CN115418685A - Tin plate production method - Google Patents
Tin plate production method Download PDFInfo
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- CN115418685A CN115418685A CN202210924322.XA CN202210924322A CN115418685A CN 115418685 A CN115418685 A CN 115418685A CN 202210924322 A CN202210924322 A CN 202210924322A CN 115418685 A CN115418685 A CN 115418685A
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- Prior art keywords
- tin
- plate
- cold
- steel strip
- production line
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 74
- 239000005028 tinplate Substances 0.000 title claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 47
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000007747 plating Methods 0.000 claims abstract description 12
- 238000007788 roughening Methods 0.000 claims abstract description 9
- 239000013067 intermediate product Substances 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000009713 electroplating Methods 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000002161 passivation Methods 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 5
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 claims description 4
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005554 pickling Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000005246 galvanizing Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 6
- 241000251468 Actinopterygii Species 0.000 abstract description 2
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000002596 correlated effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000001978 electrochemical passivation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- NNIPDXPTJYIMKW-UHFFFAOYSA-N iron tin Chemical compound [Fe].[Sn] NNIPDXPTJYIMKW-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- 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
- C25D3/30—Electroplating: Baths therefor from solutions of tin
-
- 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
- C25D17/06—Suspending or supporting devices for articles to be coated
- C25D17/08—Supporting racks, i.e. not for suspending
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The application relates to the technical field of operation of a tinned plate, and discloses a tinned plate production method. The method comprises the following steps: roughening the surface of the tension roller to improve the roughness of the surface of the tension roller; the method comprises the following steps of constructing a tinned plate production line, and installing a plurality of tension rollers in the tinned plate production line, wherein the tension rollers are used for providing tension for the tinned plate in the tinned plate production line so as to enable the tinned plate to stably run in the tinned plate production line; and carrying out tin plating processing on the cold-rolled low-carbon thin steel strip through the tin plate production line to obtain a tin plate finished product. The technical scheme that this application provided can effectively reduce the quantity that the fish tail defect appears in the tinned plate that the tinning production line produced to reduce because of the economic loss that too much caused appears in the tinned plate that produces.
Description
Technical Field
The application relates to the technical field of operation of a tinned plate, and discloses a tinned plate production method.
Background
The tin plate is commonly called as tinplate, is a cold-rolled low-carbon thin steel strip with pure tin plated on both sides, and is widely applied to various fields at home and abroad. In the production process, in order to improve the stability of subsequent processing and storage, the tinplate needs to be passivated, so that a stable passivation film is formed on the surface of the tinplate, and the performances of corrosion resistance, sulfur resistance, adhesive force and the like are improved.
The speed of a tinning production line is gradually increased to 480mpm for continuous operation, the requirement of the high-speed operation of the production line on the stability of working conditions is continuously increased, and the roughness of the roller surface of the tension roller plays a key role. In the high-speed operation process of production line, the technique section tension roller loses tension and can cause skidding to lead to the face to appear the fish tail, and then lead to producing the frequent unusual deceleration of line, reduction in production efficiency.
However, there is no method for reducing scratch defects in the process section of the tin plating production line, and a method for solving the problems is needed.
Disclosure of Invention
The embodiment of the application provides a tin plate production method. Can reduce the scratch defect of the technical section of the tin plating production line.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned by practice of the application.
According to an aspect of an embodiment of the present application, there is provided a tin plate production method including: roughening the surface of the tension roller to improve the roughness of the surface of the tension roller; the method comprises the following steps of constructing a tinned plate production line, and installing a plurality of tension rollers in the tinned plate production line, wherein the tension rollers are used for providing tension for a tinned plate in the tinned plate production line so as to enable the tinned plate to stably run in the tinned plate production line; and carrying out tinning processing on the cold-rolled low-carbon thin steel strip through the tinning plate production line to obtain a tinning plate finished product.
In an embodiment of the application, based on the foregoing scheme, the roughening treatment of the roller surface of the tension roller includes: and roughening the polyurethane rubber on the roller surface of the tension roller in the grinding process of the roller surface of the tension roller to enable the roller surface of the tension roller to be in a orange peel shape.
In an embodiment of the application, based on the foregoing scheme, the tension roller corresponds to a roughness grade, wherein the roughness of the surface of the tension roller is positively correlated with the roughness grade, a plurality of tension rollers are installed in the tin plate production line, including: and according to the production model of the tin plate, installing tension rollers with roughness grades matched with corresponding positions at all positions in the tin plate production line.
In one embodiment of the present application, based on the foregoing scheme, the method for tin plating a cold-rolled low-carbon thin steel strip to obtain a tin-plated sheet finished product comprises: electroplating the cold-rolled low-carbon thin steel strip to obtain a tin plate intermediate product; and passivating the intermediate product of the tinned plate to obtain a tinned plate finished product.
In an embodiment of the present application, based on the foregoing scheme, the electroplating process of the cold-rolled low-carbon thin steel strip to obtain the tin-plated plate intermediate product includes: electroplating the cold-rolled low-carbon thin steel strip by using a methanesulfonic acid solution so as to form a tin coating on the surface of the cold-rolled low-carbon thin steel strip, thereby obtaining a tin plate intermediate product.
In an embodiment of the application, based on the foregoing scheme, the passivating the intermediate product of the tin-plated plate to obtain a finished tin-plated plate includes: and passivating the intermediate product of the tin plate by using a sodium dichromate solution so as to form a layer of passivation film on the surface of the intermediate product of the tin plate, thereby obtaining a finished product of the tin plate, wherein the passivation film is used for improving the corrosion resistance of the tin plate.
In an embodiment of the present application, based on the above solution, before the electroplating process is performed on the cold-rolled low-carbon thin steel strip, the method further comprises: and carrying out acid cleaning treatment on the cold-rolled low-carbon thin steel strip by using a sulfuric acid solution so as to activate the surface of the cold-rolled low-carbon thin steel strip and improve the adhesive force of the surface of the cold-rolled low-carbon thin steel strip.
In an embodiment of the present application, based on the above solution, before pickling the cold rolled low carbon thin steel strip with a sulfuric acid solution, the method further comprises: and performing alkali washing treatment on the surface of the cold-rolled low-carbon thin steel strip by using a sodium hydroxide solution.
In one embodiment of the application, based on the scheme, the running speed of the tin plate in the tin plating production line is controlled to be 480m/min.
According to another aspect of the embodiments of the present application, there is provided a tin-plated sheet prepared by the tin-plated sheet production method as described above.
In the technical scheme that this application provided, found the tinned sheet production line, and install a plurality of tension rollers in the tinned sheet production line, the tension roller is arranged in providing tension for the tinned sheet in the tinned sheet production line to make the tinned sheet steady operation in the tinned sheet production line, carry out the texturing processing to the tension roller roll face, in order to improve the roughness of tension roller roll face, through the tinned sheet production line carries out tin-plating to cold rolling low carbon thin steel band and processes, obtains the tinned sheet finished product. The tin plate produced by the method can reduce scratch defects of the process section of a tin plating production line.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 shows a flowchart of a tin plate production method in an embodiment of the present application;
FIG. 2 is a time series chart showing the number of scratches according to an embodiment of the present invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the subject matter of the present application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the application.
The flowcharts shown in the figures are illustrative only and do not necessarily include all of the contents and operations/steps, nor do they necessarily have to be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
It should be noted that: reference herein to "a plurality" means two or more. "and/or" describes the association relationship of the associated object, indicating that there may be three relationships, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The implementation details of the technical solution of the embodiment of the present application are set forth in detail below:
fig. 1 shows a flowchart of a tin plate production method in the embodiment of the present application.
As shown in fig. 1, the method for producing a tin-plated plate includes at least steps 110 to 150.
The following will describe steps 110 to 150 shown in fig. 1 in detail:
in step 110, a surface of a tension roller is roughened to improve roughness of the surface of the tension roller.
In step 130, a tin plate production line is constructed, and a plurality of tension rollers are installed in the tin plate production line, wherein the tension rollers are used for providing tension for the tin plate in the tin plate production line so as to ensure that the tin plate stably runs in the tin plate production line.
In this application, found the tinned sheet production line, and install multiunit tension roller set in the tinned sheet production line, every group tension roller set includes a tension roll at least, the tension roll is arranged in providing tension for the tinned sheet in the tinned sheet production line to make tinned sheet steady operation in the tinned sheet production line.
In step 150, the cold-rolled low-carbon thin steel strip is tinned by the tinned sheet production line to obtain a tinned sheet finished product.
In some embodiments of the present application, the roughening the roll surface of the tension roll comprises: and roughening the polyurethane rubber on the roller surface of the tension roller in the grinding process of the roller surface of the tension roller to ensure that the roller surface of the tension roller is in an orange peel shape.
In the application, in the process of grinding the roller surface of the tension roller, the roller surface of the tension roller is roughened by processing equipment, and polyurethane rubber on the roller surface is made into an orange peel-like surface so as to improve the roughness of the roller surface of the tension roller.
In some embodiments of the present application, the tension roller corresponds to a roughness grade, wherein a roughness of a surface of the tension roller is positively correlated to the roughness grade, and the installing of the plurality of tension rollers in the tin plate production line comprises: and according to the production model of the tin plate, installing tension rollers with roughness grades matched with corresponding positions at each position in the tin plate production line.
In the application, after the roller surface of the tension roller is subjected to roughening treatment, the roller surface of the tension roller is divided into a plurality of roughness grades according to the difference of roughness, the roughness of the roller surface of the tension roller is positively correlated with the roughness grade, namely the larger the roughness of the roller surface of the tension roller is, the higher the corresponding roughness grade is, the grade number of the roughness grade and the difference between different grades can be adjusted according to actual production needs, and according to the production model of the tin plate, tension rollers with the roughness grade matched with the corresponding positions are installed at all positions in the tin plate production line, so that the tin plate production line can produce quickly and efficiently.
In some embodiments of the present application, a cold rolled low carbon thin steel strip is tin plated to produce a finished tin plate product comprising: electroplating the cold-rolled low-carbon thin steel strip to obtain a tin plate intermediate product; and passivating the intermediate product of the tinned plate to obtain a tinned plate finished product.
In some embodiments of the present application, the electroplating of the cold rolled low carbon thin steel strip to obtain a tin plate intermediate comprises: electroplating the cold-rolled low-carbon thin steel strip by using a methanesulfonic acid solution so as to form a tin coating on the surface of the cold-rolled low-carbon thin steel strip, thereby obtaining a tin plate intermediate product.
In the method, a cold-rolled low-carbon thin steel strip is subjected to electroplating treatment by adopting a methanesulfonic acid solution, and a tin coating is formed on the surface of the cold-rolled low-carbon thin steel strip through the electroplating treatment, so that a tin plate intermediate product is obtained.
In some embodiments of the present application, the passivating the intermediate tin-plated plate to obtain a finished tin-plated plate includes: and passivating the intermediate product of the tin plate by using a sodium dichromate solution so as to form a layer of passivation film on the surface of the intermediate product of the tin plate, thereby obtaining a finished product of the tin plate, wherein the passivation film is used for improving the corrosion resistance of the tin plate.
In this application, can adopt the electrolytic passivation method right the intermediate product of tin plate carries out passivation treatment, and the passivation solution of adoption can be sodium dichromate solution, and passivation treatment makes the intermediate product surface of tin plate forms the one deck passive film, obtains the finished product of tin plate, the passive film can prevent the corruption of finished product of tin plate during transportation and storage to can improve the durability to sulfite corruption.
In some embodiments of the present application, prior to electroplating the cold rolled low carbon thin steel strip, the method further comprises: and carrying out acid washing treatment on the cold-rolled low-carbon thin steel strip by using a sulfuric acid solution so as to activate the surface of the cold-rolled low-carbon thin steel strip and improve the adhesive force of the surface of the cold-rolled low-carbon thin steel strip.
In the present application, the cold-rolled low-carbon thin steel strip may be subjected to an acid pickling treatment using a sulfuric acid solution, which is used to remove oxides from the surface of the cold-rolled low-carbon thin steel strip and to improve the adhesion of tin to the surface of the cold-rolled low-carbon thin steel strip during the electroplating treatment.
In some embodiments of the present application, prior to pickling the cold rolled low carbon thin steel strip with a sulfuric acid solution, the method further comprises: and performing alkali washing treatment on the surface of the cold-rolled low-carbon thin steel strip by using a sodium hydroxide solution.
In the application, the surface of the cold-rolled low-carbon thin steel strip can be subjected to alkaline washing treatment by using a sodium hydroxide solution, wherein the sodium hydroxide solution is used for separating oil stains on the surface of the cold-rolled low-carbon thin steel strip from the surface of the cold-rolled low-carbon thin steel strip, so that the cold-rolled low-carbon thin steel strip can be prevented from being subjected to plating leakage during electroplating treatment.
In some embodiments of the present application, the running speed of the tin plate in the tin plating production line is controlled to be 480m/min.
According to another aspect of the embodiments of the present application, there is provided a tin-plated sheet prepared by the tin-plated sheet production method as described above.
In order that those skilled in the art will more readily understand the present application, the present application will now be described in terms of specific embodiments.
The roughness grade of the roller surface of the tension roller group of the process section in the production process of the tin plate production line is shown in table 1. By optimizing the tension roll surfaces at different positions of the tin plating production line process section, namely selecting the roll surface with the roughness grade of 3 grade for the tension roll of the No. 7 tension roll group, and selecting the roll surface with the roughness grade of 4 grade for the tension roll surface of the No. 8 tension roll group, the low-speed production can be met11.2g/m 2 The high tin iron can meet the order requirement of producing the common tin layer at high speed, the production speed of the process section is increased from 430m/min to 480m/min for stable operation, the number of times of scratching of the tension roller of the process section is obviously reduced in the next half year of 21 years, and the improvement effect is obvious, as shown in figure 2.
| Item | Grade of roughness |
| Tension roller surface of No. 7 tension roller group | Grade 3 |
| Tension roller surface of No. 8 tension roller set | |
TABLE 1
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the polyurethane rubber of the roller surface of the tension roller is roughened in the grinding process of the roller surface of the tension roller, so that the roller surface of the tension roller is orange peel-shaped, the roughness of the roller surface is increased, the friction coefficient of the roller surface is improved, the friction force of the roller surface of the tension roller and strip steel is improved, the strip steel and the speed of the tension roller are kept synchronous constantly in the high-speed running process of a tinned plate production line, the problem that the scratch is generated due to the fact that the strip steel is different from the speed of the tension roller in a slipping mode is avoided, the period of the tension roller is prolonged, and the problem that the tension roller is frequently replaced is avoided.
The tin plate production method provided in the embodiment of the application can effectively reduce the number of scratch defects in the tin plate produced by a tin plating production line, so that the economic loss caused by excessive scratch defects in the produced tin plate is reduced.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.
Furthermore, the above-described figures are merely schematic illustrations of processes involved in methods according to exemplary embodiments of the present application, and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed, for example, synchronously or asynchronously in multiple modules.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A tin-plated sheet production method, characterized by comprising:
roughening the surface of the tension roller to improve the roughness of the surface of the tension roller;
the method comprises the following steps of constructing a tinned plate production line, and installing a plurality of tension rollers in the tinned plate production line, wherein the tension rollers are used for providing tension for a tinned plate in the tinned plate production line so as to enable the tinned plate to stably run in the tinned plate production line;
and carrying out tinning processing on the cold-rolled low-carbon thin steel strip through the tinning plate production line to obtain a tinning plate finished product.
2. The method of claim 1, wherein the texturing the tension roll surface comprises:
and roughening the polyurethane rubber on the roller surface of the tension roller in the grinding process of the roller surface of the tension roller to ensure that the roller surface of the tension roller is in an orange peel shape.
3. The method of claim 2, wherein the tension roller corresponds to a roughness grade, wherein a roughness of a surface of the tension roller positively correlates to the roughness grade, and wherein installing a plurality of tension rollers in the tinplate production line comprises:
and according to the production model of the tin plate, installing tension rollers with roughness grades matched with corresponding positions at each position in the tin plate production line.
4. The method of claim 1, wherein the cold rolled low carbon thin steel strip is tin plated to produce a tin plated sheet product comprising:
electroplating the cold-rolled low-carbon thin steel strip to obtain a tinned plate intermediate product;
and passivating the intermediate product of the tinned plate to obtain a tinned plate finished product.
5. The method according to claim 4, wherein said galvanising of the cold rolled low carbon thin steel strip, obtaining a tin plate intermediate, comprises:
electroplating the cold-rolled low-carbon thin steel strip by using a methanesulfonic acid solution so as to form a tin coating on the surface of the cold-rolled low-carbon thin steel strip, thereby obtaining a tin plate intermediate product.
6. The method of claim 4, wherein passivating the intermediate tin plate to obtain a finished tin plate comprises:
and passivating the intermediate product of the tin plate by using a sodium dichromate solution so as to form a layer of passivation film on the surface of the intermediate product of the tin plate and obtain a finished product of the tin plate, wherein the passivation film is used for improving the corrosion resistance of the tin plate.
7. The method of claim 4, wherein prior to electroplating the cold rolled low carbon thin steel strip, the method further comprises:
and carrying out acid cleaning treatment on the cold-rolled low-carbon thin steel strip by using a sulfuric acid solution so as to activate the surface of the cold-rolled low-carbon thin steel strip and improve the adhesive force of the surface of the cold-rolled low-carbon thin steel strip.
8. The method of claim 7, further comprising, prior to pickling the cold rolled low carbon thin steel strip with a sulfuric acid solution:
and performing alkali washing treatment on the surface of the cold-rolled low-carbon thin steel strip by using a sodium hydroxide solution.
9. The method according to any one of claims 1 to 8, wherein the running speed of the tin plate in the tin plating line is controlled to 480m/min.
10. A tin-plated sheet produced by the tin-plated sheet production method according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210924322.XA CN115418685A (en) | 2022-08-03 | 2022-08-03 | Tin plate production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210924322.XA CN115418685A (en) | 2022-08-03 | 2022-08-03 | Tin plate production method |
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| Publication Number | Publication Date |
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| CN115418685A true CN115418685A (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210924322.XA Pending CN115418685A (en) | 2022-08-03 | 2022-08-03 | Tin plate production method |
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| CN (1) | CN115418685A (en) |
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- 2022-08-03 CN CN202210924322.XA patent/CN115418685A/en active Pending
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