CN208748211U - A kind of copper electrodeposition palisading type composite anode plate - Google Patents

A kind of copper electrodeposition palisading type composite anode plate Download PDF

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Publication number
CN208748211U
CN208748211U CN201821431866.8U CN201821431866U CN208748211U CN 208748211 U CN208748211 U CN 208748211U CN 201821431866 U CN201821431866 U CN 201821431866U CN 208748211 U CN208748211 U CN 208748211U
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lead
titanium
anode plate
oxide
palisading type
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CN201821431866.8U
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陈步明
黄惠
郭忠诚
冷和
李学龙
李威
左丽军
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Jinning Science And Technology Hengda Technology Co Ltd
KUNMING HENDERA SCIENCE AND TECHNOLOGY Co Ltd
Kunming University of Science and Technology
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Jinning Science And Technology Hengda Technology Co Ltd
KUNMING HENDERA SCIENCE AND TECHNOLOGY Co Ltd
Kunming University of Science and Technology
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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Abstract

A kind of copper electrodeposition palisading type composite anode plate including aluminum or aluminum alloy conducting beam and erosion resistant coating, is welded in the palisading type anode plate that the copper on both sides at the top of conducting beam aluminium die casting composite conducting hangers, is welded in below conducting beam;Palisading type anode plate is assembled by aluminium bar metal/titanium-based activating oxide composite anode stick, and in the top insertion conducting beam of composite anode stick, bottom is fixedly installed on lead or lead alloy plate, and the left and right sides of palisading type anode plate is fixed with insulating sheath;Composite anode stick includes aluminum or aluminum alloy stick, tin antimony clad, metal clad, titanium-based activating oxide;Copper aluminium die casting composite conducting hangers includes that copper alloy turns shape hanger, aluminum or aluminum alloy clad, erosion resistant coating;Palisading type anode plate lower part is equipped with insulator.The anode plate electro catalytic activity of the utility model is good, tank voltage is low, long service life, at low cost, electric effect are high.

Description

A kind of copper electrodeposition palisading type composite anode plate
Technical field
The utility model relates to a kind of anode plate technical fields of copper electrodeposition.
Background technique
Electrodeposition technology occupies considerable status in copper hydrometallurgy.Tank voltage is that the important technology of electrolytic deposition process refers to Mark, it is by copper sulphate decomposition voltage and electrolyte solution resistance, the contact resistance of wiring, earth of positive pole resistance, pole plate resistance etc. Caused voltage drop composition.Wherein, copper sulphate decomposition voltage be constitute tank voltage major part, account for tank voltage 75~ 80%.Therefore, to reduce copper electrodeposition power consumption must reduce copper sulphate decomposition voltage.And the decomposition voltage of copper sulphate is theoretical decomposition The sum of voltage and whole ultra-voltages.The cathode ultra-voltage value of copper electrodeposition is smaller, only 0.02~0.05V.Anodic overpotential is oxygen Caused by being precipitated on anode, value is about 0.75V, accounts for 30% or so of anode total voltage, is the main contributor of useless power consumption. Therefore tank voltage is reduced, the Evolution overpotential for reducing oxygen is the most important thing.It is computed, 1 ton of yin is precipitated in the every reduction 0.1V of tank voltage The power consumption of pole copper will reduce by 80~100kWh.
It is Pb-Sb or Pb-Sb-Ag anode in the insoluble anode of copper electrodeposition industrially initially.Research finds that Sb can drop Although overpotential for oxygen evolution Pb-Sb anode of the low Pb-Sb anode in copper electrolytic deposition process is easy production, the lead oxide film on its surface (PbO2) be easy to fall off, therefore the service life of Pb-Sb anode is short, and tough cathode is easy the pollution by lead and makes its mark when electro deposited copper Standard reduces.
Currently, nearly all factory all uses Pb-Ca-Sn anode, but Pb-Ca-Sn anode in copper electrodeposition production process The shortcomings that be overpotential for oxygen evolution be more than 700mV, cause the power consumption of copper electrodeposition to be up to 2000kWh/ tons of copper.Due to the power consumption of copper electrodeposition It is excessively high, lead to the increased costs of entire wet type copper smelting, is unfavorable for the further genralrlization and country's section of China's copper hydrometallurgical technology It can emission reduction implementation.And anode plate operationally also has very big defect: portable cathode hanger plays cathode plate When hanging, anode plate is often touched, is unfavorable for that anode plate is firm to be placed in electrolytic bath, increases and needs weight because of copper The workload of new arrangement anode plate.
Lead base Pb-Co alloy anode and lead base Pb-Co3O4Composite anode is to answer using lead or metal as matrix on its surface Close electro-deposition Pb-Co or Pb-Co3O4Alloy-layer.Co3O4It is widely used in electrochemical field, there is excellent electro catalytic activity. Test result shows Co3+And Co3O4There is excellent electro catalytic activity in copper electrolytic deposition process;Commerical test shows with Pb alloy For matrix, Pb-Co is deposited in its surface recombination3O4Tank voltage ratio tradition during electro deposited copper of anode made from composite alloy layer Pb-Ca-Sn alloy anode reduces about 70mV, and energy consumption reduces 4% or so.Co3O4Doping with Co can not only reduce analysis Oxygen overpotential can also increase the corrosion resistance of anode.But metal matrix poorly conductive itself, it is flexible deformation and it is easy to pollute Phenomena such as cathode product, is inevitable.
Titanium-based surface applies (plating) dimensionally stable anode (noble metal-coating or its oxide): its outer dimension is stablized, no change Short circuit problem caused by shape is bent;Cathode percentage of product is high;Pole plate is light-weight, facilitates carrying and processing replacement;But the service life is short, titanium-based The metal that body is easy to use in passivation and anodic coating easily causes to burn plate phenomenon etc..
The anode to be dissolved each other by way of founding or plating using light-weight metal aluminium as inner core and outer layer metal: it deposits In some insoluble problems, first is that can't resolve the mobility of metal liquid and large scale anode plate is locally likely to occur Hole;Second is that coating will appear some crystal boundary gaps, the oxygen that when electrolysis generates penetrates the crystal boundary gap alumina base of coating Body forms the aluminum oxide film layer of poorly conductive, deteriorates anode performance.
Non-ferrous metal electrodeposition palisading type anode plate: improving the mobile performance of electrolyte, improves electrolysis non-ferrous metal The effect and quality of collection touch the defect of anode plate when avoiding cathode plate and being lifted by crane.Using cheap aluminium bar as base Body, material cost are substantially reduced, but still remain interface resistance, the disadvantage that the service life is short and tank voltage is high.
Therefore, further develop that a kind of high current efficiency, low energy consumption, cheap, tough cathode product quality is high (leaded Anode less) is very necessary.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned disadvantages of the existing technology, provide a kind of electro catalytic activity Copper electrodeposition palisading type composite anode plate good, tank voltage is low, long service life, at low cost, electric effect are high.
The purpose of this utility model is achieved through the following technical solutions:
A kind of copper electrodeposition palisading type composite anode plate, including aluminum or aluminum alloy conducting beam, be symmetrically welded in conductive back The copper aluminium die casting composite conducting hangers on portion both sides, the erosion resistant coating for being coated on conducting beam surface, the fence being welded in below conducting beam Type anode plate;The palisading type anode plate is assembled by one group of vertical aluminium bar metal/titanium-based activating oxide composite anode stick It forms, all aluminium bar metals/titanium-based activating oxide composite anode stick top is inserted into conducting beam and is welded with conducting beam, bottom Portion is fixedly installed on the lead or lead alloy plate of a transverse direction, and the left and right sides of palisading type anode plate is fixed with insulating sheath;Institute Aluminium bar metal/titanium-based activating oxide composite anode stick is stated to include aluminum or aluminum alloy stick, be coated on aluminum or aluminum alloy stick surface Tin antimony clad, be coated on the metal clad on tin antimony surface, be coated on the titanium-based active oxygen of metal cover surface Compound layer, titanium-based active oxidation nitride layer are that the titanium net sintering after sandblasting has one layer of activating oxide;The copper aluminium die casting is compound Conductive hangers includes bottom end and the copper alloy of conducting beam welding turns shape hanger, die casting is coated on and turns aluminium or aluminium that shape hanger turns head Alloy cladding layer, die casting are coated on the erosion resistant coating of aluminum or aluminum alloy cover surface;It is installed in palisading type anode plate plate face lower part There is insulator.
Aluminium bar metal described in the utility model/titanium-based activating oxide composite anode stick center aluminum or aluminum alloy stick is Cross-sectional profile is the round or ellipse or rectangle bar of isomery shape, and the outer surface of metal clad is waveform or saw Tooth form.The aluminium bar metal/titanium-based activating oxide composite anode stick metal coating layer material is lead calcium strontium, lead calcium strontium Rare earth, lead calcium tin rare earth, slicker solder rare earth, lead, tin and stibium rare earth, lead silver calcium tin rare earth, lead silver tin antimony rare earth, in lead silver tin antimony rare earth One kind.The lead alloy plate material be lead antimony strontium, lead antimony strontium and rare earth, lead antimony tin rare earth, slicker solder rare earth, lead silver tin antimony rare earth, One of lead silver tin strontium antimony rare earth.The erosion resistant coating by PE, PVC, PP, HIPS, PB-1, PP-ABS any one or Any modified plastics is molded.Activating oxide in the titanium-based activating oxide is cobalt oxide-ruthenium-oxide, oxidation One of cobalt-ruthenium-oxide-titanium oxide, cobalt oxide-ruthenium-oxide-titanium oxide-tin oxide or a variety of oxidation mixtures, the titanium Net is diamond-shaped meshes titanium, and material is TA1 or TA2, with a thickness of 0.1-3mm.Anti-corrosion is coated in palisading type anode plate upper face Layer.
The utility model has the advantages that compared with prior art
1, tin antimony clad, metal clad, titanium-based active oxidation are successively coated outside aluminum or aluminum alloy stick matrix Object forms porous, Sn-Sb alloy and A1 firm binding force on aluminum substrate surface, improves electrode life, greatly improves simultaneously The hardness of alloy.
2, it on aluminium alloy conducting beam surface and palisading type anode plate top (more than electroplate liquid interface) anticorrosive coating, prevents Aluminium or metal are contacted with the acid mist in cathode copper, are played the role of protecting aluminium and metal, are improved the use of anode plate Service life.
3, Copper-Aluminum compound conduction hangers uses die casting structure, improves the firmness of Copper-Aluminum compound, reduces compound interface Crackle and aluminium alloy the high defect of porosity, extend the service life of anode.
4, using multicomponent alloy is coated in titanium net, the overpotential for oxygen evolution for greatly improving electrode is low, reduces electrolysis The overpotential for oxygen evolution of tank voltage, electrode is low, long service life.
The utility model compares existing similar product, and electric conductivity significantly improves, and tank voltage is substantially reduced, long service life, Current efficiency is high, and current density can promote 2-3 times.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the copper electrodeposition palisading type composite anode plate of the utility model;
Fig. 2 is the A-A diagrammatic cross-section of Fig. 1;
Fig. 3 is the B-B diagrammatic cross-section of Fig. 1;
Fig. 4 is aluminium bar metal/titanium-based activating oxide composite anode stick sectional view in Fig. 1.
Specific embodiment
The utility model is described in further detail below by embodiment, but scope of protection of the utility model is not limited to In the content.
As shown in Figure 1 to 4, the copper electrodeposition of the utility model is led with palisading type composite anode plate, including aluminum or aluminum alloy Electric beam 1, the anti-corrosion for being symmetrically welded the copper aluminium die casting composite conducting hangers in conducting beam top both sides, being coated on 1 surface of conducting beam Layer 3, the palisading type anode plate 4 for being welded in 1 lower section of conducting beam.The palisading type anode plate 4 by one group of vertical aluminium bar metal/ Titanium-based activating oxide composite anode stick assembles, all aluminium bar metals/titanium-based activating oxide composite anode stick top Portion is inserted into conducting beam and welds with conducting beam, and bottom is fixedly installed on the lead or lead alloy plate 5 of a transverse direction, palisading type anode The left and right sides of plate is fixed with insulating sheath 6.On top (more than electroplate liquid interface when plating) surface of palisading type anode plate Anticorrosive coating.The aluminium bar metal/titanium-based activating oxide composite anode stick includes aluminum or aluminum alloy stick 4a, is coated on aluminium Or aluminium alloy bars surface tin antimony clad 4b, be coated on tin antimony surface metal clad 4c, be coated on metal cladding The titanium-based active oxidation nitride layer 7 of layer surface, the titanium-based active oxidation nitride layer 7 are that the titanium net sintering after sandblasting has one layer of activity Oxide, activating oxide are cobalt oxide-ruthenium-oxide, cobalt oxide-ruthenium-oxide-titanium oxide, cobalt oxide-ruthenium-oxide-titanium oxide-oxygen Change one of tin or a variety of oxidation mixtures, the titanium net is diamond-shaped meshes titanium, and material is TA1 or TA2, with a thickness of 0.1- 3mm, mesh specification are one kind of 1 × 2mm, 2 × 4mm, 3 × 6mm, 4 × 8mm etc..Tin antimony clad 4b can use prior art system It is standby to obtain, such as aluminum or aluminum alloy stick is placed in tin plating antimony solution and is electroplated.Titanium-based active oxidation nitride layer 7 can pass through the prior art And material is prepared.The copper aluminium die casting composite conducting hangers includes that bottom end and the copper alloy of the welding of conducting beam 1 turn shape hanger 2a, die casting, which are coated on, turns that shape hanger turns the aluminum or aluminum alloy clad 2b on head, die casting is coated on aluminum or aluminum alloy clad table The erosion resistant coating 3 in face.Copper alloy turns shape hanger with a thickness of 13~22mm.Insulator 8 is installed in palisading type anode plate plate face lower part. The erosion resistant coating 3 by any one or the injection molding of any modified plastics in PE, PVC, PP, HIPS, PB-1, PP-ABS and At.6 material of insulating sheath used is PP, PE or modified PE or PP or ABS.5 material of lead alloy plate is lead antimony strontium, lead antimony One of current materials such as strontium and rare earth, lead antimony tin rare earth, slicker solder rare earth, lead silver tin antimony rare earth, lead silver tin strontium antimony rare earth.
As shown in figure 4, the aluminium bar metal/titanium-based activating oxide composite anode stick center aluminum or aluminum alloy stick 4a It is the circle that cross-sectional profile is irregular isomery shape (the present embodiment is zigzag), the outer surface of metal clad 4c is Waveform.The diameter of aluminum or aluminum alloy stick is 5~20mm.Metal clad 4c with a thickness of 2~20mm.Aluminium bar metal/ The metal clad 4c material of titanium-based activating oxide composite anode stick is that the available lead calcium strontium of the prior art, lead calcium strontium are dilute Soil, lead calcium tin rare earth, slicker solder rare earth, lead, tin and stibium rare earth, lead silver calcium tin rare earth, lead silver tin antimony rare earth, in lead silver tin antimony rare earth It is a kind of.

Claims (7)

1. a kind of copper electrodeposition palisading type composite anode plate, which is characterized in that including aluminum or aluminum alloy conducting beam (1), balanced welding It is connected to the copper aluminium die casting composite conducting hangers on both sides at the top of conducting beam, the erosion resistant coating (3) for being coated on conducting beam (1) surface, welding Palisading type anode plate (4) below conducting beam (1);The palisading type anode plate (4) is by one group of vertical aluminium bar metal/titanium Base activating oxide composite anode stick assembles, all aluminium bar metals/titanium-based activating oxide composite anode stick top It is inserted into conducting beam and is welded with conducting beam, bottom is fixedly installed on the lead or lead alloy plate (5) of a transverse direction, palisading type anode The left and right sides of plate is fixed with insulating sheath (6);The aluminium bar metal/titanium-based activating oxide composite anode stick include aluminium or Aluminium alloy bars (4a), the tin antimony clad (4b) for being coated on aluminum or aluminum alloy stick surface, the metal packet for being coated on tin antimony surface Coating (4c), the titanium-based active oxidation nitride layer (7) for being coated on metal cover surface, titanium-based active oxidation nitride layer (7) be Titanium net sintering after sandblasting has one layer of activating oxide;The copper aluminium die casting composite conducting hangers includes bottom end and conducting beam (1) The copper alloy of welding turns shape hanger (2a), die casting is coated on and turns shape hanger and turn the aluminum or aluminum alloy clad (2b) on head, die casting It is coated on the erosion resistant coating (3) of aluminum or aluminum alloy cover surface;Insulator (8) are installed in palisading type anode plate plate face lower part.
2. a kind of copper electrodeposition palisading type composite anode plate according to claim 1, which is characterized in that the aluminium bar lead closes Gold/titanium-based activating oxide composite anode stick center aluminum or aluminum alloy stick (4a) be cross-sectional profile be isomery shape circle or Ellipse or rectangle bar, the outer surface of metal clad (4c) are waveform or zigzag.
3. a kind of copper electrodeposition palisading type composite anode plate according to claim 1, which is characterized in that the aluminium bar lead closes Gold/titanium-based activating oxide composite anode stick metal clad (4c) material is that lead calcium strontium, lead, calcium, strontium and rare earth, lead calcium tin are dilute One of soil, slicker solder rare earth, lead, tin and stibium rare earth, lead silver calcium tin rare earth, lead silver tin antimony rare earth, lead silver tin antimony rare earth.
4. a kind of copper electrodeposition palisading type composite anode plate according to claim 1, which is characterized in that the lead alloy plate (5) material be lead antimony strontium, lead antimony strontium and rare earth, lead antimony tin rare earth, slicker solder rare earth, lead silver tin antimony rare earth, in lead silver tin strontium antimony rare earth One kind.
5. a kind of copper electrodeposition palisading type composite anode plate according to claim 1, which is characterized in that the erosion resistant coating (3) it is molded by any one or any modified plastics in PE, PVC, PP, HIPS, PB-1, PP-ABS.
6. a kind of copper electrodeposition palisading type composite anode plate according to claim 1, which is characterized in that the titanium-based activity Activating oxide on oxide skin(coating) (7) is cobalt oxide-ruthenium-oxide, cobalt oxide-ruthenium-oxide-titanium oxide, cobalt oxide-ruthenium-oxide- One of titanium oxide-tin oxide or a variety of oxidation mixtures, the titanium net are diamond-shaped meshes titanium, and material is TA1 or TA2, With a thickness of 0.1-3mm.
7. a kind of copper electrodeposition palisading type composite anode plate according to claim 1, which is characterized in that in palisading type anode Plate upper face is coated with erosion resistant coating.
CN201821431866.8U 2018-09-03 2018-09-03 A kind of copper electrodeposition palisading type composite anode plate Active CN208748211U (en)

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