CN212582021U - Liquid treatment device in electrolytic copper foil production process - Google Patents
Liquid treatment device in electrolytic copper foil production process Download PDFInfo
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- CN212582021U CN212582021U CN202021212889.7U CN202021212889U CN212582021U CN 212582021 U CN212582021 U CN 212582021U CN 202021212889 U CN202021212889 U CN 202021212889U CN 212582021 U CN212582021 U CN 212582021U
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Abstract
The utility model belongs to the technical field of the copper foil production, concretely relates to liquid processing apparatus in electrolytic copper foil production process. The processing device comprises a copper dissolving tank, a sewage tank, a filter, a liquid purifying tank and a foil generating machine which are sequentially connected, wherein the foil generating machine is communicated with the sewage tank through an electrolyte return pipeline; the foil production machine frame is connected with a foil washing water pipe for washing a copper foil, a water scraping plate for scraping foil washing water on the surface of the copper foil and a first water containing groove for collecting the foil washing water are arranged on the foil production machine frame, the water scraping plate is connected with the copper foil in a jacking mode, the first water containing groove is located below the water scraping plate, and a wastewater treatment pipeline is communicated with the first water containing groove; and a polishing water pipe used for polishing the cathode roller is connected to the frame of the foil producing machine, a second water containing tank for collecting polishing water is arranged below the polishing water pipe, and the second water containing tank is communicated with the wastewater treatment pipeline. The utility model discloses need not heat the evaporation to the dashpot again and can guarantee the stability of sewage tank liquid level, improved the quality of system stability and product.
Description
Technical Field
The utility model belongs to the technical field of the copper foil production, concretely relates to liquid processing apparatus in electrolytic copper foil production process.
Background
The electrolytic copper foil is a basic material in the electronic industry, is widely applied to the fields of household appliances, communication and the like, and belongs to a copper processing material with higher technical level. In the rapid development of the electronic information industry, the electrolytic copper foil is called a "neural network" for signal and power transmission and communication of electronic products.
The electrolytic copper foil is an important material for manufacturing Copper Clad Laminate (CCL), Printed Circuit Board (PCB) and lithium ion battery. The copper foil may be classified into an electrolytic copper foil and a rolled copper foil according to production methods, wherein the electrolytic copper foil is more commonly used in practical production with its simple production process and low production cost.
The electrolytic copper foil is prepared by rotating a conductive cathode roller in an electrolytic bath filled with copper sulfate solution (electrolyte) at a certain speed, mounting an anode plate at the bottom of the electrolytic bath, depositing copper ions on the cathode roller under the traction of an electric field, then rotating the cathode roller out of the electrolytic bath, and stripping and winding the copper foil from the cathode roller. The electrolyte is prepared by adding a simple substance of metal copper into a copper dissolving tank containing sulfuric acid, blowing high-temperature air for dissolving to prepare a main electrolyte, and mixing the main electrolyte with an additive solution after multi-stage filtration to obtain the electrolyte for producing the copper foil.
The crude foil reflux that produces in the current electrolytic copper foil production process flows to the buffer tank through the reflux pipe, again from buffer tank overflow to dirty liquid jar, get back to after the dirty liquid jar, wash the polishing water that the wash foil water and the cathode roll on copper foil surface carried out online polishing and grind get into copper foil production system, and then get into the dirty liquid jar, dirty liquid jar liquid level has been increased, the copper concentration in the electrolyte has been reduced, acid concentration in the improvement system, dilute the concentration that has reduced additive in the electrolyte, thereby influence the stability of system and the quality of product. In order to ensure the stability of the liquid level of the sewage tank, the buffer tank is generally heated in a heating and evaporating mode, and water added in the system is evaporated, so that the stability of the liquid level is ensured. But on the one hand, because of the uncertainty of the coil changing time, the water inflow of the system is unstable, so that the heating evaporation capacity is not easily matched with the water inflow of the system, and the fluctuation of the liquid level of the system is caused, and on the other hand, the consumption of energy and the increase of the cost are caused by heating.
Therefore, further improvements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the utility model provides a liquid treatment device in the electrolytic copper foil production process. The processing device can ensure the stability of the liquid level of the sewage tank without heating and evaporating the buffer tank, and improves the system stability and the product quality.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a liquid treatment device in the electrolytic copper foil production process comprises a copper dissolving tank, a sewage tank, a filter, a liquid purifying tank and a foil generating machine which are sequentially connected, wherein the foil generating machine is communicated with the sewage tank through an electrolyte return pipeline;
a foil washing water pipe for washing copper foil is connected to a rack of the foil generating machine, a wiper plate for wiping off foil washing water on the surface of the copper foil and a first water containing tank for collecting the foil washing water are arranged on the rack of the foil generating machine, the wiper plate is connected with the copper foil in a jacking manner, the first water containing tank is positioned below the wiper plate, and a wastewater treatment pipeline is communicated with the first water containing tank;
and a polishing water pipe used for polishing the cathode roller is connected to the frame of the foil producing machine, a second water containing tank used for collecting polishing water is arranged below the polishing water pipe, and the second water containing tank is communicated with the wastewater treatment pipeline.
Preferably, the width of the water scraping plate is 10cm, and the length of the water scraping plate is the same as the length of the cathode roller; two short edges of the wiper blade are detachably connected with the frame, and the long edges are in contact with the copper foil.
Preferably, the width of the first water containing groove and the second water containing groove is 20cm, and the height of the first water containing groove and the second water containing groove is 25 cm; the length of the first water containing groove and the second water containing groove is 5cm longer than that of each of the two ends of the cathode roller, and the first water containing groove and the second water containing groove are connected with a wastewater treatment pipeline through pipelines. The two ends of the first water containing groove and the second water containing groove are detachably connected with the rack.
Preferably, the first water containing tank and the second water containing tank are obliquely arranged; namely, the two edges of the first and second water containing grooves are inclined surfaces, and the cross section of the first and second water containing grooves is V-shaped, so that polishing water and foil washing water can be better collected.
Preferably, the wiper blade is arranged in a tangent manner with the copper foil; the water scraping plate can better scrape copper sulfate solution (electrolyte) on the surface of the copper foil.
Preferably, a wastewater collection tank is arranged on the wastewater treatment pipeline.
Preferably, the outlet of the crude foil machine is communicated with the inlet of the crude foil machine through an anti-oxidation liquid conveying pipeline, and the anti-oxidation liquid conveying pipeline is provided with an anti-oxidation liquid storage tank; the oxidation-proof liquid can be recycled.
Preferably, valves are arranged on the electrolyte return pipeline, the wastewater treatment pipeline and the anti-oxidation liquid conveying pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses processing apparatus retrieves the sewage jar with the electrolyte in the electrolytic copper foil process, and the foil washing water that produces when wasing the copper foil and the polishing water that produces when the cathode roll polishes are collected alone through first and second water containing groove and are handled the utilization, overcome the liquid level unstability that leads to in directly flowing back the sewage jar with it among the prior art; the flow of the crude foil reflux liquid and the flow of the upper liquid in the sewage tank are basically balanced, and the buffer tank is not required to be heated and evaporated, so that the stability of the liquid level of the sewage tank can be ensured, the energy consumption is reduced, the production cost is reduced, and meanwhile, the system stability and the product quality are improved;
2. the design of the water scraping plate can enable copper foil to clean copper sulfate solution and other impurities on the surface of the copper foil in the cleaning process, and meanwhile, foil washing water is drained to the first water containing groove, polishing water flows to the second water containing groove, so that the copper foil enters the wastewater collection tank to be collected and treated.
Drawings
FIG. 1 is a process flow diagram for the production of copper foil according to the present invention;
FIG. 2 is a schematic view of a copper foil during cleaning;
FIG. 3 is a schematic view of a cathode roll of a green foil machine during polishing;
in the figure: the device comprises a copper dissolving tank 1, a sewage tank 2, a filter 3, a liquid purifying tank 4, a foil forming machine 5, an anti-oxidation liquid storage tank 6, a waste water collecting tank 7, an electrolyte return pipeline 8, an electrolyte conveying pipeline 9, an anti-oxidation liquid conveying pipeline 10, a waste water treatment pipeline 11, a valve 12, a cathode roller 13, a wringing roller 14, a copper foil 15, a foil washing water pipe 16, a water scraping plate 17, a first water containing groove 18, a polishing roller 19, a polishing water pipe 20 and a second water containing groove 21.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the present invention is not limited thereto.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "clockwise", "counterclockwise", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, is only for convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and is not to be construed as limiting the specific scope of the present invention.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.
Example 1
As shown in fig. 1-3, the liquid treatment device in the electrolytic copper foil production process of the present invention comprises a copper dissolving tank 1, a dirty liquid tank 2, a filter 3, a clean liquid tank 4 and a raw foil machine 5 which are connected in sequence, wherein the raw foil machine 5 is communicated with the dirty liquid tank 2 through an electrolyte return pipeline 8; a frame (not shown in the figure) of the foil forming machine 5 is connected with a foil washing water pipe 16 for washing copper foil, a water scraping plate 17 for scraping off foil washing water on the surface of the copper foil and a first water containing groove 18 for collecting the foil washing water are arranged on the frame of the foil forming machine 5, the water scraping plate 17 and the copper foil 15 are arranged in a tangent mode, the first water containing groove 18 is positioned below the water scraping plate 17, and the first water containing groove 18 is communicated with the wastewater treatment pipeline 11 through a pipeline; the frame of the foil producing machine 5 is also connected with a polishing water pipe 20 used for polishing the cathode roller, a second water containing tank 21 used for collecting polishing water is arranged below the polishing water pipe 20, and the second water containing tank 21 is communicated with the wastewater treatment pipeline 11 through a pipeline.
The width of the wiper blade 17 was 10cm and the length was the same as that of the cathode roll 13. The width of the first water containing groove and the width of the second water containing groove are 20cm, the height of the first water containing groove and the second water containing groove are 25cm, the length of the first water containing groove and the length of the second water containing groove are 5cm longer than that of each of two ends of the cathode roller 13, the front end and the rear end of the first water containing groove and the rear end of the second water containing groove are respectively connected with the wastewater treatment pipeline 11 through pipelines, and the wastewater treatment pipeline 11 is provided with a wastewater collection. The outlet of the crude foil machine 5 is communicated with the inlet of the crude foil machine 5 through an anti-oxidation liquid conveying pipeline 10, and an anti-oxidation liquid storage tank 6 is arranged on the anti-oxidation liquid conveying pipeline 10. Valves 12 are arranged on the electrolyte return pipeline 8, the waste water treatment pipeline 11 and the anti-oxidation liquid conveying pipeline 10.
It should be noted that the wringing roller 14 and the polishing roller 19 are provided by the equipment of the raw foil machine 5, which is not the innovation of the present invention, and only by adopting the conventional technology in the art, and the details are not described here. The front end and the rear end of the wiper blade 17 are fixed with the frame, and the long side (left side) of the wiper blade 17 is tangent to the surface of the copper foil 15; the front and rear ends of the first water tank 18 and the second water tank 21 are fixed to the frame, and the two sides of the first water tank 18 and the second water tank 21 are inclined planes, and the cross sections of the inclined planes are V-shaped (as shown in fig. 2 and 3). The foil washing water pipe 16 and the polishing water pipe 20 are respectively positioned at the left side and the right side of the cathode roller 13, the front end and the rear end of the foil washing water pipe 16 and the front end and the rear end of the polishing water pipe 20 are fixed on the frame, one surface close to the cathode roller 13 is provided with an opening, and water can be sprayed for foil washing and polishing. The water scraping plate 17, the first water containing groove 18, the second water containing groove 21, the foil washing water pipe 16 and the polishing water pipe 20 can be detachably fixed on a raw foil machine frame through bolts and nuts, and when copper foil washing is required, the water scraping plate 17, the first water containing groove 18 and the foil washing water pipe 16 are installed on the frame; when the cathode roller needs to be polished, the second water containing tank 21 and the polishing water pipe 16 are arranged on the frame, and the components are conveniently assembled and disassembled according to actual needs by adopting a bolt detachable connection mode.
In addition, the first water containing tank and the second water containing tank are only communicated with the wastewater treatment pipeline 11, and foil washing water and polishing water can be collected into the wastewater collection tank 7 through the wastewater treatment pipeline 11; the connection and connection positions of the first and second water tanks to the wastewater treatment line 11 are not limited in this embodiment.
The utility model discloses a use as follows:
1. and (3) generation of copper foil: adding a metal copper simple substance into a copper dissolving tank 1 containing sulfuric acid, blowing high-temperature air, dissolving to prepare a main electrolyte, mixing the main electrolyte with an additive solution after multi-stage filtration to obtain an electrolyte for producing a copper foil, feeding the electrolyte into a foil generator 5 through a dirty liquid tank 2, a filter 3 and a clean liquid tank 4 to electrolyze the copper foil, and in the copper foil production process, always keeping a valve 12 on an electrolyte return pipeline 8 in an open state, and recycling the used electrolyte for recycling again;
2. washing the copper foil with water: washing the copper foil 15 generated by electroplating, washing impurities such as copper sulfate solution on the surface of the copper foil 15 by water (namely foil washing water) from a foil washing water pipe 16, further scraping the foil washing water on the surface of the copper foil 15 by a water scraping plate 17, then squeezing a small amount of foil washing water on the copper foil 15 by a water squeezing roller 14 on a foil generating machine 5, then leading the copper foil 15 out of a cathode roller 13 (namely stripping from the arrow direction in figure 2) after the copper foil 15 is dried (not shown in the figure), and leading the foil washing water collected by a first water containing tank 18 into a waste water collecting tank 7 through a waste water treatment pipeline 11;
3. plating an anti-oxidation layer on the copper foil: a certain amount of anti-oxidation liquid is stored in an anti-oxidation liquid storage tank 6, enters a raw foil machine 5 through an anti-oxidation liquid conveying pipeline 10 to coat the washed copper foil, and the anti-oxidation liquid conveying pipeline 10 is a return pipeline and can recycle the anti-oxidation liquid;
4. polishing of the cathode roller: after a roll of copper foil is produced, the cathode roller 13 is polished by the polishing roller 19, at the moment, water (namely polishing water) from the polishing water pipe 20 cleans the surface of the cathode roller 13, the cleaned polishing water enters the second water containing tank 21, then enters the wastewater collecting tank 7 through the wastewater treatment pipeline 11, and wastewater in the wastewater collecting tank 7 is sent to a subsequent treatment process.
Claims (8)
1. A liquid treatment device in the electrolytic copper foil production process comprises a copper dissolving tank, a sewage tank, a filter, a liquid purifying tank and a foil forming machine which are sequentially connected, and is characterized in that the foil forming machine is communicated with the sewage tank through an electrolyte return pipeline;
a foil washing water pipe for washing copper foil is connected to a rack of the foil generating machine, a wiper plate for wiping off foil washing water on the surface of the copper foil and a first water containing tank for collecting the foil washing water are arranged on the rack of the foil generating machine, the wiper plate is connected with the copper foil in a jacking manner, the first water containing tank is positioned below the wiper plate, and a wastewater treatment pipeline is communicated with the first water containing tank;
and a polishing water pipe used for polishing the cathode roller is connected to the frame of the foil producing machine, a second water containing tank used for collecting polishing water is arranged below the polishing water pipe, and the second water containing tank is communicated with the wastewater treatment pipeline.
2. The apparatus for treating a liquid in the production process of an electrolytic copper foil as claimed in claim 1, wherein the first water tank and the second water tank are disposed obliquely.
3. The apparatus for treating a liquid in the production of an electrolytic copper foil according to claim 1, wherein the wiper blade is provided tangentially to the copper foil.
4. The apparatus for treating a liquid in the production of an electrolytic copper foil according to claim 1, wherein the wiper blade has a width of 10cm and a length equal to the length of the cathode roll.
5. The apparatus for treating a liquid in the production process of an electrolytic copper foil as claimed in claim 1, wherein the first and second water holding tanks have a width of 20cm and a height of 25 cm; the lengths of the first water containing groove and the second water containing groove are 5cm longer than the two ends of the cathode roller respectively, and the two ends of the first water containing groove and the second water containing groove are connected with a wastewater treatment pipeline through pipelines.
6. The apparatus for treating a liquid in the production process of an electrolytic copper foil according to claim 1, wherein a waste water collecting tank is provided in the waste water treatment line.
7. The apparatus for treating a liquid in the production process of an electrolytic copper foil as claimed in claim 1, wherein an outlet of the green foil forming machine is connected to an inlet of the green foil forming machine through an oxidation preventing liquid supply line, and the oxidation preventing liquid supply line is provided with an oxidation preventing liquid storage tank.
8. The apparatus for treating liquids in the production process of electrolytic copper foil according to claim 1, wherein valves are provided on the electrolyte return line, the wastewater treatment line, and the oxidation-preventing liquid delivery line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021212889.7U CN212582021U (en) | 2020-06-28 | 2020-06-28 | Liquid treatment device in electrolytic copper foil production process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021212889.7U CN212582021U (en) | 2020-06-28 | 2020-06-28 | Liquid treatment device in electrolytic copper foil production process |
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| CN212582021U true CN212582021U (en) | 2021-02-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445082A (en) * | 2021-06-30 | 2021-09-28 | 广东嘉元科技股份有限公司 | Electrolytic copper foil forming device |
| CN114107855A (en) * | 2021-09-09 | 2022-03-01 | 九江德福科技股份有限公司 | Surface passivation treatment method of cathode roller for electrolytic copper foil |
| CN114808044A (en) * | 2022-03-22 | 2022-07-29 | 江西铜博科技有限公司 | Electrolyte circulating system |
| CN114990645A (en) * | 2022-06-30 | 2022-09-02 | 深圳惠科新材料有限公司 | Copper sulfate crystal recovery device and method |
-
2020
- 2020-06-28 CN CN202021212889.7U patent/CN212582021U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445082A (en) * | 2021-06-30 | 2021-09-28 | 广东嘉元科技股份有限公司 | Electrolytic copper foil forming device |
| CN113445082B (en) * | 2021-06-30 | 2022-01-25 | 广东嘉元科技股份有限公司 | Electrolytic copper foil forming device |
| CN114107855A (en) * | 2021-09-09 | 2022-03-01 | 九江德福科技股份有限公司 | Surface passivation treatment method of cathode roller for electrolytic copper foil |
| CN114808044A (en) * | 2022-03-22 | 2022-07-29 | 江西铜博科技有限公司 | Electrolyte circulating system |
| CN114990645A (en) * | 2022-06-30 | 2022-09-02 | 深圳惠科新材料有限公司 | Copper sulfate crystal recovery device and method |
| CN114990645B (en) * | 2022-06-30 | 2024-04-16 | 深圳惠科新材料股份有限公司 | Copper sulfate crystal recovery device and method |
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Effective date of registration: 20211108 Address after: 210008 new energy Avenue, Lishui Economic Development Zone, Nanjing, Jiangsu Patentee after: Nanjing Longxin Electronic Technology Co.,Ltd. Address before: 472500 South-east corner of Lingbao 209 National Highway and Yanshan Avenue intersection in Sanmenxia City, Henan Province Patentee before: LINGBAO WASON COPPER FOIL Co.,Ltd. |