CN110078320A - Villages and small towns sewage unpowered biological ecological treatment apparatus and the sewage disposal system comprising it - Google Patents
Villages and small towns sewage unpowered biological ecological treatment apparatus and the sewage disposal system comprising it Download PDFInfo
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- CN110078320A CN110078320A CN201910504158.5A CN201910504158A CN110078320A CN 110078320 A CN110078320 A CN 110078320A CN 201910504158 A CN201910504158 A CN 201910504158A CN 110078320 A CN110078320 A CN 110078320A
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Abstract
The present invention provides a kind of villages and small towns sewage unpowered biological ecological treatment apparatus and comprising its sewage disposal system, it is related to technical field of sewage.The villages and small towns sewage unpowered biological ecological treatment apparatus includes the acidification conditioning tank being sequentially communicated, anaerobic pond, bionic plant oxidation pond, biofilm filtration pond and sedimentation basin.The villages and small towns sewage unpowered biological ecological treatment apparatus can be good at removing the multiple pollutant matter in sanitary sewage by the setting of continuous processing pond, have preferable wastewater treatment efficiency.Wherein, it is provided with bionic plant techonosphere in the bionic plant oxidation pond, bionic plant beam is provided in the bionic plant techonosphere, the bionic plant beam is used to as microorganism carry out oxidation processes to sewage, and then improve the effect of sewage treatment in carrier；Meanwhile additional electrical energy driving is not needed in sewage disposal process, and addition chemical reagent is not needed yet, it is environment amenable, it is very suitable for the sanitary sewage disposal of rural areas in our country.
Description
Technical field
The present invention relates to technical field of sewage, fill more particularly, to a kind of villages and small towns sewage unpowered biological Ecological Disposal
It sets and comprising its sewage disposal system.
Background technique
Currently, the discharge of China's domestic sewage of villages and small towns and processing are the problem of being primarily present: pumping equipment is not perfect, at sewage
Reason rate is low.The phenomenon that most of no special foul water system, " having upper water, nothing is lauched ", is very prominent, belongs to inorganization
Draining mainly utilizes nature ditch, and farm irrigation system is drained, and most of sanitary sewage is not just arranged directly by processing
It is put into nearby pond or river, disorderly disorderly phenomenon is serious by row for sewage, causes serious pollution to the water environment of surrounding.On the other hand
There are small-scale cultivation sideline production in most peasant households, in addition to part is handled using methane-generating pit, it is most of without by processing and
Direct emission.Therefore, domestic sewage of villages and small towns has become the outstanding problem for influencing Rural Human Settlements.Existing sewage treatment master
Stream scheme is required to higher construction cost and operating cost, is difficult to be transplanted to China and lives more dispersed rural area.
Therefore, for China rural villages scattered settlement the characteristics of, it is simple to research and develop a kind of equipment composition, meanwhile,
Additional electrical energy driving is not needed in sewage disposal process, does not need addition chemical reagent, environment amenable villages and small towns sewage yet
Unpowered biological ecological treatment apparatus and system become ten to meet the sanitary sewage disposal demand of China's the vast rural areas
Divide necessary and urgent.
In view of this, the present invention is specifically proposed.
Summary of the invention
The first object of the present invention is to provide a kind of villages and small towns sewage unpowered biological ecological treatment apparatus, the villages and small towns dirt
Water unpowered biological ecological treatment apparatus includes the acidification conditioning tank, anaerobic pond, bionic plant oxidation pond, biomembrane being sequentially communicated
Filtering ponds and sedimentation basin.The villages and small towns sewage unpowered biological ecological treatment apparatus has preferable by the setting of continuous processing pond
Wastewater treatment efficiency.
The second object of the present invention is to provide a kind of sewage disposal system, and the sewage disposal system is by by above-mentioned village
Town sewage unpowered biological ecological treatment apparatus, vertical subsurface flow wetland, ecological reservoir and ecological canal are used in combination,
It can be good at removing the various pollutants matter in sanitary sewage, while vertical subsurface flow wetland, ecological reservoir and ecology
Irrigation canals and ditches are Ecological Disposal mode, have stronger economy, are very suitable for the processing of China rural area decentralized type sewage.
A kind of villages and small towns sewage unpowered biological ecological treatment apparatus provided by the invention, the villages and small towns sewage unpowered biological
Ecological treatment apparatus includes: the acidification conditioning tank being sequentially communicated, anaerobic pond, bionic plant oxidation pond, biofilm filtration pond and sinks
Shallow lake pond；
It is provided with bionic plant techonosphere in the bionic plant oxidation pond, is provided in the bionic plant techonosphere imitative
Plant beam, the bionic plant beam are used to be used as microbe carrier, carry out oxidation processes to sewage.
