CN205556784U - Printed circuit board is sour, alkaline copper chloride etching waste liquor cyclic utilization device - Google Patents
Printed circuit board is sour, alkaline copper chloride etching waste liquor cyclic utilization device Download PDFInfo
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- CN205556784U CN205556784U CN201520974126.9U CN201520974126U CN205556784U CN 205556784 U CN205556784 U CN 205556784U CN 201520974126 U CN201520974126 U CN 201520974126U CN 205556784 U CN205556784 U CN 205556784U
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- raffinate
- organic
- filter
- circuit board
- printed circuit
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Abstract
The utility model relates to a printed circuit board is sour, alkaline copper chloride etching waste liquor cyclic utilization device comprises raffinate jar, raffinate charge pump, cotton filter, organic filter, manometer, flowmeter, cleaning water tank and blind controller system, and wherein organic filter is two sets of for what connect in parallel, wherein is equipped with organic filtration membrane group spare, adopt two sets of organic filter parallel operation, owing to used the milipore filter or received the filter membrane, detached that printed circuit board is sour, alkaline copper chloride etching waste liquor organic matter in the raffinate (regeneration liquid) after the extraction, realized online filtration mode, simple structure, low, the convenient operation of cost. Through online filterable method organic impurity in just can effectual filtration raffinate (regeneration liquid), promote printed circuit board high -density interconnection (HDI) product etch process precision and efficiency.
Description
Technical field
The present invention relates to circuit board manufacturing area, relates to a kind of printed circuit board (PCB) copper chloride etching waste liquid sour, alkaline circulation profit
With device, particularly to copper chloride etching waste liquid sour during circuit board fabrication, alkaline, after extraction and recovery copper, raffinate is (again
Raw liquid) in the filter of organic impurities.
Background technology
Utilizing the acid of copper chloride series, alkali etching to carry out circuit etching in printed circuit board (pcb) production process is one
Vital link, acid, alkaline etching waste liquid are the materials of a high pollution, and at present in printed circuit board enterprise for arriving ring
Guarantor's " energy-saving and emission-reduction, cleaning production, zero-emission " requirement, recycling after copper chloride acid, alkaline etching waste liquid for producing extracting copper, its
What the raffinate (regenerated liquid) produced generally was encountered is that raffinate (regenerated liquid) can be carried secretly and the undesirable band of split-phase by extraction oil
Come pollution (Water-In-Oil or oil-in-water), on the other hand copper chloride acid, alkaline etching waste liquid for producing in extraction by extraction quantity size
Factor, can destroy organic additive original in etching solution.So cannot count in later stage raffinate (regenerated liquid) reuse is allocated
Calculate the additive level of its residual, can only estimate, thus the stability that can there is liquid medicine when etched circuit board (PCB) is asked
Topic, will affect regenerated liquid losing speed, quality during plate.
Summary of the invention
The present invention provides a kind of printed circuit board (PCB) copper chloride acid, alkaline etching waste liquid for producing recycling device and method, filters
Organic contamination in raffinate (regenerated liquid) after copper chloride etching waste liquid sour, alkaline extraction, it is achieved raffinate recycles.
For achieving the above object, the solution of the present invention is:
A kind of printed circuit board (PCB) copper chloride etching waste liquid recycling device sour, alkaline, by raffinate flow container, raffinate feedstock
Pump, cotton filter, organic filter device, Pressure gauge, flowmeter, cleaning sink and blind controller system composition, the most organic mistake
Filter is in parallel two groups, wherein equipped with organic filter membrane module；Raffinate is accessed raffinate flow container, raffinate flow container bottom by pipeline
Being connected with raffinate feedstock pump inlet by pipeline, raffinate feedstock pump discharge is connected with organic filter device bottom inlet, is connected
Pipeline be equipped with Pressure gauge and flowmeter；Organic filter device top exit be through filtration after for recycle raffinate go out
Mouthful, the most also it is the import of rhetorical question rinse water；There are two organic outlet concentrated organic filter device side；Cleaning sink with have
The outlet of machine filter top is connected, and is provided with Pressure gauge and flowmeter on connected pipeline, and cleaning sink leads to organic filter device
Piping forms closed circuit；Wherein raffinate feedstock pump uses acid and alkali-resistance magnetic force pumping, uses blind controller system by pressure
Power table and flowmeter control pressure and the flow of organic filter film group；For reducing the fluid pressure damage to filter membrane.
Organic filter film uses milipore filter or NF membrane, and material is cellulose, polyamide and polysulfones, preferred polyamide.
A kind of printed circuit board (PCB) copper chloride etching waste liquid circulation utilization method sour, alkaline, by raffinate flow container, raffinate feedstock
Pump, cotton filter, organic filter device, Pressure gauge, flowmeter, cleaning sink and blind controller system composition recycle dress
Put；Copper chloride etching waste liquid raffinate after extracting copper sour, alkaline is joined in raffinate flow container, will with raffinate feedstock pump
Raffinate is pressurized to 0.5-0.7MPa and enters cotton heart filter filtration, controls raffinate pressure 0.2-by blind controller system
0.4MPa and flow are filtered to remove the organic matter in raffinate through organic filter device, equipped with organic filter film in organic filter device
Assembly；Organic filter device is two groups, and the raffinate after having machine to filter is used as the allotment of etching solution；Filter process is received
The organic matter that collection concentrates；Organic filter device is one group of filtration, one group of cleaning；Lead to cleaning sink during cleaning and set up recoil wash cycles
Process.
The present invention uses two groups of organic filter film group parallel waies to run, and owing to employing milipore filter or NF membrane, removes
Organic matter in printed circuit board (PCB) copper chloride etching waste liquid sour, alkaline raffinate (regenerated liquid) after extraction, it is achieved that
Line filter type, simple in construction, cost are low, easy to operate.Raffinate just can be effectively filtered by the method for on-line filtration
Organic impurities in (regenerated liquid), promotes printed circuit board high density interconnection (HDI) product etch process precision and efficiency.
Regeneration etching solution after treatment: organic matter weight content is at below 0.3ppm；Minimum etching precision is
0.07mm, etching factor is more than 3；Printed circuit board etching speed improves 8.9%.
Accompanying drawing explanation
Fig. 1 be the present invention acid, alkaline copper chloride etching solution extraction after raffinate filter process flow diagram.
1-raffinate (regenerated liquid) tank 2-raffinate feedstock pump 3-cotton filter 4-Pressure gauge
5-organic filter device A 6-organic filter device B 7-Pressure gauge 8-cleaning sink 9,10-flowmeter.
Detailed description of the invention
Specific embodiment below in conjunction with the above-mentioned accompanying drawing explanation present invention.
Embodiment 1:
After alkalescence copper chloride etching waste liquid is carried out extraction and recovery copper, collect raffinate flow container, extraction liquid level of tank by liquid
Position instrument controls, and by the magnetic drive pump of acid and alkali-resistance, raffinate is pressurized to 0.5-0.7MPa, enters cotton filter, removes raffinate
Particulate matter in liquid；Be then passed through manometer and flowmeter control raffinate pressure be 0.25-0.35 MPa, flow be 5L/h
Entering organic filter film group and remove the organic matter in raffinate, organic filter film is milipore filter, and material is polyamide, filtered
Journey is collected the organic matter of concentration.The organic weight content of regeneration etching solution after filtering through organic filter film group is higher than
During 0.3ppm, carry out filtration module switching；The filtration module switched out carries out the wash cycles that recoils, and recoil is organic with water recoil
Filtration module.
Experimental result: 1) regenerate etching solution content of organics at below 0.3pppm；
2) the minimum etching precision of regeneration etching solution is 0.07mm, and etching factor is more than 3；
3) printed circuit board etching speed improves 8.9%.
Embodiment 2:
After acidic copper chloride waste etching solution is carried out extraction and recovery copper, collect raffinate flow container, extraction liquid level of tank by liquid
Position instrument controls, and by the magnetic drive pump of acid and alkali-resistance, raffinate is pressurized to 0.5-0.7MPa, enters cotton filter, removes raffinate
Particulate matter in liquid；Be then passed through manometer and flowmeter control raffinate pressure be 0.20-0.30 MPa, flow be 5L/h
Entering organic filter film group and remove the organic matter in raffinate, organic filter film is NF membrane, and material is polyamide, filtered
Journey is collected the organic matter of concentration.The organic weight content of regeneration etching solution after filtering through organic filter film group is higher than
During 0.3ppm, carry out filtration module switching；The filtration module switched out carries out the wash cycles that recoils, and recoil is organic with water recoil
Filtration module.
Experimental result: 1) regenerate etching solution content of organics at below 0.2ppm；
2) the minimum etching precision of regeneration etching solution is 0.07mm, and etching factor is more than 3；
3) printed circuit board etching speed improves 9.5%.
Embodiment 3:
After acidic copper chloride waste etching solution is carried out extraction and recovery copper, collect raffinate flow container, extraction liquid level of tank by liquid
Position instrument controls, and by the magnetic drive pump of acid and alkali-resistance, raffinate is pressurized to 0.5-0.7MPa, enters cotton filter, removes raffinate
Particulate matter in liquid；Be then passed through manometer and flowmeter control raffinate pressure be 0.20-0.30 MPa, flow be 5L/h
Entering organic filter film group and remove the organic matter in raffinate, organic filter film is NF membrane, and material is cellulose, filtered
Journey is collected the organic matter of concentration.The organic weight content of regeneration etching solution after filtering through organic filter film group is higher than
During 0.3ppm, carry out filtration module switching；The filtration module switched out carries out the wash cycles that recoils, and recoil is organic with water recoil
Filtration module.
Experimental result: 1) regenerate etching solution content of organics at below 0.3ppm；
2) the minimum etching precision of regeneration etching solution is 0.07mm, and etching factor is more than 3；
3) printed circuit board etching speed improves 7.5%.
Having gone up content is combined printed wiring board (PCB) acid, the recovery of alkaline copper chloride etching solution copper and regeneration cycle system
Further description made for the present invention, it is impossible to assert the present invention be embodied as be confined to these explanations.For this
For the those of ordinary skill of technical field that the present invention belongs to, without departing from the inventive concept of the premise, it is also possible to make some
Simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (3)
1. printed circuit board (PCB) acid, an alkalescence copper chloride etching waste liquid recycling device, by raffinate flow container, raffinate feedstock
Pump, cotton filter, organic filter device, Pressure gauge, flowmeter, cleaning sink and blind controller system composition, the most organic mistake
Filter is in parallel two groups, wherein equipped with organic filter membrane module；Raffinate is accessed raffinate flow container, raffinate flow container bottom by pipeline
Being connected with raffinate feedstock pump inlet by pipeline, raffinate feedstock pump discharge is connected with organic filter device bottom inlet, is connected
Pipeline be equipped with Pressure gauge and flowmeter；Organic filter device top exit be through filtration after for recycle raffinate go out
Mouthful, the most also it is the import of rhetorical question rinse water；There are two organic outlet concentrated organic filter device side；Cleaning sink with have
The outlet of machine filter top is connected, and is provided with Pressure gauge and flowmeter on connected pipeline, and cleaning sink leads to organic filter device
Piping forms closed circuit；Wherein raffinate feedstock pump uses acid and alkali-resistance magnetic force pumping, uses blind controller system by pressure
Power table and flowmeter control pressure and the flow of organic filter film group.
Printed circuit board (PCB) the most according to claim 1 copper chloride etching waste liquid recycling device sour, alkaline, it is characterised in that have
Machine filter membrane is milipore filter or NF membrane.
Printed circuit board (PCB) the most according to claim 1 copper chloride etching waste liquid recycling device sour, alkaline, it is characterised in that have
The material of machine filter membrane is polyamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520974126.9U CN205556784U (en) | 2015-11-30 | 2015-11-30 | Printed circuit board is sour, alkaline copper chloride etching waste liquor cyclic utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520974126.9U CN205556784U (en) | 2015-11-30 | 2015-11-30 | Printed circuit board is sour, alkaline copper chloride etching waste liquor cyclic utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205556784U true CN205556784U (en) | 2016-09-07 |
Family
ID=56822382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520974126.9U Expired - Fee Related CN205556784U (en) | 2015-11-30 | 2015-11-30 | Printed circuit board is sour, alkaline copper chloride etching waste liquor cyclic utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205556784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483706A (en) * | 2015-11-30 | 2016-04-13 | 广东骏亚电子科技股份有限公司 | Printed circuit board acid and alkaline copper chloride etching waste liquid recycling device and method thereof |
-
2015
- 2015-11-30 CN CN201520974126.9U patent/CN205556784U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483706A (en) * | 2015-11-30 | 2016-04-13 | 广东骏亚电子科技股份有限公司 | Printed circuit board acid and alkaline copper chloride etching waste liquid recycling device and method thereof |
| CN105483706B (en) * | 2015-11-30 | 2019-04-23 | 广东骏亚电子科技股份有限公司 | A kind of printed circuit board acid, alkaline copper chloride etching waste liquid recycling device and its method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20211130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |