CN215627073U - Improved activated sludge process treatment device - Google Patents
Improved activated sludge process treatment device Download PDFInfo
- Publication number
- CN215627073U CN215627073U CN202122507141.0U CN202122507141U CN215627073U CN 215627073 U CN215627073 U CN 215627073U CN 202122507141 U CN202122507141 U CN 202122507141U CN 215627073 U CN215627073 U CN 215627073U
- Authority
- CN
- China
- Prior art keywords
- tank module
- activated sludge
- unit
- module
- comprehensive
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model belongs to the field of sewage treatment, and particularly relates to an improved activated sludge process treatment device. The activated sludge process treatment device can realize three operation conditions of aerobic, anaerobic and regulation by sequentially communicating the comprehensive tank module, the biological reaction tank module and the secondary sedimentation tank module along the flowing direction of sewage: under aerobic conditions, the activated sludge in the comprehensive tank module is aerated, so that nitrifying bacteria can be enhanced, and the biomass of the nitrifying bacteria is improved; under the anaerobic condition, the activated sludge in the comprehensive tank module is pushed to flow, so that the release of an internal carbon source of the sludge is realized, and the sludge enters a subsequent biological reaction tank module, and the utilization rate of the internal carbon source is improved; under the conditions of water inflow and water quality overload, the device has an adjusting function, and reduces the impact influence on the subsequent reaction tank module.
Description
Technical Field
The utility model belongs to the field of sewage treatment, and particularly relates to an improved activated sludge process treatment device.
Background
Traditional activated sludge process processing apparatus is including giving birth to the pond and two heavy ponds, gives birth to inside the pond of pond and generally is equipped with in proper order along sewage flow direction: an anaerobic zone, an anoxic zone and an aerobic zone. The outlet of the biological reaction tank is communicated with the inlet of the secondary sedimentation tank, one part of the activated sludge outlet of the secondary sedimentation tank is communicated with the inlet of the biological reaction tank, and the other part of the activated sludge outlet of the secondary sedimentation tank is discharged in the form of residual sludge. The basic nitrogen and phosphorus removal function is realized through the nitrification and denitrification and sludge discharge of the treatment device.
However, the traditional activated sludge treatment device sometimes has the problem that the hydraulic retention time of an aerobic zone is not enough to ensure the nitrification treatment effect under the low-temperature condition in winter, so that the ammonia nitrogen in the effluent cannot reach the standard. In addition, under the condition that the carbon source of the inlet water is insufficient, in order to ensure the stable denitrification and dephosphorization treatment effect, an additional carbon source needs to be added into the biochemical system, so that the operation cost is increased. Meanwhile, under the condition that the quality and the quantity of inlet water exceed the designed working condition values, the impact resistance of the traditional activated sludge method treatment device is low, and the quality of outlet water cannot reach the standard.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an improved activated sludge treatment device, which adopts the following technical scheme:
the utility model provides an improved activated sludge process treatment device, which is characterized by comprising the following steps: the integrated pool module, the anti-pond module and the secondary sedimentation pool module are sequentially communicated and arranged along the flowing direction of sewage, wherein the secondary sedimentation pool module is communicated with the integrated pool module and used for conveying the activated sludge in the secondary sedimentation pool module to the integrated pool module, the integrated pool module is provided with an aeration unit, the aeration unit is provided with a rotary-cut mixed flow aerator and an air suspension blower, the rotary-cut mixed flow aerator is connected with the air suspension blower through an aeration pipe, and the aerator is matched with the blower and used for aerating the activated sludge in the integrated pool module.
The improved activated sludge process treatment device provided by the utility model can also be characterized in that the raw denitrification tank module is provided with an anaerobic unit, an anoxic unit, an aerobic unit and an internal sludge return pipe, the anaerobic unit, the anoxic unit and the aerobic unit are sequentially communicated and arranged along the flowing direction of sewage, the anaerobic unit is communicated and arranged with the comprehensive tank module, the aerobic unit is communicated and arranged with the secondary sedimentation tank module, and the internal sludge return pipe is used for returning nitrified liquid from the aerobic unit to the anoxic unit.
The improved activated sludge treatment device provided by the utility model can also be characterized in that a sludge external return pipe is arranged on the secondary sedimentation tank module and is used for enabling activated sludge in the secondary sedimentation tank module to respectively enter the comprehensive tank module and the anaerobic unit.
The improved activated sludge process treatment device provided by the utility model can also be characterized in that the comprehensive tank module is also provided with a plug flow unit for avoiding the deposition of activated sludge.
The improved activated sludge process treatment device provided by the utility model can also be characterized in that the plug flow unit is a plug flow device.
The improved activated sludge process treatment apparatus provided by the present invention may further include: and the water inlet module is communicated with the comprehensive pool module and the anaerobic unit respectively and is used for carrying out multi-point water inlet and distribution.
Utility model with the functions and effects
According to the improved activated sludge process treatment device, the activated sludge process treatment device comprises the comprehensive tank module, the biological reaction tank module and the secondary sedimentation tank module which are sequentially communicated along the flow direction of sewage, so that the effluent ammonia nitrogen stably reaches the standard, the carbon source in the sludge is fully utilized, the extra carbon source addition is reduced, and the impact resistance of the system is improved.
Firstly, in the comprehensive tank module, activated sludge in the comprehensive tank module can be aerated through the rotary-cut mixed-flow aerator of the aeration unit, and then enhanced nitrification of activated sludge protospecies can be carried out under aerobic conditions, so that the biomass of nitrifying bacteria is improved, the enhanced nitrifying bacteria enter the biological denitrification tank module at the rear end through a pipeline, the nitrification rate of the whole device is improved, and the ammonia nitrogen removal capacity of the activated sludge process treatment device is further improved.
Secondly, in order to solve the problems of insufficient carbon source of inlet water and higher running cost of extra carbon source addition, the utility model leads the activated sludge in the secondary sedimentation tank module to be conveyed to the comprehensive tank module by communicating the secondary sedimentation tank module with the comprehensive tank module, thereby providing an internal carbon source for the activated sludge method treatment device. Particularly, when the temperature is high in summer, the rotary-cut mixed flow aerator in the comprehensive tank module can be closed, an anaerobic environment is formed in the comprehensive tank module, part of external return sludge of the secondary sedimentation tank module flows back into the comprehensive tank module through a pipeline, an internal carbon source can be released, the comprehensive tank module can be used as a carbon source extraction area, the internal carbon source released by the comprehensive tank module flows into the biological reaction tank module through the pipeline, the utilization rate of the internal carbon source is improved, and the addition of an additional carbon source is reduced.
Finally, the comprehensive tank module arranged at the front end (upstream) of the raw and reaction tank module has the function of adjusting the quality and quantity of inlet water, and the problem of large impact caused by the fact that the overload water quantity and the water quality directly enter the subsequent (downstream) raw and reaction tank module is solved.
Drawings
FIG. 1 is a schematic view of an apparatus for treating an activated sludge process according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
< example >
The present embodiment provides an improved activated sludge process treatment apparatus 100.
FIG. 1 is a schematic view of an apparatus for treating an activated sludge process according to an embodiment of the present invention.
As shown in fig. 1, the activated sludge process treatment apparatus 100 includes an integrated tank module 10, a raw and reverse tank module 20, a secondary sedimentation tank module 30, and a water inlet module 40. Wherein, the comprehensive tank module 10, the biological reaction tank module 20 and the secondary sedimentation tank module 30 are sequentially communicated along the sewage flow direction.
The integrated tank module 10 has an aeration unit 11 and a plug flow unit 12. The aeration unit 11 is provided with a rotary-cutting mixed-flow aerator 111, an air suspension blower 112 and an aeration pipe 113. The rotary-cut mixed-flow aerator 111 is connected with an air suspension blower 112 through an aerator pipe 113. The rotary-cut mixed-flow aerator 111 is matched with the air suspension blower 112 for aerating the activated sludge in the comprehensive tank module 10. The plug flow unit 12 is a plug flow device for preventing deposition of activated sludge.
The biological anti-pond module 20 is provided with an anaerobic unit 21, an anoxic unit 22, an aerobic unit 23 and a sludge internal return pipe 24. The anaerobic unit 21, the anoxic unit 22 and the aerobic unit 23 are sequentially communicated along the sewage flow direction. The anaerobic unit 21 is communicated with the comprehensive pool module 10. The aerobic unit 23 is communicated with the secondary sedimentation tank module 30. The sludge internal return pipe 24 is used for returning the nitrified liquid from the aerobic unit 23 to the anoxic unit 22.
The secondary sedimentation tank module 30 is provided with a sludge external return pipe 31. The sludge outside reflux pipe 31 has an integrated outside reflux branch pipe 311 and a raw outside reflux branch pipe 312. Part of the activated sludge in the secondary sedimentation tank module 30 enters the integrated tank module 10 through the integrated external reflux branch pipe 311. Part of the activated sludge in the secondary sedimentation tank module 30 enters the anaerobic unit 21 through the raw sludge return branch pipe 312.
The inlet module 40 has an inlet pipe 41. The water inlet pipe 41 has an integrated water inlet manifold 411 and a water inlet manifold 412. The water inlet module 40 is communicated with the integrated pool module 10 through the integrated water inlet branch pipe 411. The water inlet module 40 is communicated with the anaerobic unit through a raw water inlet branch pipe 412.
The working process of the activated sludge process treatment apparatus 100 of this embodiment under different working conditions is as follows:
the working condition I is as follows: in the case of low temperature and poor denitrification effect in winter, the air suspension blower 112 is started, the rotary-cut mixed-flow aerator 111 starts to operate through the aerator pipe 113, the activated sludge enters the integrated tank module 10 and the anaerobic unit 21 through the integrated external return branch pipe 311 and the raw and reverse external return branch pipe 312 of the secondary sedimentation tank module 30, the integrated water inlet branch pipe 411 is closed, the raw and reverse water inlet branch pipe 412 is opened, the plug flow unit 12 (plug flow device) is opened, the sludge internal return pipe 24 is opened, and the nitrified liquid flows back to the anoxic unit 22 from the aerobic unit 23, so that the denitrification function is realized. At this time, the integrated tank module 10 aerates the activated sludge delivered by the integrated external reflux branch pipe 311 under aerobic conditions, thereby strengthening nitrifying bacteria species, increasing the biomass of nitrifying bacteria, and ensuring the nitrification and denitrification effects of the biological denitrification tank module 20 at the rear end.
Working conditions are as follows: under the condition that the carbon source of inlet water is insufficient, particularly under the condition of high temperature in summer or good denitrification effect, the air suspension blower 112 is turned off, the rotary-cutting mixed-flow aerator 111 stops working, the flow pushing unit 12 (flow pushing device) is opened, the integrated tank module 10 is used as an anaerobic zone, the integrated water inlet branch pipe 411 is closed, the raw and reverse water inlet branch pipe 412 is opened, the integrated external reflux branch pipe 311 and the raw and reverse external reflux branch pipe 312 are respectively opened, the sludge internal reflux pipe 24 is opened, and the nitrified liquid is refluxed to the anoxic unit 22 from the aerobic unit 23 to realize the denitrification function. The activated sludge releases an internal carbon source under the anaerobic condition of the comprehensive tank module 10, and provides an internal carbon source for nitrogen and phosphorus removal of the subsequent biological tank module 20, so that the investment of an external carbon source can be reduced under the condition of insufficient carbon source of inflow water.
Working conditions are as follows: under the condition that the water inflow amount and the water quality are overloaded, the comprehensive water inlet branch pipe 411 and the biological reaction water inlet branch pipe 412 are opened, the inflow water respectively enters the comprehensive pool module 10 and the anaerobic unit 21, the multipoint inflow water distribution is realized, and at the moment, the comprehensive pool module 10 has the functions of regulating the water amount and the water quality, and the follow-up biochemical system is prevented from being influenced by impact.
Examples effects and effects
According to the improved activated sludge process treatment device of the embodiment, the activated sludge process treatment device of the embodiment comprises the comprehensive tank module, the reaction tank module and the secondary sedimentation tank module which are sequentially communicated along the flow direction of sewage, so that the effluent ammonia nitrogen stably reaches the standard, the carbon source in sludge is fully utilized, the extra carbon source addition is reduced, and the impact resistance of the system is improved. Firstly, the activated sludge process treatment device of the embodiment can aerate the activated sludge in the integrated tank module through the rotary cutting mixed flow aerator of the aeration unit in the integrated tank module, and further can perform enhanced nitrification of activated sludge protospecies under aerobic conditions, so that the biomass of nitrifying bacteria is improved, the enhanced nitrifying bacteria enter the biological denitrification tank module at the rear end through a pipeline, the nitrification rate of the whole device is improved, and the ammonia nitrogen removal capacity of the activated sludge process treatment device is further improved. Secondly, the activated sludge process processing apparatus of this embodiment is through setting up the module intercommunication of two heavy ponds with synthesizing the pond module for the activated sludge in the module of two heavy ponds can be carried and synthesize the pond module, provides interior carbon source for activated sludge process processing apparatus. Particularly, when the temperature is high in summer, the rotary-cut mixed flow aerator in the comprehensive tank module can be closed, an anaerobic environment is formed in the comprehensive tank module, part of external return sludge of the secondary sedimentation tank module flows back into the comprehensive tank module through a pipeline, an internal carbon source can be released, the comprehensive tank module can be used as a carbon source extraction area, the internal carbon source released by the comprehensive tank module flows into the biological reaction tank module through the pipeline, the utilization rate of the internal carbon source is improved, and the addition of an additional carbon source is reduced. Finally, the activated sludge process treatment device of the embodiment has the advantages that the comprehensive tank module arranged at the front end (upstream) of the biological reaction tank module has the function of adjusting the quality and quantity of inlet water, and the problem of large impact caused by the fact that overload water and water directly enter the subsequent (downstream) biological reaction tank module is solved.
In addition, the activated sludge process treatment device of the embodiment, the comprehensive tank module is provided with a flow pushing unit, and activated sludge deposition in the comprehensive tank module can be prevented through the flow pushing device.
In addition, the activated sludge process processing apparatus of this embodiment, the inlet tube has comprehensive water inlet branch pipe and gives birth to anti-water inlet branch pipe, under the condition of the intake water volume and the quality of water overload, can realize the multiple spot water distribution of intaking, further makes and gives birth to the influence that the pond module avoids the impact.
The above-described embodiments are merely illustrative of specific embodiments of the present invention, and the present invention is not limited to the description of the above-described embodiments.
Claims (6)
1. An improved activated sludge process treatment apparatus, comprising:
a comprehensive tank module, a raw and reaction tank module and a secondary sedimentation tank module which are sequentially communicated and arranged along the flowing direction of the sewage,
wherein the secondary sedimentation tank module is communicated with the comprehensive tank module and is used for conveying the activated sludge in the secondary sedimentation tank module to the comprehensive tank module,
the comprehensive pool module is provided with an aeration unit,
the aeration unit is provided with a rotary-cutting mixed-flow aerator and an air suspension blower,
the rotary-cut mixed flow aerator is connected with the air suspension blower through an aerator pipe and is matched with the air suspension blower to aerate the activated sludge in the comprehensive tank module.
2. The improved activated sludge process apparatus as set forth in claim 1, wherein:
wherein the biological reaction tank module is provided with an anaerobic unit, an anoxic unit, an aerobic unit and a sludge internal return pipe,
the anaerobic unit, the anoxic unit and the aerobic unit are sequentially communicated and arranged along the flow direction of sewage,
the anaerobic unit is communicated with the comprehensive pool module,
the aerobic unit is communicated with the secondary sedimentation tank module,
the sludge internal return pipe is used for returning the nitrified liquid from the aerobic unit to the anoxic unit.
3. The improved activated sludge process apparatus as set forth in claim 2, wherein:
wherein the secondary sedimentation tank module is provided with an external sludge return pipe,
the sludge external return pipe is used for enabling the activated sludge in the secondary sedimentation tank module to respectively enter the comprehensive tank module and the anaerobic unit.
4. The improved activated sludge process apparatus as set forth in claim 1, wherein:
wherein the integrated pool module is also provided with a plug flow unit for avoiding the deposition of activated sludge.
5. The improved activated sludge process apparatus as set forth in claim 4, wherein:
wherein, the flow pushing unit is a flow pusher.
6. The improved activated sludge process apparatus as claimed in claim 2, further comprising:
and the water inlet module is communicated with the comprehensive pool module and the anaerobic unit respectively and is used for carrying out multi-point water inlet and distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122507141.0U CN215627073U (en) | 2021-10-18 | 2021-10-18 | Improved activated sludge process treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122507141.0U CN215627073U (en) | 2021-10-18 | 2021-10-18 | Improved activated sludge process treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215627073U true CN215627073U (en) | 2022-01-25 |
Family
ID=79935019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122507141.0U Active CN215627073U (en) | 2021-10-18 | 2021-10-18 | Improved activated sludge process treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215627073U (en) |
-
2021
- 2021-10-18 CN CN202122507141.0U patent/CN215627073U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110436704B (en) | Urban sewage treatment upgrading and reforming process based on anaerobic ammonia oxidation | |
| CN110615530B (en) | High-efficiency energy-saving multi-mode enhanced denitrification sewage treatment system | |
| CN201962168U (en) | System for strengthening denitrification and dephosphorization effects of A2/O process | |
| CN110590083A (en) | Sludge membrane sewage treatment device and method based on MABR | |
| CN111268796A (en) | System and method for treating low C/N ratio domestic sewage by anaerobic/anoxic filler and staged water inlet three-stage AO | |
| CN210595460U (en) | Combined device of denitrification-nitrosation-anaerobic ammonia oxidation | |
| CN113233593A (en) | Sewage treatment process and sewage treatment device | |
| CN211078812U (en) | High-efficient intelligent sewage treatment plant | |
| CN103739156B (en) | Method for performing biological denitrification of wastewater by using residual sludge and biological denitrification system for implementing same | |
| CN210683343U (en) | Rural domestic sewage MBR integration processing apparatus | |
| CN113233586A (en) | Multi-mode micro-aerobic aeration AAO-MBR high-efficiency energy-saving sewage treatment device and method | |
| CN112551828A (en) | Low-carbon-nitrogen-ratio rural domestic sewage treatment device and treatment process thereof | |
| CN112777872A (en) | Process for treating breeding wastewater with high ammonia nitrogen and low carbon nitrogen ratio | |
| CN107973406A (en) | One kind realizes dirty Organic substance in water and the separated apparatus and method of ammonia nitrogen | |
| CN215627073U (en) | Improved activated sludge process treatment device | |
| CN208776410U (en) | A kind of municipal sewage two stage treatment and advanced nitrogen coupling device | |
| CN215712067U (en) | Sewage deep denitrification treatment device | |
| CN215516829U (en) | High ammonia nitrogen sewage deep denitrification treatment device | |
| CN210340625U (en) | Combined membrane biological reaction tank sewage treatment system | |
| CN205933394U (en) | In put that oxygen nitrifies, both ends anoxic denitrification denitrification device | |
| CN211111295U (en) | Static sinking type sewage treatment device | |
| CN113443714A (en) | Sewage deep denitrification treatment device and method | |
| CN210915757U (en) | Mud membrane sewage treatment plant based on MABR | |
| CN210795923U (en) | Multistage AO coupling complex film nitrogen and phosphorus removal system | |
| CN210419440U (en) | MBR membrane bioreactor sewage treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |