CN107313107A - A kind of molten zinc technology method outside line - Google Patents
A kind of molten zinc technology method outside line Download PDFInfo
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- CN107313107A CN107313107A CN201710518145.4A CN201710518145A CN107313107A CN 107313107 A CN107313107 A CN 107313107A CN 201710518145 A CN201710518145 A CN 201710518145A CN 107313107 A CN107313107 A CN 107313107A
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- zinc
- molten zinc
- groove
- molten
- technology groove
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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
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/12—Process control or regulation
- C25D21/14—Controlled addition of electrolyte components
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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
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a kind of molten zinc technology method outside line, this method is comprised the following steps that:1）, the part of selection first passed through to workshop etching room before plating carry out the operation such as electrochemical deoiling, acid pickling and rust removing and neutralization；2）, to step 1）When middle workpiece is zinc-plated, it is necessary first to which a molten zinc technology groove is set outside electroplating technology groove；3）, to step 2）In molten zinc technology groove among add the reaction material such as sodium hydroxide, additive and zinc ball needed；4）, to step 3）In molten zinc technology groove on install to be provided with a set of auto feed monitoring maintenance system, controller and answer pressure sensor, the system autostop when pressure is excessive.5）, to step 3）The molten zinc technology groove that middle arrangement is completed is connected among electroplating technology groove by circulating line；6）, by step 4）In the fluid connection among the decoction among molten zinc technology groove and electroplating technology groove is got up to constitute a set of circulatory system by circulating pump stream.
Description
Technical field
The present invention relates to line external galvanized layer technology field, molten zinc technology method outside specially a kind of line.
Background technology
The outer activation method of line is also molten zinc method outside line, and this is for well-established law is zinc-plated.In the zinc-plated coating bath of well-established law less not
Zinc anode plate, passes through the zinc ion that electrolysis and chemical reaction make zine plate dissolving supplement plating solution constantly consume.
The outer activation method zincate galvanizing of line is then different from well-established law, does not have the zinc anode of solubility in coating bath, the source of zinc is
Zinc ion is provided by activated bath outside line to supplement plating solution.
This technique about nearly more than 80 plating processing enterprise in the colleague of the whole nation, is powered for original technology groove
Molten zinc technology production efficiency is low, and operation is difficult, the high shortcoming of maintenance cost cost, it is impossible to meet production requirement, in order to increase production
Can, the technology of molten zinc outside line is improved, the new technology of molten zinc outside line is changed to molten zinc technology in technology groove, with energy-saving consumption-reducing,
Cost is reduced, product quality is improved, so as to carry galvanizing quality and yield.
The content of the invention
It is an object of the invention to provide a kind of molten zinc technology method outside line, to solve the work proposed in above-mentioned background technology
Skill groove is powered, and molten zinc technology production efficiency is low, and operation is difficult, the high shortcoming of maintenance cost cost, it is impossible to meet asking for production requirement
Topic.
To achieve the above object, the present invention provides following technical scheme：A kind of molten zinc technology method outside line, the technology
Step includes：
1）, the part of selection first passed through to workshop etching room before plating carry out the operation such as electrochemical deoiling, acid pickling and rust removing and neutralization；
2）, to step 1）When middle workpiece is zinc-plated, it is necessary first to which a molten zinc technology groove, the molten zinc work are set outside electroplating technology groove
Skill groove is made up of molten zinc groove, Heat Room, dosing room and filtering type；
3）, to step 2）In activated bath among add the reaction material such as sodium hydroxide, additive and zinc ball needed；
4）, to step 3）In molten zinc technology groove on install that be provided with a set of auto feed monitoring maintenance system, controller should
Pressure sensor, the system autostop when pressure is excessive；
5）, to step 3）The molten zinc technology groove that middle arrangement is completed is connected among electroplating technology groove by circulating line；
6）, by step 4）In by circulating pump stream by the fluid connection among the decoction among molten zinc technology groove and electroplating technology groove
Get up and constitute a set of circulatory system；
7）, to step 5）In connection electroplating technology groove in be put into and need zinc-plated workpiece；
8）, to step 6）In the workpiece that is put into through reaction it is zinc-plated after be drawn off drying and place.
It is preferred that, the step 2）In, molten zinc groove be metallic zinc activation for zinc ion place, be internally provided with 4 it is molten
Zinc is blue, and each molten zinc indigo plant is divided into 4 layers, and every layer can be put into 4 zinc balls, and molten zinc indigo plant is put among molten zinc groove, and molten zinc groove kind should have foot
Enough capacity, enable the zinc of dissolving to meet the demand of output, and the design of molten zinc groove typically constitutes from half of activated bath or so, used
When can be internal zinc cage add zinc ball.
It is preferred that, the step 2）In, heat exchanger tube is covered with inside Heat Room, passes through automatic valve and cooling or firing equipment
Connection, the temperature of plating solution can be automatically controlled by pertinent instruments.
It is preferred that, the step 2）In, dosing room is can be in the case where not stopping production, the chemical drugs added needed for technique
Product, such as sodium hydroxide, additive, in addition dosing room can be put into not dosing zinc cage, play a part of molten zinc groove.
It is preferred that, step 2）In, the filter bag being made of filter bag is disposed with filter chamber, is effectively filtered out in plating solution
Mechanical admixture such as zinc mud, dust, sediment etc., filter bag is stuck on filter by metal clamps, it is easy to just can be by it
Progress cleaning recycling is removed, plating solution is pumped into molten zinc groove using filtration system, after alkali lye solving zinc ball, increases tank liquor
In Zn content, the zinc ion in tank liquor is remained in the range of technological requirement, so as to reduce maintenance cost.
Compared with prior art, the beneficial effects of the invention are as follows：
The offer that molten zinc technology method can be stablized in serialization, the plating production of automation outside the line is adapted to technology controlling and process
Zinc ion；By increased a set of filtration system, the state of technique tank liquor is set to remain in the range of technological requirement；It can reduce
Safeguard that the electrolysis frequency of plating solution reduces power consumption；And production-line arrangement can be made compact, shorten the length of production line, fully profit
With the space outside main line；It is easily controlled the mass concentration of zinc oxide, it is to avoid the too low harmful effect of its too high levels, makes plating fluidity
Can be stable, in controlled state；Aqueduct volume can be reduced, plating solution total amount can be increased again, the change of plating solution factor has been buffered, increased
The stability of plating solution is added；Immersion insoluble anode form is used in coating bath, it is to avoid zinc anode is excessively molten when well-established law is zinc-plated
And passivation phenomenon, and often wiping anode thick stick and dislodging zine plate are required no, reduce labor intensity；Flow of the electrolyte is good, and cleaning is dry
Net plating solution is conducive to eliminating concentration polarization, can improve electroplating quality；Use the cast zinc of high-purity, such as zinc ball, zinc granule, zinc ball
Spelter etc., will not produce zine plate head, eliminate the trouble for making zine plate hook, saved raw material.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
The present invention provides a kind of technical scheme：Molten zinc technology method, comprises the following steps outside a kind of line：
1）, the part of selection first passed through to workshop etching room before plating carry out the operation such as electrochemical deoiling, acid pickling and rust removing and neutralization, step
It is rapid as follows：Polishing → the moon electrolytic degreasing → ultrasonic oil removal → positive electricity solution → acid activation；
2）, to step 1）When middle workpiece is zinc-plated, it is necessary first to which a molten zinc technology groove, the molten zinc work are set outside electroplating technology groove
Skill groove is made up of molten zinc groove, Heat Room, dosing room and filtering type,；
3）, to step 2）In molten zinc technology groove among add the reaction material such as sodium hydroxide, additive and zinc ball needed；
4）, to step 3）In molten zinc technology groove on install that be provided with a set of auto feed monitoring maintenance system, controller should
Pressure sensor, the system autostop when pressure is excessive is easy to control the Zn content and electroplating quality among molten zinc technology groove；
5）, to step 3）It is middle arrangement complete molten zinc technology groove be connected to by circulating line among electroplating technology groove, be easy to for
Electroplating technology groove provides enough electroplating solutions；
6）, by step 4）In by circulating pump stream by the fluid connection among the decoction among molten zinc technology groove and electroplating technology groove
Get up and constitute a set of circulatory system；
7）, to step 5）In connection electroplating technology groove in be put into and need zinc-plated workpiece；
8）, to step 6）In the workpiece that is put into through reaction it is zinc-plated after be drawn off drying and place.
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacing, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc. should be included in this
Within the protection domain of invention.
Claims (5)
1. a kind of molten zinc technology method outside line, it is characterised in that：Comprise the following steps：
1）, the part of selection first passed through to workshop etching room before plating carry out the operation such as electrochemical deoiling, acid pickling and rust removing and neutralization；
2）, to step 1）When middle workpiece is zinc-plated, it is necessary first to which a molten zinc technology groove, the molten zinc work are set outside electroplating technology groove
Skill groove is made up of molten zinc groove, Heat Room, dosing room and filtering type；
3）, to step 2）In activated bath among add the reaction material such as sodium hydroxide, additive and zinc ball needed；
4）, to step 3）In molten zinc technology groove on install that be provided with a set of auto feed monitoring maintenance system, controller should
Pressure sensor, the system autostop when pressure is excessive；
5）, to step 3）The molten zinc technology groove that middle arrangement is completed is connected among electroplating technology groove by circulating line；
6）, by step 4）In by circulating pump stream by the fluid connection among the decoction among molten zinc technology groove and electroplating technology groove
Get up and constitute a set of circulatory system；
7）, to step 5）In connection electroplating technology groove in be put into and need zinc-plated workpiece；
8）, to step 6）In the workpiece that is put into through reaction it is zinc-plated after be drawn off drying and place.
2. molten zinc technology method outside a kind of line according to claim 1, it is characterised in that：The step 2）In, molten zinc groove
It is that metallic zinc activation is the place of zinc ion, is internally provided with 4 molten zinc indigo plants, each molten zinc indigo plant is divided into 4 layers, and every layer can be put into 4
Individual zinc ball, molten zinc indigo plant is put among molten zinc groove, and molten zinc groove kind should have enough capacity, the zinc of dissolving is met the need of output
Ask, the design of molten zinc groove typically constitutes from half of activated bath or so, zinc cage that can be internal when using adds zinc ball.
3. molten zinc technology method outside a kind of line according to claim 1, it is characterised in that：The step 2）In, Heat Room
Inside is covered with heat exchanger tube, is connected by automatic valve with cooling or firing equipment, and plating solution can be automatically controlled by pertinent instruments
Temperature.
4. molten zinc technology method outside a kind of line according to claim 1, it is characterised in that：The step 2）In, dosing room
Being can be in the case where stopping production, the chemicals added needed for technique, such as sodium hydroxide, additive, and dosing room can in addition
Put zinc cage into not dosing, play a part of molten zinc groove.
5. molten zinc technology method outside a kind of line according to claim 1-4, it is characterised in that：Step 2）In, in filter chamber
The filter bag being made of filter bag is disposed with, mechanical admixture such as zinc mud, dust, sediment etc. in plating solution is effectively filtered out,
Filter bag is stuck on filter by metal clamps, it is easy to just can be removed progress cleaning recycling, be using filtering
Plating solution is pumped into molten zinc groove by system, after alkali lye solving zinc ball, the Zn content in increase tank liquor, makes zinc ion in tank liquor all the time
It is maintained in the range of technological requirement, so as to reduce maintenance cost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710518145.4A CN107313107A (en) | 2017-06-29 | 2017-06-29 | A kind of molten zinc technology method outside line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710518145.4A CN107313107A (en) | 2017-06-29 | 2017-06-29 | A kind of molten zinc technology method outside line |
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| Publication Number | Publication Date |
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| CN107313107A true CN107313107A (en) | 2017-11-03 |
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| CN201710518145.4A Withdrawn CN107313107A (en) | 2017-06-29 | 2017-06-29 | A kind of molten zinc technology method outside line |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148775A (en) * | 2006-09-19 | 2008-03-26 | 宝山钢铁股份有限公司 | Explosion-resisting method and device for electro-galvanizing zinc dissolving station |
| CN101397691A (en) * | 2007-09-24 | 2009-04-01 | 长江润发集团有限公司 | Apparatus and technology for controlling and improving plating solution PH value on fingerprint resistant production chain |
| CN101407934A (en) * | 2008-11-04 | 2009-04-15 | 中冶连铸技术工程股份有限公司 | Electro-galvanizing liquid automatic allocating and updating system |
| CN202323079U (en) * | 2011-11-17 | 2012-07-11 | 天津市大港镀锌厂 | High-uniformity zinc plating device |
| CN103643282A (en) * | 2013-12-10 | 2014-03-19 | 中国航空工业标准件制造有限责任公司 | Electroplating device for galvanization of alkaline solution |
| CN203715761U (en) * | 2013-12-10 | 2014-07-16 | 中国航空工业标准件制造有限责任公司 | Electroplating device for galvanization by alkaline solution |
| CN104060318A (en) * | 2014-07-07 | 2014-09-24 | 南通创源电化学科技有限公司 | Electroplating tank for alkaline zinc-plated electroplating liquid high in purity |
-
2017
- 2017-06-29 CN CN201710518145.4A patent/CN107313107A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148775A (en) * | 2006-09-19 | 2008-03-26 | 宝山钢铁股份有限公司 | Explosion-resisting method and device for electro-galvanizing zinc dissolving station |
| CN101397691A (en) * | 2007-09-24 | 2009-04-01 | 长江润发集团有限公司 | Apparatus and technology for controlling and improving plating solution PH value on fingerprint resistant production chain |
| CN101407934A (en) * | 2008-11-04 | 2009-04-15 | 中冶连铸技术工程股份有限公司 | Electro-galvanizing liquid automatic allocating and updating system |
| CN202323079U (en) * | 2011-11-17 | 2012-07-11 | 天津市大港镀锌厂 | High-uniformity zinc plating device |
| CN103643282A (en) * | 2013-12-10 | 2014-03-19 | 中国航空工业标准件制造有限责任公司 | Electroplating device for galvanization of alkaline solution |
| CN203715761U (en) * | 2013-12-10 | 2014-07-16 | 中国航空工业标准件制造有限责任公司 | Electroplating device for galvanization by alkaline solution |
| CN104060318A (en) * | 2014-07-07 | 2014-09-24 | 南通创源电化学科技有限公司 | Electroplating tank for alkaline zinc-plated electroplating liquid high in purity |
Non-Patent Citations (3)
| Title |
|---|
| 张允诚 等: "《电镀手册》", 31 December 2011, 国防工业出版社 * |
| 张小勇: "溶锌技术在无氰碱性镀锌中的应用", 《电镀与涂饰》 * |
| 陈亚 等: "碱性无氰镀锌添加剂及溶锌槽的应用", 《 2004年全国电子电镀学术研讨会论文集》 * |
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Application publication date: 20171103 |
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