CN207143310U - A kind of copper removal device applied to circuit board acidic etching waste liquor - Google Patents
A kind of copper removal device applied to circuit board acidic etching waste liquor Download PDFInfo
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- CN207143310U CN207143310U CN201720985016.1U CN201720985016U CN207143310U CN 207143310 U CN207143310 U CN 207143310U CN 201720985016 U CN201720985016 U CN 201720985016U CN 207143310 U CN207143310 U CN 207143310U
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- type filter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model discloses a kind of copper removal device applied to circuit board acidic etching waste liquor, and it includes filter centrifugal, filtrate receiver, tube type filter membrance device, resin adsorption tank, the first delivery pump, the second delivery pump, the 3rd delivery pump；During work, through filter centrifugal filter caused by copper carbonate turbid liquid enter in filtrate receiver, liquid in filtrate receiver enters to progress tubular type hyperfiltration treatment in tube type filter membrance device under the driving effect of the first delivery pump, clear liquid caused by tube type filter membrance device is entered in resin adsorption tank under the driving effect of the 3rd delivery pump, and a small amount of copper ion in resin adsorption tank absorption clear liquid simultaneously causes clear liquid to reach discharge standard；Concentrated liquid is back in filtrate receiver under the driving effect of the second delivery pump caused by tube type filter membrance device, and then realizes concentrated liquid circulating filtration.By said structure design, the utility model has the advantages of novel in structural design, copper removal are thorough, good purification, environment protecting are good.
Description
Technical field
Circuit board acidic etching waste liquor processing unit technical field is the utility model is related to, more particularly to one kind is applied to line
The copper removal device of road board acidic etching waste liquor.
Background technology
World technology is fast-developing, promotes the rise of circuit board etching industry, and is discharged after the etching of soda acid etching solution a large amount of
Cupric mother liquor, this is valuable resource, and professional has given the attention of height, it is proposed that the side of many effective recovery copper
Method.
Wherein, prior art generally uses carbonate to be chemically reacted with circuit board acidic etching waste liquor and obtained with precipitating
Copper；However, after carbonate is added into waste liquid, how thoroughly the copper filtering in waste liquid to be removed and be just particularly important.
Utility model content
The purpose of this utility model is to provide a kind of copper removal device applied to circuit board acidic etching waste liquor, the application
In the copper removal apparatus structure of circuit board acidic etching waste liquor is novel in design, copper removal is thorough, good purification, environment protecting are good.
To reach above-mentioned purpose, the utility model is achieved through the following technical solutions.
A kind of copper removal device applied to circuit board acidic etching waste liquor, it is micro- to include filter centrifugal, filtrate receiver, tubular type
Filter membrane device, resin adsorption tank；
Filter centrifugal includes organic frame, and the upper end of frame is equiped with the metal in writing board shape and horizontal cross arrangement
Support, the upper end side of metal seat be equiped with cylindrical shape and it is internal up and down completely through metal shell, metal shell
The upper surface sealing welding of lower edge and metal seat, metal seat offered on the inside of metal shell up and down completely through
Support through hole, metal seat is equiped with the rotating shaft that the edge part sealing of edge part and support through hole is spirally connected in support lead to the hole site
Mounting seat, rotating shaft mounting seat offer up and down completely through shaft mounting hole, rotatably install in shaft mounting hole
Have in the drive shaft that is vertically arranged, the bottom of drive shaft extends to the lower end side of rotating shaft mounting seat, drive shaft it is upper
End extends to the upper end side of rotating shaft mounting seat；Metal seat is equiped with motor, motor in the side of metal shell
Power output shaft and drive shaft bottom drive connection；The inside of metal shell can phase in the upper end side of rotating shaft mounting seat
To being rotationally equiped with centrifugation inner bag, centrifuge inner bag inside form up and down completely through centrifugal chamber, centrifuge inner bag
The upper end of lower edge section and rotating shaft mounting seat is tightly connected, centrifugation inner bag and metal shell arranged for interval and centrifugation inner bag with
Filtering chamber is formed between metal shell；The upper end of drive shaft is equiped with the drive disk in centrifugal chamber, driving
Disk is connected with centrifugation inner bag；The upper end of metal shell is screwed with shell cover, and shell cover is equiped with towards supplying in centrifugal chamber
To the centrifugation feed tube of waste liquid, the bottom of metal shell is equiped with towards overhanging and what is connected with filtering chamber is centrifuged out liquid
Pipe, rotating shaft mounting seat are equiped with bottom and extend to rotating shaft mounting seat lower end side and the dump skip connected with centrifugal chamber；
Centrifuge drain pipe to connect by the inlet of liquid-transport pipe-line and filtrate receiver, the liquid outlet of filtrate receiver passes through liquid-transport pipe-line
It is connected with the inlet of tube type filter membrance device and defeated between the inlet of the liquid outlet of filtrate receiver and tube type filter membrance device
Liquid pipe road is equiped with the first delivery pump, and the concentrated solution outlet of tube type filter membrance device passes through liquid-transport pipe-line and the inlet of filtrate receiver
Connect and the liquid-transport pipe-line between the concentrated solution outlet of tube type filter membrance device and the inlet of filtrate receiver is equiped with the second conveying
Pump, the purified liquor outlet of tube type filter membrance device is connected by liquid-transport pipe-line with the inlet of resin adsorption tank and tube type filter membrance fills
Liquid-transport pipe-line between the purified liquor outlet and the inlet of resin adsorption tank put is equiped with the 3rd delivery pump；
The copper removal device for being applied to circuit board acidic etching waste liquor also includes the PLC being electrically connected with external power source and controlled
Device processed, motor, the first delivery pump, the second delivery pump, the 3rd delivery pump are electrically connected with PLC respectively.
Wherein, the inside of the dump skip is equiped with the electrically-controlled valve for controlling dump skip on off operating mode, electrically-controlled valve and institute
State PLC electric connection.
Wherein, the lower surface of the metal seat is equiped with the damping shock absorber being distributed in uniform intervals, damping shock absorber
Bottom be connected with the frame of the filter centrifugal.
Wherein, the shell cover is equiped with transparent observation window.
Wherein, the metal seat is stainless steel support, and the metal shell is stainless steel casing.
The beneficial effects of the utility model are：It is described in the utility model a kind of applied to circuit board acidic etching waste liquor
Copper removal device, it includes filter centrifugal, filtrate receiver, tube type filter membrance device, resin adsorption tank；Filter centrifugal includes organic
Frame, the upper end of frame are equiped with the metal seat in writing board shape and horizontal cross arrangement, the upper end side installing of metal seat
Have cylindrical shape and it is internal up and down completely through metal shell, the lower edge of metal shell and the upper surface of metal seat
Sealing welding, metal seat offered on the inside of metal shell up and down completely through support through hole, metal seat is in support
The edge part that lead to the hole site is equiped with edge part and support through hole seals the rotating shaft mounting seat being spirally connected, and rotating shaft mounting seat offers
Under completely through shaft mounting hole, be rotatably equiped with shaft mounting hole in the drive shaft being vertically arranged, drive
The bottom of turn axle extends to the lower end side of rotating shaft mounting seat, and the upper end of drive shaft extends to the upper end of rotating shaft mounting seat
Side；Metal seat is equiped with motor in the side of metal shell, under the power output shaft and drive shaft of motor
End drive connection；The inside of metal shell is rotatably equiped with centrifugation inner bag in the upper end side of rotating shaft mounting seat, from
The inside of intracardiac courage form up and down completely through centrifugal chamber, centrifuge the upper of the lower edge section of inner bag and rotating shaft mounting seat
End part seal connects, and centrifuges and forms filter chamber between inner bag and metal shell arranged for interval and centrifugation inner bag and metal shell
Room；The upper end of drive shaft is equiped with the drive disk in centrifugal chamber, and drive disk is connected with centrifugation inner bag；Metal shell
Upper end be screwed with shell cover, shell cover is equiped with towards the centrifugation feed tube that waste liquid is supplied in centrifugal chamber, outside metal
The bottom of shell is equiped with towards the centrifugation drain pipe for overhanging and being connected with filtering chamber, rotating shaft mounting seat and is equiped with bottom and prolongs
Extend rotating shaft mounting seat lower end side and the dump skip connected with centrifugal chamber；Centrifuge drain pipe and pass through liquid-transport pipe-line and filtrate receiver
Inlet is connected, and the liquid outlet of filtrate receiver is connected by liquid-transport pipe-line with the inlet of tube type filter membrance device and filtrate receiver goes out
Liquid-transport pipe-line between the inlet of liquid mouth and tube type filter membrance device is equiped with the first delivery pump, tube type filter membrance device it is dense
The outlet of contracting liquid passes through the connection of the inlet of liquid-transport pipe-line and filtrate receiver and the concentrated solution outlet and filtrate receiver of tube type filter membrance device
Inlet between liquid-transport pipe-line be equiped with the second delivery pump, the purified liquor outlet of tube type filter membrance device by liquid-transport pipe-line with
Resin adsorption tank inlet connection and it is defeated between the purified liquor outlet of tube type filter membrance device and the inlet of resin adsorption tank
Liquid pipe road is equiped with the 3rd delivery pump；The copper removal device for being applied to circuit board acidic etching waste liquor also includes and external power source
The PLC of electric connection, motor, the first delivery pump, the second delivery pump, the 3rd delivery pump respectively with PLC
It is electrically connected with.By said structure design, the utility model has thorough novel in structural design, copper removal, good purification, environmental protection
The advantages of effect is good.
Brief description of the drawings
The utility model is further detailed below with accompanying drawing, but the embodiment in accompanying drawing is not formed pair
Any restrictions of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of filter centrifugal of the present utility model.
Fig. 3 is circuit board acidic etching waste liquor process chart.
Include in Fig. 1 into Fig. 3：
1 --- filter centrifugal 11 --- frame
12 --- metal seat 121 --- support through holes
131 --- metal shell 132 --- shell covers
141 --- rotating shaft mounting seat 142 --- drive shafts
143 --- motors 15 --- centrifuge inner bag
161 --- centrifugal chamber 162 --- filtering chamber
17 --- drive disks 181 --- centrifuge feed tube
182 --- centrifugation drain pipe 183 --- dump skips
19 --- damping shock absorber 2 --- filtrate receivers
3 --- tube type filter membrance device 4 --- resin adsorption tanks
51 --- the first delivery pump 52 --- second delivery pumps
53 --- the 3rd delivery pump.
Embodiment
The utility model is illustrated with reference to specific embodiment.
As depicted in figs. 1 and 2, a kind of copper removal device applied to circuit board acidic etching waste liquor, includes centrifugal filtration
Machine 1, filtrate receiver 2, tube type filter membrance device 3, resin adsorption tank 4.
Wherein, filter centrifugal 1 includes organic frame 11, and the upper end of frame 11 is equiped with writing board shape and horizontal cross
The metal seat 12 of arrangement, the upper end side of metal seat 12 be equiped with cylindrical shape and it is internal up and down completely through metal outside
Shell 131, the lower edge of metal shell 131 and the upper surface sealing welding of metal seat 12, metal seat 12 is in metal shell
131 inner side offer up and down completely through support through hole 121, metal seat 12 is equiped with side in the position of support through hole 121
The rotating shaft mounting seat 141 that the edge part sealing of edge and support through hole 121 is spirally connected, rotating shaft mounting seat 141 offers complete up and down
The shaft mounting hole run through, rotatably it is equiped with shaft mounting hole and turns in the drive shaft 142 being vertically arranged, driving
The bottom of axle 142 extends to the lower end side of rotating shaft mounting seat 141, and the upper end of drive shaft 142 extends to rotating shaft mounting seat
141 upper end side；Metal seat 12 is equiped with motor 143, the power of motor 143 in the side of metal shell 131
Output shaft and the bottom drive connection of drive shaft 142；The inside of metal shell 131 is in the upper end side of rotating shaft mounting seat 141
Rotatably be equiped with centrifugation inner bag 15, centrifugation inner bag 15 inside form up and down completely through centrifugal chamber 161,
Centrifuge the lower edge section of inner bag 15 to be tightly connected with the upper end of rotating shaft mounting seat 141, centrifugation inner bag 15 and metal shell 131
Filtering chamber 162 is formed between arranged for interval and centrifugation inner bag 15 and metal shell 131；The upper end dress of drive shaft 142
Provided with the drive disk 17 in centrifugal chamber 161, drive disk 17 is connected with centrifugation inner bag 15；The upper end of metal shell 131
Shell cover 132 is screwed with, shell cover 132 is equiped with the centrifugation feed tube 181 towards supply waste liquid in centrifugal chamber 161, gold
The bottom of category shell 131 is equiped with towards the centrifugation drain pipe 182 for overhanging and being connected with filtering chamber 162, rotating shaft mounting seat
141, which are equiped with bottom, extends to the lower end side of rotating shaft mounting seat 141 and the dump skip 183 connected with centrifugal chamber 161；Wherein,
The power output shaft of motor 143 can pass through belt gear and the bottom drive connection of drive shaft 142.
Further, centrifugation drain pipe 182 is connected by liquid-transport pipe-line with the inlet of filtrate receiver 2, and filtrate receiver 2 goes out liquid
Mouth is connected by liquid-transport pipe-line with the inlet of tube type filter membrance device 3 and the liquid outlet of filtrate receiver 2 and tube type filter membrance device 3
Inlet between liquid-transport pipe-line be equiped with the first delivery pump 51, the concentrated solution outlet of tube type filter membrance device 3 passes through transfusion
The inlet of pipeline and filtrate receiver 2 connects and between the concentrated solution outlet of tube type filter membrance device 3 and the inlet of filtrate receiver 2
Liquid-transport pipe-line is equiped with the second delivery pump 52, and the purified liquor outlet of tube type filter membrance device 3 passes through liquid-transport pipe-line and resin adsorption tank 4
Inlet connection and between the purified liquor outlet of tube type filter membrance device 3 and the inlet of resin adsorption tank 4 liquid-transport pipe-line dress
Provided with the 3rd delivery pump 53.
Further, should also include applied to the copper removal device of circuit board acidic etching waste liquor electrical with external power source
The PLC of connection, motor 143, the first delivery pump 51, the second delivery pump 52, the 3rd delivery pump 53 are controlled with PLC respectively
Device processed is electrically connected with.
It should further be noted that the inside of dump skip 183 is equiped with the electrically-controlled valve for controlling the on off operating mode of dump skip 183,
Electrically-controlled valve is electrically connected with PLC.
It need to be explained further, stainless steel material system can be respectively adopted in metal seat 12 of the present utility model, metal shell 131
Standby to form, i.e., metal seat 12 of the present utility model is stainless steel support, and metal shell 131 is stainless steel casing；Certainly, it is above-mentioned
Metal material is not formed to limitation of the present utility model, i.e., metal seat 12 of the present utility model, metal shell 131 can be with
It is prepared using titanium, carbon steel material.
For filter centrifugal 1 of the present utility model, rotating shaft mounting seat 141 is fixture, rotating shaft mounting seat 141
Edge part can be locked by the edge part of lock screw and support through hole 121 and connected, and between the two can be by sealing accordingly
Coil structures are tightly connected to realize.Drive disk 17 of the present utility model, centrifugation inner bag 15 are movable part, centrifuge the lower end of inner bag 15
Edge part is contacted with the upper end of rotating shaft mounting seat 141 and can realized by ring structure and is tightly connected.It is of the present utility model
Drive shaft 142 is installed in the shaft mounting hole of rotating shaft mounting seat 141, and the inner end of shaft mounting hole can install sealing ring knot
Structure, to ensure to seal between shaft mounting hole upper end and drive shaft 142.
As shown in figures 1 and 3, during utility model works, the wiring board acid etching that adding has sodium carbonate is given up
Liquid is entered to after being reacted in reactor before pump in groove, and the liquid entered to before pump in groove pumped by corresponding pump it is paramount
In the groove of position, the liquid entered in head tank is entered in centrifugal chamber 161 via centrifugation feed tube 181, wherein, sodium carbonate
Occur to chemically react and generate copper carbonate with waste liquid；Control motor 143 and confession of the motor 143 in PLC
To pump startup, the drive shaft 142 driven by motor 143 drives drive disk 17 and the centrifugation synchronous axial system of inner bag 15,
The centrifugation inner bag 15 of rotation produces operating on centrifugal force, and the turbid liquid for now carrying part copper carbonate is perpendicular via centrifugation inner bag 15
Entered to the filter bores of wall surface in filtering chamber 162, and the turbid liquid entered in filtering chamber 162 is via centrifugation
Drain pipe 182 and be passed through to filtrate receiver 2, the turbid liquid in filtrate receiver 2 enters under the driving effect of the first delivery pump 51
Enter to tube type filter membrance device 3, tube type filter membrance device 3 carries out tubular type hyperfiltration treatment to turbid liquid, through tube type filter membrance
Device 3 filters caused clear liquid and is passed through under the driving effect of the 3rd delivery pump 53 to resin adsorption tank 4, resin adsorption
Tank 4 carries out adsorption filtration processing to clear liquid, with a small amount of copper ion entrained in adsorption filtration clear liquid and causes clear liquid to reach row
Put standard；Wherein, driving of the concentrated liquid that the concentrated solution outlet through tube type filter membrance device 3 is discharged in the second delivery pump 52
Effect is lower and is back in filtrate receiver 2, and carries out circulating filtration to concentrate by tube type filter membrance device 3.
In addition, electrically-controlled valve is installed inside dump skip 183 of the present utility model, when needs will be stranded in centrifugal chamber 161
When interior copper carbonate sediment is discharged, PLC control electrically-controlled valve is opened, and now, copper carbonate sediment is via dump skip 183
And discharge.Wherein, during motor 143 starts, PLC control electrically-controlled valve is closed.
From the above situation, it can be seen that, by said structure design, the utility model has novel in structural design, copper removal thorough
The advantages of bottom, good purification, good environment protecting.
As preferred embodiment, as shown in Fig. 2 the lower surface of metal seat 12 is equiped with uniform intervals distribution
Damping shock absorber 19.Metal seat 12 of the present utility model is plate armature, and the metal seat 12 of the structure design can have
Effect ground reduces the center of gravity of centrifugal filtration part, and then it is more steady make it that filter centrifugal 1 operates.For of the present utility model
For damping shock absorber 19, it can effectively eliminate vibration, and then can effectively simplify operational maintenance.
As preferred embodiment, shell cover 132 is equiped with transparent observation window.For sight of the present utility model
For examining form, staff can be directly viewable centrifugal filtration situation by observation window.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications
To limitation of the present utility model.
Claims (5)
- A kind of 1. copper removal device applied to circuit board acidic etching waste liquor, it is characterised in that：Include filter centrifugal（1）、 Filtrate receiver（2）, tube type filter membrance device（3）, resin adsorption tank（4）；Filter centrifugal（1）Including organic frame（11）, frame（11）Upper end be equiped with writing board shape and horizontal cross cloth The metal seat put（12）, metal seat（12）Upper end side be equiped with cylindrical shape and it is internal up and down completely through metal Shell（131）, metal shell（131）Lower edge and metal seat（12）Upper surface sealing welding, metal seat（12） In metal shell（131）Inner side offer up and down completely through support through hole（121）, metal seat（12）In support through hole （121）Position is equiped with edge part and support through hole（121）The rotating shaft mounting seat that is spirally connected of edge part sealing（141）, rotating shaft peace Fill seat（141）Offer up and down completely through shaft mounting hole, be rotatably equiped with shaft mounting hole in vertical The drive shaft of arrangement（142）, drive shaft（142）Bottom extend to rotating shaft mounting seat（141）Lower end side, driving turn Axle（142）Upper end extend to rotating shaft mounting seat（141）Upper end side；Metal seat（12）In metal shell（131）Side Side is equiped with motor（143）, motor（143）Power output shaft and drive shaft（142）Bottom driving connect Connect；Metal shell（131）Inside in rotating shaft mounting seat（141）Upper end side be rotatably equiped with centrifugation inner bag （15）, centrifuge inner bag（15）Inside form up and down completely through centrifugal chamber（161）, centrifuge inner bag（15）Lower end edge Edge and rotating shaft mounting seat（141）Upper end be tightly connected, centrifuge inner bag（15）With metal shell（131）Arranged for interval and from Intracardiac courage（15）With metal shell（131）Between form filtering chamber（162）；Drive shaft（142）Upper end be equiped with Positioned at centrifugal chamber（161）Interior drive disk（17）, drive disk（17）With centrifuging inner bag（15）Connection；Metal shell（131）'s Upper end is screwed with shell cover（132）, shell cover（132）It is equiped with towards centrifugal chamber（161）The centrifugation of interior supply waste liquid Feed tube（181）, metal shell（131）Bottom be equiped with towards overhanging and and filtering chamber（162）Connection is centrifuged out Liquid pipe（182）, rotating shaft mounting seat（141）It is equiped with bottom and extends to rotating shaft mounting seat（141）Lower end side and and centrifugal chamber （161）The dump skip of connection（183）；Centrifuge drain pipe（182）Pass through liquid-transport pipe-line and filtrate receiver（2）Inlet connection, filtrate receiver（2）Liquid outlet pass through Liquid-transport pipe-line and tube type filter membrance device（3）Inlet connection and filtrate receiver（2）Liquid outlet and tube type filter membrance device（3） Inlet between liquid-transport pipe-line be equiped with the first delivery pump（51）, tube type filter membrance device（3）Concentrated solution outlet pass through Liquid-transport pipe-line and filtrate receiver（2）Inlet connection and tube type filter membrance device（3）Concentrated solution outlet and filtrate receiver（2）Enter Liquid-transport pipe-line between liquid mouth is equiped with the second delivery pump（52）, tube type filter membrance device（3）Purified liquor outlet pass through woven hose Road and resin adsorption tank（4）Inlet connection and tube type filter membrance device（3）Purified liquor outlet and resin adsorption tank（4）Enter Liquid-transport pipe-line between liquid mouth is equiped with the 3rd delivery pump（53）；The copper removal device for being applied to circuit board acidic etching waste liquor also includes the PLC being electrically connected with external power source and controlled Device, motor（143）, the first delivery pump（51）, the second delivery pump（52）, the 3rd delivery pump（53）Respectively with PLC It is electrically connected with.
- A kind of 2. copper removal device applied to circuit board acidic etching waste liquor according to claim 1, it is characterised in that：Institute State dump skip（183）Inside be equiped with for controlling dump skip（183）The electrically-controlled valve of on off operating mode, electrically-controlled valve and the PLC Controller is electrically connected with.
- A kind of 3. copper removal device applied to circuit board acidic etching waste liquor according to claim 1, it is characterised in that：Institute State metal seat（12）Lower surface be equiped with uniform intervals be distributed damping shock absorber（19）, damping shock absorber（19）Under End and the filter centrifugal（1）Frame（11）Connection.
- A kind of 4. copper removal device applied to circuit board acidic etching waste liquor according to claim 1, it is characterised in that：Institute State shell cover（132）It is equiped with transparent observation window.
- A kind of 5. copper removal device applied to circuit board acidic etching waste liquor according to claim 1, it is characterised in that：Institute State metal seat（12）For stainless steel support, the metal shell（131）For stainless steel casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720985016.1U CN207143310U (en) | 2017-08-08 | 2017-08-08 | A kind of copper removal device applied to circuit board acidic etching waste liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720985016.1U CN207143310U (en) | 2017-08-08 | 2017-08-08 | A kind of copper removal device applied to circuit board acidic etching waste liquor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207143310U true CN207143310U (en) | 2018-03-27 |
Family
ID=61674633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720985016.1U Expired - Fee Related CN207143310U (en) | 2017-08-08 | 2017-08-08 | A kind of copper removal device applied to circuit board acidic etching waste liquor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207143310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170354A (en) * | 2019-12-31 | 2020-05-19 | 东莞市广华化工有限公司 | Purification device for recovering basic copper carbonate from acidic etching waste liquid and use method thereof |
-
2017
- 2017-08-08 CN CN201720985016.1U patent/CN207143310U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170354A (en) * | 2019-12-31 | 2020-05-19 | 东莞市广华化工有限公司 | Purification device for recovering basic copper carbonate from acidic etching waste liquid and use method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20210808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |