CN105200460A - Adjustable compound electrode - Google Patents
Adjustable compound electrode Download PDFInfo
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- CN105200460A CN105200460A CN201510664479.3A CN201510664479A CN105200460A CN 105200460 A CN105200460 A CN 105200460A CN 201510664479 A CN201510664479 A CN 201510664479A CN 105200460 A CN105200460 A CN 105200460A
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Abstract
The invention relates to the technical field of electrochemistry, in particular to an adjustable compound electrode. The adjustable compound electrode disclosed in the invention comprises one or more conductive posts, a plurality of conductive crossbeams and a plurality of electrode plates, wherein the conductive crossbeams are arranged on the conductive posts in a slidable manner; the electrode plates are arranged on the conductive crossbeams, and form the compound electrode through seamless butting. The compound electrode is flexible to use, high in utilization ratio, low in running cost and wide in application range, and has the advantages that various electrodes with different electrochemical properties can be combined together to achieve a property complementation effect, the application requirements in several special electrochemistry fields can be met, and the problems which cannot be solved by a single electrode or the problem of low efficiency can be solved.
Description
Technical field
The invention belongs to technical field of electrochemistry, relate to a kind of adjustable composite electrode particularly.
Background technology
The extraction of non-ferrous metal is national important mainstay industry.Wet method electrolysis (galvanic deposit) is one of the main method and future thrust that non-ferrous metal extracts field.Electrode is the critical material in wet method electrolysis (galvanic deposit), is referred to as " heart " of electrochemical system.Therefore, the selection of electrode materials and preparation are a difficult problem of wet method electrolysis industry and electrochemical industry and the important topic competitively studied always.The current insoluble anode material for hydrometallurgy is mainly based on lead 2-base alloy electrode (abbreviation lead electrode) and ti-based coating electrode (abbreviation Ti electrode).
The electrode slice area of wet method electrolysis is all very large, generally more than 0.5 square metre.In use, often there is cathode anode contact short circuit, and cause positive contact point position to be lost efficacy; Or the problem such as preferentially to lose efficacy in the distribution of current uneven place causing current density high.Such as, as in Zinc electrolysis process, alloy lead anode lower end easily contacts with the anode sludge of bottom land and causes short circuit, and therefore the edge of electrode anode and lower end can be corroded fast.In order to ensure the homogeneity of cathodic current in production, need these anode changes to fall.But in fact its more than 70% area of these anodes be replaced or intact.In other words, the effective rate of utilization of electrode is about 30%.This is for manufacturing enterprise, the wasting of resources great beyond doubt.If the annode area of residue 70% can be fully utilized, a large amount of costs will be saved for enterprise.
Electrochemical method is disposed of sewage the important means becoming and dispose of sewage at present.Such as at wastewater containing phenol, the fields such as electrochemical treatment such as dyeing waste water, researchist attempted various electrode materials.The performance of electrode materials is core, and single electrode materials performance is not very desirable.Because Different electrodes is because of the difference of chemical property, different to the mechanism of degradation of dirty water pollutant when disposing of sewage.Therefore, the electrode materials being necessary the integrated different performance of exploitation energy, utilizes the performance advantage between each electrode materials complementary, works the novel electrode reaching rapid sewage treating.
Summary of the invention
The object of the invention is that running cost is low, the adjustable composite electrode electrode of multiple different chemical property can combined simultaneously in order to solve the problem and to provide a kind of electrode utilization ratio high.
For this reason, the invention discloses a kind of adjustable composite electrode, comprise at least one conductive pole, some Conductive beam and some electrode slices, described Conductive beam is slidably disposed on described conductive pole, described electrode slice is arranged on described Conductive beam, and described some electrode slices consist of a compound electrode slitless connection.
Further, also comprise current conducting rod, described conductive pole one end is fixed on current conducting rod.
Further, described Conductive beam is parallel to each other.
Further, described conductive pole is provided with equally spaced first screw along its length, described Conductive beam is provided with equally spaced second screw adapting to the first screw along its length, described electrode slice is provided with the 3rd screw adapting to the second screw, described Conductive beam is vertically fixed on described conductive pole by bolt through the first screw and the second screw, and described electrode slice is fixed on Conductive beam through the second screw and the 3rd screw by bolt.
Further, described bolt is made up of metal titanium, tantalum, niobium or their alloy material.
Further, described bolt is made of plastics.
Further, described electrode slice is rectangular electrode sheet.
Further, the size of described electrode slice is all identical or part is identical or all different.
Further, the material of described electrode slice is all identical or part is identical or all different.
Further, described current conducting rod, conductive pole and Conductive beam are made up of metal titanium, tantalum, niobium or their alloy material.
Advantageous Effects of the present invention:
1. can the spacing of free adjustment two Conductive beam, meet the installation of the electrode slice of different size, can the size of the free adjustment total area, meet the requirement of different application occasion to electrode area, use flexibly, be widely used.
2. the electrode of multiple different chemical property can be combined simultaneously, reach performance complement effect, meet the application requiring of some particular electrical chemical field, solve unitary electrode and be difficult to the problems such as solution or inefficiency.
3., when a certain electrode slice partial decomposition or when losing efficacy, it can be changed separately.The inefficacy portion of the old electrode changed can be reduced, obtain the less electrode slice that may continue to use, thus improve electrode utilization ratio, reduce running cost.
Accompanying drawing explanation
Fig. 1 is the current conducting rod of the embodiment of the present invention, conductive pole and Conductive beam wiring layout;
Fig. 2 is the Conductive beam structure iron of the embodiment of the present invention;
Fig. 3 is the structure iron of the embodiment of the present invention.
Embodiment
Now the present invention is further described with embodiment by reference to the accompanying drawings.
As shown in Figure 1 to Figure 3, a kind of adjustable composite electrode, comprise at least one conductive pole 2, some Conductive beam 4 and some electrode slices 6, Conductive beam 4 is slidably disposed on conductive pole 2, electrode slice 6 is arranged on Conductive beam 4, and described some electrode slices 6 consist of a compound electrode slitless connection.
Further, also comprise current conducting rod 1, conductive pole 2 one end is fixed on current conducting rod 1.
In this specific embodiment, the quantity of current conducting rod 1 is 1, the quantity of conductive pole 2 is 2, the quantity of Conductive beam 4 is 4, current conducting rod 1, conductive pole 2 and Conductive beam 4 are by metal titanium, tantalum, niobium or their alloy material are made, conductive pole 2 one end is vertically fixed on current conducting rod 1, 2 conductive poles 2 are parallel to each other (certainly, in other embodiments, also can be not parallel), conductive pole 2 is provided with equally spaced first screw 3 along its length, Conductive beam 4 is provided with equally spaced second screw 5 adapting to the first screw 3 along its length, Conductive beam 4 is vertically set on conductive pole 2 by bolt 8 through the first screw 3 and the second screw 5, Conductive beam 4 is parallel to each other (certainly, in other embodiments also can be not parallel, as long as with electrode slice 6 shape adaptation just can), the spacing of adjacent two Conductive beam 4 can free adjustment, can be adjusted to all different or all identical or part is identical or.The shape of electrode slice 6 is rectangle (convenient manufacture, certainly in other embodiments, also can be can other shape, as trilateral or trapezoidal etc. is convenient to the shape of mutually carrying out slitless connection), its size can be all identical or part is identical or all different, and material can be all identical or part is identical or all different.Electrode slice 6 is provided with the 3rd screw 7 adapting to the second screw 5, and electrode slice 4 is fixed on through the second screw 5 and the 3rd screw 7 compound electrode that on Conductive beam 4, composition one is large by bolt 8.
Concrete, described bolt 8 is made up of metal titanium, tantalum, niobium or their alloy material, can conduct electricity, and serves as the conduction connector between electrode slice 6 and Conductive beam 4, then electrode slice 6 and Conductive beam 4 are without the need to must good contact.Bolt 8 also can be made of plastics, good corrosion resistance, and cost is low, but can not conduct electricity due to it, so electrode slice 6 must good contact with Conductive beam 4.
Certainly, in other embodiments, be slidably disposed on conductive pole 2 to realize Conductive beam 4, first screw 3 of conductive pole 2 can change the first chute arranged along conductive pole 2 length direction into, and the second screw 5 on Conductive beam 4 can change the second chute along Conductive beam 4 length direction into.
Embodiment 1
In laboratory conditions, adopt the electrode square piece that the pb-ag alloy material of 30 pieces of same sizes (10cm × 5cm) is made, the compound electrode of composition big area (50cm × 30cm).Carry out electrowinning zinc experiment.Electrolyte is zinc sulphate electrolyte system.Current density is 500A/m
2, electrolyte temperature controls at 37 ± 2 DEG C, adopts the zinc ion concentration in circulating feeding liquid mode BES.The electrodeposition cycle is 8 hours.The failure conditions of electrode block is checked every two weeks.Occur the electrode block of partial decomposition, is taken out, cutting corrosion removal part, the little electrode slice of cutting is again installed and is continued to use, while make up with brand-new electrode slice the area that cutting goes.Record the area of the corrosion target of at every turn cutting out; The area of the brand-new electrode slice of anode change.When the area summation of the brand-new electrode slice changed equals the total area (50cm × 30cm) of combined anode, be considered as losing efficacy.
Under identical electrode zink rod part, electrowinning zinc experiment is carried out to traditional full wafer electrode (50cm × 30cm).When electrode slice corroded area reaches more than 20%, the impact of anticathode current flow uniformity aggravates gradually, and comparatively large by the thickness difference testing the zinc of cathodic deposition, in electrolytic solution, plumbum ion concentration sharply raises, and when electrode area has 25% to corrode, can not normally produce.Now will be considered as anode to lose efficacy.
Contrast two arrays of electrodes from the weight of rolled tin of producing to timeliness.The rolled tin weight that result surface adopts compound electrode to produce is 2.51 times of traditional full wafer electrode.Namely adopting compound electrode to produce ton zinc cost is 40% of traditional full wafer anode.To produce the electric zinc enterprise calculation of 10,000 tons per year, anode cost 1,800,000 can be saved.
Embodiment 2
In laboratory conditions, different size (20cm × 5cm is adopted; 15cm × 5cm; 10cm × 5cm; Each 6 pieces of 5cm × 5cm specification) the rectangular electrode sheet made of pb-ag alloy material, the compound electrode of composition big area (50cm × 30cm), carries out electrowinning zinc experiment.Electrolyte is zinc sulphate electrolyte system.Current density is 500A/m
2, electrolyte temperature controls at 37 ± 2 DEG C, adopts the zinc ion concentration in circulating feeding liquid mode BES.The electrodeposition cycle is 8 hours.The failure conditions of electrode block is checked every two weeks.Occur the electrode block of partial decomposition, is taken out, cutting corrosion removal part, the little electrode slice of cutting is again installed and is continued to use, while make up with brand-new electrode slice the area that cutting goes.Record the area of the corrosion target of at every turn cutting out; The area of the brand-new electrode slice of anode change.When the area summation of the brand-new electrode slice changed equals the total area (50cm × 30cm) of combined anode, be considered as losing efficacy.
Under identical electrode zink rod part, electrowinning zinc experiment is carried out to traditional full wafer electrode (50cm × 30cm).When electrode slice corroded area reaches more than 20%, the impact of anticathode current flow uniformity aggravates gradually, and comparatively large by the thickness difference testing the zinc of cathodic deposition, in electrolytic solution, plumbum ion concentration sharply raises, and when electrode area has 25% to corrode, can not normally produce.Now will be considered as anode to lose efficacy.
Contrast two arrays of electrodes from the weight of rolled tin of producing to timeliness.The rolled tin weight that result surface adopts compound electrode to produce is 2.8 times of traditional full wafer electrode.Namely adopting compound electrode to produce ton zinc cost is 35.7% of traditional full wafer anode.To produce the electric zinc enterprise calculation of 10,000 tons per year, anode cost 1,920,000 can be saved.
Adopt the big area compound electrode of the electrode composition of part different size simultaneously by contrast, better effect can be obtained.This mainly because broad-area electrode sheet carries out cutting after partial failure, still can obtain the rectangle square piece of larger area, and can be cut into the electrode slice of size specification according to actual needs, and therefore utilization ratio improves.But adopt the electrode slice of same size also to have advantage, i.e. standardized production rectangular electrode sheet, relatively simple in the production of electrode, it is also relatively convenient that neutralization electrode is changed.
Embodiment 3
Carried out three groups of electrodes in dyeing waste water electrolysis process process experiment, dyeing waste water comes certain from textile mills.
First group of electrode: adopt compound electrode.Installed the electrode that two kinds of differing materials are made, one analyses chlorine type Ni―Ti anode (Ti/RuO
2-TiO
2), one analyses oxygen type Ni―Ti anode (IrO
2-Ta
2o
5).The area ratio of two kinds of anodes is 1:1.Adopt the rectangular electrode block of same size (5cm × 5cm), analyse chlorine type and analyse each 6 pieces of oxygen type anode, adopt mode alternately to form compound electrode that area is 30cm × 20cm.
Second group of electrode: what adopt traditional full wafer (30cm × 20cm) analyses chlorine type electrode (Ti/RuO
2-TiO
2electrode)
3rd group of electrode: oxygen type of the analysing electrode (IrO adopting traditional full wafer (30cm × 20cm)
2-Ta
2o
5electrode)
Electrolytic condition is identical as follows: anodic current density 300A/m
2, in dyeing waste water, add the NaCl of 5g/L.Negative electrode is stainless steel.Cathode and anode spacing is 3cm.
Adopt first group of anode, decolorizing printing and dyeing waste water shortest time is 45min, be secondly second group is 60 minutes, and the 3rd group the longest is 79 minutes.This result illustrates and adopts compound electrode to obtain best effect.Its principle is: adopt compound electrode when carrying out dyeing waste water electrolysis, and analyse chlorine type anode and lower analyse chlorine overpotential, easy electrolysis production clorox because having, clorox can by total for dyeing waste water part dye oxidation, generation colorless substance; And analyse the Sauerstoffatom that oxygen type anode can produce status nascendi, can be oxidized the dyestuff that those clorox are difficult to be oxidized, analyse oxygen type anode has higher overpotential simultaneously, and partial organic substances can at anode surface direct-reduction under high overpotential.The two supplements mutually, therefore, it is possible to presentation goes out best effect.
Therefore, in sewage disposal, in same compound electrode, the electrode materials that many group performances are different can be installed, utilize the performance advantage between each electrode materials complementary, play the effect of efficient process waste water.Such as will containing RuO
2analyse chloride electrode, with the alloy lead anode of high overpotential, Graphite Electrodes, and titanium base plumbous oxide coated electrode etc. is integrated on same compound electrode, according to Application Areas, adjusts the area ratio etc. between different anode targetedly.Reach the effect of rapid sewage treating.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (10)
1. an adjustable composite electrode, it is characterized in that: comprise at least one conductive pole, some Conductive beam and some electrode slices, described Conductive beam is slidably disposed on described conductive pole, described electrode slice is arranged on described Conductive beam, and described some electrode slices consist of a compound electrode slitless connection.
2. adjustable composite electrode according to claim 1, is characterized in that: also comprise current conducting rod, and described conductive pole one end is fixed on current conducting rod.
3. adjustable composite electrode according to claim 1 and 2, is characterized in that: described Conductive beam is parallel to each other.
4. adjustable composite electrode according to claim 3, it is characterized in that: described conductive pole is provided with equally spaced first screw along its length, described Conductive beam is provided with equally spaced second screw adapting to the first screw along its length, described electrode slice is provided with the 3rd screw adapting to the second screw, described Conductive beam is vertically fixed on described conductive pole by bolt through the first screw and the second screw, and described electrode slice is fixed on Conductive beam through the second screw and the 3rd screw by bolt.
5. adjustable composite electrode according to claim 4, is characterized in that: described bolt is made up of metal titanium, tantalum, niobium or their alloy material.
6. adjustable composite electrode according to claim 4, is characterized in that: described bolt is made of plastics.
7. adjustable composite electrode according to claim 1, is characterized in that: described electrode slice is rectangular electrode sheet.
8. adjustable composite electrode according to claim 1, is characterized in that: the size of described electrode slice is all identical or part is identical or all different.
9. adjustable composite electrode according to claim 1, is characterized in that: the material of described electrode slice is all identical or part is identical or all different.
10. adjustable composite electrode according to claim 1, is characterized in that: described current conducting rod, conductive pole and Conductive beam are made up of metal titanium, tantalum, niobium or their alloy material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664479.3A CN105200460A (en) | 2015-10-15 | 2015-10-15 | Adjustable compound electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664479.3A CN105200460A (en) | 2015-10-15 | 2015-10-15 | Adjustable compound electrode |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847466A (en) * | 2005-04-12 | 2006-10-18 | 恩通公司 | Insoluble anode |
| CN203333803U (en) * | 2013-07-12 | 2013-12-11 | 苏州宝联重工股份有限公司 | Adjustable insoluble anode device |
| CN104060298A (en) * | 2014-06-27 | 2014-09-24 | 中国铝业股份有限公司 | Ceramic alloy inert anode with equipotential plane and preparation method thereof |
| CN204111886U (en) * | 2014-09-10 | 2015-01-21 | 阳谷祥光铜业有限公司 | A kind of insoluble anode plate |
| CN205035475U (en) * | 2015-10-15 | 2016-02-17 | 厦门理工学院 | Combination electrode with adjustable |
-
2015
- 2015-10-15 CN CN201510664479.3A patent/CN105200460A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847466A (en) * | 2005-04-12 | 2006-10-18 | 恩通公司 | Insoluble anode |
| CN203333803U (en) * | 2013-07-12 | 2013-12-11 | 苏州宝联重工股份有限公司 | Adjustable insoluble anode device |
| CN104060298A (en) * | 2014-06-27 | 2014-09-24 | 中国铝业股份有限公司 | Ceramic alloy inert anode with equipotential plane and preparation method thereof |
| CN204111886U (en) * | 2014-09-10 | 2015-01-21 | 阳谷祥光铜业有限公司 | A kind of insoluble anode plate |
| CN205035475U (en) * | 2015-10-15 | 2016-02-17 | 厦门理工学院 | Combination electrode with adjustable |
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