CN219058598U - Treatment system for air floatation and ozone catalytic oxidation - Google Patents
Treatment system for air floatation and ozone catalytic oxidation Download PDFInfo
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- CN219058598U CN219058598U CN202222306540.5U CN202222306540U CN219058598U CN 219058598 U CN219058598 U CN 219058598U CN 202222306540 U CN202222306540 U CN 202222306540U CN 219058598 U CN219058598 U CN 219058598U
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Abstract
The utility model discloses a treatment system for air floatation and ozone catalytic oxidation, which comprises an ozone reaction device, wherein the ozone reaction device comprises a reaction tank, a containing cavity is arranged in the reaction tank, and a wastewater inlet and a wastewater discharge channel which are communicated with the containing cavity are arranged on the reaction tank; a plurality of packing layers are arranged in the accommodating cavity and are sequentially arranged side by side along the direction from the bottom to the top of the accommodating cavity; the conveying pipe is vertically arranged in the accommodating cavity, the first end of the conveying pipe extends along the top of the accommodating cavity and penetrates through each packing layer, and the second end of the conveying pipe is communicated with the discharge channel. The front end of the ozone catalytic oxidation adopts sealed cyclone air floatation to replace the traditional coagulation process, thereby effectively reducing the dosage of medicament and the amount of generated sludge, enhancing the removal rate of COD, colloid and suspended matters in the coagulation stage and reducing the ozone adding amount in the subsequent ozone catalytic oxidation process. The structure of the ozone catalytic reaction tower is improved, and the problems of difficult ozone adding, easy scaling of the catalyst, low ozone utilization rate, low COD removal rate and the like are solved.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a treatment system for air floatation and ozone catalytic oxidation.
Background
The ozone catalytic oxidation method has strong oxidizing capacity, no secondary pollution and good treatment effect on high-concentration organic wastewater and complex industrial wastewater. However, the existing process of coagulation and ozone catalytic oxidation has the following defects of high energy consumption, low ozone utilization rate, easy scaling of the catalyst, short service life of the catalyst and the like, and the dosage of the medicament in the coagulation section is large, the occupied area is large, the energy consumption is high and the precipitation effect is poor.
Disclosure of Invention
In order to overcome the defects of the prior art, the embodiment of the utility model provides a treatment system for air floatation and ozone catalytic oxidation, which can effectively reduce the dosage of medicament and the generated sludge, enhance the removal rate of colloid and suspended matters, reduce the ozone adding amount in the subsequent ozone catalytic oxidation process, improve the structure of the existing ozone catalytic reaction tower, optimize the process flow, and solve the problems of difficult ozone adding, easy scaling of catalyst, low ozone utilization rate and the like.
The technical scheme adopted for solving the technical problems is as follows:
a treatment system for air flotation and ozone catalytic oxidation, the treatment system comprising:
the ozone reaction device comprises a reaction tank, wherein a containing cavity is formed in the reaction tank, and a wastewater inlet and a discharge channel which are communicated with the containing cavity are formed in the reaction tank;
a plurality of packing layers are arranged in the accommodating cavity, and the packing layers are sequentially arranged side by side along the direction from the bottom to the top of the accommodating cavity;
the conveying pipe is vertically arranged in the accommodating cavity, the first end of the conveying pipe extends along the top of the accommodating cavity and penetrates through each packing layer, and the second end of the conveying pipe is communicated with the discharging channel.
As a preferable technical scheme of the utility model, the treatment system further comprises an ozone adding device, wherein the ozone adding device comprises an ozone injection valve, a first release valve and an ozone dissolution air pump, the ozone injection valve is communicated with an air supply port of the ozone dissolution air pump, a first end of the first release valve is communicated with the ozone dissolution air pump, and a second end of the first release valve is communicated with a wastewater inlet.
As a preferable technical scheme of the utility model, the treatment system further comprises an ozone tail gas destruction device, wherein the ozone tail gas destruction device comprises a tail gas discharge valve, a tail gas destructor and an air exhaust device, a first end of the tail gas discharge valve is communicated with a containing cavity of the reaction tank, a second end of the tail gas discharge valve is communicated with the tail gas destructor, and the tail gas destructor is communicated with the air exhaust device.
As a preferable technical scheme of the utility model, the ozone tail gas destruction device further comprises a drain valve and a drain bend, wherein the drain valve and the drain bend are arranged between the tail gas destructor and the tail gas discharge valve;
the first end of the drain valve is communicated with the second end of the tail gas discharge valve, the second end of the drain valve is communicated with the drain elbow, and the drain elbow is communicated with the air exhaust device.
As a preferable technical scheme of the utility model, a defoaming filler layer is also arranged in the accommodating cavity, and the defoaming filler layer is arranged on one side of the accommodating cavity, which is close to the top; the outer peripheral side of the defoaming filler layer is tightly connected with the cavity wall of the accommodating cavity.
As a preferable technical scheme of the utility model, the treatment system further comprises a sealed cyclone air floatation device, wherein the sealed cyclone air floatation device comprises an air floatation tank, a tangential inlet, a pressure transmitter and a liquid level transmitter, the tangential inlet is communicated with the air floatation tank, the pressure transmitter monitors the pressure in the reaction tank, and the liquid level transmitter monitors the liquid level in the air floatation tank.
As a preferable technical scheme of the utility model, the sealed cyclone air floatation device further comprises a dosing device, a pipeline mixer and a gas-liquid mixer, wherein the first end of the pipeline mixer is communicated with the dosing device and the sewage filling pipe, the second end of the pipeline mixer is communicated with the gas-liquid mixer, and the gas-liquid mixer is also communicated with the tangential inlet.
As a preferable technical scheme of the utility model, the treatment system further comprises a gas dissolving device, wherein the gas dissolving device comprises a gas dissolving tank, a second release valve and a gas dissolving pump, the gas dissolving tank is communicated with a first end of the second release valve, and a second end of the second release valve is communicated with a gas-liquid mixer; the first end of the dissolved air pump is communicated with the dissolved air tank, and the second end of the dissolved air pump is communicated with a reflux port in the reaction tank.
As a preferable technical scheme of the utility model, the air dissolving device further comprises an air compressor and an exhaust valve, wherein the exhaust valve is arranged in the air dissolving tank and is communicated with the air dissolving tank.
As a preferable technical scheme of the utility model, the discharge channels are communicated with the drainage ditch, the clean water tank and the regulating tank;
the drainage device comprises a drainage channel, a drainage valve and a clean water tank, wherein the drainage valve is arranged between the drainage channel and the clean water tank, a first end of the drainage valve is communicated with a drainage part, and a second end of the drainage valve is communicated with the clean water tank.
Compared with the prior art, the utility model has the beneficial effects that:
the front end of the ozone catalytic oxidation adopts sealed cyclone air floatation to replace the traditional coagulation process, thereby effectively reducing the dosage of medicament and the amount of generated sludge, enhancing the removal rate of COD, colloid and suspended matters in the coagulation stage and reducing the ozone adding amount in the subsequent ozone catalytic oxidation process. Meanwhile, the structure of the existing ozone catalytic reaction tower is improved, and the problems of difficult ozone addition, easy scaling of the catalyst, low ozone utilization rate, low COD removal rate and the like are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an overall configuration diagram of the present embodiment.
Fig. 2 is a block diagram of an ozone reaction device, an ozone adding device, and an ozone tail gas destruction device according to the present embodiment.
Fig. 3 is a structural diagram of the sealed cyclone air floating and dissolved air device of the present embodiment.
Reference numerals in the figures
1. An ozone reaction device; 11. a reaction tank; 12. a receiving chamber; 13. a waste water inlet; 14. a discharge passage; 15. a filler layer; 16. a delivery tube; 17. a defoaming filler layer;
2. an ozone adding device; 21. an ozone injection valve; 22. a first release valve;
3. an ozone tail gas destruction device; 31. an exhaust gas discharge valve; 32. a tail gas disrupter; 33. an air extracting device; 34. a drain valve; 35. a hydrophobic bend; 36. an air extracting device;
4. sealing and cyclone air floatation; 41. an air floatation tank; 42. a tangential inlet; 43. a pressure transmitter; 44. a liquid level transmitter; 45. a dosing device; 46. a pipe mixer; 47. a gas-liquid mixer;
5. a gas dissolving device; 51. a dissolved air tank; 52. a second release valve; 53. a dissolved air pump; 54. a return port; 55. an air compressor; 56. an exhaust valve;
6. a drainage ditch; 61. a clean water tank; 62. an adjusting tank; 63. and (3) a drainage valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
The scheme provides a treatment system for air floatation and ozone catalytic oxidation, wherein the front end of the ozone catalytic oxidation adopts sealed cyclone air floatation to replace the traditional coagulation process, so that the dosage of medicament and the amount of generated sludge are effectively reduced, the removal rate of COD, colloid and suspended matters in the coagulation stage is enhanced, and the ozone addition amount in the subsequent ozone catalytic oxidation process is reduced. Meanwhile, the structure of the existing ozone catalytic reaction tower is improved, and the problems of difficult ozone addition, easy scaling of the catalyst, low ozone utilization rate, low COD removal rate and the like are solved.
The specific configuration of the processing system, according to the embodiment shown in fig. 1-3, comprises:
the ozone reaction device 1 of the embodiment comprises a reaction tank 11, wherein a containing cavity 12 is arranged in the reaction tank 11, a certain amount of sewage can be temporarily stored in the containing cavity 12, the sewage dissolved with ozone can be poured into the containing cavity 12 to be fully contacted with an ozone catalyst, and the advanced catalytic oxidation treatment of ozone is completed, so that organic pollutants in the sewage are removed.
The reaction tank 11 is provided with a wastewater inlet 13 and a discharge channel 14 which are communicated with the accommodating cavity 12, sewage which is fully mixed with ozone under the stirring action is poured into the accommodating cavity 12 through the wastewater inlet 13, and the treated sewage is discharged through the discharge channel 14 after the catalysis and other processes are finished.
A plurality of filler layers 15 are arranged in the accommodating cavity 12, the filler layers 15 are sequentially arranged side by side along the direction from the bottom to the top of the accommodating cavity 12, when sewage is filled into the accommodating cavity 12 through the waste water inlet 13, and when the filling amount of the sewage filled into the accommodating cavity 12 is more and more, the sewage is made to surge from the bottom of the accommodating cavity 12 to the top of the accommodating cavity 12, and in the process, the sewage dissolved with ozone passes through the filler layers 15 at the bottom layer to the filler layers 15 at the top layer to remove organic pollutants in the sewage.
The conveying pipe 16 of this embodiment is vertically disposed in the accommodating cavity 12, the first end of the conveying pipe 16 extends along the top of the accommodating cavity 12 and penetrates through each packing layer 15, when sewage is processed by each packing layer 15 and is gushed to a length higher than the conveying pipe 16, the sewage is discharged from the conveying pipe 16, and the second end of the conveying pipe 16 is communicated with the discharge channel 14, so that the sewage is discharged out of the accommodating cavity 12 through the discharge channel 14.
In addition, each filler layer 15 adopts a mixed catalytic material which is specifically proportioned for specific sewage to increase the removal rate of organic pollutants in the sewage and the pollution resistance of the catalytic material.
The treatment system further comprises an ozone adding device 2, the ozone adding device 2 comprises an ozone injection valve 21, a first release valve 22 and an ozone dissolution air pump 53, the ozone injection valve 21 is communicated with an air supply port of the ozone dissolution air pump 53, a first end of the first release valve 22 is communicated with an air outlet of the ozone dissolution air pump 53, and a second end of the first release valve 22 is communicated with the wastewater inlet 13. Before the sewage is conveyed into the reaction tank 11, ozone is mixed, so that the sewage is firstly conveyed into the ozone dissolving air pump 53, then the ozone injection valve 21 is opened, so that the sewage and ozone gas are fully mixed under the shearing and stirring actions of the ozone dissolving air pump 53, the ozone gas is continuously dissolved into the sewage, a large number of ozone micro-bubbles are generated in the sewage containing the ozone gas, the ozone micro-bubbles are mixed with a catalyst in the ozone catalytic oxidation for reaction, a large number of hydroxyl free radicals with strong oxidability are formed, and organic matters in the sewage are fully oxidized. The sewage from which the organic contaminants are removed is transferred into the accommodating chamber 12 of the reaction tank 11.
In order to prevent the environmental pollution of the residual ozone in the exhaust gas after the ozone catalytic oxidation reaction, the exhaust gas needs to be treated. The treatment system further comprises an ozone tail gas destroying device 3, the ozone tail gas destroying device 3 comprises a tail gas discharging valve 31, a tail gas destroying device 32 and an air extracting device 36, a first end of the tail gas discharging valve 31 is communicated with the accommodating cavity 12, the tail gas discharging valve 31 is opened to discharge ozone gas in the accommodating cavity 12 from the accommodating cavity 12, a second end of the tail gas discharging valve 31 is communicated with the tail gas destroying device 32, the tail gas is discharged into the tail gas destroying device 32 after catalytic oxidation reaction of ozone through the tail gas discharging valve 31, and residual ozone gas discharged into the tail gas destroying device 32 is rapidly decomposed under the double actions of catalyst and heating. The tail gas destructor 32 is communicated with the exhaust device, and finally the decomposed tail gas is directly discharged by the exhaust device, so that the environment is prevented from being polluted.
In addition, the ozone tail gas destruction device 3 further comprises a drain valve 34 and a drain bend 35, wherein the drain valve 34 and the drain bend 35 are arranged between the tail gas destructor 32 and the tail gas discharge valve 31. The first end of the drain valve 34 is communicated with the second end of the exhaust gas discharge valve 31, and the drain valve 34 can remove the generated condensed water to prevent the ozone decomposition catalyst from being disabled due to the moisture contained in the exhaust gas.
The second end of trap 34 is in communication with trap 35, trap 35 being in communication with air extractor 36. The drain trap 35 and the drain valve 34 can effectively prevent sewage from directly entering the tail gas destructor, and can also ensure the service life of the tail gas destructor 32.
Still be provided with the defoaming packing layer 17 in holding the chamber 12, the side that is close to the top of defoaming packing layer 17 setting in holding the chamber 12 is owing to be located the surface of holding the sewage in the chamber 12 and have remaining active agent foam and biological foam, can effectively handle surfactant foam and biological foam through the defoaming packing layer 17, avoids ozone tail gas destruction device 3 to suffer the damage that this part of remaining foam leads to.
The outer peripheral side of the defoaming filler layer 17 is tightly connected with the cavity wall of the accommodating cavity 12, so that leakage of the active agent foam and the biological foam from the fine seam between the defoaming filler layer 17 and the cavity wall of the accommodating cavity 12 is prevented. The defoaming filler layer 17 in this embodiment is specifically a wire mesh defoamer, which mainly comprises a wire mesh, a wire mesh grid, a wire mesh block and a supporting device for fixing the wire mesh block.
The treatment system further comprises a sealed cyclone air floatation device 4, wherein the sealed cyclone air floatation device 4 comprises an air floatation tank 41 and a tangential inlet 42, sewage is required to be conveyed into the air floatation tank 41 of the sealed cyclone air floatation device 4 for cyclone floatation treatment before being filled into the ozone adding device 2, and microbubbles in the sewage are quickly combined with dirty oil, colloid, suspended matters and the like in the sewage and accumulated upwards to form scum under the cyclone action in the air floatation tank 41. While the tangential inlet 42 serves to allow the sewage to be poured into the floatation tank 41.
In addition, the sealed cyclone air floatation 4 further comprises a pressure transmitter 43 and a liquid level transmitter 44, and the tangential inlet 42 is communicated with the inside of the air floatation tank 41. The pressure transmitter 43 is used for monitoring the pressure in the air floatation tank 41, automatically opening the air supplementing valve when the pressure is low, and simultaneously controlling the air exhausting valve 56 through PID regulation. The liquid level transmitter 44 is used for monitoring the liquid level in the air floatation tank 41, and the liquid level transmitter 44 detects the liquid level in real time and automatically controls the drain valve 63 through PID adjustment.
The sealed cyclone air float 4 further comprises a dosing device 45, a pipeline mixer 46 and a gas-liquid mixer 47, wherein the first end of the pipeline mixer 46 is communicated with the dosing device 45 and the sewage filling pipe, the second end of the pipeline mixer 46 is communicated with the gas-liquid mixer 47, and the gas-liquid mixer 47 is also communicated with the tangential inlet 42. Before the sewage is filled into the air floatation tank 41, the sewage is required to be filled into a pipeline mixer 46, the pipeline mixer 46 is communicated with a dosing device 45, PAC and PAM are added at a dosing point by the dosing device 45, and the PAC and the PAM are filled into the pipeline mixer 46, so that the PAC and the PAM are mixed with the sewage. PAC is specifically a polyaluminium chloride flocculant, has stronger bridging adsorption performance, and leads the physicochemical processes of coagulation, adsorption, precipitation and the like to occur in the process of mixing sewage. The PAM is specifically polyacrylamide, after being mixed with sewage, the PAM contracts, bridges and extrudes sediment aiming at the corresponding double electric layers of the colloid particles, so that the colloid particles are forced to reach a stable state, and finally the aim of concentrated sedimentation is fulfilled.
The treatment system further comprises a gas dissolving device 5, wherein the gas dissolving device 5 comprises a gas dissolving tank 51, a second release valve 52 and a gas dissolving pump 53, the gas dissolving tank 51 is communicated with a first end of the second release valve 52, and a second end of the second release valve 52 is communicated with the gas-liquid mixer 47; the first end of the dissolved air pump 53 is communicated with the dissolved air tank 51, and the second end of the dissolved air pump 53 is communicated with a reflux port 54 in the reaction tank 11. After the dissolved air water generated by the dissolved air pump 53 enters the dissolved air tank 51 for pressure stabilization, the pressure is released through the second release valve 52, and the nano-scale micro-bubbles in the dissolved air water are released and fully mixed with sewage in the gas-liquid mixer 47.
In addition, a liquid level switch is further arranged in the dissolved air tank 51, larger bubbles dissolved in water can be released in the dissolved air tank 51 in advance and accumulated at the top of the dissolved air tank 51, so that the liquid level of the dissolved air tank 51 slowly drops, when the liquid level of the dissolved air tank 51 drops to a set value, the exhaust valve 56 can be automatically opened for exhaust, and the exhaust valve 56 is automatically closed after exhaust gas is exhausted.
The exhaust valve 56 is arranged on the dissolved air tank 51, the exhaust valve 56 is communicated with the dissolved air tank 51, sewage flows out through a backflow port 54 in the reaction tank 11, the sewage enters the dissolved air pump 53 together with compressed air, then the dissolved air water provided by the dissolved air pump 53 enters the dissolved air tank 51 for stabilizing pressure, the pressure is released through the first-stage release valve, nano-scale micro-bubbles in the dissolved air water are released, and the nano-scale micro-bubbles and the sewage are fully mixed in the gas-liquid mixer 47.
The discharge channels 14 are communicated with the drain ditch 6, the clean water tank 61 and the regulating tank 62; wherein, be provided with drain valve 63 between drain channel 14 and the clean water tank 61, drain valve 63's first end communicates with the drainage portion, and drain valve 63's second end communicates with clean water tank 61, and sewage is after a series of processing of above-mentioned, finally through opening drain valve 63 and carry clean water tank 61.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. A treatment system for air flotation and ozone catalytic oxidation, the treatment system comprising:
the ozone reaction device comprises a reaction tank, wherein a containing cavity is formed in the reaction tank, and a wastewater inlet and a discharge channel which are communicated with the containing cavity are formed in the reaction tank;
a plurality of packing layers are arranged in the accommodating cavity, and the packing layers are sequentially arranged side by side along the direction from the bottom to the top of the accommodating cavity;
the conveying pipe is vertically arranged in the accommodating cavity, the first end of the conveying pipe extends along the top of the accommodating cavity and penetrates through each packing layer, and the second end of the conveying pipe is communicated with the discharging channel.
2. The processing system of claim 1, wherein: the treatment system further comprises an ozone adding device, the ozone adding device comprises an ozone injection valve, a first release valve and an ozone dissolved air pump, the ozone injection valve is communicated with an air supply port of the ozone dissolved air pump, a first end of the first release valve is communicated with the ozone dissolved air pump, and a second end of the first release valve is communicated with the wastewater inlet.
3. The processing system of claim 1, wherein: the treatment system further comprises an ozone tail gas destroying device, the ozone tail gas destroying device comprises a tail gas discharging valve, a tail gas destroying device and an air exhaust device, a first end of the tail gas discharging valve is communicated with the accommodating cavity of the reaction tank, a second end of the tail gas discharging valve is communicated with the tail gas destroying device, and the tail gas destroying device is communicated with the air exhaust device.
4. A processing system according to claim 3, wherein: the ozone tail gas destruction device further comprises a drain valve and a drain bend, and the drain valve and the drain bend are arranged between the tail gas destructor and the tail gas discharge valve;
the first end of the drain valve is communicated with the second end of the tail gas discharge valve, the second end of the drain valve is communicated with the drain trap, and the drain trap is communicated with the air exhaust device.
5. The processing system of claim 1, wherein: the accommodating cavity is internally provided with a defoaming filler layer, and the defoaming filler layer is arranged on one side, close to the top, of the accommodating cavity; the outer peripheral side of the defoaming filler layer is tightly connected with the cavity wall close to the accommodating cavity.
6. The processing system of claim 1, wherein: the treatment system further comprises a sealed cyclone air floatation device, the sealed cyclone air floatation device comprises an air floatation tank, a tangential inlet, a pressure transmitter and a liquid level transmitter, the tangential inlet is communicated with the air floatation tank, the pressure transmitter monitors the pressure in the reaction tank, and the liquid level transmitter monitors the liquid level in the air floatation tank.
7. The processing system of claim 6, wherein: the sealed cyclone air floatation device is characterized by further comprising a dosing device, a pipeline mixer and a gas-liquid mixer, wherein the first end of the pipeline mixer is communicated with the dosing device and the sewage filling pipe, the second end of the pipeline mixer is communicated with the gas-liquid mixer, and the gas-liquid mixer is communicated with the tangential inlet.
8. The processing system of claim 7, wherein: the treatment system further comprises a gas dissolving device, wherein the gas dissolving device comprises a gas dissolving tank, a second release valve and a gas dissolving pump, the gas dissolving tank is communicated with the first end of the second release valve, and the second end of the second release valve is communicated with the gas-liquid mixer; the first end of the dissolved air pump is communicated with the dissolved air tank, and the second end of the dissolved air pump is communicated with a reflux port in the reaction tank.
9. The processing system of claim 8, wherein: the air dissolving device further comprises an air compressor and an exhaust valve, wherein the exhaust valve is arranged on the air dissolving tank and is communicated with the air dissolving tank.
10. The processing system of claim 1, wherein: the treatment system further comprises a drainage ditch, a clean water tank and an adjusting tank, wherein the drainage channels are communicated with the drainage ditch, the clean water tank and the adjusting tank;
the device comprises a clear water tank, a drain valve and a drain valve, wherein the drain valve is arranged between the drain channel and the clear water tank, a first end of the drain valve is communicated with the drain channel, and a second end of the drain valve is communicated with the clear water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222306540.5U CN219058598U (en) | 2022-08-30 | 2022-08-30 | Treatment system for air floatation and ozone catalytic oxidation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222306540.5U CN219058598U (en) | 2022-08-30 | 2022-08-30 | Treatment system for air floatation and ozone catalytic oxidation |
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| Publication Number | Publication Date |
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| CN219058598U true CN219058598U (en) | 2023-05-23 |
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| CN202222306540.5U Active CN219058598U (en) | 2022-08-30 | 2022-08-30 | Treatment system for air floatation and ozone catalytic oxidation |
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- 2022-08-30 CN CN202222306540.5U patent/CN219058598U/en active Active
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