CN109321956A - A kind of method of Ni―Ti anode coating production and coating reparation - Google Patents
A kind of method of Ni―Ti anode coating production and coating reparation Download PDFInfo
- Publication number
- CN109321956A CN109321956A CN201811400886.3A CN201811400886A CN109321956A CN 109321956 A CN109321956 A CN 109321956A CN 201811400886 A CN201811400886 A CN 201811400886A CN 109321956 A CN109321956 A CN 109321956A
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- Prior art keywords
- anode
- coating
- equipment
- electroplate liquid
- reparation
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Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/38—Pretreatment of metallic surfaces to be electroplated of refractory metals or nickel
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
- C25B11/057—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material consisting of a single element or compound
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/02—Electrodes; Connections thereof
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
Abstract
The invention discloses the methods of a kind of production of Ni―Ti anode coating and coating reparation, comprising the following steps: S1: anode base material is directly installed in productive power product equipment after pretreatment, prepares electroplated coating；S2: configuration electroplate liquid, electroplate liquid are the mixed solution of plumbi nitras and copper nitrate and other additives composition；S3: adding electroplate liquid into equipment, connects direct current and carries out electroplating activity；S4: completing the production of electroplated coating, empties electroplate liquid in slot, and clear water is added and cleans to equipment, pipeline in system, and productive power solution liquid is added and resumes production.The present invention is not needed to dismantle the anode of electrodeposition equipment, be recombinated, without additional consumptive material when the anode of electrodeposition equipment needs to repair；And electrode surface obtained is more uniform；It repairs on the spot, without returning factory, and does not need additional equipment, economic cost is low；Equipment is simple, staff is facilitated to operate.
Description
Technical field
The present invention relates to electrochemical technology field, the method for specially a kind of Ni―Ti anode coating production and coating reparation.
Background technique
Titanium-based oxide coated anode is mainly made of Titanium base and surface precious metal oxide coating, abbreviation DSA or titanium
Anode, due to traditional graphite anodes, lead and the incomparable advantage of alloy lead anode, Ni―Ti anode oneself be widely used in chlorine
The fields such as alkali industry, electroextraction, metal foil production, the sewage treatment of non-ferrous metal or metal oxide.
For metal anode using pure titanium as matrix, traditional coating/coating production method is to carry out the system of coating in coating producer
Make, then transported after being assembled and use producer, is installed in electrodeposition equipment；Traditional Ni―Ti anode restorative procedure is first will failure
After coating removal, then being recoated on exposed clean Titanium base, failure coating surface contains a certain amount of noble coatings,
It is repaired in this way, the loss of noble metal will be caused, in addition, needing to dismantle on anode, disintegrating, return factory when repairing
Reparation is ressembled, is reinstalled, and not only expends a large amount of material, artificial, freight charges, but also repairing efficiency is very long, shadow
The production system utilization of capacity is rung, in addition, be easy to causeing the damage of coating in transport, disassembly, installation process.
Summary of the invention
The object of the present invention is to provide the methods of a kind of production of Ni―Ti anode coating and coating reparation, have and do not need to anode
It dismantled, recombinated, the practicability without additional consumptive material.
To achieve the above object, the present invention is the following technical schemes are provided: a kind of production of Ni―Ti anode coating and coating reparation
Method, comprising the following steps:
S1: anode base material is directly installed in electrodeposition equipment after pretreatment, prepares electroplated coating；
S2: configuration electroplate liquid, electroplate liquid are the mixed solution of plumbi nitras and copper nitrate and other additives composition；
S3: adding electroplate liquid into equipment, connects direct current and carries out electroplating activity；
S4: completing the production of electroplated coating, empties electroplate liquid in slot, and clear water is added and carries out clearly to equipment, pipeline in system
It washes, productive power solution liquid is added and resumes production；
S5: using the quality of titanium anode coating in the methods of range estimation or tank voltage measurement detection electrodeposition equipment, work as tank voltage
It rises to 4~10V and determines that anodic coating needs to repair；
S6: for by determining, titanium anode coating is close to failure in electrodeposition equipment, the anode that can not be continued to use, emptying
Productive power solution liquid in slot is added clear water and cleans to equipment, pipeline in system；
S7: adding electroplate liquid into electrodeposition equipment, repairs to the titanium anode coating in electrodeposition equipment；
S8: electroplate liquid in emptying slot is added clear water and cleans to equipment, pipeline in system, and electroplate liquid concentrates sealing storage
It deposits in case use when next time repairs；
S9: rejoining productive power solution liquid and resume production, and determines repairing for anode using the methods of range estimation, tank voltage measurement
Compound body amount.
Further, the electrodeposition equipment in the S1 step is plate channel type electrodeposition equipment, diaphragm type electrodeposition equipment, pole of rotation
One of board-like electrodeposition equipment, tubular type electrodeposition equipment or cartridge type electrodeposition equipment.
Further, the anode base material in the S1 step be plate-shaped anode, sheath, column anode, meshed anode,
Or one kind of other forms anode.
Further, the electroplate liquid in the S2 step be the soluble lead salts such as plumbi nitras, lead fluorosilicate and copper nitrate,
The mixed solution of other additive compositions such as bismuth nitrate, nitric acid antimony；Wherein lead salt concentration is 120~160g/L；Mantoquita concentration is
20~50g/L；Other additive concentrations are 0.1~1.5g/L；Electrolyte pH is 1~3.
Further, the reaction of anode and cathode is as follows when making electroplated coating in the S3 step:
Anode reaction:
Pb2++2H2O→PbO2+4H++2e-
2H2O→O2+4H++4e-
Cathode reaction:
Cu2++2e-→Cu
And inhibit following cathode reaction:
Pb2++2e-→Pb
2H++2e-→H2↑
Further, the plating of the S7 step floating coat, single slot internal circulating load are 65~85L/h；Single cell current density 120
~160A/ ㎡；Tank voltage is 1.5~2.0V.
Compared with prior art, the beneficial effects of the present invention are: this kind of Ni―Ti anode coating makes and the method for coating reparation,
When the anode of electrodeposition equipment needs to repair, does not need to dismantle the anode of electrodeposition equipment, recombinate, without additional consumptive material；
And electrode surface obtained is more uniform；It repairs on the spot, without returning factory, and does not need additional equipment, economic cost is low；
Equipment is simple, staff is facilitated to operate.
Detailed description of the invention
Fig. 1 is process flow diagram of the invention；
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment
The present invention is the following technical schemes are provided: the method for a kind of production of Ni―Ti anode coating and coating reparation, including following step
It is rapid:
S1: anode base material is directly installed in electrodeposition equipment after pretreatment, prepares electroplated coating；
S2: configuration electroplate liquid, electroplate liquid are the mixed solution of plumbi nitras and copper nitrate and other additives composition；
S3: adding electroplate liquid into equipment, connects direct current and carries out electroplating activity；；
S4: completing the production of electroplated coating, empties electroplate liquid in slot, and clear water is added and carries out clearly to equipment, pipeline in system
It washes, productive power solution liquid is added and resumes production；
S5: using the quality of titanium anode coating in the methods of range estimation or tank voltage measurement detection electrodeposition equipment, work as tank voltage
It rises to 4~10V and determines that anodic coating needs to repair；
S6: for by determining, titanium anode coating is close to failure in electrodeposition equipment, the anode that can not be continued to use, emptying
Productive power solution liquid in slot is added clear water and cleans to equipment, pipeline in system；
S7: adding electroplate liquid into electrodeposition equipment, repairs to the titanium anode coating in electrodeposition equipment；
S8: electroplate liquid in emptying slot is added clear water and cleans to equipment, pipeline in system, and electroplate liquid concentrates sealing storage
It deposits in case use when next time repairs；
S9: rejoining productive power solution liquid and resume production, and determines repairing for anode using the methods of range estimation, tank voltage measurement
Compound body amount.
Electrodeposition equipment in the S1 step is plate channel type electrodeposition equipment, diaphragm type electrodeposition equipment, rotation polar-plate-type electrodeposition
One of equipment, tubular type electrodeposition equipment or cartridge type electrodeposition equipment.
Anode base material in the S1 step is plate-shaped anode, sheath, column anode, meshed anode or other shapes
One kind of formula anode.
Electroplate liquid in the S2 step is soluble lead salts and copper nitrate, bismuth nitrate, the nitre such as plumbi nitras, lead fluorosilicate
The mixed solution of other additive compositions such as sour antimony；Wherein lead salt concentration is 120~160g/L；Mantoquita concentration is 20~50g/L；
Other additive concentrations are 0.1~1.5g/L；Electrolyte pH is 1~3.
The reaction of anode and cathode is as follows when making electroplated coating in the S3 step:
Anode reaction:
Pb2++2H2O→PbO2+4H++2e-
2H2O→O2+4H++4e-
Cathode reaction:
Cu2++2e-→Cu
And inhibit following cathode reaction:
Pb2++2e-→Pb
2H++2e-→H2↑
The plating of the S7 step floating coat, single slot internal circulating load are 65~85L/h；120~160A/ of single cell current density
㎡；Tank voltage is 1.5~2.0V.
When specific operation, anode base material is directly installed in electrodeposition equipment after pretreatment, is prepared electroplated coating, is adopted
With the quality of titanium anode coating in the methods of range estimation or tank voltage measurement detection electrodeposition equipment, sentence when tank voltage rises to 4~10V
Determine anodic coating to need to repair, for by determining, titanium anode coating is close to failure in electrodeposition equipment, the sun that can not be continued to use
Pole empties productive power solution liquid in slot, and clear water is added and cleans to equipment, pipeline in system, configures electroplate liquid, electroplate liquid is
The mixed solution of plumbi nitras and copper nitrate and other additives composition, adds electroplate liquid into electrodeposition equipment, in electrodeposition equipment
Titanium anode coating repaired, empty slot in electroplate liquid, be added clear water equipment, pipeline in system are cleaned, electroplate liquid
It concentrates to be sealed and stored when repairing in case of next time and use, rejoin productive power solution liquid and resume production, surveyed using range estimation, tank voltage
The methods of fixed repairing quality for determining anode.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of method of Ni―Ti anode coating production and coating reparation, which comprises the following steps:
S1: anode base material is directly installed in productive power product equipment after pretreatment, prepares electroplated coating；
S2: configuration electroplate liquid, electroplate liquid are the mixed solution of plumbi nitras and copper nitrate and other additives composition；
S3: adding electroplate liquid into equipment, connects direct current and carries out electroplating activity；
S4: completing the production of electroplated coating, empties electroplate liquid in slot, and clear water is added and cleans to equipment, pipeline in system, adds
Enter productive power solution liquid to resume production；
S5: using the quality of titanium anode coating in the methods of range estimation or tank voltage measurement detection electrodeposition equipment, when tank voltage rises
Determine that anodic coating needs to repair to 4~10V；
S6: it for by determining, titanium anode coating is close to failure in electrodeposition equipment, the anode that can not be continued to use, empties in slot
Productive power solution liquid is added clear water and cleans to equipment, pipeline in system；
S7: adding electroplate liquid into electrodeposition equipment, repairs to the titanium anode coating in electrodeposition equipment；
S8: emptying slot in electroplate liquid, be added clear water equipment, pipeline in system are cleaned, electroplate liquid concentrate be sealed and stored with
Standby next time uses when repairing；
S9: rejoining productive power solution liquid and resume production, and the reparation matter of anode is determined using the methods of range estimation, tank voltage measurement
Amount.
2. the method for a kind of Ni―Ti anode coating production according to claim 1 and coating reparation, which is characterized in that the S1
Electrodeposition equipment in step is plate channel type electrodeposition equipment, diaphragm type electrodeposition equipment, rotation polar-plate-type electrodeposition equipment, tubular type electrodeposition are set
One of standby or cartridge type electrodeposition equipment.
3. the method for a kind of Ni―Ti anode coating production according to claim 1 and coating reparation, which is characterized in that the S1
Anode base material in step is one kind of plate-shaped anode, sheath, column anode, meshed anode or other forms anode.
4. the method for a kind of Ni―Ti anode coating production according to claim 1 and coating reparation, which is characterized in that the S2
Electroplate liquid in step is other additions such as soluble lead salts and copper nitrate, bismuth nitrate, nitric acid antimony such as plumbi nitras, lead fluorosilicate
The mixed solution of agent composition；Wherein lead salt concentration is 120~160g/L；Mantoquita concentration is 20~50g/L；Other additive concentrations
For 0.1~1.5g/L；Electrolyte pH is 1~3.
5. the method for a kind of Ni―Ti anode coating production according to claim 1 and coating reparation, which is characterized in that the S3
The reaction of anode and cathode is as follows when making electroplated coating in step:
Anode reaction:
Pb2++2H2O→PbO2+4H++2e-
2H2O→O2+4H++4e-
Cathode reaction:
Cu2++2e-→Cu
And inhibit following cathode reaction:
Pb2++2e-→Pb
2H++2e-→H2↑
6. the method for a kind of Ni―Ti anode coating production according to claim 1 and coating reparation, which is characterized in that the S7
The plating of step floating coat, single slot internal circulating load are 65~85L/h；120~160A/ of single cell current density ㎡；Tank voltage be 1.5~
2.0V。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400886.3A CN109321956A (en) | 2018-11-22 | 2018-11-22 | A kind of method of Ni―Ti anode coating production and coating reparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400886.3A CN109321956A (en) | 2018-11-22 | 2018-11-22 | A kind of method of Ni―Ti anode coating production and coating reparation |
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| Publication Number | Publication Date |
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| CN109321956A true CN109321956A (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811400886.3A Pending CN109321956A (en) | 2018-11-22 | 2018-11-22 | A kind of method of Ni―Ti anode coating production and coating reparation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111321423A (en) * | 2020-01-17 | 2020-06-23 | 湖北永绍科技股份有限公司 | Method for recovering sulfuric acid from waste sulfuric acid containing hydrogen peroxide |
| CN112593264A (en) * | 2020-11-17 | 2021-04-02 | 东风汽车集团有限公司 | Method for repairing surface coating of metal bipolar plate |
| CN114990531A (en) * | 2022-06-28 | 2022-09-02 | 西安泰金工业电化学技术有限公司 | Method for cleaning and regenerating and repairing titanium anode for electrolytic copper foil |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106757248A (en) * | 2016-11-28 | 2017-05-31 | 深圳市橘井舒泉技术有限公司 | The preparation facilities and method of lead dioxide electrode |
-
2018
- 2018-11-22 CN CN201811400886.3A patent/CN109321956A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106757248A (en) * | 2016-11-28 | 2017-05-31 | 深圳市橘井舒泉技术有限公司 | The preparation facilities and method of lead dioxide electrode |
Non-Patent Citations (2)
| Title |
|---|
| 张招贤等: "《涂层钛阳极》", 31 May 2014, 冶金工业出版社 * |
| 汪家权等: "《生态强省 美好安徽》", 31 July 2013, 合肥工业大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111321423A (en) * | 2020-01-17 | 2020-06-23 | 湖北永绍科技股份有限公司 | Method for recovering sulfuric acid from waste sulfuric acid containing hydrogen peroxide |
| CN112593264A (en) * | 2020-11-17 | 2021-04-02 | 东风汽车集团有限公司 | Method for repairing surface coating of metal bipolar plate |
| CN112593264B (en) * | 2020-11-17 | 2022-03-01 | 东风汽车集团有限公司 | Method for repairing surface coating of metal bipolar plate |
| CN114990531A (en) * | 2022-06-28 | 2022-09-02 | 西安泰金工业电化学技术有限公司 | Method for cleaning and regenerating and repairing titanium anode for electrolytic copper foil |
| CN114990531B (en) * | 2022-06-28 | 2022-12-13 | 西安泰金工业电化学技术有限公司 | Method for cleaning and regenerating and repairing titanium anode for electrolytic copper foil |
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Application publication date: 20190212 |