CN208933494U - A kind of electrolysis unit from low concentration cupric cyanide barren solution recycling copper and cyanide - Google Patents
A kind of electrolysis unit from low concentration cupric cyanide barren solution recycling copper and cyanide Download PDFInfo
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- CN208933494U CN208933494U CN201821760767.4U CN201821760767U CN208933494U CN 208933494 U CN208933494 U CN 208933494U CN 201821760767 U CN201821760767 U CN 201821760767U CN 208933494 U CN208933494 U CN 208933494U
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- cyanide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model relates to non-ferrous metallurgy field more particularly to a kind of electrolysis units from low concentration cupric cyanide barren solution recycling copper and cyanide.There are three anode plate and two cathode plates for the utility model setting, anode plate and cathode plate are cylinder-shaped battery plate, pass through the mutual cooperation between cylinder-shaped cathode-anode plate, multiple working spaces are formed between anode plate and cathode plate, increase the effective electrode area of yin-yang interpolar, cupric cyanide barren solution is after the abundant electrolysis in working space, copper ion in lean solution is electrolysed the metal simple-substance copper to be formed and is attached on cathode plate, after the completion of electrolysis, cathode sets are proposed from electrolysis unit, metallic copper can be obtained, and lean solution can then be returned directly to cyanidation technology reuse.The utility model is applicable not only to electrolysis low concentration cupric cyanide barren solution and recycles copper and cyanide therein, applies also for the electrolysis of other low concentration noble metal electrolyte, and can be effectively treated to cyanide-containing electroplating water.
Description
Technical field
The utility model relates to non-ferrous metallurgy fields, more particularly to one kind to recycle copper from low concentration cupric cyanide barren solution
With the electrolysis unit of cyanide.
Background technique
Currently, gold mainly uses Cyanide Process to produce, a large amount of de- golden lean solution can be generated in the technical process,
Cyanide and a certain amount of valuable metal element wherein containing severe toxicity, if direct emission can not only cause serious dirt to ecological environment
Dye, while also resulting in the waste of resource.Usual lean solution can be directly entered Grinding procedure or return to Cyanide Leaching process and continue cycling through,
But due to containing the metal ions such as copper, zinc in lean solution, these metal ions can act on cyanide and generate complex compound, especially
When lean solution is returned to Cyanide Leaching process, copper ion present in lean solution will increase Qing Mao, reduce the leaching velocity of gold, seriously
It influences to soak golden efficiency.
The utility model patent of Patent No. ZL 201410233711.3 discloses a kind of electro-deposition high-concentration copper-containing and contains
The method of cyanogen devil liquor recovery copper and cyanide, this method use plate electrode electrolysis unit, by electrolysis make copper from
Recycling metallic copper is precipitated in cathode in son, while effectively inhibiting cyanide in anodic oxidation by adding inhibitor, realizes cyanide
Effective recycling.But this method uses traditional plate electrode, is only applicable to processing high-concentration copper-containing cyanide bearing waste solution, institute
Can the waste water copper content of processing need to reach 5~50g/L, and industrial cyanide barren solution concentration is usually less than 2 g/L, content of copper ion compared with
Low, existing plate electrode cathodic work piece product is small, it is difficult to realize coming into full contact with for electrolyte and electrode, lead to current efficiency
It is relatively low.
Utility model content
(1) technical problems to be solved
It is not suitable for handling the low concentration cupric cyanide barren solution in actual production to solve conventional flat plate electrode and asks
Topic, realizes effective recycling of valuable metal element and cyanide in low concentration cyanide barren solution, the utility model provide it is a kind of from
The electrolysis unit of low concentration cupric cyanide barren solution recycling copper and cyanide.
(2) technical solution
In order to achieve the above object, the main technical schemes of the utility model use include:
The utility model provides a kind of electrolysis unit from low concentration cupric cyanide barren solution recycling copper and cyanide, including cylinder
Shape anode plate, cylindrical cathode plate and bottom plate, tubular anode plate, cylindrical cathode plate are arranged on bottom plate;
It is provided with multiple tubular anode plates on bottom plate, and is provided with a cylindrical cathode plate between two tubular anode plates;
Tubular anode plate and cylindrical cathode plate are coaxially socketed setting.
According to the utility model, tubular anode plate includes 3 electrode plates, respectively first anode plate, second plate plate and
Third anode plate, cylindrical cathode plate include 2 electrode plates, respectively the first cathode plate, the second cathode plate, tubular anode plate and cylinder
Shape cathode plate is spaced apart, and the first cathode plate is placed between first anode plate and second plate plate, and the second cathode plate is placed on
Between second plate plate and third anode plate.
According to the utility model, first anode plate and the first cathode plate form the first working space (100), the first cathode
Plate and second plate plate form the second working space, and second plate plate and third anode form third working space.
According to the utility model, the height of the second cathode plate is lower than the height of second plate plate.
According to the utility model, inlet is provided on bottom plate, inlet is connected to third working space.
According to the utility model, first anode plate side wall surface is provided with overflow port, and overflow port is connected to the first working space,
The height of overflow port and the height of the second cathode plate are consistent.
According to the utility model, communication port is provided on second plate plate, the second working space and third is connected in communication port
Working space, the height of communication port and the height of the second cathode plate are consistent, and communication port is oppositely arranged with overflow port.
According to the utility model, clear distance is 30-50mm between the first cathode plate and the second cathode plate.
Clear distance, second plate plate between first anode plate and second plate plate and the clear distance between third anode plate
Clear distance between the first cathode plate and the second cathode plate is identical.
According to the utility model, multiple insulation spacers are provided between the first cathode plate, the second cathode plate and bottom plate, it is more
A insulation spacer is evenly distributed on the circumference at each cylindrical cathode plate and bottom plate link position.
According to the utility model, tubular anode plate material is stainless steel plate, and cylindrical cathode plate matter is stainless steel plate, copper
Any one of plate, titanium plate, stereotype, iron plate, aluminium sheet.
(3) beneficial effect
The beneficial effects of the utility model are:
The utility model passes through the mutual cooperation between cylinder-shaped cathode-anode plate, forms multiple working spaces, can increase yin
Effective electrode area between anode;And electrolyte may be implemented by the setting of inlet, intercommunicating pore, overflow hole relative position
It is flowed successively through in three working spaces of setting, realizes that maximum contact does not form short circuit with electrode in flow process;
Cyanogen root will not be in anodic decomposition due to being suppressed the protection of agent in electrolytic process, and copper ion is then precipitated in cathode, is recycling
Effective recycling of cyanide is also achieved while metallic copper;After the completion of electrolytic process, it is only necessary to by cylindrical cathode plate from electricity
It proposes to can be obtained by metallic copper in solution device, it is easy to use.
The utility model is applicable not only to electrolysis low concentration cupric cyanide barren solution and recycles copper and cyanide therein, is also applicable in
In the electrolysis of low concentration noble metal electrolyte, the valuable element in lean solution can be effectively recycled, improves resource recovery, simultaneously
Free cyanide concentration is improved, waste liquid can directly return to cyanide circuit after processing, reduce the consumption of cyanide, useless to the plating containing cyanogen
Water is effectively treated.
Detailed description of the invention
Fig. 1 is the utility model schematic perspective view;
Fig. 2 is the utility model top view;
Fig. 3 is A-A direction schematic diagram in the utility model top view;
Fig. 4 is the anode unit schematic perspective view of the utility model.
[description of symbols]
10: the first anode;11: second plate;12: third anode;20: the first cathodes;21: the second cathodes;22: third yin
Pole;100: the first working spaces;110: the second work are empty;120: third working space;13: inlet;14: overflow port;15: stream
Port;16: bottom plate;41: the first insulation spacers;42: the second insulation spacers;43: third insulation spacer;44: the four insulation spacers;
45: the five insulation spacers;46: the six insulation spacers;47: the seven insulation spacers;48: the eight insulation spacers.
Specific embodiment
It is with reference to the accompanying drawing, right by specific embodiment in order to understand in order to preferably explain the utility model
The utility model is described in detail.
The utility model provides a kind of electrolysis unit from low concentration cupric cyanide barren solution recycling copper and cyanide, such as Fig. 1-
Shown in 3, the electrolysis unit that this electricity utility model is related to includes tubular anode plate, cylindrical cathode plate and bottom plate 16, is set on bottom plate 16
Multiple tubular anode plates are equipped with, and are provided with a cylindrical cathode plate between two tubular anode plates, tubular anode plate and tubular yin
Pole plate is coaxially socketed setting.
The tubular anode plate being arranged on bottom plate 16 includes 3 anode plates, respectively first anode plate 10, second plate
Plate 11 and third anode plate 12, cylindrical cathode plate include 2 cathode plates, respectively the first cathode plate 20, the second cathode plate 21, cylinder
Shape anode plate is spaced apart with cylindrical cathode plate: the first cathode plate 20 be placed on first anode plate 10 and second plate plate 11 it
Between, the second cathode plate 21 is placed between second plate plate 11 and third anode plate 12.
The height of second cathode plate 21 is lower than the height of second plate plate 11.
First anode plate 10 and the first cathode plate 20 form the first working space 100, the first cathode plate 20 and second plate
Plate 11 forms the second working space 110, and second plate plate 11 and third anode plate 12 form third working space 120.
The utility model is provided with inlet 13, overflow port 14 and communication port 15, wherein bottom plate 16 is arranged in inlet 13
On, the bottom of third working space 120 is arranged in position, is connected to third working space 120, can make cupric cyanating solution smoothly into
Enter inside electrolysis unit;The outside wall surface of first anode plate 10 is arranged in overflow port 14, is connected to the first working space 100, can incite somebody to action
The cyaniding waste liquid discharge electrolysis unit obtained after electrolysis;Communication port 15 is arranged on second plate plate 11, and the second work of conducting is empty
Between and third working space, wherein overflow port 14 is not only identical as 15 height of communication port, also on the second cathode plate 21 along put down
Together, the height with the second cathode plate 21 is consistent, wherein communication port 15 is oppositely arranged with overflow port 14.
Insulation spacer is provided between first cathode plate 20 and the second cathode plate 21 and bottom plate 16, insulation spacer includes first
Insulation spacer 41, the second insulation spacer 42, third insulation spacer 43, the 4th insulation spacer 44, the 5th insulation spacer the 45, the 6th are absolutely
Edge gasket 46, the 7th insulation spacer 47 and the 8th insulation spacer 48, the first insulation spacer 41, the second insulation spacer 42, third are exhausted
Edge gasket 43 and the 4th insulation spacer 44 are evenly distributed on the circumference at the first cathode plate 20 and 16 link position of bottom plate, the
Five insulation spacers 45, the 6th insulation spacer 46, the 7th insulation spacer 47 and the 8th insulation spacer 48 are evenly distributed on the second cathode
On circumference at plate 21 and 16 link position of bottom plate, the setting of insulation spacer effectively prevents tubular anode plate and cylindrical cathode plate
Between occur short circuit.
Insulation spacer can not only prevent that short circuit occurs between tubular anode plate and tubular yin-yang plate, also lift cylindrical cathode plate
Height makes to form gap between each cylindrical cathode plate and bottom plate 16, cupric cyanating solution is enabled to flow through from gap.
Distance is 30-50mm between first cathode plate 20 and the second cathode plate 21.
The distance between first anode plate 10 and second plate plate 11, second plate plate 11 and third anode plate 12 and first
Cathode plate 20 is identical as the distance between the second cathode plate 21.
The material of each anode plate is stainless steel plate in tubular anode plate, and the material of each cathode plate may be selected in cylindrical cathode plate
The materials such as stainless steel plate, copper sheet, titanium plate, stereotype, iron plate, aluminium sheet.
The course of work:
The yin, yang pole plate of electrolysis unit and the positive and negative anodes of power supply are electrically connected, the cupric cyanide barren solution that gold industry generates
It is pumped into third working space 120 from inlet 13, lean solution flows from bottom to top, is full of entire third working space 120, stream
Intercommunicating pore of the through-hole 15 as the second working space of connection 110 and third working space 120, when full of third working space 120
Lean solution reach the second cathode version 21 on along when, can from in the second cathode version 21 along the consistent recirculation hole 15 of height
Overflow, later from top to down be full of entire second working space 110, and then, lean solution from be arranged in cathode plate bottom by
Flowed out in the gap that multiple insulation spacers are formed with bottom plate 16, be full of entire first working space 100, finally, lean solution from liquid
The overflow hole 14 that face height is consistent flows out electrolysis unit.
In order to inhibit cyanide to be added to inhibitor in the oxygenolysis of anode, cyanide barren solution, inhibitor can be secondary
Phosphite, sulphite, thiosulfate.In cyanide barren solution, the oxidation of copper cyanogen complex ion is to cause cyanide consumption
The main reason for, and after inhibitor is added, due to the chemical reaction that the acid ion contained in inhibitor occurs, avoid copper cyanogen
The oxidation of complex ion, and then inhibit cyanogen root oxygenolysis.
When cupric cyanide barren solution is full of entire electrolysis unit, lean solution in third working space 120 is respectively the
It is electrolysed between two anode plates 11, third anode plate 12 and the second cathode plate 21, in electrolytic process, copper ion is constantly electrolysed
It is precipitated, is attached on the inside and outside wall surface of the second cathode plate 21;It is flowed into the second working space 110 from top to bottom by recirculation hole 15
Lean solution, be electrolysed between second plate plate 11 and the first cathode plate 20, the copper ion in lean solution is in the first cathode plate 20
Inner wall on constantly electrolysis be precipitated;And then, lean solution enters the first working space by the gap of the bottom of the first cathode plate 20
100, it is electrolysed between first anode plate 10 and the first cathode plate 20, the copper ion in lean solution is in the outer of the first cathode plate 20
Wall, which powers on, to be parsed.
After the abundant electrolysis in these three working spaces, copper ion in lean solution is electrolysed to be formed cupric cyanide barren solution
Metal simple-substance copper is attached on cathode plate, and the copper cyanogen complex ion in lean solution with copper ion complexing dissociates, and release is gone on a tour
From cyanogen root, so that the free cyanogen concentration in lean solution after electrolysis improves, after the completion of electrolysis, cathode sets are mentioned from electrolysis unit
Out, metallic copper can be obtained, and lean solution can then be returned directly to cyanidation technology reuse.
The utility model passes through the mutual cooperation between cylinder-shaped cathode-anode plate, forms multiple working spaces, increases anode and cathode
Effective electrode area between plate;And the inlet 13 by being arranged in electrolysis unit, communication port 15,14 three of overflow port
Relative position, realize electrolyte and flowed successively through in three working spaces, and insulation spacer is set, guarantee lean solution flowing
It can realize with electrode and contact to the greatest extent in the process, while not form short circuit.
The utility model is applicable not only to electrolysis low concentration cupric cyanide barren solution and recycles copper and cyanide therein, is also applicable in
In the electrolysis of other low concentration noble metal electrolyte, and cyanide-containing electroplating water can be effectively treated.
It is to be appreciated that the description to specific embodiment of the utility model progress is simply to illustrate that this is practical above
Novel technology path and feature, its object is to allow those skilled in the art that can understand the content of the utility model simultaneously
Implement accordingly, but the utility model is not limited to above-mentioned particular implementation.Anyone skilled in the art exists
In the technical scope that the utility model discloses, the variation and replacement that can readily occur in should all cover the protection model in the utility model
In enclosing.
Claims (10)
1. a kind of electrolysis unit from low concentration cupric cyanide barren solution recycling copper and cyanide, it is characterised in that:
Including tubular anode plate, cylindrical cathode plate and bottom plate (16), tubular anode plate, cylindrical cathode plate are arranged in bottom plate (16)
On;
Tubular anode plate is provided with multiple, and a cylindrical cathode plate is provided between every two tubular anode plate;
Tubular anode plate and cylindrical cathode plate are coaxially socketed setting.
2. electrolysis unit according to claim 1, it is characterised in that:
The tubular anode plate includes 3 electrode plates, respectively first anode plate (10), second plate plate (11) and third anode
Plate (12), the cylindrical cathode plate include 2 electrode plates, respectively the first cathode plate (20), the second cathode plate (21);
The tubular anode plate is spaced apart with the cylindrical cathode plate, and the first cathode plate (20) is placed on first anode plate (10)
Between second plate plate (11), the second cathode plate (21) is placed between second plate plate (11) and third anode plate (12).
3. electrolysis unit according to claim 2, it is characterised in that:
The first anode plate (10) and first cathode plate (20) form the first working space (100), first cathode
Plate (20) and the second plate plate (11) form the second working space (110), the second plate plate (11) and the third
Anode plate (12) forms third working space (120).
4. electrolysis unit according to claim 2, it is characterised in that:
The height of second cathode plate (21) is lower than the height of the second plate plate (11).
5. electrolysis unit according to claim 3, it is characterised in that:
It is provided with inlet (13) on the bottom plate (16), the inlet (13) is connected to the third working space (120).
6. electrolysis unit according to claim 3, it is characterised in that:
First anode plate (10) side wall surface is provided with overflow port (14), the overflow port (14) and first working space
(100) it is connected to, the height of the overflow port (14) and the height of second cathode plate (21) are consistent;
It is provided with communication port (15) on the second plate plate (11), the second working space (110) are connected in the communication port (15)
With third working space (120), the height of the communication port (15) and the height of second cathode plate (21) are consistent.
7. electrolysis unit according to claim 6, it is characterised in that:
The communication port (15) is oppositely arranged with the overflow port (14), is highly consistent.
8. electrolysis unit according to claim 2, it is characterised in that:
Clear distance is 30-50mm between first cathode plate (20) and second cathode plate (21);
Clear distance, the second plate plate (11) and institute between the first anode plate (10) and the second plate plate (11)
It states net between the clear distance and first cathode plate (20) and second cathode plate (21) between third anode plate (12)
Apart from identical.
9. electrolysis unit according to claim 2, it is characterised in that:
Multiple insulation spacers are provided between first cathode plate (20), second cathode plate (21) and bottom plate (16),
Multiple insulation spacers are evenly distributed on the circumference at each cylindrical cathode plate and bottom plate (16) link position.
10. -9 described in any item electrolysis units according to claim 1, it is characterised in that:
The tubular anode plate material be stainless steel plate, the cylindrical cathode plate matter be stainless steel plate, copper sheet, titanium plate, stereotype,
Any one of iron plate, aluminium sheet.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109097792A (en) * | 2018-10-29 | 2018-12-28 | 东北大学 | A kind of electrolysis unit from low concentration cupric cyanide barren solution recycling copper and cyanide |
CN110565120A (en) * | 2019-10-18 | 2019-12-13 | 东北大学 | Method for removing and recovering copper from copper-containing iron liquid |
CN115323402A (en) * | 2022-10-14 | 2022-11-11 | 山东蓝天消毒科技有限公司 | Production method and device of chlorine dioxide disinfectant |
-
2018
- 2018-10-29 CN CN201821760767.4U patent/CN208933494U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109097792A (en) * | 2018-10-29 | 2018-12-28 | 东北大学 | A kind of electrolysis unit from low concentration cupric cyanide barren solution recycling copper and cyanide |
CN110565120A (en) * | 2019-10-18 | 2019-12-13 | 东北大学 | Method for removing and recovering copper from copper-containing iron liquid |
CN110565120B (en) * | 2019-10-18 | 2021-09-07 | 东北大学 | Method for removing and recovering copper from copper-containing iron liquid |
CN115323402A (en) * | 2022-10-14 | 2022-11-11 | 山东蓝天消毒科技有限公司 | Production method and device of chlorine dioxide disinfectant |
CN115323402B (en) * | 2022-10-14 | 2023-02-03 | 山东蓝天消毒科技有限公司 | Method and device for producing chlorine dioxide disinfectant |
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