CN117702207A - Single-sided galvanization operation method for galvanization of horizontal plating tank - Google Patents
Single-sided galvanization operation method for galvanization of horizontal plating tank Download PDFInfo
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- CN117702207A CN117702207A CN202311796935.0A CN202311796935A CN117702207A CN 117702207 A CN117702207 A CN 117702207A CN 202311796935 A CN202311796935 A CN 202311796935A CN 117702207 A CN117702207 A CN 117702207A
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- Prior art keywords
- sided
- plating tank
- galvanization
- anode plate
- tank
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- 238000007747 plating Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 26
- 229920001342 Bakelite® Polymers 0.000 claims abstract description 32
- 239000004637 bakelite Substances 0.000 claims abstract description 32
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000011701 zinc Substances 0.000 claims abstract description 29
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 29
- 230000000694 effects Effects 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 238000005246 galvanizing Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 230000009466 transformation Effects 0.000 claims abstract description 4
- 238000009713 electroplating Methods 0.000 claims description 18
- 230000003068 static effect Effects 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 16
- 239000000047 product Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000011247 coating layer Substances 0.000 description 3
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 3
- 229910000457 iridium oxide Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
- 235000009529 zinc sulphate Nutrition 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a single-sided galvanization operation method of horizontal galvanization tank, which relates to the technical field of galvanization, and comprises the following steps of realizing normal production under the condition that a single-sided anode plate is not electrified by changing the single-sided anode plate of the galvanization tank, thereby realizing the special requirement of single-sided galvanization of a user; step one, stopping a production line, and disassembling a tank anode plate on a plating tank; step two, using a bakelite plate to replace the anode plate, and mounting the anode plate to an upper plating tank; step three, the plating tank is assembled again; step four, opening the plating tank for liquid starting, and switching off the upper plating tank; or the upper anode plate removing operation is not carried out, and only 5% of small current is kept; and fifthly, setting the zinc layer of the lower plating tank according to the contract zinc layer, wherein the single-sided non-galvanized plate surface effect is achieved through the transformation of the single-sided anode plate of the electro-galvanizing plating tank, and under the condition that the electro-galvanizing single-sided plating tank is powered off, the single-sided use requirement of a user is ensured, the electro-galvanizing product field is expanded, and the product profit level is improved.
Description
Technical Field
The invention relates to the technical field of electrogalvanizing, in particular to a single-sided electrogalvanizing operation method of a horizontal plating tank.
Background
The electrogalvanized product is widely applied to the electronic and electrical industries, in particular to the fields of computers, audio-visual equipment, OA equipment and the like, with excellent fingerprint resistance, conductivity, blackening resistance and corrosion resistance and excellent coating performance. The yield and the quality of the Handrail electrogalvanizing line are gradually improved after the production of the Handrail electrogalvanizing line, and market acceptance is obtained. However, as the market is further expanded, the product of the steel electrogalvanizing is also extended from the original low-end product to the high-end household appliances and the automobile industry. However, when single-sided galvanization is performed by galvanization, the problem that a flanging phenomenon of a zinc layer on one side which is not galvanized and the flanging size are large can occur.
Disclosure of Invention
The invention provides a single-sided galvanization operation method for horizontal galvanization in a galvanization tank, which aims to solve the problems that a flanging phenomenon of a zinc layer on one non-galvanization side can occur and the flanging size is larger when single-sided galvanization is carried out in galvanization.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the single-sided galvanization operation method for the horizontal galvanization tank realizes normal production of the single-sided anode plate under the condition of no power on by changing the single-sided anode plate of the galvanization tank, thereby realizing the special requirement of single-sided galvanization of a user. Comprises the following process steps of;
step one, stopping a production line, and disassembling a tank anode plate on a plating tank;
step two, using a bakelite plate to replace the anode plate, and mounting the anode plate to an upper plating tank;
step three, the plating tank is assembled again;
step four, opening the plating tank for liquid starting, and switching off the upper plating tank; or the upper anode plate removing operation is not carried out, and only 5% of small current is kept;
fifthly, setting a zinc layer of the lower plating tank according to the zinc contract layer.
Preferably, when the single-sided zinc contract layer exceeds 20 g/square meter, secondary galvanization is required.
The effects achieved by the above are: the quality of the galvanized finished product is ensured by performing secondary galvanization, and then the galvanization operation method is improved.
Preferably, the upper aqueduct is used for replacing the bakelite plate and powering off.
The effects achieved by the above are: avoiding the condition that iridium oxide on the surface of the anode plate is damaged when the anode plate is not electrified.
Preferably, each aqueduct keeps the static pressure effect of the upper aqueduct and the lower aqueduct.
The effects achieved by the above are: after the upper aqueduct and the lower aqueduct keep static pressure, the use effect of the electroplating bath can be improved, and then single-sided galvanization can be better carried out on objects.
Preferably, the bakelite plate has the characteristic of no deformation under heating.
The effects achieved by the above are: the bakelite plate has good high temperature resistance, impact resistance and wear resistance, and can be used in electrogalvanizing for a long time, so that the use cost in electrogalvanizing is reduced.
Preferably, the bakelite plate has a size 8 times that of a single anode plate.
The effects achieved by the above are: when the bakelite plate is installed, the size of the bakelite plate is eight times larger than that of a single anode plate, so that the bakelite plate can be installed more quickly, the time consumed during single-sided electroplating can be reduced, and the electroplating efficiency during single-sided electroplating can be improved.
Preferably, the upper aqueduct is not electrified, and the lower aqueduct is normally electrified for electroplating.
The effects achieved by the above are: only one side of the electroplated object can be electroplated by powering off one half of the aqueduct, and then single-sided electroplating of the object can be completed.
In summary, the beneficial effects of the invention are as follows:
through the transformation of the single-sided anode plate of the electrogalvanizing plating tank, the effect of a single-sided non-galvanized plate is achieved, and under the condition that the power of the electrogalvanizing single-sided plating tank is cut off, the single-sided galvanizing of the other side is realized, so that the single-sided use requirement of a user is ensured, the electrogalvanizing product field is expanded, and the product profit level is improved.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a single-sided galvanization operation method of a horizontal galvanization tank, which realizes normal production of the single-sided anode plate under the condition of no power on by changing the single-sided anode plate of the galvanization tank, thereby realizing the special requirements of single-sided galvanization of users, and specifically comprises the following process steps of;
step one, stopping a production line, and disassembling a tank anode plate on a plating tank;
step two, using a bakelite plate to replace the anode plate, and mounting the anode plate to an upper plating tank;
step three, the plating tank is assembled again;
step four, opening the plating tank for liquid starting, and switching off the upper plating tank; or the upper anode plate removing operation is not carried out, and only 5% of small current is kept;
fifthly, setting a zinc layer of the lower plating tank according to the zinc contract layer.
Preferably, when the single-sided zinc contract layer exceeds 20 g/square meter, secondary galvanization is required.
The effects achieved by the above are: the quality of the galvanized finished product is ensured by performing secondary galvanization, and then the galvanization operation method is improved.
Preferably, the upper aqueduct is used for replacing the bakelite plate and powering off.
The effects achieved by the above are: avoiding the condition that iridium oxide on the surface of the anode plate is damaged when the anode plate is not electrified.
Preferably, each aqueduct keeps the static pressure effect of the upper aqueduct and the lower aqueduct.
The effects achieved by the above are: after the upper aqueduct and the lower aqueduct keep static pressure, the use effect of the electroplating bath can be improved, and then single-sided galvanization can be better carried out on objects.
Preferably, the bakelite plate has the characteristic of no deformation under heating.
The effects achieved by the above are: the bakelite plate has good high temperature resistance, impact resistance and wear resistance, and can be used in electrogalvanizing for a long time, so that the use cost in electrogalvanizing is reduced.
Preferably, the bakelite plate has a size 8 times that of a single anode plate.
The effects achieved by the above are: when the bakelite plate is installed, the size of the bakelite plate is eight times larger than that of a single anode plate, so that the bakelite plate can be installed more quickly, the time consumed during single-sided electroplating can be reduced, and the electroplating efficiency during single-sided electroplating can be improved.
Preferably, the upper aqueduct is not electrified, and the lower aqueduct is normally electrified for electroplating.
The effects achieved by the above are: only one side of the electroplated object can be electroplated by powering off one half of the aqueduct, and then single-sided electroplating of the object can be completed.
In summary, the beneficial effects of the invention are as follows:
through the transformation of the single-sided anode plate of the electrogalvanizing plating tank, the effect of a single-sided non-galvanized plate is achieved, and under the condition that the power of the electrogalvanizing single-sided plating tank is cut off, the single-sided galvanizing of the other side is realized, so that the single-sided use requirement of a user is ensured, the electrogalvanizing product field is expanded, and the product profit level is improved.
For ease of understanding, the invention is further illustrated by the following specific examples in which the electrogalvanized double-sided zinc coating is generally controlled to 20/20, i.e. 20 grams per square meter of each of the upper and lower zinc layers.
Example 1
The zinc coating layer is controlled to be 20 g according to the single-sided zinc coating layer, namely, the zinc coating layer is controlled to be 0/20 g/square meter.
Stopping plating solution beating of the pre-plating tank and the electroplating tank 1-8# and stopping a production line, and hanging down the pre-plating tank and the electroplating tank 1-8 #;
step two, detaching all anode plates of all upper slots (the number of anode plates of each slot body is 32);
step three, mounting the prefabricated bakelite plates at the positions of the anode plates of the upper tanks (4 bakelite plates are mounted for convenient mounting and dismounting, and the size of each bakelite plate is 8 times that of a single anode plate);
step four, hanging each upper groove of the mounted bakelite plate back to a production line;
step five, each plating tank is filled with liquid, a production line is started, no current is conducted to an upper tank after the production line is started, and only the current is conducted to a lower tank for normal electroplating;
and step six, setting 20 g/square meter of zinc layer in the lower groove.
Example 2
The method of single-sided galvanization operation of the horizontal galvanization in this embodiment is basically the same as that of embodiment 1, and the difference between them is that: the weights of the single-sided galvanized layers are different; the single-sided galvanization operation method of the horizontal galvanization of the embodiment is as follows:
controlling 0/40 g according to 40 g of single-sided zinc coating, namely controlling the zinc coating;
stopping plating solution beating of the pre-plating tank and the 1-8# plating tank, stopping a production line of ZnSO4 solution 7H20, and hanging down the pre-plating tank and the upper tank of the 1-8# plating tank;
step two, detaching all anode plates of all upper tanks (32 anode plates of each tank body are tiled in the tank body frame);
step three, mounting the prefabricated bakelite plates at the positions of the anode plates of the upper tanks (4 bakelite plates are paved in each plating tank for convenient mounting and dismounting, and the size of each bakelite plate is 8 times of that of a single anode plate);
step four, hanging each upper groove of the mounted bakelite plate back to a production line;
step five, each plating tank is filled with liquid, a production line is started, no current is conducted to an upper tank after the production line is started, and only the current is conducted to a lower tank for normal electroplating;
step six, setting 20 g/square meter of zinc layer in the lower groove;
and seventhly, performing secondary electrogalvanizing, and similarly performing current passing through each lower groove, wherein the upper groove is not in a current passing mode, and the zinc layer is set to be 20 g/square meter.
Example 3
The method of single-sided galvanization operation of the horizontal galvanization in this embodiment is basically the same as that of embodiment 1, and the difference between them is that: the weights of the single-sided galvanized layers are different; the single-sided galvanization operation method of the horizontal galvanization of the embodiment is as follows:
the zinc coating is controlled to be 0/(20-40) g according to 20-40 g of the single-sided zinc coating, namely the zinc coating.
Step one, setting the current of the anode plate on the pre-plating tank and the 1-8# plating tank to 5%;
setting 80% of current of the anode plate under the electroplating bath, and setting 20-40 g/square meter of zinc layer;
and thirdly, controlling the process speed of the production line to be 25-35 m/min.
Description:
in order to prevent the plating solution in each plating tank from being subjected to the action of gravity, one surface which is not required to be galvanized is plated with a zinc layer, the bakelite plate is generally replaced by the upper plating tank and is powered off (if the anode plate is directly used without power, iridium oxide on the surface of the anode plate is damaged), and secondly, the static pressure effect of the upper plating tank and the lower plating tank is maintained by each plating tank due to the process characteristics of the electro-galvanizing, so that the anode plate is required to be replaced by the bakelite plate, and the bakelite plate has the characteristics of no deformation after being heated and is superior to other replacing materials.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. A single-sided galvanization operation method for galvanization of a horizontal plating tank is characterized in that: the normal production of the single-sided anode plate under the condition of no power on is realized by the transformation of the single-sided anode plate of the electrogalvanizing plating tank, thereby realizing the special requirement of single-sided galvanizing of a user, and comprising the following process steps of;
step one, stopping a production line, and disassembling a tank anode plate on a plating tank;
step two, using a bakelite plate to replace the anode plate, and mounting the anode plate to an upper plating tank;
step three, the plating tank is assembled again;
step four, opening the plating tank for liquid starting, and switching off the upper plating tank; or the upper anode plate removing operation is not carried out, and only 5% of small current is kept;
fifthly, setting a zinc layer of the lower plating tank according to the zinc contract layer.
2. The horizontal type plating tank electrogalvanizing single-sided galvanizing operation method as defined in claim 1, which is characterized in that: when the single-sided zinc contract layer exceeds 20 g/square meter, secondary galvanization is required.
3. The horizontal type plating tank electrogalvanizing single-sided galvanizing operation method as defined in claim 1, which is characterized in that: the single-sided galvanization is carried out once or twice, the galvanization of the lower surface is ensured, and the flanging of the zinc layer on the upper surface is less than or equal to 2mm.
4. The horizontal type plating tank electrogalvanizing single-sided galvanizing operation method as defined in claim 1, which is characterized in that: and the upper aqueduct is used for replacing the bakelite plate and powering off.
5. The horizontal type plating tank electrogalvanizing single-sided galvanizing operation method as defined in claim 1, which is characterized in that: and each aqueduct keeps the static pressure effect of the upper aqueduct and the lower aqueduct.
6. The horizontal type plating tank electrogalvanizing single-sided galvanizing operation method as defined in claim 1, which is characterized in that: the bakelite plate has the characteristic of no deformation when heated.
7. The horizontal type plating tank electrogalvanizing single-sided galvanizing operation method as defined in claim 1, which is characterized in that: the bakelite plate is 8 times of the size of the single anode plate.
8. The horizontal type plating tank electrogalvanizing single-sided galvanizing operation method as defined in claim 1, which is characterized in that: the upper aqueduct is not electrified, and the lower aqueduct is normally electrified to carry out electroplating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311796935.0A CN117702207A (en) | 2023-12-25 | 2023-12-25 | Single-sided galvanization operation method for galvanization of horizontal plating tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311796935.0A CN117702207A (en) | 2023-12-25 | 2023-12-25 | Single-sided galvanization operation method for galvanization of horizontal plating tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117702207A true CN117702207A (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311796935.0A Pending CN117702207A (en) | 2023-12-25 | 2023-12-25 | Single-sided galvanization operation method for galvanization of horizontal plating tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117702207A (en) |
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2023
- 2023-12-25 CN CN202311796935.0A patent/CN117702207A/en active Pending
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