CN103864217B - A kind of multifunctional membrane aeration artificial marsh sewage treatment system - Google Patents
A kind of multifunctional membrane aeration artificial marsh sewage treatment system Download PDFInfo
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- CN103864217B CN103864217B CN201410114856.1A CN201410114856A CN103864217B CN 103864217 B CN103864217 B CN 103864217B CN 201410114856 A CN201410114856 A CN 201410114856A CN 103864217 B CN103864217 B CN 103864217B
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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
Abstract
The invention discloses a kind of multifunctional membrane aeration artificial marsh sewage treatment system, comprise artificial swamp pond, bottom artificial swamp pond, have Anti-seeping technology layer, above Anti-seeping technology layer, lay cobble bed course, ceramic grain filter layer and plantation soil layer successively; Be respectively arranged with water distributing area and catchment area in both sides, artificial swamp pond, water distributing area and being connected by tracery wall of boring a hole between catchment area with artificial swamp pond, can carry out for the influent quality of sewage the multifunctional artificial wetland sewage disposal that converts.Its aeration mode is flexible, operation flexible form, treatment effect are good and save energy.Possess the function of Traditional Man wetland, there is again the function of aeration type artificial swamp, multi-functional operation can be carried out with membrane biological reaction technique, bio-contact oxidation form simultaneously.
Description
Technical field
The invention belongs to field of environment protection, be specifically related to a kind of multifunctional membrane aeration artificial marsh sewage treatment system.
Background technology
Artificial swamp is the ground similar with swampland by artificial construction and controlling run, sewage there is the dosing of control on the artificial wetland built, sewage is in the process flowed in a certain direction, mainly utilize soil, artificial dielectric, plant, the physics of microorganism, chemistry, biological triple synergy, to a kind of technology that sewage processes.Its mechanism of action comprises absorption, delay, filtration, redox, precipitation, microbial decomposition, conversion, plant are covered, the effect of residue accumulated, water transpiration and nutrition absorption and all kinds of animal.
Artificial wet land treating system is mainly used in advanced treatment of wastewater, has the features such as buffer capacity is large, treatment effect good, technique is simple, reduced investment, working cost are low, in being applicable to very much, the sewage disposal of samll cities and towns.But also there is weak point: as floor space is excessive, the shortcomings such as oxygen supply mass transfer is not good.If especially to subsurface constructed wetland without underground aerating apparatus, then its nitration reaction is more difficult carries out.
Known aeration type artificial swamp (Zhang Jian etc., quasi-undercurrent aeration constructed wetlands [P] .CN101708898A are seen; Side's flame magnitude.Aeration is on the impact [J] of artificial swamp nitrogen removal effect. Wetland Science, the 9th volume the 3rd phase, 270-276,2011; Wang Lei etc. hypoxia exposure oxidation/micro-aeration artificial wetland process purifying contaminated river [J]. Chinese water supply and drainage, 24th volume the 5th phase, 22-26,2008) common aerating apparatus mainly boring aeration pipe aeration, there is the weak points such as aeration is uneven, bubble shape large, easy blocking, and function singleness.And in artificial swamp, apply film aeration mode rarely have report.Make it form membrane biological reactor process by change running status artificial wetland process simultaneously and then have no report.
Summary of the invention
For above-mentioned prior art exist the shortcoming that mass transfer is uneven, coefficient of oxygen utilization is low, the object of the invention is to, provide a kind of aeration mode flexibly, run that flexible form, treatment effect are good, the multifunctional membrane aeration artificial marsh sewage treatment system of save energy.This system possesses the function of Traditional Man wetland, has again the function of aeration type artificial swamp, can carry out multi-functional operation with membrane biological reaction technique, Biological Contact Oxidation Process form simultaneously.Conversion process can be carried out for the influent quality of sewage.
In order to realize above-mentioned task, the present invention adopts following technical solution:
A kind of multifunctional membrane aeration artificial marsh sewage treatment system, comprises artificial swamp pond, it is characterized in that, have Anti-seeping technology layer bottom artificial swamp pond, lays cobble bed course, ceramic grain filter layer and plantation soil layer above Anti-seeping technology layer successively; Water distributing area and catchment area is respectively arranged with, water distributing area and being connected by tracery wall of boring a hole between catchment area with artificial swamp pond in both sides, artificial swamp pond, wherein:
The water inlet pipe for connecting intake pump is provided with in described water distributing area; Water inlet pipe is provided with the first-class gauge for controlling flow; The first blow-off valve is provided with bottom water distributing area;
Described catchment area is provided with the first rising pipe and the second rising pipe, and wherein, the first rising pipe is free discharge pipe, the second rising pipe has the second gauge for control flow check amount; The second blow-off valve is had bottom catchment area;
Above cobble bed course, have aeration pipe network, this aeration pipe network includes two aeration supervisors and several aeration branch pipe, and an aeration supervisor is positioned at outside water distributing area, and another root aeration supervisor is positioned at outside catchment area; Aeration supervisor is along the cobble bed course edge placement in artificial swamp pond, and it is inner that aeration branch pipe is laid in cobble bed course side by side, each aeration branch pipe connects aeration main tube end and be provided with variable valve; Two aeration supervisors in aeration pipe network and several aeration branch pipe are the composite pipe network of boring aeration pipe and aeration, and aeration film is fixing on two aeration supervisors and several aeration branch pipe;
Be positioned at the aeration outside water distributing area supervisor on be provided with main control valve and outer fan, wherein main control valve is in order to switch aeration mode; Be positioned at the vacuum primingpump supervisor of the aeration outside catchment area being provided with band PLC control system, wherein, vacuum primingpump and outer fan are switching state, namely open vacuum primingpump and can not use outer fan, open outer fan and can not use vacuum primingpump.
Multifunctional membrane aeration artificial marsh sewage treatment system of the present invention, its innovative point is:
(1) adopt the mode of film aeration to carry out aeration to artificial swamp, improve the utilising efficiency of oxygen, strengthen gas transfer performance, improve the effect of nitration reaction, save energy, aeration efficiency is high.
(2) various ways process can be carried out according to the water quality situation of water inlet, multi-functional, Alternative operation can be realized.Such as: when influent quality is poor, when effluent quality does not require reuse, Biological Contact Oxidation Process mode can be adopted to process sewage; When influent quality is poor, and during effluent quality requirement reuse, membrane biological reactor process mode can be adopted to dispose of sewage; When intaking as micro-polluted raw, the function of traditional artificial swamp can be adopted to carry out sewage disposal; When intaking as high-ammonia-nitrogen sewage, the function of film aeration type artificial swamp can be adopted to carry out sewage disposal.
(3) the present invention adopts film aeration mode, can realize bubble-free aeration, useful to wetland plant.
The present invention compared with prior art has the following advantages:
(1) purposes is more, realizes the combination of the large technique of artificial wetland process, Biological Contact Oxidation Process and membrane bioreactor three.
(2) easy to operation.Achieve the rapid translating of three large sewage treatment process in monomer structures, be highly suitable for influent quality different with effluent quality requirement and set corresponding technique.
Accompanying drawing explanation
Fig. 1 is multifunctional membrane aeration artificial marsh sewage treatment system structural representation of the present invention;
Label in figure represents respectively: 1, water distributing area, 2, artificial swamp pond, 3, catchment area, 4, water inlet pipe, 5, perforation tracery wall.6, Anti-seeping technology layer, 7, cobble bed course, 8, aeration pipe network, 9, ceramic grain filter layer, 10, plantation soil layer, 11, main control valve, 12, variable valve, 13, outer fan, 14, vacuum primingpump (band PLC control system), 15-1, the first blow-off valve, 15-2, the second blow-off valve, 16-1, the first rising pipe, 16-2, the second rising pipe, 17-1, first-class gauge, 17-2, second gauge;
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Embodiment
See Fig. 1, the present embodiment provides a kind of multifunctional membrane aeration artificial marsh sewage treatment system, comprise artificial swamp pond 2, bottom artificial swamp pond 2, have Anti-seeping technology layer 6, above Anti-seeping technology layer 6, lay cobble bed course 7, ceramic grain filter layer 9 and plantation soil layer 10 successively; Water distributing area 1 and catchment area 3 is respectively arranged with, water distributing area 1 and being connected by tracery wall 5 of boring a hole between catchment area 3 with artificial swamp pond 2 in both sides, artificial swamp pond 2, wherein:
The water inlet pipe 4 for connecting intake pump is provided with in described water distributing area 1; Water inlet pipe 4 is provided with the first-class gauge 17-1 for controlling flow; The first blow-off valve 15-1 is provided with bottom water distributing area 1;
Described catchment area 3 is provided with the first rising pipe 16-1 and the second rising pipe 16-2, and wherein, the first rising pipe 16-1 is free discharge pipe, does not therefore arrange under meter; Second rising pipe 16-2 there is the second gauge 17-2 for control flow check amount; The second blow-off valve 15-2 is had bottom catchment area 3;
Above cobble bed course 7, have aeration pipe network 8, this aeration pipe network 8 includes two aeration supervisors and several aeration branch pipe, and an aeration supervisor is positioned at outside water distributing area 1, and another root aeration supervisor is positioned at outside catchment area 3; Aeration supervisor is along cobble bed course 7 edge placement in artificial swamp pond 2, and it is inner that aeration branch pipe is laid in cobble bed course 7 side by side, each aeration branch pipe connects aeration main tube end and be provided with variable valve 12; Two aeration supervisors in aeration pipe network 8 and several aeration branch pipe are the composite pipe network of boring aeration pipe and aeration, and aeration film is fixing on two aeration supervisors and several aeration branch pipe;
Be positioned at the aeration outside water distributing area 1 supervisor on be provided with main control valve 11 and outer fan 13, wherein main control valve 11 is in order to switch aeration mode; Be positioned at the vacuum primingpump 14 supervisor of the aeration outside catchment area 3 being provided with band PLC control system, wherein, vacuum primingpump 14 and outer fan 13 are switching state, namely open vacuum primingpump 14 and can not use outer fan 13, open outer fan 13 and can not use vacuum primingpump 14.
Plantation soil layer 10 is in order to plant the plant of artificial swamp.The conventional wetland plants such as Plants selection calamus, reed, Canna generalis Bailey.
In the present embodiment, the ceramic grain filter diameter in ceramic grain filter layer 9 is 3-5mm.
Impervious barrier 6, cobble bed course 7, ceramic grain filter layer 9 are respectively 3cm ~ 5cm, 10cm ~ 20cm, 30cm ~ 60cm and 15cm ~ 20cm, within total height remains on 1m with the height of plantation soil layer 10.
Vacuum primingpump 14 is furnished with PLC automatic control device a slice, for controlling the start and stop of vacuum primingpump 14.
Boring aeration pipe material is PVC or PPR; Aeration film material is PE or PVDF.
Second blow-off valve 15-2 doubles as the mud valve of contact oxidation technology.
Main control valve 11, in order to switch aeration mode, can carry out boring aeration and film aeration two kinds of forms.
The principle of multifunctional membrane aeration artificial marsh sewage treatment system of the present invention is:
Give full play to the function of each reaction process, and realize the operation scheme of each reaction process and effect of merit conversion of energy by changing operational conditions, thus make reactor have multiple diverse process operational mode, realize requiring and the water treatment mode of operation according to water inlet effluent quality.
Its working process is as follows:
One, when influent quality is poor, and when effluent quality does not require reuse
Run in Biological Contact Oxidation Process mode, concrete mode is:
Waste water after pre-treatment (slagging-off) enters water distributing area 1 through intake pump and water inlet pipe 4.The even water distribution of perforated tracery wall 5 enters artificial swamp pond 2.Now aeration mode is film aeration, and the microbial film in artificial swamp pond 2, under the condition of film aeration pipe network 8 aeration, is degraded to the organism in water inlet, and microbial film constantly upgrades on the one hand, on the other hand contaminated wastewater material is removed.Plant in artificial swamp pond 2 also serves the effect of pollutant removal.Water outlet enters catchment area 3 through gravity flow, and now catchment area 3 can be used as settling tank, and a small amount of mud is got rid of through the second blow-off valve 15-2, and water outlet through the first rising pipe 16-1 gravity flow water outlet, and reaches the requirement of user.
Two, influent quality is poor, and effluent quality requires reuse
Run in membrane biological reactor process mode, concrete mode is:
Waste water after pre-treatment (slagging-off) enters water distributing area 1 through intake pump and water inlet pipe 4.The even water distribution of perforated tracery wall 5 enters artificial swamp pond 2.Now aeration mode is boring aeration, and the microbial film in artificial swamp pond 2, under the condition of film aeration pipe network 8 aeration, is degraded to the organism in water inlet, and microbial film constantly upgrades on the one hand, on the other hand contaminated wastewater material is removed.The plant in artificial swamp pond 2 also serves the effect of pollutant removal.Water outlet is undertaken aspirating by the film in film aeration pipe network 8 through vacuum primingpump 14 and is entered catchment area 3 via the second rising pipe 16-2 water outlet, and now catchment area 3 can be used as reuse water collecting tank, pond namely, and reaches the requirement of user.
Three, when water inlet is for micro-polluted raw
Run in traditional artificial wetland process mode, concrete mode is:
Waste water after pre-treatment (slagging-off) enters water distributing area 1 through intake pump and water inlet pipe 4.The even water distribution of perforated tracery wall 5 enters artificial swamp pond 2.Now aeration mode is not aeration.Microbial film in artificial swamp pond 2 is degraded to the organism in water inlet, and microbial film constantly upgrades on the one hand, on the other hand contaminated wastewater material is removed.The plant in artificial swamp pond 2 also serves the effect of pollutant removal.Water outlet is through entering catchment area 3 from flowing through tracery wall, and water outlet through rising pipe 16-1 gravity flow water outlet, and reaches the requirement of user.
Four, when water inlet is for high-ammonia-nitrogen sewage
Run in film aeration type artificial wetland process mode, concrete mode is:
Waste water after pre-treatment (slagging-off) enters water distributing area 1 through intake pump and water inlet pipe 4.The even water distribution of perforated tracery wall 5 enters artificial swamp pond 2.Now aeration mode is film aeration, microbial film in artificial swamp pond 2 is under the condition of film aeration pipe network 8 aeration, organism in water inlet is degraded, microbial film constantly upgrades on the one hand, on the other hand contaminated wastewater material is removed, carry out nitrification simultaneously and remove ammonia nitrogen, the plant in artificial swamp pond 2 also serves the effect of pollutant removal.Water outlet is through entering catchment area 3 from flowing through tracery wall, and water outlet through rising pipe 16-1 gravity flow water outlet, and reaches the requirement of user.
Below the specific embodiment that contriver provides:
Embodiment 1:
Waste water after pre-treatment (slagging-off) enters water distributing area 1 through intake pump and water inlet pipe 4.The even water distribution of perforated tracery wall 5 enters artificial swamp pond 2.Now aeration mode is film aeration, and the microbial film in artificial swamp pond 2, under the condition of film aeration pipe network 8 aeration, is degraded to the organism in water inlet, and microbial film constantly upgrades on the one hand, on the other hand contaminated wastewater material is removed.The plant in artificial swamp pond 2 also serves the effect of pollutant removal.Water outlet enters as settling tank catchment area 3 through gravity flow, and a small amount of mud is got rid of through blow-off valve 15-2, and water outlet is through rising pipe 16-1 gravity flow water outlet.
By above-mentioned gained contact oxidation technology process sanitary sewage, the principal pollutant index COD=200mg/L of sanitary sewage ~ 300mg/L, BOD
5=100mg/L ~ 200mg/L, NH
3-N=40mg/L ~ 50mg/L, TN=40mg/L ~ 50mg/L.Because the ceramic grain filter surface in ceramic grain filter layer 9 is easy to biofilm, the microbial film of attachment serves the effect of removing pollutent and denitrogenation.Water outlet COD=45mg/L ~ 50mg/L, BOD after process
5=10mg/L ~ 15mg/L, NH
3-N=5mg/L ~ 8mg/L, TN=15mg/L ~ 20mg/L.Effluent quality can reach the secondary standard of urban wastewater treatment firm pollutant emission standard (GB18918-2002).
Embodiment 2:
Waste water after pre-treatment (slagging-off) enters water distributing area 1 through intake pump and water inlet pipe 4.The even water distribution of perforated tracery wall 5 enters artificial swamp pond 2.Now aeration mode is boring aeration, and the microbial film in artificial swamp pond 2, under the condition of film aeration pipe network 8 aeration, is degraded to the organism in water inlet, and microbial film constantly upgrades on the one hand, on the other hand contaminated wastewater material is removed.2 kinds, the artificial swamp pond plant planted also serves the effect of pollutant removal.The film of water outlet in film aeration pipe network 8 stops than (within 13 minutes, running by taking out of the PLC device setting on vacuum primingpump 14, within 2 minutes, stop) aspirating, after membrane filtration, enter catchment area 3 by the water outlet of the second rising pipe 16-2, now catchment area 3 as in pond.
By above-mentioned gained membrane biological reactor process process sanitary sewage, the principal pollutant index COD=200mg/L of sanitary sewage ~ 300mg/L, BOD
5=100mg/L ~ 200mg/L, NH
3-N=40mg/L ~ 50mg/L, TN=40mg/L ~ 50mg/L, SS=100mg/L-200mg/L.
Because the ceramic grain filter surface in ceramic grain filter layer 9 is easy to biofilm, the microbial film of ceramic grain filter attachment serves the effect of removing pollutent and denitrogenation.Water outlet COD=10mg/L ~ 15mg/L, BOD after process
5=5mg/L ~ 10mg/L, NH
3-N ≈ 0mg/L, TN=15mg/L ~ 20mg/L, SS=1mg/L ~ 2mg/L.Effluent quality can reach the requirement that can reach " urban sewage reutilization urban reclaimed water water quality " (GB/T18920-2002) and " urban sewage reutilization landscape water water quality standard " (GB/T18921-2002).Due to membrane filtration effect, wherein water outlet total plate count can be made to be 0.Reach Treated sewage reusing.
Embodiment 3:
Waste water after pre-treatment (slagging-off) enters water distributing area 1 through intake pump and water inlet pipe 4, and the even water distribution of perforated tracery wall 5 enters artificial swamp pond 2.Now aeration mode is not aeration.Microbial film in artificial swamp pond 2 is degraded to the organism in water inlet, and microbial film constantly upgrades on the one hand, on the other hand contaminated wastewater material is removed.2 kinds, the artificial swamp pond plant planted also serves the effect of pollutant removal.Water outlet gravity flow perforated tracery wall 5 enters catchment area 3, and water outlet is through the first rising pipe 16-1 gravity flow water outlet.
By traditional for above-mentioned gained artificial wetland process process micro-polluted raw, choose contaminated urban river water.At influent COD
cr, COD
mn, NH
3-N, SS, turbidity, TP, TN are respectively: 30 ~ 40mg/L, 8 ~ 19mg/L, 1 ~ 3mg/L, 37 ~ 50mg/L, 20 ~ 60NTU, 0.3-0.4mg/L, during 2 ~ 3mg/L, after art breading, effluent quality is respectively: below 15mg/L, below 4mg/L, below 1mg/L, below 5mg/L, below 1NTU, below 0.2mg/L, below 1.0mg/L.The requirement of the 3rd class water can be reached from the bad 5 class water of " water environment quality standard " (GB3838-2002)
Embodiment 4:
Waste water after pre-treatment (slagging-off) enters water distributing area 1 through intake pump and water inlet pipe 4, and the even water distribution of perforated tracery wall 5 enters artificial swamp pond 2.Now aeration mode is film aeration, microbial film in artificial swamp pond 2 is under the condition of film aeration pipe network 8 aeration, organism in water inlet is degraded, microbial film constantly upgrades on the one hand, on the other hand contaminated wastewater material is removed, carry out nitrification simultaneously and remove ammonia nitrogen, 2 kinds, the artificial swamp pond plant planted also serves the effect of pollutant removal.Water outlet enters catchment area 3 through gravity flow perforated tracery wall 5, and water outlet is through the first rising pipe 16-1 gravity flow water outlet.
By above-mentioned gained film aeration artificial wetland process process height ammonia nitrogen micro-polluted raw, choose the urban river water by ammonia and nitrogen pollution.At influent COD
cr, COD
mn, NH
3-N, SS, turbidity, TP, TN are respectively: 30mg/L ~ 40mg/L, 50mg/L ~ 60mg/L, 1mg/L ~ 3mg/L, 37mg/L ~ 50mg/L, 20NTU ~ 60NTU, when 0.3mg/L ~ 0.4mg/L, 50mg/L ~ 60mg/L, after art breading, effluent quality is respectively: below 15mg/L, below 2mg/L, below 0.5mg/L, below 5mg/L, below 1NTU, below 0.1mg/L, below 10mg/L.Can except total nitrogen, the bad 5 class water exceeded standard from the ammonia nitrogen height of " water environment quality standard " (GB3838-2002) reach the requirement of the 2nd class water.Effluent quality can reach the function of repairing polluted water body.
Claims (6)
1. a multifunctional membrane aeration artificial marsh sewage treatment system, comprise artificial swamp pond (2), it is characterized in that, have Anti-seeping technology layer (6) in artificial swamp pond (2) bottom, Anti-seeping technology layer (6) top lays cobble bed course (7), ceramic grain filter layer (9) and plantation soil layer (10) successively; Water distributing area (1) and catchment area (3) are respectively arranged with in artificial swamp pond (2) both sides, water distributing area (1) and being connected by tracery wall (5) of boring a hole between catchment area (3) with artificial swamp pond (2), wherein:
The water inlet pipe (4) for connecting intake pump is provided with in described water distributing area (1); Water inlet pipe (4) is provided with the first-class gauge (17-1) for controlling flow; The first blow-off valve (15-1) is provided with in water distributing area (1) bottom;
Described catchment area (3) is provided with the first rising pipe (16-1) and the second rising pipe (16-2), wherein, first rising pipe (16-1) is free discharge pipe, the second rising pipe (16-2) has the second gauge (17-2) for control flow check amount; The second blow-off valve (15-2) is had in catchment area (3) bottom;
Aeration pipe network (8) is had in cobble bed course (7) top, this aeration pipe network (8) includes two aeration supervisors and several aeration branch pipe, an aeration supervisor is positioned at outside water distributing area (1), and another root aeration supervisor is positioned at outside catchment area (3); Aeration supervisor is along cobble bed course (7) edge placement of artificial swamp pond (2), and it is inner that aeration branch pipe is laid in cobble bed course (7) side by side, each aeration branch pipe connects aeration main tube end and be provided with variable valve (12); Two aeration supervisors in aeration pipe network (8) and several aeration branch pipe are boring aeration pipe, and aeration film is fixing on two aeration supervisors and several aeration branch pipe;
Be positioned at the aeration outside water distributing area (1) supervisor on be provided with main control valve (11) and outer fan (13), wherein main control valve (11) is in order to switch aeration mode; Be positioned at the vacuum primingpump (14) supervisor of the aeration outside catchment area (3) being provided with band PLC control system, wherein, vacuum primingpump (14) and outer fan (13) are switching state, namely open vacuum primingpump (14) and outer fan (13) can not be used, open outer fan (13) and vacuum primingpump (14) can not be used.
2. multifunctional membrane aeration artificial marsh sewage treatment system as claimed in claim 1, it is characterized in that, the ceramic grain filter diameter in described ceramic grain filter layer (9) is 3-5mm.
3. multifunctional membrane aeration artificial marsh sewage treatment system as claimed in claim 1, it is characterized in that, described Anti-seeping technology layer (6), cobble bed course (7), ceramic grain filter layer (9) are respectively 3cm ~ 5cm, 10cm ~ 20cm, 30cm ~ 60cm and 15cm ~ 20cm, within total height remains on 1m with the height of plantation soil layer (10).
4. multifunctional membrane aeration artificial marsh sewage treatment system as claimed in claim 1, it is characterized in that, described vacuum primingpump (14) is furnished with PLC automatic control device a slice, for controlling the start and stop of vacuum primingpump (14).
5. multifunctional membrane aeration artificial marsh sewage treatment system as claimed in claim 1, it is characterized in that, described boring aeration pipe material is PVC or PPR; Aeration film material is PE or PVDF.
6. multifunctional membrane aeration artificial marsh sewage treatment system as claimed in claim 1, it is characterized in that, described the second blow-off valve (15-2) doubles as the mud valve of contact oxidation technology.
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| CN105417715A (en) * | 2015-12-15 | 2016-03-23 | 广西荷香人间现代农业科技有限公司 | Alternate anti-blocking constructed wetland and application thereof to organic rice irrigation |
| CN106115929B (en) * | 2016-08-31 | 2019-07-30 | 安徽国祯环保节能科技股份有限公司 | A kind of artificial swamp for sewage treatment |
| CN106809955A (en) * | 2016-12-29 | 2017-06-09 | 聚光科技(杭州)股份有限公司 | Artificial wet land system and its maintaining method |
| CN107324496A (en) * | 2017-06-30 | 2017-11-07 | 方佩珍 | A kind of integrated constructed wetland device |
| CN109956558A (en) * | 2017-12-22 | 2019-07-02 | 京蓝北方园林（天津）有限公司 | A kind of film aeration ecology corridor sewage disposal system |
| CN109942094A (en) * | 2019-04-25 | 2019-06-28 | 中国电建集团华东勘测设计研究院有限公司 | Floatable manmade landscape, artificial landscape's ecological wetland |
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