CN107858942A - A kind of urban rainwater storage and exhaust system - Google Patents
A kind of urban rainwater storage and exhaust system Download PDFInfo
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- CN107858942A CN107858942A CN201710953448.9A CN201710953448A CN107858942A CN 107858942 A CN107858942 A CN 107858942A CN 201710953448 A CN201710953448 A CN 201710953448A CN 107858942 A CN107858942 A CN 107858942A
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- rainwater
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 277
- 230000008595 infiltration Effects 0.000 claims abstract description 36
- 238000001764 infiltration Methods 0.000 claims abstract description 36
- 238000002347 injection Methods 0.000 claims description 31
- 239000007924 injection Substances 0.000 claims description 31
- 239000002689 soil Substances 0.000 claims description 21
- 238000011144 upstream manufacturing Methods 0.000 claims description 16
- 239000004746 geotextile Substances 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims 2
- 239000010410 layer Substances 0.000 description 17
- 239000012535 impurity Substances 0.000 description 12
- 239000003673 groundwater Substances 0.000 description 7
- 239000012466 permeate Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000029142 excretion Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0402—Gullies for use in roads or pavements provided with flushing means for cleaning or emptying
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of storage of urban rainwater and exhaust system, including：Water storage pipeline, drop well, overflow well and guiding gutter, multiple water storage pipelines join end to end along drainage grade is laid on below ground, and the junction of each two water storage pipeline is provided with the first management valve；The lower end of drop well is connected with the head end of water storage pipeline；The lower end of overflow well is connected with the end of water storage pipeline, and overflow pipe is connected between overflow well and drop well；It is passed through on the receipts mouth of a river of guiding gutter covered with infiltration device, guiding gutter by storm sewer in drop well.The urban rainwater storage of the present invention can be stored with exhaust system to rainwater, rainwater is slowly penetrated underground, city is effectively utilized rainwater resource.
Description
Technical field
The invention belongs to drainage system against rain field below sponge urban road, more particularly to a kind of storage of urban rainwater with
Exhaust system.
Background technology
China major part city is water shortage, national 669 cities, 400 long-term insufficient waters in city, wherein, 110
City serious water shortage.With the expansion of urban construction scale, population is continuously increased, and this contradiction can be more next serious.Sponge city
Be recent years China's respect for nature, a great state basic policy policy of beautifying city and saving water resource, exist at present
The each city in China discusses, Pilot project construction.China's major part northern area annual rainfall is relatively low, and the duration of raining is short,
Although can occur heavy rain several times or heavy rain in 1 year once in a while, wherein most rainwater can not permeate the ground, and be discharged in vain
In river, it is difficult to storage is carried out to rainwater and is effectively absorbed, causes the waste of rainwater resource.
The content of the invention
To solve problem above, the present invention proposes a kind of urban rainwater storage and exhaust system, rainwater can be stored,
Increase effective utilization of the city to rainwater resource, rainwater can also be enable to slowly penetrate profit of the underground further to unnecessary rainwater
With.
In order to achieve the above object, the present invention is solved using following technical scheme.
A kind of urban rainwater storage and exhaust system, this system can replace the storm sewer of generally use design at this stage
Function of drainage system, including：Water storage pipeline, drop well, overflow well and guiding gutter, multiple water storage pipelines along leading at this stage
Joined end to end frequently with design storm sewer drainage grade and be laid on below ground, the company of the adjacent water storage pipeline of each two
The place of connecing is provided with the first management valve；The upper end of the drop well is provided with Manhole coverses, lower end and the water storage pipeline
Head end is connected；The upper end of the overflow well is provided with Manhole coverses, and lower end is connected with the end of the water storage pipeline, described
Overflow pipe is connected between overflow well and the drop well, the height of the tube top of the overflow pipe is less than the water storage pipeline of upstream
The height of tube top；The guiding gutter is distributed in the rainwater collection water side of road, and the upper port of the guiding gutter is to receive the mouth of a river, the receipts
Receipts well is provided with, is connected in the side wall for receiving well covered with infiltration device, the lower end of the guiding gutter on the port at the mouth of a river
Storm sewer is connected to, the storm sewer is passed through in the drop well.
According to the storage of the urban rainwater of the present invention and exhaust system, multiple water storage pipelines for connecing of joining end to end are along drainage grade
The underground in city is laid on, is kept apart between the water storage pipeline that each two is connected by the first management valve, its last section
Water pipe lead at the draining terminal excretion such as river course or reservoir.The head end of each water storage pipeline is connected with drop well, end
Be connected with overflow well by the overflow pipe between overflow well and drop well downstream one section water storage pipeline in spilling water, drop well
It is connected with rain pipe, the rainwater that storm sewer is collected into from guiding gutter can be received.
In rainfall, the rainwater of the receipts water side of both sides of the road penetrates into guiding gutter by permeability apparatus, enters in by guiding gutter
After receiving well, then from storm sewer inflow drop well, entered by drop well in a section water storage pipeline.
At rainfall initial stage, a large amount of soil and impurity of ground can be carried in rainwater, in this stage, all water pipes should be opened
The first management valve between road, the rainwater that such rainfall initial stage is collected into directly can be flowed out by each water storage pipeline, make mud
Soil and impurity are discharged with the rainwater at initial stage.
After the ground in city is clean by lasting rain drop erosion, soil and impurity in rainwater are reduced, and are now closed
First management valve of all water storage pipeline enclosures, each water storage pipeline start to collect rainwater, and each water storage pipeline only passes through overflow
Mode is to next water storage pipe drainage, when the rainwater product in a section water storage pipeline is full, the unnecessary rainwater in the water storage pipeline
By overflow pipe overflow into the drop well being connected with next water storage pipeline, by that analogy, often saving water storage pipeline can lead to
Cross guiding gutter and collect rainwater, water storage pipeline overflowing rain water can be saved to next by overflow well and overflow pipe after rainwater is filled with,
Until rainwater is discharged in river course by final section water storage pipeline.
Rainwater in each water storage pipeline can also be supplemented Urban Underground water source slowly to subsurface wastewater infiltration system.It is simultaneously every
Water in section water storage pipeline can also directly be extracted use, for example pour vegetation and flush the toilet, and municipal water demand is made up with this,
Alleviate urban drought.
As preferable, in addition to storage cistern, the end of the storage cistern and each water storage pipeline pass through water injecting pipeline phase
Connection；The water injecting pipeline is that overflow-type water injection pipe and/or management formula water injection pipe, the ttom of pipe of the overflow-type water injection pipe are higher than institute
State the ttom of pipe of the end of water storage pipeline, the ttom of pipe of the water inlet of the management formula water injection pipe and the end of the water storage pipeline
Ttom of pipe maintains an equal level, and the water inlet of the management formula water injection pipe is provided with the second management valve.
The end that water injecting pipeline and water storage pipeline are passed through according to the storage of the urban rainwater of the present invention and exhaust system, storage cistern
It is connected, forms linker, water storage pipeline must first accumulates full rainwater before overflow in storage cistern, and storage cistern has expanded water storage pipeline
Pondage, facilitate user's directly taking to rainwater, wherein, user includes the water list such as greenbelt, park, Farms And Factories
Position.When water injecting pipeline uses overflow-type water injection pipe, the bottom of overflow-type water injection pipe is slightly above the end of its water storage pipeline connected
The ttom of pipe at end, when starting rainfall, rise be initially entered water pipe rainwater it is smaller, the water level of current is relatively low, will not have overflow-type
The bottom of water injection pipe, the silt impurity entered with rainwater in water storage pipeline would not enter storage cistern from overflow-type water injection pipe
It is interior.When water injecting pipeline uses management formula water injection pipe, the water inlet of management formula water injection pipe has the second management valve, is starting to drop
During rain, the first management valve of each water storage pipeline enclosure is opened, and the second management valve is closed, as rainwater enters water storage pipeline
Interior silt impurity just can only with rainwater directly through it is each from water storage pipeline and and it is each first management valve after rushed
Walk, will not enter from management formula water injection pipe in storage cistern.With continuing for rainfall, the silt impurity on ground is all rinsed dry
Only, rainwater is also increasingly cleaner, and now each first management valve is closed, and each water storage pipeline starts to catchment, can now opened
The second management valve on management formula water injection pipe, makes the rainwater in water storage pipeline enter access customer storage cistern.
As preferable, mud sump is respectively arranged with immediately below each overflow well and the drop well.
According to the storage of the urban rainwater of the present invention and exhaust system, mud sump be arranged on overflow well and drop well just under
Side, can prevent the direct flush pipe bottom of rainwater flow being passed through, can also deposit the silt in rainwater, prevent silt from managing valve first
Nearby accumulate and influence the normal use of the first management valve.
As preferable, the infiltration device is infiltration groove, and the infiltration truss is located at the receipts mouth of a river upstream, described to ooze
Passage is formed between the inner bottom surface of the outer bottom of tank and the guiding gutter, rain grid is also covered with the infiltration groove.
According to the storage of the urban rainwater of the present invention and exhaust system, the infiltration groove for being arranged on the lower section of rain grid can be to rain
The rainwater that eradicating water grate enters is filtered, and infiltration groove permeates rainwater by its bottom and two side walls, expands infiltration area, again
Rainwater can temporarily be accumulated, sufficient buffer time has been reserved to rainwater infiltration.The outer bottom of infiltration groove and the interior bottom of guiding gutter
Face forms passage, and rainwater infiltration enters drop well to concentrating to enter after receipts well afterwards herein by storm sewer again, and from drop
Mouth enters in water storage pipeline.
As preferable, the infiltration device is porous disc, and the porous disc is laid on the receipts mouth of a river of the guiding gutter,
The receipts well is arranged above rain grid, and the upper surface of the rain grid is higher than the upper surface of the porous disc
20-30mm。
It can be made up according to the storage of the urban rainwater of the present invention and exhaust system, porous disc of permeable concrete, rainwater collection
In penetrated at porous disc from porous disc in guiding gutter, filtered during infiltration, rainwater in guiding gutter is concentrated
It is flowed into after receiving well and enters drop well by storm sewer again, and enters from drop mouth in water storage pipeline.Porous disc can generation
For the flat stone of trackside of Pavement Design at this stage.When meeting with heavy rain or flood, the seepage velocity of porous disc is less than ponding speed, receives
Ponding surface at the mouth of a river rises, when ponding surface rises to the height of the upper surface of the rain grid for the surface for receiving well
When, rainwater is directly flowed into guiding gutter from rain grid.
As preferable, the storm sewer is osmos tube, filled with permeable between the storm sewer and sub-surface
Layer, isolating between the pervious bed and the sub-surface has drainage geotextiles.
According to the present invention urban rainwater storage and exhaust system, pervious bed be typically made up of rubble and gravel, rubble and
Gravel is laid on the periphery of storm sewer, the rainwater penetrated can tentatively be filtered, can also form one layer of water storage space, thoroughly
Drainage geotextiles between water layer and sub-surface can filter again to the rainwater penetrated, while prevent pervious bed by periphery soil
Layer intrusion layer failure, makes clean rainwater permeate the ground soil layer, recharge of groundwater source.
As preferable, the water storage pipeline is osmos tube, and pervious bed is provided with the outside of the water storage pipeline, described
Isolating between water layer and the sub-surface has drainage geotextiles.
Rubble or gravel are generally according to the storage of the urban rainwater of the present invention and exhaust system, pervious bed, can to rainwater or
Underground water is tentatively filtered, and can also form further water storage space, is wrapped up in pervious bed external application drainage geotextiles, can be again
Filtration and infiltration is carried out to rainwater or underground water, while prevents pervious bed from being failed by periphery soil layer intrusion layer, the rain in water storage pipeline
When water is to exosmosis, rainwater permeates the ground soil layer after pervious bed and drainage geotextiles, recharge of groundwater source.Underground water is to storage
When being permeated in waterpipe, enter after the filtered water geotextiles of underground water and pervious bed in water pipe road, reduce in sub-surface
Moisture.
As preferable, when needing to reduce urban soil moisture, the water storage pipeline is located at Urban Underground water level
Hereinafter, multiple permeable holes are circumferentially distributed with the tube wall of the water storage pipeline, the pervious bed is circumferentially distributed in the water pipe
The whole outside in road.
According to the storage of the urban rainwater of the present invention and exhaust system, easily occurring, flood is regional, the water in sub-surface
Divide content high, it is only necessary to draining, it is not necessary to moisturizing, water storage pipeline can be arranged under the level of ground water in city.In order to more
Facilitate draining, in water storage pipeline last week to multiple permeable holes are set water storage pipeline can will be made to turn into comprehensive water-permeable pipe, underground soil
Moisture in layer can pass through being seeped water everywhere into water storage pipeline from water storage pipeline after drainage geotextiles and pervious bed.
As preferable, when needing to increase urban soil moisture, the water storage pipeline is located at more than Urban Underground water level,
Multiple permeable holes are distributed with the lower half tube wall of the water storage pipeline, the pervious bed is distributed in the lower half of the water storage pipeline
The outside in portion.
According to the storage of the urban rainwater of the present invention and exhaust system, in arid area, underground water is not abundant, it is necessary to ground
Lower soil layer is kept the skin wet, and water storage pipeline can be arranged on the level of ground water in city.Because water storage pipeline is typically difficult to be filled with
Rainwater, half side only under water storage pipeline multiple permeable holes can be set, mainly laterally be seeped water outside by the lower half of water storage pipeline, because
This only covers pervious bed the lower half of the lateral wall of water storage pipeline, can save the materials such as a large amount of rubbles for forming pervious bed and gravel
Material.
As preferable, aqueduct is connected with the water storage pipeline of the upstream of the system, the aqueduct connects diversion
Water source, the diversion water source are included positioned at the river or reservoir of upstream；The row of being provided with the water storage pipeline in the downstream of the system
Water pipe, the river or reservoir in the drainpipe connection city downstream.
Aqueduct and city can be passed through according to the storage of the urban rainwater of the present invention and exhaust system, the water storage pipeline of its upstream
The river or reservoir of upstream are connected, and can be fetched water from river or reservoir to be kept the skin wet for the lower soil layer on city ground, improve city
City's weather.The drainpipe on water storage pipeline that unnecessary diversion in water storage pipeline passes through downstream be incorporated into city downstream river or
In reservoir.
Brief description of the drawings
The present invention is described in further details with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is at the urban rainwater storage of the present invention and the connecting node of two adjacent water storage pipelines in exhaust system
The complete section structural representation of local nodes；
Fig. 2 is urban rainwater storage and a kind of cross-sectional structure of embodiment of the guiding gutter in exhaust system of the present invention
Schematic diagram；
Fig. 3 is the vertical section structure schematic diagram of the guiding gutter in Fig. 2；
Fig. 4 is that the urban rainwater storage of the present invention and the longitudinal section of another embodiment of the guiding gutter in exhaust system are tied
Structure schematic diagram；
Fig. 5 is a kind of structural representation of embodiment of the water storage pipeline and pervious bed in Fig. 1；
Fig. 6 is the structural representation of another embodiment of the water storage pipeline and pervious bed in Fig. 1.
In above figure：1 water storage pipeline；2 first management valves；3 receive well；4 drop wells；5 overflow wells；6 overflow pipes；7
Guiding gutter；8 storm sewers；9 overflow-type water injection pipes；10 management formula water injection pipes；11 mud sumps；12 rain grids；13 infiltration grooves；14
Pervious bed；15 drainage geotextiles；16 sub-surfaces；17 coarse strainers；18 porous discs.
Embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and it is embodied
The present invention is further described in detail mode.
Referring to figs. 1 to Fig. 4, a kind of urban rainwater storage and exhaust system, this system can replace generally adopting at this stage
With design the function of drainage system of storm sewer 8, including：Water storage pipeline 1, drop well 4, overflow well 5 and guiding gutter 7, it is multiple described
Water storage pipeline 1 joins end to end along the design drainage grade of storm sewer 8 of generally use at this stage and is laid on below ground, each two
The junction of the adjacent water storage pipeline 1 is provided with the first management valve 2；The upper end of the drop well 4 is provided with ground
Well lid, lower end are connected with the head end of the water storage pipeline 1；The upper end of the overflow well 5 is provided with Manhole coverses, lower end and institute
The end for stating water storage pipeline 1 is connected, and overflow pipe 6, the overflow pipe 6 are connected between the overflow well 5 and the drop well 4
Tube top height less than upstream water storage pipeline 1 tube top height；The guiding gutter 7 is distributed in the rainwater collection water of road
Side, the upper port of the guiding gutter 7 is receives the mouth of a river, covered with infiltration device on the port for receiving the mouth of a river, the guiding gutter 7
Lower end, which is provided with, receives well 3, and storm sewer 8 is connected with the side wall for receiving well 3, and the storm sewer 8 is passed through described fall
In well 4.
In the embodiment above, multiple water storage pipelines 1 connect that join end to end are laid on the underground in city along drainage grade, often
Kept apart between two water storage pipelines 1 being connected by the first management valve 2, water pipe of its last section lead to river course or
At the draining terminal excretion such as reservoir.The head end of each water storage pipeline 1 is connected with drop well 4, and end is connected all with overflow well 5
Cross spilling water, drop well 4 and rain pipe phase in the section water storage pipeline 1 of the overflow pipe 6 between overflow well 5 and drop well 4 downstream
Connection, can receive the rainwater that storm sewer 8 is collected into from guiding gutter 7.
In rainfall, the rainwater for receiving water side of both sides of the road penetrates into guiding gutter 7 by permeability apparatus, enters in by guiding gutter 7
After entering to receive well 3, then from the inflow drop well 4 of storm sewer 8, entered by drop well 4 in a section water storage pipeline 1.
At rainfall initial stage, a large amount of soil and impurity of ground can be carried in rainwater, in this stage, all water pipes should be opened
The first management valve 2 between road 1, the rainwater that such rainfall initial stage is collected into can directly be flowed out by each water storage pipeline 1, made
Soil and impurity are discharged with the rainwater at initial stage.
After the ground in city is clean by lasting rain drop erosion, soil and impurity in rainwater are reduced, and are now closed
The first management valve 2 between all water storage pipelines 1, each water storage pipeline 1 start to collect rainwater, and each water storage pipeline 1 only passes through
Overflow manner is more in the water storage pipeline 1 when the rainwater product in a section water storage pipeline 1 is full to next draining of water storage pipeline 1
Remaining rainwater by that analogy, often saves water pipe by the overflow into the drop well 4 being connected with next water storage pipeline 1 of overflow pipe 6
Road 1 can collect rainwater by guiding gutter 7, can be by overflow well 5 and overflow pipe 6 to next section water pipe after rainwater is filled with
The overflowing rain water of road 1, until rainwater is discharged in river course by final section water storage pipeline 1.
Rainwater in each water storage pipeline 1 can also be supplemented Urban Underground water source slowly to subsurface wastewater infiltration system.It is simultaneously every
Water in section water storage pipeline 1 can also directly be extracted use, for example pour vegetation and flush the toilet, and making up urban water with this needs
Ask, alleviate urban drought.
According to one embodiment of present invention, in addition to storage cistern, the end of the storage cistern and each water storage pipeline 1 lead to
Water injecting pipeline is crossed to be connected.
In the embodiment above, storage cistern is connected by water injecting pipeline with the end of water storage pipeline 1, forms linker,
Water storage pipeline 1 first the full rainwater of product in storage cistern, storage cistern must expand the pondage of water storage pipeline 1, convenient use before overflow
Family is directly taken to rainwater, wherein, user includes the water unit such as greenbelt, park, Farms And Factories.
With reference to figure 1, according to one embodiment of present invention, the water injecting pipeline is overflow-type water injection pipe 9, the overflow-type
Ttom of pipe of the ttom of pipe of water injection pipe 9 higher than the end of the water storage pipeline 1.
In the embodiment above, the bottom of overflow-type water injection pipe 9 is slightly above the pipe of the end of its water storage pipeline 1 connected
Bottom, when starting rainfall, rise be initially entered water pipe rainwater it is smaller, the water level of current is relatively low, will not have overflow-type water injection pipe 9
Bottom, with rainwater enter water storage pipeline 1 in silt impurity would not from overflow-type water injection pipe 9 enter storage cistern in.
According to one embodiment of present invention, the water injecting pipeline is management formula water injection pipe 10, the management formula water injection pipe
The ttom of pipe of 10 water inlet and the ttom of pipe of the end of the water storage pipeline 1 maintain an equal level, the water inlet of the management formula water injection pipe 10
It is provided with the second management valve.
In the embodiment above, managing the water inlet of formula water injection pipe 10 has the second management valve, when starting rainfall
, the first management valve 2 between each water storage pipeline 1 is opened, and the second management valve is closed, as rainwater enters water storage pipeline 1
Interior silt impurity just can only with rainwater directly through it is each from water storage pipeline 1 and and it is each first management valve 2 after quilt
Wash away, will not enter from management formula water injection pipe 10 in storage cistern.With continuing for rainfall, the silt impurity on ground is all rinsed
Totally, rainwater is also increasingly cleaner, and now each first management valve 2 is closed, and each water storage pipeline 1 starts to catchment, and now may be used
The second management valve on management formula water injection pipe 10 is opened, the rainwater in water storage pipeline 1 is entered access customer storage cistern.
With reference to figure 1, according to one embodiment of present invention, the underface point of each overflow well 5 and the drop well 4
Mud sump 11 is not provided with.
In the embodiment above, mud sump 11 is arranged on the underface of overflow well 5 and drop well 4, can prevent the rainwater being passed through
The direct flush pipe bottom of current, can also deposit the silt in rainwater, prevent silt from being accumulated near the first management valve 2 and influenceing the
The normal use of one management valve 2.
Referring to figs. 2 and 3 according to one embodiment of present invention, the device that seeps water is infiltration groove 13, the infiltration groove
13 are erected at the receipts mouth of a river upstream, and passage is formed between the outer bottom of the infiltration groove 13 and the inner bottom surface of the guiding gutter 7,
Rain grid 12 is also covered with the infiltration groove 13.
In the embodiment above, the downside of rain grid 12 is typically also lined with coarse strainer 17, and coarse strainer can intercept lower leaf
Or the debris such as branch, the rainwater that being arranged on the infiltration groove 13 of the lower section of rain grid 12 can enter to rain grid 12 were carried out
Filter, infiltration groove 13 permeate rainwater by its bottom and two side walls, expand infiltration area, can temporarily accumulate rainwater again, give
Rainwater infiltration has reserved sufficient buffer time.Seep water the outer bottom of groove 13 and the inner bottom surface formation passage of guiding gutter 7, under rainwater
It is seeped into concentrate to enter after receipts well 3 afterwards herein and enters drop well 4 by storm sewer 8 again, and enters water storage pipeline 1 from drop mouth
It is interior.
With reference to figure 4, according to one embodiment of present invention, the infiltration device is porous disc 18, and the porous disc 18 is spread
It is located on the receipts mouth of a river of the guiding gutter 7, the receipts well 3 is arranged above rain grid 12, the rain grid 12
Upper surface it is higher 20-30mm than the upper surface of the porous disc 18.
In the embodiment above, porous disc 18 can be made up of permeable concrete, and rainwater is focused at porous disc 18 from saturating
Water plate 18 is penetrated into guiding gutter 7, is filtered during infiltration, and the rainwater in guiding gutter 7, which is concentrated to be flowed into, receives well 3
Enter drop well 4 by storm sewer 8 again afterwards, and enter from drop mouth in water storage pipeline 1.Porous disc 18 can replace at this stage
The flat stone of trackside of Pavement Design.When meeting with heavy rain or flood, the seepage velocity of porous disc 18 is less than ponding speed, causes road surface
The ponding surface received at the mouth of a river of the guiding gutter 7 for receiving water side rise, receive well 3 when ponding surface rises 20-30mm and reached
Surface rain grid 12 upper surface height when, rainwater directly from rain grid 12 flow into guiding gutter 7 in.Downspout strainer
The coarse strainer 17 of the lower section of son 12 is used to intercept the debris such as leaf branch.
According to one embodiment of present invention, the storm sewer 8 is osmos tube, the storm sewer 8 and sub-surface
Pervious bed 14 is filled between 16, isolating between the pervious bed 14 and the sub-surface 16 there are drainage geotextiles 15.
In the embodiment above, pervious bed 14 is typically made up of rubble and gravel, and rubble and gravel are laid on storm sewer 8
Periphery, the rainwater penetrated can tentatively be filtered, can also form one layer of water storage space, pervious bed 14 and sub-surface 16
Between drainage geotextiles 15 rainwater penetrated can be filtered again, while prevent pervious bed 14 by periphery soil layer intrusion layer lose
Effect, clean rainwater is set to permeate the ground soil layer 16, recharge of groundwater source.When underground water permeates into water storage pipeline 1, underground water warp
Enter after filter water geotextiles 15 and pervious bed 14 in water pipe road 1, reduce the moisture in sub-surface 16.
With reference to figure 5, according to one embodiment of present invention, when needing to reduce urban soil moisture, the water storage
Pipeline 1 is located at below Urban Underground water level, and multiple permeable holes are circumferentially distributed with the tube wall of the water storage pipeline 1, described permeable
Layer 14 is circumferentially distributed in the whole outside of the water storage pipeline 1.
In the embodiment above, the moisture in easily generation flood area, sub-surface is high, it is only necessary to draining,
Moisturizing is not needed, water storage pipeline 1 can be arranged under the level of ground water in city., can will be in water storage in order to more facilitate draining
Circumferentially disposed multiple permeable holes on pipeline 1, water storage pipeline 1 is set to turn into comprehensive water-permeable pipe, the moisture in sub-surface 16 can lead to
Being seeped water everywhere into water storage pipeline 1 from water storage pipeline 1 after filter water geotextiles 15 and pervious bed 14.
With reference to figure 6, according to one embodiment of present invention, when needing to increase urban soil moisture, the water storage pipeline 1
More than Urban Underground water level, multiple permeable holes, the pervious bed 14 are distributed with the lower half tube wall of the water storage pipeline 1
It is distributed in the outside of the lower half of the water storage pipeline 1.
In the embodiment above, in arid area, underground water is not abundant, it is necessary to kept the skin wet to sub-surface 16, can
Water storage pipeline 1 is arranged on the level of ground water in city., can be only in water storage because water storage pipeline 1 typically is difficult to be filled with rainwater
It is half side under pipeline 1 that multiple permeable holes are set, mainly seeped water by the way that the lower half of water storage pipeline 1 is laterally outer, therefore by pervious bed 14
The lower half of the lateral wall of water storage pipeline 1 is only covered, the materials such as a large amount of rubbles for forming pervious bed 14 and gravel can be saved.
According to one embodiment of present invention, aqueduct is connected with the water storage pipeline 1 of the upstream of the system, it is described to draw
Water pipe connection diversion water source, the diversion water source is included positioned at the river or reservoir of upstream；The water pipe in the downstream of the system
Drainpipe, the river or reservoir in the drainpipe connection city downstream are provided with road 1.
In the embodiment above, the water storage pipeline 1 of its upstream can pass through aqueduct and the river or reservoir phase of city upstream
Connection, can fetch water from river or reservoir to be kept the skin wet for the sub-surface 16 in city, improve urban climate.Water storage pipeline 1
In unnecessary diversion pass through downstream water storage pipeline 1 on drainpipe be incorporated into the river or reservoir in city downstream.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of urban rainwater storage and exhaust system, it is characterised in that including：
Water storage pipeline (1), multiple water storage pipelines (1) join end to end along drainage grade is laid on below ground, each two
The junction of the adjacent water storage pipeline (1) is provided with the first management valve (2)；
Drop well (4), the upper end of the drop well (4) are provided with Manhole coverses, lower end and the head end phase of the water storage pipeline (1)
Connection；
Overflow well (5), the upper end of the overflow well (5) are provided with Manhole coverses, lower end and the end phase of the water storage pipeline (1)
Connection, overflow pipe (6), the tube top height of the overflow pipe (6) are connected between the overflow well (5) and the drop well (4)
Less than the height of the tube top of the water storage pipeline (1) of upstream；
Guiding gutter (7), the guiding gutter (7) are distributed in the rainwater collection water side of road, and the upper port of the guiding gutter (7) is receipts water
Mouthful, covered with infiltration device on the port for receiving the mouth of a river, the lower end of the guiding gutter (7), which is provided with, receives well (3), the receipts
Storm sewer (8) is connected with the side wall of well (3), the storm sewer (8) is passed through in the drop well (4).
2. urban rainwater storage according to claim 1 and exhaust system, it is characterised in that described also including storage cistern
Storage cistern is connected with the end of each water storage pipeline (1) by water injecting pipeline；The water injecting pipeline is overflow-type water injection pipe (9)
And/or management formula water injection pipe (10), the ttom of pipe of the overflow-type water injection pipe (9) are higher than the pipe of the end of the water storage pipeline (1)
Bottom, the ttom of pipe of the water inlet of the management formula water injection pipe (10) and the ttom of pipe of the end of the water storage pipeline (1) maintain an equal level, described
The water inlet of management formula water injection pipe (10) is provided with the second management valve.
3. urban rainwater storage according to claim 1 and exhaust system, it is characterised in that each overflow well (5)
With mud sump (11) is respectively arranged with immediately below the drop well (4).
4. urban rainwater storage according to claim 1 and exhaust system, it is characterised in that the infiltration device is infiltration
Groove (13), the infiltration groove (13) are erected at the receipts mouth of a river upstream, the outer bottom and the guiding gutter of the infiltration groove (13)
(7) passage is formed between inner bottom surface, rain grid (12) is also covered with the infiltration groove (13).
5. urban rainwater storage according to claim 1 and exhaust system, it is characterised in that the infiltration device is permeable
Plate (18), the porous disc (18) are laid on the receipts mouth of a river of the guiding gutter (7), described to receive being arranged above for well (3)
Rainy eradicating water grate (12), the upper surface of the rain grid (12) are higher 20-30mm than the upper surface of the porous disc (18).
6. urban rainwater according to claim 1 storage and exhaust system, it is characterised in that the storm sewer (8) is
Osmos tube, is filled with pervious bed (14) between the storm sewer (8) and sub-surface (16), the pervious bed (14) with it is described
Isolation has drainage geotextiles (15) between sub-surface (16).
7. urban rainwater according to claim 1 storage and exhaust system, it is characterised in that the water storage pipeline (1) is
Osmos tube, pervious bed (14), the pervious bed (14) and the sub-surface (16) are provided with the outside of the water storage pipeline (1)
Between isolation have drainage geotextiles (15).
8. urban rainwater according to claim 7 storage and exhaust system, it is characterised in that when needing to reduce urban soil
During moisture, the water storage pipeline (1) is located at below Urban Underground water level, circumferentially divides on the tube wall of the water storage pipeline (1)
Multiple permeable holes are furnished with, the pervious bed (14) is circumferentially distributed in the whole outside of the water storage pipeline (1).
9. urban rainwater according to claim 7 storage and exhaust system, it is characterised in that when needing to increase urban soil
During moisture, the water storage pipeline (1) is located at more than Urban Underground water level, is distributed on the lower half tube wall of the water storage pipeline (1)
There are multiple permeable holes, the pervious bed (14) is distributed in the outside of the lower half of the water storage pipeline (1).
10. urban rainwater storage according to claim 1 and exhaust system, it is characterised in that the upstream of the system
Aqueduct is connected with water storage pipeline (1), the aqueduct connection diversion water source, the diversion water source is included positioned at the river of upstream
Stream or reservoir；Drainpipe, the river in the drainpipe connection city downstream are provided with the water storage pipeline (1) in the downstream of the system
Stream or reservoir.
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| CN201710953448.9A CN107858942A (en) | 2017-10-13 | 2017-10-13 | A kind of urban rainwater storage and exhaust system |
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| CN201710953448.9A CN107858942A (en) | 2017-10-13 | 2017-10-13 | A kind of urban rainwater storage and exhaust system |
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