CN206692411U - A kind of aerobic sewage disposal system of multistage anaerobic/anoxic based on granule sludge - Google Patents
A kind of aerobic sewage disposal system of multistage anaerobic/anoxic based on granule sludge Download PDFInfo
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- CN206692411U CN206692411U CN201720271574.1U CN201720271574U CN206692411U CN 206692411 U CN206692411 U CN 206692411U CN 201720271574 U CN201720271574 U CN 201720271574U CN 206692411 U CN206692411 U CN 206692411U
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- anoxic
- aerobic
- anaerobic
- denitrification
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Abstract
The utility model discloses a kind of aerobic sewage disposal system of the multistage anaerobic/anoxic based on granule sludge, including the treatment tank that several columns are interconnected by anaerobic zone, anoxic zone and aerobic zone；The anoxic zone is divided into denitrification anoxic zone B and anoxic settling zone A, next stage anaerobic zone is connected with the anoxic settling zone A of upper level anoxic zone, the denitrification anoxic zone B of next stage anoxic zone is connected with upper level aerobic zone, final stage anoxic zone not subregion, final stage aerobic zone is connected with sedimentation basin, sedimentation basin is connected with the anaerobic zone of the first order and anoxic zone, and the anaerobic zone for the treatment of tanks at different levels is connected with water inlet pipe；Sedimentation basin is provided with supernatant delivery port and excess sludge outlet.The utility model can effectively improve the sludge concentration flowed into one-level aerobic zone sewage so that aerobic particle mud is preferably formed in the aerobic zone in technique, improves detergent power.The sludge concentration for flowing into next stage anaerobic zone sewage can be effectively reduced simultaneously.
Description
Technical field
The utility model belongs to sewage treatment area, is related to a kind of system for improving activated sludge Nitrogen/Phosphorus Removal, special
It is not related in a kind of aerobic zone in sewage treatment plant in multistage anaerobic/anoxic/oxic activated sludge process and forms aerobic
Grain sludge, the system that denitrogenation dephosphorizing is improved with this.
Background technology
Aerobic particle mud sewage treatment process has obtained increasing since the last century 90's end is reported
The concern of environmental project scholar, by appropriate process regulation, activated sludge energy autoflocculation forms aerobic particle mud.Mesh
Core in the interior aerobic zone of preceding multistage anaerobic/anoxic/oxic activated sludge process (abbreviation MAAO techniques) is still traditional activated dirt
Mud method, but the shortcomings of being easy to expansion be present in traditional activated sludge.And compared with traditional active sludge, aerobic particle mud has
The advantages that good sedimentation function, closely knit structure and higher bioactivity.Meanwhile in the research for aerobic particle mud
Middle discovery, the structure of granule sludge can cause DO to form aerobic zone/anoxic zone/anaerobic zone in sludge internal mass transfer, so as to have
Beneficial to system synchronization nitration denitrification, so synchronous nitration and denitrification effect can be strengthened by accumulating the method for granule sludge[2],
Nitration denitrification is realized in same particle.
In addition, at present also there is the problem of sludge is excessive in this every one-level anaerobic zone in MAAO techniques.
Utility model content
The problem of for current MAAO techniques, the technical problems to be solved in the utility model are to overcome prior art not
A kind of foot, there is provided aerobic sewage disposal of the multistage anaerobic/anoxic based on granule sludge of the new MAAO techniques based on granule sludge
System, the system can effectively improve the sludge concentration for flowing into sewage in aerobic zone in MAAO techniques, so that in MAAO
Aerobic particle mud is formed in process system in aerobic zone, the limit spread using aerobic particle mud own structural characteristics and oxygen
System so that realize that synchronous denitrification dephosphorizing is possibly realized.Sewage treatment plant is made effectively to improve water purification effect in the process of running
Fruit, while sludge concentration too high in anaerobic zone in MAAO techniques can be reduced.
The purpose of this utility model is achieved through the following technical solutions.
The aerobic sewage disposal of a kind of multistage anaerobic/anoxic based on granule sludge provided according to the utility model embodiment
System, including the treatment tank that several columns are interconnected by anaerobic zone, anoxic zone and aerobic zone；The anoxic zone is divided into
Denitrification anoxic zone B and anoxic settling zone A, next stage anaerobic zone is connected with the anoxic settling zone A of upper level anoxic zone, next
The denitrification anoxic zone B of level anoxic zone is connected with upper level aerobic zone, and final stage anoxic zone not subregion, final stage aerobic zone is with precipitating
Pond is connected, and sedimentation basin is connected with the anaerobic zone of the first order and anoxic zone, the anaerobic zone for the treatment of tanks at different levels and water inlet pipe
It is connected；Sedimentation basin is provided with supernatant delivery port and excess sludge outlet.
In said system, further program of the utility model also resides in：
The region with inclined plate sedimentation device or the region with advection sedimentation device are set in the anoxic settling zone A.
In the first scheme, the anoxic settling zone A with inclined plate sedimentation device is on the left of anoxic zone, denitrification anoxic
Area B is provided with the 1# anoxic zones import I that connect with upper level aerobic zone on the right side of anoxic zone in the B of denitrification anoxic zone, and with
The 1# anoxic zones import II of level anaerobic zone connection, sets provided with some deflectors being interspersed, anoxic settling zone A in this region
The left side of deflector in end, is provided with inclined plate sedimentation device in the region, and inclined plate sedimentation device includes and the end water conservancy diversion
Plate is in the spoiler of 90 ° of distributions, there is the swash plate of some pieces of inclined angular distributions along spoiler genesis analysis；The end of corresponding swash plate
End is provided with 1# anoxic zones and exports I and 1# anoxic zones outlet II.
The swash plate is 50 °~60 ° distributions in inclination angle on spoiler；Swash plate plate length is 0.8~1.2 meter, and swash plate is thick
Spend for 0.08~0.1 meter.
Bottom of pond is provided with base slope on the left of the B of denitrification anoxic zone, and the gradient of anoxic zone bottom of pond longitudinal slope is 0.01~0.1.
In second scheme, the anoxic settling zone A of the anoxic zone with advection sedimentation device is on the left of anoxic zone, instead
Anoxic zone B is nitrified on the right side of anoxic zone, B includes the 2# anoxic zones import connected with upper level aerobic zone in denitrification anoxic zone
I, and the 2# anoxic zones import II connected with this grade of anaerobic zone, in this region provided with some deflectors being interspersed vertically,
Anoxic settling zone A on the left of anoxic zone is not provided with deflector, and advection sedimentation area is formed on the left of anoxic zone.
It is provided with along time outer level being distributed vertically and leads in the denitrification anoxic zone B areas of the anoxic zone with advection sedimentation device
Flowing plate butt extends to the flat slope of bottom of pond on the left of denitrification anoxic zone, and it smoothly connects for flat slope and base slope, its gradient and base slope phase
Together.
The deflector include being arranged on anoxic zone bottom surface several be in the vertical plate that is spaced apart and be arranged on anoxic
The wallboard of area's side wall, the bottom surface vertical plate and the spaced distribution of side wall wallboard.
The beneficial effects of the utility model are：
1st, the utility model is taken in the sewage of MAAO PROCESS FOR TREATMENTs sewage treatment plant, by being set up on the left of anoxic zone
Sloping-plate sedimentation equipment, by the step for, the sludge concentration of the sewage entered in this grade of aerobic zone is improved, so that in MAAO
Aerobic particle mud is formed in aerobic zone in technique.Invention order realizes that synchronous denitrification dephosphorizing is possibly realized in aerobic zone,
The denitrogenation dephosphorizing efficiency of present treatment technique is improved, the removal effect of ammonia nitrogen and phosphorus is enhanced in sewage disposal process, and
The sludge concentration into next stage anaerobic zone sewage is reduced simultaneously, solves anaerobic zone sludge concentration mistake in current MAAO techniques
The problem of high.
2nd, the utility model is taken in the sewage of MAAO PROCESS FOR TREATMENTs sewage treatment plant, by being formed on the left of anoxic zone
Advection sedimentation area, by the step for, the sludge concentration for the sewage that rise enters in this grade of aerobic zone, so that in MAAO works
Aerobic particle mud is formed in aerobic zone in skill.Invention order realizes that synchronous denitrification dephosphorizing is possibly realized in aerobic zone, carries
The high denitrogenation dephosphorizing efficiency of present treatment technique, the removal effect of ammonia nitrogen and phosphorus is enhanced in sewage disposal process, and together
When reduce the sludge concentration into next stage anaerobic zone sewage, it is too high to solve anaerobic zone sludge concentration in current MAAO techniques
The problem of.
Brief description of the drawings
Fig. 1 is a kind of process chart of the new MAAO techniques based on granule sludge；
Fig. 2 is the anoxic zone profile with inclined plate sedimentation device；
Fig. 3 is the anoxic zone profile with advection sedimentation device.
In figure：1st, deflector；2nd, swash plate；3rd, spoiler；4th, base slope；1-5,1# anoxic zone import I；1-6,1# enter anoxic zone
Mouth II；1-7,1# anoxic zone outlet I；1-8,1# anoxic zone outlet II；2-5,2# anoxic zone import I；The import of 2-6,2# anoxic zone
Ⅱ；2-7,2# anoxic zone outlet I；2-8,2# anoxic zone outlet II.
Embodiment
The utility model is described further below by the drawings and specific embodiments.
The utility model by the left of the anoxic zone of every one-level of MAAO techniques set inclined plate sedimentation device and by
Advection sedimentation area's two ways is formed on the left of the anoxic zone of every one-level of MAAO techniques to cause the aerobic zone in MAAO techniques
Form aerobic particle mud.
As shown in figure 1, the aerobic sewage disposal system of multistage anaerobic/anoxic based on granule sludge, including several columns are by anaerobism
The interconnected treatment tank in area, anoxic zone and aerobic zone；Anoxic zone is divided into denitrification anoxic zone B and anoxic settling zone
A, next stage anaerobic zone are connected with the anoxic settling zone A of upper level anoxic zone, the denitrification anoxic zone B of next stage anoxic zone with
Upper level aerobic zone is connected, and subregion, final stage aerobic zone are not connected with sedimentation basin for final stage anoxic zone, sedimentation basin and the first order
Anaerobic zone is connected with anoxic zone by mud return line, the anaerobic zone for the treatment of tanks at different levels and water inlet pipe Q at different levels1、
Q2、……QmIt is connected；Sedimentation basin is provided with supernatant delivery port and excess sludge outlet.
The multistage anaerobic/anoxic/oxic activated sludge process of the embodiment, including：
1) after the sewage of sewage treatment plant being first passed through into anaerobic zone processing, anoxic zone is flowed into；
2) anoxic zone is divided into denitrification anoxic zone B and anoxic settling zone A, by the anoxic with inclined plate sedimentation device
Qu Hou, the low sludge concentration sewage in top flow into the anaerobic zone of next stage, and lower section high sludge concentration sewage flows into the aerobic zone of this grade；
3) high sludge concentration sewage carries out nitration reaction in aerobic zone, and forms aerobic active particle sludge, after processing
Sewage enter next stage anoxic zone；
4) sewage for the low sludge concentration for flowing into next stage anaerobic zone flows into this grade of anoxic zone, with entering from upper level aerobic zone
Enter the sewage mixing of anoxic zone；
5) repeat step 2) -4), the water outlet after multistage anaerobic/anoxic aerobic zone is handled enters sedimentation basin；
6) the supernatant discharge after sedimentation basin precipitates, precipitate obtained a part of sludge reflux to first order anaerobic zone and
Anoxic zone, excess sludge are then discharged, and so far, complete the processing procedure of multistage anaerobic/anoxic aerobic activated sludge.
