CN207046879U - The preparation system of circuit board etching Sewage treatment production basic copper chloride - Google Patents
The preparation system of circuit board etching Sewage treatment production basic copper chloride Download PDFInfo
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- CN207046879U CN207046879U CN201720871485.0U CN201720871485U CN207046879U CN 207046879 U CN207046879 U CN 207046879U CN 201720871485 U CN201720871485 U CN 201720871485U CN 207046879 U CN207046879 U CN 207046879U
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- etching
- preheater
- alkaline
- waste liquid
- acidic
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- Manufacturing Of Printed Circuit Boards (AREA)
Abstract
The utility model discloses a kind of wastewater recycling system, specifically a kind of preparation system of circuit board etching Sewage treatment production basic copper chloride, including acidic etching waste liquid preheater, alkaline etching waste liquid for producing preheater and acidic and alkaline waste etching solution neutralization reaction kettle；The first nano-filtration unit is connected at the inlet of acidic etching waste liquid preheater and alkaline etching waste liquid for producing preheater, described acidic etching waste liquid preheater, the second nano-filtration unit is respectively equipped between alkaline etching waste liquid for producing preheater and acidic and alkaline waste etching solution neutralization reaction kettle, the inlet of second nano-filtration unit respectively with acidic etching waste liquid preheater, the liquid outlet of alkaline etching waste liquid for producing preheater is connected, the liquid outlet of second nano-filtration unit is connected with the liquid feeding end of acidic and alkaline waste etching solution neutralization reaction kettle, pass through first, second nano-filtration unit retains the hydrone in pending acidic and alkaline waste etching solution, realize the effect of concentration, reduce the total pending amount of acidic and alkaline waste etching solution, improve treatment effeciency, save processing cost.
Description
Technical field
A kind of wastewater recycling system is the utility model is related to, specifically a kind of circuit board etching Sewage treatment production
The preparation system of basic copper chloride.
Background technology
In the prior art, etching waste liquor is the mistake for dissolving copper by chemical corrosion method in printed wiring board etching work procedure
Caused by journey, acid and alkaline two classes can be also further divided into by its acid-base property.
The etching mechanism of acid copper chloride etching liquid is：Cu+CuCl2→Cu2Cl2；Cu2Cl2+4Cl-→2(CuCl3)2-；
The etching mechanism of alkaline copper chloride etching solution is：CuCl2+4NH3→Cu(NH3)4Cl2；Cu(NH3)4Cl2+Cu→2Cu
(NH3)2Cl.Etching solution produces largely acid waste liquid or alkaline waste liquor containing copper ion after being recycled for multiple times, due to
Copper belongs to heavy metal, has toxicity.Acid waste liquid and alkaline waste liquor are directly discharged and polluted the environment certainly, and causes resource
Waste, reclaiming this kind of acid or alkaline waste water usually using poisoning relatively low metal by copper ion from acidity in the prior art
Or cemented out in alkaline waste water, its production cost is higher, and needs to consume substantial amounts of resource.
The way of major printed board factory is to store waste liquid in advance, is placed in the pond or storage tank of sealing and waits other unit to draw
Processing is walked, can only so solve problem at the moment, due to the problem of reclaiming processed in units capacity, it is impossible to all absorbs major printed boards
Waste liquid caused by factory, the production space of manufacturing enterprise is not only occupied, also increases the operation cost of enterprise, cure the symptoms, not the disease,
The effect for recycling production can not be reached.
For the unit of special disposal etching waste liquor, its common practice is to extract the copper in acidic and alkaline waste etching solution, production
The products such as basic copper chloride, copper sulphate, cupric oxide or organic copper, and for the copper products of high-purity.It can typically show to acid
Alkali etching liquid is refined respectively, removes the impurity such as arsenic therein, lead, then makes acidic and alkaline waste etching solution that neutralization reaction, generation occur
Basic copper chloride precipitates, and after further reaction, can produce the products such as cupric oxide, copper sulphate.
, it is necessary to keep 60-100 DEG C of temperature, in actually generating, one during acidic and alkaline waste etching solution neutralization reaction
As first acidic and alkaline waste etching solution can be preheated respectively, after preheat, then they are pumped into acidic and alkaline waste etching solution neutralization reaction kettle
Middle carry out neutralization reaction, because the amount of pending acidic and alkaline waste etching solution is generally very big, this etching waste liquor that needs are incubated or
It is to be required for special big for the volume of the kettle of neutralization reaction, the investment for equipment is larger, for corresponding auxiliary device
Propose higher requirement.
Utility model content
The purpose of this utility model is to provide a kind of preparation system of circuit board etching Sewage treatment production basic copper chloride
System, the circuit board etching pending amount of waste water is reduced, improve the treatment effeciency of etching waste water.
To achieve these goals, the technical solution adopted in the utility model is：A kind of circuit board etching Sewage treatment life
The preparation system of basic copper chloride is produced, including acidic etching waste liquid preheater, alkaline etching waste liquid for producing preheater and soda acid etching are given up
Liquid neutralization reaction kettle；It is connected at described acidic etching waste liquid preheater and the inlet of alkaline etching waste liquid for producing preheater
First nano-filtration unit, it is in described acidic etching waste liquid preheater, alkaline etching waste liquid for producing preheater and acidic and alkaline waste etching solution and anti-
Answer and the second nano-filtration unit is respectively equipped between kettle, the inlet of the second described nano-filtration unit preheats with acidic etching waste liquid respectively
Device, the liquid outlet of alkaline etching waste liquid for producing preheater are connected, the liquid outlet of the second nano-filtration unit and acidic and alkaline waste etching solution neutralization reaction
The liquid feeding end of kettle is connected.
Preferably, described acidic etching waste liquid preheater bottom is provided with the first steam inlet and connected with the first steam inlet
The pipeline connect, the alkaline etching waste liquid for producing preheater bottom are respectively equipped with the second steam inlet and are connected with the second steam inlet
Pipeline, the pipe surface inside acidic etching waste liquid preheater and alkaline etching waste liquid for producing preheater are provided with the hole of discharge steam
Hole.
Preferably, described pipeline is Ti-Ni alloy pipeline.
Preferably, the molecular weight of the NF membrane of the first described nano-filtration unit is 50-100 dalton.
Preferably, the molecular weight of the NF membrane of the second described nano-filtration unit is 100-200 dalton.
Preferably, described acidic etching waste liquid preheater, alkaline etching waste liquid for producing preheater and acidic and alkaline waste etching solution neutralize
Reactor is provided with tap water inlets.
Compared with prior art, preparation system provided by the utility model, will be pending by first, second nano-filtration unit
Acidic and alkaline waste etching solution in hydrone retention, realize the effect of concentration, reduce the total pending amount of acidic and alkaline waste etching solution, improve
Treatment effeciency, save processing cost.
Brief description of the drawings
Fig. 1 is that circuit board provided by the utility model etches the signal that Sewage treatment produces basic copper chloride preparation system
Figure；
Fig. 2 is acid and alkaline etching waste liquid for producing preheater schematic diagram；
Label declaration in figure：10th, acidic etching waste liquid preheater；11st, the first steam inlet；20th, alkaline etching waste liquid for producing is pre-
Hot device；21st, the second steam inlet；30th, acidic and alkaline waste etching solution neutralization reaction kettle；40th, the first nano-filtration unit；50th, the second nanofiltration list
Member；60th, pipeline；61st, hole.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in Figure 1, 2, the utility model provides a kind of system of circuit board etching Sewage treatment production basic copper chloride
Standby system, including acidic etching waste liquid preheater 10, alkaline etching waste liquid for producing preheater 20 and acidic and alkaline waste etching solution neutralization reaction kettle
30；First is connected at described acidic etching waste liquid preheater 10 and the inlet of alkaline etching waste liquid for producing preheater 20 to receive
Unit 40 is filtered, it is in described acidic etching waste liquid preheater 10, alkaline etching waste liquid for producing preheater 20 and acidic and alkaline waste etching solution and anti-
Answer and be respectively equipped with the second nano-filtration unit 50 between kettle 30, the inlet of the second described nano-filtration unit 50 gives up with acid etching respectively
Liquid preheater 10, the liquid outlet of alkaline etching waste liquid for producing preheater 20 are connected, the liquid outlet of the second nano-filtration unit 50 and soda acid etch
The liquid feeding end of waste liquid neutralization reaction kettle 30 is connected.
Preparation system provided by the utility model, the total amount of pending acidic and alkaline waste etching solution can be effectively reduced, cut
Hydrone therein is stayed, reduces the total amount for the solution for participating in acid-base neutralization reaction, improves the efficiency of processing, reduces circuit board etching
The processing cost of waste water.
Further, the described bottom of acidic etching waste liquid preheater 10 be provided with the first steam inlet 11 and with the first steam
The pipeline 60 that entrance 11 connects, the bottom of alkaline etching waste liquid for producing preheater 20 are respectively equipped with the second steam inlet 21 and with second
The pipeline 60 that steam inlet 21 connects, the pipe inside acidic etching waste liquid preheater 10 and alkaline etching waste liquid for producing preheater 20
Road surface is provided with the hole 61 of discharge steam, and steam sprays from hole 61, also acts the effect of stirring.
Further, the pipeline 60 described in the utility model is Ti-Ni alloy pipeline, solves pipeline not acid and alkali resistance
Anticorrosion.
Further, according to the utility model, the molecular weight of the NF membrane of the first described nano-filtration unit 40 is 50-100
Dalton.
Further, according to the utility model, the molecular weight of the NF membrane of the second described nano-filtration unit 50 is 100-200
Dalton.
Further, described acidic etching waste liquid preheater 10, alkaline etching waste liquid for producing preheater 20 and soda acid etching are useless
Liquid neutralization reaction kettle 30 is provided with tap water inlets, after the completion of reaction, running water can be passed through into reactor at once and entered
Row cleaning.
Foregoing description is only the description to the utility model section Example, not to any limit of the scope of the utility model
Fixed, the those of ordinary skill of the industry can make improvement or modification according to the utility model to above-described embodiment, but belong to this
Utility model protection scope.
Claims (6)
1. a kind of preparation system of circuit board etching Sewage treatment production basic copper chloride, including acidic etching waste liquid preheater,
Alkaline etching waste liquid for producing preheater and acidic and alkaline waste etching solution neutralization reaction kettle；It is characterized in that：Described acidic etching waste liquid preheating
The first nano-filtration unit, the preheating of described acidic etching waste liquid are connected at the inlet of device and alkaline etching waste liquid for producing preheater
The second nano-filtration unit is respectively equipped between device, alkaline etching waste liquid for producing preheater and acidic and alkaline waste etching solution neutralization reaction kettle, it is described
The inlet of second nano-filtration unit is connected with the liquid outlet of acidic etching waste liquid preheater, alkaline etching waste liquid for producing preheater respectively,
The liquid outlet of second nano-filtration unit is connected with the liquid feeding end of acidic and alkaline waste etching solution neutralization reaction kettle.
2. the preparation system of circuit board etching Sewage treatment production basic copper chloride according to claim 1, its feature exist
In：Described acidic etching waste liquid preheater bottom is provided with the first steam inlet and the pipeline being connected with the first steam inlet, institute
State alkaline etching waste liquid for producing preheater bottom and be respectively equipped with the second steam inlet and the pipeline being connected with the second steam inlet, positioned at acid
Property etching waste liquor preheater and alkaline etching waste liquid for producing preheater inside pipe surface be provided with discharge steam hole.
3. the preparation system of circuit board etching Sewage treatment production basic copper chloride according to claim 2, its feature exist
In：Described pipeline is Ti-Ni alloy pipeline.
4. the preparation system of circuit board etching Sewage treatment production basic copper chloride according to claim 1, its feature exist
In：The molecular weight of the NF membrane of the first described nano-filtration unit is 50-100 dalton.
5. the preparation system of circuit board etching Sewage treatment production basic copper chloride according to claim 1, its feature exist
In：The molecular weight of the NF membrane of the second described nano-filtration unit is 100-200 dalton.
6. the preparation system of circuit board etching Sewage treatment production basic copper chloride according to claim 1, its feature exist
In：Described acidic etching waste liquid preheater, alkaline etching waste liquid for producing preheater and acidic and alkaline waste etching solution neutralization reaction kettle is respectively provided with
There are tap water inlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720871485.0U CN207046879U (en) | 2017-07-18 | 2017-07-18 | The preparation system of circuit board etching Sewage treatment production basic copper chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720871485.0U CN207046879U (en) | 2017-07-18 | 2017-07-18 | The preparation system of circuit board etching Sewage treatment production basic copper chloride |
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| Publication Number | Publication Date |
|---|---|
| CN207046879U true CN207046879U (en) | 2018-02-27 |
Family
ID=61496542
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720871485.0U Expired - Fee Related CN207046879U (en) | 2017-07-18 | 2017-07-18 | The preparation system of circuit board etching Sewage treatment production basic copper chloride |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844931A (en) * | 2019-12-13 | 2020-02-28 | 中山市中环环保废液回收有限公司 | Synthetic kettle and production method for producing alkali copper by recovering PCB (printed circuit board) etching waste liquid |
| CN115928078A (en) * | 2022-12-12 | 2023-04-07 | 深圳晶恒宇环境科技有限公司 | Etching waste liquid cyclic regeneration and cuprous chloride, copper recovery system |
-
2017
- 2017-07-18 CN CN201720871485.0U patent/CN207046879U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844931A (en) * | 2019-12-13 | 2020-02-28 | 中山市中环环保废液回收有限公司 | Synthetic kettle and production method for producing alkali copper by recovering PCB (printed circuit board) etching waste liquid |
| CN110844931B (en) * | 2019-12-13 | 2023-08-11 | 中山市中环环保废液回收有限公司 | Synthesis kettle for producing alkali copper by recycling PCB etching waste liquid and production method |
| CN115928078A (en) * | 2022-12-12 | 2023-04-07 | 深圳晶恒宇环境科技有限公司 | Etching waste liquid cyclic regeneration and cuprous chloride, copper recovery system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |