CN210529005U - Nickel recovery system in nickel-containing waste liquid - Google Patents
Nickel recovery system in nickel-containing waste liquid Download PDFInfo
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- CN210529005U CN210529005U CN201921367827.0U CN201921367827U CN210529005U CN 210529005 U CN210529005 U CN 210529005U CN 201921367827 U CN201921367827 U CN 201921367827U CN 210529005 U CN210529005 U CN 210529005U
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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
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- 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 discloses a nickel recovery system in nickeliferous waste liquid. Nickel recovery system in the nickel-containing waste liquid includes: a nickel-containing waste liquid collecting barrel; the resin adsorption tank is used for containing nickel-absorbing resin, and an inlet of the resin adsorption tank is communicated with the nickel-containing waste liquid collecting barrel; the inlet of the waste liquid storage barrel is communicated with the outlet of the resin adsorption tank; the backwashing barrel is used for containing an acid solution and is communicated with an inlet of the resin adsorption tank; and the inlet of the electrolytic cell is communicated with the outlet of the resin adsorption tank. The technical scheme of the utility model can effectively reduce the processing cost, realize the recycle of resource simultaneously.
Description
Technical Field
The utility model relates to a nickeliferous waste liquid operation technical field, in particular to nickel recovery system in nickeliferous waste liquid.
Background
A large amount of nickel-containing waste liquid is often generated at the cleaning section of production lines of electroplated nickel, chemical nickel plating and the like in the PCB and electroplating industries. At present, the nickel-containing waste liquid is usually operated by acid-base neutralization pressure mud, but the nickel-containing mud generated after neutralization pressure filtration is determined as a solid dangerous object, a company or a mechanism which operates the qualification of the solid dangerous object needs to be entrusted to carry out paid operation, so the treatment cost is greatly improved; and the metal nickel can not be recycled, which causes resource waste.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a nickel recovery system in nickeliferous waste liquid aims at effectively reducing the treatment cost, realizes the recycle of resource simultaneously.
In order to achieve the above object, the utility model provides a nickel recovery system in nickeliferous waste liquid, include: a nickel-containing waste liquid collecting barrel; the resin adsorption tank is used for containing nickel-absorbing resin, and an inlet of the resin adsorption tank is communicated with the nickel-containing waste liquid collecting barrel; the inlet of the waste liquid storage barrel is communicated with the outlet of the resin adsorption tank; the backwashing barrel is used for containing an acid solution and is communicated with an inlet of the resin adsorption tank; and the inlet of the electrolytic cell is communicated with the outlet of the resin adsorption tank.
Optionally, the resin adsorption tank is provided with a plurality of, a plurality of resin adsorption tank sets up in series, nickeliferous waste liquid collecting vessel with the backwash bucket all communicates in the import of first resin adsorption tank, the electrolysis trough with the waste liquid storage bucket all communicates in the export of last resin adsorption tank.
Optionally, the outlet of the electrolytic cell is communicated with the inlet of the resin adsorption tank.
Optionally, a pipeline of the nickel-containing waste liquid collecting barrel and the resin adsorption tank is provided with a flowmeter for controlling the flow of the nickel-containing waste liquid introduced into the resin adsorption tank.
Optionally, a flow meter is arranged on a pipeline of the backwashing barrel communicated with the resin adsorption tank, and is used for controlling the flow of the acid solution introduced into the resin adsorption tank.
Optionally, the electrolytic cell comprises a cell body, an anode, a cathode, and a diaphragm, the anode, the cathode, and the diaphragm all disposed within the cell body, the diaphragm dividing the cell body into an anode chamber and a cathode chamber, the anode received within the anode chamber and the cathode received within the cathode chamber.
Optionally, the anode is a lead electrode, a titanium electrode, or a graphite electrode, and the cathode is a stainless steel plate or a nickel plate.
Optionally, a transit tank is further disposed between the resin adsorption tank and the electrolytic cell, an inlet of the transit tank is communicated with an outlet of the resin adsorption tank, and an outlet of the transit tank is communicated with an inlet of the electrolytic cell.
Optionally, the system for recovering nickel from the nickel-containing waste liquid further comprises a circulation tank, an inlet of the circulation tank is communicated with an outlet of the electrolytic tank, and an outlet of the circulation tank is communicated with an inlet of the resin adsorption tank and used for containing the electrolyzed solution.
Optionally, a flow meter is arranged on a pipeline of the circulation tank communicated with the resin adsorption tank, and is used for controlling the flow of the electrolyzed solution introduced into the resin adsorption tank.
The technical scheme of the utility model, nickel recovery system includes in the nickeliferous waste liquid: nickeliferous waste liquid collecting vessel, resin adsorption tank, waste liquid storage bucket, backwash bucket and electrolysis trough, nickeliferous waste liquid collecting vessel and backwash bucket all communicate in the import of resin adsorption tank through the pipeline, and waste liquid storage vessel and electrolysis trough all communicate in the export of resin adsorption tank through the pipeline, and the resin adsorption tank is used for the holding to inhale nickel resin, and the backwash bucket is for holding acid solution. According to the arrangement, when the nickel-containing waste liquid is recycled, firstly, the nickel-containing waste liquid in the nickel-containing waste liquid collecting barrel is introduced into the resin adsorption tank, the nickel-containing waste liquid entering the resin adsorption tank is subjected to adsorption operation by using nickel-absorbing resin, so that nickel ions in the nickel-containing waste liquid are adsorbed into the nickel-absorbing resin, and the adsorbed waste liquid is conveyed into the waste liquid storage barrel; and then conveying the acid solution in the backwashing barrel to a resin adsorption tank to remove nickel ions in the resin into the acid solution to obtain the nickel-containing acid solution. And finally, conveying the nickel-containing acid solution into an electrolytic bath for electrolysis operation, and depositing to obtain the metal nickel with higher purity. This nickel recovery system in nickeliferous waste liquid can make the treatment cost of nickeliferous waste liquid reduce by a wide margin, and can not produce secondary pollution, simultaneously, can also realize changing waste into valuables, realizes the recycle of metal nickel. And, the utility model discloses nickel recovery system degree of automation is high in the nickeliferous waste liquid, and area is little.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an embodiment of a system for recovering nickel from a nickel waste solution according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Nickel recovery system in nickel-containing |
43 | |
| 10 | Nickel-containing waste |
44 | |
| 20 | |
50 | Waste |
| 30 | |
60 | |
| 40 | |
70 | |
| 41 | Trough |
80 | |
| 42 | Diaphragm |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is noted that, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically defined otherwise.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a nickel recovery system 100 in nickeliferous waste liquid for handle nickeliferous waste liquid.
Referring to fig. 1, in an embodiment of the present invention, a system 100 for recovering nickel from a nickel-containing waste liquid includes: a nickel-containing waste liquid collecting barrel 10; the resin adsorption tank 20 is used for containing nickel-absorbing resin, and an inlet of the resin adsorption tank 20 is communicated with the nickel-containing waste liquid collecting barrel 10; a waste liquid storage barrel 50, an inlet of the waste liquid storage barrel 50 is communicated with an outlet of the resin adsorption tank 20; a backwashing barrel 30, wherein the backwashing barrel 30 is used for containing acid solution and is communicated with the inlet of the resin adsorption tank 20; and an electrolytic bath 40, wherein the inlet of the electrolytic bath 40 is communicated with the outlet of the resin adsorption tank 20.
Specifically, the nickel-containing waste liquid collecting barrel 10 is used for collecting nickel-containing waste liquid, and the resin adsorption tank 20 contains nickel-absorbing resin, wherein the nickel-absorbing resin can be styrene type macroporous cation resin or iminodiacetic acid type macroporous chelate resin and is used for adsorbing nickel ions in the nickel-containing waste liquid; the backwashing barrel 30 is filled with an acid solution, and the acid solution is a sulfuric acid solution with the mass fraction of 5% -10%. When carrying out recovery processing to nickeliferous waste liquid, the nickeliferous waste liquid that will nickeliferous waste liquid collecting vessel 10 passes through in pump and the pipe-line transportation to resin adsorption tank 20, the nickeliferous waste liquid that gets into in the resin adsorption tank 20 adopts and inhales the nickel resin and carries out the adsorption operation, in adsorbing the nickel ion in the nickeliferous waste liquid to inhaling the nickel resin, and pass through pump and pipe-line transportation to waste liquid storage bucket 50 with the waste liquid after adsorbing in, reach a certain amount after discharge to sewage treatment station 80 and carry out unified processing. At this time, nickel ions are contained in the resin adsorption tank 20, and the acid solution in the backwash barrel 30 is conveyed into the resin adsorption tank 20 to remove the nickel ions in the resin into the acid solution, so as to obtain the nickel-containing acid solution. Finally, the nickeliferous acid solution is conveyed into the electrolytic bath 40 through a pump and a pipeline for electrolysis operation, and the metal nickel with higher purity can be obtained through deposition.
It should be noted that, adopt the utility model discloses nickel recovery system carries out recovery processing to nickeliferous waste liquid in the nickeliferous waste liquid, and it is higher to obtain metal nickel purity, and up to more than 99.9%, and the quality is better.
Therefore, it can be understood that, the technical solution of the present invention, the nickel recovery system 100 in the nickel-containing waste liquid includes: nickeliferous waste liquid collecting vessel 10, resin adsorption tank 20, waste liquid storage bucket 50, backwash bucket 30 and electrolysis trough 40, nickeliferous waste liquid collecting vessel 10 and backwash bucket 30 all communicate in the import of resin adsorption tank 20 through the pipeline, and waste liquid storage bucket 50 and electrolysis trough 40 all communicate in the export of resin adsorption tank 20 through the pipeline, and nickel resin is inhaled for the holding to resin adsorption tank 20, and backwash bucket 30 is used for holding acid solution. With the arrangement, when the nickel-containing waste liquid is recycled, firstly, the nickel-containing waste liquid in the nickel-containing waste liquid collecting barrel 10 is introduced into the resin adsorption tank 20, the nickel-containing waste liquid entering the resin adsorption tank 20 is subjected to adsorption operation by using nickel-absorbing resin, so that nickel ions in the nickel-containing waste liquid are adsorbed into the nickel-absorbing resin, and the adsorbed waste liquid is conveyed into the waste liquid storage barrel 50; the acid solution in the backwash bucket 30 is then transferred to the resin adsorption tank 20 to remove nickel ions from the resin into the acid solution, thereby obtaining a nickel-containing acid solution. Finally, the nickeliferous acid solution is conveyed into an electrolytic bath 40 for electrolysis operation, and the metal nickel with higher purity can be obtained through deposition. This nickel recovery system 100 in nickeliferous waste liquid can make the treatment cost of nickeliferous waste liquid reduce by a wide margin, and can not produce secondary pollution, simultaneously, can also realize changing waste into valuables, realizes the recycle of metal nickel. And, the utility model discloses nickel recovery system 100 degree of automation is high in the nickeliferous waste liquid, and area is little.
Further, resin adsorption tank 20 is provided with a plurality ofly, and a plurality of resin adsorption tank 20 establish ties and set up, and nickeliferous waste liquid collecting vessel 10 and backwash bucket 30 all communicate in the import of first resin adsorption tank 20, and electrolysis trough 40 and waste liquid storage bucket 50 all communicate in the export of last resin adsorption tank 20.
Here, a plurality of resin adsorption tanks 20 are arranged in series, that is, the number of times of adsorption operation on the nickel-containing waste liquid is multiple, so that nickel ions in the nickel-containing waste liquid can be removed more sufficiently and effectively, and the recovery yield of subsequent metal nickel is improved. Preferably, the number of times of adsorption operation is 2, 3 or 4, so that nickel ions in the nickel-containing waste liquid can be removed more effectively, and the adsorption treatment cost can be saved. When the adsorption operation frequency is 3, the concentration of nickel ions in the waste liquid after the adsorption operation for 3 times is lower than 0.5ppm, and the nickel ions can be directly discharged to the sewage treatment station 80 for unified treatment.
Further, an outlet of the electrolytic bath 40 is communicated with an inlet of the resin adsorption tank 20. Due to the arrangement, the solution subjected to the electrolysis operation does not contain nickel ions, and can be used as backwash liquid to circulate to the resin adsorption tank 20 for continuous use, so that the maximization of resource recycling can be realized, the use amount of the acid solution in the backwash barrel 30 can be reduced, and the treatment cost of the solution can be saved to a certain extent.
Further, a pipe connecting the nickel-containing waste liquid collecting barrel 10 and the resin adsorption tank 20 is provided with a flow meter (not shown) for controlling the flow of the nickel-containing waste liquid introduced into the resin adsorption tank 20. Such setting can control the nickeliferous waste liquid flow that lets in resin adsorption tank 20 better to the nickel ion to in the nickeliferous waste liquid adsorbs effectively, in order to improve its adsorption efficiency. Alternatively, the flow rate of the nickel-containing waste liquid is controlled in the range of 5 to 10 times the volume of the nickel-containing resin per hour.
Further, a flow meter (not shown) is provided in a pipe connecting the backwash bucket 30 and the resin adsorption tank 20 to control the flow rate of the acid solution introduced into the resin adsorption tank 20. With the arrangement, the flow of the acid solution introduced into the resin adsorption tank 20 can be well controlled, so that nickel ions in the nickel-containing resin can be more effectively removed into the acid solution, the resin after the back washing basically does not contain the nickel ions, the waste phenomenon caused by the fact that the nickel ions cannot be dissolved in the acid solution is avoided, and the recovery yield of the subsequent metal nickel is improved. Alternatively, the flow rate of the acid solution is controlled in the range of 3 to 5 times the volume of the nickel-containing resin per hour.
A flow meter (not shown) is also provided in a pipe connecting the outlet of the electrolytic bath 40 and the inlet of the resin adsorption tank 20 to control the flow rate of the electrolyzed solution introduced into the resin adsorption tank 20.
Referring to fig. 1 again, the electrolytic cell 40 includes a cell body 41, an anode 43, a cathode 44, and a diaphragm 42, wherein the anode 43, the cathode 44, and the diaphragm 42 are disposed in the cell body 41, the diaphragm 42 divides the cell body 41 into an anode 43 chamber and a cathode 44 chamber, the anode 43 is disposed in the anode 43 chamber, and the cathode 44 is disposed in the cathode 44 chamber.
Alternatively, the anode 43 is a lead electrode, a titanium electrode, or a graphite electrode, and the cathode 44 is a stainless steel plate or a nickel plate.
Furthermore, a transit trough 60 is arranged between the resin adsorption tank 20 and the electrolytic bath 40, an inlet of the transit trough 60 is communicated with an outlet of the resin adsorption tank 20, and an outlet of the transit trough 60 is communicated with an inlet of the electrolytic bath 40.
Because the nickeliferous acid solution in the resin adsorption tank 20 is continuously generated in the backwashing process, the generated nickeliferous acid solution is collected through the setting of the transfer tank 60, and after a certain amount of nickeliferous acid solution is collected, a proper amount of nickeliferous acid solution is introduced into the electrolytic tank 40 for operation, so that the previous backwashing operation cannot be performed during the electrolytic operation. It can be understood that the arrangement of the transfer tank 60 can ensure that the backwashing operation and the electrolysis operation are not influenced by each other and can be performed simultaneously, thereby saving the processing time and improving the processing efficiency.
Further, the system 100 for recovering nickel from the nickel-containing waste liquid further includes a circulation tank 70, an inlet of the circulation tank 70 is communicated with an outlet of the electrolytic tank 40, and an outlet of the circulation tank 70 is communicated with an inlet of the resin adsorption tank 20, for accommodating the electrolyzed solution. Through setting up circulation tank 70, collect the solution after the electrolysis in the electrolysis trough 40 in circulation tank 70 earlier, collect a certain amount back and let in resin adsorption tank 20 with the solution in the circulation tank 70 as the backwash liquid and use, such setting is favorable to controlling the flow of backwash liquid to, after carrying the solution after the electrolysis in the electrolysis trough 40 to circulation tank 70, can continue the electrolysis operation, can save the processing time of nickel recovery system 100 in the nickeliferous waste liquid relatively like this, thereby improve its treatment effeciency.
Further, the pipe connecting the circulation tank 70 and the resin adsorption tank 20 is provided with a flow meter for controlling the flow rate of the electrolyzed solution introduced into the resin adsorption tank 20. Due to the arrangement, the flow of the electrolyzed solution introduced into the resin adsorption tank 20 can be well controlled, so that nickel ions in the nickel-containing resin are effectively removed into the acid solution, the resin after the back washing basically does not contain the nickel ions, the phenomenon that the nickel ions cannot be dissolved in the acid solution to cause waste is avoided, and the recovery yield of the subsequent metal nickel is improved.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a nickel recovery system in nickel-containing waste liquid which characterized in that, nickel recovery system in the nickel-containing waste liquid includes:
a nickel-containing waste liquid collecting barrel;
the resin adsorption tank is used for containing nickel-absorbing resin, and an inlet of the resin adsorption tank is communicated with the nickel-containing waste liquid collecting barrel;
the inlet of the waste liquid storage barrel is communicated with the outlet of the resin adsorption tank;
the backwashing barrel is used for containing an acid solution and is communicated with an inlet of the resin adsorption tank; and
and the inlet of the electrolytic cell is communicated with the outlet of the resin adsorption tank.
2. The system for recovering nickel from nickel-containing waste liquid according to claim 1, wherein a plurality of resin adsorption tanks are provided, a plurality of resin adsorption tanks are provided in series, the nickel-containing waste liquid collecting barrel and the backwashing barrel are both connected to an inlet of a first resin adsorption tank, and the electrolytic bath and the waste liquid storage barrel are both connected to an outlet of a last resin adsorption tank.
3. The system for recovering nickel from nickel-containing waste liquid according to claim 1, wherein an outlet of the electrolytic cell is communicated with an inlet of the resin adsorption tank.
4. The system for recovering nickel from nickel-containing waste liquid as claimed in claim 1, wherein a pipe connecting the nickel-containing waste liquid collecting barrel and the resin adsorption tank is provided with a flow meter for controlling the flow of the nickel-containing waste liquid introduced into the resin adsorption tank.
5. The system for recovering nickel from nickel-containing waste liquid according to claim 1, wherein a flow meter is arranged on a pipeline of the backwashing barrel and the resin adsorption tank for controlling the flow of the acid solution introduced into the resin adsorption tank.
6. The system for recovering nickel from a nickel-containing waste liquid according to claim 1, wherein the electrolytic cell comprises a cell body, an anode, a cathode, and a diaphragm, wherein the anode, the cathode, and the diaphragm are all disposed in the cell body, the diaphragm divides the cell body into an anode chamber and a cathode chamber, the anode is accommodated in the anode chamber, and the cathode is accommodated in the cathode chamber.
7. The system for recovering nickel in nickel-containing waste liquid according to claim 6, wherein the anode is a lead electrode, a titanium electrode or a graphite electrode, and the cathode is a stainless steel plate or a nickel plate.
8. The system for recovering nickel from nickel-containing waste liquid according to any one of claims 1 to 7, wherein a transit tank is further arranged between the resin adsorption tank and the electrolytic tank, an inlet of the transit tank is communicated with an outlet of the resin adsorption tank, and an outlet of the transit tank is communicated with an inlet of the electrolytic tank.
9. The system for recovering nickel from nickel-containing waste liquid according to any one of claims 1 to 7, further comprising a circulation tank, wherein an inlet of the circulation tank is communicated with an outlet of the electrolytic tank, and an outlet of the circulation tank is communicated with an inlet of the resin adsorption tank, and is used for accommodating electrolyzed solution.
10. The system for recovering nickel from nickel-containing waste liquid according to claim 9, wherein a flow meter is provided in a pipe connecting the circulation tank and the resin adsorption tank, for controlling the flow of the electrolyzed solution introduced into the resin adsorption tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921367827.0U CN210529005U (en) | 2019-08-21 | 2019-08-21 | Nickel recovery system in nickel-containing waste liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921367827.0U CN210529005U (en) | 2019-08-21 | 2019-08-21 | Nickel recovery system in nickel-containing waste liquid |
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| CN210529005U true CN210529005U (en) | 2020-05-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453074A (en) * | 2019-08-21 | 2019-11-15 | 深圳市祺鑫天正环保科技有限公司 | Nickel recovery method and recovery system in nickeliferous waste liquid |
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2019
- 2019-08-21 CN CN201921367827.0U patent/CN210529005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453074A (en) * | 2019-08-21 | 2019-11-15 | 深圳市祺鑫天正环保科技有限公司 | Nickel recovery method and recovery system in nickeliferous waste liquid |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210121 Address after: 518125 201, building 10, Fuhua Industrial Zone, Nanbo Avenue, Tangwei community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Qixin Environmental Protection Technology Co.,Ltd. Address before: 518125 Room 101, building 10, Fuhua Industrial Zone, Nanbo Avenue, Tangwei community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN QIXIN TIANZHENG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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