CN202415261U - Multi-point control and multi-operation mode biological nitrogen and phosphorus removal treatment system - Google Patents
Multi-point control and multi-operation mode biological nitrogen and phosphorus removal treatment system Download PDFInfo
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- CN202415261U CN202415261U CN 201220046952 CN201220046952U CN202415261U CN 202415261 U CN202415261 U CN 202415261U CN 201220046952 CN201220046952 CN 201220046952 CN 201220046952 U CN201220046952 U CN 201220046952U CN 202415261 U CN202415261 U CN 202415261U
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Abstract
The utility model provides a multi-point control and multi-operation mode biological nitrogen and phosphorus removal treatment system which comprises a water inlet pipe, a biological reaction tank, a water inlet channel, a mixed liquid recycle channel, a water outlet pipe and a sludge recycle pipe, wherein the water inlet pipe is communicated with the water outlet channel; the biological reaction tank comprises five tanks A including a tank A1, a tank A2, a tank A3, a tank A4 and a tank A5 which are sequentially connected together in series and an oxic tank, the adjacent tanks A are communicated with each other, the tank A1 is communicated with the sludge recycle pipe, the tanks A1, A2 and A4 are communicated with the water inlet channel, and gates are arranged at all the communication parts; the tanks of A1, A3 and A4 are communicated with the mixed liquid recycle channel, and the gates are arranged at all the communication parts; and the tank A5 is communicated with a water inlet of the oxic tank, and a water outlet of the oxic tank is communicated with the water outlet pipe. A plurality of the tanks A which are used as the oxic tank and anaerobic tanks are arranged in one system, the operation modes of the reaction tank are adjusted through the multi-point water and sludge inlet control of the water inlet channel and a sludge recycle channel so as to adapt to the variations of water quality and water quantity, and the technological reliability and a nitrogen and phosphorus removal effect are ensured on the basis of improving the treatment effect.
Description
Technical field
The utility model relates to a kind of treatment system that is used for sewage is carried out denitrogenation dephosphorizing, belongs to technical field of sewage.
Background technology
If the water body of relative closures such as lake or bay is arrived in the sewage discharge nitrogenous, that phosphorus is more, then can produce eutrophication and cause water quality to worsen or the lake degeneration, influence its functions of use.Therefore, when sewage is handled, to carry out denitrogenation dephosphorizing as required and handle.The denitrification dephosphorization technique of widespread usage is A/A/O (anaerobic/anoxic/aerobic) biological denitrification phosphorous removal technique at present.A/A/O (anaerobic/anoxic/aerobic) biological denitrification phosphorous removal technique has following several kinds of operational modes:
1. traditional A/A/O (anaerobic/anoxic/aerobic) biological carbon and phosphorous removal treatment process
This technology is through adjustment sewage, mud mode of entrance; Form the setting of oxygen-starved area and anaerobic zone function; Sewage gets into anaerobic pond from the inlet gate that irrigation channel is positioned at anaerobic pond; The mud external reflux gets into anaerobic pond from the inlet gate that mud external reflux channel is positioned at anaerobic pond, and the mixed-liquor return mud internal reflux canal that pool wall is provided with between aerobic zone and oxygen-starved area gets into anoxic pond.
2. improve A/A/O (anaerobic/anoxic/aerobic) biological carbon and phosphorous removal treatment process
This technology is through adjustment sewage mode of entrance; Form oxygen-starved area and the definitely setting of anaerobic zone function; Make sewage get into preparatory anoxic pond and anaerobic pond respectively from the inlet gate that irrigation channel is positioned at preparatory anoxic pond, anaerobic pond in proportion; The inlet gate that the mud external reflux is positioned at preparatory anoxic pond from mud external reflux channel gets into preparatory anoxic pond and carries out anti-nitration reaction earlier, removes dissolved oxygen and nitrate nitrogen in the returned sluge, and then gets into anaerobic zone; Can guarantee the anaerobism effect of anaerobic zone like this, improve the dephosphorization ability of system.Principle is that the organism in partly being intake by the denitrifying bacteria utilization in the preparatory anoxic pond falls the nitric nitrogen denitrification in the returned sluge as carbon source; Make the anaerobism segment base originally not contain nitrate nitrogen or content is lower; Be unlikely the phosphorus that has influence on polyP bacteria and discharge, still can obtain phosphor-removing effect preferably under the situation that reach very insufficient, the denitrification degree is not really high at water-inlet carbon source.The mixed-liquor return mud internal reflux canal that pool wall is provided with between aerobic zone and oxygen-starved area gets into anoxic pond.
3. inversion A/A/O (hypoxic/anaerobic/aerobic) biological carbon and phosphorous removal treatment process
Compare with the traditional biological denitrification dephosphorization technique, through the inversion of anaerobism, anaerobic environment, inversion A/A/O (hypoxic/anaerobic/aerobic) technology has that the denitrogenation dephosphorizing ability is strong, flow process simple (only a cover mud refluxes), cost are low, the characteristics of economic operating cost.This technology is to make sewage get into anoxic pond and anaerobic pond respectively from the inlet gate that irrigation channel is positioned at anoxic pond, anaerobic pond in proportion; The mud external reflux gets into anoxic pond from the inlet gate that mud external reflux channel is positioned at anoxic pond; To replenish the required nitrate salt of denitrification, to improve denitrification effect.This technology such as Chinese patent document CN201376929 disclosed " being inverted hypoxic/anaerobic/aerobic WWT and reuse associated plant ".
4. modified form inversion A/A/O (hypoxic/anaerobic/aerobic) biological carbon and phosphorous removal treatment process
This technology is on inversion A/A/O technology basis, to have increased mud internal reflux system.Sewage gets into anoxic pond and anaerobic pond respectively from the inlet gate that irrigation channel is positioned at anoxic pond, anaerobic pond in proportion; The mud external reflux gets into anoxic pond from the inlet gate that mud external reflux channel is positioned at anoxic pond; To replenish the required nitrate salt of denitrification, to improve denitrification effect.The mixed-liquor return mud internal reflux canal that pool wall is provided with between aerobic zone and oxygen-starved area gets into anoxic pond.
(5.A/O anoxic/aerobic) biological phosphate-eliminating treatment process
This technology is that leading portion is set to the oxygen-starved area function; Make sewage get into anoxic pond from the influent weir that irrigation channel is positioned at anoxic pond; The mud external reflux gets into anoxic pond from the inlet gate that mud external reflux channel is positioned at anoxic pond; The mixed-liquor return mud internal reflux canal that pool wall is provided with between aerobic zone and oxygen-starved area gets into anoxic pond, to replenish the required nitrate salt of denitrification, with the strengthened denitrification effect.
(6.A/O aerobic/anaerobic) biological denitrificaion treatment process
This technology be with leading portion be set to the anaerobic zone function, make sewage get into anaerobic pond from the inlet gate that irrigation channel is positioned at anaerobic pond, the mud external reflux gets into anaerobic pond from the inlet gate that mud external reflux channel is positioned at anaerobic pond.
The function of A/A/O biological carbon and phosphorous removal is the comprehensive of organic matter removal, denitrogenation, three kinds of functions of dephosphorization, thereby its processing parameter should satisfy the requirement of various functions simultaneously.Above-mentioned various biological denitrificaion treatment process respectively has characteristics; Adopt which kind of technology operational mode to select according to concrete sewage situation; But present A/A/O biological carbon and phosphorous removal system can only accomplish a kind of operational mode of technology; When the sewage situation changes, can not change operational mode, can not guarantee the effect of denitrogenation dephosphorizing.
Summary of the invention
The utility model is to the deficiency that existing bio-denitrifying sewage treatment technology exists, and provides a kind of and can change operational mode with the sewage changed condition, guarantees that the multiple spot of denitrogenation dephosphorizing effect controls the biological carbon and phosphorous removal treatment system of many operational modes.
The multiple spot of the utility model is controlled the biological carbon and phosphorous removal treatment system of many operational modes, adopts following technical solution:
This biological carbon and phosphorous removal treatment system comprises water inlet pipe, biological reaction tank, inlet channel, mixed-liquor return canal, rising pipe and mud return line; Water inlet pipe is communicated with inlet channel; Biological reaction tank comprises A1, A2, A3, A4 and five A pond (detesting/anoxic pond) and Aerobic Ponds of going here and there successively together of A5; Adjacent A pond is communicated with; The A1 pond is communicated with mud return line, and A1 pond, A2 pond and A4 pond are communicated with inlet channel, and each connection place is provided with gate; A1 pond, A3 pond and A4 pond are communicated with the mixed-liquor return canal, and each connection place is provided with gate; The A5 pond is communicated with the water-in of Aerobic Pond, and the water outlet of Aerobic Pond is communicated with rising pipe.
Said system is through a plurality of anoxic pond of reaction tank leading portion setting and the combination of anaerobic pond; Realize multipoint water feeding, the control of multiple spot mixed-liquor return, make the operational mode can be by kinds of processes mode operations such as " traditional A/A/O ", " improvement A/A/O ", " inversion A/A/O ", " A/O (aerobic/anaerobic) ", " A/O (anoxics/aerobic) ".
The utility model passes through the change to the arrangement form of A/A/O biological reaction tank; A plurality of A ponds as anoxic pond and anaerobic pond are set in a system; Through multipoint water feeding, the control of multiple spot mixed-liquor return of inlet channel, mixed-liquor return canal, the operational mode of adjustment reaction tank adapts to the variation of water quality and quantity; Improving on the treatment effect basis, guarantee reliability of technology and denitrogenation dephosphorizing effect.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Wherein: 1, water inlet pipe, 2, the A pond, 3, Aerobic Pond, 4, inlet channel, 5, the mixed-liquor return canal, 6, rising pipe, 7, mud return line.
Embodiment
The multiple spot of the utility model is controlled the biological carbon and phosphorous removal treatment system of many operational modes, and is as shown in Figure 1, comprises water inlet pipe 1, biological reaction tank, inlet channel 4, mixed-liquor return canal 5, rising pipe 6 and mud return line 7.Biological reaction tank comprises that five A pond 2 and 3, five A ponds 2 of an Aerobic Pond of going here and there together successively are respectively A1, A2, A3, A4 and A5, and adjacent A pond was passed through the water hole and is communicated with.Five A ponds 2 can be all as anaerobic pond or anoxic pond, also can part as anaerobic pond, another part is as anoxic pond, Aerobic Pond 3 is the pulling flow type reaction tank.Inlet channel 4 is communicated with water inlet pipe 1, and sewage gets into inlet channel 4 by water inlet pipe 1.The A1 pond is communicated with mud return line 7, and the mud of WWT post precipitation gets into mud backflow well, is promoted to mud return line 7 by lift pump, and refluxing enters in the A1 pond.A1, A2 and A4 pond are communicated with inlet channel 4, and each connection place is equipped with gate.Aerobic Pond 3 terminal mixed solutions get into mixed-liquor return canal 5 through reflux pump, and A1, A3 and A4 pond are communicated with mixed-liquor return canal 5, and each connection place is provided with gate.Discharge native system by rising pipe 6.The A5 pond is communicated with the water-in of Aerobic Pond 3, and the water outlet of Aerobic Pond 3 is communicated with rising pipe 6.
The utility model can be by kinds of processes mode operations such as " traditional A/A/O (anaerobic/anoxic/aerobic) ", " improvement A/A/O (anaerobic/anoxic/aerobic) ", " inversion A/A/O (hypoxic/anaerobic/aerobic) ", " modified form inversion A/A/O (hypoxic/anaerobic/aerobic) ", " A/O (aerobic/anaerobic) ", " A/O (anoxics/aerobic) ":
In the time need moving according to traditional A/A/O (anaerobic/anoxic/aerobic) biological carbon and phosphorous removal treatment process, as anaerobic pond, back A3, A4 and three A ponds of A5 are as anoxic pond with front A1 and two A ponds of A2.Inlet channel 4 is opened with the gate that the A1 pond is communicated with, and mixed-liquor return canal 5 is opened with the gate that the A3 pond is communicated with, all the other closing gates.Returned sluge gets into the A1 pond through mud return line 7, and sewage and returned sluge get into other A pond and Aerobic Pond 3 successively, is discharged by Aerobic Pond 3 terminal rising pipes 6 at last.
When needs moved according to improvement A/A/O (anaerobic/anoxic/aerobic) biological carbon and phosphorous removal treatment process, as preparatory anoxic pond, A2 pond and A3 pond were as anaerobic pond with the A1 pond, and A4 pond and A5 pond are as anoxic pond.Inlet channel 4 is opened with the gate that A1 pond and A2 pond are communicated with, and mixed-liquor return canal 5 is opened with the gate that the A4 pond is communicated with, all the other closing gates.Sewage gets into A1 pond and A3 pond respectively in the ratio of 3:7 or 4:6, and mixed-liquor return is to the A3 pond, and returned sluge gets into the A1 pond through mud return line 7, is finally discharged by Aerobic Pond 3 terminal rising pipes 6.
When needs moved according to inversion A/A/O (hypoxic/anaerobic/aerobic) biological carbon and phosphorous removal treatment process, as anoxic pond, back A4 and A5 two A ponds were as anaerobic pond with front A1, A2 and three A ponds of A3.Inlet channel 4 is opened with the gate that A1 pond and A4 pond are communicated with, all the other closing gates.Sewage gets into A1 and A4 pond respectively in the ratio of 3:7 or 5:5, and returned sluge gets into the A1 pond through mud return line 7, is finally discharged by Aerobic Pond 3 terminal rising pipes 6.
When needs moved according to modified form inversion A/A/O (hypoxic/anaerobic/aerobic) biological carbon and phosphorous removal treatment process, as anoxic pond, back A4 and A5 two A ponds were as anaerobic pond with front A1, A2 and three A ponds of A3.Inlet channel 4 is opened with the gate that A1 pond and A4 pond are communicated with, and mixed-liquor return canal 5 is opened with the gate that the A4 pond is communicated with, all the other closing gates.Sewage gets into A1 and A4 pond respectively in the ratio of 3:7 or 5:5, and mixed-liquor return is to the A4 pond, and returned sluge gets into the A1 pond through mud return line 7, is finally discharged by Aerobic Pond 3 terminal rising pipes 6.
When needs moved according to A/O (anoxic/aerobic) biological denitrificaion treatment process, each A pond was all as anoxic pond, and inlet channel 4 is opened with the gate that the A1 pond is communicated with, and mixed-liquor return canal 5 is opened with the gate that the A1 pond is communicated with, all the other closing gates; Sewage gets into the A1 pond, and mixed-liquor return is to the A1 pond, and returned sluge gets into the A1 pond through mud return line 7, is finally discharged by Aerobic Pond 3 terminal rising pipes 6.
When needs moved according to A/O (aerobic/anaerobic) biological denitrificaion treatment process, each A pond was all as anaerobic pond, and inlet channel 4 is opened with the gate that the A1 pond is communicated with, all the other closing gates; The mixed-liquor return system closing; Sewage gets into the A1 pond, and returned sluge gets into the A1 pond through mud return line 7, is finally discharged by Aerobic Pond 3 terminal rising pipes 6.
Claims (1)
1. a multiple spot is controlled the biological carbon and phosphorous removal treatment system of many operational modes, comprises water inlet pipe, biological reaction tank, inlet channel, mixed-liquor return canal, rising pipe, mud return line; It is characterized in that: water inlet pipe is communicated with inlet channel; Biological reaction tank comprises A1, A2, A3, A4 and five A pond and Aerobic Ponds of going here and there successively together of A5, and adjacent A pond is communicated with, and the A1 pond is communicated with mud return line, and A1, A2 and A4 pond are communicated with inlet channel, and each connection place is provided with gate; A1, A3 and A4 pond are communicated with the mixed-liquor return canal, and each connection place is provided with gate; The A5 pond is communicated with the water-in of Aerobic Pond, and the water outlet of Aerobic Pond is communicated with rising pipe.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482760A (en) * | 2013-10-14 | 2014-01-01 | 上海市城市建设设计研究总院 | Multi-mode biological reaction tank with aeration oxidation ditches |
| CN104030439A (en) * | 2014-06-05 | 2014-09-10 | 天津市市政工程设计研究院 | Multi-mode operating AAO biological reaction tank |
| CN104724826A (en) * | 2015-03-24 | 2015-06-24 | 浙江汉蓝环境科技有限公司 | Biochemical treatment method of industrial wastewater and aerobic tank |
| CN105217886A (en) * | 2015-10-10 | 2016-01-06 | 上海市政工程设计研究总院（集团）有限公司 | A kind of method using the biological reaction tank of energy switch mode to dispose of sewage |
| CN105461061A (en) * | 2015-12-31 | 2016-04-06 | 华南理工大学 | A<2>/O-biology synchronous nitrogen and phosphorus removal device and method for urban sewage |
| CN106495322A (en) * | 2016-11-07 | 2017-03-15 | 天津市市政工程设计研究院 | A kind of A of multistage multi-mode operation2/ O biological reaction pools |
| CN106745738A (en) * | 2016-12-20 | 2017-05-31 | 上海市城市排水有限公司东区水质净化厂 | A kind for the treatment of tank and handling process |
| CN108862589A (en) * | 2018-07-25 | 2018-11-23 | 苏州市排水有限公司 | A kind of multi-mode integrated effluent disposal system |
| CN109467189A (en) * | 2018-12-20 | 2019-03-15 | 北京博汇特环保科技股份有限公司 | Biochemical reactor |
| CN111908608A (en) * | 2020-07-07 | 2020-11-10 | 同济大学 | Multi-section variable membrane bioreactor sewage treatment system and use method thereof |
| CN114162969A (en) * | 2021-12-06 | 2022-03-11 | 长沙中联重科环境产业有限公司 | Bardenpho nitrogen and phosphorus removal system capable of running in multiple modes and treatment process |
| CN114644434A (en) * | 2022-04-13 | 2022-06-21 | 同济大学 | Sewage low-carbon biological treatment system and method adaptive to water quality change |
| CN115340180A (en) * | 2022-08-09 | 2022-11-15 | 天津泰达水业有限公司 | Hydrolysis acidification tank, multi-mode AAO treatment system and treatment and dosing method |
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2012
- 2012-02-14 CN CN 201220046952 patent/CN202415261U/en not_active Expired - Fee Related
Cited By (17)
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| CN103482760A (en) * | 2013-10-14 | 2014-01-01 | 上海市城市建设设计研究总院 | Multi-mode biological reaction tank with aeration oxidation ditches |
| CN104030439A (en) * | 2014-06-05 | 2014-09-10 | 天津市市政工程设计研究院 | Multi-mode operating AAO biological reaction tank |
| CN104724826A (en) * | 2015-03-24 | 2015-06-24 | 浙江汉蓝环境科技有限公司 | Biochemical treatment method of industrial wastewater and aerobic tank |
| CN104724826B (en) * | 2015-03-24 | 2016-06-08 | 浙江汉蓝环境科技有限公司 | A kind of method of biochemical treatment industrial wastewater and Aerobic Pond |
| CN105217886A (en) * | 2015-10-10 | 2016-01-06 | 上海市政工程设计研究总院（集团）有限公司 | A kind of method using the biological reaction tank of energy switch mode to dispose of sewage |
| CN105461061A (en) * | 2015-12-31 | 2016-04-06 | 华南理工大学 | A<2>/O-biology synchronous nitrogen and phosphorus removal device and method for urban sewage |
| CN106495322A (en) * | 2016-11-07 | 2017-03-15 | 天津市市政工程设计研究院 | A kind of A of multistage multi-mode operation2/ O biological reaction pools |
| CN106745738A (en) * | 2016-12-20 | 2017-05-31 | 上海市城市排水有限公司东区水质净化厂 | A kind for the treatment of tank and handling process |
| CN108862589A (en) * | 2018-07-25 | 2018-11-23 | 苏州市排水有限公司 | A kind of multi-mode integrated effluent disposal system |
| CN108862589B (en) * | 2018-07-25 | 2024-02-23 | 苏州市排水有限公司 | Multi-mode integrated sewage treatment system |
| CN109467189A (en) * | 2018-12-20 | 2019-03-15 | 北京博汇特环保科技股份有限公司 | Biochemical reactor |
| CN111908608A (en) * | 2020-07-07 | 2020-11-10 | 同济大学 | Multi-section variable membrane bioreactor sewage treatment system and use method thereof |
| CN114162969A (en) * | 2021-12-06 | 2022-03-11 | 长沙中联重科环境产业有限公司 | Bardenpho nitrogen and phosphorus removal system capable of running in multiple modes and treatment process |
| CN114162969B (en) * | 2021-12-06 | 2023-05-09 | 宇星环保工程有限公司 | Bardenpho denitrification and dephosphorization system capable of operating in multiple modes and treatment process |
| CN114644434A (en) * | 2022-04-13 | 2022-06-21 | 同济大学 | Sewage low-carbon biological treatment system and method adaptive to water quality change |
| CN114644434B (en) * | 2022-04-13 | 2022-12-06 | 同济大学 | Sewage low-carbon biological treatment system and method adaptive to water quality change |
| CN115340180A (en) * | 2022-08-09 | 2022-11-15 | 天津泰达水业有限公司 | Hydrolysis acidification tank, multi-mode AAO treatment system and treatment and dosing method |
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Granted publication date: 20120905 Termination date: 20130214 |