CN203999859U - A kind of new type stainless steel. corrosion resistance cathode collector bar - Google Patents
A kind of new type stainless steel. corrosion resistance cathode collector bar Download PDFInfo
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- CN203999859U CN203999859U CN201420423942.6U CN201420423942U CN203999859U CN 203999859 U CN203999859 U CN 203999859U CN 201420423942 U CN201420423942 U CN 201420423942U CN 203999859 U CN203999859 U CN 203999859U
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Abstract
The utility model discloses a kind of new type stainless steel. corrosion resistance cathode collector bar, comprise barred body, it also comprises the stainless steel capping that is arranged on described barred body two ends, described barred body comprises steel core, be wrapped in the copper layer of described steel core outside and be wrapped in the stainless steel layer of described copper layer outside, has breach described copper layer is exposed on the bottom of described stainless steel layer.The utility model has guaranteed that stainless steel cathode current conducting rod is not corroded on current conducting rod surface in the situation that of long-time electrolysis, and antiseptic power is strong; Delaminating while being subject to surging force, the contact site between negative plate plate body and current conducting rod can not ftracture and produce crack, can guarantee after delaminating, and negative plate continues normal use, and life cycle is long, has reduced production cost; Between steel core in the utility model, copper layer and stainless steel, combine closely, bonding interface resistance is less, and conductivity is good, and current efficiency can reach 97% ~ 99%.
Description
Technical field
The utility model relates to a kind of cathode collector bar, relates in particular to a kind of new type stainless steel. corrosion resistance cathode collector bar, belongs to the electrolytic copper technical field in copper smelting industry.
Background technology
At present, the application of known permanent stainless steel cathode plate in copper smelting industry is more and more general, and its growth momentum will replace traditional copper starting sheet gradually.Permanent stainless steel cathode technology only has ISA, KIDD, tri-kinds of Technologies of OT, these three kinds have complete electrolysis tech and relevant process matched therewith device fabrication business, ISA, KIDD and OT are mainly that negative plate and cathode stripping machine group have difference, and the difference of negative plate is mainly current conducting rod structure formation difference.ISA adopts 304L stainless steel bar, cross section is hollow rectangle closed at both ends, copper facing bed thickness 2.5mm, negative plate copper facing bed thickness 3.0mm, coating covers whole weld seams, and is extended down to negative plate face 55mm place, and stainless steel edge is opened aperture and is coated with macromolecule glue, edge cover strip and plate face are attached by gluing, and block with clamp at tapping; KIDD adopts solid fine copper rod, copper rod part firmly wraps with stainless steel sleeve, stainless steel plate and copper rod weld with spelter solder, gap sealant sealing between stainless steel sleeve and brazed seam, by polypropylene material, through being cast into and heat-treating, be then processed into both sides fluting shape, Yi Bian block stainless steel plate, the other side is inserted in polypropylene rod increases clamping force, sticky one layer tape between contained side bar and stainless steel; OT negative plate current conducting rod device be inner be solid copper bar, outside is stainless steel, bottom, current conducting rod two expose copper make with groove between current conducting rod contact, between hanger and plate face, use laser welding.
But, all there are some problems in existing current conducting rod structure, as very serious through long electrolysis post-etching in the current conducting rod of copper coating, once need to again electroplate, negative plate cost is increased greatly, and be transported to Electroplate Factory or also very high in the additional cost of the self-built Electroplate Factory of user; Some stainless steel cathode current conducting rods are to adopt sleeve structure to connect, and the surging force producing while delaminating, by directly acting on the commissure of negative plate and sleeved, easily causes weld cracking, make negative plate cannot continue normal use, and production cost is high.
Application publication number is CN102864470A, Shen Qing Publication day is that the Chinese invention patent on January 9th, 2013 discloses stainless steel cathode plate current conducting rod assembly, comprise current conducting rod and sleeved, described sleeved is the strip that stainless steel is made, comprise a base plate face, biside plate face and two swash plate faces, described base plate face and biside plate face be vertical to be surrounded rectangle that cross section is an opening, two swash plate faces and becomes the obtuse angle of the identical number of degrees respectively with between corresponding lateral plates, between described swash plate face, form one with the opening of negative plate plate body thickness adaptation; Described current conducting rod is copper current conducting rod, described current conducting rod inserts in sleeved and expose at two ends, this current conducting rod comprise three respectively with base plate face, the close-fitting square face of biside plate face and an arc surface corresponding with two swash plate faces, at the bottom of the arc of described arc surface, have axial draw-in groove.
But, the bottom draw-in groove of the current conducting rod in above-mentioned patent documentation and the contact site between negative plate plate body and sleeved and and negative plate plate body between contact site delaminating while being subject to surging force, still can ftracture and produce crack.
To sum up, how to design a kind of cathode collector bar, it can guarantee that current conducting rod surface is not corroded the in the situation that of long-time electrolysis, and guaranteeing again when delaminating not ftracture at the contact site between negative plate plate body and current conducting rod, to produce crack be urgent problem.
Utility model content
Technical problem to be solved in the utility model is for the defect existing in prior art, a kind of new type stainless steel. corrosion resistance cathode collector bar is provided, it passes through structure design, can guarantee that current conducting rod surface is not corroded the in the situation that of long-time electrolysis, can guarantee again that the contact site between negative plate plate body and current conducting rod can not ftracture when delaminating to produce crack.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of new type stainless steel. corrosion resistance cathode collector bar, comprise barred body, it also comprises the stainless steel capping that is arranged on described barred body two ends, described barred body comprises steel core, be wrapped in the copper layer of described steel core outside and be wrapped in the stainless steel layer of described copper layer outside, has breach described copper layer is exposed on the bottom of described stainless steel layer.
Preferably, described breach is provided with two, and it is separately positioned on the bottom near the stainless steel layer of the barred body of described two ends stainless steel capping.
Preferably, the length on described breach is axial along described barred body is 100mm to 110mm, and the height of described breach is 4mm to 6mm.
Preferably, described steel core is solid construction.
Circular arc is arranged in the bottom of exposing copper layer preferably.
Preferably, the radius that exposes the circular arc of copper layer bottom described in is 40mm to 80mm.
The beneficial effects of the utility model are: by structure design, the utility model has guaranteed that stainless steel cathode current conducting rod is not corroded on current conducting rod surface in the situation that of long-time electrolysis, and antiseptic power is strong; Delaminating while being subject to surging force, the contact site between negative plate plate body and current conducting rod can not ftracture and produce crack, can guarantee after delaminating, and negative plate continues normal use, and life cycle is long, has reduced production cost; Between steel core in the utility model, copper layer and stainless steel, combine closely, bonding interface resistance is less, and conductivity is good, and current efficiency can reach 97% ~ 99%.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram that the negative plate of the utility model embodiment is installed;
Fig. 2 is the main TV structure schematic diagram of the utility model embodiment;
Fig. 3 is along the sectional structure schematic diagram of A-A line in Fig. 2;
In figure: 1. stainless steel cathode current conducting rod, 11. barred bodies, 111. steel cores, 112. bronze medal layers, 113. stainless steel layers, 1131. breach, 12. stainless steel capping, 2. negative plates.
Embodiment
Below in conjunction with specific embodiments and the drawings, the technical solution of the utility model is done to further detailed elaboration.
Embodiment: as shown in Figure 1 to Figure 3, a kind of new type stainless steel. corrosion resistance cathode collector bar 1, comprise barred body 11, also comprise the stainless steel capping 12 that is arranged on described barred body 11 two ends, described barred body 11 comprises steel core 111, be wrapped in the copper layer 112 of described steel core 111 outsides and be wrapped in the stainless steel layer 113 of described copper layer 112 outside, has breach 1131 described copper layer 112 is exposed on the bottom of described stainless steel layer 113.The longitudinal cross-section of described steel core 111 is rectangle, adopt solid steel bar structure, stainless steel layer 113 adopts stainless steel tube, copper layer 112 adopts copper pipe, the material of described stainless steel layer 113 and stainless steel capping 12 all adopts 316L stainless steel, described copper layer 112 adopts C11000 material to make, and described steel core 111 adopts Q235B material to make.Add man-hour, first by stainless steel tube pickling, polished finish, again copper pipe is enclosed within to steel core outside, stainless steel tube is enclosed within to the outside barred body that forms stainless steel cathode current conducting rod of copper pipe, again by one end pressure head of barred body, then by cold extrusion, stretch, repeatedly hot rolling, after cooling, make steel core 111, copper layer 112 and stainless steel layer 113 are closely coated togather, again the bottom that is positioned at the stainless steel layer 113 at barred body two ends is milled away and form breach 1131, the copper layer 112 that makes to be wrapped in stainless steel layer exposes, and then it is in the arc-shaped to expose copper layer 112 car, the two ends that finally two stainless steel cappings 12 are welded on to barred body form the stainless steel cathode current conducting rod 1 of three-layer composite structure.After stainless steel cathode current conducting rod 1 completes, then negative plate 2 is welded on to the bottom of stainless steel cathode current conducting rod 1 by two-sided full weld or double-sided laser.Between steel core 111 in the present embodiment, copper layer 112 and stainless steel layer 113, combine closely, bonding interface resistance is less, and conductivity is good, and current efficiency can reach 97% ~ 99%.Barred body 11 in the present embodiment is arranged to three-layer composite structure and is provided with stainless steel capping 12 at barred body 11 two ends, has guaranteed that stainless steel cathode current conducting rod is not corroded on current conducting rod surface in the situation that of long-time electrolysis, and antiseptic power is strong.Negative plate in patent documentation in background technology is to be inserted in the draw-in groove on current conducting rod and welded by shrink-fit, like this when delaminating, easily cause the contact site cracking between negative plate plate body and current conducting rod to produce crack, and the present embodiment is arranged to three-layer composite structure, draw-in groove is not set on barred body 11, negative plate and current conducting rod are by two-sided full weld or directly welding of double-sided laser weldering, delaminating while being subject to surging force, contact site between negative plate plate body and current conducting rod can not ftracture and produce crack, can guarantee after delaminating, negative plate continues normal use, life cycle is long, reduced production cost.
Described breach 1131 is provided with two, it is separately positioned on the bottom near the stainless steel layer 113 of the barred body of described two ends stainless steel capping, respectively the bottom of the stainless steel layer 113 near two ends stainless steel capping is milled away and forms breach 1131, the copper layer 112 of the inside is exposed.When electrolytic copper, the copper layer 112 exposing contacts with electrolyzer busbar.
As shown in Figures 2 and 3, described breach 1131 is the length L on axially along described barred body, and being the length that axially mills away stainless steel layer along barred body is 100mm, also can mill away 105mm or 110mm; The height that height H of described breach 1131 mills away stainless steel layer is 4mm, also can mill away 5mm or 6mm, and the height H of breach is from the distance between the bottom of stainless steel layer and the top of breach herein.Like this, can guarantee that current conducting rod two ends contact completely with electrolyzer busbar, when being convenient to current conducting rod processing and manufacturing, make current conducting rod two ends expose the area minimum of copper, prevent corrosion.
Described steel core 111 is solid construction, adopts so solid rod iron as carrier bar, has increased the strength and stiffness of current conducting rod, greatly reduces cost.
The described bottom car that exposes copper layer 112 is in the arc-shaped, and making like this to expose copper layer 112 is line contact with contacting of electrolyzer busbar, guarantees that negative plate face, all the time in vertical state, when electrolytic copper, makes negative plate face each point place electromotive force even.
The described radius R that exposes the circular arc of copper layer 112 bottom is 40mm, also can 60mm or 80mm, and make like this negative plate face each point place electromotive force more be evenly distributed, further guarantee the copper indifference that negative plate adsorbs from electrolytic solution.
In sum, the utility model, by structure design, has guaranteed that stainless steel cathode current conducting rod is not corroded on current conducting rod surface in the situation that of long-time electrolysis, and antiseptic power is strong; Delaminating while being subject to surging force, the contact site between negative plate plate body and current conducting rod can not ftracture and produce crack, can guarantee after delaminating, and negative plate continues normal use, and life cycle is long, has reduced production cost; Between steel core in the utility model, copper layer and stainless steel, combine closely, bonding interface resistance is less, and conductivity is good, and current efficiency can reach 97% ~ 99%.
Above embodiment is only for illustration of the utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not in the situation that departing from spirit and scope of the present utility model; can also make a variety of changes or convert; therefore all technical schemes that are equal to also should belong to protection domain of the present utility model, and protection domain of the present utility model should be limited by each claim.
Claims (6)
1. a new type stainless steel. corrosion resistance cathode collector bar, comprise barred body, it is characterized in that: also comprise the stainless steel capping that is arranged on described barred body two ends, described barred body comprises steel core, be wrapped in the copper layer of described steel core outside and be wrapped in the stainless steel layer of described copper layer outside, has breach described copper layer is exposed on the bottom of described stainless steel layer.
2. new type stainless steel. corrosion resistance cathode collector bar according to claim 1, is characterized in that: described breach is provided with two, and it is separately positioned on the bottom near the stainless steel layer of the barred body of described two ends stainless steel capping.
3. new type stainless steel. corrosion resistance cathode collector bar according to claim 1 and 2, is characterized in that: the length on described breach is axial along described barred body is 100mm to 110mm, and the height of described breach is 4mm to 6mm.
4. new type stainless steel. corrosion resistance cathode collector bar according to claim 3, is characterized in that: described steel core is solid construction.
5. new type stainless steel. corrosion resistance cathode collector bar according to claim 3, is characterized in that: described in expose copper layer bottom be arranged to circular arc.
6. new type stainless steel. corrosion resistance cathode collector bar according to claim 5, is characterized in that: described in expose the circular arc of copper layer bottom radius be 40mm to 80mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420423942.6U CN203999859U (en) | 2014-07-30 | 2014-07-30 | A kind of new type stainless steel. corrosion resistance cathode collector bar |
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| CN201420423942.6U CN203999859U (en) | 2014-07-30 | 2014-07-30 | A kind of new type stainless steel. corrosion resistance cathode collector bar |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543904A (en) * | 2016-02-22 | 2016-05-04 | 湖南亚宏新材料科技有限公司 | Cathode plate for electrolysis, forming method of cathode plate and electrolytic cell |
| CN106319578A (en) * | 2015-07-09 | 2017-01-11 | 任海波 | Electrolytic manganese cathode combined structure with groove |
| CN107338458A (en) * | 2017-08-01 | 2017-11-10 | 三门三友科技股份有限公司 | A kind of contact rod of ladle steel structure |
| CN109082687A (en) * | 2018-10-12 | 2018-12-25 | 三门三友科技股份有限公司 | A kind of cupric electrolysis cathode collector bar |
| CN113897643A (en) * | 2021-10-11 | 2022-01-07 | 兰州理工大学 | Sandwich composite metal electrolysis and deposition cathode plate |
-
2014
- 2014-07-30 CN CN201420423942.6U patent/CN203999859U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319578A (en) * | 2015-07-09 | 2017-01-11 | 任海波 | Electrolytic manganese cathode combined structure with groove |
| CN105543904A (en) * | 2016-02-22 | 2016-05-04 | 湖南亚宏新材料科技有限公司 | Cathode plate for electrolysis, forming method of cathode plate and electrolytic cell |
| CN107338458A (en) * | 2017-08-01 | 2017-11-10 | 三门三友科技股份有限公司 | A kind of contact rod of ladle steel structure |
| CN109082687A (en) * | 2018-10-12 | 2018-12-25 | 三门三友科技股份有限公司 | A kind of cupric electrolysis cathode collector bar |
| CN113897643A (en) * | 2021-10-11 | 2022-01-07 | 兰州理工大学 | Sandwich composite metal electrolysis and deposition cathode plate |
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