CN116590771A - Production method of low-cost high-quality electroplated lead-tin alloy anode - Google Patents
Production method of low-cost high-quality electroplated lead-tin alloy anode Download PDFInfo
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- CN116590771A CN116590771A CN202310696901.8A CN202310696901A CN116590771A CN 116590771 A CN116590771 A CN 116590771A CN 202310696901 A CN202310696901 A CN 202310696901A CN 116590771 A CN116590771 A CN 116590771A
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- Prior art keywords
- lead
- anode
- electroplating
- tin alloy
- tin
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- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910001128 Sn alloy Inorganic materials 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000009713 electroplating Methods 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 35
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000005498 polishing Methods 0.000 claims abstract description 9
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000007747 plating Methods 0.000 claims description 25
- 239000011159 matrix material Substances 0.000 claims description 18
- AFVFQIVMOAPDHO-UHFFFAOYSA-M Methanesulfonate Chemical compound CS([O-])(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-M 0.000 claims description 7
- 244000137852 Petrea volubilis Species 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000005238 degreasing Methods 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 7
- 239000011651 chromium Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 2
- 229910001245 Sb alloy Inorganic materials 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000002140 antimony alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- C25D5/22—Electroplating combined with mechanical treatment during the deposition
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
-
- 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
-
- 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
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention belongs to the field of lead-tin alloy anode production, and provides a production method of an inexpensive high-quality electroplated lead-tin alloy anode, which comprises the following steps: s1, preparing materials; s2, polishing; s3, cleaning; s4, electroplating; s5, processing; s6, collecting; the lead-tin alloy anode required by electroplating electrolysis is manufactured on the surface of a common pure lead or steel anode blank by a method of electroplating or spraying a layer of lead-tin alloy, the tin content of the lead-tin alloy on the surface of the anode can reach 12-20% (can be adjusted within the range of 3-100%), the thickness can reach 0.1-10mm, the requirements of various electroplating and electrolysis process conditions on various tin contents and thicknesses of the lead-tin alloy anode are met, the use effect which is completely consistent with that of the lead-tin alloy anode with the same tin content manufactured integrally is achieved, and the requirement of the lead-tin alloy anode which can be achieved only by high cost originally is met at low cost.
Description
Technical Field
The invention belongs to the technical field of lead-tin alloy anode production, and particularly relates to a production method of an inexpensive high-quality electroplated lead-tin alloy anode.
Background
The lead-tin alloy full anode has stable performance, good reducibility for reducing hexavalent chromium into trivalent chromium, good conductivity and difficult generation of anode sludge, is an optimal anode material for the process of electroplating hard chromium and electroplating decorative chromium and chromium, and is widely applied to the process of electroplating hard chromium and electroplating decorative chromium for engineering machinery, full treatment, hydraulic oil red, various industrial rollers and daily hardware products.
The existing chromium plating anode commonly uses cast or rolled lead-tin or lead-antimony alloy anode, the tin content is about 6%, and under the general condition, the anode needs to be washed for one half month or several months according to the tin content, the anode needs to be recovered for a new one 2-5 years, the higher the tin content is, the better the anode conductivity is, the longer the interval time for washing the anode is, and the longer the normal service life of the anode is. As the tin content increases, the conductivity of the anode becomes better, the generated anode mud is reduced, if the tin content of the anode is 12-20%, the anode can be not washed for a long time, the service life of the anode is several times that of the anode containing 6% of tin under the same production condition, and because the current price of tin is more than 12 times that of lead, if the tin content of the cast anode is 12-20%, the anode cost is increased by more than one time, and the input cost is greatly increased.
For this reason, a method for producing a low-cost high-quality electroplated lead-tin alloy anode is proposed by those skilled in the art to solve the problems presented in the background art.
Disclosure of Invention
In order to solve the technical problems, the invention provides a production method of an inexpensive high-quality electroplated lead-tin alloy anode, which aims to solve the problems in the prior art.
A method for producing a low-cost high-quality electroplated lead-tin alloy anode, which comprises the following steps:
s1, preparing materials: preparing a pure lead anode blank and preparing electroplating solution;
s2, polishing: polishing the part to be plated of the anode blank through sand paper;
s3, cleaning: the anode blank is rinsed with clear water after oil removal by using oil removal water;
s4, electroplating: placing the anode blank into a groove for electroplating;
s5, processing: in the electroplating process, taking out the electroplated anode blank at intervals of one end time, polishing and electroplating to generate whiskers and burrs;
s6, collecting: and after the electroplating is finished, taking out and cleaning the electroplating tank, and packaging and warehousing the electroplating tank after the electroplating tank is qualified in detection.
Preferably, in step S1, the pure lead anode blank needs to be manufactured into an anode blank with a shape meeting the technical requirements of electroplating and electrolysis processes by a casting or casting post-rolling method, wherein the pure lead matrix blank can be replaced by a steel matrix blank manufactured meeting the requirements by a lathe or a grinding machine.
Preferably, in step S1, the plating solution is a lead-tin methylsulfonate plating solution, wherein the plating solution is preferably a lead-tin methylsulfonate plating solution, and the lead-tin methylsulfonate plating solution may be replaced by a lead-tin fluoborate plating solution.
Preferably, in step S2, the to-be-plated portion of the pure lead anode blank is polished by sand paper to remove oxide skin and rust, so that the plated portion is smoother and smoother.
Preferably, in the step S4, the total electroplating time is selected to be 10-100h according to the requirement, the tin content of the lead-tin alloy on the surface of the anode can reach 12-20% (can be adjusted within the range of 3-100%), and the thickness can be 0.1-10mm.
Preferably, in step S4, the plating method is a general rack plating method or a cathode rotation plating method.
Preferably, in step S5, the anode blank after plating is taken out of the tank every about 8 hours and burrs are polished.
Compared with the prior art, the invention has the following beneficial effects:
1. the lead-tin alloy anode required by electroplating electrolysis is manufactured on the surface of a common pure lead or steel anode blank by a method of electroplating or spraying a layer of lead-tin alloy, the tin content of the lead-tin alloy on the surface of the anode can reach 12-20% (can be adjusted within the range of 3-100%), the thickness can reach 0.1-10mm, the requirements of various electroplating and electrolysis process conditions on various tin contents and thicknesses of the lead-tin alloy anode are met, the use effect which is completely consistent with that of the lead-tin alloy anode with the same tin content manufactured integrally is achieved, and the requirement of the lead-tin alloy anode which can be achieved only by high cost originally is met at low cost.
2. The invention uses the cost of the common cast anode to achieve the lead-tin alloy anode with tin content of 12-20% or higher, can not wash the anode for a long time, and can repair the damaged anode in time as long as the normal use time and the service life are several times of those of the cast anode with tin content of 6% under the same production condition without serious damage, thereby greatly reducing the workload of washing the anode, reducing the influence on the normal production caused by anode problems, and simultaneously meeting the technical conditions that the common cast or rolled anode is inconvenient to achieve under some special conditions.
Drawings
FIG. 1 is a flow chart of the production method of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
As shown in fig. 1:
embodiment one: the invention provides a production method of a low-cost high-quality electroplated lead-tin alloy anode, which comprises the following steps of S1, preparing materials, preparing a pure lead matrix anode blank and preparing electroplating solution; s2, polishing the part to be plated of the anode blank through sand paper; s3, cleaning the anode blank, and flushing the anode blank with clear water after oil removal by using oil removal water; s4, electroplating, namely placing the anode blank into a groove for electroplating; s5, during the processing and electroplating process, taking out the electroplated anode blank at intervals of one end time, polishing and electroplating to generate whiskers and burrs; s6, after the collection and electroplating are completed, taking out and cleaning the materials from the tank, and packaging and warehousing the materials after the materials are detected to be qualified.
Further, in step S1, the pure lead matrix is required to be cast or rolled after casting to manufacture an anode blank with a shape conforming to the technical requirements of electroplating and electrolysis processes.
Further, in step S1, the plating solution is a lead-tin methylsulfonate alloy plating solution.
Furthermore, in the step S2, the pure lead part to be plated is polished by sand paper to remove oxide skin and rust, so that the plated part is smoother and smoother.
Further, in step S4, the total electroplating time is selected to be 10-100h according to the requirement, the tin content of the lead-tin alloy on the surface of the anode can reach 12-20% (can be adjusted within the range of 3-100%), and the thickness can be 0.1-10mm.
Further, in step S4, the plating method is a general rack plating method or a cathode rotation plating method.
Further, in step S5, the anode blank after the plating is taken out of the tank every about 8 hours, and burrs are polished.
According to the requirements of the electroplating process on the shape of the anode, a steel matrix meeting the requirements is manufactured by a lathe or a grinding machine, or a pure lead matrix meeting the requirements is manufactured by a casting or rolling method after casting, and the steel matrix or the pure lead matrix to be plated is polished by sand paper, so that oxide scales and rust stains are removed, and the electroplated part is smooth and clean.
Further, the steel matrix or the pure lead matrix blank is cleaned by oil removing water, so that the surface of the blank is cleaned, the requirement of the electroplating process on the cleanliness of the surface of the blank is met, then the anode blank manufactured by the steel matrix or the pure lead matrix is placed into a groove for electroplating, and the electroplating solution is the lead-tin alloy methylsulfonate electroplating solution, so that the waste water of the lead-tin alloy methylsulfonate electroplating solution is easy to treat.
Further, the electroplating method adopts a common method of hanging plating or cathode rotary plating, in the electroplating process, the anode blank made of the steel matrix or the pure lead matrix is taken out every 8 hours, whiskers and burrs generated by electroplating on the anode blank made of the steel matrix or the pure lead matrix are polished, and the electroplating time can be controlled to be 10-100 hours according to requirements.
Further, the tin content of the lead-tin alloy on the surface of the anode can be selected to be 12-20% (can be adjusted within the range of 3-100%) according to the process or cost requirements, and the electroplating thickness can be selected to be 0.1-10mm, so that the requirements of various tin contents and thicknesses of the lead-tin alloy anode under various electroplating and electrolysis process conditions and for cost control are met.
Embodiment two: the embodiment is basically the same as the previous embodiment, except that the electroplating method can be replaced by a thermal spraying method, and a lead-tin alloy electroplated layer with enough thickness and tin content is sprayed on a pure lead or steel substrate which is prepared in advance according to the spraying process requirement, so that the whole anode surface is covered, and the use effect completely consistent with that of the lead-tin alloy anode with the same tin content which is integrally prepared is achieved.
While embodiments of the present invention have been shown and described above for purposes of illustration and description, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (7)
1. A method for producing a low-cost high-quality electroplated lead-tin alloy anode, which is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing materials: preparing a pure lead matrix blank and preparing electroplating solution;
s2, polishing: polishing the part to be plated of the anode blank through sand paper;
s3, cleaning: after degreasing the anode blank with degreasing water, rinsing with clear water;
s4, electroplating: placing the anode blank into a groove for electroplating;
s5, processing: in the electroplating process, taking out the electroplated anode blank at intervals of one end time, polishing and electroplating to generate whiskers and burrs;
s6, collecting: and after the electroplating is finished, taking out and cleaning the electroplating tank, and packaging and warehousing the electroplating tank after the electroplating tank is qualified in detection.
2. A method for producing an inexpensive high quality electroplated lead-tin alloy anode according to claim 1, characterized by: in step S1, the pure lead matrix is required to be manufactured into an anode blank in a shape meeting the technical requirements of electroplating and electrolysis processes by a casting or casting post-rolling method.
3. A method for producing an inexpensive high quality electroplated lead-tin alloy anode according to claim 1, characterized by: in step S1, the plating solution is a lead-tin methylsulfonate alloy plating solution.
4. A method for producing an inexpensive high quality electroplated lead-tin alloy anode according to claim 1, characterized by: in the step S2, the part to be plated of pure lead is polished by sand paper to remove oxide skin and rust, so that the plated part is smoother and smoother.
5. A method for producing an inexpensive high quality electroplated lead-tin alloy anode according to claim 1, characterized by: in the step S4, the total electroplating time is 10-100h according to the requirement, the tin content of the lead-tin alloy on the surface of the anode can reach 12-20%, and the thickness can be 0.1-10mm.
6. A method for producing an inexpensive high quality electroplated lead-tin alloy anode according to claim 1, characterized by: in step S4, the plating method is a general rack plating method or a cathode rotation plating method.
7. A method for producing an inexpensive high quality electroplated lead-tin alloy anode according to claim 1, characterized by: in step S5, the anode blank after the plating is taken out of the tank every about 8 hours, and burrs are polished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310696901.8A CN116590771A (en) | 2023-06-13 | 2023-06-13 | Production method of low-cost high-quality electroplated lead-tin alloy anode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310696901.8A CN116590771A (en) | 2023-06-13 | 2023-06-13 | Production method of low-cost high-quality electroplated lead-tin alloy anode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116590771A true CN116590771A (en) | 2023-08-15 |
Family
ID=87606378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310696901.8A Pending CN116590771A (en) | 2023-06-13 | 2023-06-13 | Production method of low-cost high-quality electroplated lead-tin alloy anode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116590771A (en) |
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2023
- 2023-06-13 CN CN202310696901.8A patent/CN116590771A/en active Pending
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