CN101440505B - Cathode carbon block and cathode structure of impervious barrier conductive steel rod - Google Patents
Cathode carbon block and cathode structure of impervious barrier conductive steel rod Download PDFInfo
- Publication number
- CN101440505B CN101440505B CN2008102393669A CN200810239366A CN101440505B CN 101440505 B CN101440505 B CN 101440505B CN 2008102393669 A CN2008102393669 A CN 2008102393669A CN 200810239366 A CN200810239366 A CN 200810239366A CN 101440505 B CN101440505 B CN 101440505B
- Authority
- CN
- China
- Prior art keywords
- cathode
- carbon pieces
- rod iron
- cathode carbon
- impervious barrier
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 230000004888 barrier function Effects 0.000 title claims description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 6
- 229910052799 carbon Inorganic materials 0.000 title abstract 6
- 230000008859 change Effects 0.000 claims abstract description 8
- 229910000754 Wrought iron Inorganic materials 0.000 claims description 71
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 54
- 238000010276 construction Methods 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 239000003610 charcoal Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 235000000396 iron Nutrition 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 9
- 238000009826 distribution Methods 0.000 abstract description 8
- 239000004411 aluminium Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 244000080575 Oxalis tetraphylla Species 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001051 Magnalium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Images
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a cathodic structure of a cathode carbon block and an impermeable layer conductive steel bar, which comprises the cathode carbon block of an electrolytic bath, cathode tamping paste or ferrophosphorus, a conductive steel bar and an impermeable layer, wherein the conductive steel bar is positioned between the cathode carbon block and the impermeable layer; the bottom of the cathode carbon block is provided with a steel bar slot matched with the shape of the conductive steel bar; the cathode tamping paste or pouring ferrophosphorus is tamped in the steel bar slot; the conductive steel bar is provided with a clearance; and the clearance divides part of the conductive steel bar into an upper part and a lower part which are not communicated with each other. The cathodic structure can adjust the current distribution in the upper part and the lower part of the conductive steel bar according to the size, the direction and the length of the clearance and the change of the cross section of the steel bar so as to further adjust the current distribution in the cathode carbon block and an aluminum liquid in the electrolytic bath. The cathodic structure can improve the current distribution in a cathode and the current in the aluminum liquid and improve the stability of the electrolytic bath to further improve the electric energy efficiency and increase the service life of the cathode of the electrolytic bath.
Description
Technical field
The present invention relates to the cathode carbon pieces of a kind of cathode structure of aluminium cell, particularly large-scale aluminum electrolytic cell and the cathode construction of impervious barrier conductive steel rod.The technical field that belongs to aluminum cell cathode steel bar.
Background technology
In aluminium cell, in cathode carbon pieces,, the electric current of electrolyzer is derived by cathode steel bar by pricking solid negative electrode ramming paste or cast ferrophosphorus connection cathode carbon pieces and cathode steel bar.Distribute to improve the electric current that reaches in the aluminium liquid in the cathode carbon pieces by the cross section and the size that in cathode carbon pieces, change cathode steel bar in the prior art.As the Kweiyang magnalium designing institute patent No. be 200620200276.5, patent name is the patent of improving the rod iron structure of cathode current density of aluminium-electrolytic cell, and the patent No. is 200520200169.8, denomination of invention is the patent of aluminum cell cathode steel bar variable cross-section dimensional structure, its embodiment is that the centre of rod iron is the large section section, the two ends of rod iron are the small cross-section section, are provided with the variable cross-section section of ramp type between large section section and small cross-section section.
Because above-mentioned measure all is confined to the change of cathode steel bar within the cathode carbon pieces scope, the rod iron at high temperature tension force of cathode blocks Baltimore groove two walls increases, be subjected to the restriction of cathode carbon pieces height and width, therefore the alternation of cross-section scope of cathode steel bar is little, is difficult to improve to greatest extent the electric current that reaches in the aluminium liquid in the cathode carbon pieces and distributes.
Summary of the invention
The technical issues that need to address of the present invention just are to overcome the defective of prior art, the cathode construction of a kind of cathode carbon pieces and impervious barrier conductive steel rod is provided, it can improve electric current in cathode current distribution and the aluminium liquid, improve electrolyzer stability, and then improve electric energy efficiency, raising electric tank cathode life-span.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The cathode construction of a kind of cathode carbon pieces of the present invention and impervious barrier conductive steel rod comprises electric tank cathode charcoal piece, negative electrode ramming paste or ferrophosphorus, conduction rod iron and impervious barrier; Described conduction rod iron is between cathode carbon pieces and impervious barrier, the cathode carbon pieces bottom is provided with the steel bar trough that coincide with conductive steel clavate shape, in steel bar trough, prick solid negative electrode ramming paste or cast ferrophosphorus, described conduction rod iron is provided with the slit, and described slit will be conducted electricity the rod iron part and is split up into upper and lower disconnected two parts.
The outside of described conduction rod iron is for going out electric direction side, and the electric direction side that goes out of described conduction rod iron is provided with the slit, and described slit will be conducted electricity the rod iron part and is split up into upper and lower disconnected two parts.
Described conduction rod iron is a monoblock type rod iron derived current on the cathode length direction.Perhaps, described conduction rod iron is divided into two conduction rod iron derived currents with cathode center on the cathode length direction, between two rod iron heads spacing is arranged.
Crack to current output terminal in the middle of the conduction rod iron in slit on the described conduction rod iron, the longest current output terminal head to the conduction rod iron in slit.
Described slit is horizontal linear or oblique line.The size in slit, direction are selected according to lining structure of aluminium electrolytic bath configuration and electric current branch situation in implementation process.
Described cathode carbon pieces is the monolithic cathode carbon pieces, and described monolithic cathode carbon pieces is furnished with single cathode steel bar on the transverse section.Perhaps, described cathode carbon pieces is the monolithic cathode carbon pieces, and described monolithic cathode carbon pieces is furnished with many cathode steel bars on the transverse section.
The cross-sectional shape of described conduction rod iron is the combination of rectangle, circle, semicircle, ellipse, half elliptic or above-mentioned shape.Conduction rod iron its cross-sectional sizes can be consistent on the rod iron length direction, also can progressively change in proportion, and as increasing or reduce, its cross-sectional sizes of can also stepped appearance suddenling change.
Described impervious barrier is the antiseepage mould material, and its effect is that protection conduction rod iron avoids electrolytical corrosion.The thickness of impervious barrier is not less than the height of the protuberance of conduction rod iron below cathode carbon pieces.
The beneficial effect of technical scheme provided by the invention is: two-part distribution of current about the present invention can regulate in the conductive steel rod by the variation in size, direction, length and the rod iron cross section in slit, and then the distribution of current in adjusting cathode carbon pieces and the electrolyzer aluminium liquid, the final electrolyzer stability that improves is improved electric energy efficiency and raising electric tank cathode life-span.
Owing to adopt technique scheme, can improve the horizontal component of electric current in the aluminium liquid, reduce the volts lost of electric tank cathode simultaneously.Be applicable to the aluminium cell production under the high current density.
Description of drawings
Fig. 1 is the cathode construction synoptic diagram of cathode carbon pieces and impervious barrier conductive steel rod;
Fig. 2 is the cathode construction synoptic diagram of single conduction rod iron.
Fig. 3 is the cathode construction synoptic diagram of many conduction rod irons.
Fig. 4 is the cathode construction synoptic diagram of whole segmentation conduction rod iron.
Fig. 5 is the cathode construction synoptic diagram of two-part conduction rod iron.
Fig. 6-a is that conduction rod iron slit is the enforcement synoptic diagram of oblique line.
Fig. 6-b is that conduction rod iron slit is the enforcement synoptic diagram of horizontal linear.
Fig. 6-c is the enforcement synoptic diagram in a slit of cutting in the middle of the conduction rod iron.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
As shown in Figure 1, the cathode construction of a kind of cathode carbon pieces of the present invention and impervious barrier conductive steel rod comprises electric tank cathode charcoal piece 1, negative electrode ramming paste or ferrophosphorus 2, conduction rod iron 3 and impervious barrier 4; Described conduction rod iron is between cathode carbon pieces and impervious barrier, the cathode carbon pieces bottom is provided with the steel bar trough that coincide with conductive steel clavate shape, in steel bar trough, prick solid negative electrode ramming paste or cast woods iron, the outside of conduction rod iron is for going out electric direction side, the electric direction side that goes out of described conduction rod iron is provided with slit 5, and described slit will be conducted electricity the rod iron part and is split up into upper and lower disconnected two parts.
As shown in Figure 4, described conduction rod iron is a monoblock type rod iron derived current on the cathode length direction.Perhaps, as shown in Figure 5, described conduction rod iron is divided into two conduction rod iron derived currents with cathode center on the cathode length direction, between two rod iron heads spacing is arranged.
Crack to current output terminal in the middle of the conduction rod iron in slit on the described conduction rod iron, the longest current output terminal head to the conduction rod iron in slit.
Shown in Fig. 6-a and Fig. 6-b, described slit is horizontal linear or oblique line.Also can be shown in Fig. 6-c, slit of cutting in the middle of the conduction rod iron, conduction rod iron current output terminal still keeps an integral way.The size in slit, direction are selected according to lining structure of aluminium electrolytic bath configuration and electric current branch situation in implementation process.
As shown in Figure 2, described cathode carbon pieces is the monolithic cathode carbon pieces, and described monolithic cathode carbon pieces is furnished with single cathode steel bar on the transverse section.Perhaps, as shown in Figure 3, described cathode carbon pieces is the monolithic cathode carbon pieces, and described monolithic cathode carbon pieces is furnished with many cathode steel bars on the transverse section.
The cross-sectional shape of described conduction rod iron is the combination of rectangle, circle, semicircle, ellipse, half elliptic or above-mentioned shape.Conduction rod iron its cross-sectional sizes can be consistent on the rod iron length direction, also can progressively change in proportion, and as increasing or reduce, its cross-sectional sizes of can also stepped appearance suddenling change.
Described impervious barrier is the antiseepage mould material, and its effect is that protection conduction rod iron avoids electrolytical corrosion.The thickness of impervious barrier is not less than the height of the protuberance of conduction rod iron below cathode carbon pieces.
Two-part distribution of current about the present invention can regulate in the conductive steel rod by the variation in size, direction, length and the rod iron cross section in slit, and then the distribution of current in adjusting cathode carbon pieces and the electrolyzer aluminium liquid, the final electrolyzer stability that improves is improved electric energy efficiency and raising electric tank cathode life-span.Owing to adopt technique scheme, can improve the horizontal component of electric current in the aluminium liquid, reduce the volts lost of electric tank cathode simultaneously.Be applicable to the aluminium cell production under the high current density.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the cathode construction of cathode carbon pieces and impervious barrier conductive steel rod comprises electric tank cathode charcoal piece, negative electrode ramming paste or ferrophosphorus, conduction rod iron and impervious barrier; It is characterized in that: described conduction rod iron is between cathode carbon pieces and impervious barrier, and the cathode carbon pieces bottom is provided with the steel bar trough that coincide with conductive steel clavate shape, pricks solid negative electrode ramming paste or cast ferrophosphorus in steel bar trough; Described conduction rod iron is provided with the slit, and described slit will be conducted electricity the rod iron part and is split up into upper and lower disconnected two parts.
2. the cathode construction of cathode carbon pieces as claimed in claim 1 and impervious barrier conductive steel rod, it is characterized in that: the outside of described conduction rod iron is for going out electric direction side, the electric direction side that goes out of described conduction rod iron is provided with the slit, and described slit will be conducted electricity the rod iron part and is split up into upper and lower disconnected two parts.
3. the cathode construction of cathode carbon pieces as claimed in claim 2 and impervious barrier conductive steel rod is characterized in that: described conduction rod iron is a monoblock type rod iron on the cathode length direction.
4. the cathode construction of cathode carbon pieces as claimed in claim 2 and impervious barrier conductive steel rod is characterized in that: described conduction rod iron is divided into two conduction rod irons with cathode center on the cathode length direction, between two rod iron heads spacing is arranged.
5. as the cathode construction of claim 3 or 4 described cathode carbon pieces and impervious barrier conductive steel rod, it is characterized in that: cracks to current output terminal in the middle of the conduction rod iron in the slit on the described conduction rod iron, the longest current output terminal head to the conduction rod iron in slit.
6. the cathode construction of cathode carbon pieces as claimed in claim 5 and impervious barrier conductive steel rod is characterized in that: described slit is horizontal linear or oblique line.
7. the cathode construction of cathode carbon pieces as claimed in claim 6 and impervious barrier conductive steel rod is characterized in that: described cathode carbon pieces is the monolithic cathode carbon pieces, and described monolithic cathode carbon pieces is furnished with single cathode steel bar on the transverse section.
8. the cathode construction of cathode carbon pieces as claimed in claim 6 and impervious barrier conductive steel rod is characterized in that: described cathode carbon pieces is the monolithic cathode carbon pieces, and described monolithic cathode carbon pieces is furnished with many cathode steel bars on the transverse section.
9. the cathode construction of cathode carbon pieces as claimed in claim 7 and impervious barrier conductive steel rod is characterized in that: the cross-sectional shape of described conduction rod iron is the combination of rectangle, circle, semicircle, ellipse, half elliptic or above-mentioned shape.
10. the cathode construction of cathode carbon pieces as claimed in claim 8 and impervious barrier conductive steel rod is characterized in that: the cross-sectional shape of described conduction rod iron is the combination of rectangle, circle, semicircle, ellipse, half elliptic or above-mentioned shape.
11. the cathode construction of cathode carbon pieces as claimed in claim 10 and impervious barrier conductive steel rod is characterized in that: the cross-sectional sizes of described conduction rod iron is consistent on the rod iron length direction or progressively changes in proportion or be stepped appearance and suddenlys change.
12. the cathode construction of cathode carbon pieces as claimed in claim 1 and impervious barrier conductive steel rod is characterized in that: described impervious barrier is the antiseepage mould material, and the thickness of impervious barrier is not less than the height of the protuberance of conduction rod iron below cathode carbon pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102393669A CN101440505B (en) | 2008-12-11 | 2008-12-11 | Cathode carbon block and cathode structure of impervious barrier conductive steel rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102393669A CN101440505B (en) | 2008-12-11 | 2008-12-11 | Cathode carbon block and cathode structure of impervious barrier conductive steel rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101440505A CN101440505A (en) | 2009-05-27 |
| CN101440505B true CN101440505B (en) | 2010-11-24 |
Family
ID=40725104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102393669A Active CN101440505B (en) | 2008-12-11 | 2008-12-11 | Cathode carbon block and cathode structure of impervious barrier conductive steel rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101440505B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758216B (en) * | 2011-04-29 | 2015-04-15 | 沈阳铝镁设计研究院有限公司 | Method for homogenizing current distribution in aluminum liquid in aluminum electrolytic cell |
| CN102199781A (en) * | 2011-05-30 | 2011-09-28 | 高伟 | Cathode steel rod constructed by steel plate combination |
| CN102230191B (en) * | 2011-06-21 | 2013-02-13 | 中国铝业股份有限公司 | Method for separately leading out single-sided current in aluminum electrolytic cell |
| CN102925927B (en) * | 2011-08-10 | 2016-06-01 | 贵阳铝镁设计研究院有限公司 | The electrolysis bath of horizontal current can be greatly lowered |
| CN103014765B (en) * | 2011-09-24 | 2016-07-06 | 沈阳铝镁设计研究院有限公司 | Cathode structure for reducing horizontal current in aluminum liquid |
| CN102400175A (en) * | 2011-10-08 | 2012-04-04 | 高伟 | Conducting structure of cathode of aluminum electrolytic cell |
| CN104250831A (en) * | 2013-06-28 | 2014-12-31 | 沈阳铝镁设计研究院有限公司 | Cathode structure capable of saving energy and homogenizing horizontal current in molten aluminium |
| CN104250830A (en) * | 2013-06-28 | 2014-12-31 | 沈阳铝镁设计研究院有限公司 | Cathode structure capable of saving energy and homogenizing horizontal current in molten aluminium |
| CN113073358B (en) * | 2021-04-06 | 2024-03-08 | 李欣 | Structure of composite cathode steel bar and cathode carbon block group |
-
2008
- 2008-12-11 CN CN2008102393669A patent/CN101440505B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101440505A (en) | 2009-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101440505B (en) | Cathode carbon block and cathode structure of impervious barrier conductive steel rod | |
| CN102453927B (en) | Method for greatly reducing horizontal current in aluminum liquid of aluminum electrolytic cell | |
| CN201367472Y (en) | Cathode structure of aluminium electrolysis bath of bath bottom tapping | |
| CN101775621B (en) | Cathode structure of aluminium cell | |
| CN101545118B (en) | Method for reducing horizontal current in aluminum liquid of aluminum electrolysis cell | |
| CN102758216A (en) | Method for homogenizing current distribution in aluminum liquid in aluminum electrolytic cell | |
| CN205635806U (en) | Aluminium - carbon - aluminium cathode aluminium cell | |
| CN201981264U (en) | Cathode carbon block assembly for reducing horizontal current of aluminum liquid layer of electrolytic bath | |
| CN203878226U (en) | Electrolytic tank structure | |
| CN201367468Y (en) | Cathode structure of horizontal discharging aluminium electrolysis bath | |
| CN201343573Y (en) | Cathode structure of cathode carbon block and conductive steel bar | |
| CN101775622B (en) | Cathode structure of energy-saving aluminium cell | |
| CN201224768Y (en) | Middle convergent flow type aluminum cell cathode device | |
| CN102230191B (en) | Method for separately leading out single-sided current in aluminum electrolytic cell | |
| CN201390784Y (en) | Cathode structure of aluminum electrolytic tank | |
| CN2892888Y (en) | Steel bar structure for improving aluminium electrolytic cell cathode current density | |
| CN102121118A (en) | Cell bottom structure of electrolytic cell | |
| CN101423956B (en) | Electric tank cathode structure with conductive plate | |
| CN201367471Y (en) | Cathode carbon block structure | |
| CN101760760A (en) | Bottom-discharging aluminum cell | |
| CN101008091A (en) | Aluminium electrolysis anode configuration method | |
| CN201442982U (en) | Aluminum-cell complex cathode carbon block structure | |
| CN101899677A (en) | Aluminum electrolytic bath composite cathode carbon block structure | |
| CN201065435Y (en) | Aluminum electrolysis cell | |
| CN203411621U (en) | Cathode lining structure of aluminum electrolytic cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100082 Beijing, Xizhimen, North Street, No. 62, No. Co-patentee after: Zhong Lv international project limited-liability company Patentee after: Aluminum Corporation of China Limited Address before: 100082 Beijing, Xizhimen, North Street, No. 62, No. Co-patentee before: China Aluminum International Engineering Co., Ltd. Patentee before: Aluminum Corporation of China Limited |
|
| CP01 | Change in the name or title of a patent holder |