CN109626764A - A kind of biological treatment system for sponge urban rainwater purification - Google Patents
A kind of biological treatment system for sponge urban rainwater purification Download PDFInfo
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- CN109626764A CN109626764A CN201910137295.XA CN201910137295A CN109626764A CN 109626764 A CN109626764 A CN 109626764A CN 201910137295 A CN201910137295 A CN 201910137295A CN 109626764 A CN109626764 A CN 109626764A
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- green belt
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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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/481—Treatment of water, waste water, or sewage with magnetic or electric fields using permanent magnets
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion 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
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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)
Abstract
The invention discloses a kind of biological treatment systems for sponge urban rainwater purification, biological treatment system is set to the lower section of road surface and road surface two sides green belt, biological treatment system includes sedimentation basin, reservoir and biological cleaning layer, sedimentation basin is located at the underface on road surface, for accepting the rainwater under seeping through road surface and green belt, overflow pipe is set in sedimentation basin, reservoir is connected to by overflow pipe with sedimentation basin, the rainwater overflowed for settlement on storage pond, biological cleaning layer includes the road surface biological cleaning layer for being located at road surface bottom and the green belt biological cleaning layer for being located at green belt bottom；Road surface uses porous pavement, and green belt uses permeability soil.The advantage of the invention is that urban pavement and green belt are arranged to permeability structure, the case where rainwater can directly penetrate into underground, be not in surface gathered water is walked convenient for vehicle driving and pedestrian, and rainwater obtains sufficient purified treatment in process of osmosis, and the rainwater of storage is made to have wider array of purposes.
Description
Technical field
The present invention relates to sponge urban construction and technical field of sewage, and in particular to one kind is used for sponge city rain
The biological treatment system of Water warfare.
Background technique
In recent years, meet rain must flood evolve as the chronic illnesses of China big and medium-sized cities, and the city of many serious water shortages
It lost 70% rainwater in vain, very unfortunately, and this problem has been solved perfectly in the proposition of sponge the idea of the city.Sponge city
City refers to that city can have good " elasticity " in terms of adapting to environmental change and reply as sponge,
The water stored " release " is come out and is used when needing by water suction, water storage, infiltration, water purification when raining.
At the same time, the processing of rainwater collected by sponge city is also at the problem of a urgent need to resolve.Each city
Pollution condition is different, and the rainwater in the excellent city of environment is more clean, can direct secondary use, but most cities pollution is more tight
Weight, Rainwater Quality is very poor, and needing to be further processed could recycle.However people pay little attention to the pollution level of rainwater at present,
Environment may be further polluted, or even endanger people's if contaminated rainwater is dealt with improperly in today that pollution is got worse
Health.
Currently, common rainwater purification technology has grass planting ditch, diafiltration ditch, artificial swamp etc. in sponge city.Wherein, grass planting
Ditch, diafiltration ditch can be collected rainwater, store, and only serve Effect of Pretreatment, the rainwater high for pollution level is not
Can effectively purify, and some artificial swamps can purifying rainwater to a certain degree, but often exist and take up a large area, poor processing effect
Drawback.
Summary of the invention
The purpose of the present invention is to provide a kind of biological treatment systems for sponge urban rainwater purification, and which solve biographies
Rainwater purification mode occupation area of equipment of uniting is big, poor processing effect defect.
The present invention through the following technical solutions to achieve the above objectives:
A kind of biological treatment system for sponge urban rainwater purification, the biological treatment system are set to road surface and road
The lower section of face two sides green belt, biological treatment system include sedimentation basin, reservoir and biological cleaning layer, and the sedimentation basin is located at road
The underface in face sets overflow pipe, the reservoir is by overflowing for accepting the rainwater under seeping through road surface and green belt in sedimentation basin
Flow tube is connected to sedimentation basin, and for the rainwater that settlement on storage pond is overflowed, the biological cleaning layer includes being located at the road of road surface bottom
Face biological cleaning layer and the green belt biological cleaning layer for being located at green belt bottom；
The road surface uses porous pavement, and the green belt uses permeability soil.
Further improvement lies in that the U shape that the reservoir is high in intermediate low two sides, in two lateral roofs of reservoir
Equipped with several permeability cells, the permeability cell is extended in the biological cleaning layer of green belt, and is equipped with valve on every permeability cell,
Aeration tube is equipped in two side bottoms of reservoir；
The overflow pipe top nozzle is located in sedimentation basin at certain altitude, and the bottom nozzle of overflow pipe is located at reservoir
Center top position.
It seeps water further improvement lies in that the green belt biological cleaning layer is equipped with green belt at the position close to sedimentation basin
The height of outlet, green belt infiltration outlet is higher than overflow pipe top nozzle height, and the overflow pipe top nozzle height is high
In the two sides overhead height of reservoir.
Further improvement lies in that sealed end is set as at the top of the permeability cell, on the side pipe wall of permeability cell at different height
Be provided with several circle air holes, and be equipped with waterproof cover above every circle air hole, the outer ring edge of the waterproof cover lower than pair
Answer the height of air hole.
Several pieces of supporting plates are equipped with further improvement lies in that erectting in the sedimentation basin, the supporting plate apical support is on road surface
The bottom of biological cleaning layer.
Further improvement lies in that be uniformly provided with several draining recirculation holes on the supporting plate, adjacent row throughbore it
Between be hung with Active biological filler, the bottom of the supporting plate is fixed in sedimentation basin by several pillars.
Further improvement lies in that the biological cleaning layer is by gravel layer, the multiporous biological matter layer of charcoal that is inoculated with functional flora,
Magnetic bio adsorption layer, aerobic combination packing layer and bubble concrete layer are arranged successively composition from top to bottom.
Further improvement lies in that the magnetic bio adsorption layer is ferriferrous oxide particles powder, metal iron powder or magnetic iron ore
Or mixtures thereof powder, 10 μm~25 μm of powder diameter.
Further improvement lies in that being equipped with water quality testing meter and drinking-water pipe in the reservoir.
Further improvement lies in that the bottom of pond of the sedimentation basin is set as the high inclined surface in intermediate low two sides, and among bottom of pond
Position is equipped with extraction mud pipe.
The beneficial effects of the present invention are: urban pavement and green belt are arranged to permeability structure, rainwater can directly permeate
To underground, the case where being not in surface gathered water, walk convenient for vehicle driving and pedestrian, and in process of osmosis rainwater by life
Object purifying layer is purified, and then the suction-operated through sedimentation basin precipitation and Active biological filler again, rainwater are filled
The purified treatment divided, the indexs such as turbidity, total nitrogen, total phosphorus, COD, BOD, SS are effectively reduced, and dissolved oxygen index obtains
It is effectively promoted, makes the rainwater of storage that there is wider array of purposes.In addition, being aerated for a long time in reservoir, it is able to maintain the activity of water storage, and
Permeability cell discharge gas can effectively keep the soil water permeability of green belt；Also, reservoir can also be utilized by closing permeability cell
Rainwater compressing in reservoir is back to sedimentation basin by the gas of special structure, aggregation, is then overflow to road surface and green belt
In soil, the work of sprinkling truck road surface watering and plant irrigation is directly eliminated, and water level can precisely be adjusted by aeration quantity, road
Uniformly, effect is more preferable for face watering and irrigation.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the schematic diagram of the section structure of permeability cell；
Fig. 3 is the planar structure schematic diagram of supporting plate；
Fig. 4 is the structural schematic diagram of biological cleaning layer；
In figure: 1, road surface；2, green belt；3, sedimentation basin；4, reservoir；5, biological cleaning layer；501, gravel layer；502, it connects
The multiporous biological matter layer of charcoal of the functional flora of kind；503, magnetic bio adsorption layer；504, aerobic combination packing layer；505, bubble is mixed
Solidifying soil layer；6, overflow pipe；7, permeability cell；8, valve；9, aeration tube；10, green belt infiltration outlet；11, air hole；12, waterproof
Cover；13, supporting plate；14, throughbore；15, Active biological filler；16, pillar；17, water quality testing meter；18, drinking-water pipe；19, it takes out
Mud pipe.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing, it is necessary to it is indicated herein to be, implement in detail below
Mode is served only for that the application is further detailed, and should not be understood as the limitation to the application protection scope, the field
Technical staff can make some nonessential modifications and adaptations to the application according to above-mentioned application content.
In conjunction with shown in Fig. 1 to Fig. 4, a kind of biological treatment system for sponge urban rainwater purification, biological treatment system
Set on the lower section of 1 two sides green belt 2 of road surface 1 and road surface, biological treatment system includes sedimentation basin 3, reservoir 4 and biological cleaning
Layer 5, sedimentation basin 3 is located at the underface on road surface 1, for accepting the rainwater under seeping through road surface 1 and green belt 2, sets in sedimentation basin 3 excessive
Flow tube 6, reservoir 4 are connected to by overflow pipe 6 with sedimentation basin 3, and for the rainwater that settlement on storage pond 3 is overflowed, biological cleaning layer 5 is wrapped
The green belt biological cleaning layer for including the road surface biological cleaning layer for being located at 1 bottom of road surface and being located at 2 bottom of green belt；Particularly, road
Face 1 uses porous pavement, such as head asphalt paving, and green belt 2 uses permeability soil.
Wherein, the U shape high in intermediate low two sides of reservoir 4 is equipped with several thoroughly in two lateral roofs of reservoir 4
Tracheae 7, permeability cell 7 extend in the biological cleaning layer of green belt, and are equipped with valve 8 on every permeability cell 7, in reservoir 4
Two side bottoms are equipped with aeration tube 9；6 top nozzle of overflow pipe is located in sedimentation basin 3 at certain altitude, the bottom nozzle of overflow pipe 6
Positioned at the center top position of reservoir 4.
Green belt biological cleaning layer is equipped with green belt infiltration outlet 10, green belt infiltration at the position close to sedimentation basin 3
Outlet 10 is the minimum point of green belt biological cleaning layer, and rainwater can seep water 10 rows of outlet into sedimentation basin 3 from green belt, greening
The height of area infiltration outlet 10 is higher than 6 top nozzle height of overflow pipe, and 6 top nozzle height of overflow pipe is higher than the two of reservoir 4
Lateral roof height, in this way in the case where guaranteeing normal condition, rainwater can seep water from green belt and export 10 discharges, and water level reaches certain altitude
Afterwards, it is arranged down from overflow pipe 6, reaches reservoir 4, and can guarantee the water energy in reservoir 4 to filling.
Specifically, the top of permeability cell 7 is set as sealed end, several circles are provided at different height on the side pipe wall of permeability cell 7
Air hole 11, and it is equipped with waterproof cover 12 in the top of every circle air hole 11, the outer ring edge of waterproof cover 12 is to be folded down knot
Structure, height are lower than the height of corresponding air hole 11.Permeability cell 7 can be realized and uniformly be breathed freely, and effectively prevent rainwater or other objects
Upright connect from permeability cell 7 falls into reservoir 4.
Several pieces of supporting plates 13 are equipped in addition, erectting in sedimentation basin 3,13 apical support of supporting plate is at the bottom of road surface biological cleaning layer
Portion.It is uniformly provided with several draining recirculation holes 14 on supporting plate 13, is hung with active bio between the throughbore 14 of adjacent row and fills out
Material 15, throughbore 14 guarantee that water level flows freely in sedimentation basin 3, and Active biological filler 15 plays further catharsis.
The bottom of supporting plate 13 is fixed in sedimentation basin 3 by several pillars 16, and 16 gap of pillar is larger, is conducive to the collection of bottom of pond deposit
It is poly-.
Wherein, biological cleaning layer 5 by gravel layer 501, be inoculated with multiporous biological matter layer of charcoal 502, the magnetic green of functional flora
Object adsorption layer 503, aerobic combination packing layer 504 and bubble concrete layer 505 are arranged successively composition from top to bottom.Wherein, it is inoculated with
Functional flora used in the multiporous biological matter layer of charcoal 502 of functional flora can be aerobic sexual function flora, or detest
Oxygen sexual function flora, multiporous biological matter charcoal select the raw materials thermal cracking such as stalk or rice husk to be made；Magnetic bio absorption therein
Layer 503 be ferriferrous oxide particles powder, metal iron powder or magnetite powder, or mixtures thereof, 10 μm~25 μm of powder diameter.And
And the frame structure (not shown) for guaranteeing each layer intensity is equipped with inside biological cleaning layer 5.
Preferably, it is equipped with water quality testing meter 17 in reservoir 4 and is additionally provided with pumping for the water quality in periodic detection reservoir 4
Water pipe 18, in time taking water in reservoir 4 away in long-time rainfall, to guarantee normal infiltration, purification process.It is heavy
The bottom of pond in shallow lake pond 3 is set as the high inclined surface in intermediate low two sides, convenient for the aggregation of basic sediment, and is equipped in bottom of pond middle position
Extraction mud pipe 19, for periodically taking deposit away.
Specific purification process of the invention are as follows: road surface 1 and 2 rainwater of green belt vertically permeate, successively by gravel layer 501,
Multiporous biological matter layer of charcoal 502, magnetic bio adsorption layer 503, aerobic combination packing layer 504 and the bubble for being inoculated with functional flora are mixed
The filtering and purified treatment of solidifying soil layer 505, finally flow in sedimentation basin 3, and rainwater carries out precipitating and further in sedimentation basin 3
Purified treatment, the water level in sedimentation basin 3 gradually goes up, and when water level reaches the height of overflow pipe 6, upper layer rainwater clear liquid is flow to
Storage in reservoir 4；4 two sides of reservoir are aerated for a long time, can effectively keep the activity of water storage, and gas is being afforested through permeability cell 7
The discharge of area's biological cleaning layer, can improve the clean-up effect of biological cleaning layer, and keep the soil permeability of green belt 2.In addition, ventilative
The valve 8 of pipe 7 can be closed all, and gas will gather in two lateral roofs of reservoir 4, and gradually compressing is so that in reservoir 4
Water storage is back in sedimentation basin 3 from overflow pipe 6, and is then overflow to the soil of 1 surface of road surface and green belt 2, is directly saved
The work of sprinkling truck road surface watering and plant irrigation, and water level can precisely be adjusted by aeration quantity, road surface watering and is irrigated equal
Even, effect is more preferable.It is excellent that in addition, the present invention also has, collectable storm drain area is wide, reservoir storage is big, is not take up surface area etc.
Point, generally speaking, the present invention and the construction theory in sponge city are very identical.
In order to verify rainwater purification effect of the invention, in certain rainfall, the water quality feelings of initial rainwater are had detected
Condition, and through the purified Rainwater Quality situation of biological purification system of the present invention；Also, the diafiltration ditch of position setting nearby and people
Work wetland combined system carries out purified treatment simultaneously to initial rainwater, and detects through same time treated water quality situation, makees
For control group, testing result is depicted as following table:
As can be seen from the above table, after biological treatment system processing of the invention, rainwater has obtained sufficient purification,
The indexs such as turbidity, total nitrogen, total phosphorus, COD, BOD, SS are significantly reduced, moreover, its dissolved oxygen index is effectively promoted,
Making the rainwater of storage has wider array of purposes and higher safety in utilization.The present invention is relative to traditional diafiltration ditch and people
Work wetland combined treatment mode, clean-up effect promotes obvious, dissolved oxygen content not anti-reflection increasing, and is not take up surface area, is convenient for
Management, it is with the obvious advantage.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (10)
1. a kind of biological treatment system for sponge urban rainwater purification, it is characterised in that: the biological treatment system is set to
The lower section of road surface (1) and road surface (1) two sides green belt (2), biological treatment system include sedimentation basin (3), reservoir (4) and life
Object purifying layer (5), the sedimentation basin (3) are located at the underface on road surface (1), for accepting through under road surface (1) and green belt (2) infiltration
Rainwater, sets overflow pipe (6) in sedimentation basin (3), the reservoir (4) is connected to by overflow pipe (6) with sedimentation basin (3), is used for
The rainwater that settlement on storage pond (3) is overflowed, the biological cleaning layer (5) include the road surface biological cleaning layer for being located at road surface (1) bottom
With the green belt biological cleaning layer for being located at green belt (2) bottom；
The road surface (1) uses porous pavement, and the green belt (2) uses permeability soil.
2. a kind of biological treatment system for sponge urban rainwater purification according to claim 1, it is characterised in that: institute
Reservoir (4) U shape high in intermediate low two sides is stated, is equipped with several permeability cells (7) in two lateral roofs of reservoir (4),
The permeability cell (7) extends in the biological cleaning layer of green belt, and is equipped with valve (8) on every permeability cell (7), in reservoir
(4) two side bottoms are equipped with aeration tube (9)；
Overflow pipe (6) top nozzle is located at sedimentation basin (3) interior certain altitude, and the bottom nozzle of overflow pipe (6), which is located at, to be stored
The center top position in pond (4).
3. a kind of biological treatment system for sponge urban rainwater purification according to claim 2, it is characterised in that: institute
It states green belt biological cleaning layer and is equipped with green belt infiltration outlet (10) at the position close to sedimentation basin (3), the green belt is seeped
The height of water out (10) is higher than overflow pipe (6) top nozzle height, and overflow pipe (6) the top nozzle height is higher than reservoir
(4) two sides overhead height.
4. a kind of biological treatment system for sponge urban rainwater purification according to claim 2, it is characterised in that: institute
It states and is set as sealed end at the top of permeability cell (7), be provided with several circle air holes on the side pipe wall of permeability cell (7) at different height
(11), and above every circle air hole (11) be equipped with waterproof cover (12), the outer ring edge of the waterproof cover (12) lower than pair
Answer the height of air hole (11).
5. a kind of biological treatment system for sponge urban rainwater purification according to claim 1, it is characterised in that: institute
It states to erect in sedimentation basin (3) and is equipped with several pieces of supporting plates (13), supporting plate (13) apical support is at the bottom of road surface biological cleaning layer
Portion.
6. a kind of biological treatment system for sponge urban rainwater purification according to claim 5, it is characterised in that: institute
It states and is uniformly provided with several draining recirculation holes (14) on supporting plate (13), hang active life between the throughbore (14) of adjacent row
The bottom of object filler (15), the supporting plate (13) is fixed in sedimentation basin (3) by several pillars (16).
7. a kind of biological treatment system for sponge urban rainwater purification according to claim 1, it is characterised in that: institute
Biological cleaning layer (5) is stated to be adsorbed by gravel layer (501), the multiporous biological matter layer of charcoal (502) for being inoculated with functional flora, magnetic bio
Layer (503), aerobic combination packing layer (504) and bubble concrete layer (505) are arranged successively composition from top to bottom.
8. a kind of biological treatment system for sponge urban rainwater purification according to claim 7, it is characterised in that: institute
State magnetic bio adsorption layer (503) be ferriferrous oxide particles powder, metal iron powder or magnetite powder, or mixtures thereof, powder is straight
10 μm~25 μm of diameter.
9. a kind of biological treatment system for sponge urban rainwater purification according to claim 1, it is characterised in that: institute
It states and is equipped with water quality testing meter (17) and drinking-water pipe (18) in reservoir (4).
10. a kind of biological treatment system for sponge urban rainwater purification according to claim 1, it is characterised in that:
The bottom of pond of the sedimentation basin (3) is set as the high inclined surface in intermediate low two sides, and is equipped with extraction mud pipe (19) in bottom of pond middle position.
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| CN111945500A (en) * | 2020-08-19 | 2020-11-17 | 福建省燕城建设工程有限公司 | Sponge urban rainwater recycle system |
| CN112854405A (en) * | 2021-01-07 | 2021-05-28 | 江苏龙腾工程设计股份有限公司 | Multifunctional biological detention pond and construction method thereof |
| CN114232772A (en) * | 2021-11-30 | 2022-03-25 | 花王生态工程股份有限公司 | Spongy rainwater treatment system for waterlogging-prone area |
| CN114570071A (en) * | 2022-03-15 | 2022-06-03 | 临沂龙泰建设工程有限公司 | Construction method of inverted cone-shaped sewage treatment sedimentation tank combined structure |
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| CN114232772A (en) * | 2021-11-30 | 2022-03-25 | 花王生态工程股份有限公司 | Spongy rainwater treatment system for waterlogging-prone area |
| CN114570071A (en) * | 2022-03-15 | 2022-06-03 | 临沂龙泰建设工程有限公司 | Construction method of inverted cone-shaped sewage treatment sedimentation tank combined structure |
| CN114570071B (en) * | 2022-03-15 | 2023-01-03 | 临沂龙泰建设工程有限公司 | Construction method of inverted cone-shaped sewage treatment sedimentation tank combined structure |
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