CN210885400U - Flotation device for sewage treatment - Google Patents
Flotation device for sewage treatment Download PDFInfo
- Publication number
- CN210885400U CN210885400U CN201921847359.7U CN201921847359U CN210885400U CN 210885400 U CN210885400 U CN 210885400U CN 201921847359 U CN201921847359 U CN 201921847359U CN 210885400 U CN210885400 U CN 210885400U
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- China
- Prior art keywords
- water
- air
- area
- flotation
- inlet
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- 238000005188 flotation Methods 0.000 title claims abstract description 55
- 239000010865 sewage Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 238000005192 partition Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 2
- 239000003814 drug Substances 0.000 abstract description 9
- 230000008676 import Effects 0.000 abstract description 7
- 239000013049 sediment Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000008394 flocculating agent Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a flotation device for sewage treatment, including the flotation cell, dissolve gas device and scrape the sediment device, be equipped with into water in the flotation cell in proper order and add the medicine district, dissolve the gas water district, air supporting district and clear water district, it is located the upper portion in air supporting district to scrape the sediment device, it is equipped with first baffle to enter between medicine district and the air supporting district, first baffle bottom is equipped with first import, be equipped with the second baffle between air supporting district and the air supporting district, the second import is established at the top of second baffle, be equipped with the dross baffle between air supporting district and the clear water district, the third import in bottom of dross baffle, the top of dross baffle is connected with the dross storehouse, one side in flotation cell is equipped with the drainage pond, the top in flotation cell is equipped with the fourth import; the air dissolving device comprises an air dissolving pump, an air dissolving cylinder and a water distributor, one end of the air dissolving pump is connected with an inlet pipe of the air dissolving pump, the other end of the air dissolving pump is connected with the air dissolving cylinder through a pipeline, the air dissolving cylinder is connected with the water distributor, and the water distributor is arranged at the bottom of an air dissolving water area. The utility model discloses compact structure, flotation effect is good.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to flotation device for sewage treatment.
Background
Industrial wastewater refers to wastewater, sewage and waste liquid generated in industrial production, air floatation is usually applied to physicochemical treatment and suspended matter procedures at the front section of the process in a sewage treatment process, the effect of the air floatation is to remove suspended matters in the wastewater, the working principle is to wrap fine bubbles in dissolved air on the surface of the fine suspended matters so that the suspended matters float upwards, and a slag scraping device is utilized to collect the suspended matters, but in the air floatation process, part of silt can sink at the bottom of an air floatation tank, and the silt is accumulated at the bottom of the air floatation tank for a long time and can influence the water quality of the floated water. Therefore, a flotation device for sewage treatment capable of solving the existing problems is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flotation device for sewage treatment to the not enough of prior art.
The utility model provides a following technical scheme:
a flotation device for sewage treatment comprises a flotation tank, a dissolved air device and a slag scraping device, wherein a water feeding and dosing area, a dissolved air and water area, an air flotation area and a clear water area are sequentially arranged in the flotation tank from left to right, the slag scraping device is positioned on the upper portion of the air flotation area, one side of the water feeding and dosing area is provided with a water inlet pipe, the top of the water feeding and dosing area is provided with a dosing pipe, a first partition plate is arranged between the water feeding and dosing area and the air flotation area, the bottom of the first partition plate is provided with a floating slag partition plate which is communicated with the water feeding and dosing area and the air flotation area, a second partition plate is arranged between the water feeding and dosing area and the air flotation area, the top of the second partition plate is provided with a second inlet which is communicated with the dissolved air and water area, a floating slag partition plate is arranged between the air flotation area and the clear water area, the bottom of the floating slag partition plate is provided with a third inlet which is communicated with the air flotation area and the clear water area, the top of the scum partition board is connected with a scum bin, the upper end of one side of the flotation tank is provided with a drainage tank, the top of the flotation tank is provided with a fourth inlet communicated with the clear water area and the drainage tank, and the lower end of the drainage tank is provided with a drainage pipe; the air dissolving device comprises an air dissolving pump, an air dissolving cylinder and a water distributor, one end of the air dissolving pump is connected with an air dissolving pump water inlet pipe, an inlet of the air dissolving pump water inlet pipe is communicated with the clear water area, the other end of the air dissolving pump is connected with the air dissolving cylinder through a pipeline, the air dissolving cylinder is connected with the water distributor, and the water distributor is arranged at the bottom of the air dissolving water area.
Preferably, be equipped with agitating unit in the medicine district that adds into water, agitating unit includes the pivot, the pivot is even send with stirring motor, be equipped with spiral stirring leaf in the pivot.
Preferably, the bottom of the water inlet dosing area and the bottom of the dissolved gas-water area are provided with inclined guide plates, and the lower end of one side of the water inlet dosing area is provided with a mud outlet pipe.
Preferably, a filter screen is arranged at the third inlet, and a cobble layer is arranged at the bottom of the clean water area.
Preferably, the height of the cobble layer is greater than that of the filter screen, and the height of the inlet of the air dissolving pump water inlet pipe is greater than that of the cobble layer.
Preferably, the bottom of the air flotation area is provided with a plurality of mud hoppers, the lower parts of the mud hoppers are provided with mud discharge ports, and the second inlet is also provided with a mud discharge port.
The utility model has the advantages that:
the utility model provides a flotation device for sewage treatment, the device compact structure, flotation is effectual, the flotation tank is equipped with into water in proper order and adds the medicine district, dissolve gas water district, air supporting district and clear water district, in the use, sewage enters into water and adds the medicine district, and throw flocculating agent etc. then sewage enters into from first import and dissolves gas water district, the dissolved gas water that the water-locator discharged fully mixes with sewage, overflow to the air supporting district through the second import again, scrape the sediment device and scrape the dross and discharge to the dross storehouse in, the water in air supporting district enters into the clear water district through the third export, after filtering through filter screen and cobblestone layer, clear water at clear water district top can enter into the drainage tank through the fourth import; the utility model is provided with a stirring device in the water feeding and chemical adding area, which can make the sewage and the flocculating agent mixed more uniformly; the utility model discloses still be equipped with the baffle bottom intaking with the medicine zone and dissolving the gas water zone, be equipped with the bagger bottom the air supporting district, all help precipitating the discharge of silt in sewage.
Drawings
The accompanying drawings are included to provide a further understanding and description of the invention.
Fig. 1 is a schematic structural diagram of the present invention.
Labeled as: 1. a flotation tank; 2. a slag scraping device; 3. a water inlet dosing area; 4. a dissolved air-water zone; 5. an air flotation zone; 6. a clear water zone; 7. a water inlet pipe; 8. a medicine feeding pipe; 9. a first separator; 10. a first inlet; 11. a second separator; 12. a second inlet; 13. a scum baffle; 14. a third inlet; 15. a scum bin; 16. a drainage basin; 17. a fourth inlet; 18. a drain pipe; 19. a dissolved air pump; 20. a gas dissolving cylinder; 21. a water distributor; 22. a water inlet pipe of the dissolved air pump; 23. a rotating shaft; 24. a stirring motor; 25. a spiral stirring blade; 26. a guide plate; 27. a mud outlet pipe; 28. a filter screen; 29. a cobble layer; 30. a sludge discharge port.
Detailed Description
As shown in fig. 1, a flotation device for sewage treatment, including flotation cell 1, dissolve the gas device and scrape sediment device 2, it adds the medicine district 3 to be equipped with into water from left to right in proper order in flotation cell 1, dissolve gas water district 4, air supporting district 5 and clear water district 6, it is located the upper portion in air supporting district 5 to scrape sediment device 2, it is equipped with agitating unit in the medicine district 3 to add into water, agitating unit includes pivot 23, pivot 23 is sent out with agitator motor 24 mutually, be equipped with spiral stirring leaf 25 on the pivot 23, agitating unit's setting can be so that sewage and flocculating agent mixedly ground are more even.
A water inlet pipe 7 is arranged at one side of the water inlet dosing region 3, a dosing pipe 8 is arranged at the top of the water inlet dosing region 3, a first partition plate 9 is arranged between the water inlet dosing region 3 and the gas-dissolved water region 4, a first inlet 10 communicated with the water inlet dosing region 3 and the gas-dissolved water region 4 is arranged at the bottom of the first partition plate 9, a second partition plate 11 is arranged between the gas-dissolved water region 4 and the gas floating region 5, a second inlet 12 communicated with the gas-dissolved water region 4 and the gas floating region 5 is arranged at the top of the second partition plate 11, a scum partition plate 13 is arranged between the gas floating region 5 and the clear water region 6, a third inlet 14 communicated with the gas floating region 5 and the clear water region 6 is arranged at the bottom of the scum partition plate 13, a scum bin 15 is connected to the top of the scum partition plate 13, a filter screen 28 is arranged at the third inlet 14, a cobble layer 29 is arranged at the bottom of the clear water region 6, the cobble layer 29 is higher than the filter screen 28, a drainage pool 16 is, the top of the flotation tank 1 is provided with a fourth inlet 17 communicating the clean water area 6 with the drainage tank 16, and the lower end of the drainage tank 16 is provided with a drainage pipe 18.
In order to promote the discharge of silt and the like precipitated in sewage, the bottoms of the water inlet dosing zone 3 and the dissolved air water zone 4 are provided with inclined guide plates 26, the lower end of one side of the water inlet dosing zone 3 is provided with a mud outlet pipe 27, the bottom of the air floatation zone 5 is provided with a plurality of mud hoppers, the lower parts of the mud hoppers are provided with mud outlets 30, and the second inlet 12 is also provided with a mud outlet 30.
The air dissolving device comprises an air dissolving pump 19, an air dissolving cylinder 20 and a water distributor 21, one end of the air dissolving pump 19 is connected with an air dissolving pump water inlet pipe 22, an inlet of the air dissolving pump water inlet pipe 22 is communicated with the clear water area 6, the height of the inlet of the air dissolving pump water inlet pipe 22 is larger than that of the cobble layer 29, the other end of the air dissolving pump 19 is connected with the air dissolving cylinder 20 through a pipeline, the air dissolving cylinder 20 is connected with the water distributor 21, and the water distributor 21 is arranged at the bottom of the air dissolving water area 4.
The embodiment provides a flotation device for sewage treatment, the device is compact in structure and good in flotation effect, a flotation tank 1 is sequentially provided with a water inlet and chemical adding area 3, a dissolved air water area 4, an air flotation area 5 and a clear water area 6, in the using process, sewage enters the water inlet and chemical adding area 3, a flocculating agent and the like are added, then the sewage enters the dissolved air water area 4 from a first inlet 10, the dissolved air water discharged by a water distributor 21 is fully mixed with the sewage and then overflows to the air flotation area 5 through a second inlet 12, scum is scraped and discharged into a scum bin 15 by a scum scraping device 2, water in the air flotation area 5 enters the clear water area 6 through a third outlet, and clear water at the top of the clear water area 6 can enter a drainage tank 16 through a fourth inlet 17 after being filtered by a filter screen 28 and a cobble layer 29.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A flotation device for sewage treatment is characterized by comprising a flotation tank, a dissolved air device and a slag scraping device, wherein a water feeding and dosing area, a dissolved air and water area, an air flotation area and a clear water area are sequentially arranged in the flotation tank from left to right, the slag scraping device is positioned on the upper portion of the air flotation area, one side of the water feeding and dosing area is provided with a water inlet pipe, the top of the water feeding and dosing area is provided with a dosing pipe, a first partition plate is arranged between the water feeding and dosing area and the dissolved air and water area, the bottom of the first partition plate is provided with a first inlet communicated with the water feeding and dosing area and the dissolved air and water area, a second partition plate is arranged between the water feeding and dosing area and the air flotation area, the top of the second partition plate is provided with a second inlet communicated with the dissolved air and water area, a scum partition plate is arranged between the air flotation area and the clear water area, the bottom of the scum partition plate is provided with a third inlet communicated with the air flotation area and the clear water area, the top of the scum partition board is connected with a scum bin, the upper end of one side of the flotation tank is provided with a drainage tank, the top of the flotation tank is provided with a fourth inlet communicated with the clear water area and the drainage tank, and the lower end of the drainage tank is provided with a drainage pipe; the air dissolving device comprises an air dissolving pump, an air dissolving cylinder and a water distributor, one end of the air dissolving pump is connected with an air dissolving pump water inlet pipe, an inlet of the air dissolving pump water inlet pipe is communicated with the clear water area, the other end of the air dissolving pump is connected with the air dissolving cylinder through a pipeline, the air dissolving cylinder is connected with the water distributor, and the water distributor is arranged at the bottom of the air dissolving water area.
2. The flotation device for sewage treatment according to claim 1, wherein a stirring device is arranged in the water inlet chemical adding region, the stirring device comprises a rotating shaft, the rotating shaft is connected with a stirring motor, and a spiral stirring blade is arranged on the rotating shaft.
3. The flotation device for sewage treatment as claimed in claim 1, wherein the bottoms of the water inlet dosing region and the dissolved air water region are provided with inclined guide plates, and a sludge outlet pipe is arranged at the lower end of one side of the water inlet dosing region.
4. The flotation device for sewage treatment as claimed in claim 1, wherein a filter screen is arranged at the third inlet, and a cobble layer is arranged at the bottom of the clean water area.
5. The flotation device for sewage treatment as claimed in claim 4, wherein the cobble layer is higher than the filter screen, and the inlet of the dissolved air pump water inlet pipe is higher than the cobble layer.
6. The flotation device for sewage treatment as claimed in claim 1, wherein a plurality of mud hoppers are arranged at the bottom of the air flotation zone, mud discharge ports are arranged at the lower parts of the mud hoppers, and the mud discharge ports are also arranged at the second inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921847359.7U CN210885400U (en) | 2019-10-30 | 2019-10-30 | Flotation device for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921847359.7U CN210885400U (en) | 2019-10-30 | 2019-10-30 | Flotation device for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210885400U true CN210885400U (en) | 2020-06-30 |
Family
ID=71320723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921847359.7U Expired - Fee Related CN210885400U (en) | 2019-10-30 | 2019-10-30 | Flotation device for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210885400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113880191A (en) * | 2021-11-17 | 2022-01-04 | 浙江春绿生态环保科技有限公司 | Sewage primary treatment equipment |
| CN115893704A (en) * | 2022-10-08 | 2023-04-04 | 中国石油大学(北京) | Treatment system and treatment method for drilling wastewater |
-
2019
- 2019-10-30 CN CN201921847359.7U patent/CN210885400U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113880191A (en) * | 2021-11-17 | 2022-01-04 | 浙江春绿生态环保科技有限公司 | Sewage primary treatment equipment |
| CN115893704A (en) * | 2022-10-08 | 2023-04-04 | 中国石油大学(北京) | Treatment system and treatment method for drilling wastewater |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |