CN114735864A - Electrocatalytic oxidation control system - Google Patents

Electrocatalytic oxidation control system Download PDF

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Publication number
CN114735864A
CN114735864A CN202210664142.2A CN202210664142A CN114735864A CN 114735864 A CN114735864 A CN 114735864A CN 202210664142 A CN202210664142 A CN 202210664142A CN 114735864 A CN114735864 A CN 114735864A
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China
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electrocatalytic oxidation
bin
pipe
box body
catalysis
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CN202210664142.2A
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CN114735864B (en
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代晋国
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Jiangsu Youjia Ecological Environment Technology Co ltd
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Jiangsu Youjia Ecological Environment Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention belongs to the technical field of electrocatalytic oxidation, and particularly relates to an electrocatalytic oxidation control system which comprises a box body, wherein a controller is arranged on one side of the box body, a feeding pipe is communicated with one side of the box body, a discharging pipe is arranged on the other side of the box body, one side of the discharging pipe is communicated with a cleaning pipe through an electric control three-way valve, a sludge discharging pipe is arranged at the bottom of the box body, and an oil pumping pipe is arranged on one side of the box body; the box is inside to be cut apart into catalysis storehouse and sediment storehouse through the middle part baffle with both sides, the inside electrocatalytic oxidation device that is equipped with in catalysis storehouse, one side that the middle part baffle is close to the inlet pipe is equipped with electric telescopic handle, and the device is effectual to the electrocatalytic oxidation of waste water, and oxidation efficiency is high, and is effectual to the desliming of inside waste water, and clean degree in the device is high, cleans electrocatalytic oxidation device tip at the electrocatalytic oxidation in-process simultaneously, avoids its tip oxidation pollution to appear, and then reduces follow-up oxidation effect to waste water, and the device linkage nature is strong, and is clean effectual.

Description

Electrocatalytic oxidation control system
Technical Field
The invention belongs to the technical field of electrocatalytic oxidation, and particularly relates to an electrocatalytic oxidation control system.
Background
The electrocatalytic oxidation technology is an oxidation reaction which takes electricity as a catalyst and takes hydrogen peroxide, oxygen, ozone and the like as oxidants, the catalytic efficiency is stable, the utilization rate of the oxidants is up to more than 95%, the reaction rate of hydroxyl radicals generated in an electrocatalytic oxidation system is 105 times higher than that of direct oxidation of ozone, the selectivity is not existed, and almost all organic matters can be reacted, so the effect of advanced oxidation is stable, and the change of residual organic matters in water can not be changed, thereby the electrocatalytic oxidation technology is regarded as important by vast environmental workers.
The Chinese patent 2020106099957 provides an electrocatalytic oxidation device, which comprises a cell body, wherein a cathode electrode and an anode electrode are arranged in the cell body, and a power supply is arranged outside the cell body; the top of the side surface of the tank body is provided with an air outlet which is connected with an air outlet pipeline, and the tail end of the air outlet pipeline is connected with an exhaust fan; a push plate is arranged at one end, far away from the air outlet, in the tank body, the bottom of the push plate is higher than the upper surfaces of the cathode electrode and the anode electrode, a bottom plate is vertically and slidably connected onto the push plate, the upper surface of the bottom plate is a sliding inclined surface which inclines downwards from the side close to the push plate, and a limiting block for limiting the bottom plate to fall is arranged at the bottom of the push plate; a driving mechanism for driving the push plate to move towards the air outlet is arranged on the pool body, a guide block is fixed at one end of the inner side of the pool body, which is close to the air outlet, the guide block is provided with a guide inclined plane which extends downwards from the bottom of the air outlet in an inclined way, and the lowest end of the guide inclined plane is positioned below the limiting block; the lower surface of the gas outlet pipeline is connected with a discharge pipe, the discharge pipe is sleeved with a material receiving box, the material receiving box seals the pipe opening of the discharge pipe, and the device has the problems of low oxidation efficiency, more impurity-containing discharged materials, serious pollution, high cost, low automation degree, large detection difficulty and the like in electrocatalysis.
The existing electrocatalytic oxidation device is in actual use, the oil stain treatment difficulty on the surface of waste water is large, meanwhile, the treatment difficulty of oxide layers attached to the surfaces of electrodes is large, subsequent electrocatalytic oxidation is extremely easy to pollute, and meanwhile, impurities such as sludge are easily remained at the bottom of the device in actual use, so that the subsequent waste water is polluted, the cleaning difficulty inside the device is large, the mobility is poor, and the structural adaptability is low.
Disclosure of Invention
Aiming at the problems, the invention provides an electrocatalytic oxidation control system, which effectively solves the problems of low electrocatalytic oxidation efficiency, poor effect, difficult cleaning of oil stains on the top of wastewater, impurity generation at the end part of an electrocatalytic oxidation device in the wastewater due to oxidation, difficult cleaning of sludge in the wastewater and the like.
In order to achieve the purpose, the invention provides the following technical scheme: an electrocatalytic oxidation control system comprises a box body, wherein a controller is arranged on one side of the box body, a feeding pipe is communicated with one side of the box body, a discharging pipe is arranged on the other side of the box body, one side of the discharging pipe is communicated with a cleaning pipe through an electric control three-way valve, a sludge discharging pipe is arranged at the bottom of the box body, and an oil pumping pipe is arranged on one side of the box body;
the device comprises a box body and is characterized in that the interior of the box body is divided into a catalysis bin and a precipitation bin through a middle baffle plate, an electrocatalytic oxidation device is arranged in the catalysis bin, an electric telescopic rod is arranged on one side, close to a feeding pipe, of the middle baffle plate, a moving frame is arranged at the output end of the electric telescopic rod, a groove is formed in the inner bottom of the moving frame, a cylinder is arranged at the inner top of the groove, an electromagnet is arranged at the output end of the bottom of the cylinder, multiple groups of hard hairbrushes are uniformly arrayed at the bottom of the electromagnet, oil storage tanks are arranged on the inner wall of the catalysis bin and one side, close to the feeding pipe, of the middle baffle plate, wedge-shaped vertical plates are arranged on one side, close to the electrocatalytic oxidation device, of each oil storage tank, and the bottoms of the oil storage tanks are communicated with an oil pumping pipe through communication pipelines;
the bottom uniform array of the catalysis bin is provided with a plurality of groups of driving motors, the top output end of each driving motor is provided with a rotating cylinder, the center of each rotating cylinder is provided with a vertical groove, the inside of each vertical groove is slidably connected with a magnetic slider, the top magnetism of each magnetic slider is the same as that of the bottom of an electromagnet, the bottom of each magnetic slider is provided with a reset spring, the other end of the bottom of each reset spring is fixedly connected with the inner bottom of each vertical groove, the peripheral side uniform array of each rotating cylinder is provided with a plurality of groups of side holes, the side holes are communicated with the vertical grooves, connecting rods are slidably connected in the side holes, one end of each connecting rod is fixedly connected with the peripheral side of each magnetic slider, the other end of each connecting rod is provided with a rotating rod, the inside uniform array of each rotating rod is provided with a plurality of groups of filter holes, and the bottom of the catalysis bin and the peripheral uniform array of each rotating cylinder are provided with a plurality of groups of mud falling holes, the other end of the mud falling hole is communicated with a mud discharging pipe;
when the electromagnet is started and transversely moves to the top of the magnetic sliding block, the electromagnet drives the magnetic sliding block to extrude the reset spring to move downwards through magnetic repulsion with the magnetic sliding block, the magnetic sliding block drives the rotating rod to move downwards through the connecting rod, and when the electromagnet drives away from the top of the connecting rod, the magnetic sliding block returns to the original position under the action of the elastic force of the reset spring, so that the magnetic sliding block vibrates up and down at a high frequency in the vertical groove; after accomplishing catalytic oxidation, controller control cylinder drives electro-magnet and stereoplasm brush and moves to the maximum distance down, the electro-magnet moves down to the maximum distance through driving the magnetism slider with magnetism slider magnetic repulsion, the bottom contact in dwang bottom and the catalysis storehouse, driving motor drives the dwang and rotates and cooperate the silt of stereoplasm brush bottom to strike off in the catalysis storehouse.
Compared with the prior art, the invention has the following beneficial effects:
1. this application is through setting up the inlet pipe, the catalysis storehouse, the electric catalytic oxidation device, mutually support of parts such as sediment storehouse and discharging pipe, go into the catalysis storehouse with waste water along the inlet pipe, and oxidize through the electric catalytic oxidation device in the catalysis storehouse, later liquid reachs and deposits in the storehouse, finally discharge along the discharging pipe, the device mainly is effectively getting rid of to the pollutant such as the difficult degradation organic matter of microorganism that contains in the salt waste water and ammonia nitrogen, can effectively get rid of the organic matter in the high salt aquatic, ammonia nitrogen and some heavy metals, easy and simple to handle, strong controllability, degree of automation is high, green is clean, the treatment effeciency has been improved, the treatment cost is saved, can carry out real-time dynamic monitoring through corresponding instrument and meter, can be according to the operating parameter of water quality condition adjustment system at any time, thereby guarantee the treatment effeciency of system.
2. The device comprises a catalysis bin, an electric telescopic rod, a movable frame, an electromagnet, a hard hairbrush, a rotary cylinder, a reset spring, a magnetic sliding block, a rotary rod, a filter hole and other components which are matched with each other, wherein a controller controls the electric telescopic rod to be started to drive the movable frame to transversely move in the catalysis bin, the hard hairbrush in the movable frame removes oil stains on the top of wastewater, meanwhile, a driving motor drives the rotary rod to rotate to stir the wastewater, when the electromagnet moves to the top of the magnetic sliding block, the magnetic repulsion force of the electromagnet on the magnetic sliding block is greater than the elastic force of the reset spring, the magnetic sliding block extrudes the reset spring to downwards move, the rotary rod synchronously downwards moves, the filter hole cleans sludge in the wastewater, simultaneously generated bubbles reach the end of the electrocatalytic oxidation device to clean an oxidation end, when the electromagnet moves away from the top of the magnetic sliding block, the magnetic sliding block upwards moves to recover the original position under the elastic force of the reset spring, the shock wave that the vibration produced about the magnetic sliding block high frequency is clean electrocatalytic oxidation device tip equally, and the device is not only strong to the clean effect of the greasy dirt in the waste water, and the electro-magnet cooperation magnetic sliding block and reset spring produce the decontamination effect that shock wave can effectual improvement to electrocatalytic oxidation device in waste water simultaneously, and whole cleaning performance is strong, and the device linkage nature is good.
3. The device is provided with a moving block, a cylinder, an electric telescopic rod, an electromagnet, a hard brush, a rotating rod, a magnetic sliding block, a mud falling hole and other parts which are mutually matched, after oxidation is completed, clear water is added into a precipitation bin and a catalysis bin along a cleaning pipe, a controller controls the cylinder to start to drive the electromagnet and the hard brush at the bottom to move to the maximum value, the hard brush is in contact with the bottom in the catalysis bin to clean, meanwhile, the magnetic repulsion force of the electromagnet on the magnetic sliding block is maximum, the magnetic sliding block moves down to the maximum value, the bottom of the rotating rod is in contact with the bottom in the catalysis bin to rotate, so that the hard brush is matched to clean the bottom in the catalysis bin to remove mud, the device not only has good electrocatalytic oxidation effect on waste water, but also can discharge oil stains at the top of the waste water in time, and is matched with high-frequency vibration of the magnetic sliding block to generate shock waves to clean impurities generated by oxidation at the end part of the electrocatalytic oxidation, further improve clean effect, especially, after accomplishing waste water oxidation, combine above-mentioned process, further carry out thorough effectual cleaning to the silt of catalysis storehouse bottom, the linkage of internal arrangement is strong, clean effectual, clean inefficiency can not cause multiple pollution etc..
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a schematic view of the structure of an electrocatalytic oxidation apparatus according to the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 2;
FIG. 5 is an enlarged view of the point B in FIG. 2;
FIG. 6 is an enlarged view of FIG. 2 at C;
FIG. 7 is a schematic view of a rotary drum according to the present invention;
fig. 8 is a schematic top cross-sectional view of a rotary cylinder of the present invention.
Reference numerals: 1. a box body; 2. a feed pipe; 3. a discharge pipe; 4. cleaning the tube; 5. a support leg; 6. a sludge discharge pipe; 7. an oil pumping pipe; 8. a catalysis bin; 9. a settling bin; 10. an electrocatalytic oxidation device; 11. a direct current power supply; 12. a positive plate; 13. a negative plate; 14. a middle baffle; 15. an electric control rotating plate; 16. an electric telescopic rod; 17. a sliding groove; 18. moving the frame; 19. a groove; 20. a cylinder; 21. an electromagnet; 22. a hard brush; 23. a wedge-shaped vertical plate; 24. an oil storage tank; 25. a drive motor; 26. a rotating cylinder; 27. a vertical slot; 28. a side hole; 29. a return spring; 30. a magnetic slider; 31. rotating the rod; 32. filtering holes; 33. an ozone generator; 34. a connecting rod; 35. a PH on-line detector; 36. a COD on-line detector; 37. an ammonia nitrogen online detector; 38. a mud falling hole; 39. a medicine feeding pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
First embodiment
As shown in fig. 1-3, an electrocatalytic oxidation control system comprises a box body 1, wherein a controller is arranged on one side of the box body 1 and electrically controls each electrical element, a feeding pipe 2 is communicated with one side of the box body 1, a discharging pipe 3 is arranged on the other side of the box body 1, feeding is carried out into the box body 1 along the feeding pipe 2, and discharging is carried out along the discharging pipe 3.
The box 1 is inside to be cut apart into catalysis storehouse 8 and sediment storehouse 9 with both sides through middle part baffle 14, and catalysis storehouse 8 is inside to be equipped with electrocatalytic oxidation device 10, carries out the electrocatalytic oxidation effect with the help of electrocatalytic oxidation device 10 to waste water in the catalysis storehouse 8, deposits the waste water after the catalysis in the storehouse 9 and deposits to finally discharge along discharging pipe 3.
One side and the inlet pipe 2 of catalysis storehouse 8 are linked together, and one side and the discharging pipe 3 of settling storehouse 9 are linked together, and inlet pipe 2 is located one side top of catalysis storehouse 8, and discharging pipe 3 is located and deposits 9 one side bottoms of storehouse, carries out the electrocatalytic oxidation to the pay-off in the catalysis storehouse 8 along inlet pipe 2, and the waste water after the completion gets into to deposit in the storehouse 9 and follows discharging pipe 3 after the sediment and discharge.
Electrocatalytic oxidation device 10 includes DC power supply 11, DC power supply 11 is located 1 lateral surface of box, DC power supply 11's positive electrode electric connection has positive plate 12, DC power supply 11's negative electrode electric connection has negative plate 13, positive plate 12 and negative plate 13 crisscross distribution in catalysis storehouse 8, let in positive electricity for positive plate 12 through DC power supply 11, DC power supply 11 lets in negative electricity for negative plate 13 to carry out the oxidation of electrocatalytic oxidation and accomplish the oxidation clearance to waste water in catalysis storehouse 8.
The even array in bottom of box 1 is equipped with multiunit landing leg 5, and landing leg 5 carries out the outrigger to box 1.
The even array of the interior bottom in catalysis storehouse 8 is equipped with multiunit ozone generator 33, be equipped with PH on-line detector 35 in the storehouse 9 that deposits, COD on-line detector 36 and ammonia nitrogen on-line detector 37, ozone generator 33 provides ozone gas for in the catalysis storehouse 8, thereby improve catalysis efficiency, PH on-line detector 35 detects the PH value in the storehouse 9 that deposits, COD on-line detector 36 detects the COD value in the storehouse 9 that deposits, ammonia nitrogen on-line detector 37 detects the ammonia nitrogen value in the storehouse 9 that deposits, thereby obtain required each item numerical value, and then improve and detect the precision, guarantee the clean effect to waste water.
8 tops in catalysis storehouse are equipped with dosing pump 39, dosing pump 39 is external to have sour bucket and alkali bucket, detect according to the data to settling in the storehouse 9 to add acid reagent or alkali reagent in to catalysis storehouse 8 through dosing pump 39, further adjust the waste water in the catalysis storehouse 8, guarantee its inside pH valve, improve the oxidation clearance effect to waste water.
Middle part baffle 14's bottom is equipped with automatically controlled commentaries on classics board 15, middle part baffle 14's bottom is equipped with the intercommunication mouth, automatically controlled commentaries on classics board 15 and intercommunication mouth phase-match, catalysis storehouse 8 communicates each other through the intercommunication mouth with depositing storehouse 9, the opening and closing of automatically controlled commentaries on classics board 15 control intercommunication mouth, thereby realize catalysis storehouse 8 and the intercommunication degree that deposits storehouse 9, and the intercommunication mouth sets up in middle part baffle 14 bottom, and then improve the electrocatalytic oxidation degree of waste water, the waste water that realizes accomplishing the electrocatalytic oxidation gets into along catalysis storehouse 8 and deposits storehouse 9 and carry out subsequent deposit and discharge process, the oxidation effect is improved.
The feeding pipe 2 and the discharging pipe 3 are internally provided with electromagnetic valves for controlling the on-off of the feeding pipe and the discharging pipe.
During the use, the solenoid valve in the controller control inlet pipe 2 is opened and is discharged into the waste water of treating the electrocatalytic oxidation to the catalysis storehouse 8 of box 1 inside along inlet pipe 2, direct current source 11 in the electrocatalytic oxidation device 10 starts to produce direct current simultaneously, then positive plate 12 in the catalysis storehouse 8 is electrified positively, negative plate 13 is electrified negatively, carry out catalytic oxidation to waste water through the electrocatalytic oxidation 10 device, ozone generator 33 starts to let in ozone as the catalyst in the catalysis storehouse 8 simultaneously, help the electrocatalytic oxidation device 10 to oxidize waste water, further improve oxidation efficiency, guarantee the oxidation effect.
Automatically controlled commentaries on classics board 15 starts to open the intercommunication mouth, and then the waste water in catalysis storehouse 8 circulates along the intercommunication mouth and deposits to depositing the storehouse 9 is inside, detects the liquid PH value in the storehouse 9 of depositing with the help of PH on-line detector 35 simultaneously, and COD on-line detector 36 detects the liquid COD value in the storehouse 9 of depositing, and ammonia nitrogen on-line detector 37 detects the liquid ammonia nitrogen value in the storehouse 9 of depositing.
The chemical adding pump 39 is controlled by the controller to start and pump acid liquor or alkali liquor in an external acid bucket or alkali bucket into the catalysis bin 8, so that the oxidation of wastewater in the catalysis bin 8 is adjusted, the detection precision is effectively improved, the oxidation effect is ensured, and after the liquid in the precipitation bin 9 is precipitated, the electromagnetic valve in the discharge pipe 3 is directly opened and the liquid in the precipitation bin 9 is discharged.
The device mainly is to effectively getting rid of pollutant such as the difficult degradation organic matter of microorganism and ammonia nitrogen that contain in the salt waste water, can effectively get rid of the organic matter that the height contains salt aquatic, ammonia nitrogen and some heavy metals, and is easy and simple to handle, the controllability is strong, degree of automation is high, green clean, the treatment effeciency has been improved, the treatment cost has been practiced thrift, can carry out real-time dynamic monitoring through corresponding instrument and meter, can be according to the operating parameter of water quality condition adjustment system at any time, thereby the treatment effeciency of assurance system.
Second embodiment
As shown in fig. 4-8, in practical use, because the waste water in the catalysis storehouse 8 can produce greasy dirt at its top when carrying out the oxidation, and catalysis storehouse 8 and sedimentation 9 bottoms can deposit a large amount of silt, if can not in time clear away this impurity, not only can reduce the oxidation effect to the waste water, still can cause the influence to subsequent oxidation process, when using the electrocatalytic oxidation device 10 to carry out oxidation treatment to waste water for a long time simultaneously, positive plate 12 and negative plate 13 tip of electrocatalytic oxidation device 10 can be because oxidation effect adheres to some impurity, this impurity if can not in time handle, not only can reduce the oxidation effect of electrocatalytic oxidation device 10, still can cause the pollution to subsequent waste water simultaneously, in order to solve above problem, improve the inside cleaning effect of device, this electrocatalytic oxidation control system still includes: one side of discharging pipe 3 has clean pipe 4 through automatically controlled three-way valve intercommunication, clean pipe 4 is to deposiing the inside clear water that lets in of storehouse 9, thereby realize the washing in storehouse 9 and the catalysis storehouse 8 of deposiing, 1 bottom of box is equipped with mud pipe 6, the inside silt that produces of 1 inside sediment of box of mud pipe 6 mainly used discharge, 1 one side of box is equipped with oil pumping pipe 7, oil pumping pipe 7 is used for discharging the showy greasy dirt in 8 tops in catalysis storehouse, thereby conveniently guarantee the cleanliness factor of 1 inside liquid of box.
The top in catalysis storehouse 8 is equipped with sliding tray 17, and the top of sliding tray 17 is equipped with T type spout, and the top of removing frame 18 is equipped with T type slider, and T type slider and T type spout sliding connection slide with the help of the cooperation of T type slider with T type spout, improve the sliding stability who removes frame 18, thereby avoid removing frame 18 along with electric telescopic handle 16's extension or shorten the emergence and rock.
One side of the middle baffle plate 14 close to the feeding pipe 2 is provided with an electric telescopic rod 16, the output end of the electric telescopic rod 16 is provided with a moving frame 18, the electric telescopic rod 16 drives the moving frame 18 to move in the catalysis bin 8, the inner bottom of the moving frame 18 is provided with a groove 19, the inner top of the groove 19 is provided with a cylinder 20, the bottom output end of the cylinder 20 is provided with an electromagnet 21, the cylinder 20 drives the electromagnet 21 to move up and down in the groove 19, the bottom of the electromagnet 21 is uniformly provided with a plurality of groups of hard brushes 22 in an array mode, the hard brushes 22 move synchronously along with the movement of the electromagnet 21 and correspondingly, the hard brushes 22 can clean oil stains on the surface of wastewater, and when the bottom of the hard brushes 22 reaches the inner bottom of the catalysis bin 8, the hard brushes 22 can clean sludge attached to the bottom of the catalysis bin 8, the cleaning effect of the catalysis bin 8 is integrally improved, and the cleanness and the high efficiency of the movement of the catalysis bin 8 are ensured, the inner wall of the catalysis bin 8 and one side of the middle baffle plate 14 close to the feeding pipe 2 are both provided with an oil storage tank 24, the oil storage tank 24 is used for temporarily storing oil stains on the surface of wastewater, one side of the oil storage tank 24 close to the electrocatalytic oxidation device 10 is provided with a wedge-shaped vertical plate 23, the wedge-shaped vertical plate 23 blocks the oil storage tank 24, the oil stains in the oil storage tank 24 are prevented from flowing back to the wastewater in the catalysis bin 8 again, the bottom of the oil storage tank 24 is communicated with the oil pumping pipe 7 through a communicating pipeline, therefore, the oil stains in the oil storage tank 24 can be discharged along the oil pumping pipe 7, the integral cleaning performance is ensured, the top of the wedge-shaped vertical plate 23 is provided with a wedge surface, the wedge surface is inclined upwards from the end of the electrocatalytic oxidation device 10 to the other end, the wedge surface is matched with a hard brush 22 to effectively clean the oil stains on the surface of the wastewater, the cleaning effect is improved, and the oil stains in the oil storage tank 24 are prevented from being mixed due to the change of the water level of the wastewater, an oil outlet is formed between the wedge-shaped vertical plate 23 and the inner top of the oil storage tank 24, and oil stains on the top of the waste water reach the oil outlet along the wedge-shaped surface on the top of the wedge-shaped vertical plate 23 along with the cleaning of the hard brush 22 and are recovered into the oil storage tank 24 and finally discharged along the oil pumping pipe 7.
A plurality of groups of driving motors 25 are uniformly arranged at the bottom of the catalysis bin 8 in an array mode, a rotating cylinder 26 is arranged at the output end of each driving motor 25, each driving motor 25 drives the corresponding rotating cylinder 26 to rotate, a vertical groove 27 is formed in the center of each rotating cylinder 26, a magnetic slider 30 is connected inside each vertical groove 27 in a sliding mode, the top magnetism of each magnetic slider 30 is the same as that of the bottom of each electromagnet 21, therefore, when the electromagnets 21 are started, the magnetic sliders 30 are driven to move downwards along the vertical grooves 27 through the magnetic repulsion force of the magnetic sliders 30, return springs 29 are arranged at the bottoms of the magnetic sliders 30, the other ends of the bottoms of the return springs 29 are fixedly connected with the inner bottoms of the vertical grooves 27, when the electromagnets 21 are separated from the tops of the magnetic sliders 30, the magnetic repulsion force of the electromagnets 21 on the magnetic sliders 30 is reduced, the magnetic sliders 30 are driven to move upwards in the vertical grooves 27 under the elastic force of the return springs 29 to be in a recovery mode, and under the matching action of the electromagnets 21 and the return springs 29, magnetic slide block 30 constantly reciprocates in erecting groove 27, then the shock wave that magnetic slide block 30 high frequency vibration from top to bottom can produce, and this shock wave constantly upwards transmits to electrocatalytic oxidation device 10 tip in the waste water of catalysis storehouse 8, and then can strike the clearance owing to oxidation adnexed impurity etc. to electrocatalytic oxidation device 10 tip, further avoid electrocatalytic oxidation device 10's oxidation pollution, improve the oxidation effect.
A plurality of groups of side holes 28 are uniformly arrayed on the peripheral side surface of the rotary cylinder 26, the side holes 28 are communicated with the vertical groove 27, a connecting rod 34 is connected in the side holes 28 in a sliding manner, one end of the connecting rod 34 is fixedly connected with the peripheral side surface of the magnetic slider 30, therefore, when the magnetic slider 30 moves up and down in the vertical groove 27 continuously, the magnetic slider 30 can drive the connecting rod 34 to move up and down in the side holes 28 continuously, a rotary rod 31 is arranged at the other end of the connecting rod 34, a plurality of groups of filter holes 32 are uniformly arrayed in the rotary rod 31, the rotary rod 31 can be driven to move up and down continuously when the connecting rod 34 moves up and down, sludge at the bottom of the catalytic cabin 8 can be filtered and blocked by the filter holes 32 when the rotary rod 31 moves down, so that the sludge is continuously gathered to the bottom of the catalytic cabin 8, thereby facilitating the subsequent sludge removal process, effectively avoiding the sludge in the catalytic cabin 8 from floating in the catalytic cabin 8 along with the rotation and stirring of the rotary rod 31, the subsequent recycling is inconvenient, and the oxidation effect of the electrocatalytic oxidation device 10 is further polluted.
A plurality of groups of sludge falling holes 38 are uniformly arranged at the bottom of the catalysis bin 8 and around the rotating cylinder 26 in an array manner, the other ends of the sludge falling holes 38 are communicated with the sludge discharge pipe 6, after oxidation is completed, the discharge pipe 3 is closed, the cleaning pipe 4 is opened at the moment, purified water is introduced into the precipitation bin 9 and the catalysis bin 8 along the cleaning pipe 4, meanwhile, the air cylinder 20 drives the electromagnet 21 to descend to a minimum value, the electromagnet 21 drives the hard brush 22 to descend to a minimum value, the bottom of the hard brush 22 is contacted with the bottom in the catalysis bin 8, meanwhile, as the electromagnet 21 moves downwards, the magnetic repulsion of the electromagnet 21 to the magnetic slide block 30 is increased, the magnetic slide block 30 extrudes the reset spring 29 to move downwards to a maximum value under the magnetic force of the electromagnet 21, the bottom of the rotating rod 31 is contacted with the bottom of the catalysis bin 8, when the driving motor 25 drives the rotating cylinder 26 to rotate, the rotating cylinder 26 drives the rotating rod 31 to continuously rotate and scrapes off sludge at the bottom in the catalysis bin 8 to rotate, meanwhile, the transverse sweeping action of the hard brush 22 is matched to ensure that the sludge is not broken down into the sludge falling hole 38 and is further discharged along the exhaust pipe 6, so that the cleanness of the catalysis bin 8 and the precipitation bin 9 is ensured, and the pollution to the subsequent electrocatalytic oxidation is avoided.
The height of dwang 31 is greater than the height of connecting rod 34, and the difference in height of dwang 31 and connecting rod 34 equals the difference in height of side opening 28 bottom and 8 inner chamber bottoms in catalysis storehouse, consequently when magnetic slider 30 moves down to the maximum value, dwang 31 bottom can contact with the bottom in the catalysis storehouse 8, can not cause the hindrance to the removal of connecting rod 34 in side opening 28 simultaneously, further improves the stability and the linkage of device.
The sludge discharge pipe 6 inclines downwards along the end of the feeding pipe 2 to the end of the discharging pipe 3, the inclined sludge discharge pipe 8 can improve the sludge discharge effect and simultaneously ensure the smoothness of sludge discharge to avoid blockage in the sludge discharge pipe 6, the width of the rotating rod 31 is greater than the diameter of the sludge falling hole 38, thus effectively ensuring the full coverage of the rotating rod 31 on the sludge falling hole 38 and further realizing the cleaning effect on the bottom in the catalytic bin 8, the length of the hard brush 22 is greater than the distance from the top of the oil storage tank 24 to the bottom of the catalytic bin 8, therefore, the hard brush 22 can extend to any length in the catalytic bin 8 to further achieve different effects, the hard brush 22 is mainly used as an oil scraping part in the oxidation process, after the oxidation is completed, the hard brush 22 is used as a desilting part on the bottom in the catalytic bin 8, and can clean the positive plate 12 and the negative plate 13 in the electrocatalytic oxidation device 10, further improve the cleanness in the device, all parts in the device are cleaned in an all-round and dead-angle-free mode.
The filtration pore 32 is the structure of falling the centrum, and the bottom radius of filtration pore 32 is greater than the top radius promptly, consequently when dwang 31 lapse, filtration pore 32 in the dwang 31 can make the waste water in the filtration pore 32 constantly receive the extrusion and produce the bubble with the help of its structure of falling the centrum when moving thereupon, thereby the bubble constantly rises to the clean blasting of electrocatalytic oxidation device 10 tip to its oxidation impurity, further improves the clean effect to electrocatalytic oxidation device 10 oxidation impurity.
An electric control switch is arranged in the mud falling hole 38, so as to control the opening and closing of the mud falling hole 38.
During the use, the solenoid valve in the controller control inlet pipe 2 is opened and is let in the waste water of treating the oxidation to catalysis storehouse 8, direct current power supply 11 in the electric catalytic oxidation device 10 starts simultaneously, positive electrode 12 and negative electrode 13 let in positive electricity respectively and negative electricity and then carry out the electric catalytic oxidation to the waste water in the catalysis storehouse 8, ozone generating device 33 start-up production ozone in catalysis storehouse 8 bottom simultaneously helps oxidizing waste water, driving motor 25 starts to drive and rotates rotary drum 26, rotary drum 26 rotates and drives dwang 31 through side opening 28 and connecting rod 34 and rotate, dwang 31 rotates and stirs the waste water in the catalysis storehouse 8, thereby greasy dirt in the waste water upwards gathers under buoyancy, silt etc. in the waste water constantly stir in catalysis storehouse 8 bottom, further improve the electric catalytic oxidation effect, guarantee oxidation efficiency.
At the same time, the controller controls the cylinder 20 in the moving frame 18 to start and drive the electromagnet 21 to move downwards for a certain distance, the hard brush 22 at the bottom of the electromagnet 21 is inserted into the wastewater, the electric telescopic rod 16 is started to drive the moving frame 18 to move along the sliding groove 17, the electromagnet 21 drives the hard brush 22 to move transversely in the wastewater when the moving frame 18 moves, the hard brush 22 carries the oil stains on the top surface of the wastewater to move to the oil storage groove 24 end by virtue of self-compact arrangement, when the hard brush 22 moves to the top of the wedge-shaped vertical plate 23, the hard brush 22 carries oil dirt through the wedge-shaped surface at the top of the wedge-shaped vertical plate 23 by virtue of the elastic deformation performance of the hard brush, the oil dirt falls into the oil storage tank 24 to be recovered, the oil dirt in the oil storage tank 24 is continuously discharged along the oil pumping pipe 7, after the oil dirt is discharged, the electric telescopic rod 16 drives the movable frame 18 to move reversely, and the above work is repeated so that the re-floated oil is recovered to the oil reservoir 24 on the opposite side.
When the electric telescopic rod 16 drives the moving frame 18 to move at the top in the catalysis bin 8, the electromagnet 21 continuously moves along with the movement of the moving frame 18, meanwhile, the rotating cylinder 26 continuously rotates under the driving action of the driving motor 25, when the electromagnet 21 moves right above the rotating cylinder 26, the magnetic repulsion force of the electromagnet 21 to the magnetic slider 30 is greater than the elastic force of the return spring 29, the magnetic slider 30 is driven to extrude the return spring 29 to move downwards along the vertical groove 27 under the action of the magnetic repulsion force of the electromagnet 21, the magnetic slider 30 drives the rotating rod 31 to move downwards by virtue of the connecting rod 34 when moving downwards, when the rotating rod 31 moves downwards, sludge in wastewater in the catalysis bin 8 can be downwards filtered by virtue of the filtering holes 32, the sludge is further driven to move downwards and is gathered to the bottom in the catalysis bin 8, the wastewater is recirculated to the inside the catalysis bin 8 along the filtering holes 32, and the wastewater can generate bubbles in the filtering holes 32 by virtue of the downward extrusion action of the inverted cone-shaped structure of the filtering holes 32 on the wastewater, when the bubbles continuously rise to the end of the electrocatalytic oxidation apparatus 10, impurities generated by oxidation of the electrocatalytic oxidation apparatus 10 can be cleaned, so that the cleaning effect is further improved, and the catalytic oxidation effect of the electrocatalytic oxidation apparatus 10 on wastewater is improved.
When the moving frame 18 moves forwards along with the movement of the electric telescopic rod 16, the electromagnet 21 moves away from the top of the magnetic slider 30, the magnetic slider 30 is driven to move upwards in the vertical groove 27 under the action of the elastic force of the return spring 29, the connecting rod 34 is driven to move upwards to return to the original position when the magnetic slider 30 moves upwards, and due to the inverted cone-shaped structure of the filter hole 32, the sludge at the top of the rotating rod 31 can be prevented from entering the filter hole 32, meanwhile, the residual sludge in the filter hole 32 is cleaned by the waste water through the reverse impact of the waste water on the filter hole 32, the cleaning effect of the filter hole 32 is further improved, and because the distance between the electromagnet 21 and the magnetic slider 30 is larger, the magnetic repulsion force is smaller, the magnetic repulsion force of the electromagnet 21 on the magnetic slider 30 in a partial range is larger than the elastic force of the return spring 29, the magnetic slider 30 extrudes the return spring 29 to move downwards, therefore, the magnetic slider 30 continuously moves up and down in the vertical groove 27 under the combined action of the electromagnet 21 and the reset spring 29, the magnetic slider 30 can cooperate with wastewater to generate shock waves in the catalytic cabin 8 when continuously moving up and down in the vertical groove 27, the shock waves continuously propagate upwards to the end part of the electrocatalytic oxidation device 10 in the wastewater, thereby further cleaning the electrocatalytic oxidation device 10 due to impurities generated by oxidation, the cleaning effect of the electrocatalytic oxidation device 10 is improved, the oxidation efficiency of the device is ensured, the coordination linkage of parts is strong, and the cleaning effect is good.
Along with the continuous catalytic oxidation to waste water in the catalysis storehouse 8, the intercommunication mouth is opened in the start of automatically controlled commentaries on classics board 15, and the waste water after the cleanness flows to deposiing storehouse 9 along the intercommunication mouth to deposit in deposiing storehouse 9 and accomplish the back, open discharging pipe 3 discharge liquid.
After the oxidation is finished, the electromagnetic valves in the feeding pipe 2 and the discharging pipe 3 are closed, the cleaning pipe 4 is opened and clean water is introduced into the cleaning pipe, the clean water flows back to the interior of the catalysis bin 8 along the precipitation bin 9, the precipitation bin 9 and the catalysis bin 8 are cleaned, meanwhile, the controller continuously controls the electric telescopic rod 16 to be started to drive the movable frame 18 to move in the sliding groove 17, the controller controls the air cylinder 20 to be started to drive the electromagnet 21 to move downwards to the maximum value, the electromagnet 21 drives the hard brush 22 to move downwards to the maximum value when moving downwards, at the moment, the bottom of the hard brush 22 is contacted with the bottom of the catalysis bin 8, the electric control switch in the sludge falling hole 38 is opened, when the movable frame 18 moves transversely, the bottom of the hard brush 22 cleans the interior of the catalysis bin 8, so that sludge at the bottom of the catalysis bin 8 falls into the sludge discharging pipe 6 along the sludge falling hole 38 and is discharged, and when the electromagnet 21 moves downwards, the distance between the electromagnet 21 and the magnetic slider 30 is decreased, so that the magnetic repulsion between the electromagnet 21 and the magnetic slider 30 is increased, when the moving frame 18 moves, the magnetic repulsion of the electromagnet 21 to the magnetic slider 30 causes the magnetic slider 30 to press the return spring 29 and move downwards to the maximum value, the bottom of the rotating rod 31 contacts with the bottom inside the catalytic bin 8, and when the electromagnet 21 moves transversely, the magnetic slider 30 presses the return spring 29 to be located at the bottommost part of the vertical slot 27 for a long time, so the rotating cylinder 26 is driven to rotate by the driving motor 25, the rotating cylinder 26 drives the rotating rod 31 to rotate so as to scrape and clean the sludge attached to the bottom of the catalytic bin 8, and the sludge falls into the exhaust pipe 6 along the sludge falling hole 38 and is exhausted by the hard brush 22 which moves transversely synchronously, particularly, at this time, the magnetic slider 30 is compared with the magnetic slider 30 in the catalytic oxidation process, when the moving frame 18 moves horizontally by the same distance, the magnetic slider 30 is located in the vertical groove 27 to press the return spring 29 to move downwards for a longer time, and the magnetic slider 30 is pressed by the magnetic repulsive force of the electromagnet 21 to press the return spring 29 for a longer time, so that the rotating rod 31 scrapes the sludge on the bottom in the catalysis chamber 8 for a longer time, and the cleaning effect is better.
Along with the continuous sideslip of electric telescopic handle 16 drive removal frame 18, electro-magnet 21 drives away from magnetic slide 30 top, drives magnetic slide 30 at this moment and moves upward along erecting groove 27 and resume the normal position under the elastic force effect of reset spring 29, then dwang 31 rotates and stirs the clear water in the catalysis storehouse 8, and then cooperates the clear water to clear away the mud of catalysis storehouse 8 inner wall, and remove frame 18 and repeat above-mentioned process when removing to subsequent rotary barrel 26 top, and then carry out thorough effectual cleanness to catalysis storehouse 8 inside.
The device is not only effectual to the electrocatalytic oxidation of waste water, simultaneously can also in time discharge the greasy dirt at waste water top, and the shock wave that magnetic sliding block 30 high-frequency oscillation produced in waste water is cleaned the impurity that the oxidation produced to electrocatalytic oxidation device 10 tip, further improve clean effect, it is especially, after accomplishing waste water oxidation, combine above-mentioned process, further thoroughly effectual cleaning the silt of catalysis storehouse 8 bottoms, the interior arrangement linkage is strong, clean effectual, clean inefficiency, can not cause multiple pollution etc..
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An electrocatalytic oxidation control system comprises a box body, wherein a controller is arranged on one side of the box body, and the electrocatalytic oxidation control system is characterized in that one side of the box body is communicated with a feeding pipe, the other side of the box body is provided with a discharging pipe, one side of the discharging pipe is communicated with a cleaning pipe through an electric control three-way valve, the bottom of the box body is provided with a sludge discharging pipe, and one side of the box body is provided with an oil pumping pipe;
the inside of the box body is divided into a catalysis bin and a precipitation bin through a middle baffle, an electrocatalytic oxidation device is arranged inside the catalysis bin, an electric telescopic rod is arranged on one side, close to a feeding pipe, of the middle baffle, a moving frame is arranged at the output end of the electric telescopic rod, a groove is formed in the inner bottom of the moving frame, a cylinder is arranged at the inner top of the groove, an electromagnet is arranged at the output end of the bottom of the cylinder, multiple groups of hard brushes are uniformly arranged at the bottom of the electromagnet in an array mode, oil storage tanks are arranged on the inner wall of the catalysis bin and one side, close to the feeding pipe, of the middle baffle, wedge-shaped vertical plates are arranged on one sides, close to the electrocatalytic oxidation device, of the oil storage tanks, and the bottoms of the oil storage tanks are communicated with an oil pumping pipe through communication pipelines;
the bottom uniform array of the catalysis bin is provided with a plurality of groups of driving motors, the top output end of each driving motor is provided with a rotating cylinder, the center of each rotating cylinder is provided with a vertical groove, the inside of each vertical groove is slidably connected with a magnetic slider, the top magnetism of each magnetic slider is the same as that of the bottom of an electromagnet, the bottom of each magnetic slider is provided with a reset spring, the other end of the bottom of each reset spring is fixedly connected with the inner bottom of each vertical groove, the peripheral side uniform array of each rotating cylinder is provided with a plurality of groups of side holes, the side holes are communicated with the vertical grooves, connecting rods are slidably connected in the side holes, one end of each connecting rod is fixedly connected with the peripheral side of each magnetic slider, the other end of each connecting rod is provided with a rotating rod, the inside uniform array of each rotating rod is provided with a plurality of groups of filter holes, and the bottom of the catalysis bin and the peripheral uniform array of each rotating cylinder are provided with a plurality of groups of mud falling holes, the other end of the mud falling hole is communicated with a mud discharging pipe.
2. The electrocatalytic oxidation control system as set forth in claim 1, wherein one side of said catalytic bin is connected to a feeding pipe, one side of said settling bin is connected to a discharging pipe, said feeding pipe is located at the top of one side of said catalytic bin, said discharging pipe is located at the bottom of one side of said settling bin, said feeding pipe and said discharging pipe are both provided with electromagnetic valves, said mud dropping hole is provided with an electrically controlled switch, the bottom of said box body is uniformly provided with a plurality of sets of legs, and said controller electrically controls each electrical element.
3. The electrocatalytic oxidation control system as set forth in claim 1, wherein the electrocatalytic oxidation device comprises a dc power supply, the dc power supply is located on the outer side of the box body, a positive electrode of the dc power supply is electrically connected with a positive plate, a negative electrode of the dc power supply is electrically connected with a negative plate, and the positive plate and the negative plate are distributed in the catalytic bin in a staggered manner.
4. The electrocatalytic oxidation control system as set forth in claim 1, wherein a dosing pump is provided on the top of the catalytic bin, and the dosing pump is externally connected with an acid bucket and an alkali bucket.
5. The electrocatalytic oxidation control system as set forth in claim 1, wherein the bottom of the middle baffle is provided with an electrically controlled rotating plate, a communication port is provided between the bottom of the middle baffle and the bottom of the catalytic bin, the electrically controlled rotating plate is matched with the communication port, and the catalytic bin and the settling bin are communicated with each other through the communication port.
6. The electrocatalytic oxidation control system as set forth in claim 1, wherein a sliding groove is formed at the top of the catalytic bin, a T-shaped sliding groove is formed at the top of the sliding groove, a T-shaped sliding block is arranged at the top of the movable frame, and the T-shaped sliding block is slidably connected with the T-shaped sliding groove.
7. The electrocatalytic oxidation control system as set forth in claim 1, wherein the top of the wedge-shaped riser is provided with a wedge-shaped surface, the wedge-shaped surface is inclined upward from one end of the electrocatalytic oxidation device to the other end, and an oil outlet is provided between the wedge-shaped riser and the inner top of the oil storage tank.
8. The electrocatalytic oxidation control system as set forth in claim 1, wherein a plurality of groups of ozone generators are uniformly arrayed at the bottom of the catalytic bin, and a PH on-line detector, a COD on-line detector and an ammonia nitrogen on-line detector are disposed in the settling bin.
9. The electrocatalytic oxidation control system as set forth in claim 1, wherein the height of the rotating rod is greater than that of the connecting rod, the height difference between the rotating rod and the connecting rod is equal to the height difference between the bottom of the side hole and the bottom of the inner cavity of the catalytic bin, and the filter hole is of an inverted cone structure, i.e. the radius of the bottom of the filter hole is greater than that of the top of the filter hole.
10. The electrocatalytic oxidation control system as set forth in claim 1, wherein the sludge discharge pipe is inclined downward from the end of the feed pipe to the end of the discharge pipe, the width of the rotating rod is greater than the diameter of the sludge dropping hole, and the length of the rigid brush is greater than the distance from the top of the oil storage tank to the bottom of the catalytic cabin.
CN202210664142.2A 2022-06-14 2022-06-14 Electrocatalytic oxidation control system Active CN114735864B (en)

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CN110451697A (en) * 2019-07-30 2019-11-15 江苏中圣高科技产业有限公司 Salt-containing organic wastewater electrocatalytic oxidation coupling pretreatment method and device
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