Electric flocculation device for electroplating wastewater treatment

Abstract

The utility model discloses an electric flocculation device for electroplating wastewater treatment, which comprises a treatment tank, two groups of open slots are symmetrically arranged at the upper end of the treatment tank, a support plate is fixedly connected to one side of the upper end of the treatment tank, a lifting device is arranged between the support plate and the treatment tank, a lifting plate is arranged on the lifting device, and the upper end of the lifting plate is fixedly connected with the upper end of the treatment tank. A supporting plate is arranged on the upper end face of the lifting plate, a rotary electric flocculation device is arranged on the supporting plate, a bubble generating device is arranged at the bottom of the treatment pond to upwards eject suspended solids in a water body, and a purging device is arranged on the side wall of the treatment pond to purge bubbles and suspended solids on the surface of the water body to one side. The utility model belongs to the technical field of electric flocculation, and particularly relates to an electric flocculation device for treating electroplating wastewater, which is used for solving the problems that an electrode plate of electric flocculation equipment in the prior art cannot rotate during electrified flocculation, the flocculation range is small, the flocculation effect is poor, and suspended matters after flocculation cannot be separated from a water body in time.

Description

Technical Field

[0001] This utility model belongs to the field of electrocoagulation technology, specifically referring to an electrocoagulation device for treating electroplating wastewater. Background Technology

[0002] Electrocoagulation, a process used in electroplating wastewater treatment, is a water purification process that utilizes electrochemical principles. Simply put, it involves passing an electric current through metal electrodes to generate flocculent material that can adsorb pollutants, thereby removing harmful substances such as heavy metals and suspended solids from the wastewater.

[0003] In the existing technology, when electrocoagulating electroplating wastewater, the electrode plates are inserted into the wastewater. However, there are still some shortcomings in its use: the suspended solids after flocculation tend to float in the water and cannot be removed in time. Moreover, the electrode plates of the existing electrocoagulation are generally fixed and stationary, lacking the function of stirring the water, resulting in poor flocculation effect. Therefore, improvements are needed. Utility Model Content

[0004] The technical problem to be solved by this invention is that the electrode plates of the existing electrocoagulation equipment cannot rotate when electrocoagulation is performed, resulting in a small flocculation range, poor flocculation effect, and the suspended solids after flocculation cannot be separated from the water in a timely manner.

[0005] To achieve the above functions, the technical solution adopted by this utility model is as follows: an electrocoagulation device for treating electroplating wastewater includes a treatment tank. Two sets of slots are symmetrically arranged at the upper end of the treatment tank. A support plate is fixed to one side of the upper end of the treatment tank. A lifting device is arranged between the support plate and the treatment tank. A lifting plate is arranged on the lifting device. A support plate is arranged on the upper surface of the lifting plate. A rotating electrocoagulation device is arranged on the support plate. A bubble generating device is arranged at the bottom of the treatment tank to push the suspended solids in the water upward. A purging device is arranged on the side wall of the treatment tank to blow the bubbles and suspended solids on the surface of the water to one side for easy cleaning.

[0006] Furthermore, the rotary electrocoagulation device includes a third motor, which is fixedly connected to the support plate. The third motor is a dual-shaft motor with bevel teeth on both output ends. A rotating rod is rotatably mounted in the lifting plate via bearings. An electrode plate is connected to the lower end of the rotating rod, and a second bevel tooth is provided at the upper end of the rotating rod, meshing with the first bevel tooth. An electrode post passes through the rotating rod and is electrically connected to the electrode plate. A brush is provided on the support plate, which wraps around the electrode post and can energize the electrode post.

[0007] Furthermore, the bubble generating device includes an oxygen generator, which is located on the outer side of the treatment tank. Several sets of air pipes are laid flat at the bottom of the treatment tank and are all connected to the oxygen generator's pipeline. Each set of air pipes is equipped with an air nozzle.

[0008] Furthermore, the purging device includes a side plate, which is fixed to the side wall of the treatment tank. A motor is fixed to the side plate, and a lead screw is connected to the output end of the motor. A sliding rod is fixed between the side plates. A sliding plate is slidably arranged in the side wall of the treatment tank and threadedly connected to the lead screw. Blowers are evenly distributed on the sliding plate, and the air outlet direction of the blowers is inclined.

[0009] Furthermore, the purging device has symmetrical treatment pools on both sides, and the sliding plate cannot touch the rotating rod during the sliding process.

[0010] Furthermore, the lifting device includes a second motor, which is disposed on the upper end face of the support plate. The output end of the second motor is connected to a second lead screw and rotates on the upper end face of the treatment tank. The second lead screw is threadedly connected to the lifting plate. A guide rod is fixedly connected to the treatment tank and extends upward through the lifting plate and the support plate.

[0011] The beneficial effects achieved by adopting the above-described structure are as follows:

[0012] 1. This utility model, by setting up a rotating electrocoagulation device, in the process of the first bevel tooth meshing with the second bevel tooth rotating, the rotating rod drives the electrode plate to rotate. Since the electrode post is always located in the carbon brush, the carbon brush will continue to supply power to the electrode post, thereby ensuring that the electrode plate performs electrocoagulation during the rotation. The electrode plate can stir and flocculate the water, expand the flocculation range, and improve the flocculation effect.

[0013] 2. This utility model uses a bubble generating device to generate gas from an oxygen generator. The gas is then sprayed into the water through a gas pipe and finally through a nozzle. The bubbles rise in the water and carry away suspended flocculents, causing the suspended matter and bubbles to accumulate on the water surface, thus achieving the purpose of separating the suspended matter from the water.

[0014] 3. By setting up a blowing device, the blower can blow away suspended matter and bubbles on the water surface, making them easier to scoop up. Attached Figure Description

[0015] Figure 1 This utility model describes the overall structure of an electrocoagulation device for treating electroplating wastewater. Figure 1 ;

[0016] Figure 2 This utility model describes the overall structure of an electrocoagulation device for treating electroplating wastewater. Figure 2 ;

[0017] Figure 3 This is a structural diagram of the internal structure of the treatment tank of an electrocoagulation device for treating electroplating wastewater according to this utility model;

[0018] Figure 4 for Figure 1 Enlarged view of a portion of point A in the middle.

[0019] The components are as follows: 1. Treatment tank; 2. Groove; 3. Support plate; 4. Lifting device; 5. Lifting plate; 6. Pallet; 7. Rotary electrocoagulation device; 8. Bubble generating device; 9. Blowing device; 10. Motor 3; 11. Conical tooth 1; 12. Rotating rod; 13. Electrode plate; 14. Conical tooth 2; 15. Electrode column; 16. Carbon brush; 17. Oxygen generator; 18. Air pipe; 19. Air nozzle; 20. Side plate; 21. Motor 1; 22. Lead screw 1; 23. Slide rod; 24. Sliding plate; 25. Blower; 26. Motor 2; 27. Lead screw 2; 28. Guide rod. Detailed Implementation

[0020] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not 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.

[0022] like Figure 1-4 This utility model discloses an electrocoagulation device for treating electroplating wastewater, comprising a treatment tank 1, two sets of slots 2 symmetrically arranged at the upper end of the treatment tank 1, a support plate 3 fixedly connected to one side of the upper end of the treatment tank 1, a lifting device 4 between the support plate 3 and the treatment tank 1, a lifting plate 5 on the lifting device 4, a support plate 6 on the upper surface of the lifting plate 5, a rotating electrocoagulation device 7 on the support plate 6, a bubble generating device 8 at the bottom of the treatment tank 1 to push suspended solids in the water upward, and a blowing device 9 on the side wall of the treatment tank 1 to blow bubbles and suspended solids on the surface of the water to one side for easy cleaning.

[0023] like Figure 1-4The rotary electrocoagulation device 7 includes a motor 10, which is fixed to the support plate 6. The motor 10 is a dual-shaft motor with bevel teeth 11 on both sides of the output end. A rotating rod 12 is rotatably mounted in the lifting plate 5 via bearings. The lower end of the rotating rod 12 is connected to an electrode plate 13, and the upper end of the rotating rod 12 is provided with bevel teeth 14 that mesh with bevel teeth 11. An electrode post 15 passes through the rotating rod 12 and is electrically connected to the electrode plate 13. A brush is provided on the support plate 3 and wraps around the electrode post 15, enabling the electrode post 15 to be energized. The bevel teeth 11 mesh with the bevel teeth 14 and rotate, thereby rotating the electrode plates 13 on both sides. During the rotation, the electrode post 15 is always in the carbon brush 16. By making the carbon brush 16 conductive, the electrode plates 13 can still perform electrocoagulation while rotating. In this way, the electrode plates 13 can perform electrocoagulation while slowly stirring the water, expanding the direction of electrocoagulation and improving the flocculation efficiency.

[0024] like Figure 2-3 The bubble generating device 8 includes an oxygen generator 17, which is located on the outside of the treatment tank 1. Several sets of air pipes 18 are laid flat at the bottom of the treatment tank 1 and are all connected to the air generator 17. Each set of air pipes 18 is equipped with a nozzle 19, which sprays out bubbles. As the bubbles rise, they can carry away the suspended matter generated by electrocoagulation and float on the water surface.

[0025] like Figure 1-3 The purging device 9 includes a side plate 20, which is fixed to the side wall of the treatment tank 1. A motor 21 is fixed to the side plate 20, and a lead screw 22 is connected to the output end of the motor 21. A sliding rod 23 is fixed between the side plates 20. A sliding plate 24 is slidably arranged in the side wall of the treatment tank 1 and threadedly connected to the lead screw 22. Blowers 25 are evenly distributed on the sliding plate 24. The air outlet direction of the blowers 25 is inclined so as to blow the air bubbles and suspended matter mixture on the water surface to the slot 2. The floating air bubbles are retrieved by the retrieval equipment. The purging device 9 is symmetrically arranged on both sides of the treatment tank 1, and the sliding plate 24 should not touch the rotating rod 12 during the sliding process.

[0026] like Figure 1-3 The lifting device 4 includes a second motor 26, which is located on the upper end face of the support plate 3. The output end of the second motor 26 is connected to a second lead screw 27 and rotates on the upper end face of the treatment tank 1. The second lead screw 27 is threadedly connected to the lifting plate 5. A guide rod 28 is fixed on the treatment tank 1 and passes through the lifting plate 5 and the support plate 3. The lifting device 4 can realize the lifting of the lifting plate 5, thereby adjusting the electrocoagulation depth of the electrode plate 13.

[0027] In practical use, the carbon brush 16 powers the electrode post 15, which in turn powers the electrode plate 13. The electrode plate 13 then performs electrocoagulation in the water. At the same time, the motor 10 is started, and the bevel gear 11 meshes with the bevel gear 14 to rotate. The bevel gear 14 drives the rotating rod 12 to rotate, so that the electrode plate 13 performs rotational electrocoagulation. This also disturbs the water, thereby increasing the range of electrocoagulation. During electrocoagulation, the suspended solids remain suspended in the water.

[0028] By turning on the oxygen generator 17, air bubbles are transmitted to the nozzle 19 through the air pipe 18. The air bubbles are evenly distributed in the water. As they rise, they push the suspended matter in the water upwards, eventually forming a mixture of air bubbles and suspended matter on the surface of the water, thus achieving the purpose of removing suspended matter from the water.

[0029] During the electrocoagulation process, the height of the lifting plate 5 can be adjusted by starting the motor 26 and driving the screw 27, which in turn adjusts the depth of electrocoagulation of the electrode plate 13.

[0030] After flocculation, the blower 25 is started, blowing obliquely towards the water surface. The motor 21 is started, the lead screw 22 rotates and drives the sliding plate 24 to slide on the slide rod 23. In this way, the blower 25 blows the mixture of bubbles and suspended matter towards the slot 2. Then, the bubbles and suspended matter can be scooped out together with the help of the scooping equipment.

[0031] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. An electric flocculation device for electroplating wastewater treatment, comprising a treatment tank (1), the upper end of the treatment tank (1) is symmetrically provided with two groups of grooves (2), and a support plate (3) is fixedly connected to one side of the upper end of the treatment tank (1), characterized in that: The lifting device (4) is arranged between the support plate (3) and the treatment pool (1), the lifting plate (5) is arranged on the lifting device (4), the upper end surface of the lifting plate (5) is provided with a supporting plate (6), the rotating electric flocculation device (7) is arranged on the supporting plate (6), the bottom of the treatment pool (1) is provided with a bubble generating device (8) to upwardly send the suspended matter in the water body, and the sidewall of the treatment pool (1) is provided with a blowing device (9) to blow the bubbles and the suspended matter on the surface of the water body to one side so as to facilitate cleaning.

2. The electric flocculation device for electroplating wastewater treatment according to claim 1, characterized in that: The rotating electric flocculation device (7) comprises a motor three (10), the motor three (10) is fixedly connected to the supporting plate (6), the motor three (10) is a double-shaft motor, and the output ends on the two sides are provided with bevel gears one (11), the rotating rod (12) is rotatably arranged in the lifting plate (5) through a bearing, the lower end of the rotating rod (12) is connected with an electrode plate (13), the upper end of the rotating rod (12) is provided with bevel gears two (14) and is engaged with the bevel gears one (11), the pole column (15) is arranged in the rotating rod (12) and is electrically connected with the electrode plate (13), the support plate (3) is provided with a brush and wraps the pole column (15) and can electrify the pole column (15).

3. The electric flocculator for electroplating wastewater treatment according to claim 2, characterized in that: The bubble generating device (8) comprises an oxygen generator (17), the oxygen generator (17) is located on the outside of the treatment pool (1), a plurality of groups of air pipes (18) are laid on the inner bottom end of the treatment pool (1) and are in pipeline communication with the oxygen generator (17), and the air pipes (18) are uniformly distributed with air nozzles (19).

4. The electric flocculator for electroplating wastewater treatment according to claim 3, characterized in that: The blowing device (9) comprises a side plate (20), the side plate (20) is fixedly connected to the sidewall of the treatment pool (1), the motor one (21) is fixedly connected to the side plate (20), the output end of the motor one (21) is connected with a lead screw one (22), the slide rods (23) are fixedly connected between the side plates (20), the sliding plates (24) are slidably arranged in the sidewall of the treatment pool (1) and are in threaded connection with the lead screw one (22), the air blowers (25) are uniformly distributed on the sliding plates (24), and the air outlet directions of the air blowers (25) are obliquely arranged.

5. The electric flocculator for electroplating wastewater treatment according to claim 4, characterized in that: The blowing device (9) is arranged with two groups of the treatment pool (1), and the sliding plates (24) cannot touch the rotating rod (12) in the sliding process.

6. The electric flocculator for electroplating wastewater treatment according to claim 5, characterized in that: The lifting device (4) comprises a motor two (26), the motor two (26) is arranged on the upper end surface of the support plate (3), the output end of the motor two (26) is connected with a lead screw two (27) and rotates on the upper end surface of the treatment pool (1), the lead screw two (27) is in threaded connection with the lifting plate (5), and the guide rods (28) are fixedly connected to the treatment pool (1) and upwardly penetrate the lifting plate (5) and the support plate (3).

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