CN114477416A - Advanced oxidation treatment method for town sewage - Google Patents
Advanced oxidation treatment method for town sewage Download PDFInfo
- Publication number
- CN114477416A CN114477416A CN202210148890.5A CN202210148890A CN114477416A CN 114477416 A CN114477416 A CN 114477416A CN 202210148890 A CN202210148890 A CN 202210148890A CN 114477416 A CN114477416 A CN 114477416A
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- pipe
- oxidation treatment
- advanced oxidation
- treatment method
- town sewage
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- 238000011282 treatment Methods 0.000 title claims abstract description 89
- 239000010865 sewage Substances 0.000 title claims abstract description 70
- 230000003647 oxidation Effects 0.000 title claims abstract description 50
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000007800 oxidant agent Substances 0.000 claims abstract description 22
- 230000001590 oxidative effect Effects 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 32
- 238000005192 partition Methods 0.000 claims description 19
- 238000007664 blowing Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 7
- 239000013049 sediment Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 14
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000011221 initial treatment Methods 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
Images
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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
Abstract
The invention belongs to the technical field of sewage treatment, and particularly relates to a town sewage advanced oxidation treatment method, which comprises the following steps: 1) closing the drain pipe of the three-way valve, and simultaneously opening the sewage inlet pipe and the delivery pipe of the oxidant storage tank until the liquid in the treatment tank completely overflows the filler; 2) starting the air blower and the material collecting motor, wherein the material collecting motor drives the material collecting assembly to work; 3) opening an outlet pipe connected with the three-way valve and the water return pipe, and starting the booster pump to perform a water return repeated oxidation process; 4) after a period of time, the booster pump is closed, the drain pipe of the three-way valve is opened to drain, and after the drainage is finished, the primary treatment operation is finished. The method has scientific and reasonable design, and can quickly intercept and collect the substances after oxidizing the pollutants dissolved in water into the substances which are insoluble in water and easy to separate from the water; and an intermittent treatment mode is adopted, so that the concentration of the fed strong oxidant can be controlled, and the oxidation effect can be guaranteed.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a method for advanced oxidation treatment of town sewage.
Background
Urban sewage refers to urban resident domestic sewage, drainage of institutions, schools, hospitals, commercial service institutions and various public facilities, industrial wastewater allowed to be discharged into urban sewage collection systems, initial rainwater and the like, sewage oxidation treatment is one of wastewater chemical treatment methods, pollutants in wastewater are oxidized and decomposed by using a strong oxidant, and the oxidation treatment mode becomes an important means for treating biologically refractory organic toxic pollutants. When urban sewage is oxidized, a strong oxidant is required to be added into the sewage, the strong oxidant can gradually degrade organic matters in the sewage into simple inorganic matters, and pollutants dissolved in the water are oxidized into substances which are insoluble in water and easy to separate from the water.
The patent specification with publication number CN213623683U discloses an advanced oxidation treatment device for town sewage, including the sewage treatment case, the inside wall of sewage treatment case fixed mounting respectively has division board, snakelike electrothermal tube and backup pad, and the last fixed surface of sewage treatment case installs agitator motor, and the fixed surface of bull stick installs the stirring rod, and the left surface fixed mounting of sewage treatment case has the air pump, and the last fixed surface of aeration pipe installs the aeration head, and the inner wall fixed mounting of mounting groove has ultraviolet irradiation lamp. This advanced oxidation treatment device of town sewage adds strong oxidant in sewage after, can stir sewage through the stirring rod and the aeration head carries out the aeration to sewage, snakelike electrothermal tube heats sewage simultaneously and shines sewage with the ultraviolet radiation lamp, makes sewage treatment thoroughly more high-efficient.
Firstly, after pollutants dissolved in water are oxidized into substances which are insoluble in water and easy to separate from the water, the substances cannot be intercepted and collected quickly, so that the substances are easy to dissolve again in the subsequent process; secondly, the concentration of the strong oxidant after feeding can not be controlled, which is not beneficial to ensuring the oxidation effect.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a method for advanced oxidation treatment of town sewage.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a town sewage advanced oxidation treatment method is realized based on a town sewage advanced oxidation treatment device:
the advanced oxidation treatment device for urban sewage comprises a treatment box, wherein a buffer baffle and a filtering baffle positioned below the buffer baffle are arranged in the treatment box, an oxidant storage box is fixed on a top plate of the treatment box, the oxidant storage box is connected with a spray tray positioned above the buffer baffle through a conveying pipe, a sewage inlet pipe and a water return pipe are respectively arranged on two sides of the area above the buffer baffle, the water return pipe is connected with an outlet pipe of a three-way valve through a water return pipe with a booster pump, the other outlet pipe of the three-way valve is used as a water discharge pipe, an inlet pipe of the three-way valve is communicated with the area below the filtering baffle, an air blower is fixed on the outer wall of the treatment box, an output pipe of the air blower is connected with an air blowing tray positioned between the buffer baffle and the filtering baffle, a filler is fixed between the air blowing tray and the buffer baffle of the treatment box, and a material collecting pipe penetrating through a bottom plate of the treatment box is fixed at the center of the filtering baffle, an aggregate motor is fixed on the lower side of the blast disc and is positioned right above the aggregate pipe, and the aggregate motor drives an aggregate assembly for transferring the sediment on the filtering partition plate to the aggregate pipe;
the method comprises the following steps:
1) closing the drain pipe of the three-way valve, simultaneously opening the delivery pipes of the sewage inlet pipe and the oxidant storage tank until the liquid in the treatment tank completely overflows the filler, and closing the delivery pipes of the sewage inlet pipe and the oxidant storage tank;
2) starting an air blower and an aggregate motor, wherein the air blower performs aeration through an air blowing disc, the aggregate motor drives an aggregate assembly to work, and precipitates on a filtering partition plate are transferred to a material collecting pipe;
3) opening an outlet pipe connected with the three-way valve and the water return pipe, and starting the booster pump to perform a water return repeated oxidation process;
4) and after the operation lasts for a period of time, the booster pump is closed, the drain pipe of the three-way valve is opened to drain, after the drainage is finished, one-time treatment operation is finished, and the intermittent sewage oxidation treatment can be realized by repeating the steps.
Further, according to the advanced oxidation treatment method for town sewage, the buffer clapboard is a hollow plate, a plurality of diversion holes are uniformly distributed on the plate body, and the aperture of each diversion hole is 1-3 cm.
Furthermore, in the advanced oxidation treatment method of town sewage, the filtering partition plate is in a frustum-shaped structure with a wide upper part and a narrow lower part, and filtering holes are uniformly distributed on a plate body, and the aperture of each filtering hole is 0.1-1 mm.
Further, according to the advanced oxidation treatment method for town sewage, the aggregate component comprises a rotating shaft, a supporting plate, a mounting bar, a scraping brush and a pressing screw blade, the top end of the rotating shaft is fixedly connected with an output shaft of the aggregate motor through a coupler, the mounting bar is fixedly supported on the outer side of an upper shaft body of the rotating shaft through the supporting plate, the scraping brush which can be attached to the inner surface of the filtering partition plate is mounted on the mounting bar, and the pressing screw blade is fixed on the outer side of a lower shaft body of the rotating shaft.
Further, according to the town sewage advanced oxidation treatment method, the rotating shaft, the supporting plate and the mounting bar are fixed through welding, and the scraping brush is made of a wear-resistant rubber plate.
Further, according to the method for advanced oxidation treatment of town sewage, the lower pressing screw blade is completely hidden in the part of the collecting pipe in the treatment tank.
Further, according to the town sewage advanced oxidation treatment method, the part of the collecting pipe, which is positioned outside the treatment tank, is provided with the manual or electric control opening valve.
Further, according to the town sewage advanced oxidation treatment method, the bottom side of the air blowing disc is fixedly connected with the inner wall of the treatment box through a plurality of supports which are distributed in the circumferential direction.
Further, according to the town sewage advanced oxidation treatment method, the filler is a disk-shaped wire mesh filler formed by arranging a plurality of parallel and straight-line metal corrugated net sheets.
Further, according to the town sewage advanced oxidation treatment method, the outer side of the aggregate motor is coated with the waterproof box.
The invention has the beneficial effects that:
the advanced oxidation treatment method for town sewage is scientific and reasonable in design, and on one hand, after pollutants dissolved in water are oxidized into substances which are insoluble in water and easy to separate from the water, the substances can be quickly intercepted and collected, so that the substances are prevented from being easily re-dissolved in the follow-up process; on the other hand, an intermittent treatment mode is adopted, so that the concentration of the fed strong oxidant can be controlled, and the oxidation effect can be guaranteed.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic top view of the buffering spacer according to the present invention;
FIG. 3 is a schematic front view of the filtering partition plate according to the present invention;
FIG. 4 is a schematic structural view of a collection assembly of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-treatment tank, 2-buffer partition, 3-filtering partition, 4-oxidant storage tank, 5-spray tray, 6-sewage inlet pipe, 7-water return pipe, 8-three-way valve, 9-water return pipeline, 10-booster pump, 11-blower, 12-air blowing tray, 13-filler, 14-aggregate motor, 15-aggregate component, 151-rotating shaft, 152-supporting plate, 153-mounting bar, 154-scraping brush, 155-pressing screw blade and 16-aggregate pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is a town sewage advanced oxidation treatment method, which is realized based on a town sewage advanced oxidation treatment device:
as shown in fig. 1-4, the advanced oxidation treatment device for town sewage comprises a treatment tank 1, a buffer clapboard 2 and a filtering clapboard 3 positioned below the buffer clapboard are arranged in the treatment tank 1, an oxidant storage tank 4 is fixed on the top plate of the treatment tank 1, and the oxidant storage tank 4 is connected with a spray tray 5 positioned above the buffer clapboard 2 through a conveying pipe. A sewage inlet pipe 6 and a water return pipe 7 are respectively arranged on two sides of the area above the buffering partition plate 2, the water return pipe 7 is connected with an outlet pipe of a three-way valve 8 through a water return pipeline 9 with a booster pump 10, the other outlet pipe of the three-way valve 8, which is positioned outside the treatment box 1, is used as a drain pipe, and the three-way valve 8 extends into an inlet pipe in the treatment box 1 to be communicated with the area below the filtering partition plate.
In this embodiment, the buffering partition board 2 is a hollow board, and a plurality of flow guiding holes are uniformly distributed on a board body of the buffering partition board, and the diameter of each flow guiding hole is 1-3 cm. The filtering baffle 3 is in a frustum structure with a wide upper part and a narrow lower part, filtering holes are uniformly distributed on a plate body, and the aperture of each filtering hole is 0.1-1 mm.
In this embodiment, an air blower 11 is fixed on the outer wall of the treatment box 1, an output pipe of the air blower 11 is connected with an air blowing disc 12 positioned between the buffer partition plate 2 and the filtering partition plate 3, and the bottom side of the air blowing disc 12 is fixedly connected with the inner wall of the treatment box 1 through a plurality of supports which are circumferentially distributed. The treatment box 1 is fixed with a filler 13 between the blast disc 12 and the buffer clapboard 2, and the filler 13 is a disk-shaped wire mesh filler formed by arranging a plurality of parallel and straight-line metal corrugated net sheets.
In this embodiment, a material collecting pipe 16 penetrating through the bottom plate of the treatment tank is fixed at the center of the filtering partition plate 3, a material collecting motor 14 is fixed on the lower side of the air blowing disc 12 and located right above the material collecting pipe 16, a waterproof box is wrapped outside the material collecting motor, and the material collecting motor 14 is driven by a material collecting component 15 used for transferring sediment on the filtering partition plate 3 to the material collecting pipe 16.
In this embodiment, the aggregate unit 15 includes a rotating shaft 151, a supporting plate 152, a mounting bar 153, a scraping brush 154 and a pressing screw 155, the top end of the rotating shaft 151 is fixedly connected with the output shaft of the aggregate motor 14 through a shaft coupling, the mounting bar 153 is fixedly supported on the outer side of the upper shaft body of the rotating shaft 151 through the supporting plate 152, the scraping brush 154 capable of being attached to the inner surface of the filtering partition plate 3 is mounted on the mounting bar 153, and the pressing screw 155 is fixed on the outer side of the lower shaft body of the rotating shaft 151. The rotating shaft 151, the support plate 152, and the mounting bar 153 are fixed by welding, and the wiper 154 is made of an abrasion-resistant rubber plate. The lower pressing screw blade 155 is completely hidden in the part of the material collecting pipe 16 positioned in the treatment box 1, the outer diameter of the lower pressing screw blade 155 is 0.5-1cm smaller than the inner diameter of the material collecting pipe 16, so that the compression and drainage of intercepted substances are facilitated, and a manual or electric control opening valve is arranged on the part of the material collecting pipe 16 positioned outside the treatment box 1.
The advanced oxidation treatment method of town sewage comprises the following steps:
1) closing the drain pipe of the three-way valve 8, simultaneously opening the delivery pipes of the sewage inlet pipe 6 and the oxidant storage tank 4 until the liquid in the treatment tank 1 completely overflows the filler 13, and closing the delivery pipes of the sewage inlet pipe 6 and the oxidant storage tank 4;
2) starting the air blower 11 and the material collecting motor 14, wherein the air blower 11 carries out aeration through the air blowing disc 12, the material collecting motor 14 drives the material collecting assembly 15 to work, and sediment on the filtering partition plate 3 is transferred to the material collecting pipe 16;
3) an outlet pipe of the three-way valve 8 connected with the water return pipeline 9 is opened, and a booster pump 10 is started to carry out a water return repeated oxidation process;
4) after a period of time, the booster pump 10 is closed, the drain pipe of the three-way valve 8 is opened to drain, and after the drainage is finished, one-time treatment operation is finished.
The above steps are repeated to realize the intermittent sewage oxidation treatment.
The advanced oxidation treatment method for town sewage provided by the embodiment is scientific and reasonable in design, and on one hand, after pollutants dissolved in water are oxidized into substances which are insoluble in water and easy to separate from the water, the substances can be quickly intercepted and collected, so that the substances are prevented from being easily re-dissolved in the follow-up process; on the other hand, an intermittent treatment mode is adopted, so that the concentration of the fed strong oxidant can be controlled, and the oxidation effect can be guaranteed.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A town sewage advanced oxidation treatment method is realized based on a town sewage advanced oxidation treatment device, and is characterized in that:
the advanced oxidation treatment device for urban sewage comprises a treatment box, wherein a buffer baffle and a filtering baffle positioned below the buffer baffle are arranged in the treatment box, an oxidant storage box is fixed on a top plate of the treatment box, the oxidant storage box is connected with a spray tray positioned above the buffer baffle through a conveying pipe, a sewage inlet pipe and a water return pipe are respectively arranged on two sides of the upper area of the buffer baffle, the water return pipe is connected with an outlet pipe of a three-way valve through a water return pipeline with a booster pump, the other outlet pipe of the three-way valve is used as a drain pipe, an inlet pipe of the three-way valve is communicated with the lower area of the filtering baffle, an air blower is fixed on the outer wall of the treatment box, an output pipe of the air blower is connected with an air blast tray positioned between the buffer baffle and the filtering baffle, a filler is fixed between the air blast tray and the buffer baffle of the treatment box, and a material collecting pipe penetrating through the bottom plate of the treatment box is fixed at the center of the filtering baffle, an aggregate motor is fixed on the lower side of the blast disc and is positioned right above the aggregate pipe, and the aggregate motor drives an aggregate assembly for transferring the sediment on the filtering partition plate to the aggregate pipe;
the method comprises the following steps:
1) closing the drain pipe of the three-way valve, simultaneously opening the delivery pipes of the sewage inlet pipe and the oxidant storage tank until the liquid in the treatment tank completely overflows the filler, and closing the delivery pipes of the sewage inlet pipe and the oxidant storage tank;
2) starting an air blower and an aggregate motor, wherein the air blower performs aeration through an air blowing disc, the aggregate motor drives an aggregate assembly to work, and precipitates on a filtering partition plate are transferred to a material collecting pipe;
3) opening an outlet pipe connected with the three-way valve and the water return pipe, and starting the booster pump to perform a water return repeated oxidation process;
4) and after the operation lasts for a period of time, the booster pump is closed, the drain pipe of the three-way valve is opened to drain, after the drainage is finished, one-time treatment operation is finished, and the intermittent sewage oxidation treatment can be realized by repeating the steps.
2. The advanced oxidation treatment method for town sewage according to claim 1, wherein: the buffer baffle is a hollow plate, a plurality of flow guide holes are uniformly distributed on the plate body, and the diameter of each flow guide hole is 1-3 cm.
3. The advanced oxidation treatment method for town sewage according to claim 1, wherein: the filtering baffle is of a frustum structure with a wide upper part and a narrow lower part, filtering holes are uniformly distributed on a plate body, and the aperture of each filtering hole is 0.1-1 mm.
4. The advanced oxidation treatment method for town sewage according to claim 3, wherein: the subassembly that gathers materials includes pivot, backup pad, mounting bar, scrapes the brush and pushes down the spiral shell leaf, the top of pivot links firmly through the output shaft of shaft coupling and the motor that gathers materials, the upper portion axis body outside of pivot has the mounting bar through backup pad fixed support, install on the mounting bar can with the laminating of filtering baffle internal surface scrape the brush, the lower part axis body outside of pivot is fixed with and pushes down the spiral shell leaf.
5. The advanced oxidation treatment method for town sewage according to claim 4, wherein: the rotating shaft, the supporting plate and the mounting bar are fixed through welding, and the scraping brush is made of a wear-resistant rubber plate.
6. The advanced oxidation treatment method for town sewage according to claim 4, wherein: the pressing screw blade is completely hidden in the part of the material collecting pipe in the processing box.
7. The advanced oxidation treatment method for town sewage according to claim 6, wherein: and a manual or electric control opening valve is arranged on the part of the material collecting pipe outside the treatment box.
8. The advanced oxidation treatment method for town sewage according to claim 1, wherein: the bottom side of the air blowing disc is fixedly connected with the inner wall of the treatment box through a plurality of supports which are distributed in the circumferential direction.
9. The advanced oxidation treatment method for town sewage according to claim 1, wherein: the filler is a disc-shaped wire mesh filler formed by arranging a plurality of parallel and straight-line metal corrugated net sheets.
10. The advanced oxidation treatment method for town sewage according to claim 1, wherein: the outer side of the aggregate motor is coated with a waterproof box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210148890.5A CN114477416A (en) | 2022-02-18 | 2022-02-18 | Advanced oxidation treatment method for town sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210148890.5A CN114477416A (en) | 2022-02-18 | 2022-02-18 | Advanced oxidation treatment method for town sewage |
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| Publication Number | Publication Date |
|---|---|
| CN114477416A true CN114477416A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210148890.5A Pending CN114477416A (en) | 2022-02-18 | 2022-02-18 | Advanced oxidation treatment method for town sewage |
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Citations (8)
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| CN213623683U (en) * | 2020-07-21 | 2021-07-06 | 上海立源生态工程有限公司 | Advanced oxidation treatment device for town sewage |
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-
2022
- 2022-02-18 CN CN202210148890.5A patent/CN114477416A/en active Pending
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|---|---|---|---|---|
| JP2000061474A (en) * | 1998-08-25 | 2000-02-29 | Mitsubishi Heavy Ind Ltd | Treatment of harmful substance and device therefor |
| CN101306894A (en) * | 2008-06-25 | 2008-11-19 | 北京建工环境修复有限责任公司 | Process for treating waste water for car wash and equipment |
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