CN109603554A - A kind of electroplate liquid intelligent filtering device - Google Patents
A kind of electroplate liquid intelligent filtering device Download PDFInfo
- Publication number
- CN109603554A CN109603554A CN201910077978.0A CN201910077978A CN109603554A CN 109603554 A CN109603554 A CN 109603554A CN 201910077978 A CN201910077978 A CN 201910077978A CN 109603554 A CN109603554 A CN 109603554A
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- medicine
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- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 238000001914 filtration Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 22
- 230000008676 import Effects 0.000 claims abstract description 22
- 239000003814 drug Substances 0.000 claims description 68
- 229940079593 drug Drugs 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 7
- 238000010926 purge Methods 0.000 claims description 7
- 239000013589 supplement Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 23
- 238000009713 electroplating Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000003020 moisturizing effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008275 solid aerosol Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/40—Automatic control of cleaning processes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to filter device technical fields, refer in particular to a kind of electroplate liquid intelligent filtering device；Including filter pump, cyclic water tank, secondary filter film group and multiple valve pipes；Cyclic water tank is provided with inlet and outlet；The outlet of cyclic water tank and the import of filter pump are connected by pipeline, are provided with cross-flow valve on pipeline；External water inlet is connected between cross-flow valve and filtering pump inlet by pipeline, is provided with inlet valve on the pipeline；Secondary filter film group lower end is provided with water inlet, upper end is provided with concentrated water spout, and upper and lower two side, which is provided with, produces the mouth of a river, the outlet connection of secondary filter film group lower end water inlet and filter pump；Secondary filter film group upper end concentrated water spout is connect through piping with cyclic water tank import, is provided with return valve on the pipeline；Side produces the mouth of a river and is connect by pipeline with the outside production mouth of a river in secondary filter film group, and production water valve is provided on the pipeline；The present invention can save cost, the cost of labor of replacement filter core, and reduce electroplate liquid and be lost waste.
Description
Technical field
The present invention relates to filter device technical fields, refer in particular to a kind of electroplate liquid intelligent filtering device.
Background technique
Plating, is, using workpiece to be plated as cathode, to pass through certain waveform in the electrolyte containing certain metal ion species
Low-voltage DC is constantly deposited into the process of metal so that metal ion obtains electronics in cathode.In the plating process,
The effects of solia particle in electroplate liquid in suspension passes through diffusion, convection current, electrophoresis is co-deposited to cathode surface and electroplated layer
Or it is attached to coating surface, it may appear that many failures, so as to cause doing over again or workpiece is scrapped.Bright property is electroplated, electroplate liquid
In suspended matter, gently then reduce the bright property of coating, it is heavy then product is unqualified；Printed wiring board is electroplated, it is outstanding in electroplate liquid
Floating object is deposited or is attached on printed wiring board, wiring board short circuit or open circuit is directly resulted in, so as to cause printed wiring blackboard newspaper
It is useless.It is easy to cause production efficiency to decline in this way, cost increase.Therefore how to guarantee the cleanliness of electroplate liquid, reduce failure rate, subtract
It does over again less, improves quality, reduce overall cost, improve the market competitiveness, filter plant has very important status.
However, traditional filtering equipment used in current electroplating enterprise, is all manual hand manipulation mostly, wherein filtering filter
Core use winded filtering core or PP cotton core, using pressure type filter type, structure is simple, but be wound around or PP cotton core filtering accuracy not
The cleanliness of height, electroplate liquid cannot be effectively ensured, and need periodically manually to unpick and wash replacement, and replacement process is complicated for operation, safety
Coefficient is very low, there is very major break down hidden danger；In addition, the attached electroplating liquid medicine expensive containing many values of discarded filter core, not only makes
At the increase of entreprise cost, while to environment, there is also very big pollutions.
Therefore, how to go to develop a kind of filter plant for being able to solve problem above, it has also become this field urgent need to resolve
Problem.
Therefore, the defect based on above-mentioned existing filter device needs to improve existing filter device.
Summary of the invention
The purpose of the present invention is to solve the shortcomings of the prior art a kind of electroplate liquid intelligent filtering device is provided, filtering dress
Set and solve present in existing filter device: filtering accuracy is not high, safety coefficient is very low, at high cost, environmental pollution is big
The defects of.
To achieve the above object, the present invention is achieved by the following technical solutions: a kind of electroplate liquid intelligent filtering device,
Including filter pump, cyclic water tank, secondary filter film group and multiple valve pipes；Cyclic water tank is provided with inlet and outlet；It follows
The outlet of ring water tank and the import of filter pump are connected by pipeline, are provided with cross-flow valve on pipeline；External water inlet passes through pipeline
It is connected between cross-flow valve and filtering pump inlet, is provided with inlet valve on the pipeline；Secondary filter film group lower end is provided with into water
Mouthful, upper end be provided with concentrated water spout, upper and lower two side, which is provided with, produces the mouth of a river, and secondary filter film group lower end water inlet and filter pump go out
Mouth connection；Secondary filter film group upper end concentrated water spout is connect through piping with cyclic water tank import, is provided with return valve on the pipeline；
Side produces the mouth of a river and is connect by pipeline with the outside production mouth of a river in secondary filter film group, and production water valve is provided on the pipeline.
Further, external gas supplementing opening by pipeline be connected in secondary filter film group survey side produce the mouth of a river and produce water valve it
Between, aeration valve is provided on the pipeline.
Further, the secondary filter film group lower side produces the mouth of a river and is connect by pipeline with the outside production mouth of a river, the pipe
Production water valve is provided on road.
Further, the secondary filter film group lower end water inlet connects the import of cyclic water tank, pipeline by pipeline
On be provided with drain valve.
Further, external water supplement port by pipeline be connected in secondary filter film group survey side produce the mouth of a river and produce water valve it
Between, water compensating valve is provided on the pipeline.
Further, outer subordinate arranges mouth and is connected to secondary filter film group import by pipeline, which is provided with lower valve.
Further, device further includes that medicine washes pump, medicine water tank；Medicine water tank is provided with inlet and outlet, medicine
Water tank water outlet is connect by pipeline with the import that medicine washes pump；Medicine water tank water inlet passes through with secondary filter film group concentrated water spout
Pipeline connects, and is provided with concentrated water medicine on the pipeline and washes valve；Medicine water tank water inlet is connected in secondary filter film group by pipeline
Side produces the mouth of a river and produces between water valve, which is provided with production water medicine and washes valve；Medicine washes the outlet of pump and secondary filter film group is intake
Mouth is connected by pipeline, is provided with purge valve on the pipeline.
Further, external medicine inhaling mouth is connected to the import that medicine washes pump by pipeline, is provided on the pipeline and inhales medicine valve.
The beneficial effects of the present invention are: the filtering of intelligent high-efficiency fully automatic operation, full-automatic cleaning in real time may be implemented,
Guarantee that the filter effect of filter core real-time high-efficiency, the filter core of hydrophobic can be repeatedly circulated, the cost of saving replacement filter core,
Cost of labor, and reduce electroplate liquid and be lost waste, reduce enterprise's production cost；Each component totally enclosed type is connected with each other, and is prevented
Safety hazards.
Detailed description of the invention
Fig. 1 is principle schematic diagram of the invention.
Fig. 2 is normal filtration schematic illustration of the invention.
Fig. 3 is medicament Cleaning principle schematic diagram of the invention.
Specific embodiment
The present invention will be further described below with reference to the drawings.
Seeing Fig. 1 --- Fig. 3, electroplate liquid intelligent filtering device of the present invention include that artificial PLC control system (is not shown in figure
Show), filter pump 1, medicine wash pump 2, cyclic water tank 4, medicine water tank 5, secondary filter film group 3 and multiple valve pipes；Wherein follow
Ring water tank 4 is provided with inlet and outlet.Artificial PLC control system is used for all parts of the application and the job control of valve,
Therefore not to repeat here.
The outlet of cyclic water tank 4 is connect with the import of filter pump 1 by pipeline A, is provided with cross-flow valve 7 on pipeline A.
The water inlet of the application and device external connection is connected between 1 import of cross-flow valve 7 and filter pump by pipeline B,
Inlet valve 6 is provided on pipeline B.
3 lower end of secondary filter film group is provided with water inlet, upper end is provided with concentrated water spout, and upper and lower two side is provided with production water
Mouthful, which is connect by pipeline C with the outlet of filter pump 1.
3 upper end concentrated water spout of secondary filter film group is connect through piping M with 4 import of cyclic water tank, is provided with back on pipeline M
Flow valve 16.
3 lower end water inlet of secondary filter film group passes through the import of pipeline D connection cyclic water tank 4, is provided with discharge on pipeline D
Valve 15.
Side produces the mouth of a river and is connected by the external mouth of a river that produces of pipeline I and the application in secondary filter film group 3, on pipeline I
It is provided with and produces water valve 12.The external mouth of a river that produces of the application connects electroplating bath.
3 lower side of secondary filter film group produces the mouth of a river and is connected by the external mouth of a river that produces of pipeline H and the application, on pipeline H
It is provided with and produces water valve 11.
The external water supplement port of the application is connected to survey side in secondary filter film group 3 by pipeline J and produces the mouth of a river and production water valve 12
Between；Water compensating valve 13 is provided on pipeline J.
The external gas supplementing opening of the application is connected to survey side in secondary filter film group 3 by pipeline K and produces the mouth of a river and production water valve 12
Between；Aeration valve 14 is provided on pipeline K.
Medicine water tank 5 is provided with inlet and outlet, 5 water inlet of medicine water tank and 3 concentrated water spout of secondary filter film group
It is connected by pipeline N, is provided with concentrated water medicine on pipeline N and washes valve 17.
5 water inlet of medicine water tank by pipeline L be connected in secondary filter film group 3 side produce the mouth of a river and produce water valve 12 it
Between, pipeline L is provided with production water medicine and washes valve 18.
5 water outlet of medicine water tank is washed 2 imports of pump with medicine by pipeline F and is connect.
The external medicine inhaling mouth of the application is connected on pipeline F by pipeline G, is provided on pipeline G and is inhaled medicine valve 9.
Medicine is washed 2 outlet of pump and is connect with 3 water inlet of secondary filter film group by pipeline E, is provided with purge valve on pipeline E
10。
The outer subordinate of the application arranges mouth and is connected to 3 import of secondary filter film group by pipeline P；Pipeline P is provided with lower row
Valve 8.
All parts through the foregoing embodiment, valve cooperate, and realize the fully automatic operation of the application.Embodiment is certainly
In dynamic filter process: inlet valve 6, cross-flow valve 7, production water valve 12, return valve 16 and filter pump 1 are kept it turned on, other valves
Door, medicine wash pump and belong to closing shape, and the electroplate liquid containing suspended solid fine particles is passed through by water inlet through pipeline B to filter pump 1
Filter pump 1 is delivered to secondary filter film group 3, and the solid suspension of >=1um is trapped in secondary filter film group 3 by secondary filter film group 3,
Clean electroplate liquid produces the mouth of a river by side in secondary filter film group 3 and produces the mouth of a river through pipeline I to outside, produces the mouth of a river and connects back to plating
In slot, part is not filtered also, and the electroplate liquid containing solid aerosol is through 3 upper end concentrated water spout of secondary filter film group, through pipeline M
It exports to 4 import of cyclic water tank, then by cyclic water tank 4 through A pipeline to 1 import of filter pump.
As shown in Figure 1, Figure 2, the artificial PLC control system of the application can carry out relevant parameter setting；Operating pressure reaches
When to some setting value or the operation time of setting, the application is automatically into cleaning procedure.Such as it is being by pressure set points
When 3bar perhaps sets the operation that operation time is set as 12 hours i.e. operating pressure lower than setting value 3bar or the application
Between not up to 12 hours, the application keep normal filtration state, when the application configuration pressure sensor detect operating pressure
It alreadys exceed setting value 3bar or when its operation hours has reached setting time value 12 hours, indicates that the application needs
Cleaning is carried out, artificial PLC control system is automatically stopped normal filtration program, into automatic cleaning.
Steps are as follows for cleaning:
1) after artificial PLC control system detects pressure value or time value, it is automatically stopped normal filtration program, intelligence
All valves and pump is automatically closed in PCL control system；Then it automatically opens again and produces water valve 11, aeration valve 14, other valves are protected
Closed state is held, is pushed back the liquid medicine of remaining plating in secondary filter film group 3 in electroplating bath using compressed air；To accurate mistake
It after residual electroplating liquid medicine is pushed back completely in electroplating bath in filter membrane group 3, is automatically closed and produces water valve 11, automatically open aeration valve 14, row
Valve 15 is put, other valves remain off, and electroplating liquid medicine remaining in pipeline is depressed into cyclic water tank 4 temporarily using compressed air
When store；
2) after electroplating liquid medicine remaining in pipeline is depressed into cyclic water tank 4 completely, all valves are automatically closed, then beat automatically
Water compensating valve 13 is opened, water backwash is carried out；
3) after the completion of water backwash work, all valves are automatically closed in artificial PLC control system, are then turned on lower valve 8, tonifying Qi
Valve 14 carries out air water backwash.
4) after the completion of air water backwash work, entire cleaning process has been completed, and secondary filter film group 3 is returned to best work
Make state, artificial PLC control system is automatically stopped cleaning, then automatically turns on normal filtration working condition；Entirely cleaned
Cheng Wuxu is manually on duty, without artificial cleaning.Electroplate liquid intelligent filtering device is automatically performed cleaning.
After electroplate liquid intelligent filtering device long-play, after automatic cleaning can not restore normal operating conditions,
After artificial PLC control system is by pressure, the analysis of time equivalence, medicament cleaning procedure can be executed automatically, medicament cleaning step is such as
Under:
1) before entering medicament cleaning, system can first carry out the Overall Steps of cleaning, cleaning procedure work to be done
Later, medicament cleaning procedure is gone to automatically, and artificial PLC control system is automatically closed all valves and pump, then opens again
Water compensating valve 13, purge valve 10 carry out moisturizing；
2) moisturizing work after the completion of, all valves and pump is first automatically closed, then automatically open purge valve 10, concentrated water medicine washes valve
17, production water medicine washes valve 18 and medicine washes pump 2, and electroplate liquid intelligent filtering device carries out internal cyclic program, this cyclic program at this time
Control is set by time value and executes runing time；
3) it inside pending completion after cyclic program, inhales medicine valve 9 and automatically opens, cleaning agent is by medicine inhaling mouth through pipeline G
It enters in device, after medicament to be cleaned is fully entrained device, wash valve 9 is automatically closed, and then artificial PLC control system is held
Row medicament wash cycles program, this process medicine wash pump 2, purge valve 10, concentrated water medicine and wash valve 17, produce water medicine and wash valve 18 and keep it turning on shape
State, other valves remain off；
4) after pending complete medicament wash cycles program, artificial PLC control system is automatically stopped medicine and washes pump 2 and close institute
There is valve, be then then turned on lower valve 8, aeration valve 14, using compressed air by the cleaning medicine in electroplate liquid intelligent filtering device
Agent is all discharged；
5) after cleaning agent remaining in the device is discharged, all valves and pump is automatically closed in system, is then opened again
It opens the progress moisturizing of water compensating valve 13 and turns off water compensating valve 13 after the completion of moisturizing；
6) after the completion of moisturizing, purge valve 10 is automatically turned on, concentrated water medicine washes valve 17, production water medicine washes valve 18, medicine is washed pump 2 and followed
Ring cleaning, this process are set by time value.
7) after the completion of wash cycles, all valves are automatically closed, are then then turned on lower valve 8, aeration valve 14, it will be in device
Residual liquid is discharged；
8) it is secondary be repeatedly performed above-mentioned 5,6, after 7 steps, after the completion of medicament cleaning procedure, secondary filter film group 3 is restored again
Optimum Working, system is again automatic to execute normal filtration program.
The present invention design mainly by artificial PLC control system, filter pump, medicine wash pump, cyclic water tank, medicine water tank and
The setting of each valve cooperates, and realizes intelligent Full-automatic filter operation, full-automatic cleaning in real time；Greatly reduce enterprise's production
Cost, high-precision filtration film group improves electroplate liquid cleanliness, to improve product quality, automatic cleaning, prevents because of tradition in real time
Filter device, which need to be dismounted manually, to be cleaned and existing safety hazards；Meet modern industrial process demand, seeks for enterprise
Bigger profit margin.
The filtering of intelligent high-efficiency fully automatic operation, full-automatic cleaning in real time may be implemented in the present invention, guarantees that filter core is high in real time
The filter core of the filter effect of effect, hydrophobic can be repeatedly circulated, and save cost, the cost of labor of replacement filter core, and
It reduces electroplate liquid and is lost waste, reduce enterprise's production cost；Each component totally enclosed type is connected with each other, and prevents safety hazards.
Certainly, the embodiment of the above, only preferred embodiments of the invention, not limit the present invention and implement model
It encloses, therefore all equivalent change or modifications done according to structure, feature and principle described in scope of the present invention patent, should all include
In in scope of the present invention patent.
Claims (8)
1. a kind of electroplate liquid intelligent filtering device, it is characterised in that: including filter pump, cyclic water tank, secondary filter film group and
Multiple valve pipes；Cyclic water tank is provided with inlet and outlet；The outlet of cyclic water tank and the import of filter pump are connected by pipeline
It connects, cross-flow valve is provided on pipeline；External water inlet is connected between cross-flow valve and filtering pump inlet by pipeline, on the pipeline
It is provided with inlet valve；Secondary filter film group lower end is provided with water inlet, upper end is provided with concentrated water spout, and upper and lower two side is provided with production
The mouth of a river, the outlet connection of secondary filter film group lower end water inlet and filter pump；Secondary filter film group upper end concentrated water spout is through piping
It is connect with cyclic water tank import, is provided with return valve on the pipeline；Side produces the mouth of a river and passes through pipeline and outer in secondary filter film group
Portion produces mouth of a river connection, is provided with production water valve on the pipeline.
2. a kind of electroplate liquid intelligent filtering device according to claim 1, it is characterised in that: external gas supplementing opening passes through pipeline
It is connected to survey side in secondary filter film group to produce the mouth of a river and produce between water valve, is provided with aeration valve on the pipeline.
3. a kind of electroplate liquid intelligent filtering device according to claim 2, it is characterised in that: the secondary filter film group
Lower side produces the mouth of a river and is connect by pipeline with the outside production mouth of a river, and production water valve is provided on the pipeline.
4. a kind of electroplate liquid intelligent filtering device according to claim 2, it is characterised in that: the secondary filter film group
Lower end water inlet connects the import of cyclic water tank by pipeline, is provided with drain valve on pipeline.
5. a kind of electroplate liquid intelligent filtering device according to claim 2, it is characterised in that: external water supplement port passes through pipeline
It is connected to survey side in secondary filter film group to produce the mouth of a river and produce between water valve, is provided with water compensating valve on the pipeline.
6. a kind of electroplate liquid intelligent filtering device according to claim 5, it is characterised in that: outer subordinate arranges mouth and passes through pipeline
It is connected to secondary filter film group import, which is provided with lower valve.
7. a kind of electroplate liquid intelligent filtering device according to claim 2, it is characterised in that: device further include medicine wash pump,
Medicine water tank；Medicine water tank is provided with inlet and outlet, and medicine water tank water outlet is connected by the import that pipeline and medicine wash pump
It connects；Medicine water tank water inlet is connect with secondary filter film group concentrated water spout by pipeline, and concentrated water medicine is provided on the pipeline and washes valve；Medicine
Water tank water inlet is connected to side in secondary filter film group by pipeline and produces between the mouth of a river and production water valve, which is provided with production
Water medicine washes valve；The outlet that medicine washes pump is connect with secondary filter film group water inlet by pipeline, is provided with purge valve on the pipeline.
8. a kind of electroplate liquid intelligent filtering device according to claim 7, it is characterised in that: external medicine inhaling mouth passes through pipeline
It is connected to the import that medicine washes pump, is provided on the pipeline and inhales medicine valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077978.0A CN109603554A (en) | 2019-01-28 | 2019-01-28 | A kind of electroplate liquid intelligent filtering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077978.0A CN109603554A (en) | 2019-01-28 | 2019-01-28 | A kind of electroplate liquid intelligent filtering device |
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| CN109603554A true CN109603554A (en) | 2019-04-12 |
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| CN201910077978.0A Pending CN109603554A (en) | 2019-01-28 | 2019-01-28 | A kind of electroplate liquid intelligent filtering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846708A (en) * | 2019-12-27 | 2020-02-28 | 广东威迪科技股份有限公司 | Circuit board electroplating solution intelligent filtering system free of filter element replacement and using method thereof |
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