CN202865358U - Anode diaphragm electrolysis unit with high-current-density circulating current - Google Patents
Anode diaphragm electrolysis unit with high-current-density circulating current Download PDFInfo
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- CN202865358U CN202865358U CN201220489859.XU CN201220489859U CN202865358U CN 202865358 U CN202865358 U CN 202865358U CN 201220489859 U CN201220489859 U CN 201220489859U CN 202865358 U CN202865358 U CN 202865358U
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Abstract
The utility model relates to an anode diaphragm electrolysis unit with high-current-density circulating current. An anode frame is fixed on a fastening pull rod at the lower part, a diaphragm bag is sleeved outside the anode frame, an anode plate is fixed on the anode frame, an anode plate area is formed in the anode frame, a cathode plate is fixed on a cathode frame, a cathode plate area is formed outside the anode frame, a circulatory catholyte spraying device is mounted on the cell wall of an electrolytic cell on one side of the cathode area, and a circulatory catholyte returning device is mounted on the other side. The anode diaphragm electrolysis unit with high-current-density circulating current has the beneficial effects that the anode frame is sleeved in the diaphragm bag and on a current circulating device to increase the catholyte circulation flow and the metal cation migration speed and achieve high cathode current efficiency and high-quality cathode products in situation of high current density of the cathode, so that the production capacity of per electrolysis unit is obviously improved through greatly increasing the current density, and the production running cost is effectively reduced.
Description
Technical field
The utility model relates to a kind of diaphragm electrolysis apparatus, especially a kind of high current density cycling stream anode diaphragm electrolysis apparatus.
Background technology
At present, traditional diaphragm electrolysis apparatus is that anode and cathode is placed in the cell body of electrolytic solution sluggish flow, every negative electrode all places independently in the diaphragm bag, under the effect of electric field, negatively charged ion anode displacement, positively charged ion are to the negative electrode displacement, by controlling certain technical qualification, the metal target positively charged ion obtains electrolytic deposition at negative electrode and separates out, thereby obtains high-purity electrolytic production.Because electrode reaction speed often will be faster than the velocity of diffusion of ion, thereby has formed concentration polarization.In traditional Winning cell, concentration polarization just because of negative electrode, cause a small amount of foreign ion or hydrogen ion to separate out at negative electrode with the metal target ion, cause on the one hand cathode product quality to descend, cause on the other hand the cathode efficiency decrease, thereby increase energy consumption of unit product.Simultaneously, traditional Diaphragm Electrolysis Technology generally adopts cathode diaphragm bag to realize the uniflux of solution, and each cathode diaphragm bag is relatively independent, causes bag inner cathode liquid can't realize flow at high speed.Therefore, adopt traditional Diaphragm Electrolysis Technology to carry out purification or the electrolytic deposition of metal, in order to guarantee higher cathode efficiency and cathode product quality, its current density must be controlled in the lower scope, and electrolysis system is huge, the facility investment expense is high, production efficiency is low thereby cause.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, and a kind of high current density cycling stream anode diaphragm electrolysis apparatus simple in structure, that production capacity is higher is provided.
The utility model solves the technical scheme that its technical problem adopts: this high current density cycling stream anode diaphragm electrolysis apparatus, mainly comprise foster anode frame, negative electrode frame and fastening pull rod, anode frame is fixed on the fastening pull rod on top, the negative electrode frame is fixed on the fastening pull rod of bottom, the anode frame overcoat has diaphragm bag, be fixed with positive plate on the anode frame, form the positive plate district in the anode frame, be fixed with negative plate on the negative electrode frame, the outside of anode frame forms the negative plate district, the cell wall of one side in cathodic area is provided with catholyte circulation liquid-jet device, and opposite side is provided with catholyte and loops back liquid device.
Described catholyte circulation liquid-jet device is comprised of catholyte circulation liquid-inlet pipe and catholyte circulation mouth spray.
Described catholyte loops back liquid device and is comprised of catholyte circulation liquid returning tube and catholyte circulation liquid return hole.
The effect that the utility model is useful is: the utility model is enclosed within anode frame in the diaphragm bag and the cycling stream device, improved the catholyte circular flow, increase the travelling speed of metallic cation, thereby eliminate the negative electrode concentration polarization, realize cathode efficiency higher under the negative electrode high current densities and high-quality cathode product, to reach by increasing substantially current density, significantly increase the purpose of unit electrolyzer throughput, when realizing the investment of decrease electrorefining system, effectively reduce the production run expense.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cathodic area side structure schematic diagram.
Description of reference numerals: fastening pull rod 1, anode frame 2, diaphragm bag 3, positive plate district 4, negative plate district 5, catholyte circulation liquid returning tube 6, catholyte circulation liquid return hole 7, negative plate 8, positive plate 9, catholyte circulation mouth spray 10, catholyte circulation liquid-inlet pipe 11, negative electrode frame 12, anode sludge spoil disposal passage 13, end-plate 14, fastening press box 15, cushion block 16, anode sludge settling pocket 17, fitting nut 18.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in the figure, this high current density cycling stream anode diaphragm electrolysis apparatus, mainly comprise and support anode frame 2, negative electrode frame 12 and fastening pull rod 1, anode frame 2 is fixed on the fastening pull rod 1 on top, negative electrode frame 12 is fixed on the fastening pull rod 1 of bottom, and the two ends of fastening pull rod 1 are provided with end-plate 14, and is fixing by fitting nut 18, end-plate 14 is provided with fastening press box 15, and fastening pull rod 1 is provided with cushion block 16 with negative electrode frame 12 or anode frame 2 contact positions of end.Anode frame 2 overcoats have diaphragm bag 3, be fixed with positive plate 9 on the anode frame 2, anode frame 2 is provided with anode sludge spoil disposal passage 13, anode frame 2 bottoms are provided with anode sludge settling pocket 17, anode frame 2 interior formation positive plate districts 4, be fixed with negative plate 8 on the negative electrode frame 12, the outside of anode frame 2 forms negative plate district 5, be interconnected between the cathodic area 5, the cell wall of one side in cathodic area 5 is provided with catholyte circulation liquid-jet device, opposite side is provided with catholyte and loops back liquid device, catholyte circulation liquid-jet device is comprised of catholyte circulation liquid-inlet pipe 11 and catholyte circulation mouth spray 10, catholyte loops back liquid device and is comprised of catholyte circulation liquid returning tube 6 and catholyte circulation liquid return hole 7, the design of circulation device makes that catholyte carries out Rapid Circulation in the electrolyzer, realize the negative electrode rapid flow of solution on every side, the convection current rate of migration of metallic cation improves greatly, thereby the deficiency of remedy diffusion speed, reach the purpose that reduces the negative electrode concentration polarization, make cathode current density under the prerequisite that guarantees cathode product quality and cathode efficiency, can significantly promote.Finally reach under the constant prerequisite of electrolyzer specification, increase substantially the purpose of electrolysis production ability.
Implementation method 1
Nickel sulfate solution is adjusted pH to 3.0-3.5, heat to 70-75 ℃, add boric acid to 5-6g/L, this nickel sulfate solution flow in the electrolyzer certainly from header tank, after nickel sulfate solution is full of electrolyzer, open the catholyte self-circulating pump, make catholyte self-circulation in groove, and form cycling stream at every cathode surface.When catholyte self-circulation flow reaches 1500m
3/ Mt is promoted to 380A/m with cathode current density
2, electrolysis was taken out cathode product after 4 days, and its cathode efficiency reaches 96%, and single groove cathode product output is 230A/m than current density
2Shi Tigao 66%.
Nickel sulfate solution is adjusted pH to 3.0-3.5, heat to 70-75 ℃, add boric acid to 5-6g/L, this nickel sulfate solution flow in the electrolyzer certainly from header tank, after nickel sulfate solution is full of electrolyzer, open the catholyte self-circulating pump, make catholyte self-circulation in groove, and form cycling stream at every cathode surface.When catholyte self-circulation flow reaches 2000m
3/ Mt is promoted to 420A/m with cathode current density
2, electrolysis was taken out cathode product after 4 days, and its cathode efficiency reaches 95.8%, and single groove cathode product output is 230A/m than current density
2Shi Tigao 81.8%.
Implementation method 3
Nickel sulfate solution is adjusted pH to 3.0-3.5, heat to 70-75 ℃, add boric acid to 5-6g/L, this nickel sulfate solution flow in the electrolyzer certainly from header tank, after nickel sulfate solution is full of electrolyzer, open the catholyte self-circulating pump, make catholyte self-circulation in groove, and form cycling stream at every cathode surface.When catholyte self-circulation flow reaches 2300m
3/ Mt is promoted to 450A/m with cathode current density
2, electrolysis was taken out cathode product after 4 days, and its cathode efficiency reaches 95.6%, and single groove cathode product output is 230A/m than current density
2Shi Tigao 95%.
Nickel sulfate solution is adjusted pH to 3.0-3.5, heat to 70-75 ℃, add boric acid to 5-6g/L, this nickel sulfate solution flow in the electrolyzer certainly from header tank, after nickel sulfate solution is full of electrolyzer, open the catholyte self-circulating pump, make catholyte self-circulation in groove, and form cycling stream at every cathode surface.When catholyte self-circulation flow reaches 3000m
3/ Mt is promoted to 480A/m with cathode current density
2, electrolysis was taken out cathode product after 4 days, and its cathode efficiency reaches 96.1%, and single groove cathode product output is 230A/m than current density
2Shi Tigao 106%.
In the metal ion electrolyting precipitation process, by in electrolyzer, anode frame 2 being enclosed within the design of diaphragm bag 3, make each negative plate district 5 realization UNICOM in the electrolyzer, realize self-circulation in the negative electrode liquid bath, and increase the cycling stream shower nozzle at the side in negative plate district, make that catholyte carries out Rapid Circulation in the electrolyzer, realize the rapid flow of solution around the negative electrode, the catholyte circular flow reaches 150-3000m
3/ Mt, cathode current density is 350-600A/m
2Concentration of metal ions 35-70g/L in the electrolytic solution, cathode efficiency is greater than 95%, cathode product quality is not subjected to the impact of high current density, it is the modern technique of a cleaning, efficient, environmental protection, the electrolytic deposition that the method is applicable to the metals such as nickel, cobalt, copper, lead, zinc, gold and silver extracts and purification of metals
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (7)
1. high current density cycling stream anode diaphragm electrolysis apparatus, mainly comprise foster anode frame (2), negative electrode frame (12) and fastening pull rod (1), it is characterized in that: anode frame (2) is fixed on the fastening pull rod (1) on top, negative electrode frame (12) is fixed on the fastening pull rod (1) of bottom, anode frame (2) overcoat has diaphragm bag (3), be fixed with positive plate (9) on the anode frame (2), form positive plate district (4) in the anode frame (2), be fixed with negative plate (8) on the negative electrode frame (12), the outside of anode frame (2) forms negative plate district (5), the cell wall of one side in cathodic area (5) is provided with catholyte circulation liquid-jet device, and opposite side is provided with catholyte and loops back liquid device.
2. high current density cycling stream anode diaphragm electrolysis apparatus according to claim 1, it is characterized in that: the two ends of described fastening pull rod (1) are provided with end-plate (14), fixing by fitting nut (18), end-plate (14) is provided with fastening press box (15).
3. high current density cycling stream anode diaphragm electrolysis apparatus according to claim 1 and 2 is characterized in that: described fastening pull rod (1) is provided with cushion block (16) with negative electrode frame (12) or anode frame (2) contact position of end.
4. high current density cycling stream anode diaphragm electrolysis apparatus according to claim 1 is characterized in that: described catholyte circulation liquid-jet device is comprised of circulate liquid-inlet pipe (11) and catholyte circulation mouth spray (10) of catholyte.
5. high current density cycling stream anode diaphragm electrolysis apparatus according to claim 1 is characterized in that: described catholyte loops back liquid device and is comprised of circulate liquid returning tube (6) and catholyte circulation liquid return hole (7) of catholyte.
6. high current density cycling stream anode diaphragm electrolysis apparatus according to claim 1, it is characterized in that: described anode frame (2) is provided with anode sludge spoil disposal passage (13).
7. according to claim 1 or 6 described high current density cycling stream anode diaphragm electrolysis apparatus, it is characterized in that: described anode frame (2) bottom is provided with anode sludge settling pocket (17).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220489859.XU CN202865358U (en) | 2012-09-24 | 2012-09-24 | Anode diaphragm electrolysis unit with high-current-density circulating current |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220489859.XU CN202865358U (en) | 2012-09-24 | 2012-09-24 | Anode diaphragm electrolysis unit with high-current-density circulating current |
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| CN202865358U true CN202865358U (en) | 2013-04-10 |
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| CN201220489859.XU Expired - Lifetime CN202865358U (en) | 2012-09-24 | 2012-09-24 | Anode diaphragm electrolysis unit with high-current-density circulating current |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851709A (en) * | 2012-09-24 | 2013-01-02 | 杭州百斯特塑焊设备有限公司 | High current density circulating flow anode diaphragm electrolyzer |
| WO2014180268A1 (en) * | 2013-05-06 | 2014-11-13 | 阳谷祥光铜业有限公司 | Ultrahigh current density electrolysis or electro-deposition groove |
| CN104532293A (en) * | 2014-12-22 | 2015-04-22 | 无锡市瑞思科环保科技有限公司 | Method of purifying nickel from chemical nickel-plating waste liquid and nickel purification device |
| CN106180020A (en) * | 2016-08-31 | 2016-12-07 | 湘潭大众整流器制造有限公司 | One efficiently removes mud machine |
-
2012
- 2012-09-24 CN CN201220489859.XU patent/CN202865358U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851709A (en) * | 2012-09-24 | 2013-01-02 | 杭州百斯特塑焊设备有限公司 | High current density circulating flow anode diaphragm electrolyzer |
| CN102851709B (en) * | 2012-09-24 | 2016-12-21 | 杭州贝德环保工程有限公司 | A kind of high current density recycle stream anode diaphragm electrolysis apparatus |
| WO2014180268A1 (en) * | 2013-05-06 | 2014-11-13 | 阳谷祥光铜业有限公司 | Ultrahigh current density electrolysis or electro-deposition groove |
| CN104532293A (en) * | 2014-12-22 | 2015-04-22 | 无锡市瑞思科环保科技有限公司 | Method of purifying nickel from chemical nickel-plating waste liquid and nickel purification device |
| CN104532293B (en) * | 2014-12-22 | 2017-06-09 | 无锡市瑞思科环保科技有限公司 | The method of purifying nickel and nickel purifying plant in chemical nickel plating waste solution |
| CN106180020A (en) * | 2016-08-31 | 2016-12-07 | 湘潭大众整流器制造有限公司 | One efficiently removes mud machine |
| CN106180020B (en) * | 2016-08-31 | 2018-08-24 | 湘潭大众整流器制造有限公司 | One kind efficiently removing mud machine |
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| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150928 Address after: Hangzhou City, Zhejiang province 310004 city of Shaoxing Road No. 337, the modern building room 1115 Patentee after: HANGZHOU SANAL ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310004 city of Shaoxing Road No. 337, the modern building room 1115 Patentee before: HANGZHOU BEST PLASTIC WELDING EQUIPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
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| CX01 | Expiry of patent term |