CN111748808A - Device and method for controlling concentration of glucose in passivation solution - Google Patents
Device and method for controlling concentration of glucose in passivation solution Download PDFInfo
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- CN111748808A CN111748808A CN202010520893.8A CN202010520893A CN111748808A CN 111748808 A CN111748808 A CN 111748808A CN 202010520893 A CN202010520893 A CN 202010520893A CN 111748808 A CN111748808 A CN 111748808A
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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Abstract
The invention discloses a device and a method for controlling the concentration of glucose in passivation solution, wherein the device comprises a PLC control system, the PLC control system is connected with an automatic passivation solution preparation device, the automatic passivation solution preparation device is connected with the top of a passivation solution preparation tank through an automatic control valve I, a passivation solution storage tank is respectively connected with a passivation solution inlet system and a passivation solution return system, the passivation solution inlet system and the passivation solution return system are both connected with a passivation tank, automatic detection equipment is arranged on one side of the passivation solution storage tank, a liquid level sensor is arranged inside the passivation solution storage tank, a passivation solution discharge valve is arranged at the bottom of the passivation solution storage tank, and the automatic detection equipment and the passivation solution discharge valve are both connected with the PLC control system. The device and the method for controlling the concentration of the glucose in the passivation solution effectively ensure the stability of the concentration of the glucose in the whole passivation system, thereby ensuring the oxidation resistance of the copper foil.
Description
Technical Field
The invention relates to the technical field of electrolytic copper foil preparation, in particular to a device and a method for controlling the concentration of glucose in passivation solution.
Background
The electrolytic copper foil process is to dissolve electrolytic copper or copper wire with the same purity as electrolytic copper as raw material in sulfuric acid to produce copper sulfate solution, and to deposit copper continuously on the cathode roller and strip the copper continuously from the cathode roller. In general, the electrolytic copper foil is oxidized when stored in air for about 1 hour. The copper foil has many defects caused by oxidation, such as mottle, chromatic aberration, resistance increase and the like, so that a passivation process is added in the production process in the actual production process, a passivation layer is formed on the surface of the copper foil, and the oxidation resistance of the copper foil is improved. Generally, the main component of the passivation anti-oxidation liquid contains glucose, and the concentration of the glucose plays a key role in the anti-oxidation effect of the passivation liquid.
Therefore, the development of a device and a method for efficiently controlling the concentration of glucose in the passivation solution becomes a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above technical problems in the related art, the present invention provides an apparatus and a method for controlling the concentration of glucose in a passivation solution, which can overcome the above disadvantages in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the utility model provides a device of glucose concentration in control passivation solution, includes PLC control system, PLC control system is connected with the automatic preparation ware of passivation solution, the automatic preparation ware of passivation solution is connected through automatic control valve one and the top of passivation solution preparation jar, one side of passivation solution preparation jar is connected with the top of passivation solution liquid storage pot through automatic control valve two, one side of passivation solution liquid storage pot through the passivation liquid pump with the top of passivation solution preparation jar is connected, passivation solution liquid storage pot returns the liquid system with passivation solution feed liquor system, passivation solution respectively and is connected, passivation solution feed liquor system, passivation solution return system all are connected with passivation groove, one side of passivation solution liquid storage pot is equipped with automatic check out equipment, the inside of passivation solution liquid storage pot is equipped with the liquid level inductor, the bottom of passivation solution storage pot is equipped with passivation solution flowing back valve, automatic check out equipment, And the passivation liquid drain valves are connected with the PLC control system.
Further, the passivation tank is connected with a passivation solution waste liquid tank.
Furthermore, a stirring device is arranged in the passivation solution storage tank.
According to another aspect of the invention, a method for controlling the glucose concentration in the passivation solution by using the device is provided, which is used for accurately regulating and controlling the passivation solution in the electrolytic foil generation online passivation process, and the method comprises the following steps:
s1, analyzing the concentration of glucose by analyzing the size of the passivation solution COD in the passivation solution storage tank by adopting automatic detection equipment, uploading the analysis result to a PLC control system, calculating the concentration of the glucose in the passivation solution by the PLC control system, adjusting the parameters of an automatic passivation solution dispenser according to the calculation result, and adjusting the concentration of the glucose in the newly-dispensed passivation solution;
and S2, adding the raw materials prepared by the passivation solution into a passivation solution preparation tank through the automatic control valve I by the automatic passivation solution preparation device for preparation, allowing the newly prepared passivation solution to enter a passivation solution circulating system consisting of a passivation solution preparation tank, a passivation solution storage tank, a passivation solution inlet system and a passivation solution return system through the passivation solution preparation tank, and mixing the newly prepared passivation solution with circulating solution by the passivation solution circulating system to achieve dynamic balance of the glucose concentration of the passivation solution.
Further, the parameters of the automatic passivation solution dispenser comprise the preparation concentration and the preparation volume of the passivation solution, and the parameters of the automatic passivation solution dispenser are set by referring to the current glucose concentration of the passivation solution and trying to adjust the concentration in the passivation solution storage tank to the middle point value of the process range.
Furthermore, the PLC control system is used for receiving and transmitting data, carrying out corresponding calculation, and displaying the current passivation solution glucose concentration, the passivation solution storage tank and the control range on a screen interface.
Further, the PLC control system starts to enter an alert mode in an area with the upper limit and the lower limit of the process control of 25% respectively, and the parameters of the automatic passivation solution configurator are adjusted.
Further, when the passivation liquid pump runs, if the liquid level sensor senses that the liquid level exceeds 4/5 of the passivation liquid storage tank body, the passivation liquid discharge valve is automatically opened, and the liquid level is prevented from being too high.
The invention has the beneficial effects that: according to the device and the method for controlling the concentration of the glucose in the passivation solution, disclosed by the invention, the automatic detection equipment is utilized to detect the size of COD (chemical oxygen demand) in the passivation solution storage tank and analyze the concentration of the glucose, and the concentration of the glucose in the passivation solution prepared by the passivation solution automatic preparation device is timely controlled under the action of the PLC (programmable logic controller) control system, so that the automatic control of important parameters in a passivation process is realized, the manpower resource is saved, the stability of the concentration of the glucose in the whole passivation system is effectively ensured, and the oxidation resistance of the copper foil in the process of foil generation of the lithium battery is further ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments 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 to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an apparatus for controlling glucose concentration in a passivation solution according to an embodiment of the present invention;
in the figure: 1. a PLC control system; 2. a passivation tank; 3. a passivation solution storage tank; 4. preparing a passivation solution tank; 5. an automatic passivation solution preparation device; 6. automatically controlling the first valve; 7. a second valve is automatically controlled; 8. a passivation solution inlet system; 9. a passivation solution return system; 10. a passivation liquid drain valve; 11 a passivation liquid pump, 12 an automatic detection device, 13 a passivation liquid waste liquid tank, 14 a crude foil machine, 15 and a stirring device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1, the apparatus for controlling glucose concentration in passivation solution according to the embodiment of the present invention includes a PLC control system 1, the PLC control system 1 is configured to receive and transmit data, perform corresponding calculation, display a current passivation solution glucose concentration, a passivation solution storage tank and a control range on a screen interface, the PLC control system 1 is connected to an automatic passivation solution preparation device 5, the automatic passivation solution preparation device 5 is connected to a top of a passivation solution preparation tank 4 through an automatic control valve one 6, one side of the passivation solution preparation tank 4 is connected to a top of a passivation solution storage tank 3 through an automatic control valve two 7, one side of the passivation solution storage tank 3 is connected to a top of the passivation solution preparation tank 4 through a passivation solution pump 11, the passivation solution storage tank 3 is connected to a passivation solution inlet system 8 and a passivation solution return system 9 respectively, passivation liquid inlet system 8 (the liquid pipeline that advances promptly), passivation liquid return system 9 (the liquid pipeline that returns promptly) all are connected with passivation groove 2, one side of passivation liquid storage pot 3 is equipped with automatic check out test set 12, the inside of passivation liquid storage pot 3 is equipped with the liquid level inductor, the bottom of passivation liquid storage pot 3 is equipped with passivation liquid flowing back valve 10, automatic check out test set 12, passivation liquid flowing back valve 10 all with PLC control system 1 connects. The passivation tank 2 is connected with a passivation solution waste liquid tank 13, and a stirring device 15 is arranged in the passivation solution liquid tank 3. The passivation tank 2 is mounted below the green foil machine 14.
The passivation liquid pump 11 is a variable frequency pump and has a variable frequency regulation function, the passivation liquid pump 11 provides circulating power, and when the automatic passivation liquid preparation device starts to work, the passivation liquid pump can automatically pump the passivation liquid in the passivation liquid storage tank to a set liquid level induction position in the passivation liquid preparation tank.
The passivation solution storage tank 3 and the passivation solution preparation tank 4 are both cylindrical and have a volume ratio of 2: 1.
The sensing position of the liquid level in the passivation solution preparation tank 4 is 4/5 of the volume of the whole passivation solution preparation tank.
The method for controlling the concentration of glucose in the passivation solution by using the device comprises the following steps:
s1, analyzing the concentration of glucose by analyzing the size of the COD of the passivation solution in the passivation solution storage tank by using automatic detection equipment, uploading the analysis result to a PLC control system, calculating the concentration of the glucose in the passivation solution by the PLC control system, starting the PLC control system to enter an alert mode in a region with the upper limit and the lower limit of process control of 25% respectively, adjusting the parameters of an automatic passivation solution dispenser to adjust the concentration of the glucose in the newly-dispensed passivation solution, wherein the parameters of the automatic passivation solution dispenser comprise the preparation concentration and the preparation volume of the passivation solution, and the parameters of the automatic passivation solution dispenser are set to refer to the current glucose concentration of the passivation solution to try to adjust the concentration in the passivation solution storage tank to a midpoint value in the process range;
and S2, adding the raw materials prepared by the passivation solution into a passivation solution preparation tank through the automatic control valve I by the automatic passivation solution preparation device for preparation, allowing the newly prepared passivation solution to enter a passivation solution circulating system consisting of a passivation solution preparation tank, a passivation solution storage tank, a passivation solution inlet system and a passivation solution return system through the passivation solution preparation tank, and mixing the newly prepared passivation solution with circulating solution by the passivation solution circulating system to achieve dynamic balance of the glucose concentration of the passivation solution. When the passivation liquid pump runs, if the liquid level sensor senses that the liquid level exceeds 4/5 of the passivation liquid storage tank body, the passivation liquid drain valve is automatically opened to prevent the liquid level from being too high.
Taking the passivation solution with higher glucose concentration as an example, the glucose concentration process range is 6.0-8.0g/L, the COD value detected by automatic detection equipment is 8175mg/L, and the PLC calculates the result that the glucose concentration is 7.66g/L which is 25% higher than the upper edge of the control. And (5) responding by a PLC, adjusting an automatic passivation solution dispenser, and setting the dispensing concentration to be 4.2g/L and the volume to be 1.75L. After the preparation is finished, the passivation solution pump starts to operate, and the prepared solution is transferred to the passivation solution storage tank from the passivation solution preparation tank. During the transfer process, the liquid level rises to the tank 4/5, and the liquid level sensor of the passivation liquid storage tank responds to the liquid level sensor to open the liquid discharge valve. And after the adjustment is finished, the screen of the PLC control system displays that the glucose concentration is 6.87 g/L.
When the automatic detection equipment detects that the concentration of glucose in the passivation solution liquid storage tank is low, the automatic passivation solution preparation device can correspondingly and automatically increase the concentration of glucose preparation, the passivation solution pump directly pumps the passivation solution in the passivation solution liquid storage tank to the appointed induction liquid level of the passivation solution preparation tank, and after the passivation solution in the passivation solution preparation tank is completely prepared, the passivation solution completely flows into the passivation solution liquid storage tank through a siphon principle, so that the stability of the concentration of glucose in the whole passivation solution system is controlled.
In conclusion, by means of the technical scheme, the automatic detection equipment is used for detecting the COD (chemical oxygen demand) in the passivation solution storage tank and analyzing the concentration of the glucose, the concentration of the glucose in the passivation solution prepared by the passivation solution automatic preparation device is timely controlled under the action of the PLC (programmable logic controller) control system, the automatic control of important parameters in the passivation process is realized, the human resources are saved, the stability of the concentration of the glucose in the whole passivation system is effectively ensured, and the oxidation resistance of the copper foil in the lithium electric foil generation process is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a device of glucose concentration in control passivation solution, its characterized in that includes PLC control system (1), PLC control system (1) is connected with automatic preparation ware (5) of passivation solution, automatic preparation ware (5) of passivation solution is connected with the top of passivation solution preparation jar (4) through automatic control valve (6), one side of passivation solution preparation jar (4) is connected with the top of passivation solution liquid storage pot (3) through automatic control valve two (7), one side of passivation solution liquid storage pot (3) pass through passivation liquid pump (11) with the top of passivation solution preparation jar (4) is connected, passivation solution liquid storage pot (3) are connected with passivation solution feed liquor system (8), passivation solution return system (9) respectively, passivation solution feed liquor system (8), passivation solution return system (9) all are connected with passivation groove (2),
one side of passivation solution liquid storage pot (3) is equipped with automatic checkout equipment (12), the inside of passivation solution liquid storage pot (3) is equipped with the liquid level inductor, the bottom of passivation solution liquid storage pot (3) is equipped with passivation liquid flowing back valve (10), automatic checkout equipment (12), passivation liquid flowing back valve (10) all with PLC control system (1) is connected.
2. The apparatus for controlling the glucose concentration in a passivation solution according to claim 1, wherein the passivation tank (2) is connected with a passivation solution waste liquid tank (13).
3. The apparatus for controlling the glucose concentration in the passivation solution according to claim 1, wherein a stirring device (15) is provided in the passivation solution storage tank (3).
4. A method for controlling the glucose concentration in a passivating solution using the apparatus of any of claims 1-3, comprising the steps of:
s1, analyzing the concentration of glucose by analyzing the size of the passivation solution COD in the passivation solution storage tank by adopting automatic detection equipment, uploading the analysis result to a PLC control system, calculating the concentration of the glucose in the passivation solution by the PLC control system, adjusting the parameters of an automatic passivation solution dispenser according to the calculation result, and adjusting the concentration of the glucose in the newly-dispensed passivation solution;
and S2, adding the raw materials prepared by the passivation solution into a passivation solution preparation tank through the automatic control valve I by the automatic passivation solution preparation device for preparation, allowing the newly prepared passivation solution to enter a passivation solution circulating system consisting of a passivation solution preparation tank, a passivation solution storage tank, a passivation solution inlet system and a passivation solution return system through the passivation solution preparation tank, and mixing the newly prepared passivation solution with circulating solution by the passivation solution circulating system to achieve dynamic balance of the glucose concentration of the passivation solution.
5. The method for controlling the glucose concentration in the passivation solution according to claim 4, wherein the parameters of the automatic passivation solution dispenser comprise passivation solution preparation concentration and preparation volume, and the parameters of the automatic passivation solution dispenser are set to adjust the concentration in the passivation solution storage tank to a process range midpoint value by referring to the current passivation solution glucose concentration.
6. The method for controlling the concentration of glucose in a passivating solution according to claim 4, wherein the PLC control system is used for receiving and transmitting data and performing corresponding calculation.
7. The method for controlling the glucose concentration in the passivation solution according to claim 4, wherein the PLC control system starts to enter an alert mode in a region with the upper limit and the lower limit of the process control of 25% respectively, and adjusts the parameters of the automatic configurator of the passivation solution.
8. The method for controlling the glucose concentration in the passivation solution according to claim 4, wherein when the passivation solution pump is running, the liquid level sensor senses that the liquid level exceeds 4/5 of the tank body of the passivation solution storage tank, and the passivation solution drain valve is automatically opened.
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| CN202010520893.8A CN111748808A (en) | 2020-06-10 | 2020-06-10 | Device and method for controlling concentration of glucose in passivation solution |
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| CN202010520893.8A CN111748808A (en) | 2020-06-10 | 2020-06-10 | Device and method for controlling concentration of glucose in passivation solution |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115125601A (en) * | 2021-03-29 | 2022-09-30 | 上海梅山钢铁股份有限公司 | Device and method for regulating and controlling pH value of passivation solution in passivation process of electrotinning steel plate |
| CN115613018A (en) * | 2022-09-26 | 2023-01-17 | 深圳惠科新材料有限公司 | Copper foil anti-oxidation treatment system and treatment method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125601A (en) * | 2021-03-29 | 2022-09-30 | 上海梅山钢铁股份有限公司 | Device and method for regulating and controlling pH value of passivation solution in passivation process of electrotinning steel plate |
| CN115125601B (en) * | 2021-03-29 | 2024-01-05 | 上海梅山钢铁股份有限公司 | Device and method for regulating and controlling pH value of passivation solution in passivation process of electroplated tin steel plate |
| CN115613018A (en) * | 2022-09-26 | 2023-01-17 | 深圳惠科新材料有限公司 | Copper foil anti-oxidation treatment system and treatment method |
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Application publication date: 20201009 |