CN105839757B - A kind of rainwater drainage method and device based on hydrodynamics and lever principle - Google Patents
A kind of rainwater drainage method and device based on hydrodynamics and lever principle Download PDFInfo
- Publication number
- CN105839757B CN105839757B CN201610227619.5A CN201610227619A CN105839757B CN 105839757 B CN105839757 B CN 105839757B CN 201610227619 A CN201610227619 A CN 201610227619A CN 105839757 B CN105839757 B CN 105839757B
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- pipe
- valve plate
- abandoned stream
- hollow valve
- rainwater
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000010865 sewage Substances 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 206010033307 Overweight Diseases 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 3
- 235000020825 overweight Nutrition 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 210000003709 heart valve Anatomy 0.000 claims description 2
- 239000010841 municipal wastewater Substances 0.000 claims 1
- 235000020681 well water Nutrition 0.000 claims 1
- 239000002349 well water Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000012805 post-processing Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000008239 natural water Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
-
- 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
Abstract
The invention discloses a kind of rainwater drainage method and device based on hydrodynamics and lever principle, wherein abandoned stream well include from shaft bottom and on the abandoned stream pipe, water inlet pipe, the collector pipe that set gradually；Control valve includes clump weight, hollow valve plate；Hollow valve plate is located at the mouth of pipe of abandoned stream pipe, can be vertically moved up or down；Clump weight positioned at fixed pulley both sides and is connected respectively with hollow valve plate；Inlet opening is offered at the top of hollow valve plate, bottom offers osculum；Water inlet pipe is connected with inlet opening by borehole wall diversion pipe；The present invention is according to the different zones demand different to the abandoned stream time, the water being adjusted into hollow valve plate, the lifting of hollow valve plate is controlled with this, achievees the purpose that to abandon initial rainwater without storage, reduces post-processing difficulty and expense, extend cistern service life, in addition the configuration of the present invention is simple, transmission parts are few, without any observing and controlling, electric operator, failure rate is minimum and maintenance is convenient, be adapted to it is any under the conditions of municipal rainwater collection.
Description
Technical field
The invention belongs to initial rainwater pollution control technology field, and in particular to one kind is based on hydrodynamics and lever principle
Rainwater drainage method and device.
Background technology
The development of China's spongeization urban construction.It is proposed to build nature accumulation, naturally osmotic, the sponge city of self-purification
Requirement.House town and country construction portion《Sponge urban construction technical manual》And the promulgation of various rainwater utilization specifications, finance
Portion, house town and country construction portion, Ministry of Water Resources issue《The logical of sponge urban construction pilot work is supported on carrying out state revenue
Know》, the Collection utilization of rainwater must just be realized as early as possible, improve Urban Natural ecology background and hydrological characteristics, meet rain not flooded, meet drought
Do not do, therefore just need reasonably to collect the rainwater of surface runoff in sponge urban construction, for later stage greening, wash
Car, water resource of reclaimed water etc..
Nowadays, collecting substantial amounts of rainwater just needs to build the very big cistern of volume, investment it is high, it is necessary to it is many safeguard,
Management, and it is maximum the problem of be that sediment deposition deposits problem in pond, solve the problems, such as it is bad this, spend huge sums the water storage built
Pond, using for a long time, will not deposited and cause volume reducing, or even scraps because siltation is filled and led up, causes very big waste,
And then rain water collecting system is paralysed, the final construction for influencing sponge city.
And formed pond siltation the main reason for be exactly the initial stage such as heavy rain the deposit containing floor drain water without relevant treatment just
Cistern is flowed into, the rainwater at heavy rain initial stage must be intercepted for this beyond cistern, be abandoned not storing, it is discharged into city planting ductwork
Or in natural water, post-processing difficulty and expense are reduced, extend cistern service life, while again cannot in acquisition time
Long-time abandoned stream, makes rainwater-collecting amount not reach requirement.In addition it is unlikely again by later stage clean rainwater-collecting to cistern
Wasted in allowing substantial amounts of rainwater resource so that the requirement of storage can not achieve in sponge city.
The content of the invention
It is an object of the invention to provide a kind of rainwater drainage method and device based on hydrodynamics and lever principle, according to
Abandoned stream time required by different zones different demand, the water being adjusted into valve plate, the lifting of valve plate is controlled with this,
And then the abandoned stream time is controlled, reach and initial rainwater is abandoned without storing, it is discharged into city planting ductwork or natural water, reduce the later stage
Intractability and expense, extend cistern service life.
To achieve these goals, the technical solution adopted in the present invention is：One kind is based on hydrodynamics and lever principle
Rainwater drainage method, the method is to set abandoned stream pipe, water inlet pipe, collector pipe respectively in abandoned stream well, wherein abandoned stream pipe, into
Water pipe is connected with municipal sewage pipe network, and collector pipe is connected with cistern, the sky in the water inlet of abandoned stream pipe installation control valve
Heart valve plate, sets clump weight in control valve, and clump weight positioned at fixed pulley both sides and is connected respectively with hollow valve plate, fixed pulley
It is fixed on the borehole wall of abandoned stream well, offers inlet opening and osculum in hollow valve plate, the water in water inlet pipe is along borehole wall diversion pipe
Enter through inlet opening in hollow valve plate, the lifting of hollow valve plate realized using lever principle, and then control the keying of abandoned stream pipe,
The serious rainwater of precontamination is discharged into municipal sewage pipe network by abandoned stream pipe, collects later stage clean rainwater to cistern；
Without rainwater in initial operating mode, hollow valve plate, clump weight overweights hollow valve plate, and hollow valve plate rises, and opens abandoned stream
Pipe, after rainfall runoff is formed, rainwater enters abandoned stream well by water inlet pipe first, and the serious rainwater of precontamination is via abandoned stream Guan Zhi
Run in into municipal sewage pipe network, meanwhile, the water in water inlet pipe is entered in hollow valve plate along borehole wall diversion pipe by inlet opening, with
Rainfall continues, and the rainwater in hollow valve plate is continuously increased, when the gross weight of hollow valve plate and its interior water overweights clump weight
When, hollow valve plate declines, and closes abandoned stream pipe, into water storage operating mode, hereafter the small later stage clean rainwater of pollution level is in abandoned stream well
Accumulation, water level rise, and are filtered by the grid at the collector pipe mouth of pipe, finally flow into collector pipe, and are ultimately discharged into cistern, when
After cistern is collected completely completely, the bypass pipe that can pass through at cistern enter abandoned stream pipe downstream, be discharged into municipal sewage pipe network；Drop
After rain, the water into hollow valve plate is less than the displacement of bottom drain holes, memory discharge reduction, when hollow valve plate and its
When the gross weight of interior water is less than clump weight weight, hollow valve plate rises, and abandoned stream pipe is opened, and drains remaining rainwater in abandoned stream well,
Initial operating mode is replied, until the arrival of next rainwater, moves in circles.
A kind of rainwater flow-discarding device based on hydrodynamics and lever principle, including abandoned stream well and control valve；The abandoned stream
Well include from shaft bottom and on the abandoned stream pipe, water inlet pipe, the collector pipe that set gradually；The abandoned stream pipe is located at the bottom of abandoned stream well；Institute
State abandoned stream pipe and be located at the side of the abandoned stream well borehole wall with collector pipe, water inlet pipe is located at the opposite side of the abandoned stream well borehole wall；The water inlet pipe
Grid is installed between collector pipe, for filtering the rainwater entered in collector pipe；The control valve includes clump weight, hollow core valve
Plate, fixed pulley；The hollow valve plate is located at the mouth of pipe of abandoned stream pipe；The clump weight is located at fixed pulley two respectively with hollow valve plate
Side and it is connected by flexible cable；Offer inlet opening at the top of the hollow valve plate, the water in the water inlet pipe is along borehole wall diversion pipe
Entered by inlet opening in hollow valve plate, the hollow valve plate bottom offers osculum；Grid is installed at the inlet opening；
Connected between the water inlet pipe and flexible cable by borehole wall diversion pipe.
Above-mentioned a kind of rainwater drainage method and device based on hydrodynamics and lever principle, the fixed pulley set two
It is a.
Above-mentioned a kind of rainwater drainage method and device based on hydrodynamics and lever principle, on the borehole wall of the abandoned stream well
It is provided with and marks time.
Above-mentioned a kind of rainwater drainage method and device based on hydrodynamics and lever principle, the one of the borehole wall diversion pipe
End is fixed on the bottom of water inlet pipe, and the other end is extended at flexible cable；The borehole wall diversion pipe is fixed on abandoned stream well by pipe clamp
On the borehole wall.
Above-mentioned a kind of rainwater drainage method and device based on hydrodynamics and lever principle, the borehole wall diversion pipe mouth of pipe
For 45 degree of corner cut mouths of pipe, borehole wall diversion pipe is managed interior bottom with water inlet pipe two and is flushed.
Above-mentioned a kind of rainwater drainage method and device based on hydrodynamics and lever principle, the cavity of the hollow valve plate
Volume can be adjusted according to the abandoned stream time difference required by different zones, and cavity volume V calculation formula are V=(qInto-qGo out)
t；Wherein q is the water flow in the unit time, and t is the time of flow.
Above-mentioned a kind of rainwater drainage method and device based on hydrodynamics and lever principle, adjust qGo outCan be by adjusting row
Water hole aperture sets multiple osculums.
Compared with prior art, beneficial effects of the present invention：The configuration of the present invention is simple, transmission parts are few, without any survey
Control, electric operator, no environmental requirement, failure rate is minimum and maintenance is convenient, be adapted to it is any under the conditions of municipal rainwater receipts
Collect work.
Brief description of the drawings
The present invention is specifically described below by attached drawing and in conjunction with the embodiments, wherein content is only used for the present invention shown in attached drawing
Explanation, without form to the present invention in all senses on limitation.
Fig. 1 is the initial duty construction schematic diagram of the present invention；
Fig. 2 is the water storage duty construction schematic diagram of the present invention；
Fig. 3 is the structure diagram of hollow valve plate in the present invention；
Fig. 4 is the structure diagram of borehole wall diversion pipe in the present invention；
Reference numeral：1st, abandoned stream well；2nd, control valve；3rd, borehole wall diversion pipe；4th, mark time；5th, ground；6th, well lid；7th, pipe clamp；
10th, abandoned stream pipe；11st, water inlet pipe；12nd, collector pipe；13rd, grid；20th, clump weight；21st, hollow valve plate；22nd, fixed pulley；23rd, it is soft
Rope；210th, inlet opening；211st, osculum.
Embodiment
Elaborate below to the embodiment of the present invention：The present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process.It should be pointed out that to those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some variations and modifications can also be made, these belong to protection of the present invention
Scope.
A kind of rainwater drainage method based on hydrodynamics and lever principle, the method are set respectively in abandoned stream well 1
Abandoned stream pipe 10, water inlet pipe 11, collector pipe 12 are put, wherein abandoned stream pipe 10, water inlet pipe 11 is connected with municipal sewage pipe network, collector pipe 12
Connected with cistern, the hollow valve plate 21 being provided with the water inlet of abandoned stream pipe 10 in control valve 2, also sets in control valve 2
Clump weight 20 is put, clump weight 20 positioned at 22 both sides of fixed pulley and is connected, is opened up in hollow valve plate 21 respectively with hollow valve plate 21
There are an inlet opening 210 and osculum 211, the water in water inlet pipe 11 enters hollow valve plate 21 along borehole wall diversion pipe 3 through inlet opening 210
It is interior, the lifting of hollow valve plate 21 is realized using lever principle, and then the keying of abandoned stream pipe 10 is controlled, precontamination is serious
Rainwater is discharged into municipal sewage pipe network by abandoned stream pipe 10, collects later stage clean rainwater to cistern；
In initial operating mode, as shown in Figure 1, overweighting hollow valve plate 21, hollow core valve without rainwater, clump weight 20 in hollow valve plate 21
Plate 21 rises, and opens abandoned stream pipe 10, and after rainfall runoff is formed, rainwater enters abandoned stream well 1, precontamination by water inlet pipe 11 first
Serious rainwater is directly discharged into municipal sewage pipe network via abandoned stream pipe 10, meanwhile, the water in water inlet pipe 11 is logical along borehole wall diversion pipe 3
Inlet opening 210 is crossed to enter in hollow valve plate 21, with continuing for rainfall, the rainwater in hollow valve plate 21 is continuously increased, when
When hollow valve plate 21 and the gross weight of its interior water are more than clump weight 20, hollow valve plate 21 declines, and abandoned stream pipe 10 is closed, into water storage
Operating mode, as shown in Fig. 2, hereafter the small later stage clean rainwater of pollution level is accumulated in abandoned stream well 1, water level rises, by collector pipe
Grid 13 at 12 mouths of pipe filters, and finally flows into collector pipe 12, and is ultimately discharged into cistern, when cistern is collected completely completely
Afterwards, 10 downstream of abandoned stream pipe can be entered by bypass pipe, be discharged into municipal sewage pipe network；After rainfall, into hollow valve plate 21
Water be less than bottom drain holes 211 displacement, memory discharge reduction, when hollow valve plate 21 and the gross weight of its interior water are less than
During clump weight weight, hollow valve plate 21 rises, and abandoned stream pipe 10 is opened, and drains remaining rainwater in abandoned stream well 1, replys initial work
Condition, until the arrival of next rainwater, moves in circles.
A kind of rainwater flow-discarding device based on hydrodynamics and lever principle, as shown in Figure 1, Figure 2 and Figure 3, including abandoned stream
Well 1 and control valve 2；The abandoned stream well 1 include from shaft bottom and on the abandoned stream pipe 10, water inlet pipe 11, the collector pipe 12 that set gradually；Institute
State the bottom that abandoned stream pipe 10 is located at abandoned stream well 1；The abandoned stream pipe 10 is located at the side of 1 borehole wall of abandoned stream well, water inlet with collector pipe 12
Pipe 11 is located at the opposite side of 1 borehole wall of abandoned stream well；Grid 13 is installed between the water inlet pipe 11 and collector pipe 12, for filter into
Enter the rainwater in collector pipe 12；The control valve 2 includes clump weight 20, hollow valve plate 21, fixed pulley 22；The hollow valve plate 21
At the mouth of pipe of abandoned stream pipe 10；The clump weight 20 positioned at 22 both sides of fixed pulley and passes through flexible cable 23 respectively with hollow valve plate 21
It is connected；The top of hollow valve plate 21 offers inlet opening 210, and bottom offers osculum 211；At the inlet opening 210
Grid is installed；Connected between the water inlet pipe 11 and flexible cable 23 by borehole wall diversion pipe 3.
Further, the fixed pulley 22 sets two.
Further, it is provided with the borehole wall of the abandoned stream well 1 and marks time 4, is facilitated maintenance personal to go into the well and nose into and repair.
Further, one end of the borehole wall diversion pipe 3 is fixed on the bottom of water inlet pipe 11, and the other end extends to flexible cable 23
Place；As shown in figure 4, the borehole wall diversion pipe 3 is fixed on by pipe clamp 7 on the borehole wall of abandoned stream well 1,3 mouth of pipe of borehole wall diversion pipe is
45 degree of corner cut mouths of pipe, bottom flushes in 11 liang of pipes of borehole wall diversion pipe 3 and water inlet pipe.
Further, the cavity volume of the hollow valve plate 21 can it is different according to the abandoned stream time required by different zones and into
Row adjustment, cavity volume V calculation formula are V=(qInto-qGo out)t；Wherein q is the water flow in the unit time, and t is the time of flow.
Further, q is adjustedGo outBy adjusting 211 aperture of osculum or multiple osculums 211 can be set.
The above is preferred exemplary applications of the invention, not limitation of the present invention, every technology according to the present invention
Simple modification that main points are made, structure change change are belonged within protection scope of the present invention.
Claims (8)
- A kind of 1. rainwater drainage method based on hydrodynamics and lever principle, it is characterised in that：The method is in abandoned stream well (1) abandoned stream pipe (10), water inlet pipe (11), collector pipe (12) are set respectively in, wherein the abandoned stream pipe (10), water inlet pipe (11) with Municipal sewage pipe network connects, and the collector pipe (12) connects with cistern, is provided with the water inlet of the abandoned stream pipe (10) Hollow valve plate (21) in control valve (2), also sets up clump weight (20) in the control valve (2), the clump weight (20) with Hollow valve plate (21) positioned at fixed pulley (22) both sides and is connected respectively, and the fixed pulley (22) is fixed on the well of abandoned stream well (1) On wall, inlet opening (210) and osculum (211) are offered on the hollow valve plate (21), the water edge in the water inlet pipe (11) Borehole wall diversion pipe (3) enters in hollow valve plate (21) through inlet opening (210), and hollow valve plate (21) is realized using lever principle Lifting, and then the keying of abandoned stream pipe (10) is controlled, the serious rainwater of precontamination is discharged into municipal wastewater by abandoned stream pipe (10) Pipe network, collects later stage clean rainwater to cistern；In initial operating mode, without rainwater in hollow valve plate (21), clump weight (20) overweights hollow valve plate (21), in hollow valve plate (21) Rise, open abandoned stream pipe (10), after rainfall runoff is formed, rainwater enters abandoned stream well (1), precontamination by water inlet pipe (11) first Serious rainwater is directly discharged into municipal sewage pipe network via abandoned stream pipe (10), meanwhile, water in water inlet pipe (11) is along borehole wall water conservancy diversion (3) are managed by inlet opening (210) to enter in hollow valve plate (21), with continuing for rainfall, the rain in hollow valve plate (21) Water is continuously increased, and when the gross weight of hollow valve plate (21) and its interior water is more than clump weight (20), hollow valve plate (21) declines, and closes Abandoned stream pipe (10) is closed, into water storage operating mode, hereafter the small later stage clean rainwater of pollution level is in the middle accumulation of abandoned stream well (1), well Water level rises, and after grid (13) filtering at collector pipe (12) mouth of pipe, flows into collector pipe (12), and be ultimately discharged into storage Pond, after cistern is collected completely completely, can enter abandoned stream pipe (10) downstream by bypass pipe, be discharged into municipal sewage pipe network； After rainfall, the inflow in hollow valve plate (21) is less than the displacement of bottom drain holes (211), and interior water-holding quantity constantly subtracts Few, when the gross weight of hollow valve plate (21) and its interior water is less than clump weight weight, hollow valve plate (21) rises, abandoned stream pipe (10) Open, drain remaining rainwater in abandoned stream well (1), recover initial operating mode, until the arrival of next rainwater, moves in circles.
- A kind of 2. rainwater flow-discarding device based on hydrodynamics and lever principle, it is characterised in that：Including abandoned stream well (1), control Valve (2) and borehole wall diversion pipe (3)；The abandoned stream well (1) include from shaft bottom and on the abandoned stream pipe (10), the water inlet pipe that set gradually (11), collector pipe (12)；The abandoned stream pipe (10) is located at the bottom of abandoned stream well (1)；The water inlet pipe (11) and collector pipe (12) Between grid (13) is installed；The control valve (2) includes clump weight (20), hollow valve plate (21), fixed pulley (22)；The sky Heart valve plate (21) is located at the mouth of pipe of abandoned stream pipe (10), can be vertically moved up or down；The clump weight (20) and hollow valve plate (21) It is located at fixed pulley (22) both sides respectively and is connected by flexible cable (23)；Inlet opening is offered at the top of the hollow valve plate (21) (210), the water in the water inlet pipe (11) is entered in hollow valve plate (21) along borehole wall diversion pipe (3) by inlet opening (210), institute State hollow valve plate (21) bottom and offer osculum (211)；Inlet opening (210) place is provided with grid；The water inlet pipe (11) it is connected between flexible cable (23) by borehole wall diversion pipe (3).
- A kind of 3. rainwater flow-discarding device based on hydrodynamics and lever principle according to claim 2, it is characterised in that： The fixed pulley (22) sets two.
- A kind of 4. rainwater flow-discarding device based on hydrodynamics and lever principle according to claim 2, it is characterised in that： It is provided with mark time (4) on the borehole wall of the abandoned stream well (1).
- A kind of 5. rainwater flow-discarding device based on hydrodynamics and lever principle according to claim 2, it is characterised in that： One end of the borehole wall diversion pipe (3) is fixed on the bottom of water inlet pipe (11), and the other end extends to flexible cable (23) place；The borehole wall Diversion pipe (3) is fixed on the borehole wall of abandoned stream well (1) by pipe clamp (7).
- A kind of 6. rainwater flow-discarding device based on hydrodynamics and lever principle according to claim 2, it is characterised in that： Borehole wall diversion pipe (3) mouth of pipe is 45 degree of corner cut mouths of pipe, and borehole wall diversion pipe (3) is flushed with bottom in (11) two pipe of water inlet pipe.
- A kind of 7. rainwater flow-discarding device based on hydrodynamics and lever principle according to claim 2, it is characterised in that： The cavity volume of the hollow valve plate (21) can be adjusted, cavity volume according to the abandoned stream time difference required by different zones V calculation formula are V=(qInto-qGo out)t；Wherein qIntoFor the inflow in the unit time, qGo outFor the displacement in the unit time, t is Time of flow.
- A kind of 8. rainwater flow-discarding device based on hydrodynamics and lever principle according to claim 7, it is characterised in that： Adjust the qGo outCan by adjusting osculum (211) aperture or set multiple osculums (211) to realize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610227619.5A CN105839757B (en) | 2016-04-13 | 2016-04-13 | A kind of rainwater drainage method and device based on hydrodynamics and lever principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610227619.5A CN105839757B (en) | 2016-04-13 | 2016-04-13 | A kind of rainwater drainage method and device based on hydrodynamics and lever principle |
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| CN105839757A CN105839757A (en) | 2016-08-10 |
| CN105839757B true CN105839757B (en) | 2018-04-13 |
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| CN201610227619.5A Expired - Fee Related CN105839757B (en) | 2016-04-13 | 2016-04-13 | A kind of rainwater drainage method and device based on hydrodynamics and lever principle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687316B (en) * | 2019-01-09 | 2020-02-14 | 浙江江山博奥电气有限公司 | Constant temperature switch cabinet |
| CN110258757A (en) * | 2019-06-25 | 2019-09-20 | 济南市市政工程设计研究院（集团）有限责任公司 | A kind of rainwater recovery device and method suitable for roads rain inlet |
| CN111926650B (en) * | 2020-09-14 | 2021-07-20 | 深圳市升源园林生态有限公司 | Sponge urban road surface rainwater recycling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4116908B2 (en) * | 2003-03-20 | 2008-07-09 | 本田技研工業株式会社 | Rain water |
| CN202324152U (en) * | 2011-10-28 | 2012-07-11 | 安徽汉威智能科技有限公司 | Rain-sewage diversion device |
| CN102505753A (en) * | 2011-11-08 | 2012-06-20 | 扬州大学 | Turning plate type preliminary rainwater intercepting well |
| CN204225213U (en) * | 2014-09-17 | 2015-03-25 | 安徽清环水工科技有限公司 | The dirty part flow arrangement of building rain |
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Granted publication date: 20180413 |