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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
raffinate
organic
filter
circuit board
printed circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520974126.9U
Other languages
Chinese (zh)
Inventor
刘继承
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Champion Asia Electronics Co Ltd
Original Assignee
Guangdong Champion Asia Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Champion Asia Electronics Co Ltd filed Critical Guangdong Champion Asia Electronics Co Ltd
Priority to CN201520974126.9U priority Critical patent/CN205556784U/en
Application granted granted Critical
Publication of CN205556784U publication Critical patent/CN205556784U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)
  • ing And Chemical Polishing (AREA)

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

A kind of printed circuit board (PCB) copper chloride etching waste liquid recycling device sour, alkaline
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.
CN201520974126.9U 2015-11-30 2015-11-30 Printed circuit board is sour, alkaline copper chloride etching waste liquor cyclic utilization device Expired - Fee Related CN205556784U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN102976450A (en) Process for recovering alkali from squeezed waste liquid in viscose fiber production
CN102515377B (en) Integrated membrane electroplated nickel-contained rinsing water zero-discharging process and special equipment thereof
CN102107101A (en) High-temperature condensed water recycling and purifying system with ceramic membrane filter
CN106350614A (en) Comprehensive recycling method for preparing hybridization water and acid-base by utilizing malt syrup
CN204661330U (en) A kind of phosphoric acid recovery system of formed aluminum foil production line
CN205556784U (en) Printed circuit board is sour, alkaline copper chloride etching waste liquor cyclic utilization device
CN203021345U (en) Device for fine treatment of water produced by thin interbed low-permeability oilfield adopting ceramic membrane
CN105483706B (en) A kind of printed circuit board acid, alkaline copper chloride etching waste liquid recycling device and its method
CN207877428U (en) A kind of Buddha's warrior attendant wire cutting liquid recycling and processing device
CN216513167U (en) Ultrafiltration concentrated water recycling device for lithium extraction in salt lake
CN206466967U (en) A kind of nitric acid waste purification system produced for formed aluminum foil
CN201791429U (en) Fermented liquid alkali reclaiming device
CN203845874U (en) Nickel electroplating rinsing wastewater zero-emission treatment device
CN208791402U (en) A kind of stainless steel cleaning containing acid wastewater zero discharge waste water unit equipment
CN208594142U (en) A kind of circulating cooling water of power plant zero-emission water treatment system
CN102416297A (en) Technical method for recovering waste alkali liquor with composite ceramic membrane in washing of beer bottles
CN208372617U (en) A kind of PCB de-smear medical filtration equipment for reclaiming
CN204714648U (en) A kind of dregs of beans leaches workshop washing water filtration unit
CN104961265A (en) Six-stage bottom-mounted modular double-water double-membrane water purifier
CN203663710U (en) LED cutting fluid recycling processing device
CN206512022U (en) A kind of online equipment for reclaiming of Ni-containing Plating Wastewater
CN204939105U (en) The two membrane water purifier of the two water of a kind of six grades of underlying moudle types
CN204865170U (en) Copper -containing waste water copper powder recovery unit
CN205133267U (en) Circulating water comprehensive use of resources system of steam power plant
CN203728671U (en) Emission reduction system after washing with ultrapure water in clean production

Legal Events

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

CF01 Termination of patent right due to non-payment of annual fee