CN2806504Y - Variable cross-section size structure for cathode steel rod in aluminum electrolytic cell - Google Patents
Variable cross-section size structure for cathode steel rod in aluminum electrolytic cell Download PDFInfo
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- CN2806504Y CN2806504Y CN 200520200169 CN200520200169U CN2806504Y CN 2806504 Y CN2806504 Y CN 2806504Y CN 200520200169 CN200520200169 CN 200520200169 CN 200520200169 U CN200520200169 U CN 200520200169U CN 2806504 Y CN2806504 Y CN 2806504Y
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- cathode steel
- steel bar
- steel rod
- variable cross
- cathode
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Abstract
The utility model discloses a variable cross-section size structure of a cathode steel rod in an aluminum electrolytic slot, which comprises a middle cathode steel rod and an epitaxial cathode steel rod, wherein the cross-section dimension of the middle cathode steel rod is lager than that of the epitaxial cathode steel rod. Because of the technical scheme, the utility model can greatly economize power consumption and increase economic benefits.
Description
Technical field:
The utility model relates to a kind of aluminum cell cathode steel bar sectional dimension structure.
Technical background:
In the Aluminium Electrolysis, in general, anode part requires to strengthen heat radiation, and cathode portion requires to strengthen insulation.On the other hand, consider, need to strengthen the sectional area of cathode steel bar,, thereby reduce power consumption with the pressure drop of reduction bottom land from the angle of power loss.But under the certain situation of the quantity of electric tank cathode rod iron, along with the increasing of rod iron sectional area, the also increase simultaneously of thermosteresis by cathode steel bar makes power consumption increase.If therefore reduce the rod iron sectional area, though thermosteresis reduces, the bottom land pressure drop raises, and has increased the consumption of electric energy again.Therefore, should find a suitable rod iron sectional area, the power loss summation that makes two aspects is near minimum.
Aluminum cell cathode steel bar is on electric current distribution, and a section (interlude) that is positioned at anode projection below is different with the extension (extension section) that is positioned at the projection outside.One section of anode projection below is outside by anodes centre, and electric current increases at full capacity gradually by zero, and the extension of projection outside then can be regarded as is working under the electric current uniformly at full capacity.
At present, the aluminum cell cathode steel bar in the actual production mostly is elongated uniform cross section, can see from above analysis, and this cathode steel bar form will cause certain waste of energy.For addressing this problem, should keep the each several part of rod iron that a rational sectional dimension is all arranged, neither too increase bottom land voltage, can reduce the electric losses of outside heat radiation again.
Summary of the invention:
The purpose of this utility model is: design a kind of distributing style of aluminium electrolytic cell cathode efficiently, guaranteeing rational cathode steel bar current density, do not influence under the prerequisite of electrolyzer direct current consumption, adopt the cathode steel bar of two kinds of sectional dimensions.The rod iron of larger sectional area is used in electric tank cathode charcoal piece inside (interlude), and the cathode steel bar extension (extension section) that is positioned at anode projection outside is selected less sectional area for use, can reach to reduce the outside heat lost by radiation of cathode steel bar to reduce the direct current consumption purpose.
The utility model is to constitute like this: cathode steel bar (1) in the middle of it comprises, and extension cathode steel bar (2), the sectional dimension of middle cathode steel bar (1) is greater than the sectional dimension of extension cathode steel bar (2).
The sectional dimension of extension cathode steel bar (2) be middle cathode steel bar (1) sectional dimension 50～85%.
Extension cathode steel bar (2) is with connecting the two ends that steel plate (3) is welded on middle cathode steel bar (1).
Owing to adopt technique scheme,, increased the part power consumption although subcontract cathode steel bar sectional dimension causes this local voltage falling-rising height.But, learn that through calculating reduce the outside heat loss amount of cathode steel bar, the power consumption of being saved is far above increasing part.Transform example as with certain electrolytic aluminium factory, this series is totally 200 electrolyzers, potline current 150KA.Adopt the cathode steel bar in two kinds of cross sections,, can reduce ton about 200Kwh of aluminium power consumption if the cathode steel bar sectional area of epitaxial part is 85% of a middle portion.By 80,000 tons of this factory's annual production, 0.25 yuan/degree of electricity price, can reduce cost 4,000,000 yuan/year.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model.
Embodiment:
Embodiment of the present utility model: extension cathode steel bar (2) is with connecting the two ends that steel plate (3) is welded on middle cathode steel bar (1).Its sectional dimension is 85% of a middle cathode steel bar (1).
Claims (3)
1. aluminum cell cathode steel bar variable cross-section dimensional structure, cathode steel bar (1) in the middle of it comprises, extension cathode steel bar (2) is characterized in that: the sectional dimension of middle cathode steel bar (1) is greater than the sectional dimension of extension cathode steel bar (2).
2. aluminum cell cathode steel bar variable cross-section dimensional structure according to claim 1 is characterized in that: the sectional dimension of extension cathode steel bar (2) be middle cathode steel bar (1) sectional dimension 50 ~ 85%.
3. aluminum cell cathode steel bar variable cross-section dimensional structure according to claim 1 and 2 is characterized in that: extension cathode steel bar (2) is with connecting the two ends that steel plate (3) is welded on middle cathode steel bar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520200169 CN2806504Y (en) | 2005-03-18 | 2005-03-18 | Variable cross-section size structure for cathode steel rod in aluminum electrolytic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520200169 CN2806504Y (en) | 2005-03-18 | 2005-03-18 | Variable cross-section size structure for cathode steel rod in aluminum electrolytic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2806504Y true CN2806504Y (en) | 2006-08-16 |
Family
ID=36920804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520200169 Expired - Fee Related CN2806504Y (en) | 2005-03-18 | 2005-03-18 | Variable cross-section size structure for cathode steel rod in aluminum electrolytic cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2806504Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787548A (en) * | 2009-01-22 | 2010-07-28 | 贵阳铝镁设计研究院 | Cathode structure of aluminum electrolytic cell |
| CN102925925A (en) * | 2011-08-10 | 2013-02-13 | 贵阳铝镁设计研究院有限公司 | Variable cross section type steel bar cathode structure |
| CN104141154A (en) * | 2013-07-18 | 2014-11-12 | 成都精容电子有限公司 | Device for aluminum electrolysis |
-
2005
- 2005-03-18 CN CN 200520200169 patent/CN2806504Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787548A (en) * | 2009-01-22 | 2010-07-28 | 贵阳铝镁设计研究院 | Cathode structure of aluminum electrolytic cell |
| CN101787548B (en) * | 2009-01-22 | 2013-02-27 | 贵阳铝镁设计研究院有限公司 | Cathode structure of aluminum electrolytic cell |
| CN102925925A (en) * | 2011-08-10 | 2013-02-13 | 贵阳铝镁设计研究院有限公司 | Variable cross section type steel bar cathode structure |
| CN104141154A (en) * | 2013-07-18 | 2014-11-12 | 成都精容电子有限公司 | Device for aluminum electrolysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUIYANG ALUMINUM AND MAGNESIUM DESIGN INSTITUTE CO Free format text: FORMER NAME: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INST. |
|
| CP03 | Change of name, title or address |
Address after: 550081 Guiyang Province, Jinyang New District, Zhu Zhu Road, No. 2 Patentee after: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. Address before: 550004 No. 208, Beijing Road, Guiyang, Guizhou Patentee before: Guiyang Aluminium and Magnesium Design Inst. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060816 Termination date: 20140318 |