Further, the bionic plant techonosphere includes fixed frame, and the bionic plant beam binding is on fixed frame；
Preferably, the fixed frame is mainly used as by reinforcing bar through item, and nylon rope is constituted as latitude item.
Further, the bionic plant beam be 100~110mm of single blade length, 5~8mm of width, thickness 0.2~
The Propylene polymerization strands of material band of 0.5mm；
Preferably, the bionic plant beam is the Propylene polymerization material of single blade length 100mm, width 5mm, thickness 0.2mm
Expect band.
Further, the bionic plant oxidation pond is provided with drop disk, and the drop disk is set to bionic plant construction
On layer.
Further, the biofilm filtration pond is connected to by baffling water inlet pipe with the water outlet of bionic plant oxidation pond,
Water flow is imported the bottom of pond in biofilm filtration pond by the baffling water inlet pipe.
Further, the biofilm filtration pond is disposed with filter plate, supporting layer and biological membrane filtration by bottom of pond upwards
The bed of material.
Further, it is provided at the top of the bionic plant oxidation pond and pulls out air hose.
A kind of sewage disposal system provided by the invention, the sewage disposal system include: that above-mentioned villages and small towns sewage is unpowered
Biological and ecological processing unit, vertical subsurface flow wetland, ecological reservoir and ecological canal.
Further, the villages and small towns sewage unpowered biological ecological treatment apparatus, vertical subsurface flow wetland, ecological water storage
Pond passes sequentially through pipeline with ecological canal and is connected to.
Further, the vertical subsurface flow wetland is mainly made of wetland water inlet pipe, distributing channel and wetland reaction bed；
The wetland reaction bed includes collection water layer, packing layer, water distribution layer and the native soil layer up set gradually from bottom.
Compared with prior art, the invention has the benefit that
Sewage unpowered biological ecological treatment apparatus in villages and small towns provided by the invention, the villages and small towns sewage unpowered biological ecology
Processing unit includes the acidification conditioning tank being sequentially communicated, anaerobic pond, bionic plant oxidation pond, biofilm filtration pond and sedimentation basin.
The villages and small towns sewage unpowered biological ecological treatment apparatus can be good at removing in sanitary sewage by the setting of continuous processing pond
Multiple pollutant matter, have preferable wastewater treatment efficiency.Wherein, bionic plant is provided in the bionic plant oxidation pond
Techonosphere, bionic plant beam is provided in the bionic plant techonosphere, and the bionic plant beam is used to carry as microorganism
Body carries out oxidation processes to sewage, and then improves the effect of sewage treatment；Meanwhile it not being needed in sewage disposal process additional
Electrical energy drive does not need addition chemical reagent yet, environment amenable, is very suitable at the sanitary sewage of rural areas in our country
Reason.
Sewage disposal system provided by the invention, the sewage disposal system is by by above-mentioned villages and small towns sewage unpowered biological
Ecological treatment apparatus, vertical subsurface flow wetland, ecological reservoir and ecological canal are used in combination, and can be good at removal life
Various pollutants matter in sewage living, while vertical subsurface flow wetland, ecological reservoir and ecological canal are Ecological Disposal
Mode has stronger economy, is very suitable for the processing of China rural area decentralized type sewage.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure signal for the villages and small towns sewage unpowered biological ecological treatment apparatus that the embodiment of the present invention 1 provides
Figure；
Fig. 2 be in the villages and small towns sewage unpowered biological ecological treatment apparatus that provides of the embodiment of the present invention 1 acidification conditioning tank and
The structural schematic diagram of anaerobic pond；
Bionic plant oxidation in the villages and small towns sewage unpowered biological ecological treatment apparatus that Fig. 3 provides for the embodiment of the present invention 1
The structural schematic diagram in pond and biofilm filtration pond；
The structure of sedimentation basin in the villages and small towns sewage unpowered biological ecological treatment apparatus that Fig. 4 provides for the embodiment of the present invention 1
Schematic diagram；
Fig. 5 is the sewage disposal system overall structure diagram that the embodiment of the present invention 2 provides；
The structural schematic diagram of vertical subsurface flow wetland in the sewage disposal system that Fig. 6 provides for the embodiment of the present invention 2；
The structural schematic diagram of ecological reservoir in the sewage disposal system that Fig. 7 provides for the embodiment of the present invention 2；
The structural schematic diagram of ecological canal in the sewage disposal system that Fig. 8 provides for the embodiment of the present invention 2.
Icon: 11- is acidified conditioning tank；12- anaerobic pond；13- bionic plant oxidation pond；14- biofilm filtration pond；15- is heavy
Shallow lake pond；111- sewage water inlet pipe；131- bionic plant techonosphere；141- baffling water inlet pipe；151- outlet pipe；The portable lattice of 112-
Grid；113- soft cellulose filler frame；124- filter packing frame；121- vertical partition plate；122- baffle plate；123- deflector；132-
Cloth supply mains；1321- water distribution branch pipe；133- drop disk；141- baffling water inlet pipe；134- pulls out air hose；142- filter plate；143- is held
Hold in the palm layer；144- biomembrane filter material layer；The mud chamber 152- water inlet pipe；153- water spraying pipe；154- cone iron sheet；155- aproll conduit saddle
Frame；156- sludge pipe；The villages and small towns 1- sewage unpowered biological ecological treatment apparatus；2- vertical subsurface flow wetland；3- ecology water storage
Pond；4- ecological canal；21- wetland water inlet pipe；22- distributing channel；23- wetland reaction bed；231- collection water layer；232- packing layer；
233- water distribution layer；234- native soil layer；31- bottom of pond biomembrane techonosphere；41- biomembrane builds layer.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, according to an aspect of the present invention, a kind of villages and small towns sewage unpowered biological ecological treatment apparatus 1, institute
Stating villages and small towns sewage unpowered biological ecological treatment apparatus 1 includes: the acidification conditioning tank 11, anaerobic pond 12, bionical plant being sequentially communicated
Object oxidation pond 13, biofilm filtration pond 14 and sedimentation basin 15；
Bionic plant techonosphere 131 is provided in the bionic plant oxidation pond 13, in the bionic plant techonosphere 131
It is provided with bionic plant beam, the bionic plant beam is used to be used as microbe carrier, carries out oxidation processes to sewage.
The ecology of villages and small towns sewage unpowered biological described in villages and small towns sewage unpowered biological ecological treatment apparatus 1 provided by the invention
Processing unit 1 includes acidification conditioning tank 11, anaerobic pond 12, the bionic plant oxidation pond 13, biofilm filtration pond 14 being sequentially communicated
With sedimentation basin 15.The villages and small towns sewage unpowered biological ecological treatment apparatus 1 can be good at by the setting of continuous processing pond
Except the multiple pollutant matter in sanitary sewage, there is preferable wastewater treatment efficiency.Wherein, in the bionic plant oxidation pond 13
It is provided with bionic plant techonosphere 131, bionic plant beam, the bionic plant are provided in the bionic plant techonosphere 131
Beam is used to be used as microbe carrier, carries out oxidation processes to sewage, and then improve the effect of sewage treatment；Meanwhile at sewage
Additional electrical energy driving is not needed during reason, does not need addition chemical reagent yet, it is environment amenable, it is very suitable for China rural area
The sanitary sewage disposal in area.
As shown in Figure 1, 2, in the preferred embodiment of the present invention, the bionic plant techonosphere 131 includes solid
Determine frame, the bionic plant beam binding is on fixed frame.Preferably, the fixed frame is mainly used as by reinforcing bar through item, nylon rope
It is constituted as latitude item.
It is furthermore preferred that the fixed frame is through item by upper and lower two layers of reinforcing bar, nylon rope is that latitude item is constituted, on the latitude item
Bionic plant beam, the bionic plant Shu Zuowei carrier attached microbial are bound, and then improves the effect of sewage treatment.
In the preferred embodiment of the present invention, the bionic plant beam is 100~110mm of single blade length, width
Spend the Propylene polymerization strands of material band of 5~8mm, 0.2~0.5mm of thickness；
Preferably, the bionic plant beam is the Propylene polymerization material of single blade length 100mm, width 5mm, thickness 0.2mm
Expect band.
Preferably, there are 12 bands, upper end binding on each nylon rope latitude item, lower part is freely unfolded, and a latitude item is suitable
In a plant.
As shown in Fig. 2, in the preferred embodiment of the present invention, the sewage water inlet pipe 111 is set to acidification and adjusts
Save the top in pond 11.Preferably, the sewage water inlet pipe 111 is connected with portable grid 112, the portable grid
112 for except the coarse suspended matter and impurity in decontaminated water.
In the preferred embodiment of the present invention, it is acidified in conditioning tank 11 and is provided with soft cellulose filler frame 113.It is logical
It crosses the soft cellulose filler being arranged in soft cellulose filler frame 113 and acidizing pretreatment is carried out to hard-degraded substances certain in sewage,
Using hydrolysis, macromolecular structure difficult to degrade in sewage is hydrolyzed, is acidified by the feature that acid-producing bacteria activity is strong, adaptable is
Soluble small molecule is laid a solid foundation with improving the biodegradability energy of sewage for next stage processing.
Preferably, the top surface of the soft cellulose filler is below the design water level at 500mm, and bottom surface is far from room bottom 1000mm
Place, filler setting height is 1000mm.
Preferably, the fibre bundle length of the soft cellulose filler in the soft cellulose filler frame 113 is 120mm, fiber
Interfascicular is away from 110mm, 8100/beam of fiber filament amount, 578 beams of fibre bundle density/m3, 1235 ㎡ of theoretical specific surface area/m3。
In the preferred embodiment of the present invention, the 11 rear end upper wall of acidification conditioning tank and design water level are neat
Flat place is provided with acidification 11 apopore of conditioning tank, and the apopore is connected with anaerobic pond 12.
Preferably, the bottom of pond of the acidification conditioning tank 11 is slope, the gradient i=0.01 from starting point to end.
Referring to fig. 2, in the preferred embodiment of the present invention, filter packing frame is provided in the anaerobic pond 12
124, the filter packing frame 124 is portable filtrate frame, the replacement filtrate that the portable filtrate frame can be more convenient.
Preferably, the filtrate in the filter packing frame 124 is cinder, and the partial size of the cinder is 50~80mm.Due to
The rough surface of cinder is porous, there is very strong adsorption capacity, and microorganism can be formed on cinder thus is similar to spongiform sky
Between the biomembrane of structure type increase biomass, maintain higher sludge concentration, be conducive to the degradation of organic matter.
Preferably, the top surface of the filter packing frame 124 design the water surface 550mm place, bottom surface far from room bottom 950mm at, filter
Material setting height is 1000mm.
With continued reference to Fig. 2, in the preferred embodiment of the present invention, it is provided at 12 front 1/3 of anaerobic pond
Vertical partition plate 121,121 lower part of vertical partition plate and baffle plate 122 connect, and are provided with deflector 123, deflector 123 at rear portion 2/3
Anaerobic pond 12 is separated into four reaction chambers.
It is furthermore preferred that the angle that the vertical partition plate 121 and deflector 123 connect is 40 °.
In the preferred embodiment of the present invention, below 12 rear end upper wall of the anaerobic pond design water surface
Apopore is provided at 100mm to be connected to bionic plant oxidation pond 13.
As shown in figure 3, in the preferred embodiment of the present invention, the bionic plant oxidation pond 13 is provided with drop
Disk 133, the drop disk 133 are set on bionic plant techonosphere 131.
In the preferred embodiment of the present invention, the top of the bionic plant oxidation pond 13 is provided with cloth supply mains
132 and water distribution branch pipe 1321.
Preferably, 1321 bottom of water distribution branch pipe, which interlocks, opens water distributing pore, aperture 20mm for 45 ° obliquely, and spacing is
100mm。
Referring to Fig. 3, in the preferred embodiment of the present invention, the cloth supply mains 132 and water distribution branch pipe 1321 with
Drop disk 133 is set at lower 200mm, bionic plant techonosphere 131 is set at 300mm below drop disk 133.
Preferably, the setting of bionic plant layer top surface is at twin-stage overflow drop 133 or less 300mm of disk, bottom surface setting
At from bottom of pond 400mm, bionic plant layer height is 1000mm.
Preferably, the cloth supply mains 132 and water distribution branch pipe 1321 are the connection of non-font.
In the preferred embodiment of the present invention, the 13 rear end pool wall design water level of bionic plant oxidation pond
The place 150mm or less is provided with apopore, and the apopore is connected to the baffling water inlet pipe 141 in biofilm filtration pond 14.
In the preferred embodiment of the present invention, 13 top of bionic plant oxidation pond, which is provided with, pulls out air hose 134.
As shown in figure 3, in the preferred embodiment of the present invention, the biofilm filtration pond 14 is intake by baffling
Pipe 141 is connected to the water outlet of bionic plant oxidation pond 13, and water flow is imported biofilm filtration pond 14 by the baffling water inlet pipe 141
Bottom of pond.
In the preferred embodiment of the present invention, biofilm filtration pond 14 include from bottom of pond upwards successively
It is provided with filter plate 142, supporting layer 143 and biomembrane filter material layer 144.
Preferably, the filter plate 142 is steel plate, with a thickness of 8mm, and offers several filter openings on it, filter opening is straight
Diameter is 20mm, and filter opening center is equipped with abs short-handled filter head in each filter opening away from for 80mm.
Preferably, the supporting layer 143 selects the quartz sand for being granulated 2~4mm, the supporting layer 143 with a thickness of
200mm。
Preferably, the biomembrane filter material layer 144 is made of gravel and shale, and the partial size of the gravel and shale is 25~
32mm, the biomembrane filter material layer 144 with a thickness of 1800mm.
In the preferred embodiment of the present invention, 14 top of biofilm filtration pond, which is provided with, pulls out air hose 134.It is excellent
Choosing, the diagonal both ends pulled out air hose 134 and be set to 14 top of biofilm filtration pond.
In the preferred embodiment of the present invention, the 14 rear end pool wall design water level 200mm of biofilm filtration pond
Arranged below to have apopore, the apopore is connected to mud chamber's water inlet pipe 152.
As shown in figure 4, in the preferred embodiment of the present invention, 15 top of sedimentation basin is provided with and biomembrane
The mud chamber's water inlet pipe 152 and water spraying pipe 153 that filtering ponds 14 are connected to connect, and 153 bottom of water spraying pipe is equipped with conical iron sheet
154, aproll pipe carrier 155 is arranged in 153 vertical direction of water spraying pipe middle part.
Preferably, the mud chamber rear end pool wall design water level 250mm or less is provided with outlet pipe 151.
Preferably, the mud chamber bottom is provided with mud chamber bottom sludge pipe 156.The mud chamber bottom is designed to bore
Bucket type.
The specific processing step of villages and small towns sewage unpowered biological ecological treatment apparatus 1 of the present invention and the function of each processing pond
Are as follows:
(a): acidification conditioning tank 11 is handled
Sanitary sewage to be processed is excluded coarse in water by the portable grid 112 of the connection setting of sewage water inlet pipe 111
After suspended matter and impurity, just heavy room is adjusted into acidification, soft cellulose filler is provided in room, to objects difficult to degrade certain in sewage
Matter carries out acidizing pretreatment, using hydrolysis, acid-producing bacteria activity is strong, adaptable feature by macromolecular difficult to degrade in sewage
Structure hydrolyzed, to be acidified as soluble small molecule to improve the biodegradability energy of sewage be next stage biological treatment to improve
It lays a solid foundation to the removal rate of pollutant；
The acidification conditioning tank 11 has the function after regulating pondage, microbial acidification reaction, primary precipitation, sludge reduction
Energy.
(b): the processing of anaerobic pond 12
The step (a) acidification conditioning tank 11 treated sewage enters anaerobic pond by acidification 11 apopore of conditioning tank
12.The anaerobic pond 12 perpendicular to the respectively arranged two pieces of baffle plates 122 of water (flow) direction and two pieces of vertical partition plates 121 by anaerobism
Pond 12 is separated into concatenated four reaction tanks, i.e., under to flow chamber, upward flow room, lower to flow chamber, upward flow room.In two upward flows
Filter packing frame 124 is set in room.Filling filtrate is that cinder has very strong since the rough surface of cinder is porous in filtrate frame
Adsorption capacity, microorganism can be formed on cinder thus is similar to the biomembrane of spongiform space structure form and increases biology
Amount, maintains higher sludge concentration, is conducive to the degradation of organic matter.
The anaerobic pond 12 has removal organic matter (COD, BOD), organic nitrogen is essentially converted to dissolubility inorganic nitrogen,
The function of anaerobic phosphorus release.
(c): the processing of bionic plant oxidation pond 13
The cloth supply mains 132 and cloth that the step (b) treated sewage is arranged by 13 top of bionic plant oxidation pond
Water branch pipe 1321 enters bionic plant oxidation pond 13, and directly the lower drop disk 133 that enters carries out drop oxygenation for water outlet fair current, furthermore with
Respectively it is arranged one in ceiling four corners and pulls out the progress nature group oxygen of air hose 134；It by drop oxygenation and dials oxygen naturally and combines oxygenation side
Formula, to meet sewage oxygen amount required for aerobic microbiological in oxidizing chamber.Bionical plant is set in bionic plant oxidation pond 13
Object techonosphere 131 forms liquid, solid, gas three-phase coexistence system under the effect of the oxygen, in oxidizing chamber, has using bionic plant as carrier
Conducive to the transfer of oxygen, dissolved oxygen DO is abundant, and active microorganism proliferation is fast.Biofilm microorganisms type on bionic plant is abundant,
Other than bacterium and the protozoan and metazoa of a variety of kinds, there are also oxidability strong football shirt bacterium and der Pilz, are formed
Intensive biological net plays the role of similar " filtering " to sewage, improves clean-up effect.
The bionic plant oxidation pond 13 has the function of removing organic matter (COD, BOD), ammonia nitrogen NH3-N, phosphorus.
(d): biofilm filtration pond 14 is handled
Water flow is imported biofilm filtration by baffling water inlet pipe 141 by the bionic plant oxidation pond 13 treated sewage
The bottom of pond in pond 14.Water flow flows from bottom to top carries out anti-granularity by filter plate 142, supporting layer 143 and biomembrane filter material layer 144
Biofilm filtration, it is porous, surface area is big since 144 filtrate of biomembrane filter material layer is made of gravel and shale, in conjunction with biomembrane
Micro- oxygen DO that filter chamber top wind turning pipe provides makes cutting, collision of the air bubble repeatedly by filler and biomembrane, to increase
The contact area of gas-liquid, improves oxygenation capacity, accelerates the update of biomembrane, it is made often to keep higher activity, and
And overcome clogging.
The biofilm filtration pond 14 has the function of oil removal (SS), organic matter (COD, BOD), total nitrogen, total phosphorus.
(e): the processing of sedimentation basin 15
Treated in the biofilm filtration pond 14 sewage is by mud chamber's water inlet pipe 152 through water spraying pipe 153, conical iron sheet
154 carry out interflow distribution after precipitate, suspended matter or the biomembrane wadding body to fall off are separated from sewage using gravity, make dirt
Water is purified.Water body after the completion of processing is connect with wetland water inlet pipe 21.
The sedimentation basin 15, which has, to be gone oil removal (SS), while can remove suspension organic matter (BOD).
Embodiment 2
As shown in figure 5, according to an aspect of the present invention, a kind of sewage disposal system, the sewage disposal system includes:
Above-mentioned villages and small towns sewage unpowered biological ecological treatment apparatus 1, vertical subsurface flow wetland 2, ecological reservoir 3 and ecological canal 4.
Sewage disposal system provided by the invention, the sewage disposal system is by by above-mentioned villages and small towns sewage unpowered biological
Ecological treatment apparatus 1, vertical subsurface flow wetland 2, ecological reservoir 3 and ecological canal 4 are used in combination, and can be good at
Except the various pollutants matter in sanitary sewage, while vertical subsurface flow wetland 2, ecological reservoir 3 and ecological canal 4 are made a living
State processing mode has stronger economy, is very suitable for the processing of China rural area decentralized type sewage.
In the preferred embodiment of the present invention, the villages and small towns sewage unpowered biological ecological treatment apparatus 1, vertical
Drowned flow artificial wet land 2, ecological reservoir 3 pass sequentially through pipeline with ecological canal 4 and are connected to.
As shown in fig. 6, in the preferred embodiment of the present invention, the vertical subsurface flow wetland 2 is mainly by wet
Ground water inlet pipe 21, distributing channel 22 and wetland reaction bed 23 form；
The wetland reaction bed 23 includes the collection water layer 231, packing layer 232, water distribution layer 233 up set gradually from bottom
With native soil layer 234.
In above-mentioned preferred embodiment, the collection water layer 231 is made of the gravel of 8~12mm of partial size, the collection water layer
Underdrain general pipeline and underdrain branch pipe, underdrain general pipeline and ecological water storage in the collection water layer 231 are equipped in 231
Pond 3 is connected to.
In above-mentioned preferred embodiment, described filler layer 232 is mixed by cobble, careless carbon, Iron concentrate by the ratio of 1:1:1
It closes, it is furthermore preferred that the partial size of cobble in described filler layer 232, careless carbon, Iron concentrate is 50~80mm, described filler layer 232
With a thickness of 1600mm.
In above-mentioned preferred embodiment, the water distribution layer 233 is made of the cobble that partial size is 15~32mm, the water distribution
Layer 233 with a thickness of 300mm.
In above-mentioned preferred embodiment, 233 general pipeline of water distribution layer and water distribution layer 233 are equipped in the water distribution layer 233
Pipe.
Preferably, 233 general pipeline of water distribution layer and 233 branch pipe of water distribution layer arrange that branch bottom of the tube is staggeredly oblique in non-shape
Lower 45 ° are opened water distributing pore, aperture 20mm, spacing 120mm.
In above-mentioned preferred embodiment, the native soil layer 234 is with a thickness of 500mm；Plant the wetland plants such as Chinese celery.
As shown in fig. 7, in the preferred embodiment of the present invention, 3 bottom of the ecology reservoir is provided with bottom of pond
Biomembrane techonosphere 31.
In above-mentioned preferred embodiment, the material pool bottom biomembrane techonosphere 31 is coarse sand, and partial size is 2~4mm, thick
Degree is 300mm, by submerged plant band, the floating plant band, common group of emergent vegetation zone being planted on phytal zone and pond week beach
At ecological 3 aquatic vegetation of reservoir.Ecological 3 front end of reservoir is provided with ecological 3 water inlet pipe of reservoir.Ecological 3 rear end of reservoir
It is connect with 4 water inlet pipe of ecological canal and enters ecological canal 4.
As shown in figure 8, in the preferred embodiment of the present invention, 4 bottom of ecological canal is provided with ecological ditch
4 bottom biomembrane of canal builds layer 41, and material is diatomite, and partial size is 0.8~1.35mm, with a thickness of 150mm.Bottom plantation ecology
4 bottom submerged plant of irrigation canals and ditches.4 front end of ecological canal is provided with 4 water inlet pipe of ecological canal.
Effect example 1
In order to prove that the application sewage disposal system has preferable treatment effect to sanitary sewage, embodiment 2 is now used
The sewage disposal system of offer is to COD 712mg/L, BOD 308mg/L, ammonia nitrogen 38mg/L, TP 5.8mg/L, SS 586mg/L
Sanitary sewage handled, result is as shown in the table:
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of villages and small towns sewage unpowered biological ecological treatment apparatus, which is characterized in that the villages and small towns sewage unpowered biological is raw
State processing unit includes: the acidification conditioning tank being sequentially communicated, anaerobic pond, bionic plant oxidation pond, biofilm filtration pond and precipitating
Pond；
It is provided with bionic plant techonosphere in the bionic plant oxidation pond, is provided with bionical plant in the bionic plant techonosphere
Object beam, the bionic plant beam are used to be used as microbe carrier, carry out oxidation processes to sewage.
2. sewage unpowered biological ecological treatment apparatus in villages and small towns according to claim 1, which is characterized in that the bionical plant
Object techonosphere includes fixed frame, and the bionic plant beam binding is on fixed frame；
Preferably, the fixed frame is mainly used as by reinforcing bar through item, and nylon rope is constituted as latitude item.
3. sewage unpowered biological ecological treatment apparatus in villages and small towns according to claim 1 or 2, which is characterized in that described imitative
Plant beam is the Propylene polymerization strands of material band of 100~110mm of single blade length, 5~8mm of width, 0.2~0.5mm of thickness；
Preferably, the bionic plant beam is the Propylene polymerization strands of material of single blade length 100mm, width 5mm, thickness 0.2mm
Band.
4. sewage unpowered biological ecological treatment apparatus in villages and small towns according to claim 1, which is characterized in that the bionical plant
Object oxidation pond is provided with drop disk, and the drop disk is set on bionic plant techonosphere.
5. sewage unpowered biological ecological treatment apparatus in villages and small towns according to claim 1, which is characterized in that the biomembrane
Filtering ponds are connected to by baffling water inlet pipe with the water outlet of bionic plant oxidation pond, and water flow is imported biology by the baffling water inlet pipe
The bottom of pond of film filtering ponds.
6. sewage unpowered biological ecological treatment apparatus in villages and small towns according to claim 1, which is characterized in that the biomembrane
Filtering ponds include being disposed with filter plate, supporting layer and biomembrane filter material layer upwards from bottom of pond.
7. sewage unpowered biological ecological treatment apparatus in villages and small towns according to claim 1, which is characterized in that the bionical plant
It is provided at the top of object oxidation pond and pulls out air hose.
8. a kind of sewage disposal system, which is characterized in that the sewage disposal system includes: described in any one of claim 1~7
Villages and small towns sewage unpowered biological ecological treatment apparatus, vertical subsurface flow wetland, ecological reservoir and ecological canal.
9. sewage disposal system according to claim 8, which is characterized in that the claim 1~7 is described in any item
Villages and small towns sewage unpowered biological ecological treatment apparatus, vertical subsurface flow wetland, ecological reservoir and ecological canal pass sequentially through
Pipeline connection.
10. sewage disposal system according to claim 8, which is characterized in that the vertical subsurface flow wetland mainly by
Wetland water inlet pipe, distributing channel and wetland reaction bed composition；
The wetland reaction bed includes collection water layer, packing layer, water distribution layer and the native soil layer up set gradually from bottom.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111727926A (en) * | 2020-08-25 | 2020-10-02 | 湖南艾布鲁环保科技股份有限公司 | System and method for ecological purification and cyclic utilization of aquaculture polluted organisms |
| CN112573762A (en) * | 2020-11-13 | 2021-03-30 | 普民环保科技有限公司 | LAT high-efficiency unpowered pretreatment device |
| CN112919733A (en) * | 2021-04-30 | 2021-06-08 | 王海涛 | Ecological sewage treatment device of constructed wetland |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050082222A1 (en) * | 2003-10-20 | 2005-04-21 | Dharma Living Systems, Lc | Tidal vertical flow wastewater treatment system and method |
| CN201065368Y (en) * | 2007-03-23 | 2008-05-28 | 王丽 | Radial flow type bionic ecological wet land |
| CN203781919U (en) * | 2014-03-07 | 2014-08-20 | 浙江建设职业技术学院 | Ecological floating bed |
| CN205188070U (en) * | 2015-11-12 | 2016-04-27 | 北京科技大学 | Rural domestic sewage land treatment device of nature oxygenation filtration formula |
| CN105693048A (en) * | 2016-04-29 | 2016-06-22 | 合肥市科柏盛环保科技有限公司 | Unpowered aeration and purification composite medium wetland system for rural domestic sewage |
| CN108178438A (en) * | 2017-12-29 | 2018-06-19 | 冯湛钧 | A kind of rural domestic sewage treatment system and purification method |
| CN210736455U (en) * | 2019-06-11 | 2020-06-12 | 湖南艾布鲁环保科技股份有限公司 | Unpowered biological ecological treatment device for sewage and sewage treatment system comprising unpowered biological ecological treatment device |
-
2019
- 2019-06-11 CN CN201910504158.5A patent/CN110078320A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050082222A1 (en) * | 2003-10-20 | 2005-04-21 | Dharma Living Systems, Lc | Tidal vertical flow wastewater treatment system and method |
| CN201065368Y (en) * | 2007-03-23 | 2008-05-28 | 王丽 | Radial flow type bionic ecological wet land |
| CN203781919U (en) * | 2014-03-07 | 2014-08-20 | 浙江建设职业技术学院 | Ecological floating bed |
| CN205188070U (en) * | 2015-11-12 | 2016-04-27 | 北京科技大学 | Rural domestic sewage land treatment device of nature oxygenation filtration formula |
| CN105693048A (en) * | 2016-04-29 | 2016-06-22 | 合肥市科柏盛环保科技有限公司 | Unpowered aeration and purification composite medium wetland system for rural domestic sewage |
| CN108178438A (en) * | 2017-12-29 | 2018-06-19 | 冯湛钧 | A kind of rural domestic sewage treatment system and purification method |
| CN210736455U (en) * | 2019-06-11 | 2020-06-12 | 湖南艾布鲁环保科技股份有限公司 | Unpowered biological ecological treatment device for sewage and sewage treatment system comprising unpowered biological ecological treatment device |
Non-Patent Citations (1)
| Title |
|---|
| 国家环境保护总局科技标准司: "《印染废水污染防治技术指南》", 中国环境科学出版社, pages: 461 - 462 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111727926A (en) * | 2020-08-25 | 2020-10-02 | 湖南艾布鲁环保科技股份有限公司 | System and method for ecological purification and cyclic utilization of aquaculture polluted organisms |
| CN111727926B (en) * | 2020-08-25 | 2020-12-15 | 湖南艾布鲁环保科技股份有限公司 | System and method for ecological purification and cyclic utilization of aquaculture polluted organisms |
| CN112573762A (en) * | 2020-11-13 | 2021-03-30 | 普民环保科技有限公司 | LAT high-efficiency unpowered pretreatment device |
| CN112919733A (en) * | 2021-04-30 | 2021-06-08 | 王海涛 | Ecological sewage treatment device of constructed wetland |
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