CN109205935A - River discharge outlet sewage shuts off the artificial swamp of processing - Google Patents

River discharge outlet sewage shuts off the artificial swamp of processing Download PDF

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Publication number
CN109205935A
CN109205935A CN201811135824.4A CN201811135824A CN109205935A CN 109205935 A CN109205935 A CN 109205935A CN 201811135824 A CN201811135824 A CN 201811135824A CN 109205935 A CN109205935 A CN 109205935A
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China
Prior art keywords
shut
shuts
discharge outlet
filter
rack
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Granted
Application number
CN201811135824.4A
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CN109205935B (en
Inventor
徐勇
张志兰
王苏艳
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Shanghai Ze Environmental Protection Technology Co Ltd
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Shanghai Ze Environmental Protection Technology Co Ltd
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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
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/105—Phosphorus compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/14—NH3-N
    • 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
    • C02F3/308—Biological phosphorus removal
    • 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
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • 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

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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)
  • Biological Treatment Of Waste Water (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

Shut off the artificial swamp of processing the present invention relates to a kind of river discharge outlet sewage, rack is filtered and the revolving door that shuts off including shutting off, shut off and filters rack and shut off revolving door and riverbank is enclosed sewage and shuts off inter-process space and revolving door and the riverbank discharge outlet face of shutting off, shut off filter rack be inside and outside double layer grid structure and periphery by filtering screen covering, shut off and filters inside rack filled with filter packing, planting aquatic plants on filter packing, sewage shut off inter-process space water body in be equipped with several bio-film colonization fillers, several slow release carbon source supplement pipes and several oxygenation lock phosphorus supplement pipe.The present invention can be realized the high-efficient purification processing to contaminants in drainage, the content of wherein nitrogen phosphorus organic pollutant be effectively reduced, while guaranteeing the flood carrying capacity of river discharge outlet.

Description

River discharge outlet sewage shuts off the artificial swamp of processing
Technical field
The invention belongs to the technical field of artificial swamp water purification, shut off processing more particularly to a kind of river discharge outlet sewage Artificial swamp.
Background technique
As the important carrier of urban surface water resource, urban water-body not only plays the natural function of substance and energy transport Can, but also have the function of water supply, flood passage, water drainage, irrigation, shipping, landscape, tourism etc..Due to long-term high speed economic society Development, many urban water-bodies in China all suffer from serious oxygen-rich oxide even black smelly problem.Currently, with Ecological Civilization Construction Gradually deeply, the improvement of city black-odor riverway is gradually brought into schedule.Many cities establish " the long system in river " to city black and odorous water Carry out restoration of the ecosystem.Practice have shown that in the case where sewage draining exit intercepts completely, using physics, chemistry, biology comprehensive means It is effective for carrying out the restoration of the ecosystem of city black and odorous water.By restoration of the ecosystem, many city black and odorous waters have obtained effectively controlling Reason, city Ecology, water environment and water landscape have obtained effective recovery.
Pipeline blowdown and face source blowdown of the pollution sources of city black and odorous water mainly from city centralization, just so-called city The reason of black and odorous water, substantially belongs to " in water, root is on the coast for pollution ".Therefore administrative department has carried out bank on river periphery While demolishing squatter buildings, pipeline cuts the measures such as dirt.It has no need for reticence, these measures are effectively, to greatly facilitate and reduce into urban water-body Pollutant.But the background of reality is the black smelly and rich battalion of some urban water-bodies even if cutting after dirty and bank demolishes squatter buildings completing pipeline Feedingization phenomenon is there is no obviously slowing down, even if this urban water-body, using various ecological reestablishments, water ecosystem is still difficult To be restored to the level for being better than V class water, some rivers for carrying out restoration of the ecosystem still will appear the indigo plant of large area in high temperature season Green alga outburst or even black and odorous water phenomenon.
The mainly many urban water-bodies of the reason of being found according to a large amount of engineering practice, causing this phenomenon are difficult to realize true The pipe of receiving of positive meaning cuts dirt, and water pollutant mainly passes through storm sewer and enters river.Enter urban water-body by storm sewer Pollution, only the restoration of the ecosystem means in the river are difficult to maintain the steady in a long-term of river water quality.Therefore, it is right in river to realize Effective interception of inlet for stom water blowdown makes detergent power of the amount of pollutants in river corridor restoration for entering water body by inlet for stom water In range, while the flood carrying capacity of inlet for stom water is not influenced, be the important prerequisite for realizing black and odorous water restoration of the ecosystem.
Drowned flow artificial wet land is highly effective to the smelly water remediation of urban black as a kind of ecological water treatment technology of low cost, Circular treatment is carried out to water body by building bypass drowned flow artificial wet land on bank when some black and odorous waters are repaired, effectively promotion water Matter.Artificial swamp is reached by wetland plant, medium filter bed and microorganism by the synergistic effect of physics, chemistry and biology Except the purpose of water pollutant.
Summary of the invention
Shut off the artificial swamp of processing technical problem to be solved by the invention is to provide a kind of river discharge outlet sewage, it is real Now the high-efficient purification of contaminants in drainage is handled, while guaranteeing the flood carrying capacity of river discharge outlet.
The technical solution adopted by the present invention to solve the technical problems is to provide a kind of river discharge outlet sewage and shuts off processing Artificial swamp, including shut off and filter rack and shut off revolving door, it is described shut off filter rack and the revolving door that shuts off is enclosed with riverbank Conjunction forms sewage and shuts off inter-process space and shut off revolving door and the riverbank discharge outlet face, it is described shut off filter rack and be Inside and outside double layer grid structure and periphery is covered by filtering screen, it is described shut off to filter filter packing, institute are filled with inside rack State planting aquatic plants on filter packing, the sewage shut off inter-process space water body in be equipped with several bio-film colonizations and fill out Material, several slow release carbon sources supplement pipe and several oxygenation lock phosphorus supplement pipe.
The sewage shut off inter-process space water body in be equipped with artificial floating island, the bio-film colonization filler, sustained release carbon Source supplement pipe and oxygenation lock phosphorus supplement pipe are lifted on artificial floating island lower part.
The artificial floating island includes floating frame and resistant floating plant, and the resistant floating plant plantation is on floating frame.
The slow release carbon source supplement pipe and oxygenation lock phosphorus supplement pipe are respectively the loading pipe of tube wall aperture and are hung by hanging buckle The lower section of artificial floating island is hung over, the slow release carbon source filled inside the slow release carbon source supplement pipe is that poly-succinic fourth diester is degradable Plastics, the sustained release oxygenation lock phosphorus agent that the oxygenation lock phosphorus supplement pipe inside is filled are the calper calcium peroxide of 90% or more purity.
The width of the artificial floating island is less than the width for the revolving door that shuts off.
Shut off that if to filter rack include double-layer structural general frame, metal mesh and dry corrosion sacrificial anode described, it is described Metal mesh is installed on the side of general frame, it is described shut off filter rack and corrosion sacrificial anode is conductively connected.
It is described shut off filter that rack passes through setscrew respectively and wirerope is fixed on riverbank.
When the revolving door that shuts off shuts off self weight close sewage shut off inter-process space, flood discharge when under water flow impact pressure It flips outward and opens sewage and shut off inter-process space.
The revolving door that shuts off includes door-plate, shaft and bearing, and the shaft is set to the top of door-plate and both ends and distinguishes It is rotatably installed on to shut off by bearing and filter on rack.
By filler basket, successively hierarchical layered is arranged as one to the filter packing that filters inside rack of shutting off from bottom to top Grade filter packing, secondary filtration filler, three-stage filtration filler and level Four filter packing, the packing material size of the by-pass filtration filler For 30~50mm, the packing material size of the secondary filtration filler is 10~30mm, and the packing material size of the three-stage filtration filler is 5 ~10mm, the packing material size of the level Four filter packing are 5~8mm.
Beneficial effect
First, it filters rack, filtering screen and filter packing by shutting off sewage is shut off and absorbed and filter, then tie Aerobic bio-contact oxidation, bottom anaerobic organism denitrification, oxygenation lock phosphorus and the mode of water plant absorption are closed to water body In the organic pollutants such as nitrogen, phosphorus be combined the processing of formula high-efficient purification, solid in the water body for be discharged into river can be significantly reduced The content of suspended matter, particulate matter and organic pollutant is conducive to river training pollution situation.
Second, on riverbank the displacement of discharge outlet under normal circumstances, the water body that shuts off by filtration mode and overflow manner outside It discharges into river；When displacement exceeds certain limit, the revolving door that shuts off flips outward automatic opening under water flow impact pressure, protects Demonstrate,prove normal flood carrying capacity.
Artificial floating island removal periodically can be carried out cleaning and material supplements work, enhanced Nitrogen/Phosphorus Removal, be convenient for by third The shut off deposit of inter-process space bottom of sewage is cleared up, facility maintenance is facilitated.
4th, structures are sheltered by artificial floating island and water plant, good beautification of landscape effect can be played Fruit.
Detailed description of the invention
Fig. 1 is overlooking structure diagram of the invention.
Fig. 2 shuts off for the present invention filters the schematic perspective view of rack.
Fig. 3 is the structural schematic diagram of artificial floating island of the present invention.
Fig. 4 is the hierarchical layered blank map of filter packing of the present invention.
Fig. 5 is the structural schematic diagram of the revolving door of the invention that shuts off.
Fig. 6 is the structural schematic diagram that slow release carbon source of the present invention supplements pipe.
Fig. 7 is the structural schematic diagram that oxygenation of the present invention locks that phosphorus supplements pipe.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Range.
A kind of river discharge outlet sewage as shown in Figure 1 shuts off the artificial swamp of processing, including shuts off and filter rack 1, cuts Flow revolving door 2 and artificial floating island 11.Shut off and filters rack 1 and shut off revolving door 2 and riverbank 4 is enclosed sewage and shuts off inside Space is managed, and shut off revolving door 2 and 5 face of riverbank discharge outlet, the shut off size in inter-process space of sewage is 9.6m2。 Artificial floating island 11 be set to sewage shut off inter-process space water body in.
Rack 1 is filtered as shown in Fig. 2, shutting off as inside and outside double layer grid structure, including double-layer structural general frame 1-1, If ferrous metal net 1-2 and dry corrosion sacrificial anode 1-3.General frame 1-1 is made of the coating steel pipe of D=5cm, metal mesh 1-2 is the wire netting of mesh diameter D=5mm, is installed on the side of general frame 1-1.Corrosion sacrificial anode 1-3 is aluminium alloy Block, by the metal mesh 1-2 connection of copper conductor and irony, wire netting of the protection as cathode, alleviates corrosion in water.Shut off filter The periphery for crossing rack 1 is covered by filtering screen 3, and filtering screen 3 is the nylon wire of mesh diameter D=2~4mm.Shut off filtration 1 bottom submerged of rack, offshore end is by multiple expansive rivets 12 and is fixed on the concrete revetment on riverbank 4, and passes through Wirerope and riverbank 4 are fixed.
Shut off and filter inside rack 1 filled with filter packing 6, as shown in figure 4, filter packing 6 is by filler basket from lower On successively hierarchical layered be arranged as by-pass filtration filler 6-1, secondary filtration filler 6-2, three-stage filtration filler 6-3 and level Four filtering Filler 6-4.By-pass filtration filler 6-1 is the useless brick of 30~50mm partial size, and secondary filtration filler 6-2 is 10~30mm partial size Gravel filling, three-stage filtration filler 6-3 are the active carbon filler of 5~10mm partial size, and level Four filter packing 6-4 is 5~8mm partial size Zeolite filler.To be easy to disassemble, filter packing 6 filters the matched grid packing basket of 1 size of rack on the coast using with shutting off It directly sinks to shut off after filling and filter in rack 1.7 calamus of top planting aquatic plants of filter packing 6, by 10~20 plants/m2 Plantation.
As shown in figure 5, the revolving door 2 that shuts off includes door-plate 2-1, shaft 2-2 and bearing 2-3.Shaft 2-2 is fixed by rivet In the top of door-plate 2-1, the both ends of shaft 2-2, which pass through bearing 2-3 respectively and are rotatably installed on to shut off, to be filtered on rack 1.It cuts Revolving door 2 is flowed when shutting off, sewage is closed by self weight and shuts off inter-process space, and when flood discharge is turned-out under water flow impact pressure Turn, automatically opens sewage and shut off inter-process space.Shut off revolving door 2 width be 2.3m.
As shown in figure 3, artificial floating island 11 includes floating frame 11-1 and resistant floating plant 11-2.Floating frame 11-1 is that length and width are The square structure of 2.1m encloses area 4.4m2, it is made of the pvc pipe of D=15cm, sealing joint, keeps enough floating Power, floating frame 11-1 are fixed on the concrete revetment on riverbank 4 by nylon rope, avoid it from being impacted by mass-flow impaired.Floating frame 11- Floating plant 11-2 watermifoil is cultivated in 1, planting density is 30 plants/m2.The width design of artificial floating island 11 is less than rotation of shutting off The width of door 2, it is convenient to the removal of artificial floating island 11 is subjected to cleaning and material supplements work, convenient for shutting off inside to sewage The deposit of reason space bottom is cleared up.
The lower section of artificial floating island 11 is lifted with multiple bio-film colonization fillers 8, slow release carbon source supplement pipe 9 and oxygenation lock phosphorus supplement Pipe 10.Bio-film colonization filler 8 can be constructed using biological rope, artificial aquatic weed, baton round, plastic sheet etc., and bottom is not fixed, Ability of voluntarily sinking is required, biological contact oxidation pond is constituted.As shown in Figure 6 and Figure 7, slow release carbon source supplement pipe 9 and oxygenation The loading pipe that phosphorus supplement pipe 10 is respectively tube wall aperture is locked, is hung by hanging buckle in the lower section of artificial floating island 11.Slow release carbon source is mended Fill inside pipe 9 filling poly-succinic fourth diester (PBS) degradation plastic, oxygenation lock inside phosphorus supplement pipe 10 filling purity 90% with On calper calcium peroxide as sustained release oxygenation lock phosphorus agent.
The river discharge outlet sewage shut off processing artificial swamp operation are as follows:
In non-rainfall or smaller rainfall runoff, discharge outlet 5 water flow in riverbank is smaller, and the revolving door 2 that shuts off of face is by self weight Sink to closing, the sewage being discharged from riverbank discharge outlet 5 come together in through the effect of shutting off sewage shut off carry out in inter-process space it is net Outlet after change processing.Treatment process are as follows: the biology that the sewage being discharged from riverbank discharge outlet 5 first passes around 11 lower part of artificial floating island connects Phosphorus is consolidated in touching oxidation processes and the denitrification denitrogenation of bottom and the oxygenation on top, strengthens and removes nitrogen phosphorus therein, reduces therein Organic concentration；Then, further across the filtering of filtering screen 3 and filter packing 6, remove bulky grain solid object therein and Suspended matter；The finally outlet after the absorption of wetland plant and chinampa plant processing.Draining is by wet land filler filtration and wetland The mode overflowed at the top of filler is discharged.
When rainfall runoff is larger, discharge outlet 5 water yield in riverbank increases, and water flow impact pressure increases, and the revolving door 2 that shuts off is in water flow It is dug upwards automatically under percussion, rainwater is expelled directly out into river, does not influence the flood discharge in rainy season.
In the present embodiment, repeatedly tested according to the Inlet and outlet water after stable operation three months, influent COD cr, ammonia nitrogen, The mean concentration of TP, SS are respectively 200mg/L, 15mg/L, 2mg/L, 250mg/L, the water outlet of These parameters be respectively 50mg/L, 3mg/L,0.35mg/L,25mg/L.The artificial swamp is estimated to need annual removal artificial floating island 11, and internal volume carries out primary Dredging processing.