As shown in Fig. 2 to realize the first embodiment of the utility model：
By placing inclined plate sedimentation device so that in MAAO works on the left of its anoxic zone per one-level (except final stage)
Aerobic particle mud is produced in skill in aerobic zone, it is anoxic settling zone A to be placed with the left of the anoxic zone of inclined plate sedimentation device, is being lacked
It is denitrification anoxic zone B on the right side of oxygen area, the 1# anoxic zones import connected with upper level aerobic zone is provided with the B of denitrification anoxic zone
I 1-5, and the 1-6 of 1# anoxic zones import II connected with this grade of anaerobic zone, in this region provided with some deflectors being interspersed
1, anoxic settling zone A is located at the left side of end deflector 1, and inclined plate sedimentation device, inclined plate sedimentation device bag are provided with the region
It is in 90 ° of spoilers 3 being distributed to include with the end deflector 1, has some pieces of inclined angular distributions along the genesis analysis of spoiler 3
Swash plate 2；Swash plate 2 is 50 °~60 ° distributions in inclination angle on spoiler 3；The plate length of swash plate 2 is 0.8~1.2 meter, swash plate thickness
For 0.08~0.1 meter.The end of corresponding swash plate 2 is provided with 1# anoxic zones and exports I 1-7 and 1# anoxic zones outlet, II 1-8；In denitrification
Bottom of pond is provided with base slope 4 on the left of the B of anoxic zone, and the gradient of anoxic zone bottom of pond longitudinal slope is 0.01~0.1.
The utility model is filled on the basis of MAAO techniques by placing sloping plate deposition on the left of its anoxic zone per one-level
Put, the step for passing through so that the sludge concentration into the sewage in this grade of aerobic zone is raised, and aerobic is formed in aerobic zone
Grain sludge, while it is lowered into the sludge concentration of the sewage of next stage anaerobic zone.The step for passing through so that aerobic into this grade
The sludge concentration rise of sewage in area, forms aerobic particle mud, while be lowered into next stage anaerobic zone in aerobic zone
Sewage sludge concentration.The effect of MAAO technique denitrogenation dephosphorizings can be improved by the method, has greatly reinforced current MAAO works
The purifying water effect of skill simultaneously solves the problems, such as that current MAAO techniques anaerobic zone sludge concentration is too high.
As shown in figure 3, to realize second of embodiment of the utility model：
Which is that anoxic settling zone A is the anoxic zone with advection sedimentation device, for realize the utility model by
It forms advection sedimentation area and to produce aerobic in aerobic zone in MAAO techniques behind anoxic zone per one-level (except final stage)
The device of the method for grain sludge, it is anoxic settling zone A to be placed with the left of the anoxic zone of advection sedimentation device, is on the right side of anoxic zone
Denitrification anoxic zone B, in denitrification anoxic zone, B includes the 2-5 of 2# anoxic zones import I connected with upper level aerobic zone, and with
The 2-6 of 2# anoxic zones import II of this grade of anaerobic zone connection, in this region provided with some deflectors 1 being interspersed vertically,
Anoxic settling zone A on the left of anoxic zone is not provided with deflector, and advection sedimentation area is formed on the left of anoxic zone.With advection sedimentation
It is provided with the denitrification anoxic zone B areas of the anoxic zone of device along time outer butt of level deflector 1 being distributed vertically and extends to denitrification
The flat slope of bottom of pond on the left of anoxic zone, it smoothly connects for flat slope and base slope 4, and its gradient is identical with base slope 4.
The multistage anaerobic/anoxic/oxic activated sludge process of the embodiment, including：
1) after the sewage of sewage treatment plant being first passed through into anaerobic zone processing, anoxic zone is flowed into；
2) anoxic zone is divided into denitrification anoxic zone B and anoxic settling zone A, by the anoxic with advection sedimentation device
Qu Hou, the low sludge concentration sewage in top flow into the anaerobic zone of next stage, and lower section high sludge concentration sewage flows into the aerobic zone of this grade；
3) high sludge concentration sewage carries out nitration reaction in aerobic zone, and forms aerobic active particle sludge, after processing
Sewage enter next stage anoxic zone；
4) sewage for the low sludge concentration for flowing into next stage anaerobic zone flows into this grade of anoxic zone, with entering from upper level aerobic zone
Enter the sewage mixing of anoxic zone；
5) repeat step 2) -4), the water outlet after multistage anaerobic/anoxic aerobic zone is handled enters sedimentation basin；
6) the supernatant discharge after sedimentation basin precipitates, precipitate obtained a part of sludge reflux to first order anaerobic zone and
Anoxic zone, excess sludge are then discharged, and so far, complete the processing procedure of multistage anaerobic/anoxic aerobic activated sludge.
The utility model is on the basis of MAAO techniques, by forming advection sedimentation on the left of its anoxic zone per one-level
Area, the step for passing through so that the sludge concentration into the sewage in this grade of aerobic zone is raised, and aerobic is formed in aerobic zone
Grain sludge, while it is lowered into the sludge concentration of the sewage of next stage anaerobic zone.The step for passing through so that aerobic into this grade
The sludge concentration rise of sewage in area, forms aerobic particle mud, while be lowered into next stage anaerobic zone in aerobic zone
Sewage sludge concentration.The effect of MAAO technique denitrogenation dephosphorizings can be improved by the method, has greatly reinforced current MAAO works
The purifying water effect of skill simultaneously solves the problems, such as that current MAAO techniques anaerobic zone sludge concentration is too high.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, therefore any one skilled in the art is in the technical scope that the utility model discloses, can be easily
The change or replacement expected, it should all cover within the scope of protection of the utility model.
Claims (8)
- A kind of 1. aerobic sewage disposal system of multistage anaerobic/anoxic based on granule sludge, it is characterised in that including several columns by The interconnected treatment tank in anaerobic zone, anoxic zone and aerobic zone；The anoxic zone is divided into denitrification anoxic zone B and lacked Oxygen precipitation area A, next stage anaerobic zone are connected with the anoxic settling zone A of upper level anoxic zone, the denitrification of next stage anoxic zone Anoxic zone B is connected with upper level aerobic zone, and subregion, final stage aerobic zone are not connected with sedimentation basin for final stage anoxic zone, sedimentation basin It is connected with the anaerobic zone of the first order and anoxic zone, the anaerobic zone for the treatment of tanks at different levels is connected with water inlet pipe；Sedimentation basin is set There are supernatant delivery port and excess sludge outlet.
- 2. according to the aerobic sewage disposal system of a kind of multistage anaerobic/anoxic based on granule sludge described in claim 1, it is special Sign is, the region with inclined plate sedimentation device or the region with advection sedimentation device are set in the anoxic settling zone A.
- 3. according to the aerobic sewage disposal system of a kind of multistage anaerobic/anoxic based on granule sludge described in claim 2, it is special Sign is that for the anoxic settling zone A with inclined plate sedimentation device on the left of anoxic zone, denitrification anoxic zone B is right in anoxic zone Side, is provided with the 1# anoxic zones import I (1-5) that is connected with upper level aerobic zone in the B of denitrification anoxic zone, and with this grade of anaerobic zone The 1# anoxic zones import II (1-6) of connection, set in this region provided with some deflectors (1) being interspersed, anoxic settling zone A The left side of deflector (1) in end, is provided with inclined plate sedimentation device in the region, and inclined plate sedimentation device includes leading with the end Flowing plate (1) is in the spoiler (3) of 90 ° of distributions, there is the swash plate of some pieces of inclined angular distributions along spoiler (3) genesis analysis (2)；The end of corresponding swash plate (2) is provided with 1# anoxic zones and exports II (1-8) of I (1-7) and the outlet of 1# anoxic zones.
- 4. according to the aerobic sewage disposal system of a kind of multistage anaerobic/anoxic based on granule sludge described in claim 3, it is special Sign is that the swash plate (2) is 50 °~60 ° distributions in inclination angle on spoiler (3)；Swash plate (2) plate length is 0.8~1.2 Rice, swash plate thickness are 0.08~0.1 meter.
- 5. according to the aerobic sewage disposal system of a kind of multistage anaerobic/anoxic based on granule sludge described in claim 3, it is special Sign is that bottom of pond is provided with base slope (4) on the left of the B of denitrification anoxic zone, and the gradient of anoxic zone bottom of pond longitudinal slope is 0.01~0.1.
- 6. according to the aerobic sewage disposal system of a kind of multistage anaerobic/anoxic based on granule sludge described in claim 2, it is special Sign is that on the left of anoxic zone, denitrification anoxic zone B's anoxic settling zone A of the anoxic zone with advection sedimentation device exists On the right side of anoxic zone, in denitrification anoxic zone, B includes the 2# anoxic zones import I (2-5) connected with upper level aerobic zone, and with The 2# anoxic zones import II (2-6) of level anaerobic zone connection, in this region provided with some deflectors (1) being interspersed vertically, Anoxic settling zone A on the left of anoxic zone is not provided with deflector, and advection sedimentation area is formed on the left of anoxic zone.
- 7. according to the aerobic sewage disposal system of a kind of multistage anaerobic/anoxic based on granule sludge described in claim 6, it is special Sign is, is provided with along time outer level being distributed vertically and leads in the denitrification anoxic zone B areas of the anoxic zone with advection sedimentation device Flowing plate (1) butt extends to the flat slope of bottom of pond on the left of denitrification anoxic zone, and it smoothly connects for flat slope and base slope (4), its gradient and Base slope (4) is identical.
- 8. according to the aerobic sewage disposal system of a kind of multistage anaerobic/anoxic based on granule sludge described in claim 3 or 6, its Be characterised by, the deflector include being arranged on anoxic zone bottom surface several be in the vertical plate that is spaced apart and be arranged on anoxic The wallboard of area's side wall, the bottom surface vertical plate and the spaced distribution of side wall wallboard.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271574.1U CN206692411U (en) | 2017-03-20 | 2017-03-20 | A kind of aerobic sewage disposal system of multistage anaerobic/anoxic based on granule sludge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271574.1U CN206692411U (en) | 2017-03-20 | 2017-03-20 | A kind of aerobic sewage disposal system of multistage anaerobic/anoxic based on granule sludge |
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| CN206692411U true CN206692411U (en) | 2017-12-01 |
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| CN201720271574.1U Expired - Fee Related CN206692411U (en) | 2017-03-20 | 2017-03-20 | A kind of aerobic sewage disposal system of multistage anaerobic/anoxic based on granule sludge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117776392A (en) * | 2024-02-23 | 2024-03-29 | 中化化工科学技术研究总院有限公司 | Treatment of semi-coke wastewater hybrid multi-stage AO processing system |
-
2017
- 2017-03-20 CN CN201720271574.1U patent/CN206692411U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117776392A (en) * | 2024-02-23 | 2024-03-29 | 中化化工科学技术研究总院有限公司 | Treatment of semi-coke wastewater hybrid multi-stage AO processing system |
| CN117776392B (en) * | 2024-02-23 | 2024-05-28 | 中化化工科学技术研究总院有限公司 | Mixed multistage AO processing system for treating semi-coke wastewater |
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