High-salt and high-organic wastewater treatment device based on BDD electrode electrooxidation technology

Abstract

The invention discloses a high-salt and high-organic wastewater treatment device based on a BDD electrode electrooxidation technology, and relates to the technical field of wastewater treatment.The high-salt and high-organic wastewater treatment device comprises a treatment box, a treatment cavity and a fusion cavity are formed in the treatment box in an up-down spaced mode, and the treatment box is provided with a water conveying pipe; the treatment box is provided with a water inlet pipe, a drain pipe is arranged on the side wall of the treatment box, the treatment box is provided with a water return pipe, and a one-way water valve is arranged on the water return pipe; the central axis of the rotating ring coincides with the central axis of the water conveying pipe; the plurality of cathode arc plates are arranged on each group of rotating rings at intervals; the plurality of anode arc plates are arranged on each group of rotating rings at intervals, and the cathode arc plates and the anode arc plates are arranged in a staggered manner; when the rotating ring rotates, the power supply assembly supplies energy to the cathode arc plate and the anode arc plate; when the water conveying pipe conveys water flow, the power assembly drives the rotating rings to rotate at the same time. The wastewater treatment speed can be increased.

Description

Technical Field

[0001] This application relates to the technical field of wastewater treatment, and in particular to a high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology. Background Technology

[0002] In recent years, industries such as petrochemicals, coal chemicals, fine chemicals, pharmaceuticals, and pesticides have developed rapidly. These industries generate large amounts of high-salt, high-organic wastewater during their production processes. Direct discharge of this wastewater would cause serious water pollution and disrupt the ecological balance. Therefore, the effective treatment of high-salt, high-organic wastewater has become a crucial issue concerning environmental protection and sustainable development. With increasing public awareness of environmental protection and increasingly stringent environmental regulations, the demand for efficient wastewater treatment technologies across various industries is becoming increasingly urgent. Effective wastewater treatment can not only reduce environmental harm but also promote the recycling of water resources and drive related industries towards green and environmentally friendly development.

[0003] In the treatment of high-salt and high-organic wastewater, BDD electrode electro-oxidation technology is a commonly used method. This technology, based on boron-doped diamond electrodes, is highly efficient and environmentally friendly. Its working principle utilizes the electrochemical oxidation characteristics of the BDD electrode, generating a series of highly oxidizing ions, such as hydroxyl radicals and oxygen, by applying an electric potential. These ions can undergo redox reactions with organic matter in the water, converting the organic matter into harmless substances such as carbon dioxide and water. Meanwhile, existing wastewater treatment devices generally employ a continuous influent and effluent system, continuously feeding wastewater into the device while simultaneously discharging treated wastewater.

[0004] However, existing wastewater treatment devices have certain drawbacks. Dead zones exist within the devices, preventing sufficient contact between the wastewater and the BDD electrodes. To ensure effective wastewater treatment, the inflow and outflow rates must be reduced, significantly impacting treatment efficiency and failing to meet the demands of relevant industries for rapid wastewater treatment. Summary of the Invention

[0005] To improve the wastewater treatment speed, this application provides a high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology.

[0006] This application provides a high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology, employing the following technical solution: A high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology includes a treatment tank, wherein a treatment chamber and a fusion chamber are spaced apart vertically inside the treatment tank, and the treatment tank is provided with a water supply pipe connecting the treatment chamber and the fusion chamber. The processing box is provided with an inlet pipe that connects to the fusion chamber, the side wall of the processing box is provided with a drain pipe that connects to the processing chamber, the processing box is provided with a return pipe that connects the fusion chamber and the drain pipe, and a one-way water valve is provided on the return pipe. A rotating ring is rotatably connected to the inner wall of the treatment tank and located inside the treatment cavity. The central axis of the rotating ring coincides with the central axis of the water supply pipe. There are multiple sets of rotating rings, and the rotating rings in each set are coaxially arranged with their diameters decreasing one by one. There are two rotating rings symmetrically arranged in each set. A cathode arc plate is disposed between two rotating rings in the same group, and there are multiple cathode arc plates disposed at intervals in each group of rotating rings; An anode arc plate is disposed between two rotating rings in the same group. There are multiple anode arc plates, which are spaced apart in each group of rotating rings. The cathode arc plate is staggered with the anode arc plate. A power supply assembly is provided in the processing box. When the rotating ring rotates, the power supply assembly supplies power to the cathode arc plate and the anode arc plate respectively. A power unit is installed in the processing tank. When the water pipe transmits water flow, the power unit drives each of the rotating rings to rotate simultaneously.

[0007] By adopting the above technical solution, the treatment tank is equipped with a treatment chamber and a fusion chamber, which are connected by a water supply pipe, allowing wastewater to flow sequentially through the fusion chamber and the treatment chamber. The inlet pipe connects to the fusion chamber for introducing wastewater, and the outlet pipe connects to the treatment chamber to discharge the treated water. The return water pipe and one-way valve allow some of the treated water to flow back to the fusion chamber to mix with the newly introduced wastewater, improving the treatment effect. The rotating ring is rotatably connected to the inner wall of the treatment tank and multiple sets are coaxially arranged. The cathode arc plate and anode arc plate are spaced apart on the rotating ring and staggered. Powered by the power supply component, the wastewater is treated using BDD electrode electro-oxidation technology. The power component uses the power of the water flow transmitted through the water supply pipe to drive the rotating ring to rotate, ensuring that the cathode arc plate and anode arc plate are in full contact with the wastewater, reducing treatment dead zones and improving the wastewater treatment speed.

[0008] Optionally, the power assembly includes a power blade, a power shaft, a transmission shaft, a transmission belt, a power helical gear, a power helical gear ring, a transmission gear ring, and a transmission gear. The processing box has a receiving groove that passes through and communicates with the water supply pipe. The power shaft is rotatably connected to the processing box and located in the receiving groove. Multiple power blades are evenly spaced on the outer periphery of the power shaft, and the power blades protrude into the water supply pipe. The drive shaft is rotatably connected to the processing box, the drive belt is slidably sleeved in the processing box, and the drive belt is sleeved on the power shaft and the outer periphery of the drive shaft; The power helical gear is disposed on the outer periphery of the transmission shaft, and the power helical gear ring is disposed at the bottom of the rotating ring adjacent to the drain pipe, and the power helical gear meshes with the power helical gear ring; The transmission gear ring is disposed on the opposite side of the adjacent rotating ring, the transmission gear rotates in the processing box, there are multiple transmission gears and they are respectively located between the adjacent transmission gear rings, and the transmission gear meshes with the transmission gear ring.

[0009] By adopting the above technical solution, the water flow in the water supply pipe drives the power blade to rotate, which in turn causes the power shaft and transmission shaft to rotate. Through the meshing of the power helical gear and the power helical gear ring, and the cooperation of the transmission gear ring and the transmission gear, all rotating rings are driven to rotate simultaneously. The rotating rings can be rotated without an additional power source, which reduces the energy consumption of the device and improves the energy utilization efficiency of the device.

[0010] Optionally, the power supply component includes a power supply ring and power supply brushes; The power supply ring is located on top of the rotating ring above, and the power supply ring rotates inside the processing box; The power supply brush is disposed inside the processing box, and the power supply brush corresponds one-to-one with the power supply ring. The power supply brush and the power supply ring are slidably connected.

[0011] By adopting the above technical solution, when the rotating ring rotates, the sliding connection between the power supply ring and the power supply brush can be used to continuously supply energy to the cathode arc plate and the anode arc plate, ensuring that the BDD electrode electro-oxidation technology can function normally and generate ions with strong oxidizing ability on the electrode to treat high-salt and high-organic wastewater.

[0012] Optionally, the water supply pipe is coaxially provided with a transmission pipe extending into the treatment chamber at its end, and a plurality of transmission holes are evenly spaced on the outer periphery of the transmission pipe.

[0013] By adopting the above technical solution, the transmission pipe extends into the treatment chamber and is provided with transmission holes, which enables the wastewater to flow into the treatment chamber in a dispersed manner, increases the contact area between the wastewater and the BDD electrode, reduces treatment dead zones, and improves the degree of contact between the wastewater and the BDD electrode. This, in turn, can increase the wastewater inflow and outflow speed and ensure the wastewater treatment speed.

[0014] Optionally, actuating electrode blocks are evenly spaced on the concave arc surfaces of the cathode arc plate and the anode arc plate.

[0015] By adopting the above technical solution, the contact area between wastewater and electrodes is increased, making the oxidation-reduction reaction between wastewater and ions with strong oxidizing ability more complete, thereby improving the wastewater treatment effect.

[0016] Optionally, the actuating electrode blocks are arranged in multiple groups and spaced apart circumferentially, each group of actuating electrode blocks has multiple blocks and is arranged spaced apart axially, and adjacent groups of actuating electrode blocks are staggered with each other.

[0017] By adopting the above technical solution, multiple sets of circumferentially spaced, each set spaced axially and with adjacent sets staggered, increase the contact area and contact opportunities between the electrodes and wastewater. This allows the wastewater to undergo a more thorough oxidation-reduction reaction with the electrodes during treatment, thereby improving wastewater treatment efficiency and effectiveness.

[0018] Optionally, the processing box is provided with a baffle plate located inside the fusion chamber, the return water pipe inlet and the inlet water pipe inlet are respectively located below the baffle plate, and a water inlet is formed between the baffle plate and the wall of the fusion chamber.

[0019] By adopting the above technical solution, the baffle plate allows the water returning from the return pipe and the water entering from the inlet pipe to mix below the baffle plate before entering other parts of the mixing chamber through the water inlet, so that water from different sources can be fully mixed and the subsequent treatment effect can be improved.

[0020] Optionally, the baffle is inclined downwards.

[0021] By adopting the above technical solution, the downward-sloping baffle plate can make the flow of wastewater in the mixing chamber smoother, reduce the possibility of the formation of local dead water areas in the mixing chamber, thereby effectively improving the mixing uniformity of wastewater in the mixing chamber and providing better conditions for subsequent treatment.

[0022] In summary, this application includes at least one of the following beneficial effects: 1. By utilizing BDD electrode electro-oxidation technology, ions with strong oxidizing power react with organic matter in water to undergo an oxidation-reduction reaction, oxidizing the organic matter into harmless substances such as carbon dioxide and water, thereby achieving effective treatment of high-salt and high-organic wastewater. 2. The power unit can drive the rotating ring to rotate, which in turn drives the cathode arc plate and anode arc plate to rotate, so that the wastewater can fully contact the electrodes and reduce dead zones in the treatment process. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the external structure of an embodiment of this application; Figure 2 This is a schematic diagram of the internal cross-section of an embodiment of this application; Figure 3 This is a schematic diagram of the connection structure between the cathode arc plate and the anode guard plate in an embodiment of this application; Figure 4 yes Figure 2 Enlarged schematic diagram of part A; Figure 5This is a schematic diagram of the connection structure of the power blade in an embodiment of this application; Figure 6 This is a schematic diagram of the connection structure between the power shaft and the transmission shaft in an embodiment of this application.

[0024] Reference numerals: 1. Processing box; 11. Processing chamber; 12. Fusion chamber; 13. Water supply pipe; 14. Water inlet pipe; 15. Water outlet pipe; 16. Water return pipe; 161. One-way water valve; 17. Receiving tank; 18. Baffle plate; 19. Water inlet; 2. Rotating ring; 3. Cathode arc plate; 4. Anode arc plate; 5. Power supply assembly; 51. Power supply ring; 52. Power supply brush; 6. Power blade; 61. Power shaft; 62. Transmission shaft; 63. Transmission belt; 64. Power helical gear; 65. Power helical gear ring; 66. Transmission gear ring; 67. Transmission gear; 7. Transmission pipe; 71. Transmission hole; 8. Actuating electrode block. Detailed Implementation

[0025] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0026] This application discloses a high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology.

[0027] The technical solutions in the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. The described embodiments are only possible technical implementations of the present invention, but are not limited thereto. Other embodiments obtained by those skilled in the art in conjunction with the embodiments of the present invention without creative effort are also within the protection scope of the present invention.

[0028] This application mainly adopts a scheme of rotating electrodes to enhance the contact between wastewater and electrodes, which achieves the effect of improving the treatment speed and efficiency of high-salt and high-organic wastewater. The following is a further detailed description of this application.

[0029] Example 1 See Figure 1 and Figure 2The high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology provided in this application includes a treatment tank 1, a rotating ring 2, a cathode arc plate 3, an anode arc plate 4, a power supply component 5, and a power component. The treatment tank 1 contains a treatment chamber 11 and a fusion chamber 12 spaced apart, with the treatment chamber 11 located above the fusion chamber 12. The treatment tank 1 is fixedly equipped with a water supply pipe 13, an inlet pipe 14, a drain pipe 15, and a return pipe 16. The water supply pipe 13 connects the treatment chamber 11 and the fusion chamber 12; the inlet pipe 14 connects the fusion chamber 12; the drain pipe 15 connects the treatment chamber 11; and the return pipe 16 connects the fusion chamber 12 and the drain pipe 15. A one-way valve 161 is fixedly installed on the return pipe 16. The rotating ring 2 is rotatably connected to the inner wall of the treatment tank 1 and is inside the treatment chamber 11. The power component can drive the rotating ring 2 to rotate when the water is transmitted through the water pipe 13. The power supply component 5 provides power to the cathode arc plate 3 and the anode arc plate 4 when the rotating ring 2 rotates. This allows the wastewater to fully contact the electrodes inside the treatment chamber 11, thereby improving the treatment efficiency.

[0030] Specifically, the treatment tank 1 is the basic component of the entire device, and it is generally made of corrosion-resistant materials, such as stainless steel or plastic with special anti-corrosion treatment. The interior of the treatment tank 1 is divided into two chambers, namely the treatment chamber 11 and the fusion chamber 12. The existence of these two chambers allows the wastewater to undergo different treatment stages within the device. The treatment chamber 11 is used for wastewater treatment, and the fusion chamber 12 is used to dilute the wastewater to be treated, thereby improving the wastewater treatment speed and quality.

[0031] Water supply pipe 13 connects treatment chamber 11 and fusion chamber 12. Water supply pipe 13 can be made of materials such as PVC pipe. The function of water supply pipe 13 is to transport wastewater in fusion chamber 12 to treatment chamber 11 for further treatment. Water inlet pipe 14 is used to introduce high-salt, high-organic wastewater to be treated into fusion chamber 12. The diameter of water inlet pipe 14 can be selected according to the actual treatment volume. Water inlet pipe 14 can be connected to an external wastewater delivery pipeline. Drain pipe 15 is located on the vertical side wall of treatment chamber 11 and is used to discharge the treated wastewater in treatment chamber 11. Water return pipe 16 is used to return part of the wastewater in treatment chamber 11 to fusion chamber 12. When the wastewater is returned, on the one hand, it can significantly increase the flow rate and turbulence of the wastewater in treatment chamber 11. On the other hand, the wastewater returning to treatment chamber 11 can mix and dilute the treated, relatively stable effluent with the high-concentration raw water, making the concentration and composition of the wastewater entering the reactor more uniform and stable. The one-way valve 161 on the return water pipe 16 ensures that the water flow can only flow from the drain pipe 15 to the fusion chamber 12, reducing the possibility of wastewater backflow. The one-way valve 161 can be a common ball check valve or butterfly check valve, etc.

[0032] The rotating ring 2 is a crucial component of the device. It is rotatably connected to the inner wall of the treatment tank 1 and protrudes into the treatment cavity 11. Multiple sets of rotating rings 2 exist, with their central axes coinciding with the central axis of the water supply pipe 13. Each set of rotating rings 2 is coaxially arranged with progressively decreasing diameters. Each set contains two rotating rings 2 arranged symmetrically, one above the other. The rotating rings 2 can be made of a metal material, such as aluminum alloy, to ensure their strength and durability. The rotating rings 2 are rotatably connected to the inner wall of the treatment tank 1 via bearings, reducing friction during rotation.

[0033] See Figure 2 and Figure 3 The cathode arc plate 3 and anode arc plate 4 each have a three-quarter circular arc structure in their horizontal cross-section. They are fixedly connected between two rotating rings 2 in the same group. The cathode arc plate 3 and anode arc plate 4 are key components for realizing the BDD electrode electro-oxidation technology. Multiple cathode arc plates 3 and anode arc plates 4 are used, spaced apart in each group of rotating rings 2, with staggered placement between them. The anode arc plate 4 is generally made of boron-doped diamond (BDD) material. The boron-doped diamond (BDD) electrode serves as the core oxidation component, efficiently generating hydroxyl radicals (•OH). The cathode arc plate 3 is usually made of titanium or other inert materials, paired with the anode to form an electric field. During installation, it is crucial to ensure a secure connection between the cathode arc plate 3 and anode arc plate 4 and the rotating rings 2 to reduce the possibility of loosening during rotation. Initially, the electrode closest to the water pipe 13 is the anode arc plate 4.

[0034] The power supply assembly 5 includes a power supply ring 51 and a power supply brush 52. The power supply ring 51 is fixedly connected to the top of the rotating ring 2 located above, and rotates within the processing box 1. The power supply ring 51 can be made of copper, a material with good conductivity, and its surface is smoothed to ensure good contact with the power supply brush 52. The power supply brush 52 is fixedly installed inside the processing box 1, and corresponds one-to-one with the power supply ring 51 and is slidably connected. The power supply brush 52 can be made of graphite brush, which has good conductivity and wear resistance. The function of the power supply assembly 5 is to supply power to the cathode arc plate 3 and the anode arc plate 4 when the rotating ring 2 rotates, ensuring the normal operation of the electrodes.

[0035] See Figure 4 and Figure 5 The power assembly includes a power blade 6, a power shaft 61, a drive shaft 62, and a drive belt 63 (the drive belt 63 is in...). Figure 6 (The following components are listed in the original text): 64 (power helical gear), 65 (power helical gear ring), 66 (transmission gear ring), and 67 (transmission gear).

[0036] See Figure 5 and Figure 6The treatment box 1 has a receiving groove 17, which passes through and connects to the water supply pipe 13. A power shaft 61 is rotatably connected to the treatment box 1 and is located within the receiving groove 17. Multiple power blades 6 are evenly spaced circumferentially and fixed to the outer periphery of the power shaft 61, close to the drain pipe 15 (the drain pipe 15 is located within...). Figure 1 The power blade 6 (as indicated by the bid) protrudes into the water supply pipe 13. When water flows through the water supply pipe 13, the water flow impacts the power blade 6, causing the power shaft 61 to rotate. The power blade 6 can be made of plastic or aluminum alloy.

[0037] The drive shaft 62 is rotatably connected to the processing box 1, and the drive belt 63 is slidably inserted into the processing box 1. The drive belt 63 is connected end to end and sleeved on the outer periphery of the power shaft 61 and the drive shaft 62. The rotation of the power shaft 61 can be transmitted to the drive shaft 62 through the drive belt 63, so that the drive shaft 62 rotates with the power shaft 61.

[0038] See Figure 4 and Figure 5 A helical gear 64 is fixedly connected to the outer circumference of the drive shaft 62, and a helical gear ring 65 is fixedly connected to the bottom of the rotating ring 2 adjacent to the drain pipe 15. The helical gear ring 65 and the helical gear 64 mesh with each other. When the drive shaft 61 rotates, the helical gear 64 transmits power through the helical gear ring 65, thereby transmitting the rotation of the drive shaft 62 to the rotating ring 2, driving the ring closer to the drain pipe 15 (the drain pipe 15 is located in...). Figure 1 The rotating ring 2 (marked out) rotates.

[0039] A transmission gear ring 66 is fixedly connected to the opposing sides of two adjacent rotating rings 2. A transmission gear 67 rotates inside the treatment chamber 1. There are multiple transmission gears 67, and each transmission gear 67 is located between two adjacent transmission gear rings 66. The transmission gears 67 mesh with the transmission gear rings 66, allowing each rotating ring 2 to rotate simultaneously. At the same time, the rotation of each rotating ring 2 is in opposite directions. When wastewater enters the treatment chamber 11, the anode arc plate 4 located in the middle of the treatment chamber 11 agitates the water flow to rotate, allowing the water flow to better contact the anode arc plate 4. Then, with the continuous input of wastewater, the water flow flows from the two ends of the anode arc plate 4 in the middle position to the gap between it and the next adjacent cathode arc plate 3. Then, when the anode arc plate 4 and the cathode arc plate 3 rotate, they drive the wastewater flow, turbulent the wastewater, and further allow more wastewater to contact the anode arc plate 4 and the cathode arc plate 3. Then, following the same steps, the wastewater continuously flows towards the drain pipe 15 until it flows out of the drain pipe 15.

[0040] The implementation principle of the high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology in Embodiment 1 of this application is as follows: The high-salt, high-organic wastewater to be treated enters the fusion chamber 12 through the inlet pipe 14, where it is mixed and diluted with the recycled wastewater. Then, it flows into the treatment chamber 11 through the delivery pipe 13. As the water flows through the delivery pipe 13, it impacts the power blade 6, causing the power shaft 61 to rotate. This rotation, via transmission, drives the rotating rings 2. During rotation, the power supply component 5 functions as both the cathode arc plate 3 and the anode arc, generating ions with strong oxidizing capabilities, such as hydroxyl radicals (•OH) and oxygen. These ions react with the organic matter in the wastewater through redox reactions, oxidizing the organic matter into harmless substances. The rotation of the rotating rings 2 ensures more thorough contact between the wastewater and the electrodes, reducing dead zones and improving the treatment speed and effectiveness. Simultaneously, some of the treated wastewater flows back to the fusion chamber 12 through the return pipe 16, mixing again with the newly entering wastewater for further treatment, further improving efficiency. Compared to traditional wastewater treatment devices, this design effectively solves the problem of incomplete contact between wastewater and electrodes, representing a significant improvement and contribution to existing technology.

[0041] Example 2 See Figure 5 The difference between this embodiment and the previous embodiment is that a transmission pipe 7 is coaxially fixedly connected to the end of the water supply pipe 13. The transmission pipe 7 extends into the treatment chamber 11, and multiple transmission holes 71 are evenly spaced on the outer periphery of the transmission pipe 7. The transmission pipe 7 can be made of the same material as the water supply pipe 13, such as PVC pipe. The function of the transmission pipe 7 is to distribute the wastewater in the water supply pipe 13 more evenly into the treatment chamber 11. The size and number of transmission holes 71 can be adjusted according to actual conditions. The arrangement of the transmission pipe 7 allows the wastewater to enter the treatment chamber 11 more comprehensively and make full contact with the electrodes, further improving the wastewater treatment effect.

[0042] The implementation principle of a high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology in Embodiment 2 of this application is as follows: Wastewater enters the transmission pipe 7 through the water supply pipe 13, and then is dispersed into the treatment chamber 11 through the transmission holes 71 on the outer periphery of the transmission pipe 7. This prevents wastewater from concentrating in one place within the treatment chamber 11, resulting in a more uniform distribution of wastewater within the chamber, thus ensuring full contact with the rotating cathode arc plate 3 and anode arc plate 4, improving the efficiency and effectiveness of wastewater treatment. Compared to Example 1, this design further optimizes the wastewater inflow method and reduces treatment dead zones.

[0043] Example 3 See Figure 6The difference between this embodiment and the previous embodiment is that: Actuating electrode blocks 8 are evenly spaced on the concave arc surfaces of the cathode arc plate 3 and the anode arc plate 4. Multiple sets of actuating electrode blocks 8 are arranged circumferentially, and each set contains multiple actuating electrode blocks 8 arranged axially. Adjacent sets of actuating electrode blocks 8 are staggered. The actuating electrode blocks 8 can be made of the same material as the cathode arc plate 3 and the anode arc plate 4. For example, the actuating electrode blocks 8 on the anode arc plate 4 are made of boron-doped diamond, and the actuating electrode blocks 8 on the cathode arc plate 3 are made of titanium or other inert materials. The actuating electrode blocks 8 increase the contact area between the electrode and the wastewater, and during rotation, they further drive the wastewater flow, making the contact between the wastewater and the electrode more thorough.

[0044] The implementation principle of a high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology in Embodiment 3 of this application is as follows: When the rotating ring 2 drives the cathode arc plate 3 and the anode arc plate 4 to rotate, the agitator electrode block 8 rotates along with them. On the one hand, the agitator electrode block 8 increases the contact area between the electrode and the wastewater, allowing more organic matter to react with the strong oxidizing ions generated on the electrode. On the other hand, the agitator electrode block 8 stirs the wastewater during rotation, breaking the static state of the wastewater and creating a more complex flow within the treatment chamber 11, reducing dead zones and improving the wastewater treatment effect. This design further optimizes the contact method between the electrode and the wastewater based on Examples 1 and 2.

[0045] Example 4 See Figure 2 The difference between this embodiment and the previous embodiment is that: a baffle plate 18 is fixedly connected to the treatment tank 1, and the baffle plate 18 is located inside the fusion chamber 12, with the baffle plate 18 tilted downwards. The inlet of the return water pipe 16 and the inlet of the inlet of the water pipe 14 are respectively located below the baffle plate 18, and a water inlet 19 is formed between the baffle plate 18 and the wall of the fusion chamber 12. The baffle plate 18 is generally made of a corrosion-resistant material, such as a plastic plate. The function of the baffle plate 18 is to separate the water flow in the fusion chamber 12. The wastewater input by the inlet pipe 14 is guided by the baffle plate 18 and mixed with the wastewater returning from the return water pipe 16. Then the mixed wastewater passes through the water inlet 19 and finally enters the transmission pipe 7 through the water supply pipe 13.

[0046] The implementation principle of a high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology in Embodiment 4 of this application is as follows: When wastewater enters the fusion chamber 12 through the inlet pipe 14, it first accumulates below the baffle plate 18 due to the presence of the baffle plate 18. Simultaneously, wastewater returning from the return pipe 16 also mixes with the newly entering wastewater below the baffle plate 18. The mixed wastewater then flows upward through the water inlet 19 between the baffle plate 18 and the wall of the fusion chamber 12. The inclined arrangement of the baffle plate 18 provides a certain degree of stirring and mixing for the wastewater. This ensures thorough mixing of the wastewater within the fusion chamber 12, improving the effectiveness of subsequent treatment. Compared to the previous embodiment, this design further optimizes the mixing method of the wastewater within the fusion chamber 12.

[0047] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology, characterized in that: The system includes a processing box (1), which has a processing chamber (11) and a fusion chamber (12) spaced apart vertically. The processing box (1) is provided with a water supply pipe (13) that connects the processing chamber (11) and the fusion chamber (12). The processing tank (1) is provided with an inlet pipe (14) that connects to the fusion chamber (12), and a drain pipe (15) that connects to the processing chamber (11) is provided on the side wall of the processing tank (1). The processing tank (1) is provided with a return pipe (16) that connects to the fusion chamber (12) and the drain pipe (15). A one-way water valve (161) is provided on the return pipe (16). Rotating ring (2) is rotatably connected to the inner wall of the treatment box (1) and located in the treatment cavity (11). The central axis of the rotating ring (2) coincides with the central axis of the water supply pipe (13). There are multiple sets of rotating rings (2). Each set of rotating rings (2) is coaxially arranged and the diameter decreases one by one. There are two rotating rings (2) in each set, arranged symmetrically on the top and bottom. A cathode arc plate (3) is disposed between two rotating rings (2) in the same group. There are multiple cathode arc plates (3) and they are disposed at intervals in each group of rotating rings (2). An anode arc plate (4) is disposed between two rotating rings (2) in the same group. There are multiple anode arc plates (4) and they are disposed at intervals in each group of rotating rings (2). The cathode arc plate (3) is staggered with the anode arc plate (4). The power supply component (5) is installed in the processing box (1). When the rotating ring (2) rotates, the power supply component (5) supplies power to the cathode arc plate (3) and the anode arc plate (4) respectively. The power assembly is located in the processing tank (1). When the water pipe (13) transmits water flow, the power assembly drives each of the rotating rings (2) to rotate simultaneously.

2. The high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology according to claim 1, characterized in that: The power assembly includes a power blade (6), a power shaft (61), a transmission shaft (62), a transmission belt (63), a power helical gear (64), a power helical gear ring (65), a transmission gear ring (66), and a transmission gear (67). The processing box (1) has a receiving groove (17) that passes through and connects to the water supply pipe (13). The power shaft (61) is rotatably connected to the processing box (1) and located in the receiving groove (17). Multiple power blades (6) are evenly spaced on the outer periphery of the power shaft (61). The power blades (6) protrude into the water supply pipe (13). The drive shaft (62) is rotatably connected to the processing box (1), the drive belt (63) is slidably sleeved in the processing box (1), and the drive belt (63) is sleeved on the power shaft (61) and the outer periphery of the drive shaft (62). The power helical gear (64) is disposed on the outer periphery of the transmission shaft (62), and the power helical gear ring (65) is disposed at the bottom of the rotating ring (2) adjacent to the drain pipe (15). The power helical gear (64) meshes with the power helical gear ring (65). The transmission gear ring (66) is disposed on the opposite side of the adjacent rotating ring (2), the transmission gear (67) rotates in the processing box (1), there are multiple transmission gears (67) and they are respectively located between the adjacent transmission gear rings (66), and the transmission gear (67) meshes with the transmission gear ring (66).

3. The high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology according to claim 2, characterized in that: The power supply component (5) includes a power supply ring (51) and a power supply brush (52); The power supply ring (51) is located on top of the rotating ring (2) above, and the power supply ring (51) rotates inside the processing box (1); The power supply brush (52) is disposed in the processing box (1). The power supply brush (52) corresponds one-to-one with the power supply ring (51). The power supply brush (52) and the power supply ring (51) are slidably connected.

4. The high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology according to claim 1, characterized in that: The water supply pipe (13) is coaxially provided with a transmission pipe (7) extending into the treatment chamber (11) at its end, and a plurality of transmission holes (71) are evenly spaced on the outer periphery of the transmission pipe (7).

5. The high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology according to claim 1, characterized in that: The cathode arc plate (3) and the anode arc plate (4) are provided with actuating electrode blocks (8) evenly spaced on their arc-shaped concave surfaces.

6. The high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology according to claim 5, characterized in that: The actuating electrode blocks (8) are arranged in multiple groups and spaced apart along the circumference. Each group of actuating electrode blocks (8) has multiple blocks and is arranged spaced apart along the axial direction. The actuating electrode blocks (8) of adjacent groups are staggered.

7. The high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology according to claim 1, characterized in that: The processing box (1) is provided with a baffle plate (18) located in the fusion chamber (12). The inlet of the return water pipe (16) and the inlet of the water inlet pipe (14) are located below the baffle plate (18). A water inlet (19) is formed between the baffle plate (18) and the wall of the fusion chamber (12).

8. The high-salt, high-organic wastewater treatment device based on BDD electrode electro-oxidation technology according to claim 7, characterized in that: The baffle plate (18) is inclined downward.

Images