CN108483651A - The modified form multi-mode operation A adjusted based on water quality and quantity2O reaction tanks and sewage disposal system - Google Patents
The modified form multi-mode operation A adjusted based on water quality and quantity2O reaction tanks and sewage disposal system Download PDFInfo
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- CN108483651A CN108483651A CN201810524491.8A CN201810524491A CN108483651A CN 108483651 A CN108483651 A CN 108483651A CN 201810524491 A CN201810524491 A CN 201810524491A CN 108483651 A CN108483651 A CN 108483651A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
A kind of modified form multi-mode operation A adjusted based on water quality and quantity disclosed by the invention2O reaction tanks, including：Pass sequentially through preposition anoxic pond, anaerobic pond, anoxic pond, aerobic tank and the sedimentation basin of pipeline connection；One is mounted on the electromagnetic flowmeter for monitoring amount of inlet water on the water inlet line；One is mounted on the water monitoring device on the water inlet line；It is several to be mounted on the electric check valve of reaction tank everywhere；And a PLC control system, the PLC control system are connect with the electromagnetic flowmeter, water monitoring device and several electric check valves respectively.Include above-mentioned modified form multi-mode operation A the invention also discloses one kind2O reaction tank sewage disposal systems.The multi-mode operation A of the present invention2O reaction tanks can automatically switch operational mode according to the variation of influent quality and/or amount of inlet water, give full play to the maximum effect of anaerobism, anoxic the two separate tanks, and biological denitrificaion and biological phosphate-eliminating are carried out to sewage to realize.
Description
Technical field
The present invention relates to sewage disposal system technical field more particularly to a kind of modified form adjusted based on water quality and quantity are more
Mode operation A2O reaction tanks and sewage disposal system.
Background technology
With the rapid development of economy, water environment pollution and body eutrophication problem getting worse, various countries are to sewage nitrogen
Phosphorus discharge standard is also being continuously improved.Therefore, research hair is opened efficient, good economy performance sewage water dephosphorization denitrification technique and is had become currently
The research emphasis and hot spot in sewage control field.
Sewage Biological Treatment is the main methods of municipal sewage, and biochemical treatment is according to microorganism in handling structures
Existence, biofilm and activated sludge process can be divided into.Wherein, it is applied to the sessile form biology of municipal sewage plant
Membrane process craft includes mainly the biofilters BAF, bio-contact oxidation, biological rotating disk and biological fluidized bed.Activated sludge process is
The sewage disposal technology being most widely used has high treating effect, stable effluent quality, operating in terms of handling organic wastewater
The advantages that experienced, of low cost, is generally used in municipal sewage plant at home and abroad.
In recent years, with the development of sewage disposal technology, the form of activated sludge process is developed by traditions of the past type
A variety of modified forms, but all biological phosphate-eliminating denitrification process are all followed comprising anaerobism, anoxic, the alternating of aerobic three various process
Ring.Wherein with than wide, more mature mode have traditional activated sludge process, A/O methods, A/A/O methods (including
Bardenpho, common A2O, A is improved2O, UCT, MUCT, VIP, inversion A2O techniques, multi-point entrance water inversion A2O techniques etc.), A-
B methods, oxidation ditch process, SBR methods, membrane Bio-reactor Technology (MBR) etc..But based on the water inlet in Various Seasonal period sewage
Amount and water quality difference, existing A2O reaction tanks are since single operational mode is when influent quality and/or amount of inlet water change
Can not in water body total nitrogen and/or total phosphorus processing reach standard.For this purpose, applicant carried out beneficial exploration and trial, look for
Result of the above problems is arrived, technical solution described below generates in this background.
Invention content
The first technical problem to be solved by the present invention is：For existing A2O reaction tanks exist because of single operational mode
Influent quality and/or amount of inlet water when changing can not in water body total nitrogen and/or total phosphorus processing reach standard the problem of, and carry
For it is a kind of can be according to the variation adjustment operational mode of influent quality and/or amount of inlet water disengaging dephosphorization provide safeguard based on water
The modified form multi-mode operation A of matter runoff investigation2O reaction tanks.
The second technical problem to be solved by the present invention is：It includes above-mentioned being changed based on what water quality and quantity was adjusted to provide a kind of
Good figure multi-mode operation A2The sewage disposal system of O reaction tanks.
A kind of modified form multi-mode operation A adjusted based on water quality and quantity as first aspect present invention2O reaction tanks,
Including：
Pass sequentially through preposition anoxic pond, anaerobic pond, anoxic pond, aerobic tank and the sedimentation basin of pipeline connection；
One end of one water inlet line, the water inlet line is water inlet end, the water inlet of the other end and the preposition anoxic pond
End connection；
One is mounted on the electromagnetic flowmeter for monitoring amount of inlet water on the water inlet line；
The water quality of one COD, BOD for monitoring water inlet, ammonia nitrogen and the total phosphorus content being mounted on the water inlet line is supervised
Survey device；
One is mounted on the first electric check valve on the water inlet line；
One end of one transition conduit, the transition conduit is attempted by the water inlet line and is located at described first electronic section
The only front of the water inlet end of valve, the other end are connect with the anaerobic pond；
One is mounted on the second electric check valve in the transition conduit；
One end of one first mixed-liquor return pipeline, the first mixed-liquor return pipeline is attempted by the aerobic tank and sinks
On pipeline between the pond of shallow lake, the other end is attempted by the pipeline between the anaerobic pond and anoxic pond；
One is mounted on the third electric check valve on the first mixed-liquor return pipeline；
One end of one second mixed-liquor return pipeline, the second mixed-liquor return pipeline is attempted by the aerobic tank and sinks
On pipeline between the pond of shallow lake, the other end is attempted by the pipeline between the preposition anoxic pond and anaerobic pond；
One is mounted on the 4th electric check valve on the second mixed-liquor return pipeline；
One end of one third mixed-liquor return pipeline, the third mixed-liquor return pipeline is attempted by the aerobic tank and sinks
On pipeline between the pond of shallow lake, the other end is connect with the preposition anoxic pond；
One is mounted on the 5th electric check valve on the third mixed-liquor return pipeline；
One first sludge return pipe, one end of first sludge return pipe connect with the sludge outlet of the sedimentation basin
It connects, the other end is connect with the preposition anoxic pond；
One is mounted on the 6th electric check valve on first sludge return pipe；
One second sludge return pipe, one end of second sludge return pipe connect with the sludge outlet of the sedimentation basin
It connects, the other end is connect with the anaerobic pond；
One is mounted on the 7th electric check valve on second sludge return pipe；And
One PLC control system, the PLC control system respectively with the electromagnetic flowmeter, water monitoring device and first,
Second, third, fourth, fifth, the connection of the six, the 7th electric check valves.
As a kind of sewage disposal system of second aspect of the present invention, including it is sequentially connected coarse rack inlet pumping station, thin
Grid rotational flow grit chamber, A2O reaction tanks, secondary settling tank, lift pump room, flocculation sedimentation tank, filtering cloth filtering pool and disinfection oxidation pond,
It is characterized in that, the A2O reaction tanks are the above-mentioned modified form multi-mode operation A adjusted based on water quality and quantity2O reaction tanks.
In a preferred embodiment of the invention, it is arranged between the fine fack rotational flow settling pond and flocculation sedimentation tank
There is an overflowing rain water pipe.
As a result of technical solution as above, the beneficial effects of the present invention are：The multi-mode operation A of the present invention2O is anti-
Ying Chike according to the variation of influent quality and/or amount of inlet water automatically switch operational mode, given full play to anaerobism, anoxic this two
The maximum effect of a separate tanks carries out biological denitrificaion and biological phosphate-eliminating to realize to sewage.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the sewage disposal system of the present invention.
Fig. 2 is the modified form multi-mode operation A of the present invention2The structural schematic diagram of O reaction tanks.
Fig. 3 is the modified form multi-mode operation A of the present invention2O reaction tanks are in conventional type A2The schematic diagram of O operational modes.
Fig. 4 is the modified form multi-mode operation A of the present invention2O reaction tanks are in modified form A2The schematic diagram of O operational modes.
Fig. 5 is the modified form multi-mode operation A of the present invention2O reaction tanks are in inversion type A2The schematic diagram of O operational modes.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to Fig. 1, what is provided in figure is a kind of sewage disposal system, including sequentially connected coarse rack inlet pumping station 100,
Fine fack rotational flow grit chamber 200, modified form multi-mode operation A2O reaction tanks 300, secondary settling tank 400, lift pump room 500, flocculation are heavy
Shallow lake pond 600, filtering cloth filtering pool 700 and disinfection oxidation pond 800.Wherein, filtering cloth filtering pool 700 is preferably fiber filter cloth filter tank, is disappeared
Malicious oxidation pond 800 is preferably ultraviolet disinfection oxidation pond.
An overflowing rain water pipe 900 is provided between fine fack rotational flow grit chamber 200 and flocculation sedimentation tank 600, it is thin in this way
Grid rotational flow grit chamber 200 can pass through 900 overflow of overflowing rain water pipe to flocculation sedimentation tank 600 when heavy rain period water is more
In.
Modified form multi-mode operation A2O reaction tanks 300, including it is preposition anoxic pond 301, anaerobic pond 302, anoxic pond 303, good
Oxygen pond 304, sedimentation basin 305, water inlet line 306, electromagnetic flowmeter 307, water monitoring device 308, transition conduit 309, mixing
Liquid reflux line 310,311,312, sludge return pipe 313,314, electric check valve 315,316,317,318,319,320,
321 and PLC control system.
Preposition anoxic pond 301, anaerobic pond 302, anoxic pond 303, aerobic tank 304 and sedimentation basin 305 pass sequentially through pipeline into
Row connection, the water outlet of sedimentation basin 305 is connect by pipeline with the water inlet end of secondary settling tank 400.One end of water inlet line 306 be into
Water end (W.E.) is simultaneously connect with the water outlet of fine fack rotational flow grit chamber 200, and the other end is connect with the water inlet end of preposition anoxic pond 301.
Electromagnetic flowmeter 307 is mounted on water inlet line 306, is used to monitor modified form multi-mode operation A2The water inlet of O reaction tanks 300
Water.Water monitoring device 308 be mounted on water inlet line 306 on and positioned at electromagnetic flowmeter 307 rear, be used to monitor into
COD, BOD, ammonia nitrogen and the total phosphorus content of water.Electric check valve 315 is mounted on water inlet line 306 and is located at water monitoring device
308 rear.Before one end of transition conduit 309 is attempted by the water inlet end on water inlet line 306 and positioned at electric check valve 315
Side, the other end are connect with anaerobic pond 302.Electric check valve 316 is mounted in transition conduit 309.Mixed-liquor return pipeline 310
One end be attempted by the pipeline between aerobic tank 304 and sedimentation basin 305, the other end is attempted by anaerobic pond 302 and anoxic pond
On pipeline between 303.Electric check valve 317 is mounted on mixed-liquor return pipeline 310.The one of mixed-liquor return pipeline 311
End is attempted by the pipeline between aerobic tank 304 and sedimentation basin 305, and the other end is attempted by preposition anoxic pond 301 and anaerobic pond
On pipeline between 302.Electric check valve 318 is mounted on mixed-liquor return pipeline 311.The one of mixed-liquor return pipeline 312
End is attempted by the pipeline between aerobic tank 304 and sedimentation basin 305, and the other end is connect with preposition anoxic pond 301.Electronic cut-off
Valve 319 is mounted on mixed-liquor return pipeline 312.One end of sludge return pipe 313 connects with the sludge outlet of sedimentation basin 305
It connects, the other end is connect with preposition anoxic pond 301.Electric check valve 320 is mounted on sludge return pipe 313.Sludge reflux
One end of pipeline 314 is connect with the sludge outlet of sedimentation basin 305, and the other end is connect with anaerobic pond 302.Electric check valve 321
On sludge return pipe 314.PLC control system respectively with electromagnetic flowmeter 307, water monitoring device 308 and electronic
Shut-off valve 315,316,317,318,319,320,321 connects.
Municipal wastewater pipeline conveyed the sewage to come and initially enters coarse rack inlet pumping station 100, with remove in decontaminated water compared with
Big floating material, to fine fack rotational flow grit chamber 200, the floating material and proportion that further remove in decontaminated water are more than sewage lifting
2.65 and grain size be more than 0.2mm sand grains, sewage is subsequently into modified form multi-mode operation A2O reaction tanks 300, electromagnetic flowmeter
307 and water monitoring device 308 monitor the amount of inlet water and influent quality of sewage respectively, and according to current amount of inlet water and/
Or influent quality adjusts modified form multi-mode operation A2The operational mode of O reaction tanks 300, later sewage sequentially enter secondary settling tank
400, lift pump room 500, flocculation sedimentation tank 600, filtering cloth filtering pool 700 and disinfection oxidation pond 800, finally treated, and sewage is arranged
Enter waterway system.
Modified form multi-mode operation A2There are three types of operational modes, respectively conventional type A for the tool of O reaction tanks 3002O operational modes,
Modified form A2O operational modes and inversion type A2O operational modes.When needing to switch to conventional type A2When O operational modes, by electronic section
Only valve 315,318,319,320 is closed, and the schematic diagram after simplifying is as shown in Figure 3；When needing to switch to modified form A2O operational modes
When, electric check valve 318,319,321 is closed, the schematic diagram after simplifying is as shown in Figure 4；When needing to switch to inversion type A2O
When operational mode, electric check valve 315,317,318,321 is closed, the schematic diagram after simplifying is as shown in Figure 5.
Table 1 is untreated sewage quality, and table 2 is the clear water water handled by sewage disposal system of the present invention
Matter, effluent quality meet country-level A standards.
1 influent quality of table
2 effluent quality of table
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (3)
1. a kind of modified form multi-mode operation A adjusted based on water quality and quantity2O reaction tanks, which is characterized in that including：
Pass sequentially through preposition anoxic pond, anaerobic pond, anoxic pond, aerobic tank and the sedimentation basin of pipeline connection；
One end of one water inlet line, the water inlet line is water inlet end, and the other end and the water inlet end of the preposition anoxic pond connect
It connects；
One is mounted on the electromagnetic flowmeter for monitoring amount of inlet water on the water inlet line；
The water quality monitoring of the one COD, BOD for monitoring water inlet, ammonia nitrogen and total phosphorus content being mounted on the water inlet line fills
It sets；
One is mounted on the first electric check valve on the water inlet line；
One end of one transition conduit, the transition conduit is attempted by the water inlet line and is located at first electric check valve
Water inlet end front, the other end connect with the anaerobic pond；
One is mounted on the second electric check valve in the transition conduit；
One end of one first mixed-liquor return pipeline, the first mixed-liquor return pipeline is attempted by the aerobic tank and sedimentation basin
Between pipeline on, the other end is attempted by the pipeline between the anaerobic pond and anoxic pond；
One is mounted on the third electric check valve on the first mixed-liquor return pipeline；
One end of one second mixed-liquor return pipeline, the second mixed-liquor return pipeline is attempted by the aerobic tank and sedimentation basin
Between pipeline on, the other end is attempted by the pipeline between the preposition anoxic pond and anaerobic pond；
One is mounted on the 4th electric check valve on the second mixed-liquor return pipeline；
One third mixed-liquor return pipeline, one end of the third mixed-liquor return pipeline are attempted by the aerobic tank and sedimentation basin
Between pipeline on, the other end is connect with the preposition anoxic pond；
One is mounted on the 5th electric check valve on the third mixed-liquor return pipeline；
One end of one first sludge return pipe, first sludge return pipe is connect with the sludge outlet of the sedimentation basin,
Its other end is connect with the preposition anoxic pond；
One is mounted on the 6th electric check valve on first sludge return pipe；
One end of one second sludge return pipe, second sludge return pipe is connect with the sludge outlet of the sedimentation basin,
Its other end is connect with the anaerobic pond；
One is mounted on the 7th electric check valve on second sludge return pipe；And
One PLC control system, the PLC control system respectively with the electromagnetic flowmeter, water monitoring device and first,
Two, third, the connection of the four, the five, the six, the 7th electric check valves.
2. a kind of sewage disposal system, including sequentially connected coarse rack inlet pumping station, fine fack rotational flow grit chamber, A2O reacts
Pond, secondary settling tank, lift pump room, flocculation sedimentation tank, filtering cloth filtering pool and disinfection oxidation pond, which is characterized in that the A2O reaction tanks
For the modified form multi-mode operation A adjusted as described in claim 1 based on water quality and quantity2O reaction tanks.
3. sewage disposal system as claimed in claim 2, which is characterized in that heavy with flocculation in the fine fack rotational flow settling pond
An overflowing rain water pipe is provided between the pond of shallow lake.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524491.8A CN108483651A (en) | 2018-05-28 | 2018-05-28 | The modified form multi-mode operation A adjusted based on water quality and quantity2O reaction tanks and sewage disposal system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524491.8A CN108483651A (en) | 2018-05-28 | 2018-05-28 | The modified form multi-mode operation A adjusted based on water quality and quantity2O reaction tanks and sewage disposal system |
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| CN108483651A true CN108483651A (en) | 2018-09-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553253A (en) * | 2019-01-24 | 2019-04-02 | 河南莱帕克物联装备技术股份有限公司 | Sewage treatment production line teaching practice device and its practice method |
| CN110386740A (en) * | 2019-08-16 | 2019-10-29 | 青岛思普润水处理股份有限公司 | A kind of sewage second-level processing system and processing method |
| CN112624338A (en) * | 2020-12-15 | 2021-04-09 | 浙江清华长三角研究院 | Self-adaptive adjustment method for operation mode of rural domestic sewage treatment facility under rainstorm or rainy season situation |
| CN113277673A (en) * | 2021-05-16 | 2021-08-20 | 牟华倩 | Sewage treatment process |
| CN115432820A (en) * | 2022-08-24 | 2022-12-06 | 中核四0四有限公司 | Sewage treatment method and system |
| CN115849607A (en) * | 2022-11-30 | 2023-03-28 | 中冶赛迪工程技术股份有限公司 | Wastewater pretreatment process |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553253A (en) * | 2019-01-24 | 2019-04-02 | 河南莱帕克物联装备技术股份有限公司 | Sewage treatment production line teaching practice device and its practice method |
| CN110386740A (en) * | 2019-08-16 | 2019-10-29 | 青岛思普润水处理股份有限公司 | A kind of sewage second-level processing system and processing method |
| CN110386740B (en) * | 2019-08-16 | 2024-02-27 | 青岛思普润水处理股份有限公司 | Sewage secondary treatment system and treatment method |
| CN112624338A (en) * | 2020-12-15 | 2021-04-09 | 浙江清华长三角研究院 | Self-adaptive adjustment method for operation mode of rural domestic sewage treatment facility under rainstorm or rainy season situation |
| CN113277673A (en) * | 2021-05-16 | 2021-08-20 | 牟华倩 | Sewage treatment process |
| CN115432820A (en) * | 2022-08-24 | 2022-12-06 | 中核四0四有限公司 | Sewage treatment method and system |
| CN115432820B (en) * | 2022-08-24 | 2023-07-21 | 中核四0四有限公司 | Sewage treatment method and system |
| CN115849607A (en) * | 2022-11-30 | 2023-03-28 | 中冶赛迪工程技术股份有限公司 | Wastewater pretreatment process |
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Application publication date: 20180904 |