CN204727967U - A kind of anion membrane turbulent flow electrowinning plant - Google Patents
A kind of anion membrane turbulent flow electrowinning plant Download PDFInfo
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- CN204727967U CN204727967U CN201520357060.9U CN201520357060U CN204727967U CN 204727967 U CN204727967 U CN 204727967U CN 201520357060 U CN201520357060 U CN 201520357060U CN 204727967 U CN204727967 U CN 204727967U
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Abstract
The utility model belongs to electrochemical field, particularly relates to a kind of anion membrane turbulent flow electrowinning plant.Comprise negative electrode cylindrical shell, negative electrode cylindrical shell is by being connected with upper connection cover pedestal and lower connection cover pedestal, anode lower end is through lower connection cover pedestal, negative electrode cylindrical shell, upper connection cover pedestal, lower connection cover pedestal and anode lower end form enclosed space jointly, separated by anion membrane in enclosed space and form anode and cathode compartment, anode and cathode compartment is respectively catholyte compartment and is positioned at the anolyte compartment of catholyte compartment inside, catholyte compartment and each self-contained opening of anolyte compartment, also comprise the starting sheet be close to for cationic deposition on negative electrode cylindrical shell.Beneficial effect: under the effect of anion membrane, electrolyte solution pH being changed to the metals such as comparatively responsive nickel cobalt can in the metastable situation of pH, be deposited on actual sheet more efficiently, obtain more excellent direct current effect, give full play to the advantage of turbulent flow Winning cell in current density and sedimentation effect.
Description
Technical field
The invention belongs to electrochemical field, particularly relate to a kind of anion membrane turbulent flow electrowinning plant.
Background technology
In hydrometallurgy process, electro-deposition techniques makes the technique end link being connected purification and end product, how can in higher current density, more complicated bath composition, acquisition negative electrode precipitating metal that is simple, efficient, environmental protection is that metallurgical technology worker constantly pursues always.
Panel assembly formula electrodeposition, parallel-flow electrodeposition, revolve technology theory such as (rapids) stream electrodeposition etc. and to move towards the industrialization from metallurgical test room just one by one productions, rapid (revolving) flows electrodeposition a kind of novel electro-deposition techniques just.To electrolyte solution pH change, it requires that little metal electrodeposition field obtains considerable application at metallic copper, zinc etc. in recent years, but when it is applied to the metal electrodeposition highstrung to pH value such as nickel, cobalt, himself is even more harsh than the galvanic deposit of conventional panels device to the requirement of solution.In view of this, reasonably design one and can overcome metal ion deposition process, simultaneously output acid can not the demand of diaphragm electrodeposition device of remarkably influenced pH value of solution change be arisen at the historic moment again.
Summary of the invention
The object of invention: in order to provide a kind of anion membrane turbulent flow electrowinning plant of better effects if, specific purposes are shown in multiple substantial technological effects of concrete implementation section.
In order to reach as above object, the present invention takes following technical scheme:
A kind of anion membrane turbulent flow electrowinning plant, it is characterized in that, comprise negative electrode cylindrical shell, negative electrode cylindrical shell is by being connected with upper connection cover pedestal and lower connection cover pedestal, anode lower end is through lower connection cover pedestal, negative electrode cylindrical shell, upper connection cover pedestal, lower connection cover pedestal and anode lower end form enclosed space jointly, separated by anion membrane in enclosed space and form anode and cathode compartment, anode and cathode compartment is respectively catholyte compartment and is positioned at the anolyte compartment of catholyte compartment inside, catholyte compartment and each self-contained opening of anolyte compartment, also comprise the starting sheet be close to for cationic deposition on negative electrode cylindrical shell.
The further technical scheme of the utility model is, described catholyte compartment has the cathode compartment leakage fluid dram being positioned at top and the cathode compartment fluid inlet being positioned at below; Described anolyte compartment comprises the anolyte compartment's leakage fluid dram being positioned at top and the anolyte compartment's fluid inlet being positioned at below.
The further technical scheme of the utility model is, described anode is anode posts, and anode posts is positioned at negative electrode body centre and is arranged in parallel with tubular axis.
The further technical scheme of the utility model is, be fixed on upper connection cover pedestal by anode locating bar 2 above described anode posts, anode locating bar is non-conductive locating bar.
The further technical scheme of the utility model is, described starting sheet is fastened on the inwall of negative electrode cylindrical shell by clamping plate insulation strip 6.
The further technical scheme of the utility model is, described upper connection cover pedestal and lower connection cover pedestal connect relative with negative electrode cylindrical shell fixing by sealing member and bolt.
The further technical scheme of the utility model is, described sealing member is butyronitrile seal washer.
Adopt the utility model of as above technical scheme, following beneficial effect is had: under the effect of anion membrane relative to prior art, electrolyte solution pH being changed to the metals such as comparatively responsive nickel cobalt can in the metastable situation of pH, be deposited on actual sheet more efficiently, obtain more excellent direct current effect, give full play to the advantage of turbulent flow Winning cell in current density and sedimentation effect.The application of above utility model device, the electrodeposition process of turbulent flow cell process nickel cobalt ion is enable to be greater than 15g/L at cation concn, solution temperature is not achieved higher than when 50 DEG C, has widened the Application Areas that turbulent flow electrodeposition is applied to electrodeposition process.
