CN108793386A - A kind of novel percolate low consumption membrane bio-reaction system and its method for handling organic sewage - Google Patents
A kind of novel percolate low consumption membrane bio-reaction system and its method for handling organic sewage Download PDFInfo
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- CN108793386A CN108793386A CN201810865029.4A CN201810865029A CN108793386A CN 108793386 A CN108793386 A CN 108793386A CN 201810865029 A CN201810865029 A CN 201810865029A CN 108793386 A CN108793386 A CN 108793386A
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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
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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
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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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
- C02F2303/14—Maintenance of water treatment installations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biodiversity & Conservation Biology (AREA)
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of novel percolate low consumption membrane bio-reaction system and its methods for handling organic sewage, wherein, the bio-reaction system includes aerobic tank, MBR membrane modules, aerator, back washing device and medicine cleaning device, the outlet pipe of the aerobic tank is connect with the lower return pipe of MBR membrane modules, the aeration tube of the aerator is connect with the lower part air inlet of MBR membrane modules, the chemical feed pipe of the medicine cleaning device is connect with the backwash tube of medicine cleaning device, is connect with the water producing pipe on MBR membrane modules top.For the present invention under the premise of ensuring film device higher flux, the amount of deposition, increases its stability in the case where reducing fracture of wire and equipment cavity.
Description
Technical field
The present invention relates to a kind of novel percolate low consumption membrane bio-reaction system and its methods for handling organic sewage.
Background technology
Currently, the common feature of the organic wastewater with difficult degradation thereby such as landfill leachate, kitchen waste water is complicated component, intractability
Greatly, the processing method of generally use " pretreatment+biochemical treatment+advanced treating ", wherein advanced treating is current environmental requirement
Key points and difficulties.In advanced treating, existing engineering master to be applied is membrane technology (MBR), compared to traditional activated sludge process,
MBR has the characteristics that better producing water water quality and system stability, high sludge concentration, low sludge volume and low energy consumption.
MBR technology obtains more and more engineer applications in oil-containing and difficult for biological degradation treatment of Organic Wastewater field,
And achieve good effect.It is different from the relative position of biological reaction pool by its membrane module, immersion and external can be divided into
Two kinds, the wider product of application is respectively curtain hollow-fibre membrane and type external tubular membrane.In actual application, curtain is hollow
Tunica fibrosa and type external tubular membrane cut both ways.Comparatively, the investment operating cost of curtain hollow-fibre membrane is low, but its operation is logical
Measure low, operating environment is poor, takes up a large area, and easily deposition fracture of wire, management O&M is not easy to, on the other hand, although external pipe type
Film operating flux is high, but there is also the high drawbacks of investment operating cost.
By the improvement of optimization and system that membrane bioreactor designs, the treatment effeciency of highly difficult organic wastewater is improved,
Processing cost is reduced, is the key that push the development of its treatment technology.
Invention content
Purpose of the present invention is to provide a kind of novel percolate low consumption membrane biological reaction system in view of the defects existing in the prior art
The method of system and its processing organic sewage.
The present invention to achieve the above object, adopts the following technical scheme that：A kind of novel percolate low consumption membrane biological reaction system
System, including aerobic tank, MBR membrane modules, aerator, back washing device and medicine cleaning device, outlet pipe and the MBR films of the aerobic tank
The lower return pipe of component connects, and the aeration tube of the aerator is connect with the lower part air inlet of MBR membrane modules, and the medicine is washed
The chemical feed pipe of device and the backwash tube of back washing device are connect with the production mouth of a river on MBR membrane modules top respectively.
Further, the outlet pipe of the aerobic tank passes sequentially through intake pump and filter and is connect with the MBR membrane modules.
Further, the aerator includes swinging wind turbine, the air outlet of the swinging wind turbine and the MBR films
Component connects.
Further, the back washing device includes water producing tank, and the lower part backwash tube of the water producing tank is distinguished by backwashing pump
It is connect with the top of the MBR membrane modules production mouth of a river.
Further, water suction pump and the water producing tank are also produced in the production mouth of a river in MBR membrane modules top by membranous system
Top water inlet connection.
Further, the upper return mouth of the MBR membrane modules passes sequentially through MBR membrane module mixing return duct, MBR film groups
Part return duct is connect with aerobic tank；The lower return mouth of the MBR membrane modules is connected by MBR membrane modules return duct and aerobic tank
It connects.
Further, the medicine cleaning device includes acid adding medicine-chest and alkali medicine-chest, the acid adding medicine-chest is added to be measured by acid
Pump is connect with the acid adding drug-feeding tube, and imports backwash tube；Described plus alkali medicine-chest adds alkali into medicine by alkali formula metering pump with described
Pipe connects, and imports backwash tube；The backwash tube is connect with the top of the MBR membrane modules production mouth of a river.
Further, the pipeline between the aerobic tank, aerator, back washing device and medicine cleaning device and MBR membrane modules
On be both provided with pipeline flowmeter, pressure gauge, automatic valve and pressure sensor.
A method of organic sewage is handled based on percolate low consumption membrane bio-reaction system, is included the following steps：
The first step, clean water treatment：Landfill leachate sequentially enters aerobic tank and MBR membrane modules, and in MBR membrane modules
The concurrent biology reason of microorganism contact, chemistry and biological effect, make landfill leachate adequately be degraded, be converted；
Second step produces water：System operation initial stage or complete MBR membrane modules cleaning after, MBR membrane modules water outlet by produce water
Pipe accesses water producing tank water inlet pipe, is directly entered water producing tank；After the accumulation of film wire dirt, the water outlet of MBR membrane modules produces water by membranous system
Suction pump is drawn into water producing pipe, after by water producing tank water inlet pipe enter water producing tank；System water outlet up to standard is discharged through water producing tank
Pipe is discharged by system outlet pipe；When water exceeds warning line in water producing tank, water outlet passes through through water producing tank high position overflow pipe is
Outlet pipe of uniting discharges；
Third walks, aeration and sludge reflux：While carrying out membrane filtration, swinging wind turbine by air by aeration tube into
Enter special MBR membrane modules, while providing oxygen for microorganism, film wire is made to generate vibration, removal is attached to film wire surface
Dirt, the mixed liquor for mixing airwater mist cooling import MBR film groups through the MBR membrane module mixing return ducts at the top of MBR membrane modules
Part return duct is back to aerobic tank, and the sludge deposited in MBR membrane modules is then directly back to by MBR membrane modules return duct aerobic
Pond；
4th step, backwash：MBR membrane modules stop production water, carry out backwash, rest than being 9:1；System produce water through backwashing pump by
Water producing tank is extracted to MBR membrane module outlet pipes, into MBR membrane modules, rinses film wire, and the mixed-liquor return after backwash is to aerobic
Pond；
5th step, medicine are washed：When system operation was to 1~3 month, MBR membrane modules stop production water, carry out medicine and wash, acid solution configuration
In acid adding medicine-chest, it is promoted in backwash tube through acid adding drug-feeding tube by acid metering pump, rear lye, which is configured at, to be added in alkali medicine-chest, by
Alkali formula metering pump is through adding alkali drug-feeding tube to be promoted in backwash tube.
Beneficial effects of the present invention：
1), under the premise of ensuring film device higher flux, deposition in the case where reducing fracture of wire and equipment cavity
Amount, increases its stability.
2), the system is not necessarily to civil engineering, while reducing floor space, effectively reduces the cost of entire sewage-treatment plant
Expense and capital expenditure.
3), equipment is closed, fundamentally solves foam and the outer of peculiar smell dissipates, so as to improve the environment at project scene.
4) automation, is realized in equipment running process, reduces manual operation, and convenient for safeguarding, it is difficult to substantially reduce management
Degree and human input.
5), equipment reduces energy consumption to a certain extent, reduces operating cost.
6), equipment is easy for installation, completely can complete set production.
Description of the drawings
Fig. 1 is present invention process flow diagram.
In figure：1, system water inlet pipe；2, aerobic tank；3, aerobic tank outlet pipe；4, intake pump；5, filter；6, MBR films group
Part；7, MBR membrane modules mixing return duct；8, MBR membrane modules return duct；9, swinging wind turbine；10, pipeline flowmeter；11, pressure
Table；12, automatic valve；13, aeration tube；14, pressure sensor；15, MBR membrane modules outlet pipe；16, membranous system produces water suction pump；
17, water producing pipe b；18, water producing pipe a；19, water producing tank water inlet pipe；20, water producing tank；21, backwashing pump；22, acid adding medicine-chest；23, acid
Metering pump；24, acid adding drug-feeding tube；25, add alkali medicine-chest；26, alkali formula metering pump；27, add alkali drug-feeding tube；28, backwash tube；29, it produces
Water tank high position overflow pipe；30, water producing tank outlet pipe；31, system outlet pipe.
Specific implementation mode
Shown in Fig. 1, disclose a kind of novel percolate low consumption membrane bio-reaction system, including aerobic tank, MBR membrane modules,
Aerator, back washing device and medicine cleaning device, the outlet pipe of the aerobic tank are connect with the lower return pipe of MBR membrane modules, institute
The aeration tube for stating aerator is connect with the lower part air inlet of MBR membrane modules, the chemical feed pipe and back washing device of the medicine cleaning device
Backwash tube connect respectively with the production mouth of a river on MBR membrane modules top.
Further embodiment is that the outlet pipe of the aerobic tank passes sequentially through intake pump and filter and the MBR films group
Part connects.Further embodiment is that the aerator includes swinging wind turbine, the air outlet of the swinging wind turbine with it is described
MBR membrane modules connect.Further embodiment is that the back washing device includes water producing tank, and the lower part backwash tube of the water producing tank is logical
Backwashing pump is crossed to connect with the top of the MBR membrane modules production mouth of a river respectively.Further embodiment is MBR membrane modules top
Water suction pump is also produced by membranous system and is connect with the top water inlet of the water producing tank in the production mouth of a river.Further embodiment is, described
The upper return mouth of MBR membrane modules passes sequentially through MBR membrane module mixing return duct, MBR membrane module return ducts are connect with aerobic tank；
The lower return mouth of the MBR membrane modules is connect by MBR membrane module return ducts with aerobic tank.Further embodiment is, described
Medicine cleaning device include acid adding medicine-chest and plus alkali medicine-chest, the acid adding medicine-chest it is upper by acid metering pump and the MBR membrane modules
Produce mouth of a river connection in portion；Described plus alkali medicine-chest produces the mouth of a river with the top of the MBR membrane modules by alkali formula metering pump and connect.Further
Scheme be to be respectively provided on the pipeline between the aerobic tank, aerator, back washing device and medicine cleaning device and MBR membrane modules
There are pipeline flowmeter, pressure gauge, automatic valve and pressure sensor.
In addition, the invention further relates to a kind of method handling organic sewage based on percolate low consumption membrane bio-reaction system,
Include the following steps：
The step of purified treatment：Waste water enters aerobic tank 2 by system water inlet pipe 1, is completed in aerobic tank 2 aerobic anti-
It answers, intake pump 4 extracts the waste water of preliminary treatment from aerobic tank 2, and special MBR membrane modules 6 are entered after filter 5.In special MBR
Particle, colloid, bacterium, heat source and the polymer organic matter in waste water are further removed in membrane module 6.MBR membrane biological reactions
Device is airtight cavity, avoids foam and peculiar smell because of aeration generation from drifting with the wind, ensure that good equipment operating environment.
Produce water：System operation initial stage or after completing membrane module cleaning, membrane module water outlet can pass through water producing pipe a18 access production
Tank inlet pipe 19 is directly entered water producing tank 20.After the accumulation of film wire dirt, membrane module water outlet is by membranous system production water suction pump 16
Be drawn into water producing pipe b17, after by water producing tank water inlet pipe 19 enter water producing tank 20.System water outlet up to standard can go out through water producing tank
Water pipe 30 is discharged by system outlet pipe 31.When water exceeds warning line in water producing tank, it is discharged through water producing tank high position overflow pipe
It is discharged by system outlet pipe 31.
The step of aeration and sludge reflux：While carrying out membrane filtration, swinging wind turbine 9 by air by aeration tube into
Enter special MBR membrane modules 6, while providing oxygen for microorganism, film wire is made to generate vibration, removal is attached to film wire surface
Dirt, the mixed liquor for mixing airwater mist cooling are imported through the MBR membrane module mixing return duct 7 at 6 top of special MBR membrane modules
MBR membrane modules return duct 8 is back to aerobic tank 2, and the sludge deposited in special MBR membrane modules 6 then passes through MBR membrane module return ducts
8 are directly back to aerobic tank 2.The aerator connected using membrane module bottom makes the film wire in MBR membrane modules generate shake,
The dirt on film wire surface is removed, while the aqueous vapor mud mixture generated after being aerated is back to aerobic tank, increases the oxygen of aerobic tank
Gas and activated sludge content, save energy consumption, improve the operational efficiency of equipment.
The step of backwash：MBR membranous systems stop production water, carry out backwash, rest than being 9:1.System produces water through backwashing pump 21
By the extracting of water producing tank 20 to MBR membrane module outlet pipes film wire, the mixed-liquor return after backwash are rinsed into special MBR membrane modules
To aerobic tank 2.
The step of medicine is washed：When system operation was to 1~3 month, MBR membranous systems stop production water, carry out medicine and wash, acid solution is configured at
It in acid adding medicine-chest 22, is promoted in backwash tube 28 through acid adding drug-feeding tube 24 by acid metering pump 23, rear lye is configured at plus alkali medicine
In case 25, by alkali formula metering pump 26 through adding alkali drug-feeding tube 27 to be promoted in backwash tube 28.
The cleaning of equipment is completed in membrane module shell, without separately matching service sink, to greatly reduce the possibility of deposition
The floor space of property and equipment.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of novel percolate low consumption membrane bio-reaction system, which is characterized in that including aerobic tank, MBR membrane modules, aeration dress
It sets, back washing device and medicine cleaning device, the outlet pipe of the aerobic tank are connect with the lower return pipe of MBR membrane modules, the aeration
The aeration tube of device is connect with the lower part air inlet of MBR membrane modules, the backwash of the chemical feed pipe and back washing device of the medicine cleaning device
Pipe is connect with the production mouth of a river on MBR membrane modules top respectively.
2. a kind of novel percolate low consumption membrane bio-reaction system as described in claim 1, which is characterized in that the aerobic tank
Outlet pipe pass sequentially through intake pump and filter and connect with the MBR membrane modules.
3. a kind of novel percolate low consumption membrane bio-reaction system as described in claim 1, which is characterized in that the aeration dress
It sets including swinging wind turbine, the air outlet of the swinging wind turbine is connect with the MBR membrane modules.
4. a kind of novel percolate low consumption membrane bio-reaction system as described in claim 1, which is characterized in that the backwash dress
It sets including water producing tank, the lower part backwash tube of the water producing tank produces the mouth of a river with the top of the MBR membrane modules respectively by backwashing pump
Connection.
5. a kind of novel percolate low consumption membrane bio-reaction system as described in claim 1, which is characterized in that the MBR films
Water suction pump is also produced by membranous system and is connect with the top water inlet of the water producing tank in the component top production mouth of a river.
6. a kind of novel percolate low consumption membrane bio-reaction system as described in claim 1, which is characterized in that the MBR films
The upper return mouth of component passes sequentially through MBR membrane module mixing return duct, MBR membrane module return ducts are connect with aerobic tank；It is described
The lower return mouth of MBR membrane modules is connect by MBR membrane module return ducts with aerobic tank.
7. a kind of novel percolate low consumption membrane bio-reaction system as described in claim 1, which is characterized in that the medicine washes dress
It sets including acid adding medicine-chest and adds alkali medicine-chest, the acid adding medicine-chest is connect by acid metering pump with the acid adding drug-feeding tube, and is converged
Enter backwash tube；Described plus alkali medicine-chest is connect by alkali formula metering pump with described plus alkali drug-feeding tube, and imports backwash tube；The backwash
It manages and is connect with the top of the MBR membrane modules production mouth of a river.
8. a kind of novel percolate low consumption membrane bio-reaction system as described in any one of claim 1 to 7, which is characterized in that
It is both provided with pipeline flow on pipeline between the aerobic tank, aerator, back washing device and medicine cleaning device and MBR membrane modules
Meter, pressure gauge, automatic valve and pressure sensor.
9. a kind of method handling organic sewage using percolate low consumption membrane bio-reaction system according to any one of claims 8, special
Sign is, includes the following steps：
The first step, clean water treatment：Landfill leachate sequentially enters aerobic tank and MBR membrane modules, and with micro- life in MBR membrane modules
The concurrent biology reason of object contact, chemistry and biological effect, make landfill leachate adequately be degraded, be converted；
Second step produces water：System operation initial stage or complete MBR membrane modules cleaning after, MBR membrane modules water outlet connect by water producing pipe
Enter water producing tank water inlet pipe, is directly entered water producing tank；After the accumulation of film wire dirt, the water outlet of MBR membrane modules is by membranous system production water suction
Pumping enters water producing pipe, after by water producing tank water inlet pipe enter water producing tank；System water outlet up to standard is logical through water producing tank outlet pipe
Cross the discharge of system outlet pipe；When water exceeds warning line in water producing tank, water outlet is gone out through water producing tank high position overflow pipe by system
Water pipe discharges；
Third walks, aeration and sludge reflux：While carrying out membrane filtration, air is entered spy by swinging wind turbine by aeration tube
MBR membrane modules processed make film wire generate vibration while providing oxygen for microorganism, and removal is attached to the dirt on film wire surface,
The mixed liquor for mixing airwater mist cooling imports the reflux of MBR membrane modules through the MBR membrane module mixing return ducts at the top of MBR membrane modules
Pipe is back to aerobic tank, and the sludge deposited in MBR membrane modules is then directly back to aerobic tank by MBR membrane module return ducts；
4th step, backwash：MBR membrane modules stop production water, carry out backwash, rest than being 9:1；System produces water through backwashing pump by production water
Case is extracted to MBR membrane module outlet pipes, into MBR membrane modules, rinses film wire, the mixed-liquor return after backwash to aerobic tank；
5th step, medicine are washed：When system operation was to 1~3 month, MBR membrane modules stop production water, carry out medicine and wash, and acid solution, which is configured at, to be added
It in sour medicine-chest, is promoted in backwash tube through acid adding drug-feeding tube by acid metering pump, rear lye, which is configured at, to be added in alkali medicine-chest, by alkali formula
Metering pump is through adding alkali drug-feeding tube to be promoted in backwash tube.
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| CN201810865029.4A CN108793386A (en) | 2018-08-01 | 2018-08-01 | A kind of novel percolate low consumption membrane bio-reaction system and its method for handling organic sewage |
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| CN201810865029.4A CN108793386A (en) | 2018-08-01 | 2018-08-01 | A kind of novel percolate low consumption membrane bio-reaction system and its method for handling organic sewage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559864A (en) * | 2019-09-23 | 2019-12-13 | 苏州苏科环保科技有限公司 | ultrafiltration membrane self-cleaning device |
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| CN202430092U (en) * | 2011-12-28 | 2012-09-12 | 广州市市政工程设计研究院 | Device for OAAO+MBR (membrane biological reactor) denitrification and dephosphorization sewage treatment process |
| CN106698653A (en) * | 2016-12-14 | 2017-05-24 | 天津膜天膜科技股份有限公司 | Composite energy-saving and consumption-reducing MBR sewage treatment system |
| CN206980471U (en) * | 2017-07-24 | 2018-02-09 | 光大环保技术研究院（南京）有限公司 | A kind of garbage percolation liquid treating system |
| CN207276301U (en) * | 2017-10-30 | 2018-04-27 | 安徽欧鑫环保科技有限责任公司 | A kind of integration MBR film sewage treatment devices |
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2018
- 2018-08-01 CN CN201810865029.4A patent/CN108793386A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202430092U (en) * | 2011-12-28 | 2012-09-12 | 广州市市政工程设计研究院 | Device for OAAO+MBR (membrane biological reactor) denitrification and dephosphorization sewage treatment process |
| CN106698653A (en) * | 2016-12-14 | 2017-05-24 | 天津膜天膜科技股份有限公司 | Composite energy-saving and consumption-reducing MBR sewage treatment system |
| CN206980471U (en) * | 2017-07-24 | 2018-02-09 | 光大环保技术研究院（南京）有限公司 | A kind of garbage percolation liquid treating system |
| CN207276301U (en) * | 2017-10-30 | 2018-04-27 | 安徽欧鑫环保科技有限责任公司 | A kind of integration MBR film sewage treatment devices |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559864A (en) * | 2019-09-23 | 2019-12-13 | 苏州苏科环保科技有限公司 | ultrafiltration membrane self-cleaning device |
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