CN102766887B - Method for manufacturing stainless steel negative plate - Google Patents
Method for manufacturing stainless steel negative plate Download PDFInfo
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- CN102766887B CN102766887B CN201210292138.4A CN201210292138A CN102766887B CN 102766887 B CN102766887 B CN 102766887B CN 201210292138 A CN201210292138 A CN 201210292138A CN 102766887 B CN102766887 B CN 102766887B
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- Prior art keywords
- negative plate
- conducting rod
- current conducting
- stainless steel
- sheet material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention discloses a method for manufacturing a stainless steel negative plate. A negative plate selects 316L stainless steel or duplex stainless steel; a current conducting rod selects electrolytic copper with the purity larger than 99%; and a connecting sleeve selects 316L stainless steel plates. A lifting hole is opened at one end of the negative plate, and a V-shaped groove is opened on an end face at the other end; a copper rod is molded into the current conducting rod in an extruding mode, and the flexibility of the current conducting rod is less than or equal to 0.2mm; a clamping groove is opened in the center line on a cambered surface of the current conducting rod; and the 316L stainless steel plate is rolled into the connecting sleeve, and the cross section of the connecting sleeve is matched with the section of the current conducting rod; the current conducting rod is embedded into the connecting sleeve tightly, one end of the negative plate with the lifting hole is inserted into the connecting sleeve through an opening and in interference fit with the clamping groove of the current conducting rod; the negative plate is welded; the surface of the negative plate is passivated; and an insulating clamping side bar is mounted. The stainless steel negative plate obtained through the method has the advantages of being firm, long in service life, and high in current utilization efficiency.
Description
Technical field
The present invention relates to a kind of making method of negative plate, refer to a kind of stainless steel cathode board manufacturing method for electrolysis industry especially.
Background technology
Along with technical progress, stainless steel cathode plate is more and more extensive in the application of copper refining enterprise, and its developing state progressively will substitute traditional copper starting sheet.Stainless steel cathode electrolysis tech is world's modern technique, represents the top-level of copper refining.At copper refining business enterprise expand application stainless steel cathode plate, there is vast potential for future development.There is problem in so current negative plate: 1. current conducting rod and negative plate plate body, and the connection of negative plate plate body and sleeved is firm not; 2. between the current conducting rod of negative plate and the guide of electrolyzer, distribution of current is uneven, and current conducting rod is easily by heating high temperature, and cause resistance to raise, the efficiency of electric current is lower; 3. negative plate plate body corrosion resistance nature is bad, and work-ing life is not long.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of stainless steel cathode board manufacturing method, and the stainless steel cathode plate that this making method obtains is firm, the utilising efficiency of long service life, electric current is high.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of stainless steel cathode board manufacturing method, comprises
1) selection
The 316L stainless steel of negative plate board selection surfaceness 0.16 ~ 0.6mm or duplex stainless steel; Current conducting rod selects purity to be greater than the electrolytic copper of 99%; Sleeved selects 316L stainless-steel sheet;
2) process
2.1, square or oval erection opening is cut in negative plate sheet material one end on cutting facility;
2.2, a V-shaped groove is opened by the end face of the negative plate sheet material the other end;
2.3, copper rod is become current conducting rod through mould formed by extrusion and tension, current conducting rod comprises three vertical successively planes and a cambered surface, current conducting rod sinuousness≤0.2mm;
2.4, on a cambered surface medullary ray of current conducting rod, open a draw-in groove, the groove width of this draw-in groove and the thickness of negative plate sheet material form shrink-fit, and flute length is consistent with the width of negative plate sheet material;
2.5,316L stainless-steel sheet is rolled into sleeved, the cross section of described sleeved and current conducting rod cross section adaptation, described sleeved comprises and three planes of three of current conducting rod plane close fitting and two inclined-planes corresponding with cambered surface, forms the opening with negative plate sheet metal thickness adaptation between described inclined-plane;
3) assemble
Current conducting rod, sleeved and negative plate sheet material are assembled, current conducting rod are closely embedded in sleeved, negative plate sheet material with erection opening one end from sleeved opening insert and with the draw-in groove shrink-fit of current conducting rod;
4) weld
Adopt PLC consumable electrode gas-arc automatic welding by two inclined-planes of sleeved and negative plate sheet material double face full weld;
5) negative plate plate surface Passivation Treatment
6) insulating clamp edge strip is installed
The dual-side of negative plate sheet material is clamped by the contained side bar of two ABS respectively.
As the preferred scheme of one, described V-shaped groove is the V-shaped groove of 90 °.
As the preferred scheme of one, the length of described V-shaped groove is consistent with the width of negative plate sheet material.
As the preferred scheme of one, the length of described V-shaped groove is less than the width of negative plate sheet material, the end of described V-shaped groove and negative plate sheet material side between spacing be applicable to the installation of insulating clamp edge strip.
After have employed technique scheme, effect of the present invention is: 1. adopt 316L stainless steel or duplex stainless steel as negative plate plate body, have stronger erosion resistance, stable mechanical performance, can operate, can reach 320-360A/m under higher current density
2, thus accelerate the speed of negative plate plate body absorbing copper; 2. current conducting rod comprises three vertical successively planes and a cambered surface, therefore, linear contact lay between the cambered surface of current conducting rod and the guide of electrolyzer, therefore, avoid it and contact inequality between the two and the problem causing distribution of current inequality, it also avoid because distribution of current is uneven and cause current conducting rod to generate heat, avoiding electrical loss like this, improve electrical efficiency; 3. negative plate plate body and current conducting rod shrink-fit, and two-sided full weld between the inclined-plane of sleeved and negative plate plate body, the contact surface of inclined-plane and negative plate plate body is large, weld more firm, and two inclined-plane common anticathode plate plate bodys one holding force upwards, like this, the connection between negative plate plate body and current conducting rod, between negative plate plate body and sleeved is all very firm, thus long service life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the negative plate produced of the embodiment of the present invention;
Fig. 2 is the enlarged partial sectional view of Fig. 1 on A-A direction;
Fig. 3 is the bottom direction view of negative plate plate body of the present invention;
In accompanying drawing: 1. negative plate sheet material; 11.V shape groove; 2. sleeved; 21. inclined-planes; 3. erection opening; 4. current conducting rod; 41. cambered surfaces; 42. draw-in grooves; 5. insulating clamp edge strip;
Embodiment
Below by specific embodiment, the present invention is described in further detail.
A kind of stainless steel cathode board manufacturing method, as shown in Figure 1, comprises
1) selection
Negative plate sheet material 1 selects 316L stainless steel or the duplex stainless steel of surfaceness 0.16 ~ 0.6mm; Current conducting rod 4 selects purity to be greater than the electrolytic copper of 99%, preferably the electrolytic copper of 99.99%; Sleeved 2 selects 316L stainless-steel sheet; 316L is the stainless steel kind containing molybdenum, has stronger erosion resistance, stable mechanical performance, can bear larger current density, accelerates the rate of adsorption of cupric ion, also improves work-ing life.
2) process
2.1, square or oval erection opening 3 is cut in negative plate sheet material 1 one end on cutting facility; The long 1095mm of negative plate sheet material 1, wide by 1047, thickness 3.25 ± 0.05, the erection opening 3 in the present embodiment is the square erection opening 3 of wide 100mm, certainly, also can be oval erection opening 3, oval major axis be vertical state, lifts so conveniently not easily to shake;
2.2, the end face of negative plate sheet material 1 the other end will be opened a V-shaped groove 11; The length of V-shaped groove 11 can be 1047mm also can be 1029mm, and described V-shaped groove 11 is the V-shaped groove 11 of 90 °.The length of described V-shaped groove 11 is consistent with the width of negative plate sheet material 1, is convenient to disposable shape groove milling like this.Certainly, the length of described V-shaped groove 11 also can be less than the width of negative plate sheet material 1, the end of described V-shaped groove 11 and negative plate sheet material 1 side between spacing be applicable to the installation of insulating clamp edge strip 5.
2.3, copper rod is become current conducting rod 4 through mould formed by extrusion and tension, its length is 1330mm, and current conducting rod 4 comprises the cambered surface 41 of three vertical successively planes and a R50mm, current conducting rod 4 sinuousness≤0.2mm;
2.4, open a draw-in groove 42 by cambered surface 41 medullary ray of current conducting rod 4, the groove width of this draw-in groove 42 and the thickness of negative plate sheet material 1 form shrink-fit, and flute length is consistent with the width of negative plate sheet material 1, and draw-in groove 42 degree of depth is 6mm;
2.5,316L stainless-steel sheet is rolled into sleeved 2, its rolling equipment adopts special-shaped tubing machine, the cross section of described sleeved 2 and current conducting rod 4 cross section adaptation, described sleeved 2 comprises and three planes of three of current conducting rod 4 plane close fitting and two inclined-planes 21 corresponding with cambered surface 41, forms the opening with negative plate sheet material 1 thickness adaptation between described inclined-plane 21;
3) assemble
Current conducting rod 4, sleeved 2 and negative plate sheet material 1 are assembled, current conducting rod 4 are closely embedded in sleeved 2, negative plate sheet material 1 with erection opening 3 one end from sleeved 2 opening insert and with draw-in groove 42 shrink-fit of current conducting rod 4;
4) weld
Adopt PLC consumable electrode gas-arc automatic welding by two inclined-planes 21 of sleeved 2 and the two-sided full weld of negative plate sheet material 1;
5) negative plate sheet material 1 surface passivating treatment, forms passive film and makes the better absorbing copper ion of stainless steel plate.
6) insulating clamp edge strip 5 is installed
The dual-side of negative plate sheet material 1 is clamped by the insulating clamp edge strip 5 of two ABS respectively.Insulating clamp edge strip 5 back side cylinder pressure bar is withheld to power, combines closely with negative plate, Reusability difficult drop-off.There is the features such as high temperature resistant, corrosion-resistant, insulation, long service life, good mechanical property, not frangibility.
The stainless steel cathode plate long service life that above-mentioned making method obtains, electric losses are little, and electrical efficiency is high, and negative plate sheet material 1 and current conducting rod 4, being connected firmly of sleeved 2, bear larger polluted by copper amount.
Claims (4)
1. stainless steel cathode board manufacturing method, is characterized in that: comprise
1) selection
The 316L stainless steel of negative plate board selection surfaceness 0.16 ~ 0.6mm or duplex stainless steel; Current conducting rod selects purity to be greater than the electrolytic copper of 99%; Sleeved selects 316L stainless-steel sheet;
2) process
2.1, square or oval erection opening is cut in negative plate sheet material one end on cutting facility;
2.2, a V-shaped groove is opened by the end face of the negative plate sheet material the other end;
2.3, copper rod is become current conducting rod through mould formed by extrusion and tension, current conducting rod comprises three vertical successively planes and a cambered surface, current conducting rod sinuousness≤0.2mm;
2.4, on a cambered surface medullary ray of current conducting rod, open a draw-in groove, the groove width of this draw-in groove and the thickness of negative plate sheet material form shrink-fit, and flute length is consistent with the width of negative plate sheet material;
2.5,316L stainless-steel sheet is rolled into sleeved, the cross section of described sleeved and current conducting rod cross section adaptation, described sleeved comprises and three planes of three of current conducting rod plane close fitting and two inclined-planes corresponding with cambered surface, forms the opening with negative plate sheet metal thickness adaptation between described inclined-plane;
3) assemble
Current conducting rod, sleeved and negative plate sheet material are assembled, current conducting rod are closely embedded in sleeved, negative plate sheet material with erection opening one end from sleeved opening insert and with the draw-in groove shrink-fit of current conducting rod;
4) weld
Adopt PLC consumable electrode gas-arc automatic welding by two inclined-planes of sleeved and negative plate sheet material double face full weld;
5) negative plate plate surface Passivation Treatment
6) insulating clamp edge strip is installed
The dual-side of negative plate sheet material is clamped by the contained side bar of two ABS respectively.
2. stainless steel cathode board manufacturing method as claimed in claim 1, is characterized in that: described V-shaped groove is the V-shaped groove of 90 °.
3. stainless steel cathode board manufacturing method as claimed in claim 2, is characterized in that: the length of described V-shaped groove is consistent with the width of negative plate sheet material.
4. stainless steel cathode board manufacturing method as claimed in claim 2, is characterized in that: the length of described V-shaped groove is less than the width of negative plate sheet material, the end of described V-shaped groove and negative plate sheet material side between spacing be applicable to the installation of insulating clamp edge strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210292138.4A CN102766887B (en) | 2012-08-16 | 2012-08-16 | Method for manufacturing stainless steel negative plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210292138.4A CN102766887B (en) | 2012-08-16 | 2012-08-16 | Method for manufacturing stainless steel negative plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102766887A CN102766887A (en) | 2012-11-07 |
| CN102766887B true CN102766887B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210292138.4A Expired - Fee Related CN102766887B (en) | 2012-08-16 | 2012-08-16 | Method for manufacturing stainless steel negative plate |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817048A (en) * | 2012-08-29 | 2012-12-12 | 张家港市江城冶化科技有限公司 | Stainless steel connecting sleeve for negative plate |
| CN102864470A (en) * | 2012-08-29 | 2013-01-09 | 张家港市江城冶化科技有限公司 | Current-conducting rod assembly of stainless steel negative plate |
| CN102787331A (en) * | 2012-08-29 | 2012-11-21 | 张家港市江城冶化科技有限公司 | Stainless steel negative plate |
| CN103014780B (en) * | 2012-12-25 | 2016-04-13 | 林建洪 | A kind of Novel electrolytic, electrodeposition negative plate and preparation method thereof |
| CN103273191A (en) * | 2013-06-14 | 2013-09-04 | 云南驰宏锌锗股份有限公司 | Method for welding large-area zinc electrolysis cathode plates |
| CN104694978B (en) * | 2013-12-05 | 2018-03-23 | 阳谷祥光铜业有限公司 | The processing method and processing unit of a kind of waste electrolyte |
| CN105274579B (en) * | 2014-05-26 | 2017-12-19 | 江西瑞林装备有限公司 | Electrolytic negative plate |
| CN114657605A (en) * | 2022-03-15 | 2022-06-24 | 洛阳双瑞精铸钛业有限公司 | Titanium aluminium titanium electrolysis copper negative plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535422Y (en) * | 2001-10-16 | 2003-02-12 | 李金发 | Cathode for copper electrowinning or electrorefining |
| CN1399010A (en) * | 2002-02-06 | 2003-02-26 | 昆明理工大学 | Making process of durable stainless steel cathode plate for copper electrolyzing refining |
| CN101835923A (en) * | 2007-08-24 | 2010-09-15 | Epcm服务有限公司 | Electrolytic cathode assembly and methods of manufacturing and using same |
-
2012
- 2012-08-16 CN CN201210292138.4A patent/CN102766887B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535422Y (en) * | 2001-10-16 | 2003-02-12 | 李金发 | Cathode for copper electrowinning or electrorefining |
| CN1399010A (en) * | 2002-02-06 | 2003-02-26 | 昆明理工大学 | Making process of durable stainless steel cathode plate for copper electrolyzing refining |
| CN101835923A (en) * | 2007-08-24 | 2010-09-15 | Epcm服务有限公司 | Electrolytic cathode assembly and methods of manufacturing and using same |
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| CN102766887A (en) | 2012-11-07 |
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