CN207659275U - A kind of sewage disposal system - Google Patents
A kind of sewage disposal system Download PDFInfo
- Publication number
- CN207659275U CN207659275U CN201721588908.4U CN201721588908U CN207659275U CN 207659275 U CN207659275 U CN 207659275U CN 201721588908 U CN201721588908 U CN 201721588908U CN 207659275 U CN207659275 U CN 207659275U
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- CN
- China
- Prior art keywords
- sedimentation basin
- sewage disposal
- biological contact
- denitrogenation dephosphorizing
- oxidation pond
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of sewage disposal systems, including biological contact oxidation pond, sedimentation basin and denitrogenation dephosphorizing filter tank, biological contact oxidation pond is connected to form integrated design with sedimentation basin bottom, continuous precipitation water outlet is realized in continuum micromeehanics and aeration, compact in design, floor space is small, sewage is separated by solid-liquid separation from the bottom of biological contact oxidation pond into the sedimentation basin, solid is automatically into mud-removing bucket, supernatant enters advanced nitrogen dephosphorization filter tank, pass through the further denitrogenation dephosphorizing of denitrogenation dephosphorizing filler therein, water outlet discharge.The utility model uses integrated design, and biological contact oxidation pond and sedimentation basin are organically combined, and is not necessarily to sludge reflux, and excess sludge is few, can be with continuous flow, and can handle low carbon-nitrogen ratio sewage in conjunction with denitrogenation dephosphorizing filler, realizes advanced nitrogen dephosphorization.
Description
Technical field
The utility model is related to water environment protection researchs and application field more particularly to a kind of sewage disposal system.
Background technology
Due to China's Urbanization Progress, quantity of wastewater effluent is significantly increased, and nitrogen phosphorus excessive emissions easily cause body eutrophication,
As environmental protection standard is increasingly strict, denitrogenation dephosphorizing becomes the rigid requirement of sewage disposal.To improve sewage denitrification and dephosphorization effect, mesh
Preceding China's municipal wastewater treatment plant mostly uses A2The strengthening biological carbon and phosphorous removals technique such as/O and its improved process, UCT techniques.These techniques
Including multiple structures such as anaerobic pond, aerobic tank, anoxic pond, secondary settling tank, need sludge reflux, mixed-liquor return, there is occupation of land
The problems such as area is big, technological process is complicated, high energy consumption, and denitrogenation is difficult to take into account with phosphor-removing effect.On the other hand, many cities in China
City's sewage plant influent quality feature is low-carbon high-nitrogen, that is, BOD of intaking is low, and ammonia nitrogen and nitrate nitrogen are relatively high, cause not enough
Organic matter carries out dephosphorization and denitrification increases body eutrophication risk to cause Nitrogen/Phosphorus Removal bad.
Therefore, how while ensureing high-efficient denitrification and dephosphorization, simplification of flowsheet reduces floor space, reduces energy consumption
Level becomes sanitary sewage disposal and needs the significant problem solved.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of sewage disposal system, floor space is small, low energy consumption,
Operation is simple and has good Nitrogen/Phosphorus Removal.
Technical solution adopted in the utility model is：
The utility model provides a kind of sewage disposal system, including biological contact oxidation pond, sedimentation basin and denitrogenation dephosphorizing filter
Pond, the biological contact oxidation pond include the filler and aerator set gradually, the bottom of the biological contact oxidation pond with
The bottom of the sedimentation basin is connected, and the sedimentation basin has mud-removing bucket, and sewage is through described in the entrance of the biological contact chamber bottom
Sedimentation basin, sewage are separated by solid-liquid separation in the sedimentation basin, form supernatant and sludge, and the supernatant enters the denitrogenation dephosphorizing
Filter tank, the sludge enter the mud-removing bucket.
Preferably, the sedimentation basin is in surround structure, is compassingly set at least one side of the biological contact oxidation pond
To.
Further, the sedimentation basin is compassingly set at the surrounding of the biological contact oxidation pond, is in " returning " character form structure.
Preferably, the denitrogenation dephosphorizing filter tank is set to the both sides of the sedimentation basin.
Preferably, the sedimentation basin is inclined-tube sedimentation tank or inclined-plate clarifying basin.
Preferably, it is provided with baffle below the aerator.
Further, it is provided with water-distributing device above the denitrogenation dephosphorizing filter tank, the supernatant is filled by the water distribution
It sets into the denitrogenation dephosphorizing filter tank.
Further, the filler is biofilm filler.
Further, the denitrogenation dephosphorizing filter tank is filled with the dephosphorization filler for being inoculated with denitrifying bacteria.