Claims (10)

  1. The artificial swamp of processing 1. a kind of river discharge outlet sewage shuts off, it is characterised in that: including shut off filter rack (1) and cut Flow revolving door (2), it is described shut off to filter rack (1) and the revolving door that shuts off (2) and riverbank (4) and be enclosed sewage shut off inside Manage space and the revolving door that shuts off (2) and riverbank discharge outlet (5) face, it is described to shut off that filter rack (1) be inside and outside Double-level Reticulated Frame structure and periphery is covered by filtering screen (3), it is described shut off filter filled with filter packing (6) inside rack (1), it is described Planting aquatic plants (7) on filter packing (6), the sewage shut off inter-process space water body in be equipped with several bio-film colonizations Filler (8), several slow release carbon sources supplement pipe (9) and several oxygenation lock phosphorus supplement pipe (10).
  2. The artificial swamp of processing 2. a kind of river discharge outlet sewage according to claim 1 shuts off, it is characterised in that: described Sewage shut off inter-process space water body in be equipped with artificial floating island (11), the bio-film colonization filler (8), slow release carbon source supplement Pipe (9) and oxygenation lock phosphorus supplement pipe (10) are lifted on artificial floating island (11) lower part.
  3. The artificial swamp of processing 3. a kind of river discharge outlet sewage according to claim 2 shuts off, it is characterised in that: described Artificial floating island (11) includes floating frame (11-1) and resistant floating plant (11-2), and resistant floating plant (11-2) plantation is in floating On frame (11-1).
  4. The artificial swamp of processing 4. a kind of river discharge outlet sewage according to claim 2 shuts off, it is characterised in that: described Slow release carbon source supplement pipe (9) and oxygenation lock phosphorus supplement pipe (10) are respectively the loading pipe of tube wall aperture and are hung by hanging buckle in people The lower section on work chinampa (11), the internal slow release carbon source filled of slow release carbon source supplement pipe (9) is that poly-succinic fourth diester can drop Plastics are solved, the sustained release oxygenation lock phosphorus agent filled inside the oxygenation lock phosphorus supplement pipe (10) is the peroxidating of 90% or more purity Calcium.
  5. The artificial swamp of processing 5. a kind of river discharge outlet sewage according to claim 2 shuts off, it is characterised in that: described The width of artificial floating island (11) is less than the width for revolving door (2) of shutting off.
  6. The artificial swamp of processing 6. a kind of river discharge outlet sewage according to claim 1 shuts off, it is characterised in that: described Shutting off, to filter rack (1) include double-layer structural general frame (1-1), metal mesh (1-2) and if dry corrosion sacrificial anode (1- 3), the metal mesh (1-2) is installed on the side of general frame (1-1), it is described shut off filter rack (1) and corrosion sacrificial anode (1-3) is conductively connected.
  7. The artificial swamp of processing 7. a kind of river discharge outlet sewage according to claim 1 or 6 shuts off, it is characterised in that: It is described shut off filter rack (1) and be fixed on riverbank (4) by setscrew (12) and wirerope respectively.
  8. The artificial swamp of processing 8. a kind of river discharge outlet sewage according to claim 1 shuts off, it is characterised in that: described When the revolving door (2) that shuts off shuts off self weight close sewage shut off inter-process space, flood discharge when flipped outward under water flow impact pressure Sewage is opened to shut off inter-process space.
  9. The artificial swamp of processing 9. a kind of river discharge outlet sewage according to claim 8 shuts off, it is characterised in that: described The revolving door (2) that shuts off includes door-plate (2-1), shaft (2-2) and bearing (2-3), and the shaft (2-2) is set to door-plate (2-1) Top and both ends pass through bearing (2-3) respectively and be rotatably installed on to shut off and filter on rack (1).
  10. The artificial swamp of processing 10. a kind of river discharge outlet sewage according to claim 1 shuts off, it is characterised in that: institute It states to shut off and filters the internal filter packing (6) of rack (1) successively hierarchical layered is arranged as level-one mistake from bottom to top by filler basket Filter filler (6-1), secondary filtration filler (6-2), three-stage filtration filler (6-3) and level Four filter packing (6-4), the level-one mistake The packing material size for filtering filler (6-1) is 30~50mm, and the packing material size of the secondary filtration filler (6-2) is 10~30mm, institute The packing material size for stating three-stage filtration filler (6-3) is 5~10mm, the packing material size of the level Four filter packing (6-4) is 5~ 8mm。
CN201811135824.4A 2018-09-28 2018-09-28 Artificial wetland for river drainage outlet sewage interception treatment Active CN109205935B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110156148A (en) * 2019-07-02 2019-08-23 南京大学 It is a kind of to strengthen pollution cutting device for the electrolysis for entering river pollution
CN111005345A (en) * 2019-12-03 2020-04-14 福建省水利水电勘测设计研究院 Ecological water system restoration construction method
CN113697876A (en) * 2021-09-15 2021-11-26 同济大学 In-situ rain overflow pollution reduction device and method based on slow-release material
CN115010262A (en) * 2022-05-07 2022-09-06 南京古洛环保工程有限公司 Rainwater drainage port reduction and filtration ecological floating island system

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