CN108394995A - A kind of modified form A/O-MBR integrated apparatus and its sewage water treatment method - Google Patents
A kind of modified form A/O-MBR integrated apparatus and its sewage water treatment method Download PDFInfo
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- CN108394995A CN108394995A CN201810332928.8A CN201810332928A CN108394995A CN 108394995 A CN108394995 A CN 108394995A CN 201810332928 A CN201810332928 A CN 201810332928A CN 108394995 A CN108394995 A CN 108394995A
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- pond
- aerobic tank
- mbr
- sludge
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- 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
- C02F3/302—Nitrification and denitrification treatment
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- 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)
- Activated Sludge Processes (AREA)
Abstract
The invention discloses a kind of modified form A/O MBR integrated apparatus and its sewage water treatment method, device includes aerobic tank, anoxic pond and MBR membrane cisternas, is detached by partition board between aerobic tank and anoxic pond, and partition board upper and lower side is equipped with muddy water distribution channel；Aerator is equipped in aerobic tank；Aerobic tank is equipped with sewage inlet, and the membrane module of MBR membrane cisternas is equipped with the outlet conduit that catchments.It is detached by baffle between anoxic pond and MBR membrane cisternas；Aerobic tank bottom, anoxic pond bottom and MBR membrane cisterna bottom ramps constitute bucket-shaped bottom of pond, and bottom of pond lowest point is equipped with aeration sludge pipe.Described device solves the problems such as insufficient carbon source in traditional A/O MBR devices, nitrate conductive obstruction, effectively improves wastewater purification efficiency；The activated sludge water conservancy diversion of deposition puts into aerobic tank reaction zone again to aeration sludge pipe position, by being aerated sludge pipe aeration, improves the utilization rate of activated sludge；Sludge is taken away from aeration sludge pipe, the sewage water treatment method of described device is easy to operate, and sewage purification degree is high as necessary by sludge pump.
Description
Technical field
The present invention relates to sewage treatment field, specially a kind of modified form A/O-MBR integrated apparatus and its sewage disposal
Method.
Background technology
It is generally hypoxia response pond in traditional A/O-MBR membrane bioreactors to combine with aerobic reaction tank, and only single
Connection between pure reaction member, such combination cause not coupling between two kinds of reaction members, when the two combines, lack
The preposition pattern of oxygen may make the nitrate electron acceptor that aerobic unit reaction generates that can not effectively reach anoxic unit, anoxic
The pattern of postposition may lead to the problem of denitrifying bacterium carbon source deficiency, therefore be unable to efficient degradation ammonia nitrogen.Be limited to anoxic pond with it is good
The connection type in oxygen pond causes the microbial population attribute in each reaction member region more single, the sewage purification of processing system
Efficiency is low.
Invention content
To solve the above-mentioned problems, these defects exposed for traditional A/O-MBR membrane bioreactors, the present invention carry
Supplied a kind of modified form A/O-MBR integrated apparatus and its sewage water treatment method, described device is simple in structure, by add every
Plate changes aeration mode and transformation bottom of pond, changes the muddy water exchange way of aerobic tank and anoxic pond so that aerobic zone and anoxic zone
Organic coupling is formed, dissolved oxygen is brought into anoxic pond by aerator in aerobic tank, and makes dissolved oxygen concentration ladder in anoxic pond
Degree variation, forms facultative area in anoxic pond, the microbial population in anoxic pond can be made more rich and varied, be conducive to denitrification
With synchronous nitration and denitrification (SND), the muddy water AC mode between aerobic tank and anoxic pond be formed by aerobic zone, facultative area and
Coupled relation between the three of anoxic zone solves carbon source deficiency, nitrate conductive obstruction etc. in traditional A/O-MBR devices and asks
Topic, effectively improves wastewater purification efficiency；The activated sludge deposited in each pond is collected into aerobic tank bottom by bottom of device slope,
It is put into again by aeration tube again in the aerobic microbiological nitration reaction area of aerobic tank, improves the utilization rate to activated sludge,
Reduce cost of sewage disposal.
The technical scheme is that：
A kind of modified form A/O-MBR integrated apparatus, which is characterized in that including aerobic tank, anoxic pond and MBR membrane cisternas, institute
Anoxic pond both sides are stated respectively to connect with the aerobic tank, MBR membrane cisternas；It is detached by partition board between the aerobic tank and anoxic pond,
The partition board two sides are individually fixed on pool wall, and partition board upper and lower side is equipped with muddy water distribution channel；It is equipped in the aerobic tank
Aerator, the aerator connect wind turbine；The aerobic tank is equipped with sewage inlet, is set on membrane module in the MBR membrane cisternas
There is the outlet conduit that catchments.
It is detached by baffle between the anoxic pond and MBR membrane cisternas, the baffle is equipped with above sewage level and bottom end
Muddy water distribution channel；The aerobic tank bottom of pond, anoxic pond bottom of pond and MBR membrane cisterna bottom of pond be slope and collectively form one it is bucket-shaped
Bottom of pond, the bucket-shaped bottom of pond lowest point are equipped with aeration sludge pipe；The aeration sludge pipe is located at aerobic tank bottom and is connected to wind turbine
And sludge pump.
The aerobic tank bottom of pond is first slope, and the anoxic pond bottom of pond is mutually connected in the second slope, institute with MBR membrane cisternas bottom of pond
It states the second slope and extends to aerobic tank bottom, the first slope is oppositely arranged with the second slope and angle is the bucket-shaped pond
Bottom lowest point.
The aerator position is higher than the partition board bottom end.
The muddy water distribution channel that the partition board upper and lower side is equipped with is respectively：Gap between partition board top and sewage level and
Gap between partition board bottom end and bottom of pond.
It is connected to No.1 solenoid valve on the pipeline to connect with below the aeration sludge pipe；The No.1 solenoid valve and the wind
Pipeline between machine is equipped with No. two solenoid valves；Pipeline between the No.1 solenoid valve and the sludge pump is equipped with No. three electricity
Magnet valve.
The muddy water distribution channel that the baffle bottom end is equipped with is：Gap between baffle bottom end and bottom of pond.
According to the sewage water treatment method of the modified form A/O-MBR integrated apparatus, which is characterized in that inject sewage
Oxygen pond, aerobic tank is interior to be equipped with aerator, and sewage is circulated by the muddy water distribution channel of partition board upper and lower side in partition board both sides, dirty
Water reacted in anoxic pond after from the muddy water distribution channel of the baffle bottom end flow into MBR membrane cisternas, by the film group in MBR membrane cisternas
It is discharged after part filtering.
The activated sludge of the aerobic tank, anoxic pond and MBR membrane cisterna bottom deposits gathers the bucket-shaped bottom of pond lowest point
Afterwards, the pipe path between control aeration sludge pipe and wind turbine passes through the activated sludge of aggregation suitable after aeration sludge pipe aeration
Profit enters the reaction zone of aerobic tank.
After the sludge accumulation of the aerobic tank, anoxic pond and MBR membrane cisterna bottom deposits to the bucket-shaped bottom of pond lowest point, control
Pipe path between system aeration sludge pipe and sludge pump is taken out from the aeration sludge pipe sludge of aggregation by sludge pump
Walk discharge.
The present invention technique effect be：
It is detached by partition board between the aerobic tank and anoxic pond of device of the present invention, the gap of partition board upper and lower side forms mud
Water distribution channel, in aerobic tank under aerator effect, sewage is circulated in partition board both sides, by the dissolved oxygen band in aerobic tank
Enter into anoxic pond, form oxygen containing facultative area in anoxic pond, the dissolved oxygen concentration in anoxic pond changes in gradient, can make to lack
Microbial population in oxygen pond is more rich and varied, is conducive to denitrification and synchronous nitration and denitrification (SND), aerobic tank and anoxic
Muddy water AC mode is formed by the coupled relation between aerobic zone, facultative area and anoxic zone three between pond, solves tradition
In A/O-MBR devices the problems such as carbon source deficiency, nitrate conductive obstruction, wastewater purification efficiency is effectively improved, improves ammonia nitrogen removal
Effect；Aerobic tank, anoxic pond and MBR membrane cisternas bottom are connected and bottom of pond is slope, each slope collectively form one it is bucket-shaped
Activated sludge in each pond is brought into bottom of pond lowest point, i.e. first slope and the second slope by the slope of bottom of pond, bucket-shaped bottom of pond
Angle, bottom of pond lowest point be equipped with aeration sludge pipe, the activated sludge deposited in reaction process can be made to pass through aeration sludge pipe
Aeration, reenters the aerobic microbiological nitration reaction area of aerobic tank, carries out muddy water mixing circulation again and participates in reacting, effectively
The activated sludge of survival is utilized, corresponding solenoid valve can be started when needing spoil disposal, aeration sludge pipe is taken away by sludge pump
In sludge, the design of bucket-shaped bottom of pond and re-use activated sludge and the mode of spoil disposal effectively saves cost of sewage disposal, it is high
Effect utilizes pond body space；Anoxic pond and MBR membrane cisternas are isolated by baffle, and baffle bottom end is equipped with sludge distribution channel, and sewage is from gear
Board bottom end enters MBR membrane cisternas, and the slope of MBR membrane cisterna bottom of pond prevents sludge from excessively depositing and takes away the sludge of deposition, can reduce
Membrane cisterna activated sludge concentration, decelerating membrane pollution extend membrane module service life.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
In figure, aerobic tank 1；Anoxic pond 2；MBR membrane cisternas 3；Partition board 4；Baffle 5；It is aerated sludge pipe 6；Wind turbine 7；Sludge pump 8；
Aerator 9；No.1 solenoid valve 10；No. two solenoid valves 11；No. three solenoid valves 12；First slope 13；Second slope 14.
Specific implementation mode
The present invention will be further described with reference to embodiments.
As shown in Figure 1, a kind of modified form A/O-MBR integrated apparatus, including aerobic tank 1, anoxic pond 2 and MBR membrane cisternas 3,
2 both sides of anoxic pond connect with aerobic tank 1, MBR membrane cisternas 3 respectively, and membrane module is equipped in MBR membrane cisternas 3；Aerobic tank 1 and anoxic pond 2 it
Between detached by partition board 4, partition board 4 be fixed in pool wall and between top and sewage level be equipped between gap, bottom end and bottom of pond
Equipped with gap, described two gaps are muddy water distribution channel；Aerator 9 is equipped in aerobic tank 1,9 position of aerator is higher than institute
4 bottom end of partition board is stated, aerator 9 is connected to wind turbine 7；Aerobic tank 1 is equipped with sewage inlet, and membrane module is equipped with collection in MBR membrane cisternas 3
Water outlet conduit.It is detached by baffle 5 between anoxic pond 2 and MBR membrane cisternas 3, baffle 5 is above sewage level and bottom end and bottom of pond
Between be equipped with gap, the gap constitutes muddy water distribution channel；1 bottom of pond of aerobic tank, 2 bottom of pond of anoxic pond and 3 bottom of pond of MBR membrane cisternas are equal
For slope and a bucket-shaped bottom of pond is collectively formed, 1 bottom of pond of aerobic tank is first slope 13,3 pond of 2 bottom of pond of anoxic pond and MBR membrane cisternas
Bottom is mutually connected in the second slope 14, and the second slope 14 extends to 1 bottom of aerobic tank, and first slope 13 is oppositely arranged with the second slope 14
And angle is the bucket-shaped bottom of pond lowest point, bucket-shaped bottom of pond lowest point is equipped with aeration sludge pipe 6；Aeration sludge pipe 6 is located at
1 bottom of oxygen pond and it is connected to wind turbine 7 and sludge pump 8；It is connected to No.1 solenoid valve on the pipeline to connect with 6 lower section of aeration sludge pipe
10；Pipeline between No.1 solenoid valve 10 and the wind turbine 7 is equipped with No. two solenoid valves 11；No.1 solenoid valve 10 and sludge pump 8
Between pipeline be equipped with No. three solenoid valves 12.
Sewage is injected aerobic tank 1, is set in aerobic tank 1 by a kind of sewage water treatment method according to A/O-MBR integrated apparatus
There are aerator 9, sewage to be circulated in 4 both sides of partition board by the muddy water distribution channel of 4 upper and lower side of partition board, sewage is in anoxic pond 2
MBR membrane cisternas 3 are flowed into from the muddy water distribution channel of 5 bottom of baffle after middle reaction, by the membrane module filtration treatment in MBR membrane cisternas 3
After be discharged.In sewage disposal process, when activated sludge being needed to recycle, 3 bottom of aerobic tank 1, anoxic pond 2 and MBR membrane cisternas
After activated sludge gathers bucket-shaped bottom of pond lowest point, No. three solenoid valves 12 are closed, open No.1 solenoid valve 10 and No. two solenoid valves
11, the pipe path between aeration sludge pipe 6 and wind turbine is connected, the activated sludge of aggregation is entered by being aerated sludge pipe 6
The aerobic microbiological nitration reaction area in oxygen pond 1, under regular situation, No. two solenoid valves are opened once for 11 two hours, every time 1~2min,
The activated sludge of deposition, uniformly exposure is got up；When needing spoil disposal, No. two solenoid valves 11 are closed, open No.1 solenoid valve 10 and three
Number solenoid valve 12 connects the pipe path between aeration sludge pipe 6 and sludge pump 8, by the sludge of aggregation by sludge pump 8 from institute
It states in aeration sludge pipe 6 and takes discharge away, No. three solenoid valves 12 are opened according to needed for spoil disposal, and general holding meanss bottom is active enough
On the basis of sludge concentration.
Principles and applications are：
It is detached by partition board 4 between the aerobic tank 1 and anoxic pond 2 of device of the present invention, the aerator 9 in aerobic tank 1
Under effect, sewage is flowed in the muddy water distribution channel of 4 upper and lower side of partition board, is recycled in 4 both sides of partition board, will be in aerobic tank 1
Dissolved oxygen is brought into anoxic pond 2, oxygen containing facultative area is formed in anoxic pond 2, the dissolved oxygen concentration in anoxic pond 2 is in gradient
Variation, can make the microbial population in anoxic pond 2 more rich and varied, be conducive to denitrification and synchronous nitration and denitrification (SND),
Muddy water AC mode between aerobic tank 1 and anaerobic pond 3 is formed by the coupling between aerobic zone, facultative area and anoxic zone three
Relationship solves the problems such as insufficient carbon source in traditional A/O-MBR devices, nitrate conductive obstruction, effectively improves sewage purification effect
Rate improves ammonia nitrogen removal effect；Aerobic tank 1, anoxic pond 2 and 3 bottom of MBR membrane cisternas, which are connected, constitutes a bucket-shaped bottom of pond, bucket-shaped
Activated sludge in each pond is brought into bottom of pond lowest point, i.e. first slope 13 by the first slope 13 of bottom of pond and the second slope 14
With the angle on the second slope 14, bottom of pond lowest point is equipped with aeration sludge pipe 6, and aeration sludge pipe 6 is located at 1 bottom of aerobic tank, institute
It states the activated sludge deposited during device reaction and the aeration of sludge pipe 6 is aerated by solenoid valve control, reenter aerobic tank 1
Aerobic microbiological nitration reaction area carries out muddy water mixing circulation and participates in reacting, is effectively utilized the activated sludge of survival again,
Corresponding solenoid valve can be started when needing spoil disposal, the sludge in aeration sludge pipe 6, bottom of device bucket are taken away by sludge pump 8
Cost of sewage disposal is effectively saved in the design and the mode of re-using activated sludge and spoil disposal of shape bottom of pond, efficiently empty using pond body
Between；Anoxic pond 2 and MBR membrane cisternas 3 are isolated by baffle 5,5 bottom end of baffle be equipped with sludge distribution channel, sewage from 5 bottom end of baffle into
Enter MBR membrane cisternas 3, the slope of 3 bottom of pond of MBR membrane cisternas prevents sludge from excessively depositing and takes away the sludge of deposition, can reduce membrane cisterna work
Property sludge concentration, decelerating membrane pollution, extend membrane module service life.
Certainly, the specific application example that the above is only the present invention, is not limited in any way protection scope of the present invention.It removes
Outside above-described embodiment, the present invention can also have other embodiment.All technical sides formed using equivalent substitution or equivalent transformation
Case is all fallen within scope of the present invention.
Claims (10)
1. a kind of modified form A/O-MBR integrated apparatus, which is characterized in that including aerobic tank (1), anoxic pond (2) and MBR membrane cisternas
(3), anoxic pond (2) both sides connect with the aerobic tank (1), MBR membrane cisternas (3) respectively；The aerobic tank (1) and anoxic pond
(2) it is detached by partition board (4) between, partition board (4) two sides are individually fixed on pool wall, and partition board (4) upper and lower side is equipped with
Muddy water distribution channel；Aerator (9), aerator (9) the connection wind turbine (7) are equipped in the aerobic tank (1)；The aerobic tank
(1) it is equipped with sewage inlet, membrane module is equipped with the outlet conduit that catchments in the MBR membrane cisternas (3).
2. a kind of modified form A/O-MBR integrated apparatus according to claim 1, which is characterized in that the anoxic pond (2)
It is detached by baffle (5) between MBR membrane cisternas (3), it is logical that the baffle (5) above sewage level and bottom end is equipped with muddy water circulation
Road；Aerobic tank (1) bottom of pond, anoxic pond (2) bottom of pond and MBR membrane cisternas (3) bottom of pond be slope and collectively form one it is bucket-shaped
Bottom of pond, the bucket-shaped bottom of pond lowest point are equipped with aeration sludge pipe (6)；The aeration sludge pipe (6) be located at aerobic tank (1) bottom and
It is connected to wind turbine (7) and sludge pump (8).
3. a kind of modified form A/O-MBR integrated apparatus according to claim 2, which is characterized in that the aerobic tank (1)
Bottom of pond is first slope (13), and anoxic pond (2) bottom of pond and MBR membrane cisternas (3) bottom of pond are mutually connected in the second slope (14), described the
Two slopes (14) extend to aerobic tank (1) bottom, and the first slope (13) is oppositely arranged with the second slope (14) and angle
For the bucket-shaped bottom of pond lowest point.
4. a kind of modified form A/O-MBR integrated apparatus according to claim 1, which is characterized in that the aerator (9)
Position is higher than the partition board (4) bottom end.
5. a kind of modified form A/O-MBR integrated apparatus according to claim 1, which is characterized in that on the partition board (4)
The muddy water distribution channel that lower end is equipped with is respectively：Gap and partition board (4) bottom end and pond of the partition board (4) between top and sewage level
Gap between bottom.
6. a kind of modified form A/O-MBR integrated apparatus according to claim 1, which is characterized in that arranged with the aeration
It is connected to No.1 solenoid valve (10) on the pipeline to connect below mud pipe (6)；Between the No.1 solenoid valve (10) and the wind turbine (7)
Pipeline be equipped with No. two solenoid valves (11)；Pipeline between the No.1 solenoid valve (10) and the sludge pump (8) is equipped with
No. three solenoid valves (12).
7. a kind of modified form A/O-MBR integrated apparatus according to claim 2, which is characterized in that baffle (5) bottom
The muddy water distribution channel that is equipped with is held to be：Gap of the baffle (5) between bottom end and bottom of pond.
8. the sewage water treatment method of modified form A/O-MBR integrated apparatus according to claim 1, which is characterized in that will be dirty
Water injects aerobic tank (1), and aerator (9), the muddy water distribution channel that sewage passes through partition board (4) upper and lower side are equipped in aerobic tank (1)
It is circulated in partition board (4) both sides, muddy water distribution channel of the sewage in anoxic pond (2) after reaction from the baffle (5) bottom end
MBR membrane cisternas (3) are flowed into, are discharged after the membrane module filtering in MBR membrane cisternas (3).
9. sewage water treatment method according to claim 8, which is characterized in that the aerobic tank (1), anoxic pond (2) and MBR
After the activated sludge of membrane cisterna (3) bottom deposit gathers the bucket-shaped bottom of pond lowest point, control aeration sludge pipe (6) with wind turbine it
Between pipe path, can smoothly enter into the reaction of aerobic tank (1) after the activated sludge of aggregation is aerated by being aerated sludge pipe (6)
Area.
10. sewage water treatment method according to claim 8, which is characterized in that the aerobic tank (1), anoxic pond (2) and
After the sludge accumulation of MBR membrane cisternas (3) bottom deposit to the bucket-shaped bottom of pond lowest point, control aeration sludge pipe (6) and sludge pump
(8) pipe path between from the aeration sludge pipe (6) takes the sludge of aggregation away discharge by sludge pump (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810332928.8A CN108394995A (en) | 2018-04-13 | 2018-04-13 | A kind of modified form A/O-MBR integrated apparatus and its sewage water treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810332928.8A CN108394995A (en) | 2018-04-13 | 2018-04-13 | A kind of modified form A/O-MBR integrated apparatus and its sewage water treatment method |
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| CN108394995A true CN108394995A (en) | 2018-08-14 |
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ID=63100186
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| CN201810332928.8A Pending CN108394995A (en) | 2018-04-13 | 2018-04-13 | A kind of modified form A/O-MBR integrated apparatus and its sewage water treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620443A (en) * | 2021-08-27 | 2021-11-09 | 金锣水务有限公司 | Sewage treatment regulating tank and method for regulating sewage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745749A (en) * | 2017-01-18 | 2017-05-31 | 河南工程学院 | Aerobic-anoxic integral type AO membrane bioreactors |
| CN208648877U (en) * | 2018-04-13 | 2019-03-26 | 长江大学 | A kind of modified form A/O-MBR integrated apparatus |
-
2018
- 2018-04-13 CN CN201810332928.8A patent/CN108394995A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745749A (en) * | 2017-01-18 | 2017-05-31 | 河南工程学院 | Aerobic-anoxic integral type AO membrane bioreactors |
| CN208648877U (en) * | 2018-04-13 | 2019-03-26 | 长江大学 | A kind of modified form A/O-MBR integrated apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620443A (en) * | 2021-08-27 | 2021-11-09 | 金锣水务有限公司 | Sewage treatment regulating tank and method for regulating sewage |
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Application publication date: 20180814 |