CN108793609A - The method of urban rainwater management and processing - Google Patents
The method of urban rainwater management and processing Download PDFInfo
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- CN108793609A CN108793609A CN201810716204.3A CN201810716204A CN108793609A CN 108793609 A CN108793609 A CN 108793609A CN 201810716204 A CN201810716204 A CN 201810716204A CN 108793609 A CN108793609 A CN 108793609A
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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
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
-
- 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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F3/32—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)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention belongs to technical field of sewage, and in particular to a kind of method of urban rainwater management and processing.The method of the present invention includes the following steps:The processing of pretreatment unit:Water is intercepted by inlet filter and perimeter filter device, filtering, adsorbs and absorb suspended matter and pollutant in water;The processing of wetland unit:Pretreated water enters wetland unit by diversion pipe of intaking, and suspended matter and pollutant in absorption water are intercepted through the fill composition in the module of over-wet land;Wetland unit and exhaust unit are entered by bypath system when water flow is larger;The control and discharge of exhaust unit:Water is discharged and is adjusted flow by water output duct after wetland unit processing, enters discharge centralized pool through water output duct, water is discharging centralized pool after filtering, by outlet pipe removal system.The method operation and maintenance simplicity of the present invention introduces bypass duct, enhances the adaptability in heavy rain season, introduces artificial wet land system, municipal greening can be taken into account while handling overland flow.
Description
Technical field
The invention belongs to technical field of sewage, and in particular to a kind of method of urban rainwater management and processing.
Background technology
Mainly there are two troubling reasons for overland flow:One the reason is that flow is big, flow velocity is fast;Another reason is
Carry a large amount of sewage and pollutant.High flow and high flow velocity may cause erosion and flood;Overland flow can will be dirty
Water and pollutant bring river and brook into, hence into lake, wetland and more location, eventually enter into ocean.Overland flow
The sewage and pollutant of carrying can cause harmful effect to Environmental Health and the ecological balance.
With the continuous exposure of environmental problem, the amount that can be discharged into environment sewage and pollutant is allowed to be strictly controlled,
Stringent control is discharged into the flow and flow rate of existing drainage system or drainage infrastructure simultaneously, and this requires new integrated systems to come
Overland flow is handled, the device and method that can reduce or remove the sewage and pollutant that are carried in overland flow seem particularly heavy
It wants, is received significant attention using natural method, artificial or artificial method removal pollutant, some successful stories include rubbish
Processor, sedimentation basin, regulating reservoir, wetland, diafiltration ditch, marshland, various types of filter devices, various natural filtration systems are such as
Sand filter, integrated filter include natural wetland and artificial swamp.These systems are usually removed with one or more mechanism
Sewage and pollutant.These mechanism include deposition, filtering, absorption and sorption, flocculation, stripping, elution, biological prosthetic, chemical method
Including redox, ion exchange, precipitation.Artificial swamp purpose is to minimize the surface of medium by minimizing size
Product, the time of contact of the biomembrane grown on reductionizations and medium, while sufficiently large medium is provided in order to avoid gap is taken by sewage
The deposit of band blocks, to keep system effectively to run.Therefore, as applicability the problem of, is discharged into wetland in Jiang Shui
Removal deposit as much as possible is meaningful before system.It includes foot to design an effective processing system in this respect
Enough grids remove rubbish and fragment, provide enough settlement spaces and the time makes a return journey oil removal, to by the work of wetland
With amplification.There may be high concentration specific pollutants according to certain processing positions, specifically be formulated for the performance of strengthening system, wrap
Filter, addition media unit, aeration, bio-remediation system, rinse-system, mixing concetrated pipe are included, and then enhances removal ability.
To solve the soil that urban district shortage builds sewage disposal system, in conjunction with municipal Urban Greening, it is desirable to provide a kind of tool
Standby high efficient and reliable, the urban rainwater management for building the advantages that maintenance cost is low and reasonable for structure and processing system handle rainwater and/
Or the method for sewage, it is mainly used for the hard grounds communal facility such as parking lot, park, processing overland flow, beautification ring can be played
The effect in border.
Invention content
In view of this, the purpose of the present invention is to provide a kind of methods of urban rainwater management and processing.This method is run
Easy maintenance is not easy silting, introduces artificial wet land system, can be good at combining with city's supply and drain water system, handles overland flow
While can take into account municipal greening.
To achieve the above object, the technical scheme is that:
The method of urban rainwater management and processing, urban rainwater management include that sequentially connected pretreatment is single with processing system
Member, wetland unit and exhaust unit;The pretreatment unit includes pretreatment pool, and the pretreatment tank upper opening simultaneously installs inspection
Door is repaiied, inlet filter is installed under the pretreatment tank opening, perimeter filter device is set in the middle part of the pretreatment tank, it is described pre-
Processing pond water inlet is installed by water inlet pipe, the pretreatment tank water outlet installation water inlet diversion pipe, on the water inlet diversion pipe
Flow control valve is installed, the water inlet diversion pipe is one or more of, and the water inlet diversion pipe stretches out the pretreatment tank simultaneously
It takes the shape of the letter U in the wetland unit, water distributing pore is evenly distributed on the water inlet diversion pipe;The wetland unit includes wetland mould
There is pool wall at block, the wetland module four sides, template or multistage template is provided with outside the pool wall and bottom surface, the template is in straight
Angular or elbow;The exhaust unit includes discharge centralized pool, and the discharge centralized pool water inlet is equipped with water output duct,
In a ring, one end is provided with uniform hole to the water output duct in the wetland unit, and one end is in the discharge centralized pool
And be provided with outlet, the water output duct is provided with parallel branch's water output duct in the discharge centralized pool, it is described go out
Flow control valve is installed, the discharge centralized pool water outlet installs outlet pipe, filtering is installed on the outlet pipe on water conduit
Net, the discharge centralized pool top surface cover glass or fixed door;
Using the water method of urban rainwater management and processing system processing, include the following steps:
1) processing of pretreatment unit:Water is intercepted by inlet filter and perimeter filter device, filtering, adsorbs and absorb water
Middle suspended matter and pollutant;
2) processing of wetland unit:Pretreated water enters wetland unit by diversion pipe of intaking, through over-wet land module
In fill composition intercept absorption water in suspended matter and pollutant;Wetland list is entered by bypath system when water flow is larger
Member and exhaust unit;
3) control and discharge of exhaust unit:Water enters discharge centralized pool through water output duct after wetland unit processing, goes out
When the discharge capacity of water is to control the hydraulic retention in wetland unit after flow-rate adjustment valve regulation flow control processing on water conduit
Between, water is discharging centralized pool after filtering, by outlet pipe removal system.
The water that the water of ground inflow can be handled in pretreatment unit and flowed by water inlet pipe, wherein filter interior are filled
Filler provides attachment surface while intercepting, adsorb suspended matter for microorganism growth, in physics, chemistry, biological effect synergistic effect
Under, the pollutants such as dirty water part organic matter, nitrogen, phosphorus and suspended matter are removed, high removal rate is kept to various pollutants, is wrapped
Include total suspended matter, total phosphorus (particle and soluble), total nitrogen (different shape and valence state), heavy metal, soluble metal and
Pathogen.
Water by entering wetland unit from the water distributing pore of water inlet diversion pipe mainly flows through wetland unit in the form of plug-flow,
Vertical current and plug-flow form is mainly presented in the water for entering wetland unit by bypath system water distributing pore.In the processing of wetland unit
Fill composition and root system of plant intercept rainwater under suction-operated and/or the suspension in sewage in gravity, wetland module
Object is further removed;By the way that anaerobic reaction and oxygen and aerobic reaction, same occurs with the microorganism of the growth in fill composition
Change effect collaboration further removes dirty water pollutant.
Exhaust unit can be by adjusting Flux Valve Control discharge capacity, and then the hydraulic detention time of control system.
Water outlet into exhaust unit can be stored in after unit filtering for municipal greening water, can also be discharged into as needed attached
Close soil or municipal wastewater collect pipe network.
