CN116813063A - Multistage treatment device and process for treating industrial wastewater through ozone catalytic circulation - Google Patents
Multistage treatment device and process for treating industrial wastewater through ozone catalytic circulation Download PDFInfo
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- CN116813063A CN116813063A CN202310900799.9A CN202310900799A CN116813063A CN 116813063 A CN116813063 A CN 116813063A CN 202310900799 A CN202310900799 A CN 202310900799A CN 116813063 A CN116813063 A CN 116813063A
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- catalytic
- assembly
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- wastewater
- ozone
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Links
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 122
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000011282 treatment Methods 0.000 title claims abstract description 41
- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000011010 flushing procedure Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000002351 wastewater Substances 0.000 claims description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000005273 aeration Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 21
- 238000012856 packing Methods 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 6
- 238000011221 initial treatment Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 14
- 238000004891 communication Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 230000000717 retained effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a multistage treatment device and a multistage treatment process for treating industrial wastewater by ozone catalytic circulation, which relate to the technical field of industrial wastewater treatment and comprise a control box, wherein the control box is fixed on the ground and controls a back flushing device, an ozone generating device and a plurality of pump bodies to start and stop; the catalytic assembly is fixed on the ground, is connected with the back flushing device and the ozone generating device, and one side of the catalytic assembly is communicated with a waste pipe; and the collecting barrels are connected with the catalytic assembly through pipelines, and pump bodies are arranged on the pipelines, wherein at least two collecting barrels are used for containing reverse flushing liquid and industrial wastewater treated by the catalytic assembly respectively.
Description
Technical Field
The invention relates to the technical field of industrial wastewater treatment, in particular to a multistage treatment device and a multistage treatment process for ozone catalytic cycle treatment of industrial wastewater.
Background
The industrial wastewater contains more complex organic matters, and the traditional treatment method has poor Chemical Oxygen Demand (COD) and chromaticity removal effects on the industrial wastewater. Because ozone has strong oxidizing ability, a plurality of organic and inorganic pollutants in industrial wastewater can be removed, and COD and chromaticity are effectively reduced. Meanwhile, the treatment process of ozone catalytic oxidation is simpler, reliable and safe, and does not produce secondary pollution;
however, the existing ozone catalytic oxidation wastewater treatment process is insufficient in mixing degree of gas phase and liquid phase, so that the mass transfer effect of the gas phase and the liquid phase is poor, the reaction rate of the catalytic reaction is reduced, and meanwhile, the effect of back flushing on the catalytic material tray is poor, so that impurities are retained in the catalytic material tray after long-time use, and the wastewater treatment effect is affected.
In order to solve the problems, the invention provides a multistage treatment device for treating industrial wastewater by ozone catalytic cycle.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: a multi-stage treatment device for ozone catalytic cycle treatment of industrial wastewater, comprising:
the control box is fixed on the ground and used for controlling the back flushing device, the ozone generating device and the plurality of pump bodies to start and stop;
the catalytic assembly is fixed on the ground, is connected with the back flushing device and the ozone generating device, and one side of the catalytic assembly is communicated with a waste pipe; and
the collecting barrels are connected with the catalytic assembly through pipelines, and pump bodies are arranged on the pipelines, wherein the number of the collecting barrels is at least two, and the two collecting barrels are respectively used for containing anti-flushing liquid and industrial wastewater after being treated by the catalytic assembly.
Further, preferably, the catalytic assembly includes at least a first catalytic assembly and a second catalytic assembly, and the internal structures of the first catalytic assembly and the second catalytic assembly are the same, and each includes:
the side wall of the catalytic tower is provided with a waste water inlet and a water outlet at positions close to the upper end and the lower end respectively;
a back flushing port which is arranged at a position close to the wastewater inlet and is communicated with the back flushing device;
the aeration disc is fixed at the bottom of the catalytic tower;
the driving bin is fixed on the outer wall of the catalytic tower; and
the tray components are configured into two groups, are rotatably arranged in the catalytic tower and are driven by the driving bin.
Further, preferably, the waste water inlet of the first catalytic assembly is in communication with the waste water pipe, the drain outlet of the first catalytic assembly is in communication with the waste water inlet of the second catalytic assembly, and the drain outlet of the second catalytic assembly is in communication with the collection tub.
Further, preferably, the aeration disc is provided with a plurality of aeration holes, and a plurality of aeration holes are all obliquely arranged, the oblique directions of the aeration holes are spirally distributed, and the aperture of the aeration holes in the first catalytic assembly is larger than that of the aeration holes in the second catalytic assembly.
Further, preferably, the tray assembly includes:
the rotating shaft is rotatably arranged in the catalytic tower, and one end of the rotating shaft is driven by the driving bin;
the fixed ring is fixed on the rotating shaft;
the elastic sealing bag is fixed on the outer wall of the fixed ring and is attached to the inner wall of the catalytic tower;
the upper sealing plate is fixed on the upper end surface of the fixed ring;
the water outlet plate is coaxially fixed in the middle of the upper sealing plate; and
and the lower sealing plate is fixed on the lower end surface of the fixed ring.
Further, preferably, a packing bin is formed by the fixing ring, the upper sealing plate and the lower sealing plate together, catalytic packing is placed in the packing bin, a plurality of adjusting bins are fixed on the circumference of the fixing ring, a telescopic column is slidably arranged in the adjusting bins, a pressing spring is arranged between the telescopic column and the adjusting bins, and one end of the telescopic column is fixed with the inner wall of the elastic sealing bag.
Further, preferably, the upper sealing plate is provided with a plurality of through holes, the through holes are internally fixed with rubber one-way valves, the water outlet plate is provided with a plurality of water outlet holes in a penetrating way, and the lower sealing plate is provided with a plurality of water inlets in a penetrating way.
The use process of the multistage treatment device for treating industrial wastewater by ozone catalytic cycle comprises the following steps:
s1, pretreating wastewater to remove large-particle impurities in the wastewater;
s2, carrying out primary catalytic treatment on the wastewater subjected to pretreatment by using ozone, and sending the wastewater into a first catalytic assembly through a wastewater pipe for primary treatment, wherein the ozone generating device is in an on state;
s3, performing secondary catalytic treatment on the wastewater subjected to the primary treatment, and discharging the wastewater into a collecting barrel after the secondary treatment is performed on the wastewater in a second catalytic assembly;
s4, back flushing, namely injecting cleaning water into the first catalytic assembly through a back flushing device, wherein the ozone generating device is in a closed state, and overturning the material tray assembly through the driving bin, wherein the overturning angle of the material tray assembly positioned above is 90 degrees, so that the material tray assembly positioned below is in a vertical state, the overturning angle of the material tray assembly positioned below is 180 degrees, after the material tray assembly positioned below is flushed, the overturning states of the two material tray assemblies are turned until back flushing is completed, and the overturning angles of the two material tray assemblies can be adjusted after preliminary flushing is completed, so that multidirectional cleaning is performed, and finally the cleaning water enters the collecting barrel for collection, so that the material tray assembly can be recycled.
Compared with the prior art, the invention provides a multistage treatment device for treating industrial wastewater by ozone catalytic cycle, which has the following beneficial effects:
according to the invention, the wastewater can be treated in multiple stages by arranging the first catalytic assembly and the second catalytic assembly, ozone bubbles can be enabled to rotate and rise in an angle through the inclined aeration holes which are arranged in a spiral manner, the contact time between the ozone bubbles in the wastewater and ozone is improved under the same height, and part of the wastewater can move along the radial direction of the material tray assembly through the material tray assembly, so that the contact time between the wastewater and catalytic filler is improved, the mixing degree of water and gas is increased, and the angle of the wastewater in the catalytic tower can be adjusted through the driving bin when the material tray assembly is backwashed, so that the material tray assembly is backwashed more comprehensively, and the retention of impurities is avoided.
Drawings
FIG. 1 is an overall schematic diagram of a multistage treatment device for ozone catalytic cycle treatment of industrial wastewater;
FIG. 2 is a schematic diagram of catalytic components of a multi-stage treatment apparatus for ozone catalytic cycle treatment of industrial wastewater;
FIG. 3 is a schematic diagram of a tray assembly of a multi-stage treatment apparatus for ozone catalytic cycle treatment of industrial wastewater;
in the figure: 1. a control box; 2. a back flushing device; 3. an ozone generating device; 4. a first catalytic assembly; 5. a second catalytic assembly; 6. a waste pipe; 7. a collecting barrel; 51. a catalytic tower; 52. a waste water inlet; 53. a water outlet; 54. a back flushing port; 55. an aeration disc; 551. aeration holes; 56. a tray assembly; 561. a fixing ring; 562. a rotating shaft; 563. an elastic sealing bladder; 564. adjusting the bin; 565. a telescopic column; 566. an upper closing plate; 567. a water outlet plate; 568. a rubber check valve; 569. and a lower closing plate.
