CN106319577A - Energy-saving and environment-friendly anode plate - Google Patents
Energy-saving and environment-friendly anode plate Download PDFInfo
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- CN106319577A CN106319577A CN201510380537.XA CN201510380537A CN106319577A CN 106319577 A CN106319577 A CN 106319577A CN 201510380537 A CN201510380537 A CN 201510380537A CN 106319577 A CN106319577 A CN 106319577A
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Abstract
The invention relates to an energy-saving and environment-friendly anode plate. The energy-saving and environment-friendly anode plate comprises a cross beam and a plate electrode. The cross beam of the anode plate is of a titanium-clad copper structure. The plate electrode is welded to the lower portion of the cross beam. A substrate of the plate electrode is made of pure titanium. Small holes are formed in the substrate in parallel or in a net shape, and the hole ratio is 47%-50%. The outer surface of the substrate is coated with a rare and noble metal coating, and the rare and noble metal coating is prepared from a rare and noble metal mixture and conductive resin. The energy-saving and environment-friendly anode plate can replace a traditional lead plate, heavy metal pollution is eliminated, the overall strength is obviously improved, and the anode plate is not prone to deformation; the corrosion resistance is greatly improved, and since the coating can be smeared and used repeatedly, the service life of the anode plate can be prolonged to three years and is twice or over of the average service life of an existing anode plate made of electrolytic manganese metal; and by the adoption of the energy-saving and environment-friendly anode plate, the bath voltage can be effectively lowered, the thickness of the plate electrode is reduced, the polar distance can be decreased to 50-55 mm, the current efficiency is further improved, and electricity consumption is reduced. About two fifths of the anode plate is consumed for producing each ton of electrolytic manganese, and comprehensive economic benefits are remarkable.
Description
Technical field
The present invention relates to the component of a kind of electrolysis bath, particularly relate to a kind of electrolytic anode plate being applied in electrolytic manganese, electrolytic zinc industry and using.
Background technology
Positive plate is the important spare part during the industry production such as electrolytic manganese, electrolytic aluminium.Since manganese dioxide uses electrolysis to carry out commercial production, the positive plate used have passed through graphite, pb-ag alloy, pure titanium, titanium manganese ferrochrome quaternary alloy and the development course of titanium manganese coated anode.At present, because of density not, intensity is relatively low, yielding for graphite and lead silver alloy anode plate, and corrosion resistance is strong, and in electrolysis production, service life is short, generally can only use about 18 months, often produces one ton of electrolytic manganese and need to consume 0.8～0.9 piece of positive plate；And casting flaw usually occurs in its surface, leaves pit, piebaldism etc., it is unfavorable for that electrolysis production is eliminated.
Pure titanium has the advantage of uniqueness as replacement graphite and lead silver alloy anode, but but there is its intrinsic passivation to be inclined to, in the case of slightly higher electric current density or electrolysis temperature are slightly lower, and use after certain time, easily it is passivated, causing tank voltage to raise, power consumption increases, and even cannot continue electrolysis.For these defects of pure titanium, create the method such as suspension electrolysis, surface sand-blasting, but it simply has mitigation to drawbacks described above, it is desired nonetheless to sandblasting or back-electrolysis the most repeatedly.
And titanium manganese ferrochrome quaternary alloy is bad due to its welding performance, it is impossible to be applied to the welding assembly of large-scale anode, the trend that after there is also life-time service, tank voltage rises simultaneously, the most superseded.
And titanium manganese alloy coated anode is a kind of positive plate used at present, its resist passivation is with the obvious advantage, and service life is long, and power consumption is relatively low, but it uses common vacuum sintering technology, and equipment investment is relatively big, and production efficiency is relatively low, and preparation cost is high.Using bolt fastening between each positive plate, it is the most firm to make electrical contact with, thus affects it and maximize, and limits its application in reality.
Number of patent application be 200910242278.9 " preparation method of a kind of positive plate for electrolyzing manganese dioxide " propose with titanium as substrate, titanium, manganese, chromium, ferrum quaternary alloy are the production method of the positive plate of face coat, use and dynamically lift sintering process, and welding and cast aluminium assembling mode solve the problems referred to above, achieve anode to maximize, reduce further power consumption.But its positive plate thickness is the thickest, pole span is relatively big, and power consumption is the highest, it is impossible to meet the demand that enterprise quickly increases production.
For above-mentioned deficiency, need to develop a kind of new electrolytic manganese production positive plate, improve the intensity of positive plate and resistance to
Corrosivity, is significantly greatly increased positive plate service life, reduces the positive plate consumption during electrolytic manganese production, cost-effective.
Summary of the invention
It is an object of the invention to provide a kind of energy-conserving and environment-protective positive plate, to improve intensity and the corrosion resistance of positive plate, increase positive plate service life, reduce the positive plate consumption during electrolytic manganese production, cost-effective.
The object of the present invention is achieved like this: energy-conserving and environment-protective positive plate it include crossbeam and battery lead plate, its crossbeam uses titanium copper-clad structure, welding electrode plate under crossbeam, and described battery lead plate is with pure titanium as substrate, substrate is offered side by side or in netted aperture, percent opening 47% 50%.Scribbling rare precious metal coating at outer surface of substrate, described rare precious metal coating is made up of rare precious metal mixture and electroconductive resin, and its mass percentage content is: rare precious metal mixture 15 20%, electroconductive resin 80 85%.Described rare precious metal mixture is made up of iridium dioxide, ruthenic oxide, tantalum dioxide and rare earth oxide, and its mass percentage content is: iridium dioxide 75 85%, ruthenic oxide 5 15%, tantalum dioxide 5 10%, rare earth oxide 0.8 1.5%.
Owing to carrying out technique scheme, the present invention replaces tradition stereotype completely, stops heavy metal pollution, and bulk strength significantly improves, and positive plate is unlikely to deform；Corrosion resistance is greatly improved, owing to coating can brush utilization repeatedly so that positive plate can bring up to 3 years service life, is more than 2 times of existing electrolytic manganese metal production positive plate average life；The present invention can effectively reduce tank voltage, and battery lead plate thickness reduces, and pole span can reduce to 50 55mm, increases current efficiency further, reduces electric consumption.Often producing one ton of electrolytic manganese, positive plate consumption is down to about 0.4 piece；Overall economic efficiency is notable: calculating by producing 150000 tons of electrolytic manganese metals per year, the price maintenance of lead is at 19000 yuan/ton, in the case of other basic held stationaries of element material price, and the most cost-saved about 30,000,000 yuan.
Detailed description of the invention: the present invention is not limited by following embodiment, can determine specific embodiment according to technical scheme and practical situation.
Embodiment 1: energy-conserving and environment-protective positive plate it include crossbeam and battery lead plate, its crossbeam uses titanium copper-clad structure, welding electrode plate under crossbeam, and described battery lead plate, with pure titanium as substrate, offers side by side or in netted aperture on substrate, percent opening 47% 50%.Scribbling rare precious metal coating at outer surface of substrate, described rare precious metal coating is made up of rare precious metal mixture and electroconductive resin, and its mass percentage content is: rare precious metal mixture 15 20%, electroconductive resin 80 85%.Described rare precious metal mixture is made up of iridium dioxide, ruthenic oxide, tantalum dioxide and rare earth oxide, and its mass percentage content is: iridium dioxide 75 85%, ruthenic oxide 5 15%, tantalum dioxide 5 10%, rare earth oxide 0.8 1.5%.Rare earth oxide refers to 15 kinds of lanthanide oxides that period of element atom ordinal number is 57 to 71, and the scandium (Sc) similar to lanthanide series chemical property and the oxide of yttrium (Y) totally 17 kinds of elements.Rare earth oxide in the application is also not specific to any one of aforementioned lanthanide oxide, and any one or a few mixture all can use in this application.
Electroconductive resin in the application is prior art, electroconductive resin is also referred to as electroconductive resin, it can be divided into binding agent, coating and three kinds of different side's conducting resinl, owing to the materials such as plastics, rubber, pottery are had the strongest adhesive property, and can use at nonweldable position, it is widely used in the bonding of wire and electrode, unprocessed quasiconductor, EMI parts bonding, the aspect such as the making in printing loop.The main function using its coating type in the application.
Embodiment 2: described rare precious metal coating is made up of rare precious metal mixture and electroconductive resin, its mass percentage content is: rare precious metal mixture 15%, electroconductive resin 85%.Described rare precious metal mixture is made up of iridium dioxide, ruthenic oxide, tantalum dioxide and rare earth oxide, and its mass percentage content is: iridium dioxide 75%, ruthenic oxide 15%, tantalum dioxide 8.5%, rare earth oxide 1.5%.
Embodiment 3: described rare precious metal coating is made up of rare precious metal mixture and electroconductive resin, its mass percentage content is: rare precious metal mixture 15%, electroconductive resin 85%.Described rare precious metal mixture is made up of iridium dioxide, ruthenic oxide, tantalum dioxide and rare earth oxide, and its mass percentage content is: iridium dioxide 85%, ruthenic oxide 6.5%, tantalum dioxide 7%, rare earth oxide 1.5%.
Embodiment 4: described rare precious metal coating is made up of rare precious metal mixture and electroconductive resin, its mass percentage content is: rare precious metal mixture 20%, electroconductive resin 80%.Described rare precious metal mixture is made up of iridium dioxide, ruthenic oxide, tantalum dioxide and rare earth oxide, and its mass percentage content is: iridium dioxide 75%, ruthenic oxide 15%, tantalum dioxide 8.5%, rare earth oxide 1.5%.
Embodiment 5: described rare precious metal coating is made up of rare precious metal mixture and electroconductive resin, its mass percentage content is: rare precious metal mixture 20%, electroconductive resin 80%.Described rare precious metal mixture is made up of iridium dioxide, ruthenic oxide, tantalum dioxide and rare earth oxide, and its mass percentage content is: iridium dioxide 85%, ruthenic oxide 6.5%, tantalum dioxide 7%, rare earth oxide 1.5%.
In rare precious metal coating, iridium, ruthenium, tantalum element are respectively provided with extremely strong corrosion resistance, so that rare precious metal coating has good electric conductivity while possessing extremely strong corrosion resistance, it is ensured that being smoothed out of electrolysis.The application is 750 800An/m in cell current density2Time tank voltage be 3.8 4.2 volts, after being electrolysed out groove discharging, can directly enter groove and enter the electrolysis of next cycle, therefore production efficiency is high, and production cost is low.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal implementation result, can increase and decrease inessential technical characteristic according to actual needs, meet the needs of different situations.
Claims (6)
1. an energy-conserving and environment-protective positive plate, it includes crossbeam and battery lead plate, it is characterized in that: crossbeam uses titanium copper-clad structure, welding electrode plate under crossbeam, described battery lead plate is with pure titanium as substrate, scribbling rare precious metal coating at outer surface of substrate, described rare precious metal coating is made up of rare precious metal mixture and electroconductive resin.
2. energy-conserving and environment-protective positive plate as claimed in claim 1, it is characterised in that: the mass percentage content of rare precious metal mixture and electroconductive resin is: rare precious metal mixture 15 20%, electroconductive resin 80 85%.
3. energy-conserving and environment-protective positive plate as claimed in claim 2, it is characterised in that: described rare precious metal coating is made up of rare precious metal mixture and electroconductive resin, and its mass percentage content is: rare precious metal mixture 15%, electroconductive resin 85%.
4. energy-conserving and environment-protective positive plate as claimed in claim 2, it is characterised in that: described rare precious metal coating is made up of rare precious metal mixture and electroconductive resin, and its mass percentage content is: rare precious metal mixture 20%, electroconductive resin 80%.
5. energy-conserving and environment-protective positive plate as claimed in claim 2, it is characterized in that: described rare precious metal mixture is made up of iridium dioxide, ruthenic oxide, tantalum dioxide and rare earth oxide, its mass percentage content is: iridium dioxide 75 85%, ruthenic oxide 5 15%, tantalum dioxide 5 10%, rare earth oxide 0.8 1.5%.
6. energy-conserving and environment-protective positive plate as claimed in claim 2, it is characterized in that: described rare precious metal mixture is made up of iridium dioxide, ruthenic oxide, tantalum dioxide and rare earth oxide, its mass percentage content is: iridium dioxide 85%, ruthenic oxide 6.5%, tantalum dioxide 7%, rare earth oxide 1.5%.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108048865A (en) * | 2017-11-17 | 2018-05-18 | 江苏安凯特科技股份有限公司 | A kind of electrode and its preparation method and application |
| CN113428942A (en) * | 2021-06-07 | 2021-09-24 | 东莞市中瑞电极工业科技有限公司 | Noble metal low-temperature coating titanium electrode and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108048865A (en) * | 2017-11-17 | 2018-05-18 | 江苏安凯特科技股份有限公司 | A kind of electrode and its preparation method and application |
| CN108048865B (en) * | 2017-11-17 | 2020-04-28 | 江苏安凯特科技股份有限公司 | Electrode and preparation method and application thereof |
| CN113428942A (en) * | 2021-06-07 | 2021-09-24 | 东莞市中瑞电极工业科技有限公司 | Noble metal low-temperature coating titanium electrode and preparation method thereof |
| CN113428942B (en) * | 2021-06-07 | 2022-09-20 | 东莞市中瑞电极工业科技有限公司 | Noble metal low-temperature coating titanium electrode and preparation method thereof |
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Application publication date: 20170111 |