Activated carbon treatment tank for silver plating liquid medicine
By designing an activated carbon treatment tank for silver plating solutions and employing a combination of mixing zones and multi-stage filtration zones, the problem of separating contaminants in silver plating solutions was solved, achieving efficient purification and reuse of the silver plating solutions and improving the quality of the plating coating.
Patent Information
- Application Number
- CN202423015792.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2034-12-06
AI Technical Summary
In the silver plating process, the increased concentration of organic and metallic contaminants in the silver plating solution affects the quality of the plating layer, and existing technologies are unable to effectively separate activated carbon powder from the plating solution, resulting in poor purification effects.
Design an activated carbon treatment tank for silver plating solution, including a mixing zone and a filtration zone. The silver plating solution and activated carbon are fully mixed by a stirring component. Then, a multi-stage filter (coarse filter, centrifugal pump, fine filter) is used to separate the activated carbon and impurities, and the purified solution is refluxed.
It achieves effective purification of silver plating solution, improves coating quality, reduces processing difficulty, and enables the reuse of silver plating solution.
Smart Images
Figure CN223887463U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste liquid treatment technical field especially relates to a kind of activated carbon treatment tank for silver plating medicine. BACKGROUND
[0002] Electroplating process is to use electrochemistry principle to plate metal on the surface of workpiece, realize the decoration, protection and obtain certain new performance on the surface of metal and non-metal.
[0003] In silver plating electroplating process, silver plating medicine is contained in plating bath, however, after using for a period of time, the concentration of organic and metal pollutants in silver plating medicine will continue to rise, when the concentration of pollutants rises to a certain time, the quality of plating layer is greatly affected.
[0004] Because silver plating medicine is very valuable, generally, tank replacement treatment is not carried out, the most commonly used method is to add a certain amount of activated carbon powder to silver plating medicine, organic matter and metal pollutants are removed by strong adsorption capacity of carbon powder, to achieve the purpose of purifying silver plating medicine.
[0005] However, how to separate carbon powder from plating solution is a very difficult problem, according to general operation method, carbon powder is directly added into plating bath, and after static sedimentation, the upper plating solution is pumped out and filtered, but in actual operation process, carbon powder is still easy to be pumped out, and effective separation cannot be realized. UTILITY MODEL CONTENT
[0006] The utility model aims at providing a kind of activated carbon treatment tank for silver plating medicine to solve the problems in the above background technology, realize effective purification treatment to silver plating medicine.
[0007] To achieve the above purpose, the utility model adopts the following technical solutions:
[0008] A kind of activated carbon treatment tank for silver plating medicine, comprising mixing area and filtering area, wherein:
[0009] The top of mixing area is provided with liquid inlet and drop port, liquid inlet is connected with plating bath and used to discharge silver plating medicine in plating bath into mixing area, drop port is used to drop activated carbon into mixing area, the inside of mixing area is provided with stirring assembly, stirring assembly is used to make silver plating medicine and activated carbon fully mixed into mixed solution, the bottom of mixing area is provided with liquid outlet, mixed solution is discharged from liquid outlet;
[0010] The filtering area is located below the mixing area, the side of the filtering area is provided with a liquid return port, a coarse filter, a centrifugal pump and a fine filter are arranged in the filtering area, the liquid outlet is communicated with the inlet of the coarse filter, the outlet of the coarse filter is communicated with the inlet of the centrifugal pump, the outlet of the centrifugal pump is communicated with the inlet of the fine filter, and the outlet of the fine filter is communicated with the liquid return port; the coarse filter is used for preliminarily filtering the activated carbon and impurities in the mixed solution; the centrifugal pump is used for centrifugally treating the preliminarily filtered mixed solution to further separate the activated carbon and impurities; and the fine filter is used for filtering the centrifugally treated mixed solution again to obtain a purified solution; and the purified solution is returned to the plating tank through the liquid return port.
[0011] As an option, the stirring assembly comprises a plurality of stirring pumps, the stirring pumps are installed on the top of the mixing area, the rotating shafts of the stirring pumps extend into the mixing area, and stirring blades are arranged on the rotating shafts.
[0012] As an option, the bottom of the mixing area is funnel-shaped, and the liquid outlet is located at the lowest position of the bottom of the mixing area.
[0013] As an option, the capacity of the mixing area is greater than that of the plating tank.
[0014] As an option, the coarse filter is a filter bag type filter, and the filter bag type filter is installed on the outer surface of the filtering area.
[0015] As an option, a first valve is arranged on the communication pipeline between the liquid outlet and the coarse filter.
[0016] As an option, a second valve is arranged on the communication pipeline between the coarse filter and the centrifugal pump.
[0017] As an option, a third valve and a pressure sensor are arranged on the communication pipeline between the centrifugal pump and the fine filter, the pressure sensor is used for detecting the pressure in the communication pipeline and is connected with the control of the centrifugal pump.
[0018] As an option, the fine filter is formed by a plurality of PP melt-blown filter elements which are connected in series.
[0019] As an option, the feeding port is provided with an opening and closing door plate, and a handle is arranged on the opening and closing door plate.
[0020] The beneficial effects of the utility model are as follows:
[0021] The silver plating liquid active carbon treatment tank draws out the silver plating liquid in the plating tank, mixes with the active carbon, removes the active carbon and impurities in the mixed solution through multi-stage filtering, and thus obtains a pure solution with high cleanliness; and the pure solution is finally returned to the plating tank, so that the silver plating liquid is effectively purified and reused, and the processing difficulty of the silver plating liquid is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 This is a schematic diagram of the activated carbon treatment tank for silver plating solution provided in this embodiment of the utility model.
[0023] In the attached image:
[0024] 1. Mixing zone; 2. Filtration zone; 3. Inlet; 4. Dispensing port; 5. Outlet; 6. Return port; 7. Coarse filter; 8. Centrifugal pump; 9. Fine filter; 10. Stirring pump; 11. Stirring blades; 12. First valve; 13. Second valve; 14. Third valve; 15. Pressure sensor; 16. Switch panel. Detailed Implementation
[0025] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.
[0026] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0027] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0028] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0029] Furthermore, the terms "first" and "second" are merely used to distinguish between different terms in description and do not have any special meaning.
[0030] Please see Figure 1 As shown, this embodiment provides an activated carbon treatment tank for silver plating solutions, including a mixing zone 1 and a filtration zone 2, wherein:
[0031] The mixing zone 1 is provided with an inlet 3 and a dispensing port 4 at the top. The inlet 3 is connected to the plating tank and is used to discharge the silver plating solution in the plating tank into the mixing zone 1. The dispensing port 4 is used to add activated carbon into the mixing zone 1. The mixing zone 1 is provided with a stirring component, which is used to fully mix the silver plating solution and activated carbon into a mixed solution. The mixing zone 1 is provided with an outlet 5 at the bottom, from which the mixed solution is discharged.
[0032] The filtration zone 2 is located below the mixing zone 1. A return port 6 is provided on the side of the filtration zone 2. The filtration zone 2 is equipped with a coarse filter 7, a centrifugal pump 8, and a fine filter 9. The outlet 5 is connected to the inlet of the coarse filter 7, the outlet of the coarse filter 7 is connected to the inlet of the centrifugal pump 8, the outlet of the centrifugal pump 8 is connected to the inlet of the fine filter 9, and the outlet of the fine filter 9 is connected to the return port 6. The coarse filter 7 is used to initially filter the activated carbon and impurities in the mixed solution. The centrifugal pump 8 is used to centrifuge the initially filtered mixed solution to further separate the activated carbon and impurities. The fine filter 9 is used to filter the centrifuged mixed solution again to obtain a purified solution. The purified solution is returned to the plating tank through the return port 6.
[0033] Thus, by drawing out the silver plating solution from the plating tank, mixing it thoroughly with activated carbon, and then filtering it through multiple stages to remove the activated carbon and impurities from the mixed solution, a highly purified solution is obtained. The purified solution is then returned to the plating tank, achieving effective purification and reuse of the silver plating solution and reducing the difficulty of treating the silver plating solution.
[0034] Optionally, the stirring assembly includes several stirring pumps 10, which are installed on top of the mixing zone 1. The rotating shaft of the stirring pump 10 extends into the mixing zone 1, and stirring blades 11 are provided on the rotating shaft. By driving the stirring blades 11 to rotate, the activated carbon and the silver plating solution are fully mixed, thereby improving the adsorption effect of activated carbon on organic and metal pollutants in the silver plating solution.
[0035] Optionally, the bottom of the mixing zone 1 is funnel-shaped, and the outlet 5 is located at the lowest point of the bottom of the mixing zone 1, so as to facilitate the discharge of silver plating solution, settled activated carbon, and adsorbed pollutants and other impurities in the mixing zone 1.
[0036] Optionally, the capacity of mixing zone 1 is greater than that of the plating tank. For example, if the plating tank capacity is 350L, the capacity of mixing zone 1 is designed to be 400L to fully accommodate the silver plating solution and activated carbon.
[0037] Optionally, the coarse filter 7 is a bag filter, which is installed on the outer surface of the filtration zone 2 to facilitate subsequent treatment of the filtered activated carbon and impurities, thus facilitating the daily maintenance of the coarse filter 7.
[0038] Optionally, a first valve 12 is installed on the connecting pipe between the liquid outlet 5 and the coarse filter 7. After the mixed solution in the mixing zone 1 is fully stirred and mixed, the first valve 12 is opened to allow the mixed solution to be discharged into the filtration zone 2.
[0039] Optionally, a second valve 13 is installed on the connecting pipeline between the coarse filter 7 and the centrifugal pump 8. After most of the activated carbon and impurities are filtered out by the mixed solution in the coarse filter 7, the second valve 13 is opened.
[0040] Optionally, a third valve 14 and a pressure sensor 15 are installed on the connecting pipeline between the centrifugal pump 8 and the fine filter 9. The pressure sensor 15 is used to detect the pressure in the connecting pipeline and is connected to the centrifugal pump 8 for control. After the mixed solution undergoes centrifugation to further precipitate activated carbon and impurity particles, the third valve 14 is opened. The centrifugal pump 8 is a multi-stage centrifugal pump, and the sensor controls the opening and closing of the centrifugal pump 8 by sensing the liquid pressure, ensuring that the centrifugal pump 8 operates under normal working conditions.
[0041] Optionally, the fine filter 9 is composed of multiple PP melt-blown filter elements connected in series.
[0042] The filtration accuracy of PP meltblown filter cartridges can reach 0.1μm. Multiple PP meltblown filter cartridges can achieve multi-stage precision filtration of mixed solutions, ensuring the cleanliness of the discharged purified solution.
[0043] Optionally, the dispensing port 4 is equipped with a switch panel 16, which has a handle to facilitate manual opening and dispensing of activated carbon measured as required.
[0044] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.
Claims
1. An activated carbon treatment tank for silver plating solution, characterized in that, It includes a mixing zone (1) and a filtering zone (2), wherein: The mixing zone (1) is provided with an inlet (3) and a dispensing port (4) at the top. The inlet (3) is connected to the plating tank and is used to discharge the silver plating solution in the plating tank into the mixing zone (1). The dispensing port (4) is used to add activated carbon into the mixing zone (1). The mixing zone (1) is provided with a stirring assembly inside. The stirring assembly is used to fully mix the silver plating solution and activated carbon into a mixed solution. The mixing zone (1) is provided with an outlet (5) at the bottom. The mixed solution is discharged from the outlet (5). The filtration zone (2) is located below the mixing zone (1). A return port (6) is provided on the side of the filtration zone (2). A coarse filter (7), a centrifugal pump (8), and a fine filter (9) are provided in the filtration zone (2). The outlet (5) is connected to the inlet of the coarse filter (7). The outlet of the coarse filter (7) is connected to the inlet of the centrifugal pump (8). The outlet of the centrifugal pump (8) is connected to the inlet of the fine filter (9). The outlet of the fine filter (9) is connected to the return port (6). The coarse filter (7) is used to initially filter the activated carbon and impurities in the mixed solution. The centrifugal pump (8) is used to centrifuge the initially filtered mixed solution to further separate the activated carbon and impurities. The fine filter (9) is used to filter the centrifuged mixed solution again to obtain a purified solution. The purified solution is returned to the plating tank through the return port (6).
2. The activated carbon treatment tank for silver plating solution according to claim 1, characterized in that, The stirring assembly includes several stirring pumps (10), which are installed on the top of the mixing zone (1). The rotating shaft of the stirring pump (10) extends into the mixing zone (1), and stirring blades (11) are provided on the rotating shaft.
3. The activated carbon treatment tank for silver plating solution according to claim 1, characterized in that, The bottom of the mixing zone (1) is funnel-shaped, and the liquid outlet (5) is located at the lowest position of the bottom of the mixing zone (1).
4. The activated carbon treatment tank for silver plating solution according to claim 1, characterized in that, The capacity of the mixing zone (1) is greater than the capacity of the plating tank.
5. The activated carbon treatment tank for silver plating solution according to claim 1, characterized in that, The coarse filter (7) is a bag filter, which is installed on the outer surface of the filtration zone (2).
6. The activated carbon treatment tank for silver plating solution according to claim 1, characterized in that, A first valve (12) is provided on the connecting pipe between the liquid outlet (5) and the coarse filter (7).
7. The activated carbon treatment tank for silver plating solution according to claim 1, characterized in that, A second valve (13) is provided on the connecting pipeline between the coarse filter (7) and the centrifugal pump (8).
8. The activated carbon treatment tank for silver plating solution according to claim 1, characterized in that, A third valve (14) and a pressure sensor (15) are provided on the connecting pipeline between the centrifugal pump (8) and the fine filter (9). The pressure sensor (15) is used to detect the pressure in the connecting pipeline and is connected to the centrifugal pump (8) for control.
9. The activated carbon treatment tank for silver plating solution according to claim 1, characterized in that, The fine filter (9) is composed of multiple PP meltblown filter elements connected in series.
10. The activated carbon treatment tank for silver plating solution according to claim 1, characterized in that, The delivery port (4) is provided with a switch panel (16), and the switch panel (16) is provided with a handle.