Electrocatalytic oxidation wastewater treatment device
By introducing a lifting plate and an air pipe system into the electrocatalytic oxidation equipment, using bubbles to mix the catalyst and wastewater, and combining an agitating impeller and a buffer structure, the problem of catalyst agglomeration is solved, and the uniformity of the catalyst and the efficiency of electrocatalytic oxidation are improved.
Patent Information
- Application Number
- CN202422266801.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The catalyst in the existing electrocatalytic oxidation equipment is prone to agglomeration, which affects the uniformity and saturation of the catalyst and wastewater, resulting in a decrease in the electrocatalytic oxidation rate.
By setting up lifting plates and air pipes in the reaction tank body, using a fan to blow in bubbles to promote the mixing of catalyst and wastewater, and combining an agitator impeller and a buffer column to prevent caking, using a feed pump and feed pipe to maintain the catalyst concentration, and a drying tube to prevent water droplet deposition.
The saturation and uniformity of the catalyst in the wastewater are improved, the rate and effect of the electrocatalytic oxidation reaction are enhanced, and the probability of catalyst agglomeration is reduced.
Smart Images
Figure CN223458145U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of wastewater treatment, in particular to an electro-catalytic oxidation wastewater treatment device. BACKGROUND
[0002] The electro-catalytic oxidation technology is a technology for converting organic compounds into harmless substances by using electrochemical reactions, and is widely applied to the fields of wastewater treatment, environmental protection and energy conversion, etc. Organic pollutants are directly degraded by electrode reactions under the action of an external electric field, or are degraded by using electrodes and catalytic materials with catalytic activity to generate a large number of free radicals with strong oxidizing properties. The electro-catalytic oxidation technology has many advantages such as high efficiency, environmental protection and economy. The electro-catalytic oxidation equipment in the prior art adopts cathode plates and anode plates installed in a tank body to electro-catalytically oxidize wastewater after being electrified. Workers inject catalysts into the tank body to improve the reaction rate. However, after the equipment is used for a long time, the catalysts in the equipment are prone to hardening, which affects the uniformity and saturation of the catalysts in the wastewater, reduces the electro-catalytic oxidation rate of the wastewater, and affects the quality of the wastewater treatment. Therefore, the electro-catalytic oxidation equipment needs to be improved. CONTENT OF THE UTILITY MODEL
[0003] In order to improve the problem that the catalysts in the electro-catalytic oxidation equipment are prone to hardening and affect the electro-catalytic oxidation efficiency, the application provides an electro-catalytic oxidation wastewater treatment device.
[0004] The electro-catalytic oxidation wastewater treatment device provided by the application adopts the following technical scheme:
[0005] The electro-catalytic oxidation wastewater treatment device comprises a reaction tank body, a support plate is arranged in the reaction tank body, a cathode plate and an anode plate are arranged at the bottom of the support plate, a lifting plate is further arranged in the reaction tank body, the lifting plate is located above the support plate, a lifting cylinder is arranged on the inner top wall of the reaction tank body, the piston rod of the lifting cylinder is connected with the lifting plate, a plurality of air pipes are arranged on the bottom wall of the lifting plate, a plurality of blowing holes are arranged on the peripheral wall of each air pipe, a plurality of fans are arranged outside the reaction tank body, each fan corresponds to one air pipe, an extension pipe is arranged between each fan and the corresponding air pipe, and a plurality of lifting holes through which the air pipes pass are arranged in the support plate along the thickness direction.
[0006] By adopting the above technical scheme, the lifting cylinder is started, the lifting cylinder drives the lifting plate and the air pipes to descend, the fan is started, gas enters the air pipes, and the gas leaves the air pipes through the blowing holes and enters the wastewater to form bubbles. The catalysts in the wastewater are more fully combined with the wastewater under the influence of the bubbles, the probability of hardening of the catalysts is reduced, the saturation of the catalysts in the wastewater is improved, and the rate and effect of the electro-catalytic oxidation reaction are ensured.
[0007] Optionally, the air pipes are evenly distributed along the circumference of the lifting plate.
[0008] By adopting the above technical scheme, the air pipes are evenly arranged along the circumferential direction of the lifting plate, which can improve the uniformity of air blowing, thereby improving the uniformity of the contact between the catalyst and the wastewater, increasing the saturation degree of the catalyst in the wastewater, and improving the effect and rate of electro-catalytic oxidation.
[0009] Optionally, the inside bottom wall of the reaction tank body is rotationally connected with a stirring impeller.
[0010] By adopting the above technical scheme, the stirring impeller is arranged to drive the wastewater in the reaction tank body to flow, thereby driving the catalyst to move, so as to further reduce the problem of catalyst caking.
[0011] Optionally, a plurality of buffer columns are arranged in the reaction tank body, the buffer columns correspond to the air pipes one by one, the buffer columns are vertically arranged, the top wall of the buffer column is provided with a buffer hole for the lower end of the air pipe to enter, an elastic member is arranged in the buffer hole, and an abutting block is arranged on the elastic member.
[0012] By adopting the above technical scheme, the buffer column is arranged to limit the lifting distance of the air pipe, so as to prevent the air pipe from excessively sliding and causing the lifting plate to collide with the support plate, thereby damaging the internal structure of the device.
[0013] Optionally, a drying pipe is arranged outside the lifting hole, the drying pipe is located above the support plate, a drying cavity is arranged in the drying pipe, an electric heating wire is arranged in the drying cavity, and the electric heating wire is arranged in a spiral shape.
[0014] By adopting the above technical scheme, when the air pipe completes air blowing and is reset, the air pipe will pass through the drying pipe, the electric heating wire in the drying pipe is powered on to dissipate heat, thereby drying and heating the peripheral wall of the air pipe to remove water droplets adhered to the outer wall of the air pipe, preventing the air pipe from carrying water droplets back to the surface of the support plate during the resetting process, causing the support plate to accumulate water, and causing impurities in the water to settle and clog the lifting hole, thereby preventing the air pipe from passing through smoothly.
[0015] Optionally, a connecting flange is arranged on the end wall of the piston rod of the lifting cylinder.
[0016] By adopting the above technical scheme, the connecting flange is arranged to improve the convenience of connecting the lifting cylinder and the lifting plate.
[0017] Optionally, a feeding pump is arranged on the top wall of the reaction tank body, a feeding pipe is communicated with the feeding pump, the feeding pipe sequentially penetrates through the lifting plate and the support plate, and an expanded end cover is arranged on the end of the feeding pipe penetrating through the support plate.
[0018] By adopting the technical scheme, the feeding pump and the feeding pipe are arranged to add the catalyst into the reaction tank in real time, so that the concentration of the catalyst can ensure that the electro-catalytic oxidation reaction is efficiently carried out, and the flared cover is arranged to diffuse the catalyst entering the reaction tank, thereby increasing the contact area of the catalyst and the wastewater, reducing the probability of the catalyst being caked, and improving the effect and rate of the electro-catalytic oxidation.
[0019] Optionally, the feeding pipe is provided with a pressurizing valve.
[0020] By adopting the technical scheme, the pressurizing valve is arranged to increase the flow pressure and flow rate of the catalyst in the feeding pipe, so that the catalyst can maintain sufficient pressure after leaving the feeding pipe and entering the wastewater, the catalyst can be fully mixed with the wastewater, the saturation and uniformity of the catalyst in the wastewater are improved, the probability of the catalyst being caked is reduced, and the rate and effect of the electro-catalytic oxidation are improved.
[0021] To sum up, the present application has at least one of the following beneficial technical effects:
[0022] 1. The bubbles are introduced into the wastewater through the air pipe, the catalyst in the wastewater is more fully combined with the wastewater under the influence of the bubbles, the probability of the catalyst being caked is reduced, the saturation of the catalyst in the wastewater is improved, and the rate and effect of the electro-catalytic oxidation reaction are ensured;
[0023] 2. The stirring impeller is arranged to drive the wastewater in the reaction tank to flow, thereby driving the catalyst to move, so as to further reduce the problem of the catalyst being caked. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is a structural schematic view of an electro-catalytic oxidation wastewater treatment device in an embodiment of the present application.
[0025] Figure 2 is Figure 1 is a local enlarged view of A in
[0026] BRIEF DESCRIPTION OF DRAWINGS 1. reaction tank; 2. support plate; 21. cathode plate; 22. anode plate; 23. lifting hole; 3. lifting plate; 31. lifting air cylinder; 32. connecting flange; 4. air pipe; 41. air blowing hole; 42. fan; 43. telescopic pipe; 5. stirring impeller; 6. buffer column; 61. buffer hole; 62. elastic member; 63. abutting block; 7. drying pipe; 71. drying cavity; 72. electric heating wire; 8. feeding pump; 81. feeding pipe; 82. flared cover; 83. pressurizing valve. DETAILED DESCRIPTION
[0027] The present application will be further described below in conjunction with the accompanying drawings. Figures 1-2 The present application will be further described below in conjunction with the accompanying drawings.
[0028] The embodiment of the application discloses an electro-catalytic oxidation wastewater treatment device. Figure 1 The reaction tank body 1 is internally provided with a support plate 2, the bottom wall of the support plate 2 is provided with a cathode plate 21 and an anode plate 22, when the cathode plate 21 and the anode plate 22 are electrified, the electro-catalytic oxidation of the wastewater in the reaction tank body 1 can be carried out, so that the organic pollutants in the wastewater are degraded; in the embodiment, the peripheral wall of the reaction tank body 1 is provided with a water inlet and a water outlet, so that the wastewater can normally enter and exit, and the top cover of the reaction tank body 1 is detachably connected with the tank body.
[0029] The reaction tank body 1 is internally provided with a support plate 2, the bottom wall of the support plate 2 is provided with a cathode plate 21 and an anode plate 22, when the cathode plate 21 and the anode plate 22 are electrified, the electro-catalytic oxidation of the wastewater in the reaction tank body 1 can be carried out, so that the organic pollutants in the wastewater are degraded; in the embodiment, the peripheral wall of the reaction tank body 1 is provided with a water inlet and a water outlet, so that the wastewater can normally enter and exit, and the top cover of the reaction tank body 1 is detachably connected with the tank body. Figure 1 The reaction tank body 1 is internally provided with a support plate 2, the bottom wall of the support plate 2 is provided with a cathode plate 21 and an anode plate 22, when the cathode plate 21 and the anode plate 22 are electrified, the electro-catalytic oxidation of the wastewater in the reaction tank body 1 can be carried out, so that the organic pollutants in the wastewater are degraded; in the embodiment, the peripheral wall of the reaction tank body 1 is provided with a water inlet and a water outlet, so that the wastewater can normally enter and exit, and the top cover of the reaction tank body 1 is detachably connected with the tank body.
[0030] Figure 1 The reaction tank body 1 is internally provided with a support plate 2, the bottom wall of the support plate 2 is provided with a cathode plate 21 and an anode plate 22, when the cathode plate 21 and the anode plate 22 are electrified, the electro-catalytic oxidation of the wastewater in the reaction tank body 1 can be carried out, so that the organic pollutants in the wastewater are degraded; in the embodiment, the peripheral wall of the reaction tank body 1 is provided with a water inlet and a water outlet, so that the wastewater can normally enter and exit, and the top cover of the reaction tank body 1 is detachably connected with the tank body.
[0031] The reaction tank body 1 is internally provided with a support plate 2, the bottom wall of the support plate 2 is provided with a cathode plate 21 and an anode plate 22, when the cathode plate 21 and the anode plate 22 are electrified, the electro-catalytic oxidation of the wastewater in the reaction tank body 1 can be carried out, so that the organic pollutants in the wastewater are degraded; in the embodiment, the peripheral wall of the reaction tank body 1 is provided with a water inlet and a water outlet, so that the wastewater can normally enter and exit, and the top cover of the reaction tank body 1 is detachably connected with the tank body. Figure 1 The reaction tank body 1 is internally provided with a support plate 2, the bottom wall of the support plate 2 is provided with a cathode plate 21 and an anode plate 22, when the cathode plate 21 and the anode plate 22 are electrified, the electro-catalytic oxidation of the wastewater in the reaction tank body 1 can be carried out, so that the organic pollutants in the wastewater are degraded; in the embodiment, the peripheral wall of the reaction tank body 1 is provided with a water inlet and a water outlet, so that the wastewater can normally enter and exit, and the top cover of the reaction tank body 1 is detachably connected with the tank body.
[0032] Figure 1 , the drying pipe 7 is located above the supporting plate 2, the inner diameter of the drying pipe 7 is larger than the outer diameter of the air pipe 4, the drying cavity 71 is arranged in the drying pipe 7, and the electric heating wire 72 in the spiral shape is arranged in the drying cavity 71, so that the outer wall of the air pipe 4 passing through the drying pipe 7 can be heated and dried when the electric heating wire 72 is powered on, so as to prevent the waste water from being brought to the surface of the supporting plate 2 in the process of resetting the air pipe 4.
[0033] Referring to Figure 1 , the inside bottom wall of the reaction tank body 1 is rotationally connected with the stirring impeller 5, the stirring impeller 5 can drive the waste water to flow after rotation, and cooperates with the air pipe 4 to further reduce the probability of catalyst agglomeration in the waste water.
[0034] Referring to Figure 1 , the reaction tank body 1 is provided with the feeding pump 8, the discharge port of the feeding pump 8 is connected with the feeding pipe 81, the feeding pipe 81 is inserted into the reaction tank body 1, the feeding pipe 81 sequentially passes through the lifting plate 3 and the supporting plate 2, the feeding pipe 81 is provided with the pressure valve 83 to increase the pressure of the catalyst flowing in the feeding pipe 81, and the feeding pipe 81 is provided with the flared cover 82 at one end passing through the supporting plate 2 to diffuse the catalyst.
[0035] The implementation principle of the wastewater treatment device of the electro-catalytic oxidation is as follows: the lifting cylinder 31 is started, the lifting cylinder 31 drives the lifting plate 3 and the air pipe 4 to descend, the fan 42 is started, the gas enters the air pipe 4, and the gas bubble is formed by the gas blowing hole 41 of the air pipe 4, the catalyst in the waste water is combined with the waste water more fully under the influence of the gas bubble, the probability of agglomeration of the catalyst is reduced, the saturation of the catalyst in the waste water is improved, and the rate and effect of the electro-catalytic oxidation reaction are ensured.
[0036] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, so that: equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.
Claims
1. An electro-catalytic oxidation wastewater treatment device, comprising a reaction tank body (1), a support plate (2) is arranged in the reaction tank body (1), a cathode plate (21) and an anode plate (22) are arranged at the bottom of the support plate (2), characterized in that: The reaction tank body (1) is internally provided with a lifting plate (3), the lifting plate (3) is located above the supporting plate (2), the inside top wall of the reaction tank body (1) is provided with a lifting cylinder (31), the piston rod of the lifting cylinder (31) is connected with the lifting plate (3), the bottom wall of the lifting plate (3) is provided with a plurality of air pipes (4), a plurality of air blowing holes (41) are formed in the peripheral wall of the air pipe (4), a plurality of fans (42) are arranged outside the reaction tank body (1), the fan (42) and the air pipe (4) are one-to-one corresponding, a telescopic pipe (43) is arranged between the fan (42) and the corresponding air pipe (4), a plurality of lifting holes (23) through which the air pipe (4) passes are formed in the supporting plate (2) along the thickness direction.
2. An electro-catalytic oxidation wastewater treatment device according to claim 1, characterized in that: A plurality of air pipes (4) are uniformly distributed along the circumference of the lifting plate (3).
3. The electro-catalytic oxidation wastewater treatment device according to claim 1, characterized in that: The inside bottom wall of the reaction tank body (1) is rotatably connected with an agitating impeller (5).
4. The electro-catalytic oxidation wastewater treatment device according to claim 1, characterized in that: A plurality of buffer columns (6) are arranged in the reaction tank body (1), the buffer column (6) corresponds to the air pipe (4) one-to-one, the buffer column (6) is vertically arranged, the top wall of the buffer column (6) is provided with a buffer hole (61) into which the lower end of the air pipe (4) is inserted, an elastic element (62) is arranged in the buffer hole (61), and an abutting block (63) is arranged on the elastic element (62).
5. The electro-catalytic oxidation wastewater treatment device according to claim 1, characterized in that: The lifting hole (23) is externally provided with a drying pipe (7), the drying pipe (7) is located above the supporting plate (2), a drying cavity (71) is formed in the drying pipe (7), an electric heating wire (72) is arranged in the drying cavity (71), and the electric heating wire (72) is arranged in a spiral shape.
6. An electro-catalytic oxidation wastewater treatment device according to claim 1, characterized in that: The end wall of the piston rod of the lifting cylinder (31) is provided with a connecting flange (32).
7. An electro-catalytic oxidation wastewater treatment device according to claim 1, characterized in that: The top wall of the reaction tank body (1) is provided with a feeding pump (8), the feeding pump (8) is communicated with a feeding pipe (81), the feeding pipe (81) sequentially penetrates through the lifting plate (3) and the supporting plate (2), and one end of the feeding pipe (81) penetrating through the supporting plate (2) is provided with a flared cover (82).
8. An electro-catalytic oxidation wastewater treatment device according to claim 7, characterized in that: The feeding pipe (81) is provided with a pressurizing valve (83).