CN213623755U - Integrated sewage treatment equipment - Google Patents
Integrated sewage treatment equipment Download PDFInfo
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- CN213623755U CN213623755U CN202022479237.6U CN202022479237U CN213623755U CN 213623755 U CN213623755 U CN 213623755U CN 202022479237 U CN202022479237 U CN 202022479237U CN 213623755 U CN213623755 U CN 213623755U
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- secondary sedimentation
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Abstract
The utility model discloses an integrated sewage treatment device, which comprises an anaerobic tank, an aerobic tank, a secondary sedimentation tank, a first filtering tank, a second filtering tank, a first air-lift device and a first aeration device; one side of the anaerobic tank is communicated with the aerobic tank, the top of the other side of the aerobic tank is communicated with the top of one side of the secondary sedimentation tank, the top of the other side of the secondary sedimentation tank is communicated with the top of the first filtering tank, and the bottom of the first filtering tank is communicated with the bottom of the second filtering tank; the secondary sedimentation tank is communicated with the anaerobic tank through a first air stripping device, and a sludge separation device is arranged in the secondary sedimentation tank. The device has the advantages that the sludge separation device can further separate the sludge and the clean water in the secondary sedimentation tank, the separated clean water flows into the first filtering tank from the top of the secondary sedimentation tank, the first filtering tank flows to the second filtering tank after filtering, and the clean water can be discharged after being filtered by the second filtering tank; the sewage and sludge are synchronously treated, and the residual activated sludge is less; the mud-water mixture begins to separate in the inclined tube, sludge is precipitated downwards, and clear liquid flows out from the upper end.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment technique and specifically relates to an integration sewage treatment device.
Background
The aerobic tank in the integrated sewage treatment equipment nitrifies and degrades organic matters in sewage by utilizing aerobic microorganisms in the sewage under the condition of free oxygen (molecular oxygen), and has removal effects on pollutants such as COD (chemical oxygen demand), ammonia nitrogen and TP (total phosphorus) in the sewage including a nitrification process and a phosphorus absorption process. However, the existing integrated sewage treatment equipment has the following defects: the separation of the sludge and the clear water in the secondary sedimentation tank is not sufficient, and the sludge in the secondary sedimentation tank is not recycled; the speed of clear water on the upper surface of the secondary sedimentation tank flowing to the filter tank is too high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art and providing an integrated sewage treatment device.
The utility model discloses a technical scheme:
an integrated sewage treatment device comprises an anaerobic tank, an aerobic tank, a secondary sedimentation tank, a first filtering tank, a second filtering tank, a first air stripping device and a first aeration device; a first aeration device is arranged in the aerobic tank, one side of the anaerobic tank is communicated with the aerobic tank, the top of the other side of the aerobic tank is communicated with the top of one side of the secondary sedimentation tank, the top of the other side of the secondary sedimentation tank is communicated with the top of the first filtering tank, and the bottom of the first filtering tank is communicated with the bottom of the second filtering tank; the secondary sedimentation tank is communicated with the anaerobic tank through a first air stripping device, and a sludge separation device is arranged in the secondary sedimentation tank.
In a preferred scheme, a first effluent weir is arranged in the secondary sedimentation tank, and the first effluent weir is close to the top of the secondary sedimentation tank.
The bottom of the secondary sedimentation tank in a preferred scheme is provided with a sludge discharge pipe.
In a preferable scheme, a second effluent weir is arranged in the second filtering tank, and the second effluent weir is close to the top of the second filtering tank.
An upper baffle and a lower baffle are arranged in an aerobic tank of the optimized scheme, the upper baffle and the lower baffle are respectively close to one side of a secondary sedimentation tank, and the upper baffle is arranged right above the lower baffle.
The first air lifting device of a preferred scheme comprises a first pipeline and a second pipeline, one end of the first pipeline is inserted into the second sedimentation tank, the other end of the first pipeline is inserted into the anaerobic tank, one end of the second pipeline is connected with an air pump, and the other end of the second pipeline is positioned in the second sedimentation tank and communicated with the first pipeline.
The sludge separation device comprises a support and a plurality of inclined pipes, wherein the inclined pipes are obliquely arranged with the support respectively, and a sludge separation flow channel is formed between every two adjacent inclined pipes.
In a preferred scheme, the aerobic tank is filled with double-ball fillers.
One preferred scheme is that the secondary sedimentation tank is filled with silicon-carbon filler.
In a preferred scheme, the first aeration device comprises a first insertion pipe and a first aeration disc, the bottom of the first insertion pipe is connected with the first aeration disc, and the top of the first insertion pipe is connected with an air pump.
Synthesize above-mentioned technical scheme, the beneficial effects of the utility model: the sludge separation device can further separate the sludge and the clean water in the secondary sedimentation tank, the separated clean water flows into the first filtering tank from the top of the secondary sedimentation tank, flows to the second filtering tank after being filtered by the first filtering tank, and can be discharged after being filtered by the second filtering tank; the first stripping device can return the sludge in the secondary sedimentation tank to the anaerobic tank, so that the sewage and sludge are synchronously treated, and the residual activated sludge is less; the first effluent weir can block part of sludge and can play a role in slowing down the water flow speed; and (3) separating mud-water mixture in the inclined pipe, precipitating sludge downwards, enabling clear liquid to flow out from the upper end, returning the sludge in the secondary sedimentation tank to the anaerobic tank by the first air stripping device when a certain amount of sludge is accumulated in the middle of the secondary sedimentation tank, returning the sludge in the secondary sedimentation tank to the anaerobic tank for recycling, and discharging the sludge at the bottom of the secondary sedimentation tank from a sludge discharge pipe.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a sectional view B-B of fig. 1.
Detailed Description
For the purpose of illustrating the spirit and purposes of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, an integrated sewage treatment apparatus includes an anaerobic tank 10, an aerobic tank 20, a secondary sedimentation tank 30, a first filtering tank 40 and a second filtering tank 50, a first gas stripping device 60 and a first aeration device 70; a first aeration device 70 is arranged in the aerobic tank 20, one side of the anaerobic tank 10 is communicated with the aerobic tank 20, the top of the other side of the aerobic tank 20 is communicated with the top of one side of the secondary sedimentation tank 30, the top of the other side of the secondary sedimentation tank 30 is communicated with the top of the first filtering tank 40, and the bottom of the first filtering tank 40 is communicated with the bottom of the second filtering tank 50; the secondary sedimentation tank 30 is communicated with the anaerobic tank 10 through a first air stripping device 60, and a sludge separation device 80 is arranged in the secondary sedimentation tank 30.
As shown in fig. 1 to 3, the sewage in the anaerobic tank 10 can flow into the aerobic tank 20 from the bottom, the middle or the top of the anaerobic tank 10, after being treated by the aerobic tank 20, the sewage flows into the top of one side of the secondary sedimentation tank 30 from the top of the aerobic tank 20, the sewage is precipitated in the secondary sedimentation tank 30, the sludge separation device 80 can further separate the sludge and the clean water in the secondary sedimentation tank 30, the separated clean water flows into the first filtering tank 40 from the top of the secondary sedimentation tank 30, flows into the second filtering tank 50 after being filtered by the first filtering tank 40, and can be discharged after being filtered by the second filtering tank 50. The first stripping device 60 can return the sludge in the secondary sedimentation tank 30 to the anaerobic tank 10, so that the sewage and sludge are synchronously treated, and the residual activated sludge is less.
As shown in fig. 1 to 3, a first weir 31 is disposed in the secondary sedimentation tank 30, and the first weir 31 is close to the top of the secondary sedimentation tank 30. The first weir 31 can block a portion of the sludge and can also act to slow the water flow.
As shown in fig. 1 to 3, a sludge discharge pipe 32 is provided at the bottom of the secondary sedimentation tank 30. The sludge at the bottom of the secondary sedimentation tank 30 is discharged from the sludge discharge pipe 32.
As shown in fig. 1 to 3, a second effluent weir 51 is disposed in the second filtering tank 50, and the second effluent weir 51 is close to the top of the second filtering tank 50. The second weir 51 may block a portion of the sludge and may also serve to slow the flow of water.
As shown in fig. 1 to 3, an upper baffle 21 and a lower baffle 22 are arranged in the aerobic tank 20, the upper baffle 21 and the lower baffle 22 are respectively close to one side of the secondary sedimentation tank 30, and the upper baffle 21 is arranged right above the lower baffle 22. The upper baffle plate 21 and the lower baffle plate 22 can slow down the sewage in the aerobic tank 20 from flowing into the secondary sedimentation tank 30.
As shown in fig. 1 to 3, the first gas stripping device 60 includes a first pipe 61 and a second pipe 62, one end of the first pipe 61 is inserted into the secondary sedimentation tank 30, the other end is inserted into the anaerobic tank 10, one end of the second pipe 62 is connected to an air pump, and the other end is located in the secondary sedimentation tank 30 and is communicated with the first pipe 61. The air pump blows air into the first pipe 61 through the second pipe 62, and at this time, the first pipe 61 lifts the sludge at the bottom of the secondary sedimentation tank 30 into the anaerobic tank 10. The second conduit 62 is provided with a check valve 63.
As shown in fig. 1 to 3, the sludge separation apparatus 80 includes a support 81 and a plurality of inclined pipes 82, the inclined pipes 82 are respectively inclined from the support 81, and a sludge separation flow passage is formed between adjacent inclined pipes 82. The sludge separation device 80 comprises a plurality of inclined pipes 82, the installation angle of the inclined pipes 82 is controlled at 60 degrees, the inclined pipes 82 mainly separate mud and water in the sewage, and the sludge is left at the bottom of the secondary sedimentation tank 30. The mud-water mixture begins to separate in the inclined tube 82, the sludge is precipitated downwards, and the clear liquid flows out from the upper end. When the sludge in the middle of the secondary sedimentation tank 30 is accumulated to a certain amount, the first gas stripping device 60 returns the sludge in the secondary sedimentation tank 30 to the anaerobic tank 10. The sludge at the bottom of the secondary sedimentation tank 30 is discharged from the sludge discharge pipe 32.
As shown in fig. 1 to 3, the aerobic tank 20 is filled with a double-ball filler. The bottom of the aerobic tank 20 is provided with a first lower support screen 24, the top of the aerobic tank is provided with a first upper support screen 23, and the double-ball filler is supported between the first lower support screen 24 and the first upper support screen 23.
As shown in fig. 1 to 3, the secondary sedimentation tank 30 is filled with silicon carbon filler.
As shown in fig. 1 to 3, the first aeration apparatus 70 includes a first cannula 71 and a first aeration tray 72, wherein the bottom of the first cannula 71 is connected to the first aeration tray 72, and the top thereof is connected to an air pump. The first aeration tray 72 is located below the first lower support screen 24.
The above is a detailed implementation manner of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. An integrated sewage treatment device is characterized by comprising an anaerobic tank, an aerobic tank, a secondary sedimentation tank, a first filtering tank, a second filtering tank, a first air stripping device and a first aeration device; a first aeration device is arranged in the aerobic tank, one side of the anaerobic tank is communicated with the aerobic tank, the top of the other side of the aerobic tank is communicated with the top of one side of the secondary sedimentation tank, the top of the other side of the secondary sedimentation tank is communicated with the top of the first filtering tank, and the bottom of the first filtering tank is communicated with the bottom of the second filtering tank; the secondary sedimentation tank is communicated with the anaerobic tank through a first air stripping device, and a sludge separation device is arranged in the secondary sedimentation tank.
2. The integrated sewage treatment device of claim 1 wherein the secondary sedimentation tank is provided with a first effluent weir, and the first effluent weir is close to the top of the secondary sedimentation tank.
3. The integrated sewage treatment device according to claim 1 or 2, wherein a sludge discharge pipe is arranged at the bottom of the secondary sedimentation tank.
4. The integrated wastewater treatment facility according to claim 1, wherein a second effluent weir is provided in the second filtration tank, the second effluent weir being located near the top of the second filtration tank.
5. The integrated sewage treatment device according to claim 1, wherein an upper baffle and a lower baffle are arranged in the aerobic tank, the upper baffle and the lower baffle are respectively close to one side of the secondary sedimentation tank, and the upper baffle is arranged right above the lower baffle.
6. The integrated sewage treatment equipment according to claim 1, wherein the first air-lift device comprises a first pipeline and a second pipeline, one end of the first pipeline is inserted into the second sedimentation tank, the other end of the first pipeline is inserted into the anaerobic tank, one end of the second pipeline is connected with an air pump, and the other end of the second pipeline is positioned in the second sedimentation tank and is communicated with the first pipeline.
7. The integrated sewage treatment device of claim 1, wherein the sludge separation apparatus comprises a support and a plurality of inclined pipes, the inclined pipes are respectively arranged obliquely with the support, and a sludge separation flow channel is formed between adjacent inclined pipes.
8. The integrated sewage treatment device of claim 1, wherein the aerobic tank is filled with a double-ball filler.
9. The integrated sewage treatment equipment according to claim 1, wherein the secondary sedimentation tank is filled with a silicon-carbon filler.
10. The integrated sewage treatment apparatus of claim 1, wherein the first aeration device comprises a first cannula and a first aeration disc, the bottom of the first cannula is connected with the first aeration disc, and the top of the first cannula is connected with an air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022479237.6U CN213623755U (en) | 2020-10-30 | 2020-10-30 | Integrated sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022479237.6U CN213623755U (en) | 2020-10-30 | 2020-10-30 | Integrated sewage treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213623755U true CN213623755U (en) | 2021-07-06 |
Family
ID=76627886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022479237.6U Expired - Fee Related CN213623755U (en) | 2020-10-30 | 2020-10-30 | Integrated sewage treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213623755U (en) |
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2020
- 2020-10-30 CN CN202022479237.6U patent/CN213623755U/en not_active Expired - Fee Related
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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: 20210706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |