CN203976481U - Intensified denitrification and dephosphorization of urban sewage system based on fine-grained management - Google Patents
Intensified denitrification and dephosphorization of urban sewage system based on fine-grained management Download PDFInfo
- Publication number
- CN203976481U CN203976481U CN201420353484.3U CN201420353484U CN203976481U CN 203976481 U CN203976481 U CN 203976481U CN 201420353484 U CN201420353484 U CN 201420353484U CN 203976481 U CN203976481 U CN 203976481U
- Authority
- CN
- China
- Prior art keywords
- pond
- zone
- aerobic
- denitrification
- dephosphorization
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a kind of intensified denitrification and dephosphorization of urban sewage system based on fine-grained management, and returned sluge endogenous denitrification pond is connected with anaerobic pond by water outlet, and anaerobic pond is connected with anoxic pond by water outlet; In Aerobic Pond, there is zone of transition, aerobic zone and internal reflux and put preposition Xiao Yang district, one end of aerobic zone is connected with zone of transition, the other end of aerobic zone is put preposition Xiao Yang district with internal reflux and is connected, anoxic pond is connected with the zone of transition in Aerobic Pond by water outlet, be provided with the first micro-pore aeration system and the first underwater scooter in zone of transition, be provided with the second micro-pore aeration system in aerobic zone, put preposition Xiao Yang district at internal reflux and be provided with the second underwater scooter.The utility model is based on fine-grained management, returned sluge endogenous denitrification, internal reflux are put to the technology such as preposition Xiao Yang district, zone of transition setting, denitrification dephosphorization integrated, for low ratio of carbon to ammonium intensified denitrification and dephosphorization of urban sewage, can solve the problems such as sewage work's utilization of carbon source rate is low, biological denitrification dephosphorization efficiency by using is low, operation energy consumption material consumption height.
Description
Technical field
The utility model relates to a kind of Sewage treatment systems, and the utility model especially relates to a kind of intensified denitrification and dephosphorization of urban sewage system based on fine-grained management.
Background technology
Along with the enforcement of one-level A standard (GB18918-2002), China is newly-built or built up large quantities of maximum discharge standard urban wastewater treatment firms by proposing mark transformation, obtain good environmental benefit, but due to engineering design or operational management improper, cause the low and sewage disposal unit power consumption of maximum discharge standard sewage treatment plant biological denitrification dephosphorization efficiency by using and medicine to consume too high problem.
Moreover China's municipal effluent water inlet has water quality and quantity fluctuation greatly and carbon-nitrogen ratio feature on the low side, also can have a negative impact to the denitrogenation dephosphorizing of Sewage treatment systems.According to statistics, China urban wastewater treatment firm water inlet BOD in 2008
5/ TN average is only 3.49,60% urban wastewater treatment firm water inlet BOD
5/ TN is lower than 4.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of can intensified denitrification and dephosphorization, reduce the intensified denitrification and dephosphorization of urban sewage system based on fine-grained management of operation energy consumption material consumption.
The technical scheme providing according to the utility model, the described intensified denitrification and dephosphorization of urban sewage system based on fine-grained management, it comprises returned sluge endogenous denitrification pond, anaerobic pond, anoxic pond and Aerobic Pond; The water outlet in described returned sluge endogenous denitrification pond is connected with anaerobic pond, and the water outlet of anaerobic pond is connected with anoxic pond; In Aerobic Pond, there is zone of transition, aerobic zone and internal reflux and put preposition Xiao Yang district, one end of aerobic zone is connected with zone of transition, the other end of aerobic zone is put preposition Xiao Yang district with internal reflux and is connected, the water outlet of anoxic pond joins with the zone of transition being arranged in Aerobic Pond, on bottom surface, zone of transition pond in Aerobic Pond, be provided with the first micro-pore aeration system, in Aerobic Pond, on the bottom surface, pond of aerobic zone, be provided with the second micro-pore aeration system.
The 1-2 that described returned sluge endogenous denitrification pond useful volume is anaerobic pond doubly.
Also comprise internal reflux system, and the internal reflux that internal reflux system is arranged on Aerobic Pond is put between preposition Xiao Yang district and anoxic pond.
The useful volume of described zone of transition accounts for 1/9 of the total basin's effective volume of Aerobic Pond.
The useful volume of described aerobic zone accounts for 7/9 of the total basin's effective volume of Aerobic Pond.
The useful volume that described internal reflux is put preposition Xiao Yang district accounts for 1/9 of the total basin's effective volume of Aerobic Pond.
Zone of transition in Aerobic Pond is provided with the first underwater scooter, and the internal reflux in Aerobic Pond is put preposition Xiao Yang district and is provided with the second underwater scooter.
The utlity model has following advantage and positively effect:
1. the utility model is made denitrifying carbon source with the contained organism of returned sluge self, and former water does not enter returned sluge endogenous denitrification pond, can reinforcing process system denitrification ability, reduce additional carbon dosage;
2. former water enters anaerobic pond completely, can reinforced anaerobic pond anaerobic phosphorus release effect, and then the aerobic suction phosphorus of the denitrification dephosphorization of strengthening subsequent anoxic pond and Aerobic Pond, be conducive to reduce aeration energy consumption and the chemical auxiliary dephosphorization medicine consumption of process system;
3. at the front end of Aerobic Pond, zone of transition is set, according to moving adjustment season, low temperature season is nitrated by aerobic operation strengthening, and non-low temperature season is intensified anti-nitrated by anoxic operation, is conducive to the denitrogenation of reinforcing process system;
4. internal reflux is set and selects preposition Xiao Yang district and can obviously slow down internal reflux mixed solution dissolved oxygen to the denitrifying disadvantageous effect of anoxic pond, improve water-inlet carbon source utilization ratio, reach the object of reinforcing process system denitrogenation;
Process system by returned sluge endogenous denitrification technology, internal reflux put preposition Xiao Yang district technology, that zone of transition arranges the fine-grained management technology such as technology, Denitrifying Phosphorus Removal Technology, circular groove type designing technique is integrated, for low ratio of carbon to ammonium intensified denitrification and dephosphorization of urban sewage, can solve the problems such as existing municipal sewage plant water-inlet carbon source utilization ratio is low, biological denitrification dephosphorization efficiency by using is low, operation energy consumption material consumption is high, water quality and quantity fluctuation is large.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
Be somebody's turn to do the intensified denitrification and dephosphorization of urban sewage system based on fine-grained management, it comprises returned sluge endogenous denitrification pond 1, anaerobic pond 2, anoxic pond 3 and Aerobic Pond 4; The water outlet in described returned sluge endogenous denitrification pond 1 is connected with anaerobic pond 2, and the water outlet of anaerobic pond 2 is connected with anoxic pond 3; In Aerobic Pond 4, there is zone of transition 4.1, aerobic zone 4.2 and internal reflux and put preposition Xiao Yang district 4.3, one end of aerobic zone 4.2 is connected with zone of transition 4.1, the other end of aerobic zone 4.2 is put preposition Xiao Yang district 4.3 with internal reflux and is connected, zone of transition 4.1 in the water outlet of anoxic pond 3 and Aerobic Pond 4 is joined, on the bottom surface, pond of the zone of transition 4.1 in Aerobic Pond 4, be provided with the first micro-pore aeration system 4.4, on the bottom surface, pond of the aerobic zone 4.2 in Aerobic Pond 4, be provided with the second micro-pore aeration system 4.6.
The useful volume in described returned sluge endogenous denitrification pond 1 is 1-2 times of anaerobic pond 2.
Also comprise internal reflux system 5, and the internal reflux that internal reflux system 5 is arranged on Aerobic Pond 4 is put between preposition Xiao Yang district 4.3 and anoxic pond 3.
The useful volume of described zone of transition 4.1 accounts for 1/9 of Aerobic Pond 4 total basin's effective volumes.
The useful volume of described aerobic zone 4.2 accounts for 7/9 of Aerobic Pond 4 total basin's effective volumes.
The useful volume that described internal reflux is put preposition Xiao Yang district 4.3 accounts for 1/9 of Aerobic Pond 4 total basin's effective volumes.
Zone of transition 4.1 in Aerobic Pond 4 is provided with the first underwater scooter 4.5, and the internal reflux in Aerobic Pond 4 is put preposition Xiao Yang district 4.3 and is provided with the second underwater scooter 4.7.
In the utility model, the first micro-pore aeration system 4.4 and the second micro-pore aeration system 4.6 must be controlled separately.At non-low temperature season, close the first micro-pore aeration system 4.4 and open the first underwater scooter 4.5; At low temperature season, open the first micro-pore aeration system 4.4 and close the first underwater scooter 4.5.
Returned sluge endogenous denitrification pond 1 only enters from the returned sluge 6 of second pond, and municipal effluent 7 after pretreatment enters anaerobic pond 2 completely; Aerobic Pond goes out water mixed liquid 8 and enters second pond by aerobic zone 4.2 end gravity flows.
It is a kind of intensified denitrification and dephosphorization technology based on fine-grained management that the utility model adopts returned sluge endogenous denitrification technology, utilize the returned sluge endogenous denitrification effect of long period, realize the abundant excavation of internal system carbon source and strengthened denitrification, and water inlet enters anaerobic pond 3 completely, can enhanced biological phosphorus removal and denitrification dephosphorization.Internal reflux is put preposition Xiao Yang district 4.3 technology, it is a kind of strengthened denitrification technology based on fine-grained management, eliminate internal reflux mixed solution dissolved oxygen to the denitrifying disadvantageous effect of anoxic pond by Xiao Yang district is set before internal reflux is selected, can improve water-inlet carbon source utilization ratio, there is good strengthened denitrification function.
The utility model adopts Denitrifying Phosphorus Removal Technology, owing to can realizing " carbon is dual-purpose ", there is certain strengthened denitrification function, and due to taking nitrate nitrogen as electron acceptor(EA), can reduce technique aeration energy consumption, be also a kind of fine-grained management technology, but in existing a lot of sewage works, due to the reasons such as pre-anoxic pond or the chemical dephosphorization disadvantageous effect to biological phosphate-eliminating not being set before anaerobic pond, process system is substantially without denitrification dephosphorization function.
The utility model adopts zone of transition 4.1 that technology is set, zone of transition 4.1 to be arranged on to aerobic zone 4.2 and internal reflux is put between preposition Xiao Yang district 4.3, according to moving adjustment season, the handiness of process operation can be increased, the intensified anti-nitrated object of the low temperature season nitrated and non-low temperature season of strengthening can be realized.The circular groove type design of returned sluge endogenous denitrification pond 1, anaerobic pond 2, anoxic pond 3 and Aerobic Pond 4, has stronger capacity of resisting impact load, and can solve municipal sewage plant's water quality and quantity fluctuation affects greatly stable water outlet problem up to standard.
Claims (7)
1. the intensified denitrification and dephosphorization of urban sewage system based on fine-grained management, is characterized in that: it comprises returned sluge endogenous denitrification pond (1), anaerobic pond (2), anoxic pond (3) and Aerobic Pond (4), the water outlet in described returned sluge endogenous denitrification pond (1) is connected with anaerobic pond (2), and the water outlet of anaerobic pond (2) is connected with anoxic pond (3), in Aerobic Pond (4), there is zone of transition (4.1), aerobic zone (4.2) and internal reflux are put preposition Xiao Yang district (4.3), one end of aerobic zone (4.2) is connected with zone of transition (4.1), the other end of aerobic zone (4.2) is put preposition Xiao Yang district (4.3) with internal reflux and is connected, the water outlet of anoxic pond (3) joins with the zone of transition (4.1) being arranged in Aerobic Pond (4), on zone of transition (4.1) bottom surface, pond in Aerobic Pond (4), be provided with the first micro-pore aeration system (4.4), on bottom surface, pond, aerobic zone (4.2) in Aerobic Pond (4), be provided with the second micro-pore aeration system (4.6).
2. the intensified denitrification and dephosphorization of urban sewage system based on fine-grained management as claimed in claim 1, is characterized in that: described returned sluge endogenous denitrification pond (1) useful volume is 1-2 times of anaerobic pond (2).
3. the intensified denitrification and dephosphorization of urban sewage system based on fine-grained management as claimed in claim 1, it is characterized in that: also comprise internal reflux system (5), and the internal reflux that internal reflux system (5) is arranged on Aerobic Pond (4) is put between preposition Xiao Yang district (4.3) and anoxic pond (3).
4. the intensified denitrification and dephosphorization of urban sewage system based on fine-grained management as claimed in claim 1, is characterized in that: the useful volume of described zone of transition (4.1) accounts for 1/9 of the total basin's effective volume of Aerobic Pond (4).
5. the intensified denitrification and dephosphorization of urban sewage system based on fine-grained management as claimed in claim 1, is characterized in that: the useful volume of described aerobic zone (4.2) accounts for 7/9 of the total basin's effective volume of Aerobic Pond (4).
6. the intensified denitrification and dephosphorization of urban sewage system based on fine-grained management as claimed in claim 1, is characterized in that: the useful volume that described internal reflux is put preposition Xiao Yang district (4.3) accounts for 1/9 of the total basin's effective volume of Aerobic Pond (4).
7. the intensified denitrification and dephosphorization of urban sewage system based on fine-grained management as claimed in claim 1, it is characterized in that: the zone of transition (4.1) in Aerobic Pond (4) is provided with the first underwater scooter (4.5), and the internal reflux in Aerobic Pond (4) is put preposition Xiao Yang district (4.3) and is provided with the second underwater scooter (4.7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420353484.3U CN203976481U (en) | 2014-06-27 | 2014-06-27 | Intensified denitrification and dephosphorization of urban sewage system based on fine-grained management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420353484.3U CN203976481U (en) | 2014-06-27 | 2014-06-27 | Intensified denitrification and dephosphorization of urban sewage system based on fine-grained management |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203976481U true CN203976481U (en) | 2014-12-03 |
Family
ID=51973945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420353484.3U Expired - Fee Related CN203976481U (en) | 2014-06-27 | 2014-06-27 | Intensified denitrification and dephosphorization of urban sewage system based on fine-grained management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203976481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030443A (en) * | 2014-06-27 | 2014-09-10 | 中国市政工程华北设计研究总院有限公司 | Fine management-based municipal sewage enhanced phosphorus and nitrogen removal system and treatment process thereof |
-
2014
- 2014-06-27 CN CN201420353484.3U patent/CN203976481U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030443A (en) * | 2014-06-27 | 2014-09-10 | 中国市政工程华北设计研究总院有限公司 | Fine management-based municipal sewage enhanced phosphorus and nitrogen removal system and treatment process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104030443B (en) | A kind of intensified denitrification and dephosphorization of urban sewage system and treatment process thereof based on fine-grained management | |
| CN103936150B (en) | The low C/N municipal effluent short distance nitration/Anammox+denitrification method of Continuous Flow | |
| CN104058555B (en) | Based on low ratio of carbon to ammonium municipal effluent denitrification system and the treatment process of Anammox | |
| CN109574218B (en) | Device and method for treating late landfill leachate through shortcut nitrification-fermentation/denitrification-anaerobic ammonia oxidation process | |
| CN104341075A (en) | Variable-volume improved A<2>/O deep nitrogen and phosphorus removal process for sewage | |
| CN104860482A (en) | Advanced nitrogen removal method for treating late landfill leachate with upflow anaerobic sludge blanket, anoxic/oxic and anaerobic ammonia oxidation reactor combined process | |
| CN102815841A (en) | Reconstruction process of nitrogen and phosphorus removing by two-stage bio-contact oxidation | |
| CN110255714A (en) | A kind of low carbon source urban sewage processing system and method | |
| CN105293834A (en) | Integrated iods reactor | |
| CN103896453B (en) | The apparatus and method of denitrification dephosphorization-membrane aeration biomembrane coupled reactor process sanitary sewage | |
| CN104445840A (en) | A2/O-MBR composite processing system and method based on efficient utilization of carbon source | |
| CN104743734B (en) | A kind of method that manifold type bio-denitrifying sewage dephosphorization is reclaimed with phosphate | |
| CN103482819B (en) | Device and method for processing domestic wastewater by means of A2O and submerged biological filter | |
| CN105130118A (en) | Partial-nitrification-and-anaerobic-ammonia-oxidation-combined denitrification method and device for synchronously treating urban sewage and mature landfill leachate | |
| CN203999266U (en) | Low ratio of carbon to ammonium municipal effluent denitrification system based on Anammox | |
| CN203999260U (en) | A kind of synchronous denitrification dephosphorizing film bioreactor device | |
| CN101863592B (en) | Leachate treatment method for small town household refuse landfill sites | |
| CN103936230A (en) | Sewage treating method combining activated sludge process with bio-contact oxidation process | |
| CN207659276U (en) | A kind of integrated sewage disposal system | |
| CN203976481U (en) | Intensified denitrification and dephosphorization of urban sewage system based on fine-grained management | |
| CN204779235U (en) | Device of landfill leachate degree of depth denitrogenation in later period | |
| CN204111523U (en) | Percolate short-cut nitrification and denitrification denitrogenation special purpose device | |
| CN204509061U (en) | A kind of coagulation Anoxic/Aerobic total system of composite waste | |
| CN204251415U (en) | Arrange internal reflux mixed solution to disappear the strengthened denitrification system in oxygen pond | |
| CN103214091B (en) | A kind of source sludge decrement process of returned sluge alkaline purification-acidifying |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170627 |