Detailed Description
Referring to fig. 1 to 3, the present invention provides a technical solution: a multi-stage treatment device for ozone catalytic cycle treatment of industrial wastewater, comprising:
the control box 1 is fixed on the ground and controls the back flushing device 2, the ozone generating device 3 and the pump bodies to start and stop;
the catalytic assembly is fixed on the ground, is connected with the back flushing device 2 and the ozone generating device 3, and is communicated with a waste water pipe 6 at one side; and
the collecting barrels 7 are connected with the catalytic assembly through pipelines, and pump bodies are arranged on the pipelines, wherein at least two collecting barrels 7 are arranged, and the two collecting barrels 7 are respectively used for containing reverse flushing liquid and industrial wastewater after being treated by the catalytic assembly.
In this embodiment, the catalytic assembly includes at least a first catalytic assembly 4 and a second catalytic assembly 5, and the internal structures of the first catalytic assembly 4 and the second catalytic assembly 5 are the same, which includes:
the catalytic tower 51 is provided with a waste water inlet 52 and a water outlet 53 at the positions of the side wall close to the upper end and the lower end respectively;
a back flushing port 54 which is arranged at a position close to the wastewater inlet 2 and is communicated with the back flushing device 2;
an aeration disc 55 fixed to the bottom of the catalytic tower 51;
a driving bin fixed to the outer wall of the catalytic tower 51; and
the tray assemblies 56 are configured into two groups, are rotatably arranged in the catalytic tower 51, and are driven by the driving bin.
That is, by providing the first catalytic module 4 and the second catalytic module 5, the wastewater can be treated in multiple stages, and the effect of treating the wastewater can be improved.
As a preferred embodiment, the waste water inlet 52 of the first catalytic assembly 4 is in communication with the waste water pipe 6, the drain outlet 53 of the first catalytic assembly 4 is in communication with the waste water inlet 52 of the second catalytic assembly 5, and the drain outlet 53 of the second catalytic assembly 5 is in communication with the collection tub 7.
As a preferred embodiment, the aeration plate 551 is provided with a plurality of aeration holes 551, and a plurality of aeration holes 551 are all obliquely arranged, the oblique directions of the aeration holes 551 are arranged along a spiral, and the aperture of the aeration holes 551 in the first catalytic component 4 is larger than the aperture of the aeration holes 551 in the second catalytic component 5.
That is, the inclined aeration holes 551 which are spirally arranged can enable the ozone bubbles to rotate and rise with angles, so that the contact time between the wastewater and the ozone is improved under the same height, and the mixing degree of the water and the gas is improved.
As a preferred embodiment, the tray assembly 56 includes:
a rotating shaft 562 rotatably disposed in the catalytic tower 51 and having one end driven by the driving bin;
a fixing ring 561 fixed to the rotating shaft 562;
an elastic sealing bag 563 fixed to the outer wall of the fixing ring 561 and attached to the inner wall of the catalytic tower 51;
an upper closing plate 566 fixed to an upper end surface of the fixing ring 561;
a water outlet plate 567 coaxially fixed to the middle position of the upper closing plate 566; and
a lower closing plate 569 is fixed to a lower end surface of the fixing ring 561.
That is, the sealing between the fixing ring 561 and the catalyst tower 51 can be performed by the elastic sealing bladder 563, and smooth rotation can be performed by deformation of the elastic sealing bladder 563 when the fixing ring 561 rotates, thereby enabling angular adjustment while ensuring sealing.
As a preferred embodiment, a packing bin is formed by the fixing ring 561, the upper closing plate 566 and the lower closing plate 569, catalytic packing is placed in the packing bin, a plurality of adjusting bins 564 are fixed on the circumference of the fixing ring 561, telescopic columns 565 are slidably arranged in the adjusting bins 564, pressing springs are arranged between the telescopic columns 565 and the adjusting bins 564, and one ends of the telescopic columns 565 are fixed with the inner wall of the elastic sealing bag 563.
In a preferred embodiment, the upper closing plate 566 is provided with a plurality of through holes, a rubber check valve 568 is fixed in the through holes, the water outlet plate 567 is provided with a plurality of water outlet holes in a penetrating manner, and the lower closing plate 569 is provided with a plurality of water inlets in a penetrating manner.
That is, the radial movement of the closure plate 566 on a portion of the wastewater can be achieved through the rubber check valve 568, thereby increasing the contact time of the wastewater with the catalytic packing, increasing the mixing degree of the water and gas, and adjusting the angle of the tray assembly 56 in the catalytic tower through the drive bin during the back flushing, thereby more comprehensively back flushing the tray assembly and avoiding the retention of impurities.
The use process of the multistage treatment device for treating industrial wastewater by ozone catalytic cycle comprises the following steps:
s1, pretreating wastewater to remove large-particle impurities in the wastewater;
s2, carrying out primary catalytic treatment on the wastewater subjected to pretreatment by using ozone, and sending the wastewater into a first catalytic assembly 4 through a wastewater pipe 6 for primary treatment, wherein the ozone generating device 3 is in an on state;
s3, performing secondary catalytic treatment on the wastewater subjected to the primary treatment, and discharging the wastewater into a collecting barrel 7 after the secondary treatment is performed on the wastewater in a second catalytic assembly 5;
s4, back flushing, wherein cleaning water is injected into the first catalytic assembly 4 through the back flushing device 2, at the moment, the ozone generating device 3 is in a closed state, the tray assembly 56 is turned over through the driving bin, at the moment, the turning angle of the tray assembly 56 positioned above is 90 degrees, the tray assembly 56 positioned below is in a vertical state, the turning angle of the tray assembly 56 positioned below is 180 degrees, after the tray assembly 56 positioned below is flushed, the turning states of the two tray assemblies 56 are turned until back flushing is completed, and the turning angles of the two tray assemblies 56 can be adjusted after primary flushing is completed, so that multidirectional cleaning is performed, and the cleaning water finally enters the collecting barrel 7 for collection, and can be recycled.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. A multistage treatment device for ozone catalytic cycle treatment of industrial wastewater is characterized in that: comprising the following steps:
the control box (1) is fixed on the ground and controls the back flushing device (2), the ozone generating device (3) and the pump bodies to start and stop;
the catalytic assembly is fixed on the ground, is connected with the back flushing device (2) and the ozone generating device (3), and is communicated with a waste water pipe (6) at one side; and
the collecting barrels (7) are connected with the catalytic assembly through pipelines, and pump bodies are arranged on the pipelines, wherein the number of the collecting barrels (7) is at least two, and the two collecting barrels (7) are respectively used for containing back flushing liquid and industrial wastewater after being treated by the catalytic assembly.
2. The multistage treatment device for treating industrial wastewater by ozone catalytic cycle according to claim 1, wherein: the catalytic assembly at least comprises a first catalytic assembly (4) and a second catalytic assembly (5), and the internal structures of the first catalytic assembly (4) and the second catalytic assembly (5) are the same, and both the catalytic assemblies comprise:
the side wall of the catalytic tower (51) is provided with a waste water inlet (52) and a water outlet (53) at positions close to the upper end and the lower end respectively;
a back flushing port (54) which is arranged at a position close to the wastewater inlet (2) and is communicated with the back flushing device (2);
an aeration disc (55) fixed at the bottom of the catalytic tower (51);
the driving bin is fixed on the outer wall of the catalytic tower (51); and
and the tray assemblies (56) are configured into two groups, are rotatably arranged in the catalytic tower (51) and are driven by the driving bin.
3. The multistage treatment device for treating industrial wastewater by ozone catalytic cycle according to claim 2, wherein: the waste water inlet (52) of the first catalytic assembly (4) is communicated with the waste water pipe (6), the water outlet (53) of the first catalytic assembly (4) is communicated with the waste water inlet (52) of the second catalytic assembly (5), and the water outlet (53) of the second catalytic assembly (5) is communicated with the collecting barrel (7).
4. The multistage treatment device for treating industrial wastewater by ozone catalytic cycle according to claim 2, wherein: a plurality of aeration holes (551) are formed in the aeration disc (551), the aeration holes (551) are all obliquely formed, the oblique directions of the aeration holes are distributed along a spiral, and the aperture of the aeration holes (551) in the first catalytic assembly (4) is larger than that of the aeration holes (551) in the second catalytic assembly (5).
5. The multistage treatment device for treating industrial wastewater by ozone catalytic cycle according to claim 2, wherein: the tray assembly (56) includes:
a rotating shaft (562) rotatably arranged in the catalytic tower (51) and one end of which is driven by the driving bin;
a fixed ring (561) fixed to the rotating shaft (562);
an elastic sealing bag (563) fixed on the outer wall of the fixed ring (561) and attached to the inner wall of the catalytic tower (51);
an upper closing plate (566) fixed to an upper end surface of the fixing ring (561);
the water outlet plate (567) is coaxially fixed at the middle position of the upper sealing plate (566); and
and a lower closing plate (569) fixed to the lower end surface of the fixing ring (561).
6. The multistage treatment device for treating industrial wastewater by ozone catalytic cycle according to claim 5, wherein: the utility model discloses a catalytic packing is fixed, fixed ring (561), go up between closure plate (566) and lower closure plate (569) and constitute the packing storehouse jointly, place catalytic packing in the packing storehouse, just circumference is fixed with a plurality of regulation storehouse (564) on fixed ring (561), it is provided with telescopic column (565) to adjust the interior slip in storehouse (564), telescopic column (565) with be provided with the pressing spring between regulation storehouse (564), just the one end of telescopic column (565) with the inner wall of elastic sealing bag (563) is fixed.
7. The multistage treatment device for treating industrial wastewater by ozone catalytic cycle according to claim 5, wherein: a plurality of through holes are formed in the upper sealing plate (566), a rubber one-way valve (568) is fixed in the through holes, a plurality of water outlet holes are formed in the water outlet plate (567) in a penetrating mode, and a plurality of water inlets are formed in the lower sealing plate (569) in a penetrating mode.
8. The process for using the multistage treatment device for treating industrial wastewater by ozone catalytic cycle according to claim 7, wherein the process comprises the following steps: the method comprises the following steps:
s1, pretreating wastewater to remove large-particle impurities in the wastewater;
s2, carrying out primary catalytic treatment on the pretreated wastewater by using ozone, and sending the pretreated wastewater into a first catalytic assembly (4) through a wastewater pipe (6) for primary treatment, wherein the ozone generating device (3) is in an on state;
s3, performing secondary catalytic treatment on the wastewater subjected to the primary treatment, and discharging the wastewater into a collecting barrel (7) after the secondary treatment is performed on the wastewater in a second catalytic assembly (5);
s4, back flushing, namely injecting cleaning water into the first catalytic assembly (4) through the back flushing device (2), wherein the ozone generating device (3) is in a closed state, the tray assembly (56) is turned over through the driving bin, the tray assembly (56) above the ozone generating device is in a vertical state, the tray assembly (56) below the ozone generating device is in a 180-degree turning angle, after the tray assembly (56) below the ozone generating device is flushed, the turning states of the two tray assemblies (56) are turned until back flushing is completed, and the turning angles of the two tray assemblies (56) can be adjusted after primary flushing is completed, so that multidirectional cleaning is performed, and finally cleaning water enters the collecting barrel (7) for collection, and can be recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310900799.9A CN116813063A (en) | 2023-07-21 | 2023-07-21 | Multistage treatment device and process for treating industrial wastewater through ozone catalytic circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310900799.9A CN116813063A (en) | 2023-07-21 | 2023-07-21 | Multistage treatment device and process for treating industrial wastewater through ozone catalytic circulation |
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| Publication Number | Publication Date |
|---|---|
| CN116813063A true CN116813063A (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310900799.9A Pending CN116813063A (en) | 2023-07-21 | 2023-07-21 | Multistage treatment device and process for treating industrial wastewater through ozone catalytic circulation |
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| CN (1) | CN116813063A (en) |
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| CN114575434A (en) * | 2022-03-01 | 2022-06-03 | 宏伟建设工程股份有限公司 | Pipe type mixed flow vertical pipe rain and sewage flow dividing device |
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| CN218403847U (en) * | 2022-08-18 | 2023-01-31 | 山东致源环境工程有限公司 | Back flushing device of IC anaerobic reactor |
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2023
- 2023-07-21 CN CN202310900799.9A patent/CN116813063A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101824372B1 (en) * | 2017-12-20 | 2018-03-14 | (주)수일건설엔지니어링 | Dust removal equipment for sewage sludge treatment |
| CN110508134A (en) * | 2019-09-04 | 2019-11-29 | 安徽节源环保科技有限公司 | A kind of anti-blocking drop resistance SCR denitration device |
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