Further, the bypath system is made of at least two bypass ducts, and left and right is arranged in parallel, and is filled in bypass duct
It is filled with filter device, the bypass duct is uniformly arranged water distributing pore on the pipeline in the wetland unit.
The bypath system is made of at least two bypass ducts, is had been able to normally to prevent system after a line clogging
It uses, filter device is filled in bypass duct.The bypath system is connected to pretreatment unit and exhaust unit, may be implemented
The effect of drainage cell is directly entered after sewage disinfection treatment around the processing of wetland unit, can effectively avoid system that waterlogging occurs,
Enhancing system impact resistance, while enhancing adaptability of the system under different water environments.
Further, the fill composition includes pomelo peel, compound bacteria, magnetic phosphorus adsorbent and rubble.
Further, the fill composition is made of compound bacteria, pomelo peel, magnetic phosphorus adsorbent and rubble;It is described compound
Bacterium, pomelo peel, magnetic phosphorus adsorbent and rubble quality be 0.5~1:1~5:3~10:30~50.
As a preferred embodiment, the fill composition is made of compound bacteria, pomelo peel, magnetic phosphorus adsorbent and rubble;Institute
The quality for stating compound bacteria, pomelo peel, magnetic phosphorus adsorbent and rubble is 0.5~0.8:2~4:5~10:35~45.
Pomelo peel in the fill composition is the pomelo peel discarded, and it is different size as needed to crush pomelo peel
Shaddock leatner seal.Pomelo peel is full of nutrition, contains very abundant protein, organic acid, vitamin and calcium, phosphorus, magnesium, sodium
Element necessary to equal human bodies, the microorganism that can be grown for compound bacteria and in filler provide abundant nutrient, have sea on pomelo peel
Continuous matter, because there are a large amount of porous masses to have good suction-operated, even if being ground into powdery, porous mass in spongioplasm
Still exist, pore size is 2-20 μm, in pomelo peel and composition other fillers can preferably adsorb together suspended matter and
Pollutant provides attachment surface for microorganism growth, so by interception, absorption and absorption go oil removal and nitrogen phosphorus etc. its
His pollutant.
The magnetic phosphorus adsorbent of addition, convenient for separation regeneration while consolidation system dephosphorization function.
The fill composition plant different with plantation of wetland unit setting, and then the processing capacity of consolidation system.
Further, the compound bacteria includes by weight:2~8 parts of nitrobacteria, 1~5 part of polyP bacteria, desulfurization bacterium 1~
3 parts, 5~10 parts of bacillus, 1~5 part of Bifidobacterium, lactic acid bacteria 8~15, saccharomycete 5~10 and actinomyces are 1~5 part.
As a preferred embodiment, the compound bacteria includes by weight:2~5 parts of nitrobacteria, takes off 1~3 part of polyP bacteria
1~3 part of sulphur bacterium, 5~8 parts of bacillus, 2~5 parts of Bifidobacterium, lactic acid bacteria 10~15, saccharomycete 5~10 and actinomyces are 2
~5 parts.
The above compound bacteria can be grown in aerobic, anaerobism or facultative environment, be not in flora when carrying out water process
The phenomenon that decline, and water process stink is relatively low, it is also extremely advantageous to space environment.
When wetland unit handles water, wherein microorganism and flora is easily influenced by life condition, and stability is poor, is continued in this way
The effect of processing water will be deteriorated, and such as to be safeguarded by way of supplementing flora can cause cost to increase, filler group of the invention
It closes the compound bacteria being added in object and solves the problems, such as the decline of strain in wetland module, water treatment efficiency is good, can continue to handle.
Further, the flow of the water inlet diversion pipe is 5m3/ h~8m3The flow of/h, the water output duct are 2m3/ h~
4m3/h。
The flow of control water inlet diversion pipe and water output duct can guarantee hydraulic retention amount and residence time in wetland unit, with
Ensure the growing environment of the plant of wetland unit and the phenomenon that flora decline will not occur because of the factor of water, city rain can be made
Water management holds processing water with processing system.
In the present invention urban rainwater management be that multiple systems or unit combine in processing system practical layout, handle water
With it is efficient.
Further, partition board wetland unit setting and have different depth level;Wetland unit bottom setting with
There are baffle plate, wetland surface grafting water purification plant.
Partition board provides environment for plant growth, is conducive to the moisture for safeguarding the wetland unit high point, and high-moisture contains
Amount is beneficial to the growth of microorganism in the wetland unit, preferably forms biomembrane, can ensure to remove pollutant.Baffling
Plate primarily serves extension flow path, increases the effect of hydraulic detention time.
Water inlet enters wetland unit by water inlet diversion pipe, the fill composition composition that horizontal will pass through below plant
Wetland bed body, fill composition build aerobic or Anaerobic Treatment environment, different types of microorganisms can be suitble to grow, this is slightly
Biology plays the role of conclusive in terms of absorption, absorption and transfer specific pollutants.
Wetland unit is by reinforcing its processing capacity in wetland surface grafting plant.The breeding of plant and grow it
Root system extends to the various pieces of wetland unit cavity.Root system can help:Near from surface translocation oxygen to root zone, build suitable
The environment for closing growth of aerobic microorganisms, to strengthen the removal effect to pollutant, plant goes to decontaminate by assimilation in addition
Contaminate object.
Precipitation continues to occur in wetland unit.The suspended matter of bulky grain will be attracted to the pore surface of filler.
Small granular suspended matters and soluble pollutants will be by chemistry and biological effect by absorption, transfer and consumption.It is removed for filler
Dissolubility pollutant such as particle phosphorus and metal, biological nitration and denitrification can be in plant bed internal generations.Planting
On wetland unit filler surface, the dissolved organic matter that plant depends in sewage maintains growth, and passes through bio assimilated effect
Intake, absorption and sorption pollutant.Plant enhances removal fine deposit, metal, nutritive salt, bacterium and virus.According to wetland unit
The processes such as ion exchange, absorption and absorption, the kind used according to filler will occur for the specific feature of interior filler and plant and root system
Class and ratio, treatment effeciency are also different.
Further, the wetland module is a kind of or more by current wetland, stable surface-flow, three-dimensional compound wetland module
Kind assembles, can be according to different use environments and processing requirement, by the wetland module assembled at shapes such as L, S, U.
Further, the perimeter filter device is made of metal net mask, is mounted on the bottom plate of the pretreatment tank, the gold
Belong to guard there are four metope and a bottom surface, there are an inside and outside double layer of metal wall in each metope and bottom surface, before metal inner-outer wall
Constitute the space of filling filler.
As a preferred embodiment, the filter is made of metal net mask, it is mounted on the bottom of pretreatment pool in pretreatment unit
On plate.There are four metope and a bottom surfaces for the metal net mask, there are inside and outside double layer of metal wall in each metope and bottom surface.Pretreatment
The distance between metal net wall centimetre is differed from several centimetres to tens on the outside of bay wall wall and perimeter filter device.Between metal inner-outer wall
Constitute the space of filling filler so that filler is included between two layers of wall.The distance between inside and outside double layer of metal wall is from two lis
Rice is differed to tens centimetres, in order to adapt to the different size of filler.
Further, it is separated with water-stop sheet between the wetland unit and the drainage cell, the water output duct passes through institute
State water-stop sheet.
The beneficial effects of the present invention are:
1) method processing rainwater and/or sewage anti-impact force provided by the invention are strong, floor space is small, construction cost is low,
Operation and maintenance are easy, are not easy silting, for the big feature of municipal overland flow flowed fluctuation, introduce bypass duct, enhance sudden and violent
The adaptability in rainy season,
2) method of the invention administers City surface runoff in the case where not increasing basis and implementing land used, introduces Manual moist
Ground system, and wet land system can use modular linear to assemble, and can be good at combining with city's supply and drain water system, handle surface diameter
Municipal greening can be taken into account while stream.
Description of the drawings
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 are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is urban rainwater management of the present invention and processing system sectional view.
Fig. 2 is urban rainwater management of the present invention and processing system vertical view.
Fig. 3 is the left view of urban rainwater management and processing system pretreatment unit of the present invention.
Fig. 4 is urban rainwater management of the present invention and processing system pretreatment unit filter plate schematic diagram.
Fig. 5 is urban rainwater management of the present invention and processing system practical layout figure.
Reference numeral:
Wherein 1 is plant, and 2 be bypass conduit, and 3 be grid, and 4 be inlet filter, and 5 be perimeter filter device, and 6 be water inlet
Pipe, 7 be water inlet diversion pipe, and 8 be wetland bed body, and 9 be baffle plate, and 10 be prefabricated filler plate, and 11 be outlet pipe, and 12 be flow-rate adjustment
Valve, 13 be water output duct, and 14 be water distributing pore, and 15 be wetland surface, and 16 be maintenance door, and 17 be water-stop sheet, and 18 be pretreatment unit,
19 be wetland unit, and 20 be exhaust unit, and 21 be filter plate.
Specific implementation mode
Hereinafter reference will be made to the drawings, and the preferred embodiment of the present invention is described in detail.Tool is not specified in preferred embodiment
The experimental method of concrete conditions in the establishment of a specific crime, usually according to normal condition, illustrated embodiment are to preferably be said to present disclosure
It is bright, but be not that present disclosure is only limitted to illustrated embodiment.So those skilled in the art are according to foregoing invention
Content carries out nonessential modifications and adaptations to embodiment, still falls within protection scope of the present invention.
1 urban rainwater management of embodiment and processing system
As shown in Figure 1 to 4, urban rainwater management and processing system, including sequentially connected pretreatment unit 18, wetland
Unit 19 and exhaust unit 20, the pretreatment unit 18 include pretreatment pool, and the pretreatment tank upper opening simultaneously installs inspection
Door 16 is repaiied, inlet filter 4 is installed under the pretreatment tank opening, water inlet pipe 6, institute are installed in the pretreatment tank water inlet
Pretreatment pool water outlet installation water inlet diversion pipe 7 is stated, flow control valve, the water inlet water conservancy diversion are installed on the water inlet diversion pipe
Pipe 7 is one or more of, and the water inlet diversion pipe 7 stretches out the pretreatment tank and takes the shape of the letter U in the wetland unit 19, institute
It states into being evenly distributed with water distributing pore 14 on water diversion pipe 7;The wetland unit 19 includes wetland module, the wetland module four sides
There is pool wall, template or multistage template is provided with outside the pool wall knead dough, the template is rectangular in shape or elbow;The discharge
Unit 20 includes discharge centralized pool, and the discharge centralized pool water inlet is equipped with water output duct 13, and the water output duct 13 is in
Annular, one end are provided with uniform hole in the wetland unit 19, and one end is in the discharge centralized pool and is provided with discharge
Mouthful, the water output duct 13 is provided with parallel branch's water output duct 13 in the discharge centralized pool, on the water output duct
Flow control valve 12 is installed, the discharge centralized pool water outlet installs outlet pipe 11, installs filter screen on the outlet pipe, institute
Discharge centralized pool top surface cover glass or fixed door are stated, to overhaul and clean sediment.
Preferably, the pretreatment tank top surface is equipped with grid 3 or the infiltrative filter membrane of installation, the grid 3 or
Filter membrane is mainly used for overland flow importing the pretreatment tank, while removing the suspended matter of its carrying, the pretreatment tank
Right upper portion is equipped with bypass duct 2, and the bypass duct 2 passes through the outlet of the wetland unit 19 to be arranged in the exhaust unit 20
On, setting perimeter filter device 5 in the middle part of the pretreatment tank, setting filter plate 21 is mounted on wall or the bottom of the pretreatment tank
Face is freely placed in pond.
Preferably, the bypass duct 2 is at least arranged two, left and right is arranged in parallel, to ensure a wherein side
Road pipeline 2 block after system still can normal use, when flow be more than 19 desired value of the wetland unit or just in case described in
After bypass duct 2 blocks, flow directly gets around the outflow of the wetland unit 19.
Preferably, the bypass duct 2 is uniformly arranged the water distributing pore 14 on the pipeline in the wetland unit 19,
So that part flow can smoothly enter into the wetland unit 19, the water distributing pore 14 forms independent bypath system.
Preferably, the perimeter filter device 5 is made of metal net mask, it is mounted on the bottom plate of the pretreatment tank, institute
Stating metal net mask, there are four metope and a bottom surfaces, there are inside and outside double layer of metal wall, the metal mesh in each metope and bottom surface
Cover provides attachment surface for microorganism growth, and then goes other dirts such as oil removal and nitrogen phosphorus by interception, absorption and absorption
Contaminate object.
Sewage enters the inlet filter 4 installed in the pretreatment tank, the entrance at first by the grid 3
The function of filter 4 is pre-processed to the sewage of entrance, as the device for intercepting and absorbing, for solid, sediment, paper
Bits, rubbish and other fragments, then flow into the pretreatment tank again, sediment, suspended matter and generation pollution in sewage etc.
After substance is filtered by the perimeter filter device 5 and the filter plate 21 again, it is deposited to the bottom of the pretreatment tank.The mistake
The seepage flow hole guidance tape that the perpendicular and horizontal maximization of filter plate 21 is opened, so that flow can be easily to all directions described in
Filter plate 21, matrix structure make the interstitial space between six faces maximize, and then maintain high porosity, more than 50%,
Filter plate has seepage of water, flow can be easily by filter plate 21, and one or more filter plates 21 can be described
It is used in combination in pretreatment pool, mobile and replacement is all very convenient.
Preferably, the wetland module by current wetland, stablize surface-flow, three-dimensional compound wetland module it is a kind of or
Multiple combinations assemble, can be according to different use environments and processing requirement, by the wetland module assembled at shapes such as L, S, U
Shape, by the way that the wetland module is added to system so that 19 length of the wetland unit, hydraulic detention time and flow path
All increase, and then improves removal rate and system processing power;Modularization can make whole construction cost reduce, to most
Small cost improves processing capacity, while the wetland module is linked together by different attachment devices so that assembling is high
It imitates and is easy.
Preferably, being equipped with the partition board made of stones 10 of different level in the middle part of the wetland module, bottom is equipped with baffle plate 9,
Water purification plant 1 is planted on 15 kinds of wetland surface, and the partition board 10 made of stones is the plant in 15 following certain depth of wetland surface
1 growth provides attachment surface;The baffle plate 9 primarily serves extension flow path, increases the effect of hydraulic detention time.
The partition board 10 made of stones of different level is installed in the wetland unit 19 and provides ring for the growth of the plant 1
Border, this physical features of the partition board 10 made of stones are beneficial to safeguard the moisture of 19 high point of the wetland unit, and high
Moisture is beneficial to the growth of microorganism in the wetland unit 19, preferably forms biomembrane, can ensure to decontaminate
Contaminate object.After water inlet enters the wetland unit 19 by the penstock 7, it horizontal will pass through 1 lower section of the plant
The wetland bed body 8 being made of rubble or other filter packings, these rubbles and other filter packings build it is aerobic or
Anaerobic Treatment environment can be suitble to different types of microorganisms to grow, these microorganisms are in absorption, absorption and transfer specific pollutants side
Face plays the role of conclusive.
Flow control valve 12, controllable flow rate, and then regulating system hydraulic detention time are installed on the water output duct 13.
Preferably, being separated with water-stop sheet 17 between the wetland unit 19 and the drainage cell 20, the water outlet is led
Pipe 13 passes through the water-stop sheet 17.
The inflow and displacement of the system are controlled by the flow control valve 12 on the water output duct 13, sewage
After the processing of the wetland unit 19, enters the discharge into the water output duct 13 with the water distributing pore 14 and concentrate
In pond, sewage is concentrated in the discharge centralized pool refilter after, then through 11 removal system of the outlet pipe, complete at purification
Reason.
Pass through above-described embodiment, it can be deduced that:The urban rainwater management of the present invention and processing system, anti-impact force is strong, accounts for
Ground area is small, construction cost is low, operation and maintenance are easy, is not easy silting, for the big feature of municipal overland flow flowed fluctuation, draws
Enter bypass duct, enhance the adaptability in heavy rain season, City surface is administered in the case where not increasing basis and implementing land used
Runoff introduces artificial wet land system, and wet land system is assembled using modular linear, can be good at and city's supply and drain water system knot
It closes, municipal greening can be taken into account while handling overland flow.
The method of 2 urban rainwater management of embodiment and processing system processing rainwater and/or sewage
The method of urban rainwater management and processing system processing rainwater and/or sewage, includes the following steps:
1) processing of pretreatment unit:Rainwater and/or sewage intercepted by inlet filter and perimeter filter device, filtering,
Suspended matter and pollutant in absorption and absorption water;
2) processing of wetland unit:Pretreated water enters wetland unit by diversion pipe of intaking, through over-wet land module
In fill composition intercept absorption water in suspended matter and pollutant;
Exhaust unit is entered by bypath system when water flow is larger, flow can pass through the bypass duct of bypath system
Water distributing pore enters wetland bed body;The bypass duct is at least arranged two, and left and right is arranged in parallel, to ensure a wherein side
System still being capable of normal use after the line clogging of road;
The bypath system is made of at least two bypass ducts, is had been able to normally to prevent system after a line clogging
It uses, filter device is filled in bypass duct.Bypath system may be implemented to bypass the processing of wetland unit after sewage disinfection treatment
It is directly entered the effect of drainage cell, can effectively avoid system that waterlogging occurs, enhances system impact resistance, while enhancing and being
Adaptability of the system under different water environments.
The fill composition is made of compound bacteria, pomelo peel, magnetic phosphorus adsorbent and rubble;The compound bacteria, shaddock
The quality of skin, magnetic phosphorus adsorbent and rubble is 0.5~0.8:2~4:5~10:35~45.Wherein, compound bacteria is by weight
Including:2~5 parts of nitrobacteria, 1~3 part of polyP bacteria, 1~3 part of desulfurization bacterium, 5~8 parts of bacillus, 2~5 parts of Bifidobacterium,
Lactic acid bacteria 10~15, saccharomycete 5~10 and actinomyces are 2~5 parts.
Wetland mould fill composition in the block includes magnetic phosphorus adsorbent, while consolidation system dephosphorization function convenient for point
From regeneration, filler can build a kind of environment of suitable micro-organisms growth, and then the removal for improving the wetland unit is special
The ability of different pollutant.Compound bacteria can be grown in aerobic, anaerobism or facultative environment, after tested will not when carrying out water process
There is the phenomenon that flora decline, and water process stink is relatively low, it is also extremely advantageous to space environment.Crushing is used in fill composition
Pomelo peel afterwards, because there are a large amount of porous masses to have good suction-operated in the spongioplasm of pomelo peel, with other fillers
Suspended matter and pollutant can be preferably adsorbed together, provide attachment surface for microorganism growth, and then pass through interception, absorption and absorption
Other pollutants such as oil removal and nitrogen phosphorus are removed in effect.
The flow of control water inlet diversion pipe is 5m3/ h~8m3/ h, it is 2m that control water output duct, which be flow,3/ h~4m3/h。
The flow of control water inlet diversion pipe and water output duct can guarantee hydraulic retention amount and residence time in wetland unit, to ensure wetland
The growing environment of the plant of unit and the phenomenon that flora decline will not occur because of the factor of water, with can make urban rainwater management with
Processing system holds processing water.
3) control and discharge of exhaust unit:Water enters discharge centralized pool through water output duct after wetland unit processing, goes out
When the discharge capacity of water is to control the hydraulic retention in wetland unit after flow-rate adjustment valve regulation flow control processing on water conduit
Between, water is discharging centralized pool after filtering, by outlet pipe removal system.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (10)
1. the method for urban rainwater management and processing, which is characterized in that urban rainwater management includes being sequentially connected with processing system
Pretreatment unit, wetland unit and exhaust unit;The pretreatment unit includes pretreatment pool, and the pretreatment tank top is opened
Mouthful and installation and repairing door, inlet filter is installed under the pretreatment tank opening, periphery mistake is set in the middle part of the pretreatment tank
Filter, the pretreatment tank water inlet install water inlet pipe, the pretreatment tank water outlet installation water inlet diversion pipe, it is described into
Flow control valve is installed, the water inlet diversion pipe is one or more of, described in the water inlet diversion pipe stretching on water diversion pipe
Pretreatment pool simultaneously takes the shape of the letter U in the wetland unit, and water distributing pore is evenly distributed on the water inlet diversion pipe;The wetland unit
Including wetland module, there is pool wall at the wetland module four sides, and template or multistage template, institute are provided with outside the pool wall and bottom surface
Template is stated to be rectangular in shape or elbow;The exhaust unit includes discharge centralized pool, the discharge centralized pool water inlet installation
There is water output duct, in a ring, one end is provided with uniform hole to the water output duct in the wetland unit, and one end is in the row
Outlet is put in centralized pool and is provided with, the water output duct is provided with parallel branch's water outlet in the discharge centralized pool and leads
Pipe, installs flow control valve on the water output duct, the discharge centralized pool water outlet installation outlet pipe, on the outlet pipe
Filter screen, the discharge centralized pool top surface cover glass or fixed door are installed;
Using the water method of urban rainwater management and processing system processing, include the following steps:
1) processing of pretreatment unit:Water is intercepted by inlet filter and perimeter filter device, is hanged in filtering, absorption and absorption water
Float and pollutant;
2) processing of wetland unit:Pretreated water enters wetland unit by diversion pipe of intaking, through in the module of over-wet land
Fill composition intercepts suspended matter and pollutant in absorption water;When water flow is larger by bypath system enter wetland unit and
Exhaust unit;
3) control and discharge of exhaust unit:Water enters discharge centralized pool through water output duct after wetland unit processing, and water outlet is led
The discharge capacity of water is to control the hydraulic detention time in wetland unit, water after flow-rate adjustment valve regulation flow control processing on pipe
Centralized pool is being discharged after filtering, by outlet pipe removal system.
2. according to the method described in claim 1, it is characterized in that, the bypath system is by least two bypass duct structures
At left and right is arranged in parallel, and filter device is filled in bypass duct, the bypass duct is on the pipeline in the wetland unit
It is uniformly arranged water distributing pore.
3. according to the method described in claim 1, it is characterized in that, the fill composition includes pomelo peel, compound bacteria, magnetism
Phosphorus adsorbent and rubble.
4. according to the method described in claim 3, it is characterized in that, the fill composition is by compound bacteria, pomelo peel, magnetic phosphorus
Adsorbent and rubble composition;The compound bacteria, pomelo peel, magnetic phosphorus adsorbent and rubble quality be 0.5~1:1~5:3~
10:30~50.
5. according to the method described in claim 4, it is characterized in that, the compound bacteria includes by weight:Nitrobacteria 2~
8 parts, 1~5 part of polyP bacteria, 1~3 part of desulfurization bacterium, 5~10 parts of bacillus, 1~5 part of Bifidobacterium, lactic acid bacteria 8~15, yeast
Bacterium 5~10 and actinomyces are 1~5 part.
6. according to the method described in claim 1, it is characterized in that, the flow of the water inlet diversion pipe is 5m3/ h~8m3/ h, institute
The flow for stating water output duct is 2m3/ h~4m3/h。
7. according to the method described in claim 1, it is characterized in that, wetland unit setting with have different depth it is horizontal every
Plate;The wetland unit bottom is arranged and has baffle plate, wetland surface grafting water purification plant.
8. according to the method described in claim 1, it is characterized in that, the wetland module by current wetland, stablize surface-flow,
Three-dimensional compound wetland module is one or more to be assembled, can be according to different use environments and processing requirement, will be described
Wetland module assembled is at shapes such as L, S, U.
9. according to the method described in claim 1, it is characterized in that, the perimeter filter device is made of metal net mask, it is mounted on
On the bottom plate of the pretreatment tank, the metal net mask is there are four metope and a bottom surface, in each metope and bottom surface have
Outer double layer of metal wall, metal inner-outer wall constitute the space of filling filler before.
10. according to the method described in claim 1, it is characterized in that, between the wetland unit and the drainage cell with every
Water plate separates, and the water output duct passes through the water-stop sheet.
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