CN107337319A - Modified MAO+MBR embrane method sewage disposal systems - Google Patents
Modified MAO+MBR embrane method sewage disposal systems Download PDFInfo
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- CN107337319A CN107337319A CN201710654222.9A CN201710654222A CN107337319A CN 107337319 A CN107337319 A CN 107337319A CN 201710654222 A CN201710654222 A CN 201710654222A CN 107337319 A CN107337319 A CN 107337319A
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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- 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)
Abstract
The invention discloses a kind of modified MAO+MBR embrane method sewage disposal systems, including MAO water tanks, MBR membrane cisternas, filtered water tank and power control system, one-level anaerobic pond, secondary anaerobic pond, one-level anoxic pond, Aerobic Pond and two level anoxic pond are provided with MAO water tanks, MBR film block assemblies are provided with MBR membrane cisternas, production water pump, blower fan and reflux pump are provided with power control system.The present invention is reasonable in design, simple in construction, easy to install and use, sewage disposal good denitrogenation and dephosphorization effect, suitable for low carbon-nitrogen ratio sewage, reduces carbon source in advanced treating and adds expense, operation cost is relatively low.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of modified MAO+MBR embrane method sewage disposal systems.
Background technology
Introduction is with the rapid development of economy, water environment pollution and body eutrophication problem getting worse, and various countries are to dirt
Water nitrogen discharge and phosphorus discharge standard is also improving constantly.Therefore, the sewage water dephosphorization denitrification technique of research and development efficiently, economic has turned into current
The research emphasis and focus of field of water pollution control.
MAO (multi-stage anaerobic aerobic activated sludge process) has been frequently used for as a kind of conventional dephosphorization and denitrification process method
In sewage disposal system;MBR (membrane bioreactor) is a kind of new type water being combined by activated sludge process with membrane separation technique
Treatment technology, due to the unique technical advantages of MBR so that development and application MBR denitrogenation dephosphorizings turn into a kind of development need, but with biography
The denitrification dephosphorization technique of system is compared, and the research of MBR group technology denitrogenation dephosphorizings is not also very ripe, is removed it is difficult to reach denitrogenation simultaneously
The optimum state of phosphorus, the experience of engineer applied is also not many, and many achievements in research also only rest on laboratory stage.
At present city domestic sewage denitrification dephosphorization technique mainly have alternative expression oxidation ditch, A/O, A2/O, UCT, Bardenph,
SBR etc..Although, there are many problems, wherein China city in the popularization and application in China in these technologies comparative maturity
The C/N values of city's sanitary sewage are relatively low, cause denitrogenation dephosphorizing efficiency low because of organic carbon source deficiency.At now many municipal sewages
Reason factory, which exists, proposes mark transformation, and the nitrogen phosphorus of main cause or water outlet is unable to stably reaching standard, and another black and odorous water, lake algae occur,
Main and water body nitrogen and phosphorus load exceedes the detergent power of its own and caused.
With the living standard of people's lives, the nitrogen and phosphorus content in sanitary sewage water quality is also being continuously increased, and in water quality
Organic concentration do not vary widely, sanitary sewage carbon N/P ratio deficiency is thus caused, for this carbon source that lacks
Situation, municipal sewage plant realize denitrification function using adding for carbon source of increase more.But still problems be present:1st, increase
Operation investment and cost are added;2nd, less than for mini-plant, it is necessary to artificial operation daily and management;3rd, sludge production is added
Amount.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of simple system, easy to use, cost
It is low, the modified MAO+MBR embrane method sewage disposal systems of good denitrogenation and dephosphorization effect.
A kind of modified MAO+MBR embrane method sewage disposal systems, including MAO water tanks, MBR membrane cisternas, filtered water tank and power control
System processed, one-level anaerobic pond, secondary anaerobic pond, one-level anoxic pond, Aerobic Pond and two level anoxic pond, MBR films are provided with MAO water tanks
MBR film block assemblies are provided with pond, production water pump, blower fan and reflux pump are provided with power control system;One-level anaerobic pond, secondary anaerobic
Pond, one-level anoxic pond and two level anoxic pond are communicated with water inlet manifold, and one-level anaerobic pond, one-level anoxic pond, Aerobic Pond, two level are detested
Oxygen pond, two level anoxic pond, Aerobic Pond circulation communicate, wherein, the first aeration tube is provided with Aerobic Pond, second is provided with MBR membrane cisternas
Aeration tube, blower fan are connected to the first aeration tube and the second aeration tube by the first tracheae, and production water pump one end passes through suction hose and MBR
Film block assembly is connected, and the MBR film block assembly other ends are connected by the second tracheae and the first tracheae, and the other end for producing water pump passes through row
Water pipe is connected with filtered water tank, and filtered water tank is connected by blow-down pipe with suction hose, and reflux pump is connected by water inlet pipe with MBR membrane cisternas,
It is connected by outlet pipe with one-level anaerobic pond.
Further described as to above-mentioned technical proposal:
Be provided with the first barometric damper between first tracheae and the first aeration tube, the first tracheae and the second aeration tube it
Between be provided with the second barometric damper;Suction hose is provided with the electronic pipe valve that absorbs water, and drainpipe is provided with the first pipe valve and flowmeter, put
Blank pipe is provided with the second pipe valve;Water inlet pipe is provided with the 3rd pipe valve, and outlet pipe is provided with the 4th pipe valve.
Further described as to above-mentioned technical proposal:
Switch board is additionally provided with the power control system, switch board uses PLC control system, according to from water inlet manifold and
Each inlet segment enters the water quality and water of sewage, and production water pump, blower fan, reflux pump, the first barometric damper, the second air-flow are adjusted
Section valve, water suction electronic pipe valve, the first pipe valve, the second pipe valve, the 3rd pipe valve and the 4th pipe valve are automatically controlled.
Further described as to above-mentioned technical proposal:
The one-level anaerobic pond, secondary anaerobic pond, the water inlet of one-level anoxic pond and two level anoxic pond are provided with thin diagrid.
Further described as to above-mentioned technical proposal:
The power control system is arranged in equipment room, and filtered water tank is arranged on the top of equipment room.
Further described as to above-mentioned technical proposal:
One-level anaerobic pond, secondary anaerobic pond, one-level anoxic pond, Aerobic Pond and two level anoxic pond in the MAO water tanks, are adopted
Set with baffling tumble type.
The present invention is reasonable in design, simple in construction, easy to install and use, sewage disposal good denitrogenation and dephosphorization effect, is applied to
Low carbon-nitrogen ratio sewage, reduce carbon source in advanced treating and add expense, operation cost is relatively low.
It is embodied in:
1st, modified MAO realizes anaerobism in pond, anoxic, aerobic continuous circulation, and caused microbe species are various, anti-impact
It is strong to hit load-bearing capacity, good denitrogenation and dephosphorization effect, system operation investing asks caused by significantly reducing additional carbon
Topic.
2nd, using the multi-pipeline application of blower fan, equipment number of units and floor space are reduced.
3rd, the pre- anaerobism section (one-level anaerobic pond) set up, influence of the nitrate nitrogen to polyP bacteria is reduced, improves phosphor-removing effect.
4th, automatic control mode is used in control, the significantly more efficient organic matter using in raw water, realizes that biological denitrificaion removes
Effective removal of phosphorus, reduce or eliminate adding for carbon source in advanced treating.
5th, MBR membrane cisternas production water can be used as reclaimed water application, be used as medicine water tank in design first, secondly can be used as and flush the toilet, be green
Change etc. uses.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the overlooking the structure diagram of the present invention;
Fig. 2 is the main view cross-sectional view of the present invention.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Referring to Fig. 1 and Fig. 2, a kind of modified MAO+MBR embrane method sewage disposal systems provided by the invention, including MAO water
Case 1, MBR membrane cisternas 2, filtered water tank 3 and power control system 4, one-level anaerobic pond 101, secondary anaerobic pond are provided with MAO water tanks 1
102nd, one-level anoxic pond 103, Aerobic Pond 104 and two level anoxic pond 105, MBR films block assembly 201, power are provided with MBR membrane cisternas 2
Production water pump 401, blower fan 402 and reflux pump 403 are provided with control system 4;One-level anaerobic pond 101, secondary anaerobic pond 102, one-level
Anoxic pond 103 and two level anoxic pond 105 communicate with water inlet manifold 5, one-level anaerobic pond 101, one-level anoxic pond 103, Aerobic Pond
104th, secondary anaerobic pond 102, two level anoxic pond 105, the circulation of Aerobic Pond 104 communicate, wherein, first is provided with Aerobic Pond 104 and is exposed
Tracheae 106, MBR membrane cisternas 2 are interior to be provided with the second aeration tube 202, and blower fan 402 is connected to the first aeration tube 106 by the first tracheae 501
With the second aeration tube 202, production one end of water pump 401 is connected by suction hose 502 with MBR films block assembly 201, MBR films block assembly 201
The other end is connected by the second tracheae 506 and the first tracheae 501, and the other end of production water pump 401 passes through drainpipe 503 and filtered water tank
3 connections, filtered water tank 3 are connected by blow-down pipe 504 with suction hose 502, and reflux pump 403 is connected by water inlet pipe 505 and MBR membrane cisternas 2
Connect, be connected by outlet pipe 506 with one-level anaerobic pond 101.
Its operation logic is:
Sewage respectively enters one-level anaerobic pond 101, secondary anaerobic pond 102, one-level anoxic pond 103 and two through water inlet manifold 5
In level anoxic pond 105, the water inlet of one-level anaerobic pond 101 mixes with the backwater of reflux pump 403, removes the nitrate nitrogen in water quality, ensures two
The level efficient dephosphorization of anaerobic pond 102;The water outlet of Aerobic Pond 104 is sufficiently mixed with water inlet from secondary anaerobic pond 102 is flow to and realizes denitrogenation,
Then again by the MBR films block assembly 201 in MBR membrane cisternas 2 to water outlet advanced treating, reflux pump 403 is by MBR membrane cisterna sludge refluxes
To one-level anaerobic pond 101, sewage is directly discharged into filtered water tank 3 by production water pump 401, and medicine water tank, regular people are used as by the use of filtered water tank 3
Work adds medicament, you can completes to handle the denitrogenation dephosphorizing of sewage.
In the present embodiment, the first barometric damper 507, the first gas are provided between the first tracheae 501 and the first aeration tube 106
The second barometric damper 508 is provided between the aeration tube 202 of pipe 501 and second;Suction hose 502 is provided with the electronic pipe valve 509 that absorbs water,
Drainpipe 503 is provided with the first pipe valve 510 and flowmeter 511, and blow-down pipe 504 is provided with the second pipe valve 512;On water inlet pipe 505
Provided with the 3rd pipe valve 513, outlet pipe 506 is provided with the 4th pipe valve 514.Purpose is, is easy to control to adjust on corresponding pipeline
Water.
In the present embodiment, switch board 404 is additionally provided with power control system 4, switch board 404 uses PLC control system, root
According to the water quality and water for entering sewage from water inlet manifold 5 and each inlet segment, to production water pump 401, blower fan 402, reflux pump 403,
First barometric damper 507, the second barometric damper 508, the electronic pipe valve 509 of water suction, the first pipe valve 510, the second pipe valve 512,
3rd pipe valve 513 and the 4th pipe valve 514 are automatically controlled.Purpose is, can be counted respectively by the calculating to influent quality
Go out inflow, the backflow water yield of reflux pump of each inlet segment, corresponding design water is adjusted by valve.Consideration system is entered
The change of water water quality, set instrument to carry out Flow-rate adjustment in inlet pipeline, be made up of the different quality of statistics, calculating and setting is not
Same operational mode, the automatic conversion method of operation is programmed by PLC, realizes the automation of system operation.
In the present embodiment, one-level anaerobic pond 101, secondary anaerobic pond 102, one-level anoxic pond 103 and two level anoxic pond 105
Water inlet is provided with thin diagrid 6.For removing the suspension in water removal, it is ensured that clear water effect and whole system it is stable.
In the present embodiment, power control system 4 is arranged in equipment room, and filtered water tank 3 is arranged on the top of equipment room.Purpose
It is, filtered water tank is arranged on to the top of equipment room, reduce floor space, while utilize water-head, realizes that liquid medicine gravity flow is thrown
Add, reduce the setting of dosing pump, reduce operation energy consumption and investment.Filtered water tank 3 can be set more than ground, and gravity flow gives off
Water, certain head be present, may be directly applied to flushing the toilet or afforesting for one layer of building.
It is one-level anaerobic pond 101, secondary anaerobic pond 102, one-level anoxic pond 103 in MAO water tanks 1, aerobic in the present embodiment
Pond 104 and two level anoxic pond 105, set using baffling tumble type.Purpose is, can the waterpower of increase sewage of amplitude peak stop
The time is stayed, ensures that biochemical treatment is abundant, reduces influence of the short stream of system to effluent quality.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
- A kind of 1. modified MAO+MBR embrane method sewage disposal systems, it is characterised in that:Including MAO water tanks(1), MBR membrane cisternas(2)、 Filtered water tank(3)And power control system(4), MAO water tanks(1)In be provided with one-level anaerobic pond(101), secondary anaerobic pond(102), one Level anoxic pond(103), Aerobic Pond(104)And two level anoxic pond(105), MBR membrane cisternas(2)In be provided with MBR film block assemblies(201), Power control system(4)In be provided with production water pump(401), blower fan(402)And reflux pump(403);One-level anaerobic pond(101), two level Anaerobic pond(102), one-level anoxic pond(103)And two level anoxic pond(105)And water inlet manifold(5)Communicate, one-level anaerobic pond (101), one-level anoxic pond(103), Aerobic Pond(104), secondary anaerobic pond(102), two level anoxic pond(105), Aerobic Pond(104) Circulation communicates, wherein, Aerobic Pond(104)Inside it is provided with the first aeration tube(106), MBR membrane cisternas(2)Inside it is provided with the second aeration tube (202), blower fan(402)Pass through the first tracheae(501)It is connected to the first aeration tube(106)With the second aeration tube(202), produce water pump (401)One end passes through suction hose(502)With MBR film block assemblies(201)Connection, MBR film block assemblies(201)The other end passes through second Tracheae(506)With the first tracheae(501)Connection, produce water pump(401)The other end pass through drainpipe(503)With filtered water tank(3)Even Connect, filtered water tank(3)Pass through blow-down pipe(504)With suction hose(502)Connection, reflux pump(403)Pass through water inlet pipe(505)With MBR Membrane cisterna(2)Connection, passes through outlet pipe(506)With one-level anaerobic pond(101)Connection.
- 2. modified MAO+MBR embrane method sewage disposal systems according to claim 1, it is characterised in that:First gas Pipe(501)With the first aeration tube(106)Between be provided with the first barometric damper(507), the first tracheae(501)With the second aeration tube (202)Between be provided with the second barometric damper(508);Suction hose(502)It is provided with the electronic pipe valve that absorbs water(509), drainpipe (503)It is provided with the first pipe valve(510)And flowmeter(511), blow-down pipe(504)It is provided with the second pipe valve(512);Water inlet pipe (505)It is provided with the 3rd pipe valve(513), outlet pipe(506)It is provided with the 4th pipe valve(514).
- 3. modified MAO+MBR embrane method sewage disposal systems according to claim 1, it is characterised in that:The power control System processed(4)In be additionally provided with switch board(404), switch board(404)Using PLC control system, according to from water inlet manifold(5)It is and each Inlet segment enters the water quality and water of sewage, to producing water pump(401), blower fan(402), reflux pump(403), the first air-flow regulation Valve(507), the second barometric damper(508), the electronic pipe valve of water suction(509), the first pipe valve(510), the second pipe valve(512), Three pipe valves(513)And the 4th pipe valve(514)Automatically controlled.
- 4. the modified MAO+MBR embrane method sewage disposal systems according to claim 1,2 or 3, it is characterised in that:Described one Level anaerobic pond(101), secondary anaerobic pond(102), one-level anoxic pond(103)And two level anoxic pond(105)Water inlet be provided with Thin diagrid(6).
- 5. the modified MAO+MBR embrane method sewage disposal systems according to claim 1,2 or 3, it is characterised in that:It is described dynamic Force control system(4)It is arranged in equipment room, filtered water tank(3)It is arranged on the top of equipment room.
- 6. the modified MAO+MBR embrane method sewage disposal systems according to claim 1,2 or 3, it is characterised in that:It is described MAO water tanks(1)In one-level anaerobic pond(101), secondary anaerobic pond(102), one-level anoxic pond(103), Aerobic Pond(104)And two Level anoxic pond(105), set using baffling tumble type.
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CN201710654222.9A CN107337319A (en) | 2017-08-03 | 2017-08-03 | Modified MAO+MBR embrane method sewage disposal systems |
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CN201710654222.9A CN107337319A (en) | 2017-08-03 | 2017-08-03 | Modified MAO+MBR embrane method sewage disposal systems |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109250819A (en) * | 2018-11-09 | 2019-01-22 | 北京碧水源科技股份有限公司 | A kind of MBR sewage disposal system of advanced nitrogen dephosphorization |
CN109574225A (en) * | 2018-12-28 | 2019-04-05 | 北控水务(中国)投资有限公司 | A kind of A2OA-MBR sewage-treatment plant and method |
CN109942154A (en) * | 2019-04-15 | 2019-06-28 | 浦华环保有限公司 | The method and system of the simultaneous aerobic FBC technical treatment sewage that is coupled of biology |
CN111268803A (en) * | 2020-03-26 | 2020-06-12 | 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) | Method for treating low-temperature municipal sewage by using internal phosphorus removal A-MAO activated sludge biofilm process and application |
-
2017
- 2017-08-03 CN CN201710654222.9A patent/CN107337319A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109250819A (en) * | 2018-11-09 | 2019-01-22 | 北京碧水源科技股份有限公司 | A kind of MBR sewage disposal system of advanced nitrogen dephosphorization |
CN109574225A (en) * | 2018-12-28 | 2019-04-05 | 北控水务(中国)投资有限公司 | A kind of A2OA-MBR sewage-treatment plant and method |
CN109942154A (en) * | 2019-04-15 | 2019-06-28 | 浦华环保有限公司 | The method and system of the simultaneous aerobic FBC technical treatment sewage that is coupled of biology |
CN111268803A (en) * | 2020-03-26 | 2020-06-12 | 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) | Method for treating low-temperature municipal sewage by using internal phosphorus removal A-MAO activated sludge biofilm process and application |
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