CN211620024U - Printed circuit board alkaline etching waste liquid extraction copper washing water ammonia nitrogen treatment device - Google Patents
Printed circuit board alkaline etching waste liquid extraction copper washing water ammonia nitrogen treatment device Download PDFInfo
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- CN211620024U CN211620024U CN202020035617.8U CN202020035617U CN211620024U CN 211620024 U CN211620024 U CN 211620024U CN 202020035617 U CN202020035617 U CN 202020035617U CN 211620024 U CN211620024 U CN 211620024U
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Abstract
The utility model discloses a printed circuit board alkaline etching waste liquid extraction copper washing water ammonia nitrogen treatment device, including second grade washing water recovery pipeline and rectifier, the outside of second grade washing water recovery pipeline bottom is provided with second grade washing water collection tank, and the outside right-hand member of second grade washing water collection tank installs second grade washing water and takes out toward the water pump that one-level was washed. This electrolytic bath one and electrolytic bath two among printed circuit board alkaline etching waste liquid extraction copper washing water ammonia nitrogen treatment device adopt titanium alloy anode, with low-voltage, the heavy current is used in on positive pole and the negative pole, form the strong electric field and force the ammonia nitrogen ion oxidative decomposition in the washing water, make the COD value of ammonia nitrogen and organic sewage reduce by a wide margin, can reach the purpose of water treatment, and reuse in the one-level washing through collecting the second grade washing water, then collect the one-level washing water module, special washing flow, reached and fully cleaned the copper ion and the using water wisely reduces waste water discharge simultaneously.
Description
Technical Field
The utility model relates to an electron environmental protection device technical field specifically is a printed circuit board alkaline etching waste liquid extraction copper washing water ammonia nitrogen treatment device.
Background
With the increasing of PCB enterprises, the environmental protection of the country is more and more, and more PCB enterprises begin to perform clean production. The alkaline etching solution recycling system becomes a standard distribution facility of PCB enterprises.
However, the system has process wastewater (extraction copper washing water) during operation, wherein the ammonia nitrogen content is high, and the existing wastewater treatment facilities of PCB enterprises cannot achieve standard treatment at all, so the wastewater is a pertinence disease which always troubles the PCB enterprises, and therefore, the improvement and innovation are carried out on the basis of the existing ammonia nitrogen treatment device for recycling the extraction copper washing water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a printed circuit board alkaline etching waste liquid extraction copper water ammonia nitrogen treatment device to this system that provides in solving above-mentioned background art has process waste water (extraction copper water) in service, and wherein ammonia nitrogen content is higher, and the unable standard treatment at all of the current waste water treatment facility of PCB enterprise, so this waste water is the problem of the aeipathia of puzzlement PCB enterprise always.
In order to achieve the above object, the utility model provides a following technical scheme: a processing device for extracting ammonia nitrogen from copper washing water by using printed circuit board alkaline etching waste liquid comprises a secondary washing water recovery pipeline and a rectifying machine, wherein a secondary washing water collecting tank is arranged outside the bottom of the secondary washing water recovery pipeline, a water pump for pumping the secondary washing water to primary washing is arranged at the right end outside the secondary washing water collecting tank, the secondary washing water is pumped to the inside of the water pump for pumping the primary washing water and is pumped to the primary washing pipeline, a primary washing water recovery pipeline is arranged at one end outside the primary washing pipeline, a primary washing water collecting tank is arranged outside the bottom of the primary washing water recovery pipeline, a water pump for pumping the primary washing water to an ammonia nitrogen treatment machine is arranged at the right end outside the primary washing water collecting tank, a valve is arranged at the right end outside the water pump for pumping the ammonia nitrogen treatment machine by the primary washing water, and the outside right-hand member of valve installs ammonia nitrogen processor, the rectifier is located the outside right-hand member of ammonia nitrogen processor, the outside one end in second grade washing water collection tank top is provided with auxiliary device.
Preferably, the ammonia nitrogen processor comprises an ammonia nitrogen processor liquid level regulating tank, an electrolytic tank I, an electrolytic tank II and a stripping device, and the ammonia nitrogen processor liquid level regulating tank is arranged in the ammonia nitrogen processor.
Preferably, the first electrolytic tank is installed at one end outside the liquid level regulating tank of the ammonia nitrogen processor, the second electrolytic tank is arranged at one end outside the first electrolytic tank, and the stripping is installed at one end outside the second electrolytic tank.
Preferably, the auxiliary device includes that the protection fills up, links up the piece and rotates the pivot, and auxiliary device's inside surface is provided with the protection and fills up, the middle part of the outside one end of auxiliary device runs through there is the rotation pivot, and rotates the outside both ends of pivot and all install and link up the piece.
Preferably, the middle part of the inside of the connecting block is tightly attached to the two ends of the outside of the rotating shaft, and the middle part of the outside of the rotating shaft is movably connected with the middle part of one end of the inside of the auxiliary device.
Preferably, the upper end of the outside of the ammonia nitrogen processor is provided with a waste gas outlet, and one end of the outside of the waste gas outlet is provided with a waste water station.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the electrolytic bath I and the electrolytic bath II in the device for extracting the ammonia nitrogen from the copper washing water by the alkaline etching waste liquid of the printed circuit board adopt titanium alloy anodes, low voltage and large current are applied to the anodes and the cathodes to form a strong electric field to force the ammonia nitrogen ions in the washing water to be oxidized and decomposed, so that the COD (chemical oxygen demand) values of the ammonia nitrogen and the organic sewage are greatly reduced, the purpose of water treatment can be achieved, and the copper ions are fully cleaned while water is saved and the wastewater discharge is reduced by collecting secondary washing water for primary washing and then collecting a primary washing water module and a special washing process;
2. according to the treatment device for extracting ammonia nitrogen from copper washing water by using the alkaline etching waste liquid of the printed circuit board, the auxiliary device, the protective pad, the connecting block and the rotating shaft are arranged, the protective pad is made of silica gel and is wrapped at the connecting part of the pipeline and the tank body, so that the connecting part is more compact, the auxiliary device can be rotated by utilizing the interaction of the connecting block and the rotating shaft, the structure is simple, the operation is convenient, the tank body can be conveniently overhauled and maintained, and the use by a user is convenient;
3. this printed circuit board alkaline etching waste liquid extraction copper water washes water ammonia nitrogen treatment device second grade washing water is beaten toward ammonia nitrogen processor's water pump through one-level washing water and is beaten toward ammonia nitrogen processor liquid level adjustment tank, then waste water gets into electrolysis trough one and electrolysis trough two, and waste water ammonia nitrogen ion is decomposed fast under the effect of electric field, blows off waste gas and discharges toward pickling exhaust-gas treatment tower through exhaust outlet, reduces the pollution to the external environment, more energy-concerving and environment-protective.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the work flow structure of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a secondary washing water recovery pipeline; 2. a secondary water washing and collecting tank; 3. pumping the secondary washing water to a water pump for primary washing; 4. the secondary washing water is pumped to the primary washing pipeline; 5. a primary washing water recovery pipeline; 6. a first-stage water washing and collecting tank; 7. the primary washing water is pumped to a water pump of the ammonia nitrogen processor; 8. a valve; 9. a liquid level regulating tank of the ammonia nitrogen processor; 10. a first electrolytic tank; 11. a second electrolytic tank; 12. blowing off; 13. an ammonia nitrogen processor; 14. a rectifier; 15. an exhaust gas outlet; 16. a waste water station; 17. an auxiliary device; 1701. a protective pad; 1702. a joining block; 1703. the rotating shaft is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a processing device for extracting ammonia nitrogen from copper washing water by using alkaline etching waste liquid of a printed circuit board comprises a secondary washing water recovery pipeline 1, a secondary washing water collection tank 2, a water pump 3 for pumping secondary washing water to primary washing, a primary washing water recovery pipeline 4 for pumping secondary washing water to the primary washing water, a primary washing water collection tank 5, a primary washing water collection tank 6, a water pump 7 for pumping primary washing water to an ammonia nitrogen processor, a valve 8, a liquid level adjusting tank 9 of the ammonia nitrogen processor, a first electrolytic tank 10, a second electrolytic tank 11, a stripping 12, an ammonia nitrogen processor 13, a rectifier 14, an exhaust gas outlet 15, a wastewater station 16, an auxiliary device 17, a protective pad 1701, a connecting block 1702 and a rotating shaft 1703, wherein the secondary washing water collection tank 2 is arranged outside the bottom of the secondary washing water recovery pipeline 1, and the water pump 3 for pumping secondary washing water to the primary washing water is arranged at the right end outside the secondary washing water collection tank 2, a second-stage washing water is pumped to the inside of a first-stage washing water pump 3 and is pumped to a first-stage washing pipeline 4, a first-stage washing water recovery pipeline 5 is installed at one end of the second-stage washing water which is pumped to the outside of the first-stage washing pipeline 4, a first-stage washing water collection tank 6 is installed at the outside of the bottom of the first-stage washing water recovery pipeline 5, a first-stage washing water pump 7 which is pumped to an ammonia nitrogen processor is arranged at the right end of the outside of the first-stage washing water collection tank 6, a valve 8 is arranged at the right end of the outside of the first-stage washing water collection tank 7 and is pumped to the ammonia nitrogen processor, an ammonia nitrogen processor 13 is installed at the right end of the outside of the valve 8, a waste gas outlet 15 is arranged at the upper end of the outside of the ammonia nitrogen processor 13, a waste water station 16 is installed at one end of the outside of the waste gas outlet 15, the second-stage washing water is pumped to the ammonia nitrogen processor through the first-stage, the ammonia nitrogen ions of the wastewater are rapidly decomposed under the action of an electric field, and the waste gas is blown off by 12 and discharged to an acid washing waste gas treatment tower through a waste gas outlet 15, so that the pollution to the external environment is reduced, and the energy conservation and environmental protection are realized;
the ammonia nitrogen processor 13 comprises an ammonia nitrogen processor liquid level adjusting tank 9, a first electrolytic tank 10, a second electrolytic tank 11 and a blow-off tank 12, the ammonia nitrogen processor liquid level adjusting tank 9 is arranged inside the ammonia nitrogen processor 13, the first electrolytic tank 10 is arranged at one end outside the ammonia nitrogen processor liquid level adjusting tank 9, the second electrolytic tank 11 is arranged at one end outside the first electrolytic tank 10, the blow-off tank 12 is arranged at one end outside the second electrolytic tank 11, the first electrolytic tank 10 and the second electrolytic tank 11 adopt titanium alloy anodes, low voltage and large current are acted on the anodes and the cathodes to form a strong electric field to force ammonia nitrogen ions in water washing to be oxidized and decomposed, the COD value of ammonia nitrogen and organic sewage is greatly reduced, the purpose of water treatment can be achieved, the copper ions are fully cleaned by collecting secondary water washing water for primary water washing, then a primary water washing water module is collected, a special water washing process is achieved, water is saved, and the wastewater discharge is reduced, the rectifier 14 is arranged at the right end outside the ammonia nitrogen treatment machine 13, the auxiliary device 17 is arranged at one end outside the top of the secondary washing water collection tank 2, the auxiliary device 17 comprises a protection pad 1701, a connection block 1702 and a rotating shaft 1703, the protection pad 1701 is arranged on the inner surface of the auxiliary device 17, the rotating shaft 1703 penetrates through the middle of one end outside the auxiliary device 17, the connection blocks 1702 are arranged at two ends outside the rotating shaft 1703, the middle inside the connection block 1702 is tightly attached to two ends outside the rotating shaft 1703, the middle outside the rotating shaft 1703 is movably connected with the middle of one end inside the auxiliary device 17, the protection pad 1701 is made of silica gel and wraps the connection part between the pipeline and the tank body, so that the connection part is more compact, the auxiliary device 17 can be rotated by utilizing the interaction of the connection block 1702 and the rotating shaft 1703, the structure is simple, and the operation is convenient, is convenient for overhaul and maintain the tank body, and is convenient for a user to use.
The working principle is as follows: when the treatment device for extracting the ammonia nitrogen from the copper washing water by the alkaline etching waste liquid of the printed circuit board is used,
the method comprises the following steps: collecting the secondary washing water into a secondary washing water collecting tank 2 through a secondary washing water recovery pipeline 1, pumping the secondary washing water to a primary washing water pump 3, and pumping the secondary washing water to the primary washing water;
step two: collecting the primary washing water to a primary washing water collecting tank 6 through a primary washing water recycling pipeline 5, and pumping the primary washing water to an ammonia nitrogen processor 13 through a water pump 7 of the ammonia nitrogen processor;
step three: the proper liquid level is adjusted through a liquid level adjusting tank 9 of the ammonia nitrogen processor, so that the efficient operation of the ammonia nitrogen processor is ensured;
step four: under the action of a low-voltage high-current electric field, ammonia nitrogen ions in the waste water are oxidized and decomposed by the first electrolytic cell 10 and the second electrolytic cell 11, and are discharged to the acid type waste gas treatment tower through the stripping 12 and the waste gas outlet 15 to reach the standard, so that the using process of the whole printed circuit board alkaline etching waste liquid extraction copper washing water ammonia nitrogen treatment device is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a printed circuit board alkaline etching waste liquid extraction copper washing water ammonia nitrogen treatment device, includes second grade washing water recovery pipeline (1) and rectifier (14), its characterized in that: the device is characterized in that a second-stage washing water collecting tank (2) is arranged outside the bottom of a second-stage washing water recovery pipeline (1), a second-stage washing water pump (3) for pumping the second-stage washing water to the first-stage washing water is arranged at the right end outside the second-stage washing water collecting tank (2), the second-stage washing water pump is arranged inside the first-stage washing water pump (3) for pumping the second-stage washing water to the first-stage washing water and pumps the second-stage washing water to the first-stage washing pipeline (4), a first-stage washing water recovery pipeline (5) is arranged at one end outside the first-stage washing pipeline (4), a first-stage washing water collecting tank (6) is arranged outside the first-stage washing water recovery pipeline (5), a first-stage washing water pump (7) for pumping the first-stage washing water to the ammonia nitrogen treatment machine is arranged at the right end outside the first-stage washing water collecting tank (6), a valve (8) is, and the outside right-hand member of valve (8) installs ammonia nitrogen processor (13), rectifier (14) are located the outside right-hand member of ammonia nitrogen processor (13), the outside one end in second grade washing water collection tank (2) top is provided with auxiliary device (17).
2. The ammonia nitrogen treatment device for the alkaline etching waste liquid of the printed circuit board for extracting the copper washing water according to claim 1, which is characterized in that: the ammonia nitrogen processor (13) comprises an ammonia nitrogen processor liquid level adjusting tank (9), an electrolytic tank I (10), an electrolytic tank II (11) and a stripping device (12), and the ammonia nitrogen processor liquid level adjusting tank (9) is arranged in the ammonia nitrogen processor (13).
3. The ammonia nitrogen treatment device for the alkaline etching waste liquid of the printed circuit board for extracting the copper washing water according to claim 2, which is characterized in that: the ammonia nitrogen treatment machine is characterized in that a first electrolytic tank (10) is installed at one end outside a liquid level adjusting tank (9), a second electrolytic tank (11) is arranged at one end outside the first electrolytic tank (10), and a stripping device (12) is installed at one end outside the second electrolytic tank (11).
4. The ammonia nitrogen treatment device for the alkaline etching waste liquid of the printed circuit board for extracting the copper washing water according to claim 1, which is characterized in that: the auxiliary device (17) comprises a protection pad (1701), a connecting block (1702) and a rotating shaft (1703), the protection pad (1701) is arranged on the inner surface of the auxiliary device (17), the rotating shaft (1703) penetrates through the middle of one end of the outer portion of the auxiliary device (17), and the connecting block (1702) is mounted at two ends of the outer portion of the rotating shaft (1703).
5. The ammonia nitrogen treatment device for the alkaline etching waste liquid of the printed circuit board for extracting the copper washing water according to claim 4, which is characterized in that: the middle part of the inside of the connecting block (1702) is tightly attached to the two ends of the outside of the rotating shaft (1703), and the middle part of the outside of the rotating shaft (1703) is movably connected with the middle part of one end of the inside of the auxiliary device (17).
6. The ammonia nitrogen treatment device for the alkaline etching waste liquid of the printed circuit board for extracting the copper washing water according to claim 1, which is characterized in that: the upper end of the outside of the ammonia nitrogen processor (13) is provided with a waste gas outlet (15), and one end of the outside of the waste gas outlet (15) is provided with a waste water station (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020035617.8U CN211620024U (en) | 2020-01-08 | 2020-01-08 | Printed circuit board alkaline etching waste liquid extraction copper washing water ammonia nitrogen treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020035617.8U CN211620024U (en) | 2020-01-08 | 2020-01-08 | Printed circuit board alkaline etching waste liquid extraction copper washing water ammonia nitrogen treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN211620024U true CN211620024U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020035617.8U Active CN211620024U (en) | 2020-01-08 | 2020-01-08 | Printed circuit board alkaline etching waste liquid extraction copper washing water ammonia nitrogen treatment device |
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| Country | Link |
|---|---|
| CN (1) | CN211620024U (en) |
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- 2020-01-08 CN CN202020035617.8U patent/CN211620024U/en active Active
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