CN213141677U - Device for treating phosphorus-containing wastewater by combining Fenton oxidation method with air floatation method - Google Patents
Device for treating phosphorus-containing wastewater by combining Fenton oxidation method with air floatation method Download PDFInfo
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- CN213141677U CN213141677U CN202022011184.5U CN202022011184U CN213141677U CN 213141677 U CN213141677 U CN 213141677U CN 202022011184 U CN202022011184 U CN 202022011184U CN 213141677 U CN213141677 U CN 213141677U
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Abstract
The utility model discloses a device for treating phosphorus-containing wastewater by combining a Fenton oxidation method with an air floatation method, which comprises a Fenton oxidation tank; the buffer tank, the dissolved air tank, the air flotation treatment tank and the water purification tank are sequentially communicated with the Fenton oxidation tank; a Fenton oxidation cylinder is arranged in the Fenton oxidation pond; the Fenton oxidation cylinder divides the Fenton oxidation pond into a Fenton oxidation treatment area and a pH adjusting area; a plurality of guide plates are arranged on the inner wall of the Fenton oxidation cylinder; catalyst layers are arranged on the inner wall of the Fenton oxidation cylinder and the guide plate; a slag discharge hopper is arranged at the upper part of the air floatation treatment tank; and a slag discharge pipe is arranged at the lower part of the slag discharge hopper. The device can effectively remove pollutants in the phosphorus-containing wastewater, has no secondary pollution to water, and has simple structure, simple operation and convenient maintenance.
Description
Technical Field
The utility model relates to a water treatment field, concretely relates to device that phosphorus wastewater was handled to fenton oxidation method in combination with air float process.
Background
The phosphorus-containing wastewater is from industrial production such as chemical industry, pharmaceutical industry and fertilizer loss. Phosphorus is a key nutrient causing eutrophication of water bodies. Once eutrophication occurs, a large number of aquatic organisms die due to oxygen deficiency, and the dead aquatic organisms need oxygen for decomposition, so that vicious circulation is realized until the oxygen in the water body is consumed. Finally, the natural water body becomes black and odorous water body.
The fenton oxidation method is a wastewater treatment method in which a fenton reagent is added to wastewater and a catalyst is added to perform chemical oxidation; the principle of the air flotation method, also called flotation, is to make the water generate a large amount of micro-bubbles to form a three-phase mixture of water, air and the removed substance, and promote the micro-bubbles to adhere to the removed micro-oil drops under the combined action of a plurality of forces such as interfacial tension, bubble rising buoyancy and hydrostatic pressure difference, and then the micro-bubbles float to the water surface because the density of the adhesive is less than that of the water, so that the oil particles in the water are separated and removed.
In the existing device for treating the phosphorus-containing wastewater, the catalyst is easy to precipitate in the wastewater, so that the treatment effect of the wastewater is influenced; and the top of the air floatation treatment device needs to be provided with a slag scraping device, so that the structure of the wastewater treatment device is more complex.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the device for treating the phosphorus-containing wastewater by combining the Fenton oxidation method with the air floatation method is provided, the device can effectively remove pollutants in the phosphorus-containing wastewater, has no secondary pollution to a water body, and is simple in structure, simple in operation and convenient to maintain.
In order to solve the technical problem, the technical scheme of the utility model is that:
a device for treating phosphorus-containing wastewater by combining a Fenton oxidation method with an air floatation method comprises a Fenton oxidation tank; the buffer tank, the dissolved air tank, the air flotation treatment tank and the water purification tank are sequentially communicated with the Fenton oxidation tank;
a Fenton oxidation cylinder is arranged in the Fenton oxidation pond; the Fenton oxidation cylinder divides the Fenton oxidation pond into a Fenton oxidation treatment area and a pH adjusting area; a plurality of guide plates are arranged on the inner wall of the Fenton oxidation cylinder; catalyst layers are arranged on the inner wall of the Fenton oxidation cylinder and the guide plate;
a slag discharge hopper is arranged at the upper part of the air floatation treatment tank; and a slag discharge pipe is arranged at the lower part of the slag discharge hopper.
As an improvement of the technical scheme, a plurality of baffle plates are arranged on the inner wall of the Fenton oxidation pond.
As the improvement of the technical scheme, a pH monitor is arranged on the Fenton oxidation pond.
Preferably, the pH adjusting area of the fenton oxidation pond is provided with a fenton reagent inlet, an acid liquid inlet and a wastewater inlet.
Preferably, in the above technical solution, a plurality of water inlets are provided at the lower part of the fenton oxidation cylinder; a water outlet is formed in the upper part of the Fenton oxidation cylinder; the water outlet is communicated with the buffer pool.
As an improvement of the technical scheme, a stirring shaft is arranged in the buffer pool; a plurality of stirring blades are arranged on the stirring shaft; one end of the stirring shaft is connected with the inner wall of the buffer pool through a bearing seat; the other end of the stirring shaft is electrically connected with a motor arranged on the side of the buffer pool; the motor is fixed through the motor frame.
Preferably, the upper end of the buffer tank is provided with an alkali liquor inlet and a flocculating agent inlet; the alkali liquor inlet and the flocculant inlet are respectively communicated with an alkali liquor storage tank and a flocculant storage tank.
Preferably, the gas dissolving pool is communicated with an air compression tank through a gas pipe; and a plurality of air outlet holes are formed in one end of the air conveying pipe extending into the air dissolving pool.
Preferably, the gas dissolving pool is further provided with a pressure gauge.
Preferably, the air floatation treatment tank is communicated with the dissolved air tank through a feed pipe; and a releaser is arranged at one end of the feeding pipe extending into the air floatation treatment tank.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model provides a device for treating phosphorus-containing wastewater by combining a Fenton oxidation method and an air floatation method, which comprises a Fenton oxidation tank; a buffer tank, a dissolved air tank, an air floatation treatment tank and a clean water tank which are sequentially communicated with the Fenton oxidation tank; the device adopts Fenton oxidation combined with air floatation to treat the phosphorus-containing wastewater, and has good effect. A Fenton oxidation cylinder is arranged in the Fenton oxidation pond; the Fenton oxidation cylinder divides the Fenton oxidation tank into a Fenton oxidation treatment area and a pH adjusting area; the wastewater, the Fenton reagent and the acid liquor enter a pH adjusting area to be mixed and then enter a Fenton oxidation cylinder for treatment; a plurality of guide plates are arranged on the inner wall of the Fenton oxidation cylinder; catalyst layers are arranged on the inner wall of the Fenton oxidation cylinder and the guide plate; during the fenton oxidation treatment, the guide plate can effectively shunt the waste water and fully contact with the catalyst layer, and the effective oxidation degradation treatment is carried out under the catalysis of the catalyst. A slag discharge hopper is arranged at the upper part of the air floatation treatment tank; the lower part of the slag discharging hopper is provided with a slag discharging pipe. The flocculating constituent in the air floatation tank floats upwards and can fall into the slag discharging hopper when being piled up to a certain height and is discharged by the inclined slag discharging pipe, so that the use of a slag scraping machine is omitted, and the structure of the wastewater treatment device is simpler.
In the device, a plurality of baffle plates are arranged on the inner wall of the Fenton oxidation pond; so that the Fenton reagent, the acid liquid and the wastewater are fully mixed and dissolved in the pH adjusting area. A pH monitor is arranged on the Fenton oxidation pond; the pH value in the Fenton oxidation pond can be effectively monitored; the lower part of the Fenton oxidation cylinder is provided with a plurality of water inlet holes; a water outlet is formed in the upper part of the Fenton oxidation cylinder; the water outlet is communicated with the buffer pool. The wastewater after the buffering and mixing of the pH adjusting area enters the Fenton oxidation cylinder from the water inlet hole for degradation treatment.
In the device, a stirring shaft is arranged in a buffer pool; a plurality of stirring blades are arranged on the stirring shaft; the stirring shaft rotates to drive the stirring blades to effectively stir the wastewater, the flocculating agent and the alkali liquor in the buffer tank; so that the flocculating agent is fully contacted with the organic pollutants in the wastewater for complexing and precipitation, and the wastewater treatment efficiency is improved. The upper end of the buffer tank is provided with an alkali liquor inlet and a flocculating agent inlet; the alkali liquor inlet and the flocculant inlet are respectively communicated with an alkali liquor storage tank and a flocculant storage tank.
In the device, the air dissolving pool is communicated with an air compression tank through an air conveying pipe; one end of the gas pipe extending into the gas dissolving pool is provided with a plurality of gas outlet holes. The gas dissolving pool is also provided with a pressure gauge. The gas can be fully dissolved in the waste water under certain pressure; the air floatation treatment tank is communicated with the dissolved air tank through a feeding pipe; and a releaser is arranged at one end of the feeding pipe extending into the air floatation treatment tank. Dissolved air water enters the air floatation treatment tank through the releaser, the pressure is changed into normal pressure, the gas in the dissolved air water is released, and bubbles float upwards and adhere to a flocculating constituent together, so that the flocculating constituent floats upwards and falls into the slag discharge hopper to be discharged when floating to a certain height.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a Fenton oxidation pond according to an embodiment of the present invention;
FIG. 3 is a top view of a Fenton oxidation cartridge;
in the figure, 1, a Fenton oxidation pond; 2. a buffer pool; 3. a dissolved air pool; 4. an air floatation treatment tank; 5. a clear water tank; 6. a Fenton oxidation cylinder; 101. a Fenton oxidation treatment area; a pH adjustment zone; 7. a baffle; 8. a catalyst layer; 9. a baffle plate; a pH monitor; 11. a Fenton reagent inlet; 12. an acid liquor inlet; 13. a wastewater inlet; 14. a water inlet hole; 15. a water outlet; 16. a slag discharge hopper; 17. a slag discharge pipe; 18. a feed pipe; 19. a releaser; 20. a gas delivery pipe; 21. an air compression tank; 22. a pressure gauge; 23. a stirring shaft; 24. a stirring blade; 25. a bearing seat; 26. a motor; 27. a motor frame; 28. an alkali liquor inlet; 29. a flocculant inlet; 30. an alkali liquor storage tank; 31. a flocculant storage tank.
Detailed Description
The invention is further explained below with reference to the drawings and examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1, 2 and 3, the device for treating phosphorus-containing wastewater by combining the fenton oxidation method with the air floatation method comprises a fenton oxidation tank 1; a buffer tank 2, an air dissolving tank 3, an air floating treatment tank 4 and a water purifying tank 5 which are sequentially communicated with the Fenton oxidation tank 1; the Fenton oxidation method is combined with the air floatation method to treat the phosphorus-containing wastewater, and the effect is good.
A Fenton oxidation cylinder 6 is arranged in the Fenton oxidation pond 1; the Fenton oxidation cylinder 6 divides the Fenton oxidation pond 1 into a Fenton oxidation treatment area 101 and a pH adjusting area 102; a plurality of guide plates 7 are arranged on the inner wall of the Fenton oxidation cylinder 6; catalyst layers 8 are arranged on the inner wall of the Fenton oxidation cylinder 6 and the guide plate 7; when the wastewater is treated, the wastewater, the Fenton reagent and the acid liquor enter a pH adjusting area to be mixed and then enter a Fenton oxidation cylinder for treatment; during the fenton oxidation treatment, the guide plate can effectively shunt the waste water and fully contact with the catalyst layer, and the effective oxidation degradation treatment is carried out under the catalysis of the catalyst.
Furthermore, a plurality of baffle plates 9 are arranged on the inner wall of the Fenton oxidation pond 1. A pH monitor 10 is arranged on the Fenton oxidation pond 1; the pH of the wastewater in the Fenton oxidation pond can be effectively monitored; the baffle plate can improve the full mixing of the wastewater, the Fenton reagent and the acid liquor. The pH adjusting area 102 of the Fenton oxidation pond 1 is provided with a Fenton reagent inlet 11, an acid liquor inlet 12 and a wastewater inlet 13; the lower part of the Fenton oxidation cylinder 6 is provided with a plurality of water inlet holes 14. The wastewater, the Fenton reagent and the acid liquor enter a pH adjusting area to be fully mixed and then enter a Fenton oxidation cylinder through a water inlet hole to be subjected to Fenton oxidation treatment; a water outlet 15 is formed in the upper part of the Fenton oxidation cylinder 6; the water outlet 15 is communicated with the buffer pool 2. And discharging the wastewater subjected to the Fenton oxidation treatment from a water outlet, and allowing the wastewater to enter a buffer tank for further treatment.
In this embodiment, a slag discharge hopper 16 is arranged at the upper part of the air floatation treatment tank 4; the lower part of the slag discharging hopper 16 is provided with a slag discharging pipe 17. The flocculating constituent in the air floatation tank floats upwards and can fall into the slag discharging hopper when being piled up to a certain height and is discharged by the inclined slag discharging pipe, so that the use of a slag scraping machine is omitted, and the structure of the wastewater treatment device is simpler. The air floatation treatment tank 4 is communicated with the dissolved air tank 3 through a feed pipe 18; a releaser 19 is arranged at one end of the feed pipe 18 extending into the air floatation treatment tank 4. When the wastewater is released, the pressure is changed into normal pressure, and the gas dissolved in the wastewater is released; the bubbles adhere to the flocculating constituent when floating upwards, so that the flocculating constituent floats upwards and falls into the slag discharge hopper to be discharged when floating upwards to a certain height.
In this embodiment, the gas dissolving tank 3 is communicated with an air compression tank 21 through a gas pipe 20; one end of the air delivery pipe 20 extending into the air dissolving pool 3 is provided with a plurality of air outlet holes (not shown in the figure). The gas dissolving pool 3 is also provided with a pressure gauge 22. The gas can be fully dissolved in the waste water under a certain pressure to prepare the gas-dissolved water.
In this embodiment, a stirring shaft 23 is arranged in the buffer tank 2; a plurality of stirring blades 24 are arranged on the stirring shaft 23; one end of the stirring shaft 23 is connected with the inner wall of the buffer pool 2 through a bearing seat 25; the other end of the stirring shaft 23 is electrically connected with a motor 26 arranged on the side of the buffer pool 2; the motor 26 is fixed by a motor bracket 27. The (mixing) shaft rotates and drives stirring vane and effectively stirs the waste water in the buffer pool for organic pollutant in flocculating agent and the waste water fully contacts the complex and deposits, improves waste water treatment efficiency.
Further, an alkali liquor inlet 28 and a flocculating agent inlet 29 are arranged at the upper end of the buffer tank 2; the alkali liquor inlet 28 and the flocculating agent inlet 29 are respectively communicated with an alkali liquor storage tank 30 and a flocculating agent storage tank 31.
To sum up, the utility model provides a pollutant in the waste water can effectively be detached to the device, does not have secondary pollution to the water, simple structure, convenient operation.
Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (10)
1. A device for treating phosphorus-containing wastewater by combining a Fenton oxidation method with an air floatation method is characterized in that: comprises a Fenton oxidation pond; the buffer tank, the dissolved air tank, the air flotation treatment tank and the water purification tank are sequentially communicated with the Fenton oxidation tank;
a Fenton oxidation cylinder is arranged in the Fenton oxidation pond; the Fenton oxidation cylinder divides the Fenton oxidation pond into a Fenton oxidation treatment area and a pH adjusting area; a plurality of guide plates are arranged on the inner wall of the Fenton oxidation cylinder; catalyst layers are arranged on the inner wall of the Fenton oxidation cylinder and the guide plate;
a slag discharge hopper is arranged at the upper part of the air floatation treatment tank; and a slag discharge pipe is arranged at the lower part of the slag discharge hopper.
2. The apparatus for treating phosphorus-containing wastewater by a Fenton oxidation method in combination with an air flotation method according to claim 1, wherein: and a plurality of baffle plates are arranged on the inner wall of the Fenton oxidation pond.
3. The apparatus for treating phosphorus-containing wastewater by a Fenton oxidation method in combination with an air flotation method according to claim 1, wherein: and a pH monitor is arranged on the Fenton oxidation pond.
4. The apparatus for treating phosphorus-containing wastewater by a Fenton oxidation method in combination with an air flotation method according to claim 1, wherein: and the pH adjusting area of the Fenton oxidation pond is provided with a Fenton reagent inlet, an acid liquor inlet and a wastewater inlet.
5. The apparatus for treating phosphorus-containing wastewater by a Fenton oxidation method in combination with an air flotation method according to claim 1, wherein: the lower part of the Fenton oxidation cylinder is provided with a plurality of water inlet holes; a water outlet is formed in the upper part of the Fenton oxidation cylinder; the water outlet is communicated with the buffer pool.
6. The apparatus for treating phosphorus-containing wastewater by a Fenton oxidation method in combination with an air flotation method according to claim 1, wherein: a stirring shaft is arranged in the buffer pool; a plurality of stirring blades are arranged on the stirring shaft; one end of the stirring shaft is connected with the inner wall of the buffer pool through a bearing seat; the other end of the stirring shaft is electrically connected with a motor arranged on the side of the buffer pool; the motor is fixed through the motor frame.
7. The apparatus for treating phosphorus-containing wastewater by a Fenton oxidation method in combination with an air flotation method according to claim 1, wherein: the upper end of the buffer tank is provided with an alkali liquor inlet and a flocculating agent inlet; the alkali liquor inlet and the flocculant inlet are respectively communicated with an alkali liquor storage tank and a flocculant storage tank.
8. The apparatus for treating phosphorus-containing wastewater by a Fenton oxidation method in combination with an air flotation method according to claim 1, wherein: the gas dissolving pool is communicated with an air compression tank through a gas transmission pipe; and a plurality of air outlet holes are formed in one end of the air conveying pipe extending into the air dissolving pool.
9. The apparatus for treating phosphorus-containing wastewater by a Fenton oxidation method in combination with an air flotation method according to claim 1, wherein: and a pressure gauge is also arranged on the gas dissolving pool.
10. The apparatus for treating phosphorus-containing wastewater by a Fenton oxidation method in combination with an air flotation method according to claim 1, wherein: the air floatation treatment tank is communicated with the dissolved air tank through a feed pipe; and a releaser is arranged at one end of the feeding pipe extending into the air floatation treatment tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022011184.5U CN213141677U (en) | 2020-09-15 | 2020-09-15 | Device for treating phosphorus-containing wastewater by combining Fenton oxidation method with air floatation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022011184.5U CN213141677U (en) | 2020-09-15 | 2020-09-15 | Device for treating phosphorus-containing wastewater by combining Fenton oxidation method with air floatation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860586A (en) * | 2021-09-30 | 2021-12-31 | 中新联科环境科技(安徽)有限公司 | Dyeing wastewater collection treatment system and wastewater collection pool thereof |
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2020
- 2020-09-15 CN CN202022011184.5U patent/CN213141677U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860586A (en) * | 2021-09-30 | 2021-12-31 | 中新联科环境科技(安徽)有限公司 | Dyeing wastewater collection treatment system and wastewater collection pool thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211015 Address after: 261021 No. 23 Shengli Branch Road, Weicheng District, Weifang City, Shandong Province Patentee after: Shandong Xinxing architectural planning and Design Institute Address before: 261045 11-4-505, Junlong garden, 200m south of Baotong street intersection, Beihai Road, high tech Zone, Weifang City, Shandong Province Patentee before: Tang Jun |
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| TR01 | Transfer of patent right |