CN106882908A - Small towns sewage treatment process and equipment - Google Patents
Small towns sewage treatment process and equipment Download PDFInfo
- Publication number
- CN106882908A CN106882908A CN201710251946.9A CN201710251946A CN106882908A CN 106882908 A CN106882908 A CN 106882908A CN 201710251946 A CN201710251946 A CN 201710251946A CN 106882908 A CN106882908 A CN 106882908A
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- small towns
- layer
- filter bed
- packing material
- biologic packing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a kind of small towns sewage treatment process and equipment, it is related to small towns technical field of sewage, the small towns sewage disposal device includes biologic packing material filter bed and membrane separation device, the biologic packing material filter bed is used to improve Biodegradability of Wastewater, and the membrane separation device is used to carry out film process；The outlet of the biologic packing material filter bed and the entrance of the membrane separation device are connected.The small towns sewage treatment process includes the step of improving Biodegradability of Wastewater first, the step of then carry out film process, finally collects and produces water；The raising Biodegradability of Wastewater is performed by the biologic packing material filter bed, and the film process is performed by the membrane separation device；Described collection produces water by reuse pool execution.The small towns sewage treatment process and device of the application, solve that the technique existed during small towns sewage disposal in the prior art is cumbersome, and operational management high cost technical problem.
Description
Technical field
The present invention relates to small towns technical field of sewage, more particularly, to a kind of small towns sewage treatment process and equipment.
Background technology
Small towns sewage and city dirt are very different.First, small towns and city are in the conditions such as society, economic and technical
Difference it is big；Secondly, the physical and chemical index of small towns sewage and municipal sewage is also different.Therefore at municipal sewage more ripe at present
Science and engineering skill is not applied to and small towns.
The sewage disposal in small towns is mostly the geographical relief advantage based on small towns, using environmental technique.But, current small towns
Sewage disposal occur in that treating capacity increase, treatment effect can not meet requirement, urban land resource bar about discharge standard
The problems such as part lacks.Therefore, how a kind of small towns sewage treatment process and device are provided, concise in technology, treatment effect is made it have
Really good, occupation of land is saved, the advantage that energy consumption is low, operational management is easy, secondary pollution is few, is art technology problem demanding prompt solution.
Earlier application CN204017676U provide a kind of micro-pore aeration membrane module, including putamina, located at the putamina two
The upper end cover and bottom end cover at end and the central tube of the upper end cover and bottom end cover center is connected to, the sidepiece of the upper end cover
Concentrated water spout is provided with, the sidepiece of the bottom end cover is provided with water inlet, and the upper end of the central tube is provided with delivery port and passes on described
End cap, two mouths of pipe of the central tube are opened, and the body of the central tube is provided with limbers, the central tube and the putamina
Between be provided with hollow-fibre membrane, the inside of the bottom end cover is provided with aeration head, and the bottom of the bottom end cover is provided with air inlet, described
Air inlet is connected with the aeration head, and micropore is densely covered with the aeration membrane of the aeration head.With advantages below：
1st, using the effect of aeration head, make compressed gas that uniform concussion is formed between hollow-fibre membrane, in making to be attached to
The polluter on hollow fiber film surface is peeled off, and is rinsed water and is taken away, and is enhanced developing result, has been saved backwash water consumption, while
Film silk can be prevented disconnected by shake, the service life of hollow fiber ultrafiltration membrane is improved.
2nd, the aeration head is connected with the bottom end cover by screw thread, it is ensured that aeration head is fastenedly connected with bottom end cover.
3rd, the material of the aeration film is silicon rubber, with good physical and mechanical properties and ageing-resistant performance and antiacid,
Alkali and medicament corrode, it is ensured that the service life of aeration head.
4th, helically formula is arranged on the central tube for the limbers so that water can fully connect with hollow-fibre membrane
Touch, promote the formation of turbulent flow, so as to strengthen filter effect.
Based on above-mentioned advantage, the application uses the micro-pore aeration membrane module during film process.
Based on this, the invention provides a kind of small towns sewage treatment process and device solving above-mentioned technical problem.
The content of the invention
It is dirty to alleviate small towns in the prior art it is an object of the invention to provide a kind of small towns sewage treatment process and equipment
The technique existed during water process is cumbersome, and operational management high cost technical problem.
The small towns sewage disposal device that the present invention is provided, including biologic packing material filter bed and membrane separation device, the biology
Filler filter bed is used to improve Biodegradability of Wastewater, and the membrane separation device is used to carry out film process；The biologic packing material filtering
The outlet of bed and the entrance of the membrane separation device are connected.
Further, the biologic packing material filter bed includes downwards surface filtration layer and filter packing layer from earth's surface successively；
Surface filtration layer is provided with water inlet pipe, sewage flows into the biologic packing material filter bed by the water inlet pipe；
Tube layer of catchmenting is provided with filter packing layer, the tube layer of catchmenting is placed with collector pipe, produces water by the collector pipe stream
Go out the biologic packing material filter bed.
Further, the filter packing layer includes capillary filtration barrier layer, volcanic filling material layer, holds successively from top to bottom
Support layer；The capillary filtration barrier layer includes haydite and quartz sand particle, and the volcanic filling material layer includes absorption affinity volcano high
Rock filler, the supporting layer includes cobblestone；It is internally provided with aeration tube layer, the aeration tube layer in the supporting layer and is set
There is aeration tube.
Further, the aeration tube is provided with many, and adjacent two aeration tubes are spaced 50 centimetres.
Further, the membrane separation device is by the integration aeration in micro-pore aeration hyperfiltration membrane assembly immersion V-type pond
Pillar submerged membrane system.
Further, also including sewage treatment grille, the outlet of the sewage treatment grille is filtered with the biologic packing material
The entrance connection of bed.
The small towns sewage treatment process that the present invention is provided, including the step of improve Biodegradability of Wastewater first, then
The step of carrying out film process, finally collects and produces water；The raising Biodegradability of Wastewater is performed by the biologic packing material filter bed,
The film process is performed by the membrane separation device；Described collection produces water by reuse pool execution.
Further, it is described raising Biodegradability of Wastewater the step of before carry out big impurity go-on-go；The big impurity go-on-go
By described sewage treatment grille.
Further, the step of the film process in also include degradation of organic substances the step of.
Further, also including sterilisation step and backwash step, the sterilisation step is carried out in the reuse pool；Institute
It is to introduce in the integration aeration pillar submerged membrane system product water in the recovery pond to state backwash step.
The small towns sewage treatment process that the present invention is provided, including the step of improve Biodegradability of Wastewater first, then
The step of carrying out film process, finally collects and produces water；Improve Biodegradability of Wastewater to be performed by biologic packing material filter bed, film process is led to
Membrane separation device is performed；Collect and produce water by reuse pool execution.Biologic packing material filter bed is more suitable for the environment bar in small towns
Part, and process is simple, operating cost are low when being used in small towns.
Sewage is first passed through after biologic packing material filter bed the step of film process is carried out, it is possible to increase the efficiency of film process.Cause
The biodegradability of sewage can be improved for biologic packing material filter bed, it includes substantial amounts of microorganism, these microorganisms are also in sewage
Organic substance can adsorb and degrade the organic matter in sewage for the microorganism in nutrition, therefore biologic packing material filter bed, and
Difficult degradation larger molecular organicses are converted into small organic molecule.The sewage that improve biodegradability is practically free of easily dirty blocking up
The material of film, not only rate of filtration increase, secondary pollution is not resulted in also.
The small towns sewage disposal device that the present invention is provided, compared with prior art, biologic packing material filter bed and UF membrane are filled
The group technology put is succinct, high treating effect, take up an area save, energy consumption is low, operational management is easy, there's almost no secondary pollution.It is raw
Thing filler filter bed is used to improve Biodegradability of Wastewater.Sewage flows into biologic packing material filter bed, after flow out again be referred to as biology fill out
Expect the product water of filter bed.
The product water of biologic packing material filter bed flows into membrane separation device.Avoid in the prior art using at membrane separation technique
Common fracture of wire phenomenon and membrane pollution problem during reason sewage.The treatment of biodegradability due to sewage improve, has entered
The material of easily dirty stifled film is practically free of after membrane separation device, it is not easy to cause film silk fracture.Therefore, the application extends film
The use time of separator, improves the service life of film, so as to reduce operating cost.At the same time, film is reduced
Number of times is changed, so as to reduce maintenance cost.
It is of the invention than original technology based on this, when small towns sewage is processed, with technology profile, and operational management
The advantage of low cost.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of small towns sewage treatment process provided in an embodiment of the present invention and equipment；
Fig. 2 is the schematic diagram of biologic packing material filter bed provided in an embodiment of the present invention.
Mark：1- surface filtrations layer；2- supporting layers；3- filter packings layer；4- collector pipes；5- water inlet pipes.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment
As shown in figure 1, providing a kind of small towns sewage disposal device, the small towns sewage treatment process in the present embodiment
Include biologic packing material filter bed and membrane separation device with equipment, the biologic packing material filter bed is used to improve Biodegradability of Wastewater,
The membrane separation device is used to carry out film process；The outlet of the biologic packing material filter bed and the entrance of the membrane separation device connect
Connect.
The small towns sewage disposal device that the present invention is provided, compared with prior art, biologic packing material filter bed and UF membrane are filled
The group technology put is succinct, high treating effect, take up an area save, energy consumption is low, operational management is easy, there's almost no secondary pollution.It is raw
Thing filler filter bed is used to improve Biodegradability of Wastewater.Sewage flows into biologic packing material filter bed, after flow out again be referred to as biology fill out
Expect the product water of filter bed.
The product water of biologic packing material filter bed flows into membrane separation device.Avoid in the prior art using at membrane separation technique
Common fracture of wire phenomenon and membrane pollution problem during reason sewage.The treatment of biodegradability due to sewage improve, has entered
The material of easily dirty stifled film is practically free of after membrane separation device, it is not easy to cause film silk fracture.Therefore, the application extends film
The use time of separator, improves the service life of film, so as to reduce operating cost.At the same time, film is reduced
Number of times is changed, so as to reduce maintenance cost.
Such as Fig. 2, in the alternative of the present embodiment, the biologic packing material filter bed includes downwards surface mistake successively from earth's surface
Filtering layer 1 and filter packing layer 3；Surface filtration layer is provided with water inlet pipe 5, sewage flows into the life by the water inlet pipe 5
Thing filler filter bed；Tube layer of catchmenting is provided with filter packing layer, the tube layer of catchmenting is placed with collector pipe 4, produces water
The biologic packing material filter bed is flowed out by the collector pipe.
In the alternative of the present embodiment, the filter packing layer includes capillary filtration barrier layer, fire successively from top to bottom
Mountain rock packing layer, supporting layer；The capillary filtration barrier layer includes haydite and quartz sand particle, and the volcanic filling material layer includes
Absorption affinity volcanic filling material high, the supporting layer includes cobblestone；Aeration tube layer, the exposure are internally provided with the supporting layer
Aeration tube is provided with tracheae layer.
Biologic packing material bed vegetable layer passes through capillary filtration barrier layer, volcanic rock after the root system absorption Organic substance in water of plant
Packing layer, is aerated tube layer, and most of organic matter in water removal is removed after tube layer of catchmenting.
Preferably, the surface filtration layer uses aquatile reed.
Preferably, the thickness of the capillary filtration barrier layer is 35-45cm.A diameter of 2-3mm of the haydite.Institute
State a diameter of 1.5-2.0mm of quartz sand.
Preferably, the thickness of the volcanic filling material layer is 50cm.The absorption affinity volcanic filling material high it is a diameter of
3-5mm.
Preferably, the thickness of the supporting layer is 50cm.A diameter of 5-12mm of the cobblestone.
In the alternative of the present embodiment, the aeration tube is provided with many, and adjacent two aeration tubes are spaced 50 lis
Rice.
The aeration of biologic packing material filter bed carries out conveying oxygen using the air blower of pillar MBR, makes Organic substance in water, ammonia nitrogen
Reacted postforming carbon dioxide and water with oxygen, produce nitrogenous fertilizer, nitrogenous fertilizer to be absorbed by root system of plant after ammonia nitrogen and oxygen reaction
After grow, carbon dioxide is absorbed by plant leaf, and oxygen is produced by photosynthesis.Aeration tube can use of the prior art
It is any.
In the alternative of the present embodiment, the membrane separation device is by micro-pore aeration hyperfiltration membrane assembly immersion V-type pond
Integration aeration pillar submerged membrane system.
Micro-pore aeration hyperfiltration membrane assembly, using MBR operation logics, pillar is made by submergence film, and outside uses porous form
UPVC putaminas as support, inside using PVDF materials hollow-fibre membrane, in order to ensure that uniform air distribution bottom uses micropore
Aeration film.By in micro-pore aeration hyperfiltration membrane assembly immersion V-arrangement pond, integration aeration pillar submerged membrane system is formed.
In the alternative of the present embodiment, also including sewage treatment grille, the outlet of the sewage treatment grille with it is described
The entrance connection of biologic packing material filter bed.
Sewage treatment grille can use any one of the prior art.
Preferably, the sewage treatment grille can use mechanical grille.Mechanical grille mainly includes trash rack body, returns
Rotary tooth harrow, driving driver mechanism, overload protecting mechanism and stainless steel conduction chain etc..The equipment is by ABS engineering plastics, Buddhist nun
The special form rake teeth that dragon or stainless steel are made, forms closed rake tooth chain, under it by certain ordering on rake teeth axle
Portion is in water inlet water in a canal.When transmission system band movable sprocket makees at the uniform velocity directional-rotation, whole rake tooth chain is just moved from top to bottom,
And carry solid sundries and separated from liquid, fluid is spilt out by rake teeth gap, and whole working condition is carried out continuously.
Preferably, the height above sea level of the sewage treatment grille outlet is higher than the entrance of the biologic packing material filter bed
Height above sea level.
Above-mentioned height above sea level difference directly can be implemented by the geographical physical features feature in small towns.Natural physical features can be utilized
The conversion of energy is realized, to realize unpowered transmission of the sewage in sewage treatment grille and biologic packing material filter bed.And realize
Easily, cost of implementation is low.Certainly, above-mentioned height above sea level difference can also manually build.Certainly, it is possible to use pump is realized.
Height above sea level can be provided between the biologic packing material filter bed and the membrane separation device poor, it is also possible to do not set
Put.Above-mentioned height above sea level difference directly can be implemented by the geographical physical features feature in small towns, it is also possible to artificial to build, and can also also make
Realized with pump.
The small towns sewage treatment process that the present invention is provided, including the step of improve Biodegradability of Wastewater first, then
The step of carrying out film process, finally collects and produces water；The raising Biodegradability of Wastewater is performed by the biologic packing material filter bed,
The film process is performed by the membrane separation device；Described collection produces water by reuse pool execution.
In the alternative of the present embodiment, it is described raising Biodegradability of Wastewater the step of before carry out big impurity go-on-go；Institute
Big impurity go-on-go is stated by described sewage treatment grille.
In the alternative of the present embodiment, the step of the film process in also include degradation of organic substances the step of.
By in micro-pore aeration hyperfiltration membrane assembly immersion V-arrangement pond, integration aeration pillar submerged membrane system is formed.In V-arrangement
Organic matter degradation medicament is added in pond, is sufficiently stirred for by the air out of the aeration plate from micro-pore aeration hyperfiltration membrane assembly bottom
Uniformly, water body is played effecting reaction with degraded medicament with organic substance, a part of organic substance in water body is degraded.
Such as Fig. 1, in the alternative of the present embodiment, also including sterilisation step, the sterilisation step is in the reuse pool
Inside carry out.Sterilisation step was ozonization, can enter city planting ductwork.
Such as Fig. 1, in the alternative of the present embodiment, also including backwash step, the backwash step is by the recycle-water
Product water in pond is introduced in the integration aeration pillar submerged membrane system.Backwash step is clear using the product water reclaimed in pond
Wash the micro-pore aeration hyperfiltration membrane assembly of integration aeration pillar submerged membrane system.
It is of the invention than original technology based on this, with advantages below：
1st, with reference to the characteristics of small towns, biologic packing material filter bed has been used.It has biomass big, and treatment load is high, micro- life
The abundant advantage of species.Be conducive to improving wastewater treatment efficiency, shorten process time.
2nd, do not need dedicated technician's management, safeguard simple, while beautify the environment, and capable of purifying air, absorption light is dirty
Dye and noise pollution, eliminate tropical island effect, improve Partial little climate.
3rd, operation maintenance expense is low, and system does not consume energy substantially；Landform is made full use of, is reduced investment outlay；Without Treatment of Sludge；Can be real
Existing sewage recycling.
4th, with reference to country practical situation, existing low lying areas and idle irrigation canals and ditches are made full use of, and use unpowered or fine motion
Power technique, farthest to realize economy, environmental and social benefits.
5th, the technology for having used biologic packing material filter bed to be combined with membrane separation device, the technology that improve sewage disposal contains
Amount, it is ensured that the water quality of water outlet, it is to avoid secondary pollution.Also have floor space small, run simply, that is, open and stop, small investment, fortune
Row expense is low, the absolute predominance such as technological process is short.
6th, membrane separation device has used integrated aeration pillar submerged membrane system, on the premise of effluent quality is ensured to the greatest extent
Possibly shorten and simplification of flowsheet.Additionally, integration aeration pillar submerged membrane system uses the outer formula ultrafiltration of doughnut
Film, external pressure type ultra-filtration membrane is immersed in pond, in the presence of gravity negative pressure, using hollow-fibre membrane infiltration through effect,
Make water through film so as to reach filtering retention.With extremely low, easy cleaning of consuming energy, it is difficult the utilization rate of pollution raising water, takes up an area
The small advantage of area.
Wanting for following standard is disclosure satisfy that through the small towns sewage treatment process of the application, and its treated sewage of device
Ask：
《Urban wastewater treatment firm pollutant emission standard》(GB18918-2002)
| Pollutant | COD | SS | TN | TP | |
| One-level A | ≤50 | ≤10 | ≤5(8) | ≤15 | ≤0.5 |
| One-level B | ≤60 | ≤20 | ≤8(15) | ≤20 | ≤1.0 |
《The integrated wastewater discharge standards of GB 8978》
《The agricultural irrigation water quality standards of GB 5084》
《The decontamination of human excreta sanitary standards of GB 7959》
《The national emission standard for odor pollutants of GB 16554》
《HJ574-2010 life in the countryside pollution control technology specifications》And the local rural area that some areas government formulates
Effluent-disposal standard.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of small towns sewage disposal device, it is characterised in that including biologic packing material filter bed and membrane separation device, the biology
Filler filter bed is used to improve Biodegradability of Wastewater, and the membrane separation device is used to carry out film process；The biologic packing material filtering
The outlet of bed and the entrance of the membrane separation device are connected.
2. small towns sewage disposal device according to claim 1, it is characterised in that the biologic packing material filter bed is from earth's surface
Include surface filtration layer and filter packing layer successively downwards；
Surface filtration layer is provided with water inlet pipe, sewage flows into the biologic packing material filter bed by the water inlet pipe；Institute
State and tube layer of catchmenting is provided with filter packing layer, the tube layer of catchmenting is placed with collector pipe, produce water and institute is flowed out by the collector pipe
State biologic packing material filter bed.
3. small towns sewage disposal device according to claim 1, it is characterised in that the filter packing layer from top to bottom according to
It is secondary including capillary filtration barrier layer, volcanic filling material layer, supporting layer；The capillary filtration barrier layer includes haydite and quartz sand
Grain, the volcanic filling material layer includes absorption affinity volcanic filling material high, and the supporting layer includes cobblestone；In the supporting layer
Portion is provided with aeration tube layer, and aeration tube is provided with the aeration tube layer.
4. small towns sewage disposal device according to claim 3, it is characterised in that the aeration tube is provided with many, phase
Adjacent two aeration tubes are spaced 50 centimetres.
5. small towns sewage disposal device according to claim 1, it is characterised in that the membrane separation device is to expose micropore
Integration aeration pillar submerged membrane system in gas hyperfiltration membrane assembly immersion V-type pond.
6. small towns sewage disposal device according to claim 1, it is characterised in that described also including sewage treatment grille
The outlet of sewage treatment grille is connected with the entrance of the biologic packing material filter bed.
7. a kind of small towns sewage treatment process, it is characterised in that the step of including improving Biodegradability of Wastewater first, is then carried out
The step of film process, finally collect and produce water；The Biodegradability of Wastewater that improves is by described in claim any one of 1-6
Biologic packing material filter bed is performed, and the film process is performed by the membrane separation device in claim any one of 1-6；Institute
State collection and produce water by reuse pool execution.
8. small towns sewage treatment process according to claim 7, it is characterised in that in the raising Biodegradability of Wastewater
Big impurity go-on-go is carried out before step；The big impurity go-on-go is by the sewage treatment grille described in claim 5.
9. small towns sewage treatment process according to claim 7, it is characterised in that also wrapped in the step of the film process
The step of including degradation of organic substances.
10. small towns sewage treatment process according to claim 7, it is characterised in that also walked including sterilisation step and backwash
Suddenly, the sterilisation step is carried out in the reuse pool；The backwash step is to introduce the product water in the recovery pond
In the integration aeration pillar submerged membrane system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251946.9A CN106882908A (en) | 2017-04-18 | 2017-04-18 | Small towns sewage treatment process and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251946.9A CN106882908A (en) | 2017-04-18 | 2017-04-18 | Small towns sewage treatment process and equipment |
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| Publication Number | Publication Date |
|---|---|
| CN106882908A true CN106882908A (en) | 2017-06-23 |
Family
ID=59182835
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710251946.9A Pending CN106882908A (en) | 2017-04-18 | 2017-04-18 | Small towns sewage treatment process and equipment |
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| CN (1) | CN106882908A (en) |
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Application publication date: 20170623 |