Built-up areas dispersion rainfall runoff stores row's integral system and its application process only
The present invention relates to hydraulic engineering and field of environment engineering；
More particularly to a kind of built-up areas dispersion rainfall runoff stores row's integral system only；
The invention further relates to the application processes that above-mentioned built-up areas dispersion rainfall runoff stores row's integral system only.
" the sponge city " for building nature accumulation, naturally osmotic and self-purification is the newest urban construction theory in China,
The important content of Ecological Civilization Construction, give full play to the ecosystems such as building, road, greenery patches and water system to the receiving of rainwater,
Storage blends slow releasing function, using " ooze, it is stagnant, store, net, use, row " etc. multiple technologies measure, realize to runoff volume, runoff peak value
Time of occurrence, the control of runoff pollution and the promotion of rainwater resources utilization embody urbanization and environmental resource coordinated development.
Carrying out " cavernous body " transformation to built-up areas is the important content of sponge urban construction, and the part being most difficult to.It builds up
Area especially old town, the density of population is high, and site coverage is big, and hardened ground rate is high, and green percentage is low, and pollution of area source is serious, and builds
Build build the age differ, condition is different, and underground utilities are intricate, it is desirable to building, road etc. progress " roof greening ",
Transformations such as " permeable pavements ", are especially transformed one residential, it is also necessary to obtain the agreement of resident, enforcement difficulty is big, changes
Make costly, maintenance costs is difficult to implement.It is difficult to carry out " cavernous body " transformation inside built area especially old town plot, is
Realize the control to targets such as built area's runoff volume, runoff peak value time of occurrence and runoff pollutions, it is necessary to consider from plot
Outside takes measures.
Built area is substantially all-around development, when rainwater discharge is not limited by landform, mostly uses discharge principle nearby greatly, street
Rain pipe dispersion in mill is discharged into river nearby, takes measures in every rainwater pipe end unrealistic, and rain is arranged along the river
Supply mains, because laying rainwater manifold without place or road along the river, especially old town part building directly build the shield in river in
On the bank, implement also highly difficult.In conclusion in order to solve runoff volume control, runoff pollution is cut down, is prolonged after runoff peak value
And using cleaning rainwater resource, finds a kind of built-up areas dispersion rainfall runoff and stores that arrange integral system very necessary only.
In view of various deficiencies of prior art described above, the technical problem to be solved in the present invention is that providing one kind builds up
It distinguishes scattered rainfall runoff and stores row's integral system and its application process only, to realize runoff volume control, runoff pollution reduction, diameter
It extends to utilize cleaning rainwater resource after stream peak value.
In order to achieve the above objects and other related objects, a kind of built-up areas dispersion rainfall runoff of present invention offer stores row one only
Body system, including the pre- net pond of first rain and moderate rain storage pond, the rainwater conflux manifold being laid with along river is by the rainwater branch of built-up areas
It is respectively connected to the just pre- net pond of rain and moderate rain storage pond, debris retaining area, solid point are equipped with successively in the just pre- net pond of rain after pipe connection
From area, oil slick area, particle filtering area, aerobic mixed zone, secondary filter area and gathering ground, gathering ground is equipped with reuse mouth and discharge
Mouthful；The areas Lan Wu, storage pond and catchment are equipped in moderate rain storage pond successively.
Preferably, it is equipped with garbage grille in the debris retaining area and the areas Lan Wu.
Preferably, inclined plate or inclined tube filler structure inclined-plate clarifying basin or tube settling are installed in the solid Disengagement zone
The filling rate of pond, inclined plate or inclined tube is 40~60%.
Preferably, filter medium is equipped in the particle filtering area, the filter medium is geotextiles, circle passes through filter,
Quartz sand, zeolite are any.
Preferably, it is stirred simultaneously by oxygen-increasing device to its oxygenation aeration equipped with aeration tube in the aerobic mixed zone
Preferably, it is equipped with tracheae in the area that regulates and stores, aeration mixing periodically is carried out to water body.
The present invention also provides the application process that above-mentioned built-up areas dispersion rainfall runoff stores row's integral system only, the just rain
The first valve that pre- net pond is connected with rainwater conflux manifold is normally opened, the moderate rain storage be connected with rainwater conflux manifold with pond second
Valve is normally closed, and the third valve that the rainwater conflux manifold is connected with river is normally closed, and rainwater is by rainwater conflux manifold through first
Valve enters to flow to just in the pre- net pond of rain, and the first water-level gauge in the pre- net pond of rain show originally when reaching preset water level, closing first
Valve, and the second valve is opened, rainwater enters moderate rain storage pond；Reach default when the second water-level gauge in moderate rain storage pond is shown
When water level, the second valve is closed, and open third valve, follow-up rainwater is directly discharged into river.
Further, flusher is equipped in the solid Disengagement zone, after area's water body emptying, therefrom using flusher
Rain storage is fetched water with pond and rinses area's bottom of pond.
Further, in the gathering ground, if effluent quality reaches reuse requirement, the valve of reuse mouth is opened；If water outlet
Reuse requirement is not achieved in water quality, opens the valve of floss hole.
Further, first water-level gauge and the second water level are calculated as any of ultrasonic wave, electromagnetism or floating ball lever meter.
By above technical scheme, the present invention has the following technical effects compared to the prior art：The present invention is according to earth's surface
It is pre- net will to disperse rain at the beginning of the rainwater discharged is delivered to respectively by the manifold that converges along the river for the pollution level of runoff in the neighbour of built-up areas
In pond and moderate rain storage pond, reduces the runoff volume in river and delay runoff peak value time of occurrence, alleviate the water logging control pressure in region
Power；First rain runoff enters in the pre- net pond of first rain, carries out preliminary purification to contaminated rainwater, rain returns first rain runoff after stopping
With or further purified treatment, effectively cut down runoff pollution enter river, river training water quality；Cleaning rainwater in moderate rain storage pond can be straight
Use is taken back, the use of tap water is substituted, efficiently uses cleaning rainwater resource, the rain-out in moderate rain storage pond can also be utilized
The first pre- net pond of rain；Meanwhile the first pre- net pond of rain is alternatively arranged as neighbour's accident pool, stores accident flushing water, is allowed to not flow into river, keep away
Exempt from the influence to water body.
Description of the drawings
Fig. 1 is shown as the arrangement schematic diagram of the present invention；
Fig. 2 is shown as the structural schematic diagram of the present invention.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
It please refers to Fig.1 to Fig. 2.It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to
Coordinate the revealed content of specification, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
Refering to fig. 1 and shown in Fig. 2, a kind of built-up areas dispersion rainfall runoff of present invention offer stores row's integral system 6, packet only
The just pre- net pond 7 of rain and moderate rain storage pond 8 are included, built-up areas are dispensed into the rainwater branch in river by the rainwater conflux manifold 2 being laid with along river
Pipe 1 is connected to, and the dispersion rainfall runoff that the rainwater of built-up areas is delivered to topography lower by rainwater conflux manifold 2 stores row one only
In body system 6.Rainwater branch pipe 1 mainly collect built-up areas in rainwater, nearby dispersion be discharged into river, can be used pipe of concrete,
HDPE, HRPP, UPVC and FRP sand tube etc..Rainwater conflux manifold 2 is laid along river, and each rainwater branch pipe 1 is connected.
The pipe is generally laid in river flood control channel or greenbelt, if being laid without place, can be laid in river internal frame pipe, pays attention to pipe
The sealing in road and the gradient.Generally using pipe of concrete, HDPE, HRPP, UPVC and FRP sand tube etc., concrete can also be used
Under normal conditions, the first valve 3 that the pre- net pond 7 of first rain is connected with rainwater conflux manifold 2 is normally opened, and moderate rain, which stores, uses pond 8
The second valve 4 being connected with rainwater conflux manifold 2 is normally closed, and the third valve 5 that rainwater conflux manifold 2 is connected with river is normally closed.
The initial stage of raining, within the scope of 2 charges for remittance of rainwater conflux manifold before the rainwater of 8~10mm or rainfall 20~30min rainwater, because of its dirt
It is higher to contaminate object concentration, should not directly utilize, rainwater enters to flow to the just pre- net pond of rain 7 by rainwater conflux manifold 2 through the first valve 3
In.Rainfall gradually increases, and the rainwater that rainwater conflux manifold 2 is conveyed gradually cleans, originally the first water-level gauge 7- in the pre- net pond of rain 7
16 displays reach preset water level, then the first valve 3 are automatically closed, and automatically turn on the second valve 4, and cleaning rainwater enters moderate rain storage
With pond 8；Reach high water level when the second water-level gauge 8-4 is shown, then the second valve 4 be automatically closed, and automatically turn on third valve 5,
Subsequent rainwater will be by being directly discharged into river after flowmeter 5-1 meterings.
First rain runoff is entered by the first valve 3 in the pre- net pond of first rain 7, and debris retaining area 7-1, solid Disengagement zone 7- are successively passed through
2, oil slick area 7-3, particle filtering area 7-4, aerobic mixed zone 7-5, secondary filter area 7-6 and gathering ground 7-7.It is taken in rainfall runoff
The objects such as the dry branches and fallen leaves of band are intercepted through garbage grille 7-8 in debris retaining area 7-1, grid grid gap 8-10mm, can be used it is artificial or
Person's machinery scarfing cinder.It is separated by solid-liquid separation by natural sedimentation mode in the 7-2 of solid Disengagement zone, which can be filled inclined tube or inclined plate
Filler builds inclined-plate clarifying basin or inclined-tube sedimentation tank, and the precipitation of filling rate 40~60%, accelerating solid particle detaches, in rainwater
Most suspended particulate substance is deposited on the area.Flusher 7-17 is arranged in the area, when the area needs to rinse, is stored using moderate rain
It is rinsed with the rainwater in pond 8, flushing sewage enters gathering ground 7-7 by valve 7-15 and is emitted into municipal sewage pipe network.Through heavy
Rainwater petrochina pollutant floating behind shallow lake is gathered in oil slick area 7-3, is intercepted by oil separating plate 7-9, in the water reuse or row
Using artificial or mechanical collection oil slick before putting；The fine particle carried in rainwater is removed by particle filtering area 7-4 by filtering,
Filter medium 7-10 is filled in filtering area, is separated by filtration the thin suspended particulate substance carried in water body by filter medium 7-10,
Geotextiles can be used in filter medium 7-10, circle passes through filter, quartz sand, zeolite etc.；Rainwater enters aerobic mixed zone after filter, by increasing
Oxygen device 7-11 reduces organic matter and ammonia-nitrogen content in water body, while being stirred water body, prevents corruption to area's oxygenation aeration
It is smelly.More clean rainwater of the water outlet of aerobic mixed zone after secondary filter area 7-6 fast filterings enters gathering ground 7-7,
Fine filtering medium 7-12 is equipped in secondary filter area 7-6, fibre bundle and activated carbon etc. can be used in fine filtering medium 7-12.Collection
Elevator pump is equipped in the 7-7 of pool, after rain stops, if effluent quality reaches reuse requirement, the valve 7-13 that can open reuse mouth is straight
Take back use；If reuse requirement is not achieved in effluent quality, the valve 7-14 for opening floss hole is directly discharged into municipal sewage pipe network, utilizes
Other purification facilities processing such as sewage treatment plant's purified treatment or wetland, the wet pool, Rain Garden, soil leaking substance, will not
Pollution is generated to river water body, built-up areas, especially old city area surface source pollution is solved and is difficult to collect the problem of processing, reduce
Build up influence of the area surface source pollution to water quality.
The first pre- net pond 7 of rain store it is full after, rainwater automatically into moderate rain storage in pond 8, carried in rainwater deadwood and rotten leaf, cigarette
It is first-class to be intercepted by garbage grille 8-5 in the areas Lan Wu 8-1, grid grid gap 8-10mm, using artificial or mechanical scarfing cinder.It is clean
For rainwater storage in storage pond 8-2, which is equipped with aeration tube, is periodically aerated mixed water body, prevents water quality deterioration, also rainwater is made to take
A small amount of suspended matter of band does not precipitate, and reduces flushing work amount；It is additionally provided with water-level gauge 8-4, the water for controlling moderate rain storage pond 8
Ultrasonic wave, electromagnetism or floating ball lever meter etc. can be used in position and pondage, water-level gauge 8-4.Water pump is equipped in the 8-3 of catchment, according to
Reuse, which needs to open, supplies water, can be back to road pour spill, afforest, carwash, enterprise water use, landscape water, recharge of groundwater and benefit
Filling river channel ecology needs water etc..The pre- net pond of moderate rain storage pond 8 and first rain 7 is built jointly, and clean rainwater punching in moderate rain storage pond can be used
The settling zone and filter medium in the pre- net pond of first rain 7 are washed, cleaning rainwater resource direct emission waste is both solved the problems, such as, also solves
The flushing water resources problem in the pre- net pond of first rain of having determined 7.
In addition, just the pre- net pond of rain 7 is alternatively arranged as the use of neighbour's accident pool, when occurring in neighbour, dangerous material are unrestrained, oil drum inclines
It turning over, the accidents such as fire, accident flushing water or fire water can be delivered to the pre- net pond of just rain 7 by rainwater conflux manifold 2 and stored, but
The water needs special disposition, cannot discharge river.
As a further improvement on the present invention, the first valve 3, the second valve 4, third valve 5 are electric control valve, according to
The condition of setting opens and closes automatically, and butterfly valve, ball valve etc. can be used.Flowmeter 5-1 is electromagnetic flowmeter or tubular type flow
Meter, for measuring into river amount of rainfall, runoff volume and enter river ratio that final statistics generates.Air blast can be used in oxygen-increasing device 7-11
Machine, nanometer aeration machine, jet aerator etc..
Preferably, moderate rain storage pond 8 includes the areas Lan Wu 8-1, regulate and store area 8-2 and catchment 8-3；
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.