CN2550382Y - Cathode conducting structure of copper electrolytically refining - Google Patents
Cathode conducting structure of copper electrolytically refining Download PDFInfo
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- CN2550382Y CN2550382Y CN 02275670 CN02275670U CN2550382Y CN 2550382 Y CN2550382 Y CN 2550382Y CN 02275670 CN02275670 CN 02275670 CN 02275670 U CN02275670 U CN 02275670U CN 2550382 Y CN2550382 Y CN 2550382Y
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- carbon steel
- copper
- stainless steel
- steel bar
- conductive layer
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Abstract
The utility model relates to a cathode conductive structure used for copper electrolytic refining, which is characterized in that a rectangle solid carbon steel bar is employed as a bearing beam, a stainless steel plate is embedded into a 3 mm wide and 2.5 to 3 mm deep groove milled in the carbon steel bar, and the stainless steel plate is then argon-arc welded to the groove; the surface of the carbon steel bar is then directly plated with a copper conductive layer with thickness of 2 to 3 mm, and the carbon steel bar is chemically plated with a nickel-phosphorus alloy layer. The utility model has the advantages of lower cost of raw material and processing, better welding performance with stainless steel due to employing carbon steel bar as the bearing beam, simple technology, better binding performance due to copper conductive layer plated on the surface of the carbon steel, auxiliary conductivity of the solid carbon steel, shock resistance and corrosion resistance due to the copper layer plated on the outer surface of the carbon steel.
Description
Required technical field: the utility model relates to non-ferrous metal metallurgy and field of metal surface treatment.
Background technology: in traditional electrolytic refining course of copper, negative electrode adopts copper starting sheet usually, and the casting electrolytic copper is made starting sheet earlier, is that motherboard is made starting sheet with the titanium plate perhaps, starting sheet is stripped down add that hangers is as negative plate then.This kind processing method needs complete and independent starting sheet production process and peels off processing units, and production cost is higher.Therefore, produce stainless steel cathode technology and the conductive structure design thereof that to save the starting sheet production process, greatly reduced the production cost of electrolytic copper.
1979, Australian PERRY IAN JAMES invented the method that replaces traditional copper starting sheet with stainless steel cathode plate, and its patent No. is respectively GB2040311 and GB2104549, has disposed special-purpose cathode conductive structure simultaneously.The negative plate that this patent is used is the stainless steel of the 316L trade mark, and current conducting rod adopts the hollow bar of 304 stainless steels.This kind method is called " ISA method ".The syndeton of " ISA method " current conducting rod and negative plate as shown in Figure 1.But there is following shortcoming in this kind syndeton:
(1) adopt the square-section stainless steel tube as current conducting rod and carrier bar, the stainless steel profiled material needs customized specially, causes starting material and tooling cost to rise, and stainless in addition processing characteristics is also bad;
(2) stainless steel surface needs first nickel preplating, re-plating copper conductive layer, and operation is more, and binding force of cladding material is also good inadequately;
(3) stainless poorly conductive causes the volts lost of whole conducting position to increase.
Stainless steel cathode technology conductive structure such as accompanying drawing 2 that known Yunnan Copper Industry Co. group company proposes, the subject matter that this kind syndeton exists:
(1) electric current is at first passed to copper rod by busbar, and copper rod is passed to outer titanium plate, passes to stainless steel cathode plate at last, thereby there is tangible volts lost in this syndeton.
(2) titanium plate and stainless welding property are poor, and tooling cost rises.
The utility model content: at above-mentioned the deficiencies in the prior art part, the utility model provides a kind of cathode conductive structure of copper electrolyzing refining, it is made up of solid carbon rod iron and stainless steel cathode plate, on rectangular solid carbon steel rod, leave wide 3mm as carrier bar, the groove of dark 2.5～3mm, also integrally welded in the stainless steel plate embedded groove by argon arc, be coated with the copper layer of 2～3mm as conductive layer in the carbon steel rod surface electrical.
Carbon steel rod of the present utility model can be eliminated the volts lost between busbar and the stainless steel plate through after the copper facing.
Above-mentioned carbon steel rod surface as carrier bar can the copper layer of Direct Electroplating deposition 2～3mm after again at copper conductive layer chemical plating outside one deck nickel-phosphorus alloy to strengthen corrosion resistance.
The carbon steel rod composition that adopts is by weight percentage: carbon 0.42～0.5, silicon 0.17～0.37, manganese 0.50～0.80, phosphorus≤0.035, sulphur≤0.035, chromium≤0.25, nickel≤0.25.
Description of drawings:
Fig. 1 is the cathode conductive structure synoptic diagram that the electrolysis of ISA method is adopted in the prior art, and 1 is the copper facing conductive layer among the figure, and 2 is hollow stainless steel bars, and 3 is stainless steel cathode plate, and 4 is weld seam.
Fig. 2 is the cathode conductive structure synoptic diagram of prior art Yunnan Copper Industry Co. group company, 5 copper rods among the figure, and the 6th, the titanium plate, 3 is stainless steel cathode plate, 4 is weld seam.
Fig. 3 is the cathode conductive structure synoptic diagram that the utility model proposes, and 7 is the solid carbon rod iron among the figure, and 1 is the copper facing conductive layer, and 3 is stainless steel cathode plate, and 4 is weld seam.
The advantage that the utlity model has and good effect:
(1) on the market common as the ordinary carbon steel of carrier bar, do not need specially customized, and processing Convenient, again because carbon steel is better with stainless welding performance, so raw material with Processing cost obviously reduces;
(2) steel surface can direct copper plating as conductive layer, do not need the nickel plating bottoming, and combination Power is good, greatly is better than stainless plating performance, and institute's copper facing conductive layer thickness can Reach the desired conductive section of cathode current;
(3) solid carbon steel also plays certain electric action, has strengthened the conduction of whole conductive layer The property;
(4) the outer chemical plating nickel-phosphorus alloy again of copper conductive layer can strengthen the shock resistance and the corrosive nature of conductive structure.
Claims (2)
1. the cathode conductive structure of a copper electrolyzing refining, form by solid carbon rod iron and stainless steel cathode plate, it is characterized in that: on rectangular solid carbon steel rod, leave wide 3mm as carrier bar, the groove of dark 2.5～3mm, also integrally welded in the stainless steel plate embedded groove by argon arc, be coated with the copper layer of 2～3mm as conductive layer in the carbon steel rod surface electrical.
2. conductive structure according to claim 1 is characterized in that: as the copper conductive layer of the carbon steel rod directly electroplating on surface of carrier bar deposition 2～3mm, again at copper layer chemical plating outside one deck ni-p alloy coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02275670 CN2550382Y (en) | 2002-07-08 | 2002-07-08 | Cathode conducting structure of copper electrolytically refining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02275670 CN2550382Y (en) | 2002-07-08 | 2002-07-08 | Cathode conducting structure of copper electrolytically refining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550382Y true CN2550382Y (en) | 2003-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02275670 Expired - Fee Related CN2550382Y (en) | 2002-07-08 | 2002-07-08 | Cathode conducting structure of copper electrolytically refining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2550382Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818366A (en) * | 2010-05-17 | 2010-09-01 | 中国瑞林工程技术有限公司 | Electrolytic stainless steel cathode plate |
| CN102424982A (en) * | 2011-12-27 | 2012-04-25 | 重庆重冶铜业有限公司 | Production method for copper starting sheet |
| CN107829079A (en) * | 2017-08-30 | 2018-03-23 | 欣旺达电动汽车电池有限公司 | A kind of method for carrying out aluminium wire solder bonds in battery core block |
-
2002
- 2002-07-08 CN CN 02275670 patent/CN2550382Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818366A (en) * | 2010-05-17 | 2010-09-01 | 中国瑞林工程技术有限公司 | Electrolytic stainless steel cathode plate |
| CN102424982A (en) * | 2011-12-27 | 2012-04-25 | 重庆重冶铜业有限公司 | Production method for copper starting sheet |
| CN107829079A (en) * | 2017-08-30 | 2018-03-23 | 欣旺达电动汽车电池有限公司 | A kind of method for carrying out aluminium wire solder bonds in battery core block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |