CN219752005U - Device for electrocatalytic treatment of wastewater - Google Patents
Device for electrocatalytic treatment of wastewater Download PDFInfo
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- CN219752005U CN219752005U CN202320620908.7U CN202320620908U CN219752005U CN 219752005 U CN219752005 U CN 219752005U CN 202320620908 U CN202320620908 U CN 202320620908U CN 219752005 U CN219752005 U CN 219752005U
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- 239000002351 wastewater Substances 0.000 title claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000002245 particle Substances 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims description 17
- 238000005273 aeration Methods 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 15
- 238000005276 aerator Methods 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- 238000004065 wastewater treatment Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000126 substance Substances 0.000 abstract description 10
- 239000002912 waste gas Substances 0.000 abstract description 7
- 238000006555 catalytic reaction Methods 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- -1 salt ions Chemical class 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- HJPBEXZMTWFZHY-UHFFFAOYSA-N [Ti].[Ru].[Ir] Chemical compound [Ti].[Ru].[Ir] HJPBEXZMTWFZHY-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010301 surface-oxidation reaction Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011246 composite particle Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Abstract
The utility model belongs to the field of chemical organic sewage treatment, and in particular relates to a device for electrocatalytic treatment of wastewater, which comprises a water inlet system, a reaction system and a water collecting tank; the reaction system comprises a reaction tank, a cathode plate, a anode plate, a particle electrode and a conductive plate, wherein the conductive plate is connected with the fixed bracket; the cathode and anode plates and the particle electrodes are arranged in the reaction tank, the conducting plate is arranged above the reaction tank and connected with the cathode and anode plates, and the conducting plate is connected with a direct current power supply; the water inlet system comprises a water inlet pipe which is connected with the reaction tank; the water collecting tank is connected with the outer wall of the reaction tank, the bottom of the water collecting tank is lower than the top of the outer wall of the reaction tank, and the bottom of the water collecting tank is provided with a water outlet; the cathode plate and the anode plate are arranged at intervals, the particle electrodes are filled between the cathode plate and the anode plate and the inner wall of the reaction tank, the device can improve the deep treatment effect of electro-catalysis on chemical wastewater, and meanwhile, the device has the functions of collecting waste gas, removing scaling and defoaming.
Description
Technical Field
The utility model belongs to the field of chemical organic sewage treatment, and particularly relates to a device for electrocatalytic treatment of wastewater.
Background
The chemical wastewater with small water content (less than or equal to 200 tons/day) is pretreated, materialized and biochemically treated, and the residual part is still COD and total nitrogen which are difficult to degrade. For such wastewater, the traditional advanced treatment such as Fenton method, denitrification filter, MBR membrane and the like are faced with the problems of secondary pollution, low automation degree, large occupied area and the like. Therefore, the method has great development prospect for chemical wastewater with smaller water quantity by developing an electrocatalytic technology and simultaneously removing COD and total nitrogen.
However, the electrocatalytic treatment of chemical wastewater still faces several problems at present:
(1) The mass transfer is low, and the electrode surface oxidation which plays the dominant role in oxidation can only occur on the surface of the electric plate, so that the contact area of active free radicals generated by the electrode surface oxidation and wastewater is relatively low, and the efficient removal of pollutants is not facilitated.
(2) Because part of heavy metal ions and salt ions still remain after pretreatment and biochemical treatment, the polar plate material is easy to scale, the pollutant removal effect can be reduced, and the service life of the polar plate can be prolonged.
(3) Improper treatment of the exhaust gas generated during the reaction process can cause damage.
Disclosure of Invention
Aiming at the existing problems, the utility model provides a device for treating wastewater by electrocatalytic treatment, which can improve the advanced treatment effect of electrocatalytic treatment on chemical wastewater and has the functions of collecting waste gas, removing scale and defoaming.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an electrocatalytic wastewater treatment device comprises a water inlet system, a reaction system and a water collecting tank; the reaction system comprises a reaction tank, a cathode plate, an anode plate, a particle electrode and a conductive plate, wherein the cathode plate comprises a cathode plate and an anode plate, the conductive plate comprises a first conductive plate and a second conductive plate, and the conductive plate is connected with a fixed bracket; the cathode and anode plates and the particle electrodes are arranged in the reaction tank, the conductive plate is arranged above the reaction tank, the first conductive plate is connected with the cathode plate, the second conductive plate is connected with the anode plate, the first conductive plate is connected with the cathode of the direct current power supply, and the second conductive plate is connected with the anode of the direct current power supply; the water inlet system comprises a water inlet pipe which is connected with the reaction tank; the water collecting tank is connected with the outer wall of the reaction tank, the bottom of the water collecting tank is lower than the top of the outer wall of the reaction tank, and the bottom of the water collecting tank is provided with a water outlet; the cathode plate and the anode plate are arranged at intervals, and the particle electrodes are filled between the cathode plate and the anode plate and between the cathode plate and the inner wall of the reaction tank.
Preferably, the water inlet system further comprises a water distributor and a supporting plate, wherein the supporting plate is arranged in the reaction tank above the water inlet pipe, and the water distributor is arranged on the supporting plate. Further preferably, both the cathode and anode plates and the particle electrode are disposed above the support plate. The water distributor is used for relieving the bias current.
Further preferably, the device also comprises an aeration system, wherein the aeration system comprises an aerator, an aeration pipe and an air distribution pipe; the aerator is connected with a gas distribution pipe through an aeration pipe penetrating through the outer wall of the reaction tank, and the gas distribution pipe is arranged below the supporting plate.
Preferably, the device further comprises a cleaning system, wherein the cleaning system comprises a spray head, a storage tank and a reflux pump, and the cleaning system is arranged outside the reaction tank. Further preferably, the spray head is above the reaction tank, the storage tank is respectively connected with the spray head and the water inlet pipe through pipelines, and pumps are arranged on the pipelines.
Preferably, the upper part and the lower part of the reaction tank are connected by a pipe on the outside of the reaction tank, and a reflux pump is provided on the pipe.
Preferably, a gas collecting hood is arranged above the reaction tank, and the gas collecting hood is connected with the waste gas treatment system.
Preferably, a discharge port is arranged on the outer wall of the reaction tank.
Preferably, the top of the outer wall of the reaction tank is serrated, and the bottom of the water collecting tank is lower than the lowest point of the serrated.
Preferably, the cathode plate is made of pure titanium, the anode plate is made of ruthenium iridium titanium, the conductive plate is made of copper plate, the particle electrode is made of alumina micropore balls with high impedance, and the mass transfer and the contact area between the wastewater and the surface of the electrode plate can be greatly improved; the alumina microporous sphere is loaded with the bimetallic element, the electronic structure is properly modified due to electronic interaction and geometric effect among the elements, and the efficiency of the catalytic reaction is improved through synergistic effect, so that the removal effect of COD and total nitrogen is improved.
Compared with the prior art, the utility model has the following advantages:
(1) The cathode and anode plates are matched with the particle electrodes, so that the efficiency of the catalytic reaction is improved through the synergistic effect, and the removal effect of COD and total nitrogen is improved;
(2) The water distributor solves the problems of bias flow of wastewater and uniform distribution of particle electrodes, and the flow velocity of the wastewater is relatively too fast due to the short reaction time in the electrocatalytic oxidation process, if the particle electrodes are unevenly distributed, the bias flow phenomenon is easy to occur, and the phenomenon can be greatly relieved by using the water distributor
(3) Through the aeration system and the cleaning system, electrode scaling is effectively removed, the removal effect is improved, the service life of the polar plate is prolonged, and defoaming effects are achieved, because some heavy metal ions and salt ions exist in chemical wastewater, the heavy metal ions and the salt ions can be deposited on the surface of the electrode through electrochemical reaction, heat and waste gas can not be released after a long time, and unsafe hidden danger occurs; the storage tank stores clear water in normal times, defoaming is carried out through the spray head, a descaling agent is added into the storage tank at intervals, the storage tank is flushed through the lower water inlet pipe, the aeration system is used for mixing air and water and spraying the upper part, scaling substances are removed in a combined mode, and the descaling effect is maximized through the reflux pump.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a mechanism of a cathode and anode plate and a conductive plate;
FIG. 3 is a schematic structural view of a support plate and a water distributor;
FIG. 4 is a schematic view of the structure of the air distribution pipe;
wherein 1 is a water inlet pipe, 2 is a water distributor, 3 is a reaction tank, 4 is a particle electrode, 5 is a cathode plate, 5-1 is a cathode plate, 5-2 is an anode plate, 6 is a conductive plate, 6-1 is a first conductive plate, 6-2 is a second conductive plate, 7 is a water collecting tank, 8 is a gas collecting hood, 9 is an aerator, 10 is a gas distribution pipe, 11 is a reflux pump, 12 is a storage tank, 13 is a spray head, 14 is a discharge port, and 15 is a support plate.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the accompanying drawings. The technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments.
As shown in fig. 1-4, an electrocatalytic treatment device for wastewater comprises a water inlet system, a reaction system and a water collecting tank 7; the reaction system comprises a reaction tank 3, a cathode plate 5, a particle electrode 4 and a conductive plate 6, wherein the cathode plate 5 comprises a cathode plate 5-1 and an anode plate 5-2, the conductive plate 6 comprises a first conductive plate 6-1 and a second conductive plate 6-2, the conductive plate 6 is connected with a fixed bracket, and the conductive plate 6 plays a role in conducting electricity and also plays a role in fixing the cathode plate 5; the cathode plate 5 and the particle electrode 4 are arranged in the reaction tank 3, the conductive plate 6 is arranged above the reaction tank 3 (a gap between the conductive plate 6 and the reaction tank 3 is not contacted), the first conductive plate 6-1 is connected with the cathode plate 5-1, the second conductive plate 6-2 is connected with the anode plate 5-2, the first conductive plate 6-1 is electrically connected with the cathode of the direct current power supply, and the second conductive plate 6-2 is electrically connected with the anode of the direct current power supply; the water inlet system comprises a water inlet pipe 1, the water inlet pipe 1 is connected with a reaction tank 3, and wastewater or cleaning liquid and the like are introduced into the reaction tank 3 through the water inlet pipe 1; the water collecting tank 7 is connected with the outer wall of the reaction tank 3, the bottom of the water collecting tank 7 is lower than the top of the outer wall of the reaction tank 3, and the bottom of the water collecting tank 7 is provided with a water outlet; the cathode plate 5-1 and the anode plate 5-2 are arranged at intervals (as shown in fig. 1 and 2, in order to show the difference between the cathode plate 5-1 and the anode plate 5-2 in fig. 1, the plate with solid line drawing represents the anode plate 5-2, the plate with virtual line drawing represents the cathode plate 5-1), and the particle electrode 4 is filled between the cathode plate 5-1 and the anode plate 5-2 and between the cathode plate 5 and the inner wall of the reaction tank 3; the outer wall of the reaction tank 3 is provided with a discharge outlet 14, and the discharge outlet 14 is arranged below the reaction tank 3, so that the discharge and replacement of the particle electrode 4 are facilitated; the water inlet system further comprises a water distributor 2 and a supporting plate 15, the supporting plate 15 is arranged in the reaction tank 3 above the water inlet pipe 1, the supporting plate 15 can be clamped or adhered, connected by bolts and the like and is arranged in the reaction tank 3, the water distributor 2 is arranged on the supporting plate 15, the cathode and anode plates 5 and the particle electrodes 4 are all arranged above the supporting plate 15, and the water distributor 2 is used for relieving the drift phenomenon.
In another embodiment, the top of the outer wall of the reaction tank 3 is serrated, the bottom of the water collection tank 7 is lower than the lowest point of the serrated, and the treated water overflows from the lowest point of the serrated into the water collection tank 7.
The device also comprises a cleaning system, an aeration system and a reflux pump 11, wherein the cleaning system comprises a spray head 13, a storage tank 12 and the reflux pump 11, the spray head 13 is arranged above the reaction tank 3 (above the position between the first conductive plate 6-1 and the second conductive plate 6-2), the storage tank 12 is respectively connected with the spray head 13 and the water inlet pipe 1 through pipelines, and the pipelines are provided with pumps; the upper part and the lower part of the reaction tank 3 are communicated with each other through a pipeline outside the reaction tank 3, and a reflux pump 11 is arranged on the pipeline; the aeration system comprises an aerator 9, an aeration pipe and a gas distribution pipe 10; the aerator 9 passes through the outer wall of the reaction tank 3 through an aeration pipe and is connected with a gas distribution pipe 10, and the aeration pipe is arranged below the supporting plate 15; a gas-collecting hood 8 is arranged right above the reaction tank 3, the gas-collecting hood 8 is arranged on the fixing frame, the gas-collecting hood 8 is arranged above the spray nozzle 13, and the gas-collecting hood 8 is connected with the waste gas treatment system.
In another embodiment, in order to facilitate drainage or other emergency, an outlet is arranged at the bottom of the reaction tank 3, a valve is arranged on the outlet, and the water can be drained by opening the valve.
The gas distribution pipe 10 can be selected from the prior art, the gas distribution pipe 10 is connected with the inner wall of the reaction tank 3, the gas distribution pipe 10 is provided with a plurality of vent holes on a pipeline, and the gas distribution pipe 10 is provided with an annular spray pipe or a square spray pipe, as shown in fig. 4.
The direct current power supply is a pulse direct current power supply.
The cathode plate 5-1 adopts pure titanium, the anode plate 5-2 adopts ruthenium iridium titanium, the conducting plate 6 adopts copper plates, the particle electrode 4 is an alumina micropore sphere with high impedance, and the contact area between mass transfer and wastewater and the surface of the polar plate can be greatly improved; the alumina microporous sphere is loaded with the bimetallic element, the electronic structure is properly modified due to electronic interaction and geometric effect among the elements, and the efficiency of the catalytic reaction is improved through synergistic effect, so that the removal effect of COD and total nitrogen is improved.
In the embodiment of the utility model, the effluent after biochemical treatment of the chemical organic wastewater is taken as a treatment object, the water quantity is generally less than or equal to 200 tons/day, the wastewater enters the water distributor 2 through the water inlet pipe 1 and uniformly enters the reaction tank 3, and the drift phenomenon can be slowed down by using the water distributor 2, so that the reaction is more thorough; the wastewater flows out from the reaction tank 3 from bottom to top, reacts on the surfaces of the cathode and anode plates 5 and the particle electrodes 4, overflows into the water collecting tank 7 through the zigzag position at the top of the reaction tank 3, finally flows out through the water outlet of the water collecting tank 7, and after being detected, the effluent meets the discharge requirement, can be directly discharged and does not meet the discharge requirement, and enters the next wastewater treatment system; providing direct current for a reaction system by a pulse direct current power supply, under the action of the current, capturing electrons by the anode plate 5-2 to enable the surface of the anode plate to generate two oxidation reactions, and directly oxidizing wastewater or indirectly generating active free radicals such as hydroxyl free radicals so as to oxidize the wastewater; the cathode plate 5-1 releases electrons to enable the surface of the cathode plate to generate a reduction reaction, partial nitrate nitrogen in the wastewater is reduced into nitrogen, the particle electrode 4 is charged through electrostatic induction, the corresponding redox reaction is generated on two sides of the composite particles, and each charged particle forms a micro-electrolysis cell, so that the area of electrochemical reaction is greatly improved, and the removal efficiency of pollutants in the wastewater is improved; in addition, the particle electrode 4 can show non-Faraday effect, namely, the current efficiency is more than 100%, so that the energy consumption is effectively reduced; in the reaction process, waste gases such as oxygen, hydrogen and the like generated by side reaction can be collected by a gas collecting hood 8 to be treated uniformly by a waste gas treatment system; the surface of the reaction tank 3 is foamed due to impurities contained in the wastewater, so that clean water can be stored in the storage tank 12 and flows into the spray head 13 through a pipeline, and the clean water is sprayed through the spray head 13 to eliminate foam; after long-time use, scaling can occur on the surface of the electrode, the phenomenon of poor pollutant removal efficiency occurs, at the moment, the water inlet is closed, the descaling agent stored in the storage tank 12 flows into the spray head 13 through the pipeline, the water inlet pipe 1 and the water distributor 2 clean the whole reaction system, meanwhile, the aeration system is started, and air generated by the aerator 9 enters the gas distribution pipe 10 through the aeration pipe and enters the reaction tank 3 to wash the reaction system; the reflux pump 11 is opened to enable the whole cleaning system to be more thorough, the scale is removed by using gas-water flushing combination and medicament reaction, and the wastewater generated in the process is treated in a centralized and unified way; after long-term use, the particle electrode 4 to be replaced is discharged through the discharge port 14, and a new particle electrode 4 is added through the top of the reaction tank 3.
The electrocatalytic wastewater treatment device provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. An electrocatalytic wastewater treatment device is characterized by comprising a water inlet system, a reaction system and a water collecting tank (7); the reaction system comprises a reaction tank (3), a cathode plate (5), a particle electrode (4) and a conductive plate (6), wherein the cathode plate (5) comprises a cathode plate (5-1) and an anode plate (5-2), the conductive plate (6) comprises a first conductive plate (6-1) and a second conductive plate (6-2), and the conductive plate (6) is connected with a fixed bracket; the cathode plate (5) and the particle electrode (4) are arranged in the reaction tank (3), the conductive plate (6) is arranged above the reaction tank (3), the first conductive plate (6-1) is connected with the cathode plate (5-1), the second conductive plate (6-2) is connected with the anode plate (5-2), the first conductive plate (6-1) is electrically connected with the negative electrode of the direct current power supply, and the second conductive plate (6-2) is electrically connected with the positive electrode of the direct current power supply; the water inlet system comprises a water inlet pipe (1), and the water inlet pipe (1) is connected with a reaction tank (3); the water collecting tank (7) is connected with the outer wall of the reaction tank (3), the bottom of the water collecting tank (7) is lower than the top of the outer wall of the reaction tank (3), and the bottom of the water collecting tank (7) is provided with a water outlet; the cathode plate (5-1) and the anode plate (5-2) are arranged at intervals, and the particle electrode (4) is filled between the cathode plate (5-1) and the anode plate (5-2) and between the cathode plate (5) and the inner wall of the reaction tank (3).
2. The device for electrocatalytic treatment of wastewater according to claim 1, wherein the water inlet system further comprises a water distributor (2) and a supporting plate (15), the supporting plate (15) is arranged in the reaction tank (3) above the water inlet pipe (1), and the water distributor (2) is arranged on the supporting plate (15).
3. An apparatus for electrocatalytic treatment of wastewater as claimed in claim 2, wherein the cathode and anode plates (5) and the particle electrodes (4) are both arranged above a support plate (15).
4. An apparatus for electrocatalytic treatment of wastewater as claimed in claim 2 or 3, further comprising an aeration system comprising an aerator (9), an aerator pipe and a gas distribution pipe (10); the aerator (9) passes through the outer wall of the reaction tank (3) through an aeration pipe and is connected with a gas distribution pipe (10), and the gas distribution pipe (10) is arranged below the supporting plate (15).
5. An apparatus for electrocatalytic treatment of wastewater as claimed in claim 1, further comprising a washing system comprising a spray head (13), a tank (12) and a return pump (11), said washing system being arranged outside the reaction tank (3).
6. The device for electrocatalytic treatment of wastewater according to claim 5, wherein the spray head (13) is above the reaction tank (3), and the storage tank (12) is connected to the spray head (13) and the water inlet pipe (1) respectively through pipes, and pumps are arranged on the pipes.
7. The device for electrocatalytic treatment of wastewater according to claim 1, wherein the upper part and the lower part of the reaction tank (3) are connected by a pipe outside the reaction tank (3), and a reflux pump (11) is arranged on the pipe.
8. The device for electrocatalytic treatment of wastewater according to claim 1, wherein a gas collecting hood (8) is arranged above the reaction tank (3), and the gas collecting hood (8) is connected with an exhaust gas treatment system.
9. An apparatus for electrocatalytic treatment of wastewater as claimed in claim 1, wherein the outer wall of the reaction tank (3) is provided with a discharge opening (14).
10. An apparatus for electrocatalytic treatment of wastewater as claimed in claim 1, wherein the top of the outer wall of the reaction tank (3) is serrated, and the bottom of the water collection tank (7) is lower than the lowest point of the serrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320620908.7U CN219752005U (en) | 2023-03-23 | 2023-03-23 | Device for electrocatalytic treatment of wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320620908.7U CN219752005U (en) | 2023-03-23 | 2023-03-23 | Device for electrocatalytic treatment of wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219752005U true CN219752005U (en) | 2023-09-26 |
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ID=88077903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320620908.7U Active CN219752005U (en) | 2023-03-23 | 2023-03-23 | Device for electrocatalytic treatment of wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219752005U (en) |
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2023
- 2023-03-23 CN CN202320620908.7U patent/CN219752005U/en active Active
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