A heavy metal adsorption and regeneration treatment device for hardware etching waste liquid
By introducing a bevel gear system and stirring rod structure into the hardware etching waste liquid treatment device, the problems of low flocculant mixing efficiency and inconvenient filter plate replacement are solved, achieving rapid flocculation and sedimentation and convenient filtration, thus improving treatment efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDE JUNRUI ELECTRONIC TECH CO LTD
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-21
AI Technical Summary
In existing hardware etching waste liquid treatment devices, the mixing efficiency of flocculants is slow, resulting in low efficiency of heavy metal ion aggregation and precipitation, and the filter plates are inconvenient to replace.
A device comprising an etching solution container, a bevel gear system, and a stirring rod is designed. The bevel gear is driven by a servo motor to make the stirring rod rotate in the opposite direction, thereby improving the mixing efficiency of flocculant and etching solution. The filter plate can be easily replaced through a sliding frame and a snap-fit structure.
It enables rapid mixing of flocculant and etching solution, improves the aggregation and precipitation efficiency of heavy metal ions, and allows for easy replacement of filter plates, thus enhancing processing efficiency.
Smart Images

Figure CN224530711U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of etching waste liquid treatment, specifically a heavy metal adsorption and regeneration treatment device for hardware etching waste liquid. Background Technology
[0002] Metal etching wastewater typically contains high concentrations of heavy metals (such as copper ions). Treatment equipment must integrate heavy metal adsorption, wastewater regeneration, and resource recovery functions to achieve a win-win situation for both environmental protection and economic efficiency. The core design of the equipment includes modules for precipitation filtration, pH adjustment, oxidation-reduction, and electrolytic copper extraction to ensure efficient removal of heavy metals and regeneration of the etching solution.
[0003] For example, the acidic etching waste liquid recycling and regeneration treatment device disclosed in Chinese Patent No. CN219808008U belongs to the technical field of etching liquid regeneration equipment. It includes a waste liquid inlet pipe, with a threaded electric control valve at the bottom end of the inlet pipe. One end of the electric control valve is welded to an electrolytic cell for electrolyzing the etching waste liquid. A circulating electrolysis component is provided on one side of the outer wall of the electrolytic cell. The circulating electrolysis component includes a connecting pipe disposed on one side of the outer wall of the electrolytic cell, with a circulating pump threaded to one end of the connecting pipe. This invention, by setting up a circulating electrolysis component, allows for the closing of the electric control valve for the inlet, the opening of the circulating electric control valve, and the closing of the top discharge electric control valve. Starting the circulating pump generates suction in the connecting pipe, allowing the acidic etching waste liquid to flow along the connecting pipe into the electrolytic cell for continued circulation and decomposition. This ensures uniform electrolysis, thorough electrolysis, and avoids affecting the regeneration effect of the etching waste liquid.
[0004] Existing regeneration treatment devices require the use of flocculants to accelerate the aggregation and precipitation of heavy metal ions during use. However, common devices have slow flocculant mixing efficiency. Therefore, a heavy metal adsorption and regeneration treatment device for metal etching waste liquid is proposed to address the above problems. Utility Model Content
[0005] In order to overcome the shortcomings of the existing technology and solve at least one of the technical problems mentioned in the background technology, this utility model proposes a heavy metal adsorption and regeneration treatment device for metal etching waste liquid.
[0006] The technical solution adopted by this utility model to solve its technical problem is: a heavy metal adsorption and regeneration treatment device for metal etching waste liquid, including an etching liquid container, an outer rod rotatably connected to the inner wall of the etching liquid container, a second bevel gear fixedly connected to one end of the outer rod, an inner rod fixedly connected to the inner wall of the outer rod, a first bevel gear fixedly connected to one end of the inner rod, a first stirring rod fixedly connected to the outer wall of the outer rod, a second stirring rod fixedly connected to the outer wall of the inner rod, a motor frame fixedly connected to one side of the etching liquid container, a servo motor installed on the inner wall of the motor frame, a motor bevel gear fixedly connected to the output end of the servo motor, and the motor bevel gear meshing with the first bevel gear and the second bevel gear respectively.
[0007] Preferably, a filter plate mounting bracket is fixedly connected to the bottom of the etching solution container, a sliding frame is slidably connected to the inner wall of the filter plate mounting bracket, a filter plate is slidably connected to the top of the sliding frame, and a limiting body is fixedly connected to one side of the etching solution container.
[0008] Preferably, a damping rod is fixedly connected to the inner top wall of the limiting body, and the limiting body is provided with a sliding groove.
[0009] Preferably, a rotating ring is slidably connected to the outer wall of the damping rod, and a snap-fit rod is fixedly connected to the bottom of the rotating ring, with the snap-fit rod slidably connected to the damping rod.
[0010] Preferably, the inner surface of the rotating ring is rotatably connected to a lever, and the rotating ring is fixedly connected to a spring through a limiting body.
[0011] Preferably, a control panel is installed on one side of the etching solution container, a hemispherical valve body is installed on the inner wall of the etching solution container, and an outlet plate is fixedly connected to one side of the etching solution container.
[0012] Preferably, the bottom of the filter plate mounting bracket is connected to a housing, and the bottom of the housing is fixedly connected to a supporting leg.
[0013] Preferably, a liquid pump is installed on one side of the housing, and the input end of the liquid pump is connected to a liquid pipe, which is connected to the housing.
[0014] The advantages of this utility model are: This invention incorporates an etching solution container, allowing the etching solution to mix with flocculants, such as polyaluminum chloride, to accelerate the aggregation and precipitation of heavy metal ions. Simultaneously, the use of bevel gears allows the stirring rods to stir in opposite directions, achieving thorough mixing of the etching solution and flocculant and solving the problem of slow mixing efficiency between the two.
[0015] This invention achieves the function of filtering etching solution by setting a filter plate. At the same time, the set snap-fit structure facilitates quick disassembly of the filter plate, achieving the effect of convenient replacement of the filter plate and solving the problem of inconvenient replacement of the filter plate during use. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a top view of the present invention; Figure 3 This is a cross-sectional view of the limiting body in this utility model; Figure 4 This is a schematic diagram of the filter plate in this utility model; Figure 5 for Figure 3 Enlarged view of point A in the middle.
[0018] In the diagram: 1. Etching solution container; 2. Filter plate mounting bracket; 3. Box body; 4. Supporting leg; 5. Hemispherical valve body; 6. Control panel; 7. Discharge plate; 8. Motor frame; 9. Servo motor; 10. Motor bevel gear; 11. Internal rod; 12. First bevel gear; 13. External rod; 14. Second bevel gear; 15. First stirring rod; 16. Second stirring rod; 17. Liquid pump; 18. Liquid pipe; 19. Limiting body; 20. Sliding groove; 21. Sliding frame; 22. Filter plate; 23. Damping rod; 24. Rotating ring; 25. Toggle block; 26. Snap-fit rod; 27. Spring. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0020] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail. This application discloses a device for the adsorption and regeneration of heavy metals in metal etching waste liquid. (Refer to...) Figure 1 and Figure 2 A heavy metal adsorption and regeneration treatment device for metal etching waste liquid includes an etching liquid container 1. An external rod 13 is rotatably connected to the inner wall of the etching liquid container 1. A second bevel gear 14 is fixedly connected to one end of the external rod 13. An internal rod 11 is fixedly connected to the inner wall of the external rod 13. A first bevel gear 12 is fixedly connected to one end of the internal rod 11. A first stirring rod 15 is fixedly connected to the outer wall of the external rod 13. A second stirring rod 16 is fixedly connected to the outer wall of the internal rod 11. A motor frame 8 is fixedly connected to one side of the etching liquid container 1. A servo motor 9 is installed on the inner wall of the motor frame 8. The output end of the servo motor 9 is fixedly connected to... A motor bevel gear 10 is connected, which meshes with a first bevel gear 12 and a second bevel gear 14. Through the first stirring rod 15 and the second stirring rod 16, the servo motor 9 drives the motor bevel gear 10 to rotate, which in turn drives the first bevel gear 12 and the second bevel gear 14 to rotate in opposite directions. At the same time, it drives the internal rod 11 and the external rod 13 to rotate in opposite directions, thereby achieving the effect of fully stirring the etching solution with the first stirring rod 15 and the second stirring rod 16. The etching solution, together with the flocculant, can be placed inside the etching solution container 1 to accelerate the aggregation and precipitation of heavy metal ions.
[0021] Reference Figure 3 and Figure 4 A filter plate mounting bracket 2 is fixedly connected to the bottom of the etching solution container 1. A sliding frame 21 is slidably connected to the inner wall of the filter plate mounting bracket 2. A filter plate 22 is slidably connected to the top of the sliding frame 21. A limiting body 19 is fixedly connected to one side of the etching solution container 1. The filter plate mounting bracket 2 is used to allow the sliding frame 21 to slide freely on the inner wall of the filter plate mounting bracket 2. The filter plate 22 is slidably connected to the sliding frame 21, so that the filter plate 22 can play an auxiliary filtration role. After the sliding frame 21 slides out, the filter plate 22 can be easily disassembled and replaced. Reference Figure 3 and Figure 5 A damping rod 23 is fixedly connected to the inner top wall of the limiting body 19. The limiting body 19 is provided with a sliding groove 20. Through the setting of the damping rod 23 and the sliding groove 20, the damping rod 23 can play a limiting role, and the sliding groove 20 can play an auxiliary sliding role. Reference Figure 3 and Figure 5 A rotating ring 24 is slidably connected to the outer wall of the damping rod 23. A snap-fit rod 26 is fixedly connected to the bottom of the rotating ring 24. The snap-fit rod 26 is slidably connected to the damping rod 23. Through the setting of the rotating ring 24 and the snap-fit rod 26, the rotating ring 24 and the snap-fit rod 26 can slide freely on the outer wall of the damping rod 23. Reference Figure 3 and Figure 5The inner surface of the rotating ring 24 is rotatably connected to a lever 25. The rotating ring 24 is fixedly connected to a spring 27 via a limiting body 19. The lever 25 is set so that it can slide inside the sliding groove 20, thereby driving the rotating ring 24 and the locking rod 26 to move and control the limiting sliding frame 21. The spring 27 can also be used for easy reset. Reference Figure 1 and Figure 3 A control panel 6 is installed on one side of the etching solution container 1. A hemispherical valve body 5 is installed on the inner wall of the etching solution container 1. A liquid outlet plate 7 is fixedly connected to one side of the etching solution container 1. The hemispherical valve body 5 is set so that the polymer remaining inside the etching solution container 1 can be discharged, and the liquid outlet plate 7 can play a limiting role. Reference Figure 1 and Figure 3 The bottom of the filter plate mounting bracket 2 is connected to the box 3, and the bottom of the box 3 is fixedly connected to the support leg 4. Through the box 3, the box 3 can collect the liquid flowing out along the filter plate 22. Reference Figure 1 and Figure 3 A liquid pump 17 is installed on one side of the housing 3. The input end of the liquid pump 17 is connected to a liquid pipe 18, which is connected to the housing 3. The liquid pump 17 is configured to discharge the liquid stored inside the housing 3 along the liquid pipe 18.
[0022] Working principle: The first stirring rod 15 and the second stirring rod 16 drive the servo motor 9, which in turn drives the motor bevel gear 10 to rotate. This, in turn, drives the first bevel gear 12 and the second bevel gear 14 to rotate in opposite directions. Simultaneously, this causes the internal rod 11 and the external rod 13 to rotate in opposite directions, thus achieving thorough stirring of the etching solution using the first stirring rod 15 and the second stirring rod 16. The etching solution, along with the flocculant, can be placed inside the etching solution container 1 to accelerate the aggregation and precipitation of heavy metal ions. The filter plate mounting bracket 2 allows the sliding frame 21 to slide freely on its inner wall. The filter plate 22 is slidably connected to the sliding frame 21, allowing it to assist in filtration. After the sliding frame 21 detaches, the filter plate 22 can be easily disassembled and replaced. The damping rod 23 and the sliding groove 20 further facilitate the process. The damping rod 23 can act as a limit, and the sliding groove 20 can act as an auxiliary sliding mechanism. The rotating ring 24 and the locking rod 26 are set so that the rotating ring 24 and the locking rod 26 can slide freely on the outer wall of the damping rod 23. The toggle block 25 is set so that it can slide inside the sliding groove 20. The toggle block 25 drives the rotating ring 24 and the locking rod 26 to move, thereby controlling the limiting sliding frame 21. The spring 27 can act as a convenient reset mechanism. The hemispherical valve body 5 can discharge the polymer remaining inside the etching solution container 1. The liquid outlet plate 7 can act as a limit. The box body 3 can collect the liquid flowing out along the filter plate 22. The liquid pump 17 can discharge the liquid stored inside the box body 3 along the liquid pipe 18.
[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A heavy metal adsorption and regeneration treatment device for metal etching waste liquid, comprising an etching liquid container (1), characterized in that: An external rod (13) is rotatably connected to the inner wall of the etching solution container (1). A second bevel gear (14) is fixedly connected to one end of the external rod (13). An internal rod (11) is fixedly connected to the inner wall of the external rod (13). A first bevel gear (12) is fixedly connected to one end of the internal rod (11). A first stirring rod (15) is fixedly connected to the outer wall of the external rod (13). A second stirring rod (16) is fixedly connected to the outer wall of the internal rod (11). A motor frame (8) is fixedly connected to one side of the etching solution container (1). A servo motor (9) is installed on the inner wall of the motor frame (8). A motor bevel gear (10) is fixedly connected to the output end of the servo motor (9). The motor bevel gear (10) meshes with the first bevel gear (12) and the second bevel gear (14) respectively.
2. The heavy metal adsorption and regeneration treatment device for metal etching waste liquid according to claim 1, characterized in that: The bottom of the etching solution container (1) is fixedly connected to a filter plate mounting bracket (2), the inner surface of the filter plate mounting bracket (2) is slidably connected to a sliding bracket (21), the top of the sliding bracket (21) is slidably connected to a filter plate (22), and a limiting body (19) is fixedly connected to one side of the etching solution container (1).
3. The heavy metal adsorption and regeneration treatment device for metal etching waste liquid according to claim 2, characterized in that: The inner top wall of the limiting body (19) is fixedly connected with a damping rod (23), and the limiting body (19) is provided with a sliding groove (20).
4. The heavy metal adsorption and regeneration treatment device for metal etching waste liquid according to claim 3, characterized in that: The outer wall of the damping rod (23) is slidably connected to a rotating ring (24), and the bottom of the rotating ring (24) is fixedly connected to a snap-fit rod (26), which is slidably connected to the damping rod (23).
5. The heavy metal adsorption and regeneration treatment device for metal etching waste liquid according to claim 4, characterized in that: The inner surface of the rotating ring (24) is rotatably connected to a lever (25), and the rotating ring (24) is fixedly connected to a spring (27) through a limiting body (19).
6. The heavy metal adsorption and regeneration treatment device for metal etching waste liquid according to claim 1, characterized in that: A control panel (6) is installed on one side of the etching solution container (1), a hemispherical valve body (5) is installed on the inner wall of the etching solution container (1), and an outlet plate (7) is fixedly connected to one side of the etching solution container (1).
7. The heavy metal adsorption and regeneration treatment device for metal etching waste liquid according to claim 2, characterized in that: The bottom of the filter plate mounting bracket (2) is connected to a box (3), and the bottom of the box (3) is fixedly connected to a supporting leg (4).
8. The heavy metal adsorption and regeneration treatment device for metal etching waste liquid according to claim 7, characterized in that: A liquid pump (17) is installed on one side of the housing (3), and the input end of the liquid pump (17) is connected to a liquid pipe (18), which is connected to the housing (3).