CN108911138A - Vertical partitioning anaerobic-aerobic-mud-water separation integral type sewage processing method - Google Patents
Vertical partitioning anaerobic-aerobic-mud-water separation integral type sewage processing method Download PDFInfo
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- CN108911138A CN108911138A CN201810913098.8A CN201810913098A CN108911138A CN 108911138 A CN108911138 A CN 108911138A CN 201810913098 A CN201810913098 A CN 201810913098A CN 108911138 A CN108911138 A CN 108911138A
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- water
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- mud
- hypoxia response
- response area
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000010865 sewage Substances 0.000 title claims abstract description 21
- 238000000926 separation method Methods 0.000 title claims abstract description 19
- 238000000638 solvent extraction Methods 0.000 title claims abstract description 14
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 206010021143 Hypoxia Diseases 0.000 claims abstract description 34
- 230000007954 hypoxia Effects 0.000 claims abstract description 34
- 239000010802 sludge Substances 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 238000010992 reflux Methods 0.000 claims abstract description 22
- 238000006396 nitration reaction Methods 0.000 claims abstract description 19
- 238000005276 aerator Methods 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 238000001471 micro-filtration Methods 0.000 claims description 5
- 244000005700 microbiome Species 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 6
- 238000005273 aeration Methods 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to water-treatment technology field more particularly to a kind of vertical partitioning anaerobic-aerobic-mud-water separation integral type sewage processing methods, include the following steps：Step 1：The hypoxia response area that raw water is introduced to biological respinse bottom of pond portion, carries out anti-nitration reaction together with from the nitrification liquid that aerobic reactor zone overhead reflux comes；Step 2：After anti-nitration reaction, the aerobic reactor zone that mixed liquor rises to hypoxia response area top carries out nitration reaction；Step 3：The nitrification liquid of aerobic reactor zone enters the device for separating mud and water at the top of reaction tank and carries out mud-water separation, and clear water is discharged except reaction tank as processing water, is back to aerobic reactor zone by isolated sludge and continues nitration reaction；Meanwhile part nitrification liquid is back to hypoxia response area and mixes progress anti-nitration reaction with raw water；Step 4：When the sludge concentration in biological reaction pool reaches a certain concentration value, partial sludge is discharged by sludge pipe.
Description
Technical field
The invention belongs to water-treatment technology fields, more particularly to a kind of vertical partitioning anaerobic-aerobic-mud-water separation integral type
Sewage water treatment method.
Background technique
It the use of most common biological method for treating waste water is at present activated sludge process.Activated sludge process is again according to the mesh used
Develop techniques derived from various, but it is anoxic-aerobic process or anaerobic-anoxic-aerobic process that its basic technology is not outer.
In these processes, activated sludge is a kind of pureed wadding body containing a large amount of microorganisms, and the polluter in sewage is exactly to utilize
Microorganism in activated sludge decompose assimilation and be removed.The rear end of technique must also have a mud-water separation unit,
Clear water is discharged and leaves activated sludge.Each unit of prior art is all horizontal layout, the disadvantage is that：(1) take up an area
Area is big；(2) sludge or mixed liquor need additionaling power to flow back, and energy consumption is high；(3) sludge concentration of technique is low, poor activity, thus
Capacity of resisting impact load is weak, and effluent quality is unstable.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of vertical partitioning anaerobic-aerobic-muddy water
Separation integrated sewage water treatment method.
The technical scheme is that：A kind of vertical partitioning anaerobic-aerobic-mud-water separation integral type sewage processing side is provided
Method includes the following steps：
Step 1：The hypoxia response area that raw water is introduced to biological respinse bottom of pond portion, and from aerobic reactor zone overhead reflux mistake
The nitrification liquid come carries out anti-nitration reaction together；
Step 2：After anti-nitration reaction, the aerobic reactor zone that mixed liquor rises to hypoxia response area top carries out nitre
Change reaction；
Step 3：The nitrification liquid of aerobic reactor zone enters the device for separating mud and water at the top of reaction tank and carries out mud-water separation, clearly
Except water is as processing water discharge reaction tank, aerobic reactor zone is back to by isolated sludge and continues nitration reaction；Meanwhile
Part nitrification liquid is back to hypoxia response area and mixes progress anti-nitration reaction with raw water；
Step 4：When the sludge concentration in biological reaction pool reaches a certain concentration value, partial sludge is passed through into sludge pipe
Discharge.
Preferably, the device for separating mud and water is Aerobic three-phase separator.
Preferably, in hypoxia response area bottom, setting intermittent aerating device is stirred mixing to mixed liquor, so that pollutant
It is come into full contact with the microorganism in hypoxia response area；The time interval of intermittent aerating is set according to practical working condition of water quality, it is ensured that lack
Oxygen area is in anaerobic condition.
Preferably, the first aerator, the first aerator institute are equipped with apart from biological respinse bottom of pond portion 1-4m height and position
Horizontal position at the top of biological reaction pool the space of the water surface constituted aerobic reactor zone, it is horizontal where first aerator
Position is constituted hypoxia response area with the space down toward biological reaction pool bottom.
Preferably, the nitrification liquid is flowed back by nitrification liquid reflux unit；The nitrification liquid reflux unit includes being located at life
Nitrification liquid reflux bucket and one end connection nitrification liquid reflux bucket, the other end at the top of object reaction tank are connected to hypoxia response area bottom
Nitrification liquid return pipe.
Preferably, subregion partition, the subregion are equipped between the hypoxia response area and aerobic reactor zone in the horizontal direction
It is provided with several holes on partition, mixed liquor is enable to flow up and down between hypoxia response area and aerobic reactor zone.
Preferably, hypoxia response area bottom be equipped with underwater plug flow device or agitating device, by continuously open operation or
It has a rest and runs underwater plug flow device or agitating device, mixed liquor is stirred.
Preferably, the device for separating mud and water is micro-filtration membrane module.Beneficial effects of the present invention are：(1) nitrification liquid passes through
The gas lift power of aeration can be transferred to hypoxia response area from aerobic reactor zone, not need additionaling power, have apparent energy conservation
Effect；(2) device for separating mud and water at the top of directly intercepts sludge in reactor, eliminates the sludge of conventional activated sludge method
Return-flow system can keep higher sludge concentration, improve sewage treating efficiency, reduce the hydraulic detention time of sewage.(3) lead to
The stirring that intermittent aerating realizes anoxic zone is crossed, makes reactant mixing more evenly.(4) setting subregion partition can make anoxic zone become reconciled
The function in oxygen area obtains more readily apparent division, runs convenient for technological design and time.(5) anoxic zone be arranged underwater plug flow device or
Agitating device can be such that activated sludge is sufficiently mixed with sewage, avoid dead zone, improve reaction efficiency.
Specific embodiment
The technical scheme is that：A kind of vertical partitioning anaerobic-aerobic-mud-water separation integral type sewage processing side is provided
Method includes the following steps：
Step 1：The hypoxia response area that raw water is introduced to biological respinse bottom of pond portion, and from aerobic reactor zone overhead reflux mistake
The nitrification liquid come carries out anti-nitration reaction together；
Step 2：After anti-nitration reaction, the aerobic reactor zone that mixed liquor rises to hypoxia response area top carries out nitre
Change reaction；
Step 3：The nitrification liquid of aerobic reactor zone enters the device for separating mud and water at the top of reaction tank and carries out mud-water separation, clearly
Except water is as processing water discharge reaction tank, aerobic reactor zone is back to by isolated sludge and continues nitration reaction；Meanwhile
Part nitrification liquid is back to hypoxia response area and mixes progress anti-nitration reaction with raw water；
Step 4：When the sludge concentration in biological reaction pool reaches a certain concentration value, partial sludge is passed through into sludge pipe
Discharge.
The device for separating mud and water is Aerobic three-phase separator or slurry filter, and the slurry filter is microfiltration membranes group
Part or hyperfiltration membrane assembly or filter cloth component.
In hypoxia response area bottom, setting intermittent aerating device is stirred mixing to mixed liquor, so that pollutant is anti-with anoxic
It answers the microorganism in area to come into full contact with, anti-nitration reaction efficiency is improved, but continuous aeration can destroy anaerobic environment, to ensure anoxic
Area is in anaerobic condition, can according to practical working condition of water quality set intermittent aerating time interval, such as aeration 1 minute-stop 9 minutes,
Or aeration 2 minutes-stop 10 minutes.
The first aerator, horizontal position where first aerator are equipped with apart from biological respinse bottom of pond portion 1-4m height and position
It sets and aerobic reactor zone is constituted with the space up to the water surface at the top of biological reaction pool, where first aerator below horizontal position
Hypoxia response area is constituted to the space of biological respinse bottom of pond portion.
The nitrification mixed liquor is flowed back by nitrification liquid reflux unit；The nitrification liquid reflux unit includes being located at biology instead
Nitrification liquid reflux bucket and one end connection nitrification liquid reflux bucket, the other end at the top of Ying Chi are connected to the nitre of hypoxia response area bottom
Change liquid return pipe.
Subregion partition is equipped between the hypoxia response area and aerobic reactor zone in the horizontal direction, is opened on the subregion partition
There are several holes, mixed liquor is enable to flow up and down between hypoxia response area and aerobic reactor zone.
Hypoxia response area bottom is equipped with underwater plug flow device or agitating device, by continuously opening operation or intermittent duty water
Lower plug flow device or agitating device, are stirred mixed liquor.
The following are several embodiments of the present invention：
Embodiment 1
A rectangle biological reaction pool, horizontal cross-section 3m*4m, available depth 8m are made with carbon steel；One is installed in pond face
Aerobic three-phase separator is discharged by the overflow launder of Aerobic three-phase separator；First aerator is mounted at the water surface or less 5m,
Aerator of having a rest is mounted on bottom of pond；One nitrification liquid reflux bucket is respectively installed in Aerobic three-phase separator two sides, nitrification liquid reflux bucket is logical
Piping connects straight-through biological respinse bottom of pond portion.
Embodiment 2
The 200 tons of sanitary sewage/days of rectangle bioreactor for treatment made of embodiment 1, influent quality index are：
COD 315mg/L, ammonia nitrogen 35mg/L, TN 43mg/L, TP the first aerator of 3.8mg/L. is normally opened, and intermittent aerating device is by opening 1 point
Clock stops running for 15 minutes, and sludge concentration control in aerobic zone is in 6g/L or so, and continuous service 5 months, being averagely discharged water quality indicator was：
COD 26mg/L, ammonia nitrogen 1.6mg/L, TN 8.6mg/L, TP 0.3mg/L；Average current drain is 0.22kWh/ tons of water；Ton drainage facility
Occupied area only 0.06m2。
Embodiment 3
A rectangle biological reaction pool, horizontal cross-section 3m*3m, available depth 7m are made with carbon steel；One is installed in pond face
Aerobic three-phase separator is discharged by the overflow launder of Aerobic three-phase separator；First aerator is mounted at the water surface or less 4.5m；
One horizontal baffle is set below the first aerator, circular hole totally 100 of diameter 10cm are equably provided on partition, and in bottom of pond
One middle side part installs a underwater impeller；One nitrification liquid reflux bucket, nitrification are respectively installed in Aerobic three-phase separator two sides
Liquid reflux bucket connects straight-through biological respinse bottom of pond portion by pipeline.
Embodiment 4
The 120 tons of sanitary sewage/days of rectangle bioreactor for treatment made of embodiment 3, influent quality index are：
COD 355mg/L, the control of ammonia nitrogen 40mg/L, TN 48mg/L, TP 3.6mg/L. aerobic zone sludge concentration is in 6.5g/L or so, even
Reforwarding row 6 months, averagely water outlet water quality indicator are：COD 25mg/L, ammonia nitrogen 1.1mg/L, TN 6.5mg/L, TP 0.2mg/L；
Average current drain is 0.23kWh/ tons of water；Ton drainage facility occupied area only 0.075m2。
Embodiment 5
A rectangle biological reaction pool, horizontal cross-section 3m*4m, available depth 8m are made with carbon steel；One is installed in pond face
Treating capacity is 200 tons of water/day micro-filtration membrane modules, is aspirated and is discharged by external water pump；First aerator is mounted on the water surface or less
At 5m, intermittent aerating device is mounted on bottom of pond；One nitrification liquid reflux bucket, nitrification liquid reflux bucket are respectively installed in micro-filtration membrane module two sides
Straight-through biological respinse bottom of pond portion is connected by pipeline.
Embodiment 6
The 200 tons of sanitary sewage/days of rectangle bioreactor for treatment made of embodiment 5, influent quality index are：
COD 305mg/L, ammonia nitrogen 36mg/L, TN 44mg/L, TP the first aerator of 3.2mg/L. is normally opened, and intermittent aerating device is by opening 1 point
Clock stops running for 12 minutes, and sludge concentration control in aerobic zone is in 8g/L or so, and continuous service 3 months, being averagely discharged water quality indicator was：
COD 20mg/L, ammonia nitrogen 0.5mg/L, TN 5.0mg/L, TP 0.2mg/L；Average current drain is 0.24kWh/ tons of water；Ton drainage facility
Occupied area only 0.06m2。
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the invention as claimed with
Modification, should all belong to the covering scope of the claims in the present invention.
Claims (7)
1. a kind of vertical partitioning anaerobic-aerobic-mud-water separation integral type sewage processing method, which is characterized in that including following step
Suddenly：
Step 1：The hypoxia response area that raw water is introduced to biological respinse bottom of pond portion, and comes from aerobic reactor zone overhead reflux
Nitrification liquid carries out anti-nitration reaction together；Step 2：After anti-nitration reaction, mixed liquor rises to hypoxia response area top
Aerobic reactor zone carries out nitration reaction；Step 3：The nitrification liquid of aerobic reactor zone enters the device for separating mud and water at the top of reaction tank
Carry out mud-water separation, clear water as processing water discharge reaction tank except, by isolated sludge be back to aerobic reactor zone continue into
Row nitration reaction；Meanwhile part nitrification liquid is back to hypoxia response area and mixes progress anti-nitration reaction with raw water；Step 4：When
When sludge concentration in biological reaction pool reaches a certain concentration value, partial sludge is discharged by sludge pipe.
2. vertical partitioning anaerobic-aerobic according to claim 1-mud-water separation integral type sewage processing method, feature
It is, the device for separating mud and water is Aerobic three-phase separator or slurry filter, and the slurry filter is micro-filtration membrane module
Or hyperfiltration membrane assembly or filter cloth component.
3. vertical partitioning anaerobic-aerobic according to claim 1-mud-water separation integral type sewage processing method, feature
It is, in hypoxia response area bottom, setting intermittent aerating device is stirred mixing to mixed liquor, so that pollutant and hypoxia response
Microorganism in area comes into full contact with；The time interval of intermittent aerating is set according to practical working condition of water quality, it is ensured that anoxic zone, which is in, to be lacked
Oxygen condition simultaneously has good mixed effect.
4. vertical partitioning anaerobic-aerobic according to claim 1-mud-water separation integral type sewage processing method, feature
It is, is equipped with the first aerator, horizontal position where first aerator apart from biological respinse bottom of pond portion 1-4m height and position
With at the top of the biological reaction pool space of the water surface is constituted aerobic reactor zone, the first aerator place horizontal position with down toward
The space of biological respinse bottom of pond portion constitutes hypoxia response area.
5. vertical partitioning anaerobic-aerobic according to claim 1-mud-water separation integral type sewage processing method, feature
It is, the nitrification liquid is flowed back by nitrification liquid reflux unit；The nitrification liquid reflux unit includes being located at biological reaction pool top
The nitrification liquid reflux bucket and one end connection nitrification liquid reflux bucket, the nitrification liquid that the other end is connected to hypoxia response area bottom in portion return
Flow tube.
6. vertical partitioning anaerobic-aerobic according to claim 1-mud-water separation integral type sewage processing method, feature
It is, is equipped with subregion partition between the hypoxia response area and aerobic reactor zone in the horizontal direction, is provided on the subregion partition
Several holes enable mixed liquor to flow up and down between hypoxia response area and aerobic reactor zone.
7. vertical partitioning anaerobic-aerobic according to claim 6-mud-water separation integral type sewage processing method, feature
It is, hypoxia response area bottom is equipped with underwater plug flow device or agitating device, underwater by continuously opening operation or intermittent duty
Plug flow device or agitating device are stirred the mixed liquor in hypoxia response area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810913098.8A CN108911138A (en) | 2018-08-10 | 2018-08-10 | Vertical partitioning anaerobic-aerobic-mud-water separation integral type sewage processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810913098.8A CN108911138A (en) | 2018-08-10 | 2018-08-10 | Vertical partitioning anaerobic-aerobic-mud-water separation integral type sewage processing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330171A (en) * | 2019-06-19 | 2019-10-15 | 苏州市清泽环境技术有限公司 | A kind of efficient denitrification reactor |
| CN111204865A (en) * | 2020-02-06 | 2020-05-29 | 徐锋 | Sewage treatment device and method |
| CN115321750A (en) * | 2022-08-04 | 2022-11-11 | 贵州楚天两江环境股份有限公司 | Sewage micro-power AO integrated equipment |
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2018
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330171A (en) * | 2019-06-19 | 2019-10-15 | 苏州市清泽环境技术有限公司 | A kind of efficient denitrification reactor |
| CN111204865A (en) * | 2020-02-06 | 2020-05-29 | 徐锋 | Sewage treatment device and method |
| CN115321750A (en) * | 2022-08-04 | 2022-11-11 | 贵州楚天两江环境股份有限公司 | Sewage micro-power AO integrated equipment |
| CN115321750B (en) * | 2022-08-04 | 2023-09-22 | 贵州楚天两江环境股份有限公司 | Sewage micro-power AO integrated equipment |
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Address after: 518057 Research Institute of Tsinghua University, South District, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Qingyan Environmental Technology Co., Ltd Address before: 518057 Research Institute of Tsinghua University, South District, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN QINGYAN ENVIRONMENT TECHNOLOGY Co.,Ltd. |
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Application publication date: 20181130 |