CN106939635A - A kind of overpass rainwater primary filter and retention device - Google Patents
A kind of overpass rainwater primary filter and retention device Download PDFInfo
- Publication number
- CN106939635A CN106939635A CN201710187234.5A CN201710187234A CN106939635A CN 106939635 A CN106939635 A CN 106939635A CN 201710187234 A CN201710187234 A CN 201710187234A CN 106939635 A CN106939635 A CN 106939635A
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- rainwater
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- overpass
- primary filter
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- 230000014759 maintenance of location Effects 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229920003023 plastic Polymers 0.000 claims abstract description 29
- 239000004033 plastic Substances 0.000 claims abstract description 29
- 239000012528 membrane Substances 0.000 claims abstract description 28
- 238000000746 purification Methods 0.000 claims abstract description 19
- 238000007689 inspection Methods 0.000 claims abstract description 12
- 239000004519 grease Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 230000003628 erosive effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000011499 joint compound Substances 0.000 description 3
- 239000010813 municipal solid waste Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 101100366940 Mus musculus Stom gene Proteins 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000725 suspension 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
-
- 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
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- 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 present invention relates to a kind of overpass rainwater primary filter and retention device, area and rainwater primary filter area are stored including early-stage rainwater, early-stage rainwater stores area and is placed in below rainwater primary filter area, the water side connection early-stage rainwater in rainwater primary filter area stores the water inlet end at the top of area, early-stage rainwater stores area bottom provided with inspection socket and abandoned stream mouthful, abandoned stream mouthful is connected to municipal Storm Sewer Network by municipal rainwater pipeline, the water inlet end connection overpass rain leader downspout in rainwater primary filter area, overpass rain leader downspout is arranged on below overpass, rainwater primary filter area is sequentially provided with water fender from inside to outside, oil suction filter membrane, plastic filter screen and water leg, delivery port is offered on water leg, delivery port connects rainwater purification reclaiming system by pipeline；The present invention compared with the existing technology, can be arranged on overpass rain leader downspout, alleviate the processing load of follow-up rainwater purification reclaiming system, realize the recycling of rainwater, and simple in construction, dismounting is flexible.
Description
[technical field]
The invention belongs to rainwater pollution control technology and recycling field, specifically a kind of overpass rainwater
Primary filter and retention device.
[background technology]
With the fast development of Urbanization in China and the overpass network system, the gathering ground of the waterproof road in city
Product constantly amplification, causes the original water body Natural Circulation path in city and flood runoff generation characteristic to occur significant changes, thus brings rain
The problems such as water resource utility model, municipal Storm Sewer Network load increase and urban waterlogging take place frequently.
In addition, the road surface erosion that driving vehicle is caused with pavement friction on overpass, tire wear, vehicle exhaust, combustion
Oil and oil leakage etc. can cause rainwater runoff pollution, rainwater is carried substantial amounts of silt, SS, organic
Each pollutant such as thing, nutriment, heavy metal and grease.Wherein, early-stage rainwater pollution level highest, pollutant load is reachable
As many as several times to ordinary municipal sewage.
How to realize that the early-stage rainwater of overpass is quickly collected, stored and abandoned stream, the primary for completing middle and later periods rainwater is net
Change, can not only mitigate the processing load of follow-up rainwater purification system, reach control rainwater pollution and realize Rainwater Resources profit
Purpose, is also to meet the need for China carries forward vigorously sponge urban construction at present, will have in green urban construction field
Broad prospect of application.
At present, existing rainwater-collecting and the retention device (patent No.：CN200580040462.5) use and pass through amount of rainfall
Number control the keying of ball-cock assembly, but the apparatus structure is complicated, and filter screen is easily blocked, and is more applicable for runoff more clean
Rain water on roof, be not suitable for applying again in the more overpass rain water collecting system of impurity particle.In addition, a kind of overhead road surface
Inlet for stom water collects the method (number of patent application of rainwater installation and Collection utilization rainwater：CN201610066187.4), in abandoned stream rain
Bucket top sets collection roof drain, collects the bridge floor that roof drain is higher by overhead road surface, can be realized from source is collected to early-stage rainwater
And the abandoned stream of the dirtier rainwater of bottom, but the device needs to change or transforms existing overpass roof drain, and how
Installed and hidden on the overpass built up and be higher by the inlet for stom water of bridge floor and there is certain difficulty, therefore the invention device
Popularization and application will be by a definite limitation.In the prior art, viaduct rainwater purification and Collection utilization integrated approach and system
(number of patent application：CN201310388987.4), using gravity sediment by rotational flow technology and Purification principle, respectively
Suspended particulate and organic-inorganic pollutant are efficiently removed, but need to set cistern and cyclone separator, is existed
Volume is larger, complex structure, inconvenience construction and follow-up maintenance.
Therefore, if a kind of rainwater-collecting feature for existing overpass can be provided, with what is flexibly dismantled and install
Rainwater primary filter and retention device, will have very important significance.
[content of the invention]
A kind of overpass rainwater primary filter is provided and stored present invention aim to solve above-mentioned deficiency
Device, can be arranged on overpass rain leader downspout, alleviate the processing load of follow-up rainwater purification reclaiming system, realize
The recycling of rainwater, and simple in construction, dismounting is flexible.
A kind of overpass rainwater primary filter and retention device are designed to achieve the above object, including early-stage rainwater is stored
Area 2 and rainwater primary filter area 3, the early-stage rainwater store area 2 and are placed in the lower section of rainwater primary filter area 3, the rainwater
The water side connection early-stage rainwater in primary filter area 3 stores the water inlet end at the top of area 2, and the early-stage rainwater stores the bottom of area 2 and set
There are inspection socket 6 and abandoned stream mouthful, the inspection socket 6 is used to pacify at the debris for clearing up the carrying of rain drop erosion road, the abandoned stream mouthful
Equipped with valve 1, the valve 1 is connected to municipal Storm Sewer Network, the rainwater primary filter area by municipal rainwater pipeline 4
3 water inlet end connection overpass rain leader downspout 1, the overpass rain leader downspout 1 is arranged on below overpass, the rain
Water primary filter area 3 is sequentially provided with water fender 8, oil suction filter membrane 9, plastic filter screen 10 and water leg 11, the dash from inside to outside
Plate 8 is horizontally disposed, and the periphery of water fender 8 is provided with oil suction filter membrane 9 and plastic filter screen 10, and the oil suction filter membrane 9 is fixedly connected
In plastic filter screen 10, the plastic filter screen 10 is used to intercept the bulky grain suspended solid in rainwater, and the oil suction filter membrane 9 is used for
Each quasi-grease of rain water float is adsorbed, the periphery of plastic filter screen 10 is provided with water leg 11, the water leg 11 and opened up
There is delivery port, the delivery port connects rainwater purification reclaiming system 12 by pipeline.
Further, the early-stage rainwater store the bottom inspection socket 6 of area 2 set location be less than municipal rainwater pipeline 4 with
And the set location of valve 1.
Further, the water inlet end in the rainwater primary filter area 3 is provided with valve 27, the water outlet of the water leg 11
Mouth is provided with valve 3 15, and the valve 27 is used for the amount of rainfall for controlling to enter rainwater primary filter area 3, the valve 3 15
For controlling the amount of rainfall into rainwater purification reclaiming system 12.
Further, the working depth of the oil suction filter membrane 9 is less than the working depth of plastic filter screen 10.
Further, the base of the oil suction filter membrane 9 is placed at the top 2mm of water fender 8, and the oil suction filter membrane 9 passes through
Snap is sticked on plastic filter screen 10.
Further, the outside of rainwater primary filter area 3 is provided with nethike embrane replacement port 13, and the nethike embrane replacement port 13 is used for
Install and change oil suction filter membrane 9 and plastic filter screen 10.
Further, the rainwater primary filter area 3 is fixedly connected on the overhead road below overpass using flange 14
On road rain leader downspout 1.
The present invention compared with the existing technology, has the following advantages that：
(1) early-stage rainwater storage can be adjusted according to the features such as local rainfall intensity, rainfall duration and rainwater on road surface concentration time
Stay the height and container in area, it is ensured that the heavier early-stage rainwater of pollution level is collected and abandoned stream；
(2) it is provided for adsorbing the oil suction filter membrane of each quasi-grease and the plastic filter screen for intercepting suspended impurity, Yi Jiyong
In the inspection socket of sedimentation stone, mud and rubbish incidental, so as to realize the comprehensive primary of overpass middle and later periods rainwater
Purification, alleviates the processing load of follow-up rainwater purification reclaiming system, realizes the recycling of rainwater；
(3) set reasonable, simple in construction, assembling flexible, can be directly mounted on overpass rain leader downspout, and
Ensure to collect rainwater on the premise of overpass proper drainage, mitigate the processing load of follow-up rainwater purification system, beneficial effect
Significantly, it is easy to utilize.
[brief description of the drawings]
Fig. 1 is the structural representation of the present invention；
In figure：1st, overpass rain leader downspout 2, early-stage rainwater store area 3, rainwater primary filter area 4, municipal rainwater
Pipeline 5, valve 1, inspection socket 7, valve 28, water fender 9, oil suction filter membrane 10, plastic filter screen 11, water leg 12,
Rainwater purification reclaiming system 13, nethike embrane replacement port 14, flange 15, valve three.
[embodiment]
Further explained below is made to the present invention below in conjunction with the accompanying drawings：
As shown in Figure 1, the present invention stores area 2 and 3 two, rainwater primary filter area region, initial stage including early-stage rainwater
Rainwater retention area 2 is placed in the lower section of rainwater primary filter area 3, and the water side connection early-stage rainwater in rainwater primary filter area 3 is stored
The water inlet end at the top of area 2, early-stage rainwater stores the bottom of area 2 provided with inspection socket 6 and abandoned stream mouthful, and inspection socket 6 is used to clear up rainwater
Wash away at the debris such as stone, mud and the rubbish of road carrying, abandoned stream mouthful and valve 1 is installed, valve 1 passes through municipal rainwater
Pipeline 4 is connected to municipal Storm Sewer Network, for collecting the early-stage rainwater with abandoned stream road surface heavy contamination；Rainwater primary filter area 3
Water inlet end connection overpass rain leader downspout 1, overpass rain leader downspout 1 is arranged on below overpass, rainwater primary mistake
Filter area 3 is sequentially provided with water fender 8, oil suction filter membrane 9, plastic filter screen 10 and water leg 11 from inside to outside, and water fender 8 is horizontally disposed,
The periphery of water fender 8 is provided with oil suction filter membrane 9 and plastic filter screen 10, and oil suction filter membrane 9 is fixedly connected in plastic filter screen 10, plastics filter
Net 10 is used to intercept the solid suspension in rainfall middle and later periods rainwater on road surface, and oil suction filter membrane 9 is used to adsorb each of rain water float
Quasi-grease, makes rainwater after the preliminary treatment in the region, can be directly entered follow-up rainwater purification reclaiming system, plastic filter screen 10
Periphery, which is provided with water leg 11, water leg 11, offers delivery port, and delivery port connects rainwater purification reclaiming system by pipeline
12。
Wherein, early-stage rainwater stores the set location of the bottom inspection socket 6 of area 2 less than the municipal administration for being connected to municipal Storm Sewer Network
The set location of rainwater pipeline 4 and valve 1.In addition, the water inlet end in rainwater primary filter area 3 is provided with valve 27, catchment
The delivery port of groove 11 is provided with valve 3 15, and valve 27 is used for autonomous control and enters overpass rainwater primary filter and store
The amount of rainfall of device, valve 3 15 is used for the amount of rainfall for controlling to enter rainwater purification reclaiming system 12.Also, oil suction filter membrane 9
Working depth is less than the working depth of plastic filter screen 10, and the base of oil suction filter membrane 9 is placed at the top 2mm of water fender 8, oil suction filter
Film 9 is sticked on plastic filter screen 10 by snap.The outside of rainwater primary filter area 3 is provided with nethike embrane replacement port 13, so that side
Just install and change the oil suction filter membrane and plastic filter screen inside filtering area.In addition, rainwater primary filter area 3 can be consolidated using flange 14
Surely it is connected on the overpass rain leader downspout 1 below overpass, flexibly dismounting and installation.
Overpass rainwater primary filter and retention device of the present invention, can be arranged on the height below overpass
On frame road rain water standpipe, or it is arranged on before follow-up rainwater purification reclaiming system.Its specific implementation step is：
1) early-stage rainwater is collected and abandoned stream：In the rainfall primary stage, the rainwater on road surface collected by overpass is via overhead
Road rain water standpipe stores area into early-stage rainwater, treats rainwater-collecting to the dash Board position in rainwater primary filter area, initial stage rain
Water, which is stored, to be connected to the valve of municipal Storm Sewer Network and independently opens after 1min and be again switched off in area, so that it is heavier to complete precontamination
Rainwater-collecting and abandoned stream.
2) primary filter of middle and later periods rainwater：Treat that early-stage rainwater stores the amount of rainfall in area and accumulates the primary mistake of rainwater again
When filtering the dash Board position in area, it will be overflowed to through plastic filter screen in water leg, the bulky grain suspended solid in rainwater is by plastics
Filter screen is intercepted, and each quasi-grease of rain water float is fixed on the oil suction on plastic filter screen by water level fluctuation and capillarity
Filter membrane is adsorbed, and then realizes the primary filter of rainwater, into follow-up rainwater purification recycling processing system.
3) the keying operation of device valve：Instrument and meter for automation remote control can be installed according to local condition of technology and economy, or
It is to use manual hand manipulation.
4) maintenance and management of device：Mainly the stone of rainwater retention area bottom, mud in the early stage are fallen in periodic cleaning
With the debris such as road garbage, the floating impurity on rainwater primary filter area filter screen is intercepted, and change the oil suction of immersion oil saturation
Filter membrane.
The present invention is simultaneously not limited to the embodiments described above limitation, other any Spirit Essences and principle without departing from the present invention
Lower made change, modification, replacement, combination, simplification, should be equivalent substitute mode, be included in the protection model of the present invention
Within enclosing.
Claims (7)
1. a kind of overpass rainwater primary filter and retention device, it is characterised in that：Including early-stage rainwater store area (2) and
Rainwater primary filter area (3), the early-stage rainwater stores area (2) and is placed in below rainwater primary filter area (3), at the beginning of the rainwater
The water side connection early-stage rainwater of level filtering area (3) stores the water inlet end at the top of area (2), and the early-stage rainwater stores area (2) bottom
Portion is provided with inspection socket (6) and abandoned stream mouthful, and the inspection socket (6) is used for the debris for clearing up the carrying of rain drop erosion road, described to abandon
Valve one (5) is installed, the valve one (5) is connected to municipal Storm Sewer Network by municipal rainwater pipeline (4), described at head piece
The water inlet end connection overpass rain leader downspout (1) in rainwater primary filter area (3), the overpass rain leader downspout (1) is installed
Below overpass, the rainwater primary filter area (3) is sequentially provided with water fender (8), oil suction filter membrane (9), modeling from inside to outside
Expect filter screen (10) and water leg (11), the water fender (8) is horizontally disposed, and water fender (8) periphery is provided with oil suction filter membrane
(9) and plastic filter screen (10), the oil suction filter membrane (9) is fixedly connected in plastic filter screen (10), and the plastic filter screen (10) is used
In intercepting the bulky grain suspended solid in rainwater, the oil suction filter membrane (9) is used for each quasi-grease for adsorbing rain water float, described
Plastic filter screen (10) periphery is provided with water leg (11), the water leg (11) and offers delivery port, and the delivery port passes through
Pipeline connection rainwater purification reclaiming system (12).
2. overpass rainwater primary filter as claimed in claim 1 and retention device, it is characterised in that：The early-stage rainwater
The set location for storing area (2) bottom inspection socket (6) is less than the set location of municipal rainwater pipeline (4) and valve one (5).
3. overpass rainwater primary filter as claimed in claim 1 or 2 and retention device, it is characterised in that：The rainwater
The water inlet end in primary filter area (3) is provided with valve two (7), and the delivery port of the water leg (11) is provided with valve three (15),
The valve two (7) is used for the amount of rainfall for controlling to enter rainwater primary filter area (3), and the valve three (15) is used to control to enter
The amount of rainfall of rainwater purification reclaiming system (12).
4. overpass rainwater primary filter as claimed in claim 3 and retention device, it is characterised in that：The oil suction filter membrane
(9) working depth is less than the working depth of plastic filter screen (10).
5. overpass rainwater primary filter as claimed in claim 4 and retention device, it is characterised in that：The oil suction filter membrane
(9) base is placed in above water fender (8) at 2mm, and the oil suction filter membrane (9) sticks on plastic filter screen by snap
(10) on.
6. overpass rainwater primary filter as claimed in claim 5 and retention device, it is characterised in that：The rainwater is primary
Be provided with nethike embrane replacement port (13) on the outside of filtering area (3), the nethike embrane replacement port (13) be used to installing and change oil suction filter membrane (9) with
And plastic filter screen (10).
7. overpass rainwater primary filter as claimed in claim 6 and retention device, it is characterised in that：The rainwater is primary
Filtering area (3) is fixedly connected on the overpass rain leader downspout (1) below overpass using flange (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187234.5A CN106939635B (en) | 2017-03-27 | 2017-03-27 | A kind of overpass rainwater primary filter and retention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187234.5A CN106939635B (en) | 2017-03-27 | 2017-03-27 | A kind of overpass rainwater primary filter and retention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106939635A true CN106939635A (en) | 2017-07-11 |
| CN106939635B CN106939635B (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710187234.5A Expired - Fee Related CN106939635B (en) | 2017-03-27 | 2017-03-27 | A kind of overpass rainwater primary filter and retention device |
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| Country | Link |
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| CN (1) | CN106939635B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476186A (en) * | 2017-07-13 | 2017-12-15 | 浙江大学 | The emergent identification of highway, Bridge Accidents, response and processing system and method |
| CN108516655A (en) * | 2018-06-29 | 2018-09-11 | 环境保护部南京环境科学研究所 | A kind of industry life combined pollution area enters river mouth initial rainwater interception purifier |
| CN112343161A (en) * | 2020-10-26 | 2021-02-09 | 辽宁工程技术大学 | Multilayer water storage device for ecological restoration of mine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021930A (en) * | 2009-09-17 | 2011-04-20 | 储贻斌 | Automatic rainwater collecting distribution station |
| CN105525646A (en) * | 2016-01-29 | 2016-04-27 | 济南轨道交通集团有限公司 | Elevated road surface gutter inlet rainwater collecting device and method for collecting and using rainwater |
| CN105672442A (en) * | 2016-01-07 | 2016-06-15 | 甘肃农业大学 | Rainwater discarding and collecting device |
| CN205455048U (en) * | 2016-03-18 | 2016-08-17 | 上海市绿化管理指导站 | A rainwater regulation irrigation system for greenbelt under overpass |
-
2017
- 2017-03-27 CN CN201710187234.5A patent/CN106939635B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021930A (en) * | 2009-09-17 | 2011-04-20 | 储贻斌 | Automatic rainwater collecting distribution station |
| CN105672442A (en) * | 2016-01-07 | 2016-06-15 | 甘肃农业大学 | Rainwater discarding and collecting device |
| CN105525646A (en) * | 2016-01-29 | 2016-04-27 | 济南轨道交通集团有限公司 | Elevated road surface gutter inlet rainwater collecting device and method for collecting and using rainwater |
| CN205455048U (en) * | 2016-03-18 | 2016-08-17 | 上海市绿化管理指导站 | A rainwater regulation irrigation system for greenbelt under overpass |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476186A (en) * | 2017-07-13 | 2017-12-15 | 浙江大学 | The emergent identification of highway, Bridge Accidents, response and processing system and method |
| CN107476186B (en) * | 2017-07-13 | 2018-12-04 | 浙江大学 | Highway, the identification of Bridge Accidents emergency, response and processing system and method |
| CN108516655A (en) * | 2018-06-29 | 2018-09-11 | 环境保护部南京环境科学研究所 | A kind of industry life combined pollution area enters river mouth initial rainwater interception purifier |
| CN108516655B (en) * | 2018-06-29 | 2024-04-09 | 环境保护部南京环境科学研究所 | Industrial life combined pollution district river mouth initial stage rainwater interception purifier |
| CN112343161A (en) * | 2020-10-26 | 2021-02-09 | 辽宁工程技术大学 | Multilayer water storage device for ecological restoration of mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106939635B (en) | 2019-07-19 |
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Granted publication date: 20190719 |