CN220867535U - Carbon anode for aluminum electrolysis - Google Patents
Carbon anode for aluminum electrolysis Download PDFInfo
- Publication number
- CN220867535U CN220867535U CN202322683113.3U CN202322683113U CN220867535U CN 220867535 U CN220867535 U CN 220867535U CN 202322683113 U CN202322683113 U CN 202322683113U CN 220867535 U CN220867535 U CN 220867535U
- Authority
- CN
- China
- Prior art keywords
- chute
- carbon
- bowl
- axis
- anode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 92
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 27
- 239000003610 charcoal Substances 0.000 claims abstract description 13
- 238000003754 machining Methods 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 210000000078 claw Anatomy 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 230000028161 membrane depolarization Effects 0.000 abstract description 5
- 238000003801 milling Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The utility model relates to the technical field of carbon anodes for aluminum electrolysis, in particular to a carbon anode for aluminum electrolysis, which comprises an anode body, wherein a carbon bowl is arranged at the top of the anode body; the lateral wall of charcoal bowl is equipped with the chute, the chute sets up along the radial slope of charcoal bowl for the axis of charcoal bowl, the lower extreme of chute is greater than the upper end of chute and the distance of charcoal bowl axis. Compared with the prior art, the utility model has the advantages that the chute is obliquely arranged relative to the axis of the carbon bowl along the radial direction of the carbon bowl, and the distance between the lower end of the chute and the axis of the carbon bowl is larger than the distance between the upper end of the chute and the axis of the carbon bowl, namely, the chute is obliquely extended along the horizontal direction of the anode body, and the horizontal direction of the anode body has enough thickness to bear acting force, so compared with the spiral chute which is obliquely arranged along the circumferential direction of the carbon bowl in the prior art, more chutes can be arranged to increase the connection strength and the contact area of the steel claw and the carbon anode, thereby preventing the depolarization and improving the conductivity.
Description
Technical Field
The utility model relates to the technical field of carbon anodes for aluminum electrolysis, in particular to a carbon anode for aluminum electrolysis, which is not easy to depolarize and has high conductivity.
Background
The modern metal aluminum production process is mainly cryolite-alumina fused salt electrolysis process, the electrolysis process is carried out in an electrolytic tank, the raw material used for electrolysis is alumina, the electrolyte is molten cryolite, the anode is a carbon anode, and the cathode is a graphite block. The direct current is fed into an electrolytic tank, electrochemical reaction is carried out on the anode and the cathode in the electrolytic tank, molten aluminum is obtained from the cathode, and carbon dioxide is separated out from the anode.
CN109338410a discloses a flat bottom carbon bowl anode for aluminum, which comprises a plurality of carbon bowl parts arranged on the anode, and spiral grooves are arranged on the inner sides of the carbon bowl parts. After the steel claw is inserted into the carbon bowl, pouring phosphorus pig iron into the spiral groove, and firmly embedding the solidified phosphorus pig iron into the carbon bowl part, so that the connection strength of the steel claw and the anode is increased, and the pole-removing accident is prevented; in addition, the spiral groove can increase the contact area between the steel claw and the anode, thereby reducing the resistance and increasing the conductivity. In this scheme, as shown in fig. 1, the walls between the adjacent spiral grooves 5 are subjected to the action force, and since the spiral grooves 5 are inclined in the circumferential direction of the carbon bowl, when the number of the spiral grooves is large, the wall thickness between the adjacent spiral grooves 5 is inevitably thinner, and the thinner walls are extremely easy to crack, thereby causing the depolarization. This results in a limited number of helical grooves 5, which in turn affects the strength of the connection between the steel claw and the anode and the electrical conductivity.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a carbon anode for aluminum electrolysis, which is characterized in that a chute is obliquely arranged relative to the axis of a carbon bowl, and the distance between the lower end of the chute and the axis of the carbon bowl is larger than the distance between the upper end of the chute and the axis of the carbon bowl, so that the connection strength and the contact area between a steel claw and the carbon anode are increased, and the depolarization is prevented and the conductivity is improved.
The technical problems to be solved are realized by adopting the following technical scheme: the carbon anode for aluminum electrolysis comprises an anode body, wherein a carbon bowl is arranged at the top of the anode body; the lateral wall of charcoal bowl is equipped with the chute, the chute sets up along the radial slope of charcoal bowl for the axis of charcoal bowl, the lower extreme of chute is greater than the upper end of chute and the distance of charcoal bowl axis.
Compared with the prior art, the carbon anode for aluminum electrolysis has the beneficial effects that: in the utility model, the chute is obliquely arranged relative to the axis of the carbon bowl along the radial direction of the carbon bowl, and the distance between the lower end of the chute and the axis of the carbon bowl is larger than the distance between the upper end of the chute and the axis of the carbon bowl, namely, the chute extends obliquely along the horizontal direction of the anode body, and the anode body has enough thickness to bear acting force, so compared with the spiral chute which is obliquely arranged along the circumferential direction of the carbon bowl in the prior art, more chutes can be arranged to increase the connection strength and the contact area of the steel claw and the carbon anode, thereby preventing the depolarization and improving the conductivity.
According to the technical scheme, the included angle between the chute and the axis of the carbon bowl is 1-5 degrees.
According to the technical scheme, the included angle between the chute and the axis of the carbon bowl is 3 degrees.
According to the technical scheme, the distance between the lower end of the chute and the axis of the carbon bowl is 1-10mm greater than that between the upper end of the chute and the axis of the carbon bowl.
According to the technical scheme, the distance between the lower end of the chute and the axis of the carbon bowl is 5mm greater than that between the upper end of the chute and the axis of the carbon bowl.
According to the technical scheme, the cross section of the chute is arched.
According to the technical scheme, vertical grooves are further formed in the side wall of the carbon bowl and are parallel to the axis of the carbon bowl, a plurality of inclined grooves and a plurality of vertical grooves are uniformly distributed in the circumferential direction of the carbon bowl, and the vertical grooves and the inclined grooves are alternately arranged. By adopting the technical scheme, the contact area of the steel claw and the carbon anode can be further increased by the vertical groove, so that the conductivity is improved, and the connection strength between the steel claw and the carbon anode can not be too high by the arrangement of the vertical groove, so that the residual anode is favorably pressed and separated.
According to the technical scheme, six inclined grooves and six vertical grooves are respectively formed.
The technical scheme of the utility model is that the cross section of the vertical groove is arched.
According to the technical scheme, the chute is formed by machining.
Drawings
FIG. 1 is a force-bearing schematic diagram of a helical groove in the prior art.
FIG. 2 is a perspective view of a carbon anode for aluminum electrolysis in example 1.
FIG. 3 is a plan view of a carbon anode for aluminum electrolysis in example 1.
Fig. 4 is a partial enlarged view of a portion a in fig. 3.
FIG. 5 is a front sectional view of a carbon anode for aluminum electrolysis in example 1.
FIG. 6 is a side sectional view of the carbon anode for aluminum electrolysis in example 1.
Fig. 7 is a schematic view of the structure of the dovetail cutter of example 1.
In the figure: 1. the anode comprises an anode body, 2, a carbon bowl, 3, a chute, 4, a vertical groove, 5, a spiral groove, 6, a dovetail groove milling cutter, 7, end face cutter teeth, 8 and circumferential cutter teeth.
Detailed Description
The following examples are further illustrative of the utility model, but the utility model is not limited thereto. Since the present utility model is relatively complex, the embodiments will be described only in detail, and the utility model may be practiced without these specific details.
Example 1
Fig. 2 to 6 show embodiment 1 of the present utility model.
The carbon anode for aluminum electrolysis comprises an anode body 1, wherein four carbon bowls 2 are arranged at the top of the anode body 1.
As shown in fig. 3, the side wall of the carbon bowl 2 is provided with a chute 3 and a vertical groove 4, six chute 3 and vertical groove 4 are uniformly distributed along the circumference of the carbon bowl 2, the vertical groove 4 and the chute 3 are alternately arranged, and the cross sections of the chute 3 and the vertical groove 4 are in a minor arc shape.
The chute 3 is arranged obliquely relative to the axis of the carbon bowl 2 along the radial direction of the carbon bowl 2, and specifically, as shown in fig. 6, the included angle between the chute 3 and the axis of the carbon bowl 2 is 3 degrees. The distance between the lower end of the chute 3 and the axis of the carbon bowl 2 is greater than that between the upper end of the chute 3 and the axis of the carbon bowl 2.
The distance between the lower end of the chute 3 and the axis of the carbon bowl 2 is 1-10mm greater than the distance between the upper end of the chute 3 and the axis of the carbon bowl 2, and specifically, as shown in fig. 4, the distance between the lower end of the chute 3 (shown by a dotted line) and the axis of the carbon bowl 2 is 5mm greater than the distance between the upper end of the chute 3 and the axis of the carbon bowl 2.
The chute 3 is formed by machining, specifically, a three-axis numerical control machining machine tool is adopted to be matched with a dovetail groove milling cutter 6 shown in fig. 7, an end face cutter tooth 7 and a circumference cutter tooth 8 are arranged on the dovetail groove milling cutter 6, and the three-axis numerical control machining machine tool can enable the dovetail groove milling cutter 6 to translate along three axes, so that the chute 3 is machined on the anode body 1.
As shown in fig. 5, the vertical groove 4 is parallel to the axis of the carbon bowl 2, and the contact area between the steel claw and the carbon anode can be further increased by the vertical groove 4 so as to improve the conductivity, and the connection strength between the steel claw and the carbon anode can not be too high due to the arrangement of the vertical groove 4, so that the residual anode is favorably pressed and separated.
In the present utility model, the chute 3 is disposed obliquely to the axis of the carbon bowl 2 along the radial direction of the carbon bowl 2, and the distance between the lower end of the chute 3 and the axis of the carbon bowl 2 is made larger than the distance between the upper end of the chute 3 and the axis of the carbon bowl 2, i.e., the chute 3 extends obliquely to the horizontal direction of the anode body 1, and the anode body 1 has a sufficient thickness to bear the acting force, so that, compared to the spiral groove inclined to the circumferential direction of the carbon bowl in the prior art, the carbon anode for aluminum electrolysis in this embodiment can be provided with more chute 3 to increase the connection strength and contact area of the steel claw and the carbon anode, thereby preventing the depolarization and improving the conductivity.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (10)
1. The utility model provides a carbon anode for aluminium electroloysis, includes positive pole body (1), the top of positive pole body (1) is equipped with charcoal bowl (2), its characterized in that: the side wall of charcoal bowl (2) is equipped with chute (3), chute (3) are along the radial slope setting of axis for charcoal bowl (2) of charcoal bowl (2), the lower extreme of chute (3) is greater than the upper end of chute (3) and the distance of charcoal bowl (2) axis.
2. Carbon anode for aluminium electrolysis according to claim 1, characterized in that the angle between the chute (3) and the axis of the carbon bowl (2) is 1-5 °.
3. Carbon anode for aluminium electrolysis according to claim 2, characterized in that the angle of the chute (3) to the axis of the carbon bowl (2) is 3 °.
4. Carbon anode for aluminium electrolysis according to claim 1, characterized in that the distance of the lower end of the chute (3) from the axis of the carbon bowl (2) is 1-10mm larger than the distance of the upper end of the chute (3) from the axis of the carbon bowl (2).
5. The carbon anode for aluminum electrolysis according to claim 4, wherein the distance between the lower end of the chute (3) and the axis of the carbon bowl (2) is 5mm greater than the distance between the upper end of the chute (3) and the axis of the carbon bowl (2).
6. Carbon anode for aluminium electrolysis according to claim 1, wherein the chute (3) has an arcuate cross section.
7. The carbon anode for aluminum electrolysis according to claim 1, wherein the side wall of the carbon bowl (2) is further provided with vertical grooves (4), the vertical grooves (4) are parallel to the axis of the carbon bowl (2), a plurality of inclined grooves (3) and a plurality of vertical grooves (4) are uniformly distributed along the circumferential direction of the carbon bowl (2), and the vertical grooves (4) and the inclined grooves (3) are alternately arranged.
8. Carbon anode for aluminium electrolysis according to claim 7, wherein six of each of the chute (3) and vertical chute (4) are provided.
9. Carbon anode for aluminium electrolysis according to claim 7, wherein the vertical slots (4) have an arcuate cross section.
10. Carbon anode for aluminium electrolysis according to claim 1, wherein the chute (3) is formed by machining.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022226353921 | 2022-10-08 | ||
| CN202222635392 | 2022-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220867535U true CN220867535U (en) | 2024-04-30 |
Family
ID=90811965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322683113.3U Active CN220867535U (en) | 2022-10-08 | 2023-10-07 | Carbon anode for aluminum electrolysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220867535U (en) |
-
2023
- 2023-10-07 CN CN202322683113.3U patent/CN220867535U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105803487B (en) | A kind of prd-baked Al electrolysis production method that no anode anode scrap generates | |
| CN201793769U (en) | Gas-guiding prebaked anode for aluminum electrolysis | |
| WO2013143247A1 (en) | Aluminum-based lead or lead alloy composite anode and manufacturing method therefor | |
| US7799189B2 (en) | Closed end slotted carbon anodes for aluminum electrolysis cells | |
| CA2811361A1 (en) | Cathode for electrolytic cells | |
| CN220867535U (en) | Carbon anode for aluminum electrolysis | |
| US7179353B2 (en) | Closed end slotted carbon anodes for aluminum electrolysis cells | |
| CN101892497A (en) | Anode used for aluminum electrolysis | |
| CN106011938A (en) | Anode carbon block used for continuous prebaking | |
| CN102925931B (en) | Negative electrode rare earth molten salt electrolytic under submergence type is inserted in side | |
| CN101985762A (en) | Continuous-anode vertical V-shaped double-bevel aluminum electrolytic tank | |
| WO2008098489A1 (en) | An aluminum electrolytic cell | |
| CN201793768U (en) | Aluminum electrolysis anode structure | |
| CN206345925U (en) | A kind of open-close type load-bearing conducting beam of continuous prebaked anode cell | |
| CN102560547A (en) | Anode carbon block for electrolytic aluminum | |
| CN110029367A (en) | A kind of hollow note aluminum steel pawl of aluminium electrolysis anode | |
| CN2372329Y (en) | Molten-salt electrolytic cell for producing rare metal and rare earth alloy | |
| CN219315112U (en) | Titanium-based composite lead dioxide reticular electrode plate | |
| CN202000004U (en) | Anode contact for assembling anode carbon block | |
| CN220376802U (en) | Prebaked anode structure of aluminum electrolysis cell | |
| JP2004527657A (en) | Anode arrangement for use in electrolysis cells | |
| CN202730260U (en) | Pre-baked anode of flat bottom carbon bowl | |
| CN213804014U (en) | Prebaked anode for aluminum electrolysis | |
| CN202175727U (en) | Rare earth molten salt electrolytic cell with side-mounted submerged lower cathode | |
| CN201924086U (en) | Anode carbon block for electrolytic aluminum |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |