CN113249771A - Electroplating production line with intelligent water replenishing function and water replenishing method thereof - Google Patents
Electroplating production line with intelligent water replenishing function and water replenishing method thereof Download PDFInfo
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- CN113249771A CN113249771A CN202110388958.2A CN202110388958A CN113249771A CN 113249771 A CN113249771 A CN 113249771A CN 202110388958 A CN202110388958 A CN 202110388958A CN 113249771 A CN113249771 A CN 113249771A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 229
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 238000009713 electroplating Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 11
- 238000005554 pickling Methods 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims description 14
- 230000008054 signal transmission Effects 0.000 claims description 14
- 230000001502 supplementing effect Effects 0.000 claims description 11
- 239000013589 supplement Substances 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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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
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
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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 an electroplating production line with an intelligent water replenishing function and a water replenishing method thereof in the technical field of PCB electroplating, wherein the electroplating production line comprises an oil removing groove, a first rinsing groove, a pickling groove, a second rinsing groove, an electroplating groove and a third rinsing groove which are sequentially arranged; the first rinsing bath is provided with a first water replenishing pipeline, and the first water replenishing pipeline is provided with a first water replenishing control device; the second rinsing bath is provided with a second water replenishing pipeline, and a second water replenishing control device is arranged on the second water replenishing pipeline; no. three moisturizing pipelines are installed to No. three wash bowl, install No. three moisturizing controlling means on No. three moisturizing pipelines. The water supplement amount can be reduced and the production cost can be reduced while the requirements of the production process are met.
Description
Technical Field
The invention belongs to the technical field of PCB (printed circuit board) electroplating, and particularly relates to an electroplating production line with an intelligent water replenishing function and a water replenishing method thereof.
Background
The production of PCBs (printed circuit boards) involves a number of electroplating processes, wherein electroplating requires the use of large amounts of fresh tap water and pure water during the production process. The wash bowl of present electroplating production line inflow is fixed size, and the moisturizing in succession, this kind of design is too single, can cause the waste of a large amount of fresh running water and pure water, and the water consumption of general PCB mill all has the restriction, and the water waste can lead to the productivity seriously impaired, has increased the waste water treatment cost simultaneously, has great restriction to the development of PCB trade.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the electroplating production line with the intelligent water replenishing function and the water replenishing method thereof, which can reduce the amount of replenished water and the production cost while meeting the requirements of the production process.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the first aspect provides an electroplating production line with an intelligent water replenishing function, which comprises an oil removing groove, a first rinsing groove, a pickling groove, a second rinsing groove, an electroplating groove and a third rinsing groove which are sequentially arranged; the first rinsing bath is provided with a first water replenishing pipeline, and the first water replenishing pipeline is provided with a first water replenishing control device; the second rinsing bath is provided with a second water replenishing pipeline, and a second water replenishing control device is arranged on the second water replenishing pipeline; no. three moisturizing pipelines are installed to No. three wash bowl, install No. three moisturizing controlling means on No. three moisturizing pipelines.
Furthermore, the first water replenishing control device comprises a first electromagnetic valve arranged on a first water replenishing pipeline, and the first electromagnetic valve is electrically connected with a first PLC (programmable logic controller) through a first signal transmission line; the first PLC is electrically connected with a COD online analyzer, and the COD online analyzer is connected with a first sampling tube arranged in the first rinsing bath.
Furthermore, the second water replenishing control device comprises a second electromagnetic valve arranged on a second water replenishing pipeline, and the second electromagnetic valve is electrically connected with the second PLC controller through a second signal transmission line; the second PLC is electrically connected with a PH on-line analyzer, and the PH on-line analyzer is connected with a second sampling tube installed in a second rinsing bath.
Furthermore, the third water replenishing control device comprises a third electromagnetic valve arranged on a third water replenishing pipeline, and the third electromagnetic valve is electrically connected with a third PLC controller through a third signal transmission line; the third PLC is electrically connected with an on-line conductivity analyzer, and the on-line conductivity analyzer is connected with a third sampling tube arranged in a third rinsing bath.
Furthermore, the first water replenishing pipeline, the second water replenishing pipeline and the third water replenishing pipeline are respectively communicated with the water replenishing main pipe.
Further, the oil removing groove, the first rinsing groove, the pickling groove, the second rinsing groove, the electroplating groove and the third rinsing groove are made of PP; the first water replenishing pipeline, the second water replenishing pipeline and the third water replenishing pipeline are made of PVC.
In a second aspect, a water replenishing method for an electroplating production line with an intelligent water replenishing function is provided, and in one aspect of the method, the electroplating production line with the intelligent water replenishing function comprises the following steps: collecting the COD value of water in the first rinsing tank, comparing the collected COD value of the water with a COD set value, and adjusting the water flow in the first water replenishing pipeline according to a comparison result; collecting the pH value of water in the second rinsing bath, comparing the collected pH value of the water with a pH set value, and adjusting the water flow in the second water replenishing pipeline according to a comparison result; and collecting the conductivity value of the water in the third rinsing bath, comparing the collected conductivity value of the water with a conductivity set value, and adjusting the water flow in the third water replenishing pipeline according to a comparison result.
Further, the adjusting water flow in the first water replenishing pipeline comprises: and when the COD value of the collected water is less than 1000ppm, setting the water flow in the first water replenishing pipeline to be 0, and stopping replenishing water.
Further, the adjusting water flow in the second water replenishing pipeline comprises: and when the pH value of the collected water is greater than 4.5, setting the water flow in the second water replenishing pipeline to be 0, and stopping replenishing water.
Further, the adjusting water flow in the water replenishing pipe No. three includes: and when the conductivity value of the collected water is less than 2000us/cm, setting the water flow in the third water replenishing pipeline as 0, and stopping replenishing water.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the water replenishing control devices are arranged on the water replenishing pipelines, so that intelligent water replenishing in the electroplating production process is realized, and water resource waste caused by long-term continuous water replenishing in the traditional production is avoided; the water supplement amount can be reduced and the production cost can be reduced while the requirements of the production process are met.
Drawings
Fig. 1 is a schematic structural diagram of a system of an electroplating production line with an intelligent water replenishing function according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
as shown in fig. 1, an electroplating production line with an intelligent water replenishing function comprises an oil removing groove 1, a first rinsing groove 2, a pickling groove 3, a second rinsing groove 4, an electroplating bath 5 and a third rinsing groove 6 which are arranged in sequence; the first rinsing bath 2 is provided with a first water replenishing pipeline 21, and the first water replenishing pipeline 21 is provided with a first water replenishing control device; the second rinsing bath 4 is provided with a second water replenishing pipeline 41, and the second water replenishing pipeline 41 is provided with a second water replenishing control device; the third rinsing bath 6 is provided with a third water replenishing pipeline 61, and the third water replenishing pipeline 61 is provided with a third water replenishing control device. The first water replenishing pipeline 21, the second water replenishing pipeline 41 and the third water replenishing pipeline 61 are respectively communicated with the water replenishing main pipe 7, and the water replenishing main pipe 7 is connected with a fresh tap water source or a pure water source.
The first water replenishing control device comprises a first electromagnetic valve 211 installed on the first water replenishing pipeline 21, and the first electromagnetic valve 211 is electrically connected with a first PLC (programmable logic controller) 212 through a first signal transmission line 214; the first PLC 212 is electrically connected with a COD online analyzer 213, and the COD online analyzer 213 is connected with a first sampling tube 215 arranged in the first rinsing bath 2. The second water replenishing control device comprises a second electromagnetic valve 411 arranged on the second water replenishing pipeline 41, and the second electromagnetic valve 411 is electrically connected with a second PLC controller 412 through a second signal transmission line 414; the second PLC controller 412 is electrically connected to a PH on-line analyzer 413, and the PH on-line analyzer 413 is connected to a second sampling tube 415 installed in the second rinsing bath 4. The third water replenishing control device comprises a third electromagnetic valve 611 mounted on the third water replenishing pipeline 61, and the third electromagnetic valve 611 is electrically connected with a third PLC 612 through a third signal transmission line 614; the third PLC controller 612 is electrically connected to a conductivity on-line analyzer 613, and the conductivity on-line analyzer 613 is connected to a third sampling tube 615 installed in the third rinsing bath 6.
In this embodiment, the material of the oil removing tank 1 is PP, volume: 2000L; the material of the pickling tank 3 is PP, and the volume is as follows: 2000L; the electroplating bath 5 is made of PP, and has the volume: 5000L. The material of the rinsing bath 2 arranged between the oil removing tank 1 and the pickling bath 3 is PP, and the volume is as follows: 2000L; the second rinsing bath 4 arranged between the pickling bath 3 and the electroplating bath 5 is made of PP (polypropylene), and has the volume: 2000L; the third rinsing bath 6 arranged behind the electroplating bath 5 is made of PP (polypropylene), and has the volume: 2000L. The tank body made of the PP material is corrosion-resistant, high-temperature-resistant, has certain ductility and is convenient to maintain. Wherein, the volumes of the first rinsing bath 2, the second rinsing bath 4 and the third rinsing bath 6 are adjusted according to the production capacity and the production requirement. A water supply pipeline 21, No. two water supply pipeline 41 and No. three water supply pipeline 61's material is PVC, and water supply pipeline selects PVC, and PVC water supply pipeline is corrosion-resistant, and the wearability is more excellent, and the cost is lower relatively, the pipe diameter: 2 cun. No. one solenoid valve 211, No. two solenoid valve 411 and No. three solenoid valve 611, the model is: JL-V0830. COD on-line analyzer, measurement scope: 0-5000 ppm. PH on-line analyzer, measurement range: 0-14. Conductivity on-line analyzer, measurement range: 0-5000 us/cm. The first PLC controller 212, the second PLC controller 412 and the third PLC controller 612 all adopt Siemens controllers, and the types are as follows: s7-200. The first signal transmission line 214, the second signal transmission line 414 and the third signal transmission line 614 are all aluminum core signal lines. The advantages are that: corrosion-resistant, the electric conductive property is better, and signal transmission is stable, and the material of sampling tube 215, No. two sampling tubes 415 and No. three sampling tube 615 is PE, and the sampling tube pliability of PE material is good, and is corrosion-resistant, long service life, pipe diameter 5 mm.
According to the embodiment, the water replenishing control devices are arranged on the water replenishing pipelines, so that intelligent water replenishing in the electroplating production process is realized, and water resource waste caused by long-term continuous water replenishing in the traditional production is avoided; the water supplement amount can be reduced and the production cost can be reduced while the requirements of the production process are met.
Example two:
based on the first electroplating production line with the intelligent water replenishing function, the embodiment provides a water replenishing method of the electroplating production line with the intelligent water replenishing function, and the method comprises the following steps:
step one, the electroplating production line is normally started up.
And step two, starting the COD online analyzer 213, the PH online analyzer 413 and the conductivity online analyzer 613.
Step three, the online analyzer analyzes the water quality index in the rinsing bath in real time through a sampling pipeline, and specifically comprises the following steps:
the first water supplementing control device collects the COD value of the water in the first rinsing bath 2, compares the collected COD value of the water with a COD set value, and adjusts the water flow in the first water supplementing pipeline 21 according to a comparison result; when the COD value of the collected water is less than 1000ppm, setting the water flow in the first water replenishing pipeline 21 to be 0 (closing the first electromagnetic valve 211), and stopping replenishing water; when the COD value of the collected water is more than or equal to 1000ppm, the opening degree of the first electromagnetic valve 211 is adjusted, so that the water flow in the first water replenishing pipeline 21 is adjusted, and water is replenished to the first rinsing bath 2;
the second water replenishing control device collects the pH value of the water in the second rinsing bath 4, compares the collected pH value of the water with a pH set value, and adjusts the water flow in the second water replenishing pipeline 41 according to a comparison result; when the pH value of the collected water is greater than 4.5, setting the water flow in the second water replenishing pipeline 41 to be 0 (closing the second electromagnetic valve 411), and stopping replenishing water; when the pH value of the collected water is less than or equal to 4.5, adjusting the opening of a second electromagnetic valve 411, further adjusting the water flow in a second water replenishing pipeline 41, and replenishing water to a second rinsing bath 4;
the third water replenishing control device collects the conductivity value of the water in the third rinsing bath 6, compares the collected conductivity value of the water with a conductivity set value, and adjusts the water flow in the third water replenishing pipeline 61 according to the comparison result; when the conductivity value of the collected water is less than 2000us/cm, setting the water flow in the third water replenishing pipeline 61 to be 0 (closing the third electromagnetic valve 611), and stopping replenishing water; when the conductivity value of the collected water is greater than or equal to 2000us/cm, the opening degree of the third electromagnetic valve 611 is adjusted, so that the water flow in the third water replenishing pipeline 61 is adjusted, and water is replenished to the third rinsing bath 4.
The wash bowl behind the different water tanks of electroplating production line is classified through this embodiment, the quality of water index to different wash bowls is monitored and tested, wash bowl water quality standard of water is worked out, the test result is as follows, wash bowl COD is less than 1000ppm behind the deoiling groove and can satisfy the production requirement, PH is higher than 4.5 behind the descaling bath and can satisfy the production requirement, wash bowl conductivity concentration is less than 2000us/cm behind the plating bath and can satisfy the production requirement, use on-line analysis instrument to carry out real-time analysis to different wash bowl quality of water, compare analysis result and above-mentioned standard, signal transmission to PLC controller, switch through PLC control wash bowl moisturizing solenoid valve, the purpose of PCB trade electroplating production line intelligence water conservation has been realized to this kind of design.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An electroplating production line with an intelligent water replenishing function is characterized by comprising an oil removing groove (1), a first rinsing groove (2), a pickling groove (3), a second rinsing groove (4), an electroplating bath (5) and a third rinsing groove (6) which are arranged in sequence; the first rinsing bath (2) is provided with a first water replenishing pipeline (21), and the first water replenishing pipeline (21) is provided with a first water replenishing control device; a second water replenishing pipeline (41) is installed on the second rinsing bath (4), and a second water replenishing control device is installed on the second water replenishing pipeline (41); no. three moisturizing pipeline (61) are installed in No. three wash bowl (6), install No. three moisturizing controlling means on No. three moisturizing pipeline (61).
2. The electroplating production line with the intelligent water replenishing function as claimed in claim 1, wherein the first water replenishing control device comprises a first electromagnetic valve (211) installed on a first water replenishing pipeline (21), and the first electromagnetic valve (211) is electrically connected with a first PLC controller (212) through a first signal transmission line (214); the first PLC controller (212) is electrically connected with the COD online analyzer (213), and the COD online analyzer (213) is connected with a first sampling tube (215) arranged in the first rinsing bath (2).
3. The electroplating production line with the intelligent water replenishing function as claimed in claim 1, wherein the second water replenishing control device comprises a second electromagnetic valve (411) installed on a second water replenishing pipeline (41), and the second electromagnetic valve (411) is electrically connected with a second PLC controller (412) through a second signal transmission line (414); the second PLC controller (412) is electrically connected with a PH online analyzer (413), and the PH online analyzer (413) is connected with a second sampling tube (415) arranged in a second rinsing bath (4).
4. The electroplating production line with the intelligent water replenishing function as claimed in claim 1, wherein the third water replenishing control device comprises a third electromagnetic valve (611) installed on a third water replenishing pipeline (61), and the third electromagnetic valve (611) is electrically connected with a third PLC controller (612) through a third signal transmission line (614); the third PLC controller (612) is connected with a conductivity online analyzer (613), and the conductivity online analyzer (613) is connected with a third sampling tube (615) arranged in a third rinsing bath (6).
5. The electroplating production line with the intelligent water replenishing function as claimed in claim 1, wherein the first water replenishing pipeline (21), the second water replenishing pipeline (41) and the third water replenishing pipeline (61) are respectively communicated with the water replenishing header pipe (7).
6. The electroplating production line with the intelligent water replenishing function as claimed in claim 1, wherein the oil removing groove (1), the first rinsing groove (2), the pickling groove (3), the second rinsing groove (4), the electroplating groove (5) and the third rinsing groove (6) are made of PP; the first water replenishing pipeline (21), the second water replenishing pipeline (41) and the third water replenishing pipeline (61) are made of PVC.
7. A water replenishing method of an electroplating production line with an intelligent water replenishing function is characterized in that the electroplating production line with the intelligent water replenishing function, which is disclosed by any one of claims 1 to 6, is adopted, and comprises the following steps:
collecting the COD value of water in the first rinsing tank (2), comparing the collected COD value of the water with a COD set value, and adjusting the water flow in the first water replenishing pipeline (21) according to a comparison result;
collecting the PH value of water in the second rinsing tank (4), comparing the collected PH value of the water with a PH set value, and adjusting the water flow in the second water replenishing pipeline (41) according to a comparison result;
and (3) collecting the conductivity value of the water in the third rinsing bath (6), comparing the collected conductivity value of the water with a conductivity set value, and adjusting the water flow in the third water replenishing pipeline (61) according to the comparison result.
8. The method for supplementing water to an electroplating production line with an intelligent water supplementing function according to claim 7, wherein the adjusting of the water flow rate in the first water supplementing pipeline (21) comprises the following steps: and when the COD value of the collected water is less than 1000ppm, setting the water flow in the first water replenishing pipeline (21) to be 0, and stopping replenishing water.
9. The method for supplementing water to an electroplating production line with an intelligent water supplementing function according to claim 7, wherein the adjusting of the water flow rate in the second water supplementing pipeline (41) comprises: and when the pH value of the collected water is more than 4.5, setting the water flow in the second water replenishing pipeline (41) to be 0, and stopping replenishing water.
10. The method for supplementing water to an electroplating production line with an intelligent water supplementing function according to claim 7, wherein the adjusting of the water flow in the third water supplementing pipeline (61) comprises the following steps: and when the conductivity value of the collected water is less than 2000us/cm, setting the water flow in the third water replenishing pipeline (61) to be 0, and stopping replenishing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110388958.2A CN113249771A (en) | 2021-04-12 | 2021-04-12 | Electroplating production line with intelligent water replenishing function and water replenishing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110388958.2A CN113249771A (en) | 2021-04-12 | 2021-04-12 | Electroplating production line with intelligent water replenishing function and water replenishing method thereof |
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| CN113249771A true CN113249771A (en) | 2021-08-13 |
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| CN202110388958.2A Pending CN113249771A (en) | 2021-04-12 | 2021-04-12 | Electroplating production line with intelligent water replenishing function and water replenishing method thereof |
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|---|---|---|---|---|
| RU2328558C2 (en) * | 2004-11-11 | 2008-07-10 | Игорь Иванович Агапов | Line of parts galvanic and chemical processing |
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2021
- 2021-04-12 CN CN202110388958.2A patent/CN113249771A/en active Pending
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| Title |
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Application publication date: 20210813 |