embodiment of the present invention.
A spliced carbon anode for electrolytic aluminum comprises an anode body and a conductive claw.
The anode body is formed by splicing four anode units 1 along the horizontal direction. Specifically, as shown in fig. 2 and 3, adjacent anode units 1 are respectively provided with a splicing groove 2 and a splicing projection 3, and the splicing groove 2 is matched with the splicing projection 3.
The splicing groove 2 is arranged along the vertical direction and penetrates through the top and the bottom of the anode unit 1. The splicing grooves 2 and the splicing lugs 3 can prevent the single anode unit 1 from vibrating in the horizontal direction to cause the connection part of the anode unit and the conductive claw to be loosened and fall off; moreover, the splicing groove 2 is arranged along the vertical direction and penetrates through the top and the bottom of the anode unit 1, so that the anode unit 1 is easy to form, a mold core is not needed, machining is not needed, and the manufacturing cost can be obviously reduced.
The conductive claw comprises a claw beam 4 and claw teeth 5, the claw beam 4 is connected with a conductive rod 18, the claw teeth 5 are connected with the claw beam 4, and each anode unit 1 is in threaded connection with one claw tooth 5. Specifically, a threaded hole d9 is formed in the anode unit 1, a threaded hole e10 is formed in the claw beam 4, a stud d11 and a stud e12 are formed in the claw 5, the stud d11 is in threaded fit with the threaded hole d9, and the stud e12 is in threaded fit with the threaded hole e 10. A spring washer 13 is arranged between the claw beam 4 and the claw teeth 5, so that the claw beam 4 and the claw teeth 5 can be prevented from loosening. The claw teeth 5 are provided with handles 14.
An exhaust groove 15 is arranged between the adjacent anode units 1, and the exhaust groove 15 extends upwards from the bottom of the anode unit 1 to the middle of the anode unit. For discharging CO generated in the aluminum electrolysis production process2And CO, to prevent the cell voltage from swinging dramatically.
And the splicing lug 3 is provided with a vent groove 16 penetrating through the top and the bottom of the splicing lug. CO produced in the process of aluminium electrolysis production2And CO can be discharged through the vent groove, so that the exhaust capacity of the carbon anode is further enhanced.
Because the anode unit 1 has smaller size, the anode unit 1 can be molded by a small molding machine with low price, and the segregation condition of each component can be weakened in the molding process, so that the volume density and the strength of the carbon anode are improved.
When splicing, the anode units 1 are butted along the horizontal direction, so that the splicing lug 3 of the anode unit 1 is positioned in the splicing groove 2 of the adjacent anode unit. Threaded hole d9, threaded hole e10, stud d11 and stud e12 are then aligned, and pawl 5 is rotated by handle 14 while either lowering pawl beam 4 or raising anode unit 1 so that stud d11 enters threaded hole d9 and stud e12 enters threaded hole e 10. After the carbon anode is used, the residual anode (residual carbon anode) can be conveniently and quickly detached from the claw teeth 5, and the problems of high maintenance cost and short service life of the conductive claw caused by phosphorus pig iron adhesion in the prior art are solved. In addition, phosphorus pig iron is not needed to be poured, so that phosphorus pig iron can be prevented from falling off and entering an electrolytic cell, and the normal operation of aluminum electrolysis is ensured. The threaded connection enables the connection between the anode unit 1 and the conductive claw to be firmer, and the anode unit is prevented from falling off. Due to the characteristic of tight meshing of the threads, the conductivity can be ensured.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. The utility model provides an electrolysis aluminium is with concatenation formula carbon anode, includes the positive pole body, its characterized in that: the anode body is formed by splicing at least two anode units (1) along the horizontal direction; adjacent be equipped with concatenation recess (2) and concatenation lug (3) on positive pole unit (1) respectively, concatenation recess (2) set up and link up the top, the end of positive pole unit (1) along vertical direction, concatenation recess (2) and concatenation lug (3) match.
2. The spliced carbon anode for electrolyzing aluminum according to claim 1, wherein: the anode unit is characterized by further comprising a conductive claw, wherein the conductive claw comprises a claw beam (4) and claw teeth (5), the claw teeth (5) are connected with the claw beam (4), and the anode unit (1) is in threaded connection with at least one claw tooth (5).
3. The spliced carbon anode for electrolyzing aluminum according to claim 2, wherein: a threaded hole a (6) is formed in the claw beam (4), a threaded hole b (7) is formed in the claw tooth (5), and a threaded hole c (8) is formed in the anode unit (1); the bolt (17) is in threaded fit with the threaded hole a (6), the threaded hole b (7) and the threaded hole c (8).
4. The spliced carbon anode for electrolyzing aluminum according to claim 2, wherein: be equipped with screw hole d (9) on positive pole unit (1), be equipped with screw hole e (10) on claw roof beam (4), be equipped with double-screw bolt d (11) and double-screw bolt e (12) on claw tooth (5), double-screw bolt d (11) and screw hole d (9) screw-thread fit, double-screw bolt e (12) and screw hole e (10) screw-thread fit.
5. The spliced carbon anode for electrolyzing aluminum according to claim 4, wherein: and a spring washer (13) is arranged between the claw beam (4) and the claw teeth (5).
6. The spliced carbon anode for electrolyzing aluminum according to claim 4, wherein: the claw teeth (5) are provided with handles (14).
7. The spliced carbon anode for aluminum electrolysis according to any one of claims 2 to 6, wherein: an exhaust groove (15) is arranged between the adjacent anode units (1).
8. The spliced carbon anode for electrolyzing aluminum according to claim 7, wherein: and the splicing lug (3) is provided with a vent groove (16) penetrating through the top and the bottom of the splicing lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121110293.0U CN213739728U (en) | 2021-05-21 | 2021-05-21 | Spliced carbon anode for electrolytic aluminum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121110293.0U CN213739728U (en) | 2021-05-21 | 2021-05-21 | Spliced carbon anode for electrolytic aluminum |
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| Publication Number | Publication Date |
|---|---|
| CN213739728U true CN213739728U (en) | 2021-07-20 |
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| CN202121110293.0U Active CN213739728U (en) | 2021-05-21 | 2021-05-21 | Spliced carbon anode for electrolytic aluminum |
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