CN106149017A - A kind of pre-galvanized system of pyrovinic acid electrotinning - Google Patents
A kind of pre-galvanized system of pyrovinic acid electrotinning Download PDFInfo
- Publication number
- CN106149017A CN106149017A CN201610753571.1A CN201610753571A CN106149017A CN 106149017 A CN106149017 A CN 106149017A CN 201610753571 A CN201610753571 A CN 201610753571A CN 106149017 A CN106149017 A CN 106149017A
- Authority
- CN
- China
- Prior art keywords
- galvanized
- pyrovinic acid
- acid solution
- work nest
- circulating box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/30—Electroplating: Baths therefor from solutions of tin
- C25D3/32—Electroplating: Baths therefor from solutions of tin characterised by the organic bath constituents used
-
- 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
Abstract
The present invention relates to electroplating technology field, particularly relate to the pre-galvanized system of a kind of pyrovinic acid electrotinning, it is characterised in that include that pre-galvanized work nest, pre-galvanized circulating box and pyrovinic acid solution provide device；The inlet and outlet of pre-galvanized work nest connects with pre-galvanized circulating box respectively；Pyrovinic acid solution provides the outlet of device to connect with pre-galvanized circulating box, and pyrovinic acid solution provides in device and is loaded with pyrovinic acid solution；Wherein, pyrovinic acid solution provides device to add pyrovinic acid solution in pre-galvanized work nest by pre-galvanized circulating box.The present invention replaces dilution heat of sulfuric acid of the prior art by using pyrovinic acid solution in pre-galvanized work nest, it can be avoided that pre-galvanized work nest is after connecting with plating vat, sulfate ion in pre-galvanized work nest is brought in plating vat, significantly reduce the content of sulfate ion in electroplate liquid in plating vat, the problem easily producing tin mud when overcoming the plating being caused by sulfate ion.
Description
Technical field
The present invention relates to electroplating technology field, particularly relate to the pre-galvanized system of a kind of pyrovinic acid electrotinning.
Background technology
At present, most-often used electrotinning technique is Fu Luositan method, and its electroplate liquid is broadly divided into phenolsulfonic acid
(Phenol-4-sulfonic Acid, PSA) system and pyrovinic acid (Methanesulfonic Acid, MSA) system.MSA
Tin plating electrolyte is owing to having stronger stability, little to equipment corrosion, and preferable environmental-protecting performance and receive publicity, gradually
Replace PSA tin plating electrolyte.The current density operation window width of MSA tin plating electrolyte, can be plated in wider current density range
Layer.And MSA tin plating technique has good all platings and covering power, simultaneously MSA tin plating technique electricity under higher current density
Plating, sedimentation rate is fast, and energy high-temperature operation, MSA tin plating electrolyte can keep high-concentration metallic ions, substantially can apply to high speed electrodeposition
Technique.But, when using MSA electroplate liquid to electroplate, electroplate liquid easily producing tin mud, the generation of tin mud not only results in plating
The loss of tin in solution of tin, also can cause damage to tin plate.
Content of the invention
The present invention, by providing the pre-galvanized system of a kind of pyrovinic acid electrotinning, solves and utilizes MSA in prior art
The technical problem of tin mud is easily produced during electroplate liquid plating.
Embodiments provide the pre-galvanized system of a kind of pyrovinic acid electrotinning, including pre-galvanized work nest, pre-
Plating cycle case and pyrovinic acid solution provide device；
The inlet and outlet of described pre-galvanized work nest connects with described pre-galvanized circulating box respectively；
Described pyrovinic acid solution provides the outlet of device to connect with described pre-galvanized circulating box, described pyrovinic acid solution
There is provided in device and be loaded with pyrovinic acid solution；
Wherein, described pyrovinic acid solution provides device by described pre-galvanized circulating box in described pre-galvanized work nest
Add described pyrovinic acid solution.
Preferably, described system also includes measuring pump；
Described pyrovinic acid solution provides device to be connected with described pre-galvanized circulating box by described measuring pump.
Preferably, described system also includes flowmeter；
Described measuring pump is connected with described pre-galvanized circulating box by described flowmeter.
Preferably, circulating pump is also included；
Described circulating pump is arranged on the connecting pipeline between described pre-galvanized circulating box and described pre-galvanized work nest.
Preferably, the first controlled valve is also included；
Described first controlled valve is arranged on the communicating pipe between described pre-galvanized work nest and described pre-galvanized circulating box
Lu Shang.
Preferably, second switch valve is also included；
Described second switch valve is arranged on described pre-galvanized circulating box and described pyrovinic acid solution provides between device
Connecting pipeline on.
Preferably, described pyrovinic acid solution provides the described pyrovinic acid solution containing in device is that pyrovinic acid is former
Liquid.
Preferably, in described pre-galvanized work nest, in pyrovinic acid solution, the concentration of pyrovinic acid is 5～8ml/L.
One or more of embodiment of the present invention technical scheme, at least has the following technical effect that or advantage:
The present invention replaces dilute sulfuric acid of the prior art molten by using pyrovinic acid solution in pre-galvanized work nest
Liquid, it can be avoided that pre-galvanized work nest is after connecting with plating vat, the sulfate ion in pre-galvanized work nest is brought into electricity
In plating case, significantly reduce the content of sulfate ion in electroplate liquid in plating vat, overcome and caused by sulfate ion
The problem easily producing tin mud during plating, the content of the tin mud producing when reducing plating, improve the surface quality of tin plate.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the accompanying drawing of required use is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawing.
Fig. 1 is the structural representation of the pre-galvanized system of pyrovinic acid electrotinning in first embodiment of the invention；
Fig. 2 is the structural representation of the pre-galvanized system of pyrovinic acid electrotinning in second embodiment of the invention.
Detailed description of the invention
For solving to utilize MSA electroplate liquid easily to produce the technical problem of tin mud when electroplating in prior art, the present invention provides
A kind of pre-galvanized system of pyrovinic acid electrotinning.
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
First embodiment of the present invention provides the pre-galvanized system of a kind of pyrovinic acid electrotinning, as it is shown in figure 1, described
System includes that pre-galvanized work nest, pre-galvanized circulating box and pyrovinic acid solution provide device.The import of pre-galvanized work nest and
Outlet connects with pre-galvanized circulating box respectively.Pyrovinic acid solution provides the outlet of device to connect with pre-galvanized circulating box, methyl
Sulfonic acid solutions provides in device and is loaded with pyrovinic acid solution.Wherein, pyrovinic acid solution provides device to be circulated by pre-galvanized
Case adds pyrovinic acid solution in pre-galvanized work nest.
It is dilution heat of sulfuric acid due to what pre-galvanized work nest in prior art contained, therefore, pre-galvanized work nest and electricity
After plating case connection, the sulfate ion in pre-galvanized work nest will be brought in plating vat so that the sulfuric acid in electroplate liquid
Radical ion raises, and, higher sulfate ion not only can increase the generation of tin mud, also can reduce electroplating technology window, increases
Plating use cost, the present invention replaces dilute sulphur of the prior art by using pyrovinic acid solution in pre-galvanized work nest
Acid solution, it can be avoided that pre-galvanized work nest is after connecting with plating vat, the sulfate ion in pre-galvanized work nest is brought into
In plating vat, significantly reduce the content of sulfate ion in electroplate liquid in plating vat, utilize the pyrovinic acid of the present invention
The pre-galvanized system of electrotinning is electroplated, and the concentration of the sulfate ion in electroplate liquid can be reduced to 1.5～4g/L, overcomes
The problem easily producing tin mud during the plating that caused by sulfate ion, the content of the tin mud producing when reducing plating, carry
The high surface quality of tin plate.
In embodiments of the present invention, when pre-galvanized circulating box did not contain any solution before plating, can be direct
Control pyrovinic acid solution provides device to add pyrovinic acid solution to pre-galvanized circulating box.And, when pre-galvanized circulating box is at electricity
When being loaded with dilution heat of sulfuric acid before plating, need first the dilution heat of sulfuric acid in pre-galvanized circulating box to be emptied, then use clean water
Pre-galvanized circulating box, controlling pyrovinic acid solution after pre-galvanized circulating box cleans up provides device to add to pre-galvanized circulating box
Methylate sulfonic acid solutions, then, when pre-galvanized circulating box and pre-galvanized work nest open solution circulation, is circulated by pre-galvanized
Case adds pyrovinic acid solution in pre-galvanized work nest.
The present invention also provides second embodiment, as in figure 2 it is shown, in the second embodiment, described pyrovinic acid is electroplated
The pre-galvanized system of tin also includes measuring pump, and pyrovinic acid solution provides device to be connected with pre-galvanized circulating box by measuring pump,
Utilize measuring pump to measure the pyrovinic acid solution adding, be capable of carrying out the liquid volume added of pyrovinic acid solution accurately
Control.In addition, the pre-galvanized system of described pyrovinic acid electrotinning can also include flowmeter, measuring pump by flowmeter with pre-
Plating cycle case connects, and utilizes flowmeter can accurately control the flow of pyrovinic acid solution.The present invention passes through measuring pump and stream
Gauge achieves the accurate control to the pyrovinic acid solution adding.
For first embodiment and second embodiment of the present invention, pyrovinic acid solution provides the first containing in device
Base sulfonic acid solutions is pyrovinic acid stoste, contains pyrovinic acid stoste by providing at pyrovinic acid solution, work as needs in device
The pyrovinic acid solution of low concentration when, it is only necessary to add water and be stirred, facilitate the concentration to pyrovinic acid solution to enter
Row regulation and control.Alternatively, it is also possible to provide the aqueous solution of the pyrovinic acid containing desired concn in device at pyrovinic acid solution.
When pyrovinic acid solution provides device, by pre-galvanized circulating box, to add pyrovinic acid in pre-galvanized work nest molten
After liquid, the concentration of pyrovinic acid solution in monitoring pre-galvanized work nest, in control pre-galvanized work nest in pyrovinic acid solution
The concentration of pyrovinic acid is 5～8ml/L, if the concentration of pyrovinic acid is beyond above-mentioned scope, then provides pyrovinic acid solution
Device adds the metering of pyrovinic acid solution and flow is adjusted, so that the concentration returns of pyrovinic acid solution is to above-mentioned model
Enclosing, the range of flow that pyrovinic acid solution provides device to add pyrovinic acid solution can be 20～60L/h.Generally, pre-galvanized
Pyrovinic acid solution in work nest also can exist iron ion, iron ion in pyrovinic acid solution in control pre-galvanized work nest
Concentration be less than 1g/L.
For first embodiment and second embodiment of the present invention, the pre-galvanized system of described pyrovinic acid electrotinning
Can also include circulating pump, circulating pump is arranged on the connecting pipeline between pre-galvanized circulating box and pre-galvanized work nest, passes through
Circulating pump accelerates the solution circulation between pre-galvanized circulating box and pre-galvanized work nest.For example, circulating pump can be arranged on pre-electricity
On connecting pipeline between the outlet of plating circulating box and the import of pre-galvanized work nest.
Further, the connecting pipeline between pre-galvanized work nest and pre-galvanized circulating box can arrange the first switch valve
Door, utilizes the first controlled valve to be controlled the solution circulation between pre-galvanized work nest and pre-galvanized circulating box, when first
When controlled valve is opened, between pre-galvanized work nest and pre-galvanized circulating box, carry out solution circulation, when the first controlled valve is closed
When, stop solution circulation between pre-galvanized work nest and pre-galvanized circulating box.
Equally, the connecting pipeline between pyrovinic acid solution offer device and pre-galvanized circulating box also can be arranged out
Closing valve, i.e. second switch valve, thus, utilize second switch valve to provide device and pre-galvanized circulation to pyrovinic acid solution
Solution circulation between case is controlled, and when second switch valve opening, pyrovinic acid solution provides device to follow to pre-galvanized
Adding pyrovinic acid solution in ring case, when second switch valve closing, pyrovinic acid solution provides device to stop to pre-galvanized
Circulating box adds pyrovinic acid solution.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage:
The present invention replaces dilute sulfuric acid of the prior art molten by using pyrovinic acid solution in pre-galvanized work nest
Liquid, it can be avoided that pre-galvanized work nest is after connecting with plating vat, the sulfate ion in pre-galvanized work nest is brought into electricity
In plating case, significantly reduce the content of sulfate ion in electroplate liquid in plating vat, overcome and caused by sulfate ion
The problem easily producing tin mud during plating, the content of the tin mud producing when reducing plating, improve the surface quality of tin plate.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into all changes and the modification of the scope of the invention.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these changes and modification.
Claims (8)
1. the pre-galvanized system of a pyrovinic acid electrotinning, it is characterised in that include pre-galvanized work nest, pre-galvanized circulating box
There is provided device with pyrovinic acid solution；
The inlet and outlet of described pre-galvanized work nest connects with described pre-galvanized circulating box respectively；
Described pyrovinic acid solution provides the outlet of device to connect with described pre-galvanized circulating box, and described pyrovinic acid solution provides
Device is loaded with pyrovinic acid solution；
Wherein, described pyrovinic acid solution provides device to be added in described pre-galvanized work nest by described pre-galvanized circulating box
Described pyrovinic acid solution.
2. the pre-galvanized system of pyrovinic acid electrotinning as claimed in claim 1, it is characterised in that described system also includes meter
Amount pump；
Described pyrovinic acid solution provides device to be connected with described pre-galvanized circulating box by described measuring pump.
3. the pre-galvanized system of pyrovinic acid electrotinning as claimed in claim 2, it is characterised in that described system also includes stream
Gauge；
Described measuring pump is connected with described pre-galvanized circulating box by described flowmeter.
4. the pre-galvanized system of pyrovinic acid electrotinning as claimed in claim 1, it is characterised in that also include circulating pump；
Described circulating pump is arranged on the connecting pipeline between described pre-galvanized circulating box and described pre-galvanized work nest.
5. the pre-galvanized system of pyrovinic acid electrotinning as claimed in claim 1, it is characterised in that also include the first switch valve
Door；
Described first controlled valve is arranged on the connecting pipeline between described pre-galvanized work nest and described pre-galvanized circulating box.
6. the pre-galvanized system of pyrovinic acid electrotinning as claimed in claim 1, it is characterised in that also include second switch valve
Door；
Described second switch valve is arranged on described pre-galvanized circulating box and described pyrovinic acid solution provides the company between device
On siphunculus road.
7. the pre-galvanized system of pyrovinic acid electrotinning as claimed in claim 1, it is characterised in that described pyrovinic acid solution
The described pyrovinic acid solution containing in device is provided to be pyrovinic acid stoste.
8. the system as claimed in claim 1, it is characterised in that methyl sulphur in pyrovinic acid solution in described pre-galvanized work nest
The concentration of acid is 5～8ml/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753571.1A CN106149017B (en) | 2016-08-29 | 2016-08-29 | A kind of pre-galvanized system of methane sulfonic acid electrotinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753571.1A CN106149017B (en) | 2016-08-29 | 2016-08-29 | A kind of pre-galvanized system of methane sulfonic acid electrotinning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106149017A true CN106149017A (en) | 2016-11-23 |
| CN106149017B CN106149017B (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610753571.1A Active CN106149017B (en) | 2016-08-29 | 2016-08-29 | A kind of pre-galvanized system of methane sulfonic acid electrotinning |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893246A (en) * | 2017-10-24 | 2018-04-10 | 首钢京唐钢铁联合有限责任公司 | A kind of low lead Tinplate Production method |
| CN110029381A (en) * | 2019-04-25 | 2019-07-19 | 首钢集团有限公司 | A kind of production method of high tin coating weight tin plate |
| CN113564645A (en) * | 2021-07-13 | 2021-10-29 | 张家港扬子江冷轧板有限公司 | Control method for reducing lead content on surface of tinplate |
| CN114351232A (en) * | 2022-01-14 | 2022-04-15 | 张家港扬子江冷轧板有限公司 | Circulation system and circulation method for electrolytic tinning pre-electroplating rinsing water |
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| JPS53113729A (en) * | 1977-03-16 | 1978-10-04 | Nippon Steel Corp | Electrotinplating method |
| CN102586851A (en) * | 2011-01-06 | 2012-07-18 | 宝山钢铁股份有限公司 | Electrolytic method for relieving and reducing tin sludge generated in tin plating solution |
| CN103668419A (en) * | 2012-08-30 | 2014-03-26 | 宝山钢铁股份有限公司 | Device and method for reducing production of tin sludge in preparation process of tin plating solution |
| TW201500598A (en) * | 2013-05-09 | 2015-01-01 | Ebara Corp | Sn alloy plating apparatus and Sn alloy plating method |
-
2016
- 2016-08-29 CN CN201610753571.1A patent/CN106149017B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53113729A (en) * | 1977-03-16 | 1978-10-04 | Nippon Steel Corp | Electrotinplating method |
| CN102586851A (en) * | 2011-01-06 | 2012-07-18 | 宝山钢铁股份有限公司 | Electrolytic method for relieving and reducing tin sludge generated in tin plating solution |
| CN103668419A (en) * | 2012-08-30 | 2014-03-26 | 宝山钢铁股份有限公司 | Device and method for reducing production of tin sludge in preparation process of tin plating solution |
| TW201500598A (en) * | 2013-05-09 | 2015-01-01 | Ebara Corp | Sn alloy plating apparatus and Sn alloy plating method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893246A (en) * | 2017-10-24 | 2018-04-10 | 首钢京唐钢铁联合有限责任公司 | A kind of low lead Tinplate Production method |
| CN110029381A (en) * | 2019-04-25 | 2019-07-19 | 首钢集团有限公司 | A kind of production method of high tin coating weight tin plate |
| CN113564645A (en) * | 2021-07-13 | 2021-10-29 | 张家港扬子江冷轧板有限公司 | Control method for reducing lead content on surface of tinplate |
| CN114351232A (en) * | 2022-01-14 | 2022-04-15 | 张家港扬子江冷轧板有限公司 | Circulation system and circulation method for electrolytic tinning pre-electroplating rinsing water |
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| CN106149017B (en) | 2019-03-05 |
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