Further, the dephosphorization filler is by iron filings, slag, lime stone, activated carbon, rice husk, stalk, corncob
At least one is made.
The utility model has the beneficial effects that：
The utility model provides a kind of sewage disposal system, including biological contact oxidation pond, sedimentation basin and denitrogenation dephosphorizing filter
Pond, biological contact oxidation pond are connected to form integrated design with sedimentation basin bottom, are realized in continuum micromeehanics and aeration
Continuous precipitation is discharged, compact in design, and floor space is small；Biological contact oxidation pond volumetric loading is high, and there is no asking for sludge bulking
Topic, excess sludge is few, water inlet mixing, anti impulsion load；Denitrogenation dephosphorizing filter tank can carry out advanced nitrogen dephosphorization to sewage, for
Low carbon-nitrogen ratio sewage has good Nitrogen/Phosphorus Removal；The sewage disposal system technological process of the utility model is simple, runs
Management is easy, treatment effect is high.
Description of the drawings
Fig. 1 is the cross-sectional view of sewage disposal system；
Fig. 2 is the vertical view of sewage disposal system；
Fig. 3 is the cross-sectional view that sedimentation basin is located at biological contact oxidation pond side；
Fig. 4 is the vertical view that sedimentation basin is located at biological contact oxidation pond side；
Fig. 5 is the cross-sectional view that sedimentation basin is located at biological contact oxidation pond both sides；
Fig. 6 is the vertical view that sedimentation basin is located at biological contact oxidation pond both sides；
Fig. 7 is that sedimentation basin is located at biological contact oxidation pond surrounding, and denitrogenation dephosphorizing filter tank is located at the section of the surrounding of sedimentation basin
Structural schematic diagram；
Fig. 8 is that sedimentation basin is located at biological contact oxidation pond surrounding, and denitrogenation dephosphorizing filter tank is located at the vertical view of the surrounding of sedimentation basin
Figure；
Fig. 9 is that sedimentation basin is located at biological contact oxidation pond surrounding, and denitrogenation dephosphorizing filter tank is located at the vertical view of the both sides of sedimentation basin
Figure.
Specific implementation mode
The technique effect of the design of the utility model, concrete structure and generation is carried out below with reference to embodiment and attached drawing
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
The other embodiment that art personnel are obtained without creative efforts belongs to the model of the utility model protection
It encloses.Each technical characteristic in the utility model creation, can be with combination of interactions under the premise of not conflicting conflict.
Referring to Fig. 1 and Fig. 2, the utility model provides a kind of sewage disposal system, including biological contact oxidation pond 1, precipitation
Pond 2 and denitrogenation dephosphorizing filter tank 3, the biological contact oxidation pond 1 include the filler 4 and aerator set gradually, preferably institute
It is biofilm filler to state filler 4, and the aerator is made of aeration tube 5 and blast apparatus 6, the biological contact oxidation pond 1 with
The sedimentation basin 2 is separated with partition board 11, and the bottom of the biological contact oxidation pond 1 is connected with the bottom of the sedimentation basin 2, institute
The both sides that sedimentation basin 2 is compassingly set at the biological contact oxidation pond 1 are stated, the sedimentation basin 2 has mud-removing bucket 7, and sewage is first
Into biological contact oxidation pond 1, blast apparatus 6 provides aerobic condition, and sewage is after biofilm filler and Air Exposure, through described
The bottom of biological contact chamber 1 enters the sedimentation basin 2, and sewage is separated by solid-liquid separation in the sedimentation basin 2, forms supernatant and dirt
Mud is provided with water-distributing device 8, the supernatant is through water-distributing device in the top in denitrogenation dephosphorizing filter tank 3 in a preferred embodiment
8 flow into the denitrogenation dephosphorizing filter tank 3 in the form of finely dispersed, and the liquid level of sedimentation basin 2 is higher than in further embodiments
The height in denitrogenation dephosphorizing filter tank 3, the supernatant enter the denitrogenation dephosphorizing filter tank 3 (referring to Fig. 7), institute using its own gravity
It states the biomembrane to fall off in sludge and the biological contact oxidation pond 1 or other solid particles is sunk in the mud-removing bucket 7, sink
Enter the sludge accumulation in mud-removing bucket 7 it is a certain amount of after can be excluded by sludge pump 9, iron is filled in the denitrogenation dephosphorizing filter tank 3
The spherical particle being mixed after the material fragmentations such as bits, slag, lime stone, activated carbon, rice husk, stalk, corncob, while particle
On be inoculated with denitrifying bacteria, can to enter the sewage in denitrogenation dephosphorizing filter tank 3 carry out depth denitrogenation dephosphorizing handle.
Preferably, the sedimentation basin 2 be inclined-tube sedimentation tank or inclined-plate clarifying basin, it is interior be equipped with tilting gearing 12, the inclination
Device 12 is inclined tube or inclined plate, increases the area of sedimentation basin, improves deposition efficiency.
Preferably, it is provided with baffle 10 below aerator, can prevent from being aerated the disturbance to sludge in mud-removing bucket 7.
Preferably, biological contact oxidation pond is connected with sedimentation basin bottom in the sewage disposal system of the utility model, institute
It is in surround structure to state sedimentation basin, is compassingly set at least one direction of the biological contact oxidation pond.For example, sedimentation basin surrounds
In the side of biological contact oxidation pond, sectional view is as shown in figure 3, vertical view is as shown in Figure 4；Sedimentation basin is centered around biological
The both sides of oxidation pond, sectional view is as shown in figure 5, vertical view is as shown in Figure 6；Sedimentation basin is compassingly set at the biological contact oxidation
Change the surrounding in pond, is in " returning " character form structure, denitrogenation dephosphorizing filter tank is set to the surrounding of the sedimentation basin, sectional view such as Fig. 7 institutes
Show, vertical view is as shown in Figure 8；Sedimentation basin is compassingly set at the surrounding of the biological contact oxidation pond, is in " returning " character form structure, takes off
Nitrogen dephosphorization filter tank is set to the both sides of the sedimentation basin, and vertical view is as shown in figure 9, the arrow in the utility model attached drawing indicates
The direction of liquid and/or sludge flowing.
Be above the preferred embodiment of the utility model is illustrated, but the utility model be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Shape or replacement, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of sewage disposal system, which is characterized in that including biological contact oxidation pond, sedimentation basin and denitrogenation dephosphorizing filter tank, institute
It includes the filler and aerator set gradually to state biological contact oxidation pond, and the bottom of the biological contact oxidation pond sinks with described
The bottom in shallow lake pond is connected, and there is the sedimentation basin mud-removing bucket, sewage to enter the sedimentation basin through the biological contact chamber bottom,
Sewage is separated by solid-liquid separation in the sedimentation basin, forms supernatant and sludge, and the supernatant enters the denitrogenation dephosphorizing filter tank, institute
It states sludge and enters the mud-removing bucket.
2. sewage disposal system according to claim 1, which is characterized in that the sedimentation basin is in surround structure, around setting
It is placed at least one direction of the biological contact oxidation pond.
3. sewage disposal system according to claim 2, which is characterized in that the sedimentation basin is compassingly set at the biology
The surrounding of contact-oxidation pool is in " returning " character form structure.
4. according to claim 1-3 any one of them sewage disposal systems, which is characterized in that the denitrogenation dephosphorizing filter tank setting
In the both sides of the sedimentation basin.
5. sewage disposal system according to claim 4, which is characterized in that the sedimentation basin is inclined-tube sedimentation tank or inclined plate
Sedimentation basin.
6. according to claim 1-3 or 5 any one of them sewage disposal systems, which is characterized in that under the aerator
Side is provided with baffle.
7. sewage disposal system according to claim 6, which is characterized in that be provided with cloth above the denitrogenation dephosphorizing filter tank
Water installations, the supernatant enter the denitrogenation dephosphorizing filter tank by the water-distributing device.
8. according to any one of them sewage disposal system of claim 1-3,5 or 7, which is characterized in that the filler is biofilm
Filler.
9. sewage disposal system according to claim 8, which is characterized in that the denitrogenation dephosphorizing filter tank is filled with and is inoculated with
The dephosphorization filler of denitrifying bacteria.
10. sewage disposal system according to claim 9, which is characterized in that the dephosphorization filler is by iron filings, slag, stone
At least one of lime stone, activated carbon, rice husk, stalk, corncob are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721588908.4U CN207659275U (en) | 2017-11-24 | 2017-11-24 | A kind of sewage disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721588908.4U CN207659275U (en) | 2017-11-24 | 2017-11-24 | A kind of sewage disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207659275U true CN207659275U (en) | 2018-07-27 |
Family
ID=62947156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721588908.4U Expired - Fee Related CN207659275U (en) | 2017-11-24 | 2017-11-24 | A kind of sewage disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207659275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626760A (en) * | 2019-01-31 | 2019-04-16 | 中冶华天工程技术有限公司 | Rain dirt mixed flow drains total system and method |
-
2017
- 2017-11-24 CN CN201721588908.4U patent/CN207659275U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626760A (en) * | 2019-01-31 | 2019-04-16 | 中冶华天工程技术有限公司 | Rain dirt mixed flow drains total system and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 Termination date: 20201124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |