CN213772239U - High-conductivity stainless steel cathode plate of copper-clad-steel composite beam - Google Patents
High-conductivity stainless steel cathode plate of copper-clad-steel composite beam Download PDFInfo
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- CN213772239U CN213772239U CN202023064753.9U CN202023064753U CN213772239U CN 213772239 U CN213772239 U CN 213772239U CN 202023064753 U CN202023064753 U CN 202023064753U CN 213772239 U CN213772239 U CN 213772239U
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Abstract
The utility model relates to a high electrically conductive copper clad steel composite beam stainless steel negative plate belongs to non ferrous metal hydrometallurgy technical field. The utility model discloses compound roof beam stainless steel negative plate of high electrically conductive copper clad steel includes the compound electrically conductive roof beam of copper clad steel, stainless steel cathode plate face, transition copper layer and press from both sides the strake, the top of stainless steel cathode plate face and the bottom fixed connection of the compound electrically conductive roof beam of copper clad steel, the cladding of transition copper layer sets up in the top outside of stainless steel cathode plate face, the top and the compound electrically conductive roof beam fixed connection of copper clad steel on transition copper layer, the both sides end fixed being provided with of stainless steel cathode plate face press from both sides the strake, the transition copper layer is the copper sheet. The utility model discloses can directly lead into the surface of stainless steel negative plate with the electric current of the compound conductive beam of copper clad steel, can reduce the resistance of conductive contact to electrolysis trough liquid level, reduce reactive loss, can reduce the cell voltage of electrolytic refining or electrodeposition copper process, compare with conventional stainless steel negative plate, the cost of manufacture reduces 5% -10%, and cell voltage reduces 10% -15%.
Description
Technical Field
The utility model relates to a high electrically conductive copper clad steel composite beam stainless steel negative plate belongs to wet process metallurgical technology field in the nonferrous metallurgy.
Background
The copper wet refining is an important process in the copper production process and is divided into two methods, namely electrolysis and electrodeposition, wherein the copper electrolysis and electrodeposition process need to be matched with a stainless steel cathode plate. The permanent stainless steel cathode material omits a starting sheet procedure and stripping processing equipment of the starting sheet, and the cathode sheet can be repeatedly used, thereby shortening the process flow, reducing the production cost and lightening the labor intensity of workers. In addition, the stainless steel cathode plate improves the quality of the cathode, and can also improve the quality of cathode copper and the current efficiency. The application of the permanent stainless steel cathode technology in the copper electrolytic refining process does not need a seed plate groove to produce a starting sheet, thereby not only shortening the process flow and reducing the production cost, but also avoiding the possibility of inter-electrode short circuit caused by the deformation of the starting sheet due to various reasons, further reducing the inter-electrode distance and further improving the current density and the utilization rate of the electrolytic cell.
However, the current stainless steel cathode plate has poor conductivity, for example, in the document "stainless steel cathode plate preparation method for copper electrolytic refining", there is no conductive transition layer between the top end of the stainless steel cathode plate and the copper-clad steel composite beam, and the conductivity is not uniform, thereby resulting in poor process stability of wet-process electrolytic copper.
At present, the industry generally uses two kinds of stainless steel negative plates, one is that the electrically conductive roof beam of stainless steel package copper preparation and the negative plate that negative plate face welded connection formed, one is that the electrically conductive roof beam of stainless steel and negative plate face welded connection back, exposes the copper of a certain thickness in the section of liquid level again at electrically conductive roof beam and negative plate face. The stainless steel clad copper beam cathode plate needs to overcome the transition resistance from the copper core material to the stainless steel shell and then to the plate surface in the process of conducting direct current, and the reactive loss from the conductive contact to the liquid level of the electrolytic bath is large; the stainless steel copper-clad conductive beam is affected by thermal expansion and cooling and cathode copper stripping processes in the long-term use process, a copper-clad layer is easily separated from the conductive beam and the cathode plate surface, and the reactive loss from a conductive contact to the liquid level of an electrolytic bath can be continuously increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses big, the stainless steel surface copper-clad steel composite beam stainless steel negative plate of reactive loss who exists in the stainless steel negative plate use among the prior art, base member separation scheduling problem provide a high electrically conductive copper clad steel composite beam stainless steel negative plate, the utility model discloses a set up the transition copper layer in the top outside of stainless steel negative plate face, the transition copper layer adopts the copper sheet, and the top and the compound electrically conductive roof beam fixed connection of copper clad steel on transition copper layer can be with the direct surface of leading-in stainless steel negative plate of the electric current of the compound electrically conductive roof beam of copper clad steel, can reduce the resistance of electrically conductive contact to electrolysis trough liquid level.
A high-conductivity copper-clad steel composite beam stainless steel cathode plate comprises a copper-clad steel composite conductive beam 1, a stainless steel cathode plate surface 2, a transition copper layer 3 and edge clamping strips 4, wherein the top end of the stainless steel cathode plate surface 2 is fixedly connected with the bottom end of the copper-clad steel composite conductive beam 1, the transition copper layer 3 is coated and arranged on the outer side of the top of the stainless steel cathode plate surface 2, the top end of the transition copper layer 3 is fixedly connected with the copper-clad steel composite conductive beam 1, the edge clamping strips 4 are fixedly arranged at two side ends of the stainless steel cathode plate surface 2, and the transition copper layer 3 is a copper sheet;
the copper-clad steel composite conductive beam 1 comprises a stainless steel inner tube 1-1 and a copper outer tube 1-2, wherein the copper outer tube 1-2 is coated on the outer side of the stainless steel inner tube 1-1;
further, a groove is formed in the bottom end of the copper-clad steel composite conductive beam 1, and the top end of the stainless steel cathode plate surface 2 is welded with the stainless steel inner tube 1-1 and the copper outer tube 1-2 of the copper-clad steel composite conductive beam 1 respectively;
the copper sheet is welded on the outer side of the top of the stainless steel cathode plate surface 2, and the top end of the copper sheet is welded with the copper outer tube 1-2 of the copper-clad steel composite conductive beam 1;
the stainless steel inner pipe 1-1 is a stainless steel square pipe, and the copper outer pipe 1-2 is a copper square pipe;
preferably, the wall thickness of the stainless steel square pipe is 3-4 mm, and the wall thickness of the copper square pipe is 3-4 mm;
preferably, the thickness of the copper sheet is 3-4 mm, and the width of the copper sheet is 1-4 cm;
two ends of the copper clad steel composite conductive beam 1 are respectively provided with a stainless steel end socket and a copper end socket.
The utility model has the advantages that:
(1) the utility model discloses a set up the transition copper layer in the top outside of stainless steel cathode plate face, the transition copper layer adopts the copper sheet, the top and the compound electrically conductive roof beam fixed connection of copper clad steel of transition copper layer, can be with the surface of the compound electrically conductive roof beam of copper clad steel direct introduction stainless steel negative plate, can reduce the resistance of conductive contact to electrolysis trough liquid level, make the stainless steel negative plate life-span be in good conducting state, reduce reactive loss, can reduce the cell voltage of electrolytic refining or electrodeposition copper process, compare with conventional stainless steel negative plate, the cost of manufacture reduces 5% -10%, cell voltage reduces 10% -15%;
(2) the utility model discloses effectively reduced the resistance of negative plate conductive contact to liquid level line, reducible electrolysis or the reactive loss of electrodeposition process realize reduce cost, increase of production.
Drawings
FIG. 1 is a schematic diagram of a structure of a stainless steel cathode plate of a high-conductivity copper-clad steel composite beam;
FIG. 2 is a schematic diagram of an end of a copper-clad steel composite beam;
FIG. 3 is a schematic view of a copper-clad steel composite beam copper sealing end;
in the figure, a 1-copper clad steel composite conductive beam, a 1-1-stainless steel inner tube, a 1-2-copper outer tube, a 2-stainless steel cathode plate surface, a 3-transition copper layer and a 4-edge strip are arranged.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, but the scope of the present invention is not limited to the above description.
Example 1: a high-conductivity copper-clad steel composite beam stainless steel cathode plate (shown in figures 1 and 2) comprises a copper-clad steel composite conductive beam 1, a stainless steel cathode plate surface 2, a transition copper layer 3 and edge clamping strips 4, wherein the top end of the stainless steel cathode plate surface 2 is fixedly connected with the bottom end of the copper-clad steel composite conductive beam 1, the transition copper layer 3 is coated and arranged on the outer side of the top of the stainless steel cathode plate surface 2, the top end of the transition copper layer 3 is fixedly connected with the copper-clad steel composite conductive beam 1, the edge clamping strips 4 are fixedly arranged at two side ends of the stainless steel cathode plate surface 2, and the transition copper layer 3 is a copper sheet;
the copper-clad steel composite conductive beam 1 comprises a stainless steel inner tube 1-1 and a copper outer tube 1-2, wherein the copper outer tube 1-2 is coated on the outer side of the stainless steel inner tube 1-1; the bottom end of the copper-clad steel composite conductive beam 1 is provided with a groove, and the top end of the stainless steel cathode plate surface 2 is respectively welded with a stainless steel inner tube 1-1 and a copper outer tube 1-2 of the copper-clad steel composite conductive beam 1; the copper sheet is welded on the outer side of the top of the stainless steel cathode plate surface 2, and the top end of the copper sheet is welded with the copper outer tube 1-2 of the copper-clad steel composite conductive beam 1;
a preparation method of a high-conductivity copper-clad steel composite beam stainless steel cathode plate comprises the steps of manufacturing a cold-drawn stainless steel pipe and a cold-drawn copper pipe according to product requirements, drawing and compounding the copper pipe on the outer wall of the stainless steel pipe to obtain a copper-clad steel composite pipe, cutting to length to obtain a copper-clad steel composite beam, milling a copper cladding layer on a welding surface of the copper-clad steel composite beam so as to be convenient for welding and connecting a stainless steel cathode plate surface; sequentially welding the surface of the stainless steel cathode plate with the stainless steel and copper outer layers of the copper-clad steel composite beam; preparing a transition copper layer by cutting a cold-rolled copper plate, placing the transition copper layer on cathode plate surfaces on two sides of a welding seam of a copper-clad steel composite beam and a stainless steel cathode plate, realizing the welding of a copper outer layer at the end of the copper-clad steel composite beam and the same material of the transition copper layer, keeping away from the welding of the transition copper layer at the end of the copper-clad steel composite beam and the stainless steel cathode plate surfaces, and installing edge clamping strips on two sides of the stainless steel cathode plate surfaces;
the transition copper layer is welded with the same material between the copper outer layers of the copper-clad steel composite beam end, the transition copper layer is welded with the stainless steel cathode plate surface, the resistance from the conductive contact to the liquid level of the electrolytic bath can be effectively reduced, the good combination of the conductive copper layer and the stainless steel cathode plate surface can be guaranteed, the stainless steel cathode plate is always in a good conductive state, and the production cost is finally reduced.
Example 2: the structure of the high-conductivity copper-clad steel composite beam stainless steel cathode plate of the embodiment is basically the same as that of the high-conductivity copper-clad steel composite beam stainless steel cathode plate of the embodiment 1, and the difference is that: the stainless steel inner pipe 1-1 is a stainless steel square pipe, and the copper outer pipe 1-2 is a copper square pipe; the wall thickness of the stainless steel square pipe is 3-4 mm, and the wall thickness of the copper square pipe is 3-4 mm; the thickness of the copper sheet is 3-4 mm, and the width of the copper sheet is 1.0-4.5 cm; can reduce the bath voltage in the electrolytic refining or electrodeposition copper process, and compared with the conventional stainless steel cathode plate, the manufacturing cost is reduced by 5-10 percent, and the bath voltage is reduced by 10-15 percent.
Example 3: the structure of the high-conductivity copper-clad steel composite beam stainless steel cathode plate of the embodiment is basically the same as that of the high-conductivity copper-clad steel composite beam stainless steel cathode plate of the embodiment 2, and the difference is that: the two ends of the copper clad steel composite conductive beam 1 are respectively provided with a stainless steel end socket and a copper end socket, so that the corrosion resistance of the conductive beam can be improved.
The present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit and scope of the present invention by those skilled in the art.
Claims (8)
1. The utility model provides a high electrically conductive copper clad steel composite beam stainless steel negative plate which characterized in that: including copper clad steel composite conductive beam (1), stainless steel cathode plate face (2), transition copper layer (3) and contained strake (4), the top of stainless steel cathode plate face (2) and the bottom fixed connection of copper clad steel composite conductive beam (1), transition copper layer (3) cladding sets up in the top outside of stainless steel cathode plate face (2), the top and the copper clad steel composite conductive beam (1) fixed connection of transition copper layer (3), the both sides end fixed of stainless steel cathode plate face (2) is provided with contained strake (4), transition copper layer (3) are the copper sheet.
2. The high-conductivity copper-clad-steel composite beam stainless steel cathode plate as claimed in claim 1, wherein: the copper-clad steel composite conductive beam (1) comprises a stainless steel inner tube (1-1) and a copper outer tube (1-2), wherein the copper outer tube (1-2) is coated on the outer side of the stainless steel inner tube (1-1).
3. The high-conductivity copper-clad-steel composite beam stainless steel cathode plate as claimed in claim 2, wherein: the bottom end of the copper-clad steel composite conductive beam (1) is provided with a groove, and the top end of the stainless steel cathode plate surface (2) is respectively welded with a stainless steel inner tube (1-1) and a copper outer tube (1-2) of the copper-clad steel composite conductive beam (1).
4. The high-conductivity copper-clad-steel composite beam stainless steel cathode plate as claimed in claim 2, wherein: the copper sheet is welded on the outer side of the top of the stainless steel cathode plate surface (2), and the top end of the copper sheet is welded with the copper outer tube (1-2) of the copper-clad steel composite conductive beam (1).
5. The high-conductivity copper-clad-steel composite beam stainless steel cathode plate as claimed in claim 2, wherein: the stainless steel inner pipe (1-1) is a stainless steel square pipe, the copper outer pipe (1-2) is a copper square pipe, the wall thickness of the stainless steel square pipe is 3-4 mm, and the wall thickness of the copper square pipe is 3-4 mm.
6. The high-conductivity copper-clad-steel composite beam stainless steel cathode plate as claimed in claim 4, wherein: the thickness of the copper sheet is 3-4 mm, and the width is 1.0-4.5 cm.
7. The high-conductivity copper-clad-steel composite beam stainless steel cathode plate as claimed in claim 1, wherein: the edge clamping strip (4) is an insulating plastic edge clamping strip.
8. The high-conductivity copper-clad-steel composite beam stainless steel cathode plate as claimed in claim 1, wherein: two ends of the copper clad steel composite conductive beam (1) are respectively provided with a stainless steel end socket and a copper end socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023064753.9U CN213772239U (en) | 2020-12-18 | 2020-12-18 | High-conductivity stainless steel cathode plate of copper-clad-steel composite beam |
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| CN202023064753.9U CN213772239U (en) | 2020-12-18 | 2020-12-18 | High-conductivity stainless steel cathode plate of copper-clad-steel composite beam |
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| CN213772239U true CN213772239U (en) | 2021-07-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113755903A (en) * | 2021-10-11 | 2021-12-07 | 兰州理工大学 | Integrated into one piece electrolysis copper negative plate |
| CN116162968A (en) * | 2023-03-17 | 2023-05-26 | 赣州晨光稀土新材料有限公司 | Tungsten electrode for rare earth molten salt electrolysis and preparation method thereof |
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2020
- 2020-12-18 CN CN202023064753.9U patent/CN213772239U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113755903A (en) * | 2021-10-11 | 2021-12-07 | 兰州理工大学 | Integrated into one piece electrolysis copper negative plate |
| CN116162968A (en) * | 2023-03-17 | 2023-05-26 | 赣州晨光稀土新材料有限公司 | Tungsten electrode for rare earth molten salt electrolysis and preparation method thereof |
| CN116162968B (en) * | 2023-03-17 | 2023-09-22 | 赣州晨光稀土新材料有限公司 | Tungsten electrode for rare earth molten salt electrolysis and preparation method thereof |
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