Electrocatalytic oxidation device
By using an automatic lifting and lowering sealing cap and an eccentric electrode rod design, the problems of sealing cap leakage and uneven flow field distribution in the electrocatalytic oxidation device are solved, improving the device's sealing performance and catalytic efficiency, and reducing operational intensity and safety risks.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUHAN SHUANGZHI ENVIRONMENTAL TECHNOLOGY CO LTD
- Filing Date
- 2025-06-16
- Publication Date
- 2026-06-26
AI Technical Summary
In existing electrocatalytic oxidation devices, the operation of the sealing cover is cumbersome and prone to leakage, the electrode fixing method affects the flow field distribution inside the reactor, and manual operation increases safety risks.
It adopts an automatic lifting sealing cover and a fixed structure, combined with the wedge block self-locking principle to achieve sealing, and eccentrically set electrode rods to optimize the flow field distribution, and uses a motor to drive the electrode position adjustment.
It achieves precise pressing of the sealing cap, reduces the intensity of manual intervention, improves sealing performance and catalytic efficiency, and adapts to different fluid dynamics requirements.
Smart Images

Figure CN224411506U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of industrial wastewater treatment technology, and more specifically, to an electrocatalytic oxidation device. Background Technology
[0002] Electrocatalytic oxidation technology degrades organic pollutants using strong oxidants generated on the electrode surface and is widely used in the treatment of high-concentration, recalcitrant wastewater. Existing devices typically employ a fixed reactor with a manually sealed lid, and the electrodes are vertically suspended and fixed at the center of the reactor.
[0003] In existing technologies, the traditional bolt-tightening sealing cover is cumbersome to operate, and manual tightening can easily lead to uneven stress on the sealing ring, which can cause leakage after long-term use; the central fixed electrode makes it difficult to optimize the flow field distribution inside the reactor, affecting catalytic efficiency; the opening, closing and tightening of the cover depends on manual operation, increasing the intensity of operation and safety risks. Utility Model Content
[0004] In view of the problems in the related technologies, this utility model proposes an electrocatalytic oxidation device to overcome the above-mentioned technical problems existing in the existing related technologies.
[0005] Therefore, the specific technical solution adopted by this utility model is as follows:
[0006] An electrocatalytic oxidation device includes a vessel structure, a cover structure covering the vessel structure, an electrode structure connected to the cover structure, a fixing structure connected to the vessel structure, and a lifting structure matching the cover structure. The cover structure and the vessel structure are automatically fixed together by the fixing structure, and the lifting structure is used to achieve automatic lifting and closing control of the cover structure.
[0007] Furthermore, the vessel structure includes a reaction vessel, a drain pipe, and a sealing groove. The bottom end of the reaction vessel is connected to a drain pipe, which is connected to an on / off valve. A sealing groove is provided on the outer periphery of the top end of the reaction vessel.
[0008] Furthermore, the cover structure includes a sealing cover, a fixing buckle, a mounting hole, an inner groove, and a sealing ring. The sealing cover is fixedly provided with a fixing buckle on the bottom side, and the sealing cover has a through mounting hole. The bottom surface of the sealing cover has an inner groove, and the side wall of the inner groove is embedded with a sealing ring. The sealing ring of the inner groove of the sealing cover matches the sealing groove of the reaction vessel.
[0009] Furthermore, the fixed structure includes a fixed guide rail, a sliding block, a wedge block, a transmission guide rod, a docking plate, and a first pushing device. The fixed guide rail is fixedly connected to the outer wall of the reactor. A sliding block is slidably connected to the fixed guide rail. A wedge block is fixedly connected to one side of the sliding block. A transmission guide rod is hinged to the wedge block. A docking plate is hinged to one end of the transmission guide rod. The docking plate is connected to the first pushing device.
[0010] Furthermore, the electrode structure includes a rotating disk, a fixed rod, and an electrode rod. The rotating disk is damped and rotatably connected to the mounting hole. The fixed rod is fixedly connected to the rotating disk at an off-center position. The electrode rod is fixedly connected to the bottom end of the fixed rod, and the electrode rod is connected to an external power source.
[0011] Furthermore, the lifting structure includes a second pushing device, a sleeve rod, a guide rod, a connecting frame, a rotating motor, and a support rod. The sleeve rod is connected to the periphery of the second pushing device, and the guide rod is slidably connected to the sleeve rod. A sealing cover is fixedly connected to the bottom end of the guide rod. A connecting frame is fixedly connected to one side of the second pushing device and the sleeve rod. The connecting frame is connected to the rotating motor. A support shaft is provided around the rotating motor, and a support rod is fixedly connected to the support shaft and the rotating motor.
[0012] The beneficial effects of this utility model are as follows:
[0013] 1. The lifting structure drives the sealing cover to press precisely, and the sealing ring is embedded in the sealing groove to form a uniform pressure seal; the wedge block of the fixed structure automatically tightens the fixing buckle through the inclined self-locking principle, avoiding sealing failure caused by manual operation;
[0014] 2. The damping rotating disk is adjustable, and the eccentrically positioned electrode rod can change its radial position in the reactor to adapt to different fluid dynamics requirements;
[0015] 3. The second pushing device enables one-button lifting and lowering of the cover, while the first pushing device completes locking / unlocking, reducing the intensity of manual intervention. The rotating motor adjusts the tilt angle of the device through the support rod, adapting to diverse installation scenarios. 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 embodiments 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 main structure of an electrocatalytic oxidation device according to an embodiment of the present utility model;
[0018] Figure 2 This is a schematic diagram of the vessel structure of an electrocatalytic oxidation device according to an embodiment of the present utility model;
[0019] Figure 3 This is a schematic diagram of the fixed structure of an electrocatalytic oxidation device according to an embodiment of the present invention;
[0020] Figure 4 This is a schematic diagram of the cover structure of an electrocatalytic oxidation device according to an embodiment of the present utility model;
[0021] Figure 5 This is a schematic diagram of the lifting structure of an electrocatalytic oxidation device according to an embodiment of the present invention.
[0022] In the picture:
[0023] 1. Reactor body structure; 101. Reactor; 102. Drain pipe; 103. Sealing groove; 2. Cover structure; 201. Sealing cover; 202. Fixing buckle; 203. Mounting hole; 204. Inner groove; 205. Sealing gas ring; 3. Fixing structure; 301. Fixing guide rail; 302. Sliding block; 303. Wedge block; 304. Transmission guide rod; 305. Connecting plate; 306. First pushing device; 4. Electrode structure; 401. Rotating disk; 402. Fixing rod; 403. Electrode rod; 5. Lifting structure; 501. Second pushing device; 502. Sleeve rod; 503. Guide rod; 504. Connecting frame; 505. Rotating motor; 506. Support rod. Detailed Implementation
[0024] 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 protection scope of the present utility model.
[0025] like Figure 1-5 As shown, the electrocatalytic oxidation device according to an embodiment of the present invention includes a vessel structure 1, a cover structure 2 covering the vessel structure 1, an electrode structure 4 connected to the cover structure 2, a fixing structure 3 connected to the vessel structure 1, and a lifting structure 5 matched to the cover structure 2. The cover structure 2 and the vessel structure 1 are automatically fixed together by the fixing structure 3, and the lifting structure 5 is used to achieve automatic lifting and closing control of the cover structure 2.
[0026] The vessel structure 1 includes a reactor 101, a drain pipe 102, and a sealing groove 103. The drain pipe 102 is connected to one side of the bottom of the reactor 101, and a shut-off valve is connected to the drain pipe 102. A sealing groove 103 is formed on the outer periphery of the top of the reactor 101. The reactor 101 is the main container, with an annular sealing groove 103 at its top. The drain pipe 102 connects to one side of the bottom of the reactor 101 and is equipped with a shut-off valve to control discharge. The sealing groove 103 forms a sealing interface with the cover structure 2.
[0027] The cover structure 2 includes a sealing cover 201, a fixing buckle 202, a mounting hole 203, an inner groove 204, and a sealing ring 205. The fixing buckle 202 is fixedly installed on the bottom side of the sealing cover 201. The mounting hole 203 passes through the sealing cover 201. The inner groove 204 is formed on the bottom surface of the sealing cover 201, and the sealing ring 205 is embedded in the side wall of the inner groove 204. The sealing ring 205 in the inner groove 204 of the sealing cover 201 fits into the sealing groove 103 of the reactor 101. The sealing cover 201 covers the cover of the reactor 101. The fixing buckle 202 is fixed on the bottom side, and the fixing buckle 202 cooperates with the fixing structure 3 to achieve a locking. The mounting hole 203 passes through the sealing cover 201. The inner groove 204 is formed on the bottom surface of the sealing cover 201, and the sealing ring 205 is embedded in the side wall. The sealing ring 205 and the sealing groove 103 of the reactor 101 form an airtight fit.
[0028] The fixed structure 3 includes a fixed guide rail 301, a sliding block 302, a wedge block 303, a transmission guide rod 304, a docking plate 305, and a first pushing device 306. The fixed guide rail 301 is fixedly connected to the outer wall of the reactor 101. The sliding block 302 is slidably connected to the fixed guide rail 301. The wedge block 303 is fixedly connected to one side of the sliding block 302. The transmission guide rod 304 is hinged to the wedge block 303. The docking plate 305 is hinged to one end of the transmission guide rod 304. The docking plate 305 is connected to the first pushing device 306. The rail 301 is a guide rail fixed to the outer wall of the reactor 101. The sliding block 302 is a driving block that slides along the fixed guide rail 301. The wedge block 303 is fixed to one side of the sliding block 302. The fixed buckle 202 is pushed by the inclined surface to lock the reactor 101 and the sealing cover 201. The two ends of the transmission guide rod 304 are respectively hinged to the wedge block 303 and the docking plate 305. The docking plate 305 is connected to the telescopic end of the first pushing device 306. The first pushing device 306 provides linear power, which is generally one of the following: a cylinder, a hydraulic cylinder, or an electric cylinder.
[0029] Electrode structure 4 includes a rotating disk 401, a fixed rod 402, and an electrode rod 403. The rotating disk 401 is rotatably connected to the mounting hole 203. The fixed rod 402 is fixedly connected to the rotating disk 401 at an off-center position. The bottom end of the fixed rod 402 is fixedly connected to the electrode rod 403, which is externally powered. The rotating disk 401 is rotatably mounted to the mounting hole 203, and the fixed rod 402 is fixed off-center from the center of the rotating disk 401. The bottom end of the fixed rod is connected to the electrode rod 403, which can extend into the reactor 101. An external power supply provides the oxidation potential.
[0030] The lifting structure 5 includes a second pushing device 501, a sleeve rod 502, a guide rod 503, a connecting frame 504, a rotating motor 505, and a support rod 506. The sleeve rod 502 is connected to the periphery of the second pushing device 501, and the guide rod 503 is slidably connected to the sleeve rod 502. A sealing cover 201 is fixedly connected to the bottom end of the guide rod 503. The connecting frame 504 is fixedly connected to one side of the second pushing device 501 and the sleeve rod 502. The rotating motor 505 is connected to the connecting frame 504. A support shaft is provided around the rotating motor 505, and the support shaft and the rotating motor 505 are fixedly connected. A support rod 506 is attached, and a second pushing device 501 provides lifting power. It is generally one of a cylinder, hydraulic cylinder, or electric cylinder. A sleeve rod 502 is fixed to the periphery of the second pushing device 501, and a guide rod 503 is slidably connected inside. The bottom end of the guide rod 503 is fixed with a sealing cover 201 to achieve vertical guidance. A connecting frame 504 fixes the second pushing device 501 and the sleeve rod 502. A rotating motor 505 drives the connecting frame 504 to rotate, so that the reactor 101 and the sealing cover 201 are separated on the axis. The support rod 506 fixes the rotating motor 505 and the support shaft to provide overall support.
[0031] In actual use, the second pushing device 501 is activated, pushing the sleeve rod 502 to move vertically along the guide rod 503, causing the sealing cover 201 to rise or fall. The second pushing device 501 retracts, the guide rod 503 moves upward, and the sealing cover 201 is disengaged from the reactor 101. The second pushing device 501 extends, the guide rod 503 moves downward, and the sealing cover 201 is pressed against the top of the reactor 101.
[0032] When the sealing cover 201 is pressed down, the inner groove 204 at its bottom end aligns with the sealing groove 103 of the reactor 101. The sealing ring 205 embedded in the side wall of the inner groove 204 is embedded in the sealing groove 103 to form an airtight interface. The first pushing device 306 is activated to push the docking plate 305, and the power is transmitted to the wedge block 303 through the transmission guide rod 304. The sliding block 302 is driven to slide along the fixed guide rail 301. The inclined surface of the wedge block 303 presses against the fixing buckle 202 of the sealing cover 201 to complete the automatic locking.
[0033] The damping disc 401 is rotated manually or by an electric device, and the electrode rod 403 is moved eccentrically within the reactor 101 by the off-center fixed rod 402, optimizing the spatial distribution of the electrode in the reaction liquid. The electrode rod 403 is connected to an external power source, which provides the potential required for catalytic oxidation after being energized. The liquid to be treated is injected into the reactor 101, and the electrode rod 403 is started to carry out the electrocatalytic oxidation reaction. After the reaction is completed, the on / off valve of the drain pipe 102 is opened to discharge the treated liquid.
[0034] After the reaction is completed and the liquid is drained, the locking device 306 retracts to release the lock, the wedge block 303 disengages from the fixing buckle 202, the sealing cover 201 is raised, and the residue on the surface of the reactor 101 and electrode rod 403 is cleaned.
[0035] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An electrocatalytic oxidation device, characterized in that, It includes a vessel body structure (1), a lid structure (2) covering the vessel body structure (1), an electrode structure (4) connected to the lid structure (2), a fixing structure (3) connected to the vessel body structure (1), and a lifting structure (5) matching the lid structure (2). The lid structure (2) and the vessel body structure (1) are automatically fixed through the fixing structure (3), and the lifting structure (5) is used to achieve automatic lifting and closing control of the lid structure (2). The reactor body structure (1) includes a reactor (101), a drain pipe (102), and a sealing groove (103). The bottom end of the reactor (101) is connected to the drain pipe (102), which is connected to an on / off valve. A sealing groove (103) is provided on the outer periphery of the top of the reactor (101). The cover structure (2) includes a sealing cover (201), a fixing buckle (202), a mounting hole (203), an inner groove (204), and a sealing... A sealing ring (205) is provided on the bottom side of the sealing cover (201), and a fixing buckle (202) is fixedly provided on the bottom side. A mounting hole (203) is provided through the sealing cover (201). An inner groove (204) is provided on the bottom surface of the sealing cover (201), and a sealing ring (205) is embedded in the side wall of the inner groove (204). The sealing ring (205) of the inner groove (204) of the sealing cover (201) matches the sealing groove (103) of the reactor (101). The lifting structure (5) includes a second pushing device (501), a sleeve rod (502), a guide rod (503), a connecting frame (504), a rotating motor (505), and a support rod (506). The sleeve rod (502) is connected to the periphery of the second pushing device (501). The guide rod (503) is slidably connected to the sleeve rod (502). The bottom end of the guide rod (503) is fixedly connected to a sealing cover (201). The connecting frame (504) is fixedly connected to one side of the second pushing device (501) and the sleeve rod (502). The rotating motor (505) is connected to the connecting frame (504). The rotating motor (505) is provided with a support shaft on its periphery. The support shaft and the rotating motor (505) are fixedly connected to the support rod (506).
2. The electrocatalytic oxidation device according to claim 1, characterized in that, The fixed structure (3) includes a fixed guide rail (301), a sliding block (302), a wedge block (303), a transmission guide rod (304), a docking plate (305), and a first pushing device (306). The fixed guide rail (301) is fixedly connected to the outer wall of the reactor (101), and the sliding block (302) is slidably connected on the fixed guide rail (301).
3. The electrocatalytic oxidation device according to claim 2, characterized in that, A wedge block (303) is fixedly connected to one side of the sliding block (302), and a transmission guide rod (304) is hinged to the wedge block (303). A docking plate (305) is hinged to one end of the transmission guide rod (304), and a first pushing device (306) is connected to the docking plate (305).
4. The electrocatalytic oxidation device according to claim 3, characterized in that, The electrode structure (4) includes a rotating disk (401), a fixed rod (402), and an electrode rod (403). The rotating disk (401) is damped and rotatably connected to the mounting hole (203). The rotating disk (401) is fixedly connected to the fixed rod (402) at a position off-center. The bottom end of the fixed rod (402) is fixedly connected to the electrode rod (403). The electrode rod (403) is connected to an external power source.