CN209098830U - The copper recovery system of waste discharge - Google Patents
The copper recovery system of waste discharge Download PDFInfo
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- CN209098830U CN209098830U CN201821728678.1U CN201821728678U CN209098830U CN 209098830 U CN209098830 U CN 209098830U CN 201821728678 U CN201821728678 U CN 201821728678U CN 209098830 U CN209098830 U CN 209098830U
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- waste liquid
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 70
- 239000010949 copper Substances 0.000 title claims abstract description 70
- 239000002699 waste material Substances 0.000 title claims abstract description 58
- 238000011084 recovery Methods 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 92
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 61
- 239000002351 wastewater Substances 0.000 claims abstract description 47
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 239000012535 impurity Substances 0.000 claims abstract description 6
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 29
- 229910001431 copper ion Inorganic materials 0.000 claims description 29
- 238000004065 wastewater treatment Methods 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 11
- 239000002912 waste gas Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000010907 mechanical stirring Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 2
- 229940079593 drug Drugs 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 230000036642 wellbeing Effects 0.000 abstract 1
- 101100372509 Mus musculus Vat1 gene Proteins 0.000 description 8
- 238000007599 discharging Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- HHXYJYBYNZMZKX-UHFFFAOYSA-N 3,4:15,16-diepoxy-7-oxo-13(16),14-clerodadien-20,12-olide-(3alpha,4alpha)-form Natural products C12CCC3C4(C)CCCC(C)(C)C4CCC3(C)C1(C)CCC1C2(C)CCC1C(=C)C HHXYJYBYNZMZKX-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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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- Electrolytic Production Of Metals (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a kind of copper recovery systems of waste discharge, comprising: collecting tank, for collecting contained waste liquid；Filter device, for filtering out the visual impurity in contained waste liquid；Electrolysis unit, for being electrolysed contained waste liquid the copper in waste liquid is precipitated；Collecting tank, filter device, electrolysis unit are sequentially connected, and the shifting pump by being arranged between collecting tank and filter device realizes waste liquid conveying.The utility model realizes electrolytic recovery copper using the copper recovery system that collecting tank, filter device, electrolysis unit are constituted, not only greatly reduce operation and drug cost of the enterprise to sewage treatment, keep the waste water of discharge completely up to standard, it is more in line with environmental requirement, fine copper can also be precipitated, copper surface quality is high, creates economic well-being of workers and staff for enterprise.
Description
Technical Field
The utility model relates to a recovery unit especially relates to a copper recovery system who discharges waste water.
Background
In the production process of the electric contact, a pickling waste liquid containing high-concentration copper ions is discharged, and the waste liquid needs to be subjected to copper recovery treatment and then discharged to a waste water treatment station. At present, the traditional chemical treatment method is mostly adopted to recycle and treat the copper-containing waste liquid, however, the treatment method needs to add a large amount of chemical agents, and simultaneously generates a large amount of sludge containing heavy metals, thereby not only increasing the cost of sewage treatment in the production process of enterprises, but also causing the waste of resources.
SUMMERY OF THE UTILITY MODEL
The utility model provides a copper recovery system of emission waste water, it adopts the electrolysis mode to carry out recovery processing to the copper-containing waste liquid, has overcome prior art and has adopted the weak point that chemical treatment mode exists to the copper-containing waste liquid to and draw the technical degree of difficulty of copper in the follow mud.
The utility model provides a technical scheme that its technical problem adopted is: a copper recovery system for discharging wastewater comprising:
the collecting tank is used for collecting the copper-containing waste liquid;
the filtering device is used for filtering visible impurities in the copper-containing waste liquid;
an electrolysis device for electrolyzing the copper-containing waste liquid to separate out copper in the waste liquid;
the collecting tank, the filtering device and the electrolysis device are sequentially connected, and waste liquid conveying is realized through a transfer pump arranged between the collecting tank and the filtering device.
Furthermore, the electrolytic device is a spiral-flow type electrolytic device and comprises an electrolytic barrel, a cathode cylinder and an anode piece, wherein the cathode cylinder and the anode piece are arranged in the electrolytic barrel, and the cathode cylinder and the anode piece are respectively and electrically connected with an external rectifier; the side wall of the lower part of the electrolytic tank is provided with a liquid inlet, and the side wall of the upper part of the electrolytic tank is provided with a liquid outlet.
Furthermore, the cathode cylinder is formed by coiling a stainless steel plate, and can be taken out, flattened and folded; the anode piece is made of a titanium tube and is positioned on the axis of the cathode cylinder.
Furthermore, the number of the electrolysis devices is multiple, the multiple electrolysis devices are connected together to form an electrolysis module, and the waste liquid finally flowing out after the electrolysis of the electrolysis module is discharged to a waste water treatment station when the copper ion content in the waste liquid is reduced to a set value, or the waste liquid is conveyed to a recovery collecting tank for secondary recovery treatment.
Further, many sets of electrolytic device concatenate together, and first grade electrolytic device's inlet is connected filter equipment's liquid outlet, last grade electrolytic device's liquid outlet through first switching device and conveying line connect the waste water treatment station with the collecting vat to reduce the waste liquid to the waste water treatment station when the copper ion content in the waste liquid reduces to the setting value, carry otherwise retrieve the collecting vat and carry out secondary recovery processing.
Furthermore, the multiple sets of electrolysis devices are connected in parallel, each parallel branch comprises one or more electrolysis devices connected in series, and a liquid inlet of a first-stage electrolysis device of each parallel branch is connected with a liquid outlet of the same filtering device or is connected with a liquid outlet of one filtering device respectively; the liquid outlets of the last-stage electrolytic devices of all the parallel paths are respectively connected with the wastewater treatment station and the collecting tank through a first switch device and a conveying pipeline so as to discharge the wastewater to the wastewater treatment station when the content of copper ions in the wastewater is reduced to a set value, otherwise, the wastewater is conveyed to a recovery collecting tank for secondary recovery treatment.
Furthermore, a copper ion content detection piece is arranged on the final-stage electrolysis device and is electrically connected with the first switch device so as to control the first switch device to act; or the last-stage electrolysis device is provided with a sampling switch, the copper ion content is detected by manual sampling, and the first switch device is controlled to act.
Furthermore, a water level detection device is installed on the collecting tank and electrically connected with a second switch device connected with the liquid inlet end of the collecting tank so as to control the second switch device to be opened and closed.
Further, a stirring device is installed on the collecting tank and used for stirring the copper-containing waste liquid entering the collecting tank, and the stirring device is a mechanical stirring device or an air stirring device.
Furthermore, a heating device is installed on the collecting tank, the heating device is a steam heating device, a temperature control device and a waste gas collecting device are further installed on the collecting tank, the temperature control device is connected with the steam heating device, and the waste gas collecting device is connected to a waste gas treatment tower.
Furthermore, a groove cover is arranged on the collecting groove to reduce the emission of waste gas and the splashing of solution.
Further, filter equipment includes the filter vat and sets up the cotton core of PP or the active carbon filter core in this filter vat, and the filter vat bottom is equipped with inlet and liquid outlet.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. adopt the copper recovery system that collecting vat, filter equipment, electrolytic device constitute to realize the electrolysis and retrieve copper, not only greatly reduced the enterprise to sewage treatment's operation and the cost of offeing medicine, make the waste water of emission up to standard completely, accord with the environmental protection requirement more, can also appear pure copper, copper surface quality is high.
2. The electrolysis device comprises an electrolysis barrel, a cathode barrel and an anode piece, and is compared with the prior straight plate cathode and anode electrolysis in a square groove, the electrolysis device has smaller volume and lower equipment cost. In particular, the cathode cylinder is formed by coiling a stainless steel plate, can be taken out, flattened and folded, and is more convenient for stripping copper attached to the cathode cylinder.
3. Electrolytic device sets up to many sets to concatenate and/or connect together in parallel, and final stage electrolytic device's liquid outlet through first switching device and conveying line connection waste water treatment station with the collecting vat can realize multistage electrolysis to copper-containing waste liquid, not only improves electrolytic efficiency greatly, improves the copper rate of recovery, can also ensure to discharge to the waste water of waste water recovery station really realize no coppering (do not contain copper ion or copper ion content accord with the regulation standard), change in waste water treatment.
4. The arrangement of the stirring device and the heating device can accelerate the electrolysis process and improve the electrolysis efficiency.
5. The number of the electrolytic devices connected in series is selected according to the electrolytic efficiency, the components can be connected in parallel with a plurality of sets to electrolyze large-flow waste water, the waste water discharge is hardly limited, the number of the series connection and the number of the parallel connection can be randomly combined, the application is flexible, and the large and small sewage stations can be suitable.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment, and a copper recovery system for discharging waste water is provided.
Drawings
Fig. 1 is a schematic view of the overall structure of the first embodiment of the present invention;
FIG. 2 is a schematic view showing the internal structure of a single electrolyzer of the present invention,
FIG. 3 is a top view of the electrolytic tank according to the first embodiment of the present invention;
FIG. 4 is a schematic view of the overall structure of the second embodiment of the present invention;
fig. 5 is a schematic view of the overall structure of the third embodiment of the present invention.
Detailed Description
Example one
Referring to fig. 1 to 3, the copper recovery system for discharging waste water of the present invention includes:
a collecting tank 1 for collecting copper-containing waste liquid;
the filtering device 3 is used for filtering visible impurities in the copper-containing waste liquid;
an electrolysis device 4 for electrolyzing the copper-containing waste liquid to separate out copper in the waste liquid;
the collecting tank 1, the filtering device 3 and the electrolysis device 4 are connected in sequence, and waste liquid conveying is realized through a transfer pump 2 arranged between the collecting tank 1 and the filtering device 3.
In this embodiment, the electrolysis apparatus 4 is a spiral-flow type electrolysis apparatus, and includes an electrolysis barrel 41, a cathode cylinder 42 and an anode member 43 disposed in the electrolysis barrel 41, wherein the cathode cylinder 42 and the anode member are electrically connected to an external rectifier 44 respectively; the side wall of the lower part of the electrolytic tank 41 is provided with a liquid inlet 411, the side wall of the upper part is provided with a liquid outlet 412, and the axis of the liquid inlet of the electrolytic tank 41 is vertical to the axis of the liquid outlet, as shown in fig. 3.
In this embodiment, the cathode cylinder 42 is formed by winding a 1t stainless steel plate, has a diameter of 200mm, is positioned on the inner circumferential side of the electrolytic tub 41, and the cathode cylinder 42 is taken out, flattened, and folded. The anode piece 43 is an anode rod positioned on the axis of the cathode cylinder 42, the anode rod is made of a titanium tube with the diameter of 63mm, and the bottom end of the anode rod is fixed at the bottom of the electrolytic barrel 41. The electrolysis device 4 realizes electrolysis through the liquid flow of spiral-flow type, and under the effect of rectifier 44, the copper ion in the waste liquid can be educed and is attached on cathode cylinder 42, takes out cathode cylinder 42 when the copper layer on cathode cylinder 42 reaches certain deposition thickness or the copper ion concentration in the waste liquid is on the low side to adopt external force to make the copper layer drop from cathode cylinder 42 with modes such as this cathode cylinder 42 exhibition flat, folding, form the pure copper that can sell outward.
In this embodiment, the electrolyzed waste liquid is finally discharged to a waste water treatment station or sent back to the collecting tank 1 for secondary recovery treatment according to the content of copper ions in the waste liquid: and if the copper ion content in the electrolyzed waste liquid is higher than a set value, returning the electrolyzed waste liquid to the collecting tank, otherwise, discharging the electrolyzed waste liquid to a waste water treatment station. Specifically, the flow direction of the electrolyzed waste liquid can be switched by adopting a first switching device and a conveying pipeline, and the copper ion content in the electrolyzed waste liquid is detected by adopting an automatic detection piece or a manual detection mode. The number of the electrolytic devices 4 is multiple, and the multiple sets of electrolytic devices 4 are connected together to form an electrolytic module, so that more waste liquid can be treated and/or the recovery rate of copper can be improved. The waste liquid which finally flows out after the electrolysis of the electrolysis module is selectively discharged to a waste water treatment station or sent back to the collecting tank 1 for secondary recovery treatment according to the content of copper ions in the waste liquid.
In this embodiment, the sets of electrolytic devices are connected in series, and the liquid inlet of the first-stage (i.e., the first) electrolytic device is connected to the liquid outlet of the filtering device 3, and the liquid outlet of the last-stage (i.e., the last) electrolytic device is connected to the wastewater treatment station (not shown in the figure) and the collecting tank 1 through the first switch device 5 and the conveying pipeline, so that when the content of copper ions in the wastewater is reduced to a set value, the wastewater is discharged to the wastewater treatment station, otherwise, the wastewater is conveyed to the recovery collecting tank 1 for secondary recovery treatment. Specifically, the last electrolytic device 4 is provided with a copper ion content detector 6 (automatic analyzer). The detecting member 6 is electrically connected to the first switch device 5 to control the operation of the first switch device 5. The first switch device 5 specifically adopts a two-position three-way electromagnetic valve, and is preferably normally open, in an initial state, the final-stage electrolysis device is communicated with the wastewater treatment station, and when the detection piece 6 detects that the copper ion content of the waste liquid in the final-stage electrolysis device is higher than a set value, a signal is sent to the first switch device 5, so that the first switch device 5 is electrified and transposed, a connecting passage between the final-stage electrolysis device and the wastewater treatment station is closed, and a connecting passage between the final-stage electrolysis device and the collecting tank 1 is opened. The number of the electrolytic devices 4 is set according to the concentration of copper ions in the copper-containing waste liquid.
In this embodiment, a water level detection device 7 is installed on the collecting tank 1, and the water level detection device 7 is electrically connected to a second switch device 12 connected to the liquid inlet end of the collecting tank 1 to control the second switch device 12 to open and close. This second switching device 12 can adopt a normally open solenoid valve that advances one and go out, and when the water level of collecting vat 1 did not reach the setting value, the copper-containing waste water of discharging can flow into collecting vat 1 in the production process, and when water level detection device 7 detected that the water level of collecting vat 1 reached the setting value, send the signal for second switching device 12, make its circular telegram transposition, forbid the copper-containing waste water of discharging in the production process to flow into collecting vat 1 again. In this embodiment, install agitating unit 8 on collecting vat 1 for the copper-containing waste liquid that the stirring got into in collecting vat 1, this agitating unit 8 specifically is mechanical agitating unit, including driving motor and by the rotatory stirring rake of this driving motor drive, the stirring rake stretches into in the collecting vat 1. In addition, the stirring device 8 may be an air stirring device. The stirring device 8 can accelerate the electrolytic process and promote the uniform distribution of the electrolytic copper layer.
In this embodiment, a heating device, specifically, a steam heating device 9a is installed on the collecting tank 1, a temperature control device 10 and an exhaust gas collecting device 11 are also installed on the collecting tank 1, and the temperature control device 10 is connected to a control motor valve 9b of the steam heating device 9 a. When the steam heating device 9a heats the wastewater in the collecting tank 1 to 50-60 ℃, the motor valve 9b is controlled to be automatically closed to stop heating, and conversely, when the temperature is reduced to a set value, the motor valve 9b is controlled to be automatically opened to heat again, so that the tank liquid reaches the set temperature. The purpose of the heating is to increase the electrolytic efficiency of the copper. The waste gas collecting device 11 is connected with an air pipe and connected into an outdoor waste gas treatment tower so as to improve the indoor air environment.
In this embodiment, a tank cover 13 is arranged on the collecting tank 1, the water level detection device 7, the temperature control device 10, the steam heating device 9a and the stirring device 8 are specifically installed on the tank cover 13 of the collecting tank 1, and the steam heat exchange pipe of the steam heating device 9a extends into the collecting tank 1.
In this embodiment, filter equipment 3 includes the filter vat and sets up the cotton core of PP or the active carbon filter core in this filter vat, chooses for use according to quality of water situation and use cost, and the filter vat bottom is equipped with inlet and liquid outlet. The filtering device 3 can filter out visible impurities in the copper-containing wastewater so as to improve the surface quality of electrolytic copper.
The utility model discloses a copper recovery system of emission waste water, the during operation, copper-containing waste liquid flow in the collecting vat 1 in preheat and the stirring, carry by transfer pump 2 after to filter equipment 3 and carry out visible impurity and filter, get into the electrolysis process through filterable copper-containing waste liquid, realize electrolytic treatment step by a plurality of electrolytic device 4. After the electrolysis is finished, whether the waste liquid is discharged to a waste water treatment station or is conveyed to a recovery collecting tank 1 for secondary recovery treatment is automatically selected according to the content of copper ions in the last electrolysis device 4. The utility model discloses a copper recovery system who discharges waste water to discharge copper-containing waste water 25 tons every month, copper ion concentration 5000mg/L is for example, can retrieve pure copper 950 kilograms after the electrolysis, approximately closes 2.6 ten thousand yuan, gets rid of equipment running cost, can create income 20 more ten thousand yuan a year. Therefore, the utility model discloses can greatly reduced sewage treatment cost, avoid the wasting of resources to make the waste water of emission completely up to standard, accord with the environmental protection requirement more.
Example two
Please refer to fig. 4, which is different from the first embodiment in that: the multiple sets of electrolysis devices 4 are connected in parallel, each parallel branch comprises multiple electrolysis devices connected in series, and a liquid inlet of a first-stage electrolysis device of each parallel branch is connected with a liquid outlet of the filtering device 3; the liquid outlets of the final-stage electrolytic devices of all the parallel paths are respectively connected with the wastewater treatment station and the collecting tank 1 through the first switch device 5 and the conveying pipeline so as to discharge the wastewater to the wastewater treatment station when the content of copper ions in the wastewater is reduced to a set value, otherwise, the wastewater is conveyed to the recovery collecting tank 1 for secondary recovery treatment.
During operation, each parallel branch is alternately and circularly used, so that the waste liquid after electrolysis can continuously flow to a waste water treatment station, and the copper-containing waste water discharged in the production process can also continuously flow into the collecting tank 1. In addition, the above-mentioned parallel connection paths can be used simultaneously. Therefore, the utility model discloses can satisfy the recovery processing demand when copper-containing waste water's emission is very big.
EXAMPLE III
Please refer to fig. 5, which is different from the first embodiment in that: and the final-stage electrolysis device is provided with a sampling switch 5c, the copper ion content is detected by manual timing sampling, and the first switch device is controlled to act. The first switching device comprises in particular two manually controlled switching valves 5a, 5b, one of which 5a controls the connection of the final electrolysis device to the collecting tank 1 and the other 5b controls the connection of the final electrolysis device to the wastewater treatment station. The utility model discloses an artifical sampling test copper ion content compares with adopting automatic analyzer to detect copper ion content, can reduce the utility model discloses a cost.
The above embodiments are only used to further illustrate the copper recovery system of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification of the above embodiments by the technical entity of the present invention all fall into the protection scope of the technical solution of the present invention.
Claims (10)
1. Copper recovery system of emission waste water, its characterized in that: the method comprises the following steps:
the collecting tank is used for collecting the copper-containing waste liquid;
the filtering device is used for filtering visible impurities in the copper-containing waste liquid;
an electrolysis device for electrolyzing the copper-containing waste liquid to separate out copper in the waste liquid;
the collecting tank, the filtering device and the electrolysis device are sequentially connected, and waste liquid conveying is realized through a transfer pump arranged between the collecting tank and the filtering device.
2. The copper recovery system of discharged wastewater according to claim 1, wherein: the electrolytic device is a spiral-flow type electrolytic device and comprises an electrolytic barrel, a cathode cylinder and an anode piece, wherein the cathode cylinder and the anode piece are arranged in the electrolytic barrel, and the cathode cylinder and the anode piece are electrically connected with an external rectifier respectively; the side wall of the lower part of the electrolytic tank is provided with a liquid inlet, and the side wall of the upper part of the electrolytic tank is provided with a liquid outlet.
3. The copper recovery system of discharged wastewater according to claim 2, wherein: the cathode cylinder is formed by curling a stainless steel plate, and can be taken out, flattened and folded; the anode piece is made of a titanium tube and is positioned on the axis of the cathode cylinder.
4. The copper recovery system of discharged wastewater according to claim 1, wherein: the number of the electrolysis devices is multiple, the multiple electrolysis devices are connected together to form an electrolysis module, and the waste liquid finally flowing out after the electrolysis of the electrolysis module is discharged to a waste water treatment station when the copper ion content in the waste liquid is reduced to a set value, or the waste liquid is conveyed to a recovery collecting tank for secondary recovery treatment.
5. The copper recovery system of discharged wastewater according to claim 4, wherein: the multiple sets of electrolytic devices are connected in series, a liquid inlet of the first-stage electrolytic device is connected with a liquid outlet of the filtering device, a liquid outlet of the last-stage electrolytic device is connected with the wastewater treatment station and the collecting tank through the first switch device and the conveying pipeline, so that the wastewater is discharged to the wastewater treatment station when the content of copper ions in the wastewater is reduced to a set value, and otherwise, the wastewater is conveyed to the recovery collecting tank for secondary recovery treatment; or,
the multiple sets of electrolysis devices are connected in parallel, each parallel branch comprises one or more electrolysis devices connected in series, and a liquid inlet of a first-stage electrolysis device of each parallel branch is connected with a liquid outlet of the same filtering device or is respectively connected with a liquid outlet of one filtering device; the liquid outlets of the last-stage electrolytic devices of all the parallel paths are respectively connected with the wastewater treatment station and the collecting tank through a first switch device and a conveying pipeline so as to discharge the wastewater to the wastewater treatment station when the content of copper ions in the wastewater is reduced to a set value, otherwise, the wastewater is conveyed to a recovery collecting tank for secondary recovery treatment.
6. The copper recovery system of discharged wastewater according to claim 5, wherein: the final-stage electrolysis device is provided with a copper ion content detection piece which is electrically connected with the first switch device so as to control the first switch device to act; or the last-stage electrolysis device is provided with a sampling switch, the copper ion content is detected by manual sampling, and the first switch device is controlled to act.
7. The copper recovery system of discharged wastewater according to claim 1, wherein: and a water level detection device is arranged on the collecting tank and is electrically connected with a second switch device connected with the liquid inlet end of the collecting tank so as to control the second switch device to be opened and closed.
8. The copper recovery system of discharged wastewater according to claim 1, wherein: and the collecting tank is provided with a stirring device for stirring the copper-containing waste liquid entering the collecting tank, and the stirring device is a mechanical stirring device or an air stirring device.
9. The copper recovery system of discharged wastewater according to claim 1, wherein: the collecting tank is provided with a heating device which is a steam heating device, the collecting tank is also provided with a temperature control device and a waste gas collecting device, the temperature control device is connected with the steam heating device, and the waste gas collecting device is connected with a waste gas treatment tower.
10. The copper recovery system of discharged wastewater according to claim 1, wherein: a groove cover is arranged on the collecting groove to reduce the discharge of waste gas and the splashing of solution,
the filter device comprises a filter vat and a PP cotton core or an activated carbon filter core arranged in the filter vat, and a liquid inlet and a liquid outlet are arranged at the bottom end of the filter vat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728678.1U CN209098830U (en) | 2018-10-23 | 2018-10-23 | The copper recovery system of waste discharge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728678.1U CN209098830U (en) | 2018-10-23 | 2018-10-23 | The copper recovery system of waste discharge |
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| CN209098830U true CN209098830U (en) | 2019-07-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321945A (en) * | 2018-10-23 | 2019-02-12 | 厦门精合电气自动化有限公司 | A kind of copper recovery system of waste discharge |
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2018
- 2018-10-23 CN CN201821728678.1U patent/CN209098830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321945A (en) * | 2018-10-23 | 2019-02-12 | 厦门精合电气自动化有限公司 | A kind of copper recovery system of waste discharge |
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