Accompanying drawing explanation
In order to further illustrate the present invention, be described further below in conjunction with accompanying drawing:
Fig. 1 is structural representation of the present utility model;
Wherein: 1, top cover, 2, anode locating bar, 3, cathode compartment leakage fluid dram, 4, upper connection cover pedestal, 5, fastening bolt holes, 6, clamping plate insulation strip, 7, negative electrode cylindrical shell, 8, starting sheet, 9, catholyte compartment, 10, anion membrane, 11, anolyte compartment, 12, anode, 13, fastening bolt holes, 14, lower connection cover pedestal, 15, cathode compartment fluid inlet, 16, bottom, 17, anode holding bolt, 18, anolyte compartment's leakage fluid dram, 19, anolyte compartment's fluid inlet.
Embodiment
Be described embodiments of the invention below in conjunction with accompanying drawing, embodiment is not construed as limiting the invention:
A kind of anion membrane turbulent flow electrowinning plant, it is characterized in that, comprise negative electrode cylindrical shell, negative electrode cylindrical shell is by being connected with upper connection cover pedestal and lower connection cover pedestal, anode lower end is through lower connection cover pedestal, negative electrode cylindrical shell, upper connection cover pedestal, lower connection cover pedestal and anode lower end form enclosed space jointly, separated by anion membrane in enclosed space and form anode and cathode compartment, anode and cathode compartment is respectively catholyte compartment and is positioned at the anolyte compartment of catholyte compartment inside, catholyte compartment and each self-contained opening of anolyte compartment, also comprise the starting sheet be close to for cationic deposition on negative electrode cylindrical shell.The technique effect of the essence that the technical scheme at this place plays and implementation procedure thereof are as follows: when this anion membrane turbulent flow Winning cell runs, and the meta-alkalescence relieving anode liquid being full of sluggish flow in anolyte compartment is as with NaOH, Na
2cO
3, Na
2sO
4the basic solution of mixed preparing, is full of containing Ni in catholyte compartment
2+ion or Co
2+the electrolyte solution of ion.Under the promotion of solution driving pump, anode buffer liquid sluggish flow discharge anolyte compartment and return to fluid inlet go round and begin again under the effect of driving pump in anolyte compartment; Negative electrode metal ion solution in cathode compartment close to the tangential speed being even greater than 2m/s at a high speed circulation go round and begin again entering cathode compartment via bottom liquid inlet mouth again after discharging from top.After anode and cathode adds voltage, under the indoor electric field action of pole, the OH of anolyte compartment
-anode discharges precipitated oxygen, and the metallic cation of cathode compartment discharges and is deposited on negative electrode on starting sheet, and under the adjustment of anion membrane, the ionogen pH of cathode compartment changes reduction, meets the responsive cationic electrodeposition process of the pH such as nickel cobalt and is able to high-efficient operation.
As implementation structure more specifically, as shown in Figure 1, negative electrode cylindrical shell is negative electrode stainless steel cylinder, the upper connection cover pedestal 4 be fixedly connected with sealing member bolt and cylindrical shell and lower connection cover pedestal 14, cathode compartment fluid inlet 15 on lower connecting base and anolyte compartment's fluid inlet 19, be positioned at the anode 12 that negative electrode body centre is axially parallel with negative electrode cylindrical shell, upper end provides the non-conductive backstay of location for anode cylinders, i.e. anode locating bar, lower end is positioned at anode fastening piece fastening with anode lower thread under lower cover, and between anode and cathode, isolated anode and cathode compartment only provides HO
-the anion membrane that radical ion permeates by change in concentration between room, the two poles of the earth, be close to the starting sheet that at the bottom of negative electrode bucket, inwall is made up of jointly clamping plate insulation strip, close the upper cover of whole cylindrical shell, close the lower cover of whole cylindrical shell, the positively charged ion compartment formed after being separated inner barrel space by anion membrane and negatively charged ion compartment.
During this plant running, anion electrolyte solution and anolyte, under the driving of respective transferpump, are entered in the two compartments formed by anion membrane and anode and cathode respectively by respective fluid inlet.In anolyte compartment containing OH
-electrolyte solution flows comparatively slowly, OH under the effect of electric field
-lose electronics and become oxygen evolution and the H that output is quantitative in anolyte compartment
+; In cathode compartment, the electrolyte solution of metal ion flows in limited anode chamber at a high speed from the tangential direction of cylinder, and spiral, the metallic cation wherein comprised under the effect of electric field constantly arranges H on starting sheet
+be deposited as negative electrode precipitating metal; Under the effect of anion membrane, the H produced in anolyte compartment
+can not cathode compartment be diffused to, both ensure that the carrying out of the anode chamber and the cathode chamber electrochemical reaction, the constant again pH of cathode compartment electrolyte solution.
The further technical scheme of the utility model is, described catholyte compartment has the cathode compartment leakage fluid dram being positioned at top and the cathode compartment fluid inlet being positioned at below; Described anolyte compartment comprises the anolyte compartment's leakage fluid dram being positioned at top and the anolyte compartment's fluid inlet being positioned at below.
Described anode is anode posts, and anode posts is positioned at negative electrode body centre and is arranged in parallel with tubular axis.The anode bottom of this device, in order to ensure anode cylinders and negative electrode cylindrical shell absolute parallel, be provided with pressure ring and external screw-thread is fastening changes; Anode top is provided with anode vertically orient pin, anode vertically orient pin and the anode locating bar 2 of the deep enough upper cover of energy.Be fixed on upper connection cover pedestal by anode locating bar 2 above described anode posts, anode locating bar 2 is non-conductive locating bar.
The further technical scheme of the utility model is, described upper connection cover pedestal and lower connection cover pedestal connect relative with negative electrode cylindrical shell fixing by sealing member and bolt.
Described sealing member is butyronitrile seal washer.That is, the place such as anode and lower cover contact position, upper and lower covers of this device is in order to ensure that electrolyte solution not evaporating, emitting, dripping or leaking of liquid or gas is all provided with nitrile rubber and seals.
The upper lower connecting base of this device has two each one of import and export being respectively anolyte compartment and the setting of cathode compartment leach liquor.
In a creative way, each effect above independently exists, and can also complete the combination of the above results with a nested structure.
It is clear that the technique effect that above structure realizes realizes, if do not consider the technical scheme of adding, this patent title can also be a kind of electrolytic arrangement.Not shown part details.
It should be noted that, multiple schemes that this patent provides comprise general planning own, separate, mutually do not restrict, but it also can combine when not conflicting mutually, reaching multiple effect and jointly realizing.
As non-essential expansion, described starting sheet is fastened on the inwall of negative electrode cylindrical shell by clamping plate insulation strip 6.The starting sheet of this device has installed the insulation strip of back-buckling type for the ease of the taking-up of negative electrode precipitating metal on top, be similar to the fitting strip of board slot electrodeposition, can eliminate in starting sheet top edge electrodeposition process and grow dross, again can when cathode deposit takes out for extractor provides left-hand thread stress point.
more than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.Those skilled in the art should understand the present invention and not be restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (7)
1. an anion membrane turbulent flow electrowinning plant, it is characterized in that, comprise negative electrode cylindrical shell, negative electrode cylindrical shell is by being connected with upper connection cover pedestal and lower connection cover pedestal, anode lower end is through lower connection cover pedestal, negative electrode cylindrical shell, upper connection cover pedestal, lower connection cover pedestal and anode lower end form enclosed space jointly, separated by anion membrane in enclosed space and form anode and cathode compartment, anode and cathode compartment is respectively catholyte compartment and is positioned at the anolyte compartment of catholyte compartment inside, catholyte compartment and each self-contained opening of anolyte compartment, also comprise the starting sheet be close to for cationic deposition on negative electrode cylindrical shell.
2. a kind of anion membrane turbulent flow electrowinning plant as claimed in claim 1, is characterized in that, described catholyte compartment has the cathode compartment leakage fluid dram being positioned at top and the cathode compartment fluid inlet being positioned at below; Described anolyte compartment comprises the anolyte compartment's leakage fluid dram being positioned at top and the anolyte compartment's fluid inlet being positioned at below.
3. a kind of anion membrane turbulent flow electrowinning plant as claimed in claim 1, it is characterized in that, described anode is anode posts, and anode posts is positioned at negative electrode body centre and is arranged in parallel with tubular axis.
4. a kind of anion membrane turbulent flow electrowinning plant as claimed in claim 3, is characterized in that, be fixed on connection cover pedestal by anode locating bar (2) above described anode posts, anode locating bar (2) is non-conductive locating bar.
5. a kind of anion membrane turbulent flow electrowinning plant as claimed in claim 3, it is characterized in that, described starting sheet is fastened on the inwall of negative electrode cylindrical shell by clamping plate insulation strip (6).
6. a kind of anion membrane turbulent flow electrowinning plant as claimed in claim 1, is characterized in that, described upper connection cover pedestal and lower connection cover pedestal connect relative with negative electrode cylindrical shell fixing by sealing member and bolt.
7. a kind of anion membrane turbulent flow electrowinning plant as claimed in claim 6, it is characterized in that, described sealing member is butyronitrile seal washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357060.9U CN204727967U (en) | 2015-05-29 | 2015-05-29 | A kind of anion membrane turbulent flow electrowinning plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357060.9U CN204727967U (en) | 2015-05-29 | 2015-05-29 | A kind of anion membrane turbulent flow electrowinning plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204727967U true CN204727967U (en) | 2015-10-28 |
Family
ID=54386330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520357060.9U Active CN204727967U (en) | 2015-05-29 | 2015-05-29 | A kind of anion membrane turbulent flow electrowinning plant |
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| Country | Link |
|---|---|
| CN (1) | CN204727967U (en) |
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2015
- 2015-05-29 CN CN201520357060.9U patent/CN204727967U/en active Active
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