CN209210535U - A kind of PCB etching waste liquor processing unit - Google Patents
A kind of PCB etching waste liquor processing unit Download PDFInfo
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- CN209210535U CN209210535U CN201821829339.2U CN201821829339U CN209210535U CN 209210535 U CN209210535 U CN 209210535U CN 201821829339 U CN201821829339 U CN 201821829339U CN 209210535 U CN209210535 U CN 209210535U
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- tank
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- waste liquid
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Abstract
The utility model discloses a kind of PCB etching waste liquor processing unit, it include: the displacement tank with waste liquid entrance and waste liquid outlet, the waste liquid import is located at the top of tank body, the regeneration flow container for being regenerated by pipeline etching solution and mentioning copper device is connected, ball valve or solenoid valve are equipped between the pipeline, the top of the tank is additionally provided with stirring motor, stirring motor is connected with agitating paddle, tank base is tapered, bracket, which is equipped with, in tank base supports entire tank body, tank base is equipped with waste outlet simultaneously, outlet port is equipped with ball valve or solenoid valve, sedimentation basin is additionally provided in tank base backing positions, waste liquid outlet is located at the side of tank body, it is connected by pipeline with no copper flow container or waste water processing station, wherein magnetic drive pump and ball valve are additionally provided between the pipeline.This practical easy to operate, discharge of no waste water, exhaust gas and waste, what is obtained is low without copper liquid copper content, and replacement result is good.
Description
Technical field
The utility model relates to the devices and improved technology of the processing of PCB etching waste liquor.
Background technique
Etching is used as the important process in printed wiring board (Printed Circuit Board, PCB) manufacturing process, because
Have the characteristics that lateral erosion is small, rate is easily controllable and easy regeneration for etching solution, is widely used.It can be generated in etching process big
The etching waste liquor of amount is handled at present there are mainly two types of etching waste liquors, and one is the outer processing of committee, another is online recycling etching
Liquid and cathode copper, first method can generate a large amount of poisonous and hazardous waste water, and the requirement with country to environmental protection is more and more tighter
Lattice are gradually replaced by second of processing method.Online recycling etching solution and cathode copper can effectively recycle limited
Resource, but at present technology be still not perfect, cannot accomplish 100% reuse etching waste liquor, therefore one can be generated during processing
Partial waste liquid needs are further processed.
The increment waste liquid that online recycling etching solution and electrolysis tech generate, enters in displacement tank, and iron powder is added by waste liquid
In valuable copper cement out, the waste liquid after displacement is mainly frerrous chloride, and frerrous chloride can be used to absorb cathode copper
When the chlorine that generates, while the ferric trichloride that frerrous chloride and chlorine reaction obtain can be fabricated to poly-ferric chloride, realize money
Source maximally utilizes.
Utility model content
The main purpose of the utility model is to provide a kind of PCB etching waste liquor processing unit, it is intended to utilize to greatest extent
Limited resources.To achieve the above object, the utility model proposes a kind of PCB etching waste liquor processing unit, comprising: displacement
Tank, the displacement tank include tank body, and the top of the tank is equipped with stirring motor, waste liquid first entrance, second entrance, dosing mouth
And waste liquid outlet, the tank bottom is tapered, and conical top is additionally provided with precipitating waste outlet；
Preferably, it is equipped with stirring motor at the top of the displacement tank, stirring motor is connected with agitating paddle；
Preferably, the precipitating waste outlet further includes sedimentation basin, and the deposit after displacement can be gone out by precipitating waste material
Mouth, which enters in sedimentation basin, to be filtered, and the sedimentation basin includes filter screen and filtrate collecting tank；
Preferably, the displacement pot bottom is equipped with and is fixedly connected with bracket, and the bottom of bracket is fixed with pedestal；
Preferably, it is equipped with the first branch pipe(tube) in the filtrate collecting tank and is connected to displacement tank waste liquid outlet main pipeline, first
Branch pipe(tube) is connected with main pipeline by threeway, and it is defeated that the waste liquid in displacement tank can pass through main pipeline with the filtered fluid of sedimentation basin together
It send to no copper flow container；
Preferably, the displacement tank waste liquid outlet main pipeline is additionally provided with the second branch pipe(tube) to be connected at the top of displacement tank second useless
Liquid entrance, the second branch pipe(tube) are equipped with sample tap, and branch pipe(tube) is connected with main pipeline by threeway；
Preferably, solenoid valve or ball valve are equipped in the main pipeline, the first branch pipe(tube) and the second branch pipe(tube)；
Preferably, be additionally provided with separate pump on the main pipeline, separate pump be located at the first branch pipe(tube) and the second branch pipe(tube) it
Between.
Beneficial effect
Compared with prior art, the utility model provides a kind of processing unit of PCB acidic etching waste liquid, has following
The utility model has the advantages that
1, the liquid waste treating apparatus is easy to operate, at low cost, is used cooperatively by natural sedimentation and filtering ponds, and filtrate passes through
Diaphragm is pumped back in displacement tank, and the zero-emission of waste liquid may be implemented.
2, the copper ion in etching waste liquor is converted under conditions of stirring motor stirring with low-cost iron powder
Copper sponge, while the ferrous chloride waste fluid after displacement can be fabricated to poly-ferric chloride, and the utilization rate of resource is made to reach maximization；
The use of main pipeline, branch pipe(tube) cooperation diaphragm pump simultaneously, can reduce the usage amount of iron powder.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic perspective view of one embodiment of processing unit of the utility model acidic etching waste liquid；
Fig. 2 is that processing unit one embodiment of the utility model acidic etching waste liquid looks down schematic diagram.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model
It is required that protection scope within.
In the utility model embodiment, as shown in structure chart 1 and top view 2, PCB acidic etching waste liquid processing unit 1
It include: displacement tank 10, displacement tank 10 includes the first import of top of the tank waste liquid 11, the second import of waste liquid 12,13 and of stirring motor
Dosing mouth 14, stirring motor 13 are connected with agitating paddle 131, and the first import 11 passes through the regenerated liquid of pipeline and copper online recycling equipment
Storage tank is connected, and the low copper waste liquid regenerated in liquid storage tank is input in displacement tank 10 by pipeline, when low copper waste liquid reaches displacement tank
When 10 certain liquid level, the ball valve on 11 pipeline of the first import is closed, opens stirring motor 13, stirring motor 13 drives agitating paddle
131 start to stir, and add quantitative iron powder from dosing mouth 14 at this time, continue stirring 1~2 hour in stirring motor 13, and iron powder will
After copper ion in waste liquid cements out, stop stirring motor 13, iron powder and sea after standing 3~4 hours or even the more long time
Continuous copper can sink to displacement pot bottom under gravity, open the ball valve of precipitating waste outlet 15 at this time, and precipitating is put to heavy
It is filtered on filter screen 211 in shallow lake pond 21, since the design of 10 bottom of displacement tank is tapered, precipitating can all pass through precipitating
Waste outlet 15 enters in sedimentation basin 21, is deposited in the washing filtering of filter screen 211, can directly sell after natural air drying.When heavy
After shallow lake is all introduced into sedimentation basin 21, the ball valve on precipitating waste outlet 15 is closed, the ball valve 311 and ball valve of main pipeline 31 are opened
312, the ball valve on the second branch pipe(tube) 41 is opened simultaneously, the content of copper ion in 411 sampling analysis waste liquid of sample tap works as waste liquid
In copper ion concentration be less than 1ppm after, close the second branch pipe(tube) 41 on ball valve, open simultaneously the ball valve 313 on main pipeline 31
With the ball valve on the first branch pipe(tube) 51, the diaphragm pump 314 on main pipeline 31 is opened, it will be in displacement tank 10 and sedimentation basin filter tank 212
Waste liquid be all evacuated in storage tank and store, so that production poly-ferric chloride uses.
In use, when the waste liquid sample copper ion concentration that sample tap 412 takes out is greater than 1ppm, the is opened at this time
Ball valve 312 on ball valve, the second branch pipe(tube) 41 on one branch pipe(tube) 51 and on main pipeline 31 closes ball valve 311, opens diaphragm pump
314 and stirring motor 13, after the filtrate in sedimentation basin filter tank 212 is all evacuated to displacement tank 10, close the ball on main pipeline 31
Valve 312 and diaphragm pump 314 simultaneously close off the ball valve on the first branch pipe(tube) on 51 ball valve and the second branch pipe(tube) 41, in dosing mouth
Quantitative iron powder is added in 14, continues to be kept stirring 13 stirring of motor 1~2 hour, stops stirring motor 13, stands 3~4
Hour so more long, open the ball valve of precipitating waste outlet 15 at this time, precipitating put into mistake on filter screen 211 into sedimentation basin 21
Filter is deposited in the washing filtering of filter screen 211.After precipitating is all introduced into sedimentation basin 21, close on precipitating waste outlet 15
Ball valve opens the ball valve 311 and ball valve 312 of main pipeline 31, the ball valve on the second branch pipe(tube) 41 is opened simultaneously, in sample tap 412
The content of copper ion in analysis again is sampled, after the copper ion concentration in waste liquid is less than 1ppm, closes the second branch pipe(tube)
Ball valve on 41 opens simultaneously the ball valve on the ball valve 313 and the first branch pipe(tube) 51 on main pipeline 31, opens on main pipeline 31
Waste liquid in displacement tank 10 and sedimentation basin filter tank 212 is all evacuated in storage tank and stores by diaphragm pump 314.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (6)
1. a kind of PCB etching waste liquor processing unit characterized by comprising the displacement tank of the inlet and outlet of etching waste liquor, institute
The entrance for stating displacement tank is located at top of the tank, and stirring motor is equipped in tank body, and the stirring motor is equipped with agitating paddle, tank body bottom
Portion is tapered and is equipped with bracket support, and tank base is equipped with waste outlet, and outlet port is equipped with solenoid valve, in tank base bracket
Position is additionally provided with sedimentation basin, and waste liquid outlet is located at the side of tank body, by pipeline and without copper flow container or waste water processing station phase
Even, wherein being additionally provided with magnetic drive pump and ball valve between the pipeline.
2. a kind of PCB etching waste liquor processing unit as described in claim 1, which is characterized in that the waste liquid import is located at
At the top of displacement tank, the waste liquid outlet after displacement is located at displacement tank side, and solid precipitates the then bottom again after natural sedimentation
Outlet excludes.
3. a kind of PCB etching waste liquor processing unit as claimed in claim 2, which is characterized in that the tank top is equipped with stirring
Motor, stirring motor are connected with agitating paddle.
4. a kind of PCB etching waste liquor processing unit as claimed in claim 2, which is characterized in that the waste outlet is additionally provided with
The filtrate of sedimentation basin, sedimentation basin can be connected to waste liquid outlet pipeline by pipeline.
5. a kind of PCB etching waste liquor processing unit as claimed in claim 4, which is characterized in that the waste liquid of the displacement tank goes out
Mouth is connected to no copper flow container by pipeline, while being additionally provided with return line is back to waste liquid in displacement tank.
6. a kind of PCB etching waste liquor processing unit as claimed in any one of claims 1 to 5, the liquid in the displacement tank is logical
Solenoid valve and magnetic drive pump are equipped with when piping, PLC system can control the opening and closing of solenoid valve and magnetic drive pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821829339.2U CN209210535U (en) | 2018-11-07 | 2018-11-07 | A kind of PCB etching waste liquor processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821829339.2U CN209210535U (en) | 2018-11-07 | 2018-11-07 | A kind of PCB etching waste liquor processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209210535U true CN209210535U (en) | 2019-08-06 |
Family
ID=67458570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821829339.2U Active CN209210535U (en) | 2018-11-07 | 2018-11-07 | A kind of PCB etching waste liquor processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209210535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111001823A (en) * | 2019-12-31 | 2020-04-14 | 江西粤鹏环保高新技术开发有限公司 | Method and equipment for preparing nano-grade copper powder by using etching waste liquid and waste aluminum sheets |
| CN113368601A (en) * | 2021-06-01 | 2021-09-10 | 深圳市辉煌星电子有限公司 | Waste liquid treatment device in PCB production process |
-
2018
- 2018-11-07 CN CN201821829339.2U patent/CN209210535U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111001823A (en) * | 2019-12-31 | 2020-04-14 | 江西粤鹏环保高新技术开发有限公司 | Method and equipment for preparing nano-grade copper powder by using etching waste liquid and waste aluminum sheets |
| CN113368601A (en) * | 2021-06-01 | 2021-09-10 | 深圳市辉煌星电子有限公司 | Waste liquid treatment device in PCB production process |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210112 Address after: 518101 plant 201, building 10, Fuhua Industrial Zone, Nanhao Avenue, Tangwei community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Qixin Environmental Protection Technology Co.,Ltd. Address before: 518101 A / F, building B1, zone 1, Fuhai street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN QIXIN TIANZHENG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |