CN103409772B - A kind of circulating system device of closed frame electro deposited nickel or electrodeposited cobalt electrolyte - Google Patents
A kind of circulating system device of closed frame electro deposited nickel or electrodeposited cobalt electrolyte Download PDFInfo
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- CN103409772B CN103409772B CN201310350540.8A CN201310350540A CN103409772B CN 103409772 B CN103409772 B CN 103409772B CN 201310350540 A CN201310350540 A CN 201310350540A CN 103409772 B CN103409772 B CN 103409772B
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Abstract
The present invention relates to the electrolytic deposition equipment in chemical technology field, the circulating system device of specially a kind of closed frame electro deposited nickel or electrodeposited cobalt electrolyte.The device is provided with negative electrode frame and anode frame in Winning cell first, permeable membrane is set between negative electrode frame and anode frame, filling electrolyte in Winning cell, electrolyte flows into negative electrode frame with the electrolyte entrance set on negative electrode frame, then anode frame is entered from permeable membrane in the case of certain pressure, anolyte after electrolysis flow to after the liquid in the branch pipe of connection, branch pipe is confluxed to anode hydrorrhea head piece through the outlet of anode frame lower end and discharges Winning cell.Change tradition and rely on diaphragm frame and diaphragm case, greatly shorten the same die opening in Winning cell, improve groove utilization rate.Power consumption is low, has saved production cost.Negative electrode and anode need not be hung out every time by Winning cell by manual labor, diaphragm bag need not be also enclosed on diaphragm frame using labour, save labour.
Description
Technical field
The present invention relates to the electrolytic deposition equipment in chemical technology field, specially a kind of closed frame electro deposited nickel or electrodeposition
The circulating system device of cobalt electrolyte.
Background technology
Diaphragm electrodeposition structure is used in traditional electro deposited nickel or the device of electrodeposited cobalt, diaphragm electrodeposition structure has two kinds, one
It is to make cathode sheath in cathode chamber diaphragm bag to plant, and the negative electrode in electrolytic cell need to be seated in diaphragm bag, and diaphragm bag has barrier film to be used
Frame is supported, and so diaphragm frame is placed in Winning cell, the space in groove will necessarily be occupied, makes same die opening must be in 120-
On 130mm, another barrier film is to make anode jacket in anode chamber's diaphragm bag, and same reason will necessarily make same die opening
Very big, groove utilization rate declines, and is exactly that tank voltage is larger with big the brought consequence of die opening, and electric energy consumption is high, and groove usage factor is low.
Due in electrolytic deposition process, to consume a considerable amount of diaphragm bags and diaphragm frame, and the difficulty of increase hoisting process, increase workman
Labor intensity.Cost is generally increased.
As a result of diaphragm bag, so uniform effluent, traditional electrowinning plant are difficult to for the acid mist that anode is produced
It is directly amorphous to the acid mist that is produced in electrolytic deposition process to be discharged into operating space, have a strong impact on environment.Or on Winning cell
Increase gas skirt, so need to sling gas skirt when minus plate is put into, and the sealing effectiveness of gas skirt is also bad, such as
Fruit seals very good, and the water droplet of generation can be dropped onto in electrolyte, influences amount of electrolyte.So traditional electrowinning plant also has a lot
Drawback, need to improve.
The content of the invention
The present invention is based on above technical problem and saves labour there is provided one kind, saves production cost, greatly shortens
Same die opening, saves power consumption, improves yield, a kind of closed frame electrodeposition of recycling is also carried out to the acid mist that anode is produced
The circulating system device of nickel or electrodeposited cobalt electrolyte.
The technical scheme is that：
A kind of circulating system device of closed frame electro deposited nickel or electrodeposited cobalt electrolyte, including Winning cell cell body, be arranged on
Positive plate is placed in anode frame and negative electrode frame in Winning cell, anode frame, negative electrode inframe places minus plate, in negative electrode frame and anode
Filling electrolyte in permeable membrane, Winning cell is set between frame, and electrolyte is cloudy as the electrolyte entrance set on negative electrode frame is flowed into
Pole frame, then enters anode frame, the size of pressure is the liquid level in anode frame and the moon in the case of certain pressure from permeable membrane
The pressure caused by liquid level difference between the liquid level of pole inframe, the anolyte after electrolysis flow to connection through the outlet of anode frame lower end
Branch pipe.The liquid in branch pipe is carried out afterwards to converge into after house steward, Winning cell is discharged to anode hydrorrhea head piece, used herein of pipeline
For U-tube road.
Winning cell is connected with head tank, and the electrolyte in head tank is entered in Winning cell by feed flow house steward, feed flow house steward
It is higher than the house steward that anolyte is discharged.The electrolyte in head tank can be so set at the uniform velocity to enter Winning cell, and oozing in permeable membrane
Under thoroughly, at the uniform velocity enter in anode frame and carry out electrodeposition, due to the certain feelings of the difference in height of feed flow house steward and the house steward of anolyte discharge
Under condition, it is ensured that electrolytic deposition process is at the uniform velocity carried out, the steady quality of electrolytic nickel, because Winning cell inner cathode frame is closed structure,
Solution ph in negative electrode frame is stable so that the current efficiency of the present apparatus is high.
Described certain pressure refers between the liquid level of the electrolyte in the liquid level and anode frame of the electrolyte of negative electrode inframe
The pressure formed by liquid level difference, its liquid level difference is 15-25 ㎜.
Using the present apparatus, it is 70-130 ㎜ that can make the die opening between anode frame and negative electrode frame, and such die opening can
To improve groove utilization rate.
Anolyte after electrolysis flow to Lower tank by the pipeline connected with anolyte overfall, and it is heavy that segment anode liquid pump enters
Nickel groove, then adds nickelous carbonate to heavy nickel groove, finally send flame filter press to be filtered, another part is by pulling back to inward
Head tank, then added into head tank after pure nickel sulfate solution into Winning cell.
The flow direction of electro deposited nickel or electrodeposited cobalt electrolyte, by inlet tube toward loading electrolyte, electrolyte in Winning cell
As the electrolyte entrance set on negative electrode frame flows into negative electrode frame, electrolyte entrance can have multiple, and the shape of entrance is not also solid
Fixed, being higher than due to the liquid level of negative electrode inframe between the liquid level in anode frame, two frames has liquid level difference, and liquid level difference is 15-25 ㎜,
In the case where there is pressure, electrolyte at the uniform velocity enters anode frame by permeable membrane, and the anolyte after electrolysis flows out from anolyte outlet
To the pipeline of connection, anolyte is carried out to converge into anolyte overfall.
Permeable membrane is corrosion resistant woven dacron, permeable membrane, preferably, the permeable membrane selected is woven dacron, its model
3751.The selection of permeable membrane is more crucial, such as permeable membrane poor permeability, then can influence the speed of electrodeposition, if permeability is very good,
Electrolyte enters anode frame quickly, it is impossible to keeps liquid level poor, does not also reach electrodeposition effect.
The quantity of Winning cell inner cathode frame and anode frame is determined according to the length of Winning cell, but remains anode frame ratio
The quantity of negative electrode frame is more one, that is to say, that the quantity of negative electrode frame is at least 1, and the quantity of anode frame is at least 2.
Die opening between anode frame and negative electrode frame is 70-130mm；The size of die opening is very crucial, and die opening is bigger, electricity
Consumption is bigger, and die opening is smaller, and power consumption is just small, but is due to the limitation of working condition, and the die opening that the present apparatus can reach is
70-130 mm.Anolyte after electrolysis flow to Lower tank by the pipeline connected with anolyte overfall, and segment anode liquid pump enters
Heavy nickel groove, then adds nickelous carbonate inward to heavy nickel groove, generates nickel sulfate（NiSO4）And H2O and CO2↑, finally send plate-frame filtering
Machine is filtered, and another part anolyte is by pulling back to head tank, then to add into head tank pure nickel sulfate solution laggard
Enter Winning cell.The concentration of pure nickel sulfate solution is 80~90g/l.
Because the same die opening of the present apparatus is greatly reduced, so, the electric nickel or electric cobalt product produced using the present apparatus,
Not only conform with more than GB/T6516-2010Ni9996, more than YS/T255-2009Co9995 standard, power consumption also significantly under
Drop.
Compared with prior art, beneficial effects of the present invention are：
（One）, changed tradition by diaphragm frame come the situation for separating anode and cathode, greatly shorten Winning cell
Interior same die opening, improves groove utilization rate.
（Two）, power consumption it is low, saved production cost.
（Three）, without negative electrode and anode are hung out into Winning cell every time by manual labor, without use of labor by
Diaphragm bag is enclosed on diaphragm frame, saves labour.
（Four）, anode chamber's electrolyte inside conflux through pipeline after enter anolyte overfall, it is after treatment, pure being mixed into
The paramount position groove of electrolysis liquid pump, you can enter back into Winning cell.
（Five）, change that the acid mist produced in old electrowinning plant for electrolytic deposition process is directly amorphous to discharge the ring that causes
The severe situation in border.
Brief description of the drawings
Fig. 1 is the structural representation of traditional Winning cell inner cathode area and anode region；
Fig. 2 is electrolyte circulation system schematic device in the present invention；
Wherein, 1 --- head tank, 2 --- electrolytic cell, 3 --- Lower tank, 4 --- readjustment tank, 5 --- heavy nickel groove,
6 --- --- --- --- diaphragm bag, 14 --- cathodic region, 15 --- anode regions of permeable membrane, 13 of anode frame, 8 of negative electrode frame, 7.
Embodiment
The present invention is further described in detail with reference to embodiment, the embodiment provided is not intended to limit
The scope of the present invention, the present invention expands to any new feature disclosed in this manual or any new combination.
Comparative example 1：
As shown in figure 1, the negative electrode in traditional electrolytic cell need to be seated in diaphragm bag, diaphragm bag diaphragm frame system
Into, the space in groove is occupied, therefore must be in more than 120-130mm, according to external test data, same die opening with die opening
Shorten 30mm, 23% can be increased respectively by original each anode electrolytic cell cathode sheets number, electrolysis die opening shortens, and tank voltage declines
0.5v, power supply consumption decline 310%, existing cell construction, tank voltage is generally in more than 4.0V, and electric energy consumption is high, and groove profit
It is also low with coefficient.
Embodiment 1：
As shown in Fig. 2 the circulating system device of electro deposited nickel or electrodeposited cobalt electrolyte, is provided with 34 in Winning cell first
Negative electrode frame and 35 anode frames, the spacing between anode and negative electrode is 100mm, and model is set between negative electrode frame and anode frame
3751 permeable membrane, positive plate is put into anode frame, and minus plate is put into negative electrode frame, and electrolyte entrance is set on negative electrode frame,
Anolyte outlet is set in the lower end of anode frame, acid mist outlet is set in the upper end of anode frame, in the other end of Winning cell
Head tank catholyte import is set, and anode frame is that the acid mist produced in closed structure, anode frame is unified by acid mist outlet
Discharge and be collected, the acid mist after collection is uniformly carried out exhausting processing.
The flow direction of electro deposited nickel or electrodeposited cobalt electrolyte, by branch pipe toward loading electrolyte in Winning cell, electrolyte with
The electrolyte entrance set on negative electrode frame and flow into negative electrode frame, electrolyte entrance can have multiple, due to the liquid level of negative electrode inframe
Higher than the liquid level in anode frame, there is liquid level difference, liquid level difference is 25mm, and electrolyte is even in the case where there is pressure between two frames
Speed enters anode frame by permeable membrane, and the anolyte after electrolysis flows out to the pipeline of connection from anolyte outlet, and anolyte is entered
Row converges into anolyte overfall.
Embodiment 2：
Apparatus structure uses the structure in embodiment 1, and the quantity for only changing the negative electrode frame in each Winning cell is 48, sun
The quantity of pole frame is 49, and the anode-cathode distance between negative electrode frame and anode frame is 70mm.
Embodiment 3：
Apparatus structure uses the structure in embodiment 1, and the quantity for only changing the negative electrode frame in each Winning cell is 85, sun
The quantity of pole frame is 86, and the anode-cathode distance between negative electrode frame and anode frame is 40mm.
Comparative example 1：
It is 26 that the negative electrode number in traditional electrowinning plant, every groove is used in same device, and die opening is 130mm, measurement
Go out different die opening electrodeposition result of the tests, and the tank voltage in experimental result, electricity effect and power consumption are analyzed：
In same Winning cell, as seen from the above table, die opening is smaller, and its tank voltage is lower, and its electricity effect is higher, and power consumption is got over
It is low, therefore, using the present apparatus, production cost can be saved.
With existing 188 electrolytic cells, 1 year 330 days working day calculated, then electrolytic nickel energy production capacity situation is as follows：
Embodiment 3：
Using the device in embodiment 1, electrodeposition experiment is done to different permeable membranes, experimental result is as follows：
As can be seen from the above table, the woven dacron of model 3751 is best suitable for making permeable membrane, it can make the liquid level of negative electrode inframe with
Liquid level difference in anode frame is maintained at 15-25mm, has certain pressure to make to penetrate into anode chamber in cathode chamber, and corrosion-resistant, has
Sufficient intensity, is hardly damaged, it is adaptable to large-scale production, and influences small to tank voltage.
Claims (2)
1. the circulating system device of a kind of closed frame electro deposited nickel or electrodeposited cobalt electrolyte, including Winning cell cell body, it is arranged on electricity
Anode frame and negative electrode frame in product groove, it is characterised in that：Winning cell is connected with head tank, and the electrolyte in head tank passes through feed flow
House steward enters in Winning cell, and negative electrode frame and anode frame are provided with Winning cell, and infiltration is set between negative electrode frame and anode frame
In film, Winning cell after filling electrolyte, electrolyte flows into negative electrode frame with the electrolyte entrance set on negative electrode frame, then one
Enter anode frame from permeable membrane in the case of constant-pressure, the anolyte after electrolysis exports the branch for flowing to connection through anode frame lower end
Pipe, is then carried out the liquid in branch pipe converge into anode hydrorrhea head piece discharge Winning cell after house steward, feed flow house steward compares anode
The house steward of liquid discharge is high, and described certain pressure refers to the liquid level of the electrolyte in the liquid level of electrolyte and anode frame of negative electrode inframe
Between the pressure that is formed of liquid level difference, the same die opening that liquid level difference is maintained in 15-25 ㎜, described Winning cell is 70-
130㎜。
2. the circulating system device of closed frame electro deposited nickel according to claim 1 or electrodeposited cobalt electrolyte, its feature exists
In：Described converges into the liquid progress in branch pipe after anolyte overfall, then discharges Winning cell through pipeline, used herein of
Pipeline is U-tube road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310350540.8A CN103409772B (en) | 2013-08-13 | 2013-08-13 | A kind of circulating system device of closed frame electro deposited nickel or electrodeposited cobalt electrolyte |
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| CN201310350540.8A CN103409772B (en) | 2013-08-13 | 2013-08-13 | A kind of circulating system device of closed frame electro deposited nickel or electrodeposited cobalt electrolyte |
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| CN103409772A CN103409772A (en) | 2013-11-27 |
| CN103409772B true CN103409772B (en) | 2017-07-21 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820821B (en) * | 2014-02-28 | 2016-08-24 | 金川集团股份有限公司 | A kind of liquid level regulation device for electrolytic nickel cell |
| CN106894060A (en) * | 2017-03-17 | 2017-06-27 | 中科京投环境科技江苏有限公司 | A kind of closed metallurgical electrolysis device |
| JP6778286B2 (en) * | 2019-01-21 | 2020-10-28 | デノラ・ペルメレック株式会社 | Chamber frame element, electrolytic cell and electrodialysis tank |
| CN112981511B (en) * | 2021-02-05 | 2023-11-10 | 范文学 | Anode system with high current efficiency |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB416527A (en) * | 1933-06-22 | 1934-09-17 | Francis Lawrence Bosqui | Improvements in the production of cobalt |
| US4030989A (en) * | 1976-05-11 | 1977-06-21 | Anglonor S. A. | Electrowinning process |
| JPH05209998A (en) * | 1991-10-02 | 1993-08-20 | Westinghouse Electric Corp <We> | Extraction method of technetium from radioactive polluted metal |
| CN1186875A (en) * | 1996-12-29 | 1998-07-08 | 中南工业大学 | Method and device for on-line control of organic additive in electrolytic deposition process of metal |
| CN101532095A (en) * | 2009-04-01 | 2009-09-16 | 烟台凯实工业有限公司 | Method for producing electrodeposited cobalt by non-hydrochloric acid electrolyte |
| CN101914784A (en) * | 2010-08-30 | 2010-12-15 | 江苏凯力克钴业股份有限公司 | Electrodeposited cobalt production method |
| CN201801606U (en) * | 2010-09-30 | 2011-04-20 | 新疆新鑫矿业股份有限公司阜康冶炼厂 | Diaphragm type electrolytic tank of electro-deposited nickel |
-
2013
- 2013-08-13 CN CN201310350540.8A patent/CN103409772B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB416527A (en) * | 1933-06-22 | 1934-09-17 | Francis Lawrence Bosqui | Improvements in the production of cobalt |
| US4030989A (en) * | 1976-05-11 | 1977-06-21 | Anglonor S. A. | Electrowinning process |
| JPH05209998A (en) * | 1991-10-02 | 1993-08-20 | Westinghouse Electric Corp <We> | Extraction method of technetium from radioactive polluted metal |
| CN1186875A (en) * | 1996-12-29 | 1998-07-08 | 中南工业大学 | Method and device for on-line control of organic additive in electrolytic deposition process of metal |
| CN101532095A (en) * | 2009-04-01 | 2009-09-16 | 烟台凯实工业有限公司 | Method for producing electrodeposited cobalt by non-hydrochloric acid electrolyte |
| CN101914784A (en) * | 2010-08-30 | 2010-12-15 | 江苏凯力克钴业股份有限公司 | Electrodeposited cobalt production method |
| CN201801606U (en) * | 2010-09-30 | 2011-04-20 | 新疆新鑫矿业股份有限公司阜康冶炼厂 | Diaphragm type electrolytic tank of electro-deposited nickel |
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