CN108545895A - A kind of river external source pollution treatment system - Google Patents
A kind of river external source pollution treatment system Download PDFInfo
- Publication number
- CN108545895A CN108545895A CN201810649319.5A CN201810649319A CN108545895A CN 108545895 A CN108545895 A CN 108545895A CN 201810649319 A CN201810649319 A CN 201810649319A CN 108545895 A CN108545895 A CN 108545895A
- Authority
- CN
- China
- Prior art keywords
- sewage
- river
- external source
- source pollution
- treatment system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of river external source pollution treatment systems：Including being arranged in river every dirty wall, described to form isolated area every dirty wall and riverbank, external source pollution is discharged into the isolated area through sewage draining exit, further includes having sewage-treatment plant, the sewage in the isolated area is handled through water pump to the sewage-treatment plant.The isolated area for forming relative closure in river every dirty wall of the present invention, isolated area plays the role of remittance to external source pollution and receives, so that the sewage of sewage draining exit discharge and the sewage of sewage network leakage do not flow into river, the sewage in isolated area is handled convenient for sewage-treatment plant；The present invention, which can be used as, to cut dirt and receives the strong supplement of pipe, and the external source pollution problem fundamentally to solve black-odor riverway provides the foundation.
Description
Technical field
The present invention relates to environmental technology fields, and in particular to arrives a kind of river external source pollution treatment system.
Background technology
With industrialized rapid development, river is polluted by getting worse.Due to the mobility in river, many pollutions
Substance, which enters behind river to be just washed, to be taken away, and is easily ignored by people.Important infrastructure of the city river as city, is both city
City controls flood and drains flooded fields and draws the channel of drought resisting, and is the important leverage of urban landscape and citizen's leisure.But with the height of urban economy
Speed development, urbanization and process of industrialization continuous quickening, city river water quality receives serious destruction and pollution, makes city
Living environment and landscape effect receive serious destruction, therefore it is very urgent to carry out quality recovery to urban river.
The core and key of river regulation are that external source pollution is cut a dirt to receive pipe, prevent from being directly discharged into river, it is dirty to increase river
Contaminate load.It is black and odorous water regulation most directly effective engineering measure to cut dirt and receive pipe, and takes the premise of other technologies measure.
But it cuts dirt and receives pipe and exist and invest that the sewage spills difficulty that big, long in time limit and sewage network leakage loss is formed is found, refractory reason etc. lacks
Point.Especially some old towns are not easy to carry out pipeline rehabilitation or roughing-in and sewage are received pipe.
Invention content
In order to overcome the problems, such as under the environment such as old city that the inconvenient sewage that carries out receives pipe, the present invention provides a kind of river outside
Source pollution treatment system cuts dirt as external source pollution and receives the supplement of pipe.
The technical solution adopted by the present invention is as follows：
A kind of river external source pollution treatment system：Including being arranged in river every dirty wall, it is described every dirty wall and riverbank formed every
From area, external source pollution is discharged into the isolated area through sewage draining exit, further includes having sewage-treatment plant, the sewage warp in the isolated area
Water pump to the sewage-treatment plant is handled.
The beneficial effects of the invention are as follows：The isolated area for forming relative closure in river every dirty wall of the present invention, isolated area
Playing the role of remittance to external source pollution to receive so that the sewage of sewage draining exit discharge and the sewage of sewage network leakage do not flow into river,
The sewage in isolated area is handled convenient for sewage-treatment plant；The present invention, which can be used as, to cut dirt and receives the strong supplement of pipe, for from
The external source pollution problem for fundamentally solving black-odor riverway provides the foundation.
Preferably：Water intake well is set in the isolated area, the water pump is arranged inside the water intake well, the water intake well
The borehole wall sets water inlet, and the position of the water pump is less than the water inlet.
Preferably：The downstream of the disposed proximally sewage draining exit of the water intake well.
Preferably：The water inlet is furnished with aperture plate.
Preferably：Sewage is discharged into the river after sewage-treatment plant processing.
Preferably：It is described to be equipped with high-order spout hole every dirty wall.
Preferably：The sewage-treatment plant is artificial swamp, includes multilayer dielectricity, and the top of the multilayer dielectricity plants
Kind wetland plant, bottom set antiseepage film, and the shallow-layer of the multilayer dielectricity sets water distributor, bottom sets collector pipe, and the water distributor exists
The surface layer of the multilayer dielectricity is equipped with several water distribution mouths, and the water distributor is connected to the water pump, and the collector pipe drains into described
River.
Preferably：The multilayer dielectricity is from top to bottom followed successively by diameter 40~60mm rubbles layer, 10~30mm microliths layer, 8
~10mm gravel layers, 1~2mm coarse sands layers, 0.5~0.8mm fine sand layers.
Preferably：The collector pipe observation port communicated with the collector pipe is additionally provided with inside the multilayer dielectricity, it is described artificial
The side wall of wetland is equipped with overflow port.
Description of the drawings
Attached drawing 1 is the schematic top plan view of the embodiment of the present invention.
Attached drawing 2 is the schematic cross-section of the embodiment of the present invention.
River 1, every dirty wall 2, riverbank 3, isolated area 4, sewage draining exit 5, sewage-treatment plant 6, water pump 7, water intake well 8, water inlet
Mouth 9, aperture plate 10, high-order spout hole 11, multilayer dielectricity 12, wetland plant 13, antiseepage film 14, water distributor 15, bottom set collector pipe
16, water distribution mouth 17, collector pipe observation port 18, overflow port 19, water outlet 20.
Specific implementation mode
With reference to embodiment and attached drawing and the invention will be further described.
In embodiment, as shown in Figure 1 and Figure 2, a kind of river external source pollution treatment system：Including be arranged in river 1 every
Dirty wall 2, described to form isolated area 4 every dirty wall 2 and riverbank 3, external source pollution is discharged into the isolated area 4 through sewage draining exit 5, further includes having
Sewage-treatment plant 6, the sewage in the isolated area 4 are handled through water pump 7 to the sewage-treatment plant 6.The present embodiment
The isolated area 4 for forming relative closure in the river 1 every dirty wall 2, isolated area 4 plays the role of remittance to external source pollution and receives so that arranges
The sewage for sewage and the sewage network leakage that dirty mouth 5 discharges does not flow into river, convenient for sewage-treatment plant 6 in isolated area 4
Sewage handled.
The present embodiment is primarily adapted for following situation：（1）There is apparent small-sized sewage draining exit to discharge a small amount of sewage；（2）Outmoded dirt
The sewage spills difficulty discovery of grid leakage loss formation, refractory reason situation；（3）Budgetary shortfall, it is difficult to by pipeline laying to sewage
Discharge receive pipe.In these cases, the present invention, which can be used as, cuts dirt and receives the strong supplement of pipe, fundamentally to solve black smelly river
The external source pollution problem in road provides the foundation.
In embodiment, preferably erects to more than 1 ordinary water level of river 30 ~ 80cm, can be adopted from river bottom mud every the height of dirty wall 2
With two kinds of forms of A, B in Fig. 1, form A is the Taoist priest wall built by laying bricks or stones along riverbank 3, and form B is to build cofferdam by laying bricks or stones near sewage draining exit 5.
The case where form A disperses suitable for sewage draining exit more than 5, the quantity of sewage-treatment plant 6 can be reduced；Form B is suitable for sewage draining exit 5 and relatively collects
In situation, the length every dirty wall 2 can be reduced.Suitable form can be according to circumstances selected in practical application, to reduce cost.
In embodiment, as shown in Figure 1 and Figure 2, water intake well 8 is set in isolated area 4 described in embodiment, the setting of the water pump 7 exists
Inside the water intake well 8, the borehole wall of the water intake well 8 sets water inlet 9, and the position of the water pump 7 is less than the water inlet 9.It takes
Well 8 is fiberglass, brick is mixed or armored concrete, volume are determined according to sewage quantity.The water intake well 8 of the present embodiment plays sewage
It is acted on to standing, is avoided that particulate matter larger in sewage or other sundries enter sewage-treatment plant 6, once it can be dropped in degree
The load of low sewage-treatment plant 6.The position of water pump 7 can be in a high position as possible so that it is maximum that the sewage of water intake well 8 stands effect
Change.
In embodiment, as shown in Figure 1 and Figure 2, the downstream of the disposed proximally sewage draining exit 5 of the water intake well 8, water inlet
For mouth 9 towards upstream, this structure can smoothly enter into water intake well 8 convenient for sewage.
In embodiment, as shown in Fig. 2, the water inlet 9 is furnished with aperture plate 10.Aperture plate 10 can be selected water inlet and be equipped with thin lattice
Net, prevents big suspended matter or the sundries such as the leaf that floats enter, and ensures water pump normal operation.
In embodiment, as shown in Figure 1, sewage is discharged into the river 1 after the processing of the sewage-treatment plant 6.This implementation
After the sewage disposal of example is up to standard, it can be directly discharged into river 1, may also pass through after advanced treating with used for other purposes.
It is as shown in Figure 1 and Figure 2, described to be equipped with high-order spout hole 11 every dirty wall 2 in embodiment.High-order spout hole 11 is mainly used
Ponding is quickly discharged in the Pluvial, height is preferably higher than 1 20 ~ 30cm of ordinary water level of river.
In embodiment, as shown in Figure 2：The sewage-treatment plant 6 is artificial swamp, includes multilayer dielectricity 12, described
The top plantation wetland plant 13 of multilayer dielectricity 12, bottom set HDPE antiseepage films 14, and the shallow-layer of the multilayer dielectricity 12 sets water distribution
Pipe 15, bottom set collector pipe 16, and the water distributor 15 is equipped with several water distribution mouths 17, the cloth on the surface layer of the multilayer dielectricity 12
Water pipe 15 is connected to the water pump 7, and the collector pipe 16 drains into the river 1.The sewage-treatment plant 6 of the present embodiment uses people
Work wetland, has the following advantages that：（1）It is good to handle outlet effect；（2）System dynamic equipment is few, operating cost is low, only water pump 7
Need power；（3）System is Ecological Disposal, is stablized, and is not easy to plug and does not need special messenger and keep an eye on；（4）Landscape effect is good, wetland surface
Not ponding, odorless, appearance can beautify the environment as flower bed while treated sewage.The system few, sewage pipe suitable for budget
Road spill and leakage difficulty finds, receives the river project of pipe difficulty.
The wetland plant 13 of the present embodiment is strong dirt-removing power, well developed root system, cold-resistant, the four seasons are evergreen, water convenient for management
Plant, including calamus, canna, Siberian iris, umbrella leaf are spent, and are tamed by previously cultivating, and root system more adapts to dirt
Water environment, processing absorption effect is stronger, and root system of plant is grown in length and breadth, and dredging medium is played for wetland decades normal operation
Effect, stabilizes the water permeability of medium, ensure that wetland effluent water stabilization qualified discharge.Through artificial swamp advanced water treatment
It is discharged into river after matter is up to standard from flowing through water outlet, plays the role of water diversion and renewal, diluted.
In embodiment, as shown in Fig. 2, the multilayer dielectricity 12 is from top to bottom followed successively by diameter 40~60mm rubbles layer, 10
~30mm microliths layer, 8~10mm gravel layers, 1~2mm coarse sands layers, 0.5~0.8mm fine sand layers.The medium size composition of this five sublayers
Combination can be controlled flow, flow velocity of the water body in artificial swamp by purified treatment requirement, control air and oxygen in Manual moist
Diffusion velocity between ground medium can effectively cultivate each aerobic, anaerobism and simultaneous oxygen quasi-microorganism group, reach ecological purification processing
Optimum efficiency.Pollutant in mixed layer sewage physics, chemistry, biology three in five layers of special media mixed layer of artificial swamp
Kind of coordinative role is degraded removal.Medium not only filters solids, provides carrier, but also the suction for passing through surface for microorganism growth
Echo removal of the oxidation raising to pollutant.Dielectric layer is from top to bottom divided into aerobic zone, aerobic area, anaerobic zone, is aerobic
Microorganism, anaerobe provide growth and working environment.
In embodiment, as shown in Fig. 2, being additionally provided with the collector pipe communicated with the collector pipe 16 inside the multilayer dielectricity 12
The side wall of observation port 18, the artificial swamp is equipped with overflow port 19.Collector pipe observation port 18 is communicated with collector pipe, wet for observing
Ground water distribution situation；Extra water can be discharged in time when rainwater is more for overflow port 19, not influence the catharsis of sewage.
Obviously, the above embodiment of the present invention is intended to be merely illustrative of the present example, and not to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.There is no need and unable to give poor example to all embodiments.And these belong to this
The connotation changes and variations that derived from of invention still fall within protection scope of the present invention.
Claims (9)
1. a kind of river external source pollution treatment system, it is characterised in that：Including being arranged in river（1）It is interior every dirty wall（2）, described
Every dirty wall（2）With riverbank（3）Form isolated area（4）, external source pollution is through sewage draining exit（5）It is discharged into the isolated area（4）, further include having
Sewage-treatment plant（6）, the isolated area（4）Interior sewage is through water pump（7）To the sewage-treatment plant（6）It is handled.
2. external source pollution treatment system in river according to claim 1, it is characterised in that：The isolated area（4）It inside sets and takes
Well（8）, the water pump（7）It is arranged in the water intake well（8）Inside, the water intake well（8）The borehole wall set water inlet（9）, institute
State water pump（7）Position be less than the water inlet（9）.
3. external source pollution treatment system in river according to claim 2, it is characterised in that：The water intake well（8）Setting exists
The neighbouring sewage draining exit（5）Downstream.
4. external source pollution treatment system in river according to claim 3, it is characterised in that：The water inlet（9）Equipped with grid
Net（10）.
5. external source pollution treatment system in river according to claim 1, it is characterised in that：Sewage is filled through the sewage disposal
It sets（6）The river is discharged into after processing（1）.
6. external source pollution treatment system in river according to claim 1, it is characterised in that：It is described every dirty wall（2）Equipped with height
Position spout hole（11）.
7. the river external source pollution treatment system according to any one of claim 1 ~ 6, it is characterised in that：At the sewage
Manage device（6）Include multilayer dielectricity for artificial swamp（12）, the multilayer dielectricity（12）Top plant wetland plant
（13）, bottom set antiseepage film（14）, the multilayer dielectricity（12）Shallow-layer set water distributor（15）, bottom set collector pipe（16）, institute
State water distributor（15）In the multilayer dielectricity（12）Surface layer be equipped with several water distribution mouths（17）, the water distributor（15）With the water
Pump（7）Connection, the collector pipe（16）Drain into the river（1）.
8. external source pollution treatment system in river according to claim 7, it is characterised in that：The multilayer dielectricity（12）By upper
Be followed successively by under diameter 40~60mm rubbles layer, 10~30mm microliths layer, 8~10mm gravel layers, 1~2mm coarse sands layers, 0.5~
0.8mm fine sand layers.
9. external source pollution treatment system in river according to claim 7, it is characterised in that：The multilayer dielectricity（12）It is internal
It is additionally provided with and the collector pipe（16）The collector pipe observation port communicated（18）, the side wall of the artificial swamp is equipped with overflow port
（19）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649319.5A CN108545895A (en) | 2018-06-22 | 2018-06-22 | A kind of river external source pollution treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649319.5A CN108545895A (en) | 2018-06-22 | 2018-06-22 | A kind of river external source pollution treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108545895A true CN108545895A (en) | 2018-09-18 |
Family
ID=63492922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810649319.5A Pending CN108545895A (en) | 2018-06-22 | 2018-06-22 | A kind of river external source pollution treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108545895A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647522A (en) * | 2020-11-24 | 2021-04-13 | 上海建工五建集团有限公司 | Sewage discharge treatment system and method for bridge cofferdam |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1994926A (en) * | 2006-12-21 | 2007-07-11 | 上海达人环保科技有限公司 | Medium composite type artificial wetland sewage processing system and method |
| CN101074134A (en) * | 2007-06-14 | 2007-11-21 | 上海达人环保科技有限公司 | Landscape aquatic ecological purifying treating system and method for composite medium artificial wet land |
| CN200988800Y (en) * | 2006-12-21 | 2007-12-12 | 上海达人环保科技有限公司 | Waste water treating device by using composite medium |
| KR100926072B1 (en) * | 2009-03-02 | 2009-11-11 | 주식회사 케이.씨 리버텍 | Nature friendly constructed wetland with eco-channel |
| CN102561254A (en) * | 2012-01-12 | 2012-07-11 | 上海交通大学 | River course ecological system for treating non-point source low-pollution water |
| CN102603072A (en) * | 2012-03-08 | 2012-07-25 | 舟山市达人环保科技有限公司 | Rainwater resource utilization system of composite type medium and rainwater ecological purifying method of system |
| CN106698825A (en) * | 2016-12-28 | 2017-05-24 | 中国科学院南京地理与湖泊研究所 | River enclosure pollution prevention and water diversion in-situ purification treatment method and system |
| CN206328294U (en) * | 2016-12-28 | 2017-07-14 | 中国科学院南京地理与湖泊研究所 | A kind of Drain contamination for river channel mouthful cuts the purified in situ processing system of dirty water conservancy diversion |
| CN107662981A (en) * | 2017-11-13 | 2018-02-06 | 苏州德华生态环境科技股份有限公司 | A kind of retention wet land system for river regulation |
-
2018
- 2018-06-22 CN CN201810649319.5A patent/CN108545895A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1994926A (en) * | 2006-12-21 | 2007-07-11 | 上海达人环保科技有限公司 | Medium composite type artificial wetland sewage processing system and method |
| CN200988800Y (en) * | 2006-12-21 | 2007-12-12 | 上海达人环保科技有限公司 | Waste water treating device by using composite medium |
| CN101074134A (en) * | 2007-06-14 | 2007-11-21 | 上海达人环保科技有限公司 | Landscape aquatic ecological purifying treating system and method for composite medium artificial wet land |
| KR100926072B1 (en) * | 2009-03-02 | 2009-11-11 | 주식회사 케이.씨 리버텍 | Nature friendly constructed wetland with eco-channel |
| CN102561254A (en) * | 2012-01-12 | 2012-07-11 | 上海交通大学 | River course ecological system for treating non-point source low-pollution water |
| CN102603072A (en) * | 2012-03-08 | 2012-07-25 | 舟山市达人环保科技有限公司 | Rainwater resource utilization system of composite type medium and rainwater ecological purifying method of system |
| CN106698825A (en) * | 2016-12-28 | 2017-05-24 | 中国科学院南京地理与湖泊研究所 | River enclosure pollution prevention and water diversion in-situ purification treatment method and system |
| CN206328294U (en) * | 2016-12-28 | 2017-07-14 | 中国科学院南京地理与湖泊研究所 | A kind of Drain contamination for river channel mouthful cuts the purified in situ processing system of dirty water conservancy diversion |
| CN107662981A (en) * | 2017-11-13 | 2018-02-06 | 苏州德华生态环境科技股份有限公司 | A kind of retention wet land system for river regulation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647522A (en) * | 2020-11-24 | 2021-04-13 | 上海建工五建集团有限公司 | Sewage discharge treatment system and method for bridge cofferdam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204456412U (en) | A kind of Intelligent rainwater collects reclaiming system | |
| CN109356225A (en) | A kind of Multifunctional rain ecological utilization system | |
| CN204690903U (en) | Community system for reclaiming rainwater | |
| CN206408676U (en) | A kind of cell environment landscape planting rain collector | |
| CN104372845B (en) | A kind of urban pavement Initial Runoff intercepting pollution for rainwater treating apparatus | |
| CN205222816U (en) | City river says that quick oneself of rainwater purifies combination dam system | |
| CN103193362A (en) | Natural returning system, treatment method and application of drained water | |
| CN207348137U (en) | A kind of rainwater purification structure for sponge urban construction | |
| CN108797756A (en) | Rain penetration purifies savings system in a kind of landscape planting | |
| CN105621617A (en) | Comprehensive purifying device for road runoff | |
| CN208436509U (en) | A kind of multilayer water conservancy diversion plate washer orientation desilting sand discharge filter device | |
| CN109675367A (en) | A kind of stormwater overflow purification device | |
| CN108999056A (en) | Sponge urban road rainwater integration circulating treating system | |
| CN106400927A (en) | Rainwater collection integrated ecosystem | |
| CN211897679U (en) | Novel sponge urban road system | |
| CN108545895A (en) | A kind of river external source pollution treatment system | |
| CN111547857A (en) | Ecological system for comprehensively treating rain sewage in rural areas and villages in hilly areas | |
| CN207958057U (en) | Rain processing system | |
| CN208545273U (en) | A kind of river external source pollution treatment system | |
| CN207861912U (en) | A kind of filtration underground sand bed for sponge city | |
| CN207277483U (en) | A kind of wet land system for integrating rainwater-collecting, regulating and storing, purifying | |
| CN102351317A (en) | Sewage treatment artificial wetland system | |
| CN206752629U (en) | A kind of municipal works rainwater inspection well | |
| CN213836915U (en) | Sponge city waterfront footpath regulation and control system | |
| CN112814122B (en) | Ecological rainwater regulation and storage system for sponge city |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |