CN212924617U - Recycling device of washing water after copper plating for electroplating - Google Patents
Recycling device of washing water after copper plating for electroplating Download PDFInfo
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- CN212924617U CN212924617U CN202020017494.5U CN202020017494U CN212924617U CN 212924617 U CN212924617 U CN 212924617U CN 202020017494 U CN202020017494 U CN 202020017494U CN 212924617 U CN212924617 U CN 212924617U
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Abstract
The utility model discloses a retrieval and utilization device of wash water after electroplating with copper-plating, including a plurality of copper-plating rinsing ponds, including the at least three booster pump of first booster pump, second booster pump and third booster pump, the reaction precipitation tank, the DF membrane, middle water tank, one-level reverse osmosis system, second grade reverse osmosis, activation rear pool and a plurality of connecting pipe. The utility model can realize the on-line recycling of the washing water after the acid copper is washed; the simultaneous treatment of the acid copper post-washing water and the activated post-washing water is realized.
Description
Technical Field
The utility model relates to a recycling device of washing water after copper plating for electroplating.
Background
In the prior art, the water after the washing of the electroplated copper plating water is not subjected to advanced treatment but is directly discharged or only subjected to primary treatment, so that the waste of water resources is caused, and simultaneously, the discharged sewage contains acid and salt used in copper plating, so that the sewage contains a large amount of harmful heavy metal ions, and the pH value is too small to easily cause environmental pollution.
Disclosure of Invention
In order to solve the technical problem, an object of the utility model is to provide a retrieval and utilization device of washing water after electroplating with copper facing.
The utility model discloses a following technical scheme realizes:
a recycling device of water after copper plating for electroplating comprises a plurality of copper plating water washing pools, at least three booster pumps including a first booster pump, a second booster pump and a third booster pump, a reaction precipitation tank, a DF membrane, an intermediate water tank, a primary reverse osmosis system, a secondary reverse osmosis, an activated water pool and a plurality of connecting pipes;
the copper-plated washing tank is connected to the first booster pump through a connecting pipe and then connected to the reaction settling tank through a connecting pipe; the reaction precipitation tank is also provided with two-end interfaces, one end of the reaction precipitation tank is connected to the sewage treatment station, the other end of the reaction precipitation tank is connected to a second booster pump through a connecting pipe, and the other end of the second booster pump is connected to the DF membrane through a connecting pipe; pumping the washing water after copper plating to a reaction precipitation tank through the first booster pump for reaction precipitation, wherein the reaction precipitation tank can monitor the precipitation amount of precipitates in the reaction precipitation tank, the precipitates are discharged to a sewage treatment station, and the residual liquid is pumped to a DF membrane through a second booster pump for filtration;
the DF membrane is connected to the middle water tank, and liquid filtered by the DF membrane flows to the middle water tank; the middle water tank is also connected to a third booster pump through a connecting pipe and then connected to the primary reverse osmosis system through a connecting pipe, so that liquid in the middle water tank is pumped into the primary reverse osmosis system through the third booster pump for secondary filtration;
the first-stage reverse osmosis system is also provided with two end interfaces, one end of the first-stage reverse osmosis system is connected to the second-stage reverse osmosis system through a connecting pipe, and the other end of the first-stage reverse osmosis system is connected to the sewage treatment station through a connecting pipe, so that concentrated water formed after the first-stage reverse osmosis system is filtered is discharged to the sewage treatment station, and the rest of liquid is filtered for the third time through the second-stage reverse osmosis system;
the second grade reverse osmosis system still is provided with both ends interface, and wherein one end is passed through the connecting pipe and is linked back to middle water tank, and the other end is connected to the washing pond after the activation through the connecting pipe, consequently the concentrated water after filtering through second grade reverse osmosis system arrange to middle water tank, the retrieval and utilization of washing water after the copper facing is carried out to the washing pond after the activation to all the other liquid.
Preferably, the reaction precipitation tank is also connected with a pH automatic regulating system and an ORP automatic dosing system for regulating the pH value and the oxide content of the washing water.
Preferably, the intermediate water tank is used for buffering and adjusting the difference of the treated water quantity between the DF membrane and the reverse osmosis system.
Preferably, the outlet water of the washing water after being filtered by the first-stage reverse osmosis system and the second-stage reverse osmosis system meets the water quality requirement of pure water for a production line.
The utility model discloses following beneficial effect has: realizing the on-line recycling of the acid copper post-washing water; the simultaneous treatment of the acid copper post-washing water and the activated post-washing water is realized.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of the present invention.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to the attached figure 1 of the specification, the device for recycling the washing water after copper plating for electroplating is specifically arranged as follows: the system comprises a booster pump connected with an acid copper washing machine 1 through a connecting pipe, and a reaction precipitation tank connected with an outlet of the booster pump through a connecting pipe, wherein the reaction precipitation tank is provided with a PH automatic regulating system and an ORP automatic dosing system (a system for dosing an oxidation reducing agent by measuring an oxidation reduction potential), the precipitation amount of precipitates in the reaction precipitation tank is monitored, and the precipitates are discharged to a sewage treatment station; the booster pump that links to each other through connecting pipe and reaction precipitation tank, DF membrane (microfiltration membrane) that links to each other through connecting pipe and booster pump exit end, go out the middle water tank that the water end links to each other through connecting pipe and DF membrane, the booster pump that links to each other through connecting pipe and middle water tank, the one-level reverse osmosis system that links to each other through connecting pipe and booster pump export, the one-level reverse osmosis system goes out the water end and links to each other with second grade reverse osmosis system through the connecting pipe, the concentrated water play water end of one-level reverse osmosis system discharges to sewage treatment station through the connecting pipe, second grade reverse osmosis system goes out the water end and links to each other with activation back washing. Wherein: the reaction precipitation tank is matched with a pH automatic regulating system and an ORP automatic dosing system to regulate the pH value and the oxide content of the washing water; the DF membrane mainly has the function of filtering the washing water adjusted by the PH automatic adjusting system and the ORP automatic dosing system, and meets the water inlet requirement of the reverse osmosis membrane system; the middle water tank plays a role in buffering and is used for adjusting the difference of the treated water quantity between the DF membrane and the reverse osmosis system; the reverse osmosis system mainly filters the washing water, so that the outlet water meets the water quality requirement of the pure water for the production line.
A method for recycling water after copper plating for electroplating comprises the following steps:
(1) pumping the washing water after copper plating to a reaction precipitation tank through a first booster pump for reaction precipitation, wherein the reaction precipitation tank is provided with a PH automatic regulating system and an ORP automatic dosing system, the reaction precipitation tank can also monitor the precipitation amount of precipitates in the reaction precipitation tank, the precipitates are discharged to a sewage treatment station, and the residual liquid is pumped to a DF membrane through a second booster pump for filtration;
(2) the liquid filtered by the DF membrane flows to an intermediate water tank; liquid in the middle water tank is pumped into the first-stage reverse osmosis system through a third booster pump for secondary filtration;
(3) concentrated water formed after the filtration by the first-stage reverse osmosis system is discharged to a sewage treatment station, and the rest liquid is filtered for the third time by the second-stage reverse osmosis system;
(4) and discharging the concentrated water filtered by the secondary reverse osmosis system to the intermediate water tank, and discharging the rest liquid to the activated washing tank for recycling the washing water after copper plating.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (4)
1. A recycling device of water after copper plating for electroplating is characterized by comprising a plurality of copper plating washing pools, at least three booster pumps including a first booster pump, a second booster pump and a third booster pump, a reaction sedimentation tank, a DF membrane, an intermediate water tank, a primary reverse osmosis system, a secondary reverse osmosis system, an activated water pool and a plurality of connecting pipes;
the copper-plated washing tank is connected to the first booster pump through a connecting pipe and then connected to the reaction settling tank through a connecting pipe; the reaction precipitation tank is also provided with two-end interfaces, one end of the reaction precipitation tank is connected to the sewage treatment station, the other end of the reaction precipitation tank is connected to a second booster pump through a connecting pipe, and the other end of the second booster pump is connected to the DF membrane through a connecting pipe;
the DF membrane is connected to the middle water tank, and liquid filtered by the DF membrane flows to the middle water tank; the middle water tank is also connected to a third booster pump through a connecting pipe and then connected to the first-stage reverse osmosis system through a connecting pipe;
the first-stage reverse osmosis system is also provided with two end interfaces, wherein one end of the first-stage reverse osmosis system is connected to the second-stage reverse osmosis system through a connecting pipe, and the other end of the first-stage reverse osmosis system is connected to the sewage treatment station through a connecting pipe;
the second-stage reverse osmosis system is also provided with two end connectors, one end of the second-stage reverse osmosis system is connected to the middle water tank through a connecting pipe in a returning mode, and the other end of the second-stage reverse osmosis system is connected to the activated water washing pool through a connecting pipe.
2. The recycling device of the washing water after copper plating for electroplating according to claim 1, wherein the reaction precipitation tank is further connected with a pH automatic adjusting system and an ORP automatic dosing system for adjusting the pH value and the oxide content of the washing water.
3. The apparatus for recycling washing water after copper plating for electrolytic plating according to claim 1 or 2, wherein the intermediate tank serves as a buffer for adjusting the difference in the amount of treated water between the DF membrane and the reverse osmosis system.
4. The recycling device of the washing water after the copper plating for the electroplating according to claim 3, characterized in that the effluent of the washing water after being filtered by the first-stage reverse osmosis system and the second-stage reverse osmosis system meets the water quality requirement of the production line pure water with the conductivity less than 20 μ s/cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017494.5U CN212924617U (en) | 2020-01-06 | 2020-01-06 | Recycling device of washing water after copper plating for electroplating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017494.5U CN212924617U (en) | 2020-01-06 | 2020-01-06 | Recycling device of washing water after copper plating for electroplating |
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| CN212924617U true CN212924617U (en) | 2021-04-09 |
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| CN202020017494.5U Active CN212924617U (en) | 2020-01-06 | 2020-01-06 | Recycling device of washing water after copper plating for electroplating |
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