CN106400926A - Seepage and drainage ditch system suitable for large-area sinking type greenbelt and construction method thereof - Google Patents
Seepage and drainage ditch system suitable for large-area sinking type greenbelt and construction method thereof Download PDFInfo
- Publication number
- CN106400926A CN106400926A CN201610825775.1A CN201610825775A CN106400926A CN 106400926 A CN106400926 A CN 106400926A CN 201610825775 A CN201610825775 A CN 201610825775A CN 106400926 A CN106400926 A CN 106400926A
- Authority
- CN
- China
- Prior art keywords
- escape canal
- ooze
- oozing
- pipeline
- greenery patches
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
-
- 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
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Environmental Sciences (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a rainwater seepage and drainage ditch especially suitable for a large-area sinking type greenbelt according to the technical state of generally lacking matched applicable products in a current domestic sponge urban construction process in China. A seepage and drainage ditch system suitable for the large-area sinking type greenbelt comprises a seepage and drainage ditch, a seepage and drainage ditch water catchment pipeline and a grassland spray irrigation pipeline, wherein the seepage and drainage ditch is composed of a group of module units which are in serial connection in a joggle joint mode, the two ends of the seepage and drainage ditch can be sealed or connected with a pipeline to lead out collected rainwater according to need, the seepage and drainage ditch water catchment pipeline comprises a plurality of seepage and drainage ditch water catchment pipelines connected with the seepage and drainage ditch, and the grassland spray irrigation pipeline is formed by spray pipelines. By means of the technical scheme of the seepage and drainage ditch system, the standardization and the modularization of the engineering applicable products in the sponge urban construction process are achieved.
Description
Technical field
The present invention relates to rainwater ooze, water discharge technology facility field, be especially applicable to the rainwater in large area sunk type greenery patches
Ooze, escape canal.
Background technology
Large area sunk type greenery patches be a kind of biological be detained facility, be located at the relatively low region of physical features, by plant, soil and
Microflora stores and oozes, purifies runoff rainwater.
The biological facility that is detained is primarily adapted for use in the periphery greenery patches built with building, road and parking lot in cell, and
In the urban green spaces such as pergola on the city road.
The biological facility that is detained is various informative, and suitable application region is wide, be easily combined with landscape, and runoff control effect is good, construction cost
Relatively low with maintenance cost, it is the low impact exploitation single technology facility that national sponge urban construction technology is recommended.
The sponge urban construction of China is being carried forward vigorously, and the drainage system facility that oozes of rainwater often limits to commercially retail
Piecing together of accessory is combined it is impossible to effectively meet the functional requirement of engineering.Realize standard and the modularization of engineering appropriate products, deep
Enter to study sponge city correlation technique, the corresponding appropriate products of shaping of exploitation are urgent tasks.
Content of the invention
For in domestic sponge Process of Urban Development at present, generally lack the state of the art of supporting appropriate products, particularly
For large area sunk type greenery patches, the invention provides a kind of rainwater oozes escape canal.
The escape canal system of oozing being applied to large area sunk type greenery patches of the present invention includes:Ooze escape canal,
Ooze escape canal charge for remittance pipeline and meadow pipeline of sprinkling irrigation, wherein ooze escape canal and be composed in series by one group of modular unit joggle, ooze
The two ends of escape canal close as needed or connecting pipe draw collect rainwater, ooze escape canal charge for remittance pipeline comprise multiple
With ooze that escape canal is connected ooze escape canal charge for remittance pipeline, meadow pipeline of sprinkling irrigation is made up of spraying pipe.
Described be applied to large area sunk type greenery patches ooze escape canal system implement should be with Green Space Design close fit.
The described escape canal modular unit that oozes has semicircle wallboard and semicircle end plate, and the top of semicircle wallboard has 3 can make
For the DN100 spare interface of breather pipe spare interface and/or rainwater collection collector spare interface, semicircle end plate side has DN100
Spare interface, DN200 spare interface, DN300 spare interface and outlet conduit spare interface, can be used to connect water inlet, water outlet
Pipeline.
Described semicircle wallboard and semicircle end plate adopt polypropylene plastics injection mo(u)lding.
Described multigroup escape canal that oozes is arranged in parallel on the original soil ground through leveling compacting for the large area sunk type greenery patches.
Described ooze escape canal, on the breather pipe spare interface at modular unit top in position connect breather pipe,
The bottom absolute altitude of the aeration vent of breather pipe exceeds greenery patches ground.
Described ooze escape canal, on the spare interface at modular unit top in position connect rainwater collection collector, rain
The bottom absolute altitude of the rainwater-collecting mouth of water collection pipe exceeds greenery patches ground 200mm, for being collected for more than Green Space Design penetrating power
Overflowing rain water.
Described ooze escape canal, have infiltration and transportation function, during rain infiltration underground, ooze escape canal bottom
The seasonal highest level of ground water of permeable face distance should be not less than 1m.
For preventing original soil around from invading irrigation canals and ditches, the described bottom oozing escape canal and periphery fill up metalling, described ooze row
The outer layer of the metalling in the bottom of Box Drain and outside is additionally provided with permeable geotextiles..
Planting soil, metalling and spraying pipe is laid oozing from bottom to top successively above escape canal.
In the described metalling oozing above escape canal laying, ballast grain sizes are 20~30mm, and landfill height is more than and oozes row
The height 100mm of Box Drain.
The invention also discloses a kind of construction method oozing escape canal system being applied to large area sunk type greenery patches:
1) bottom oozing escape canal is arranged on the ground basal plane of the original soil ground through leveling compacting;
2) metalling is set in the bottom oozing escape canal and periphery, is oozing the bottom of escape canal and the broken of outside simultaneously
The outer layer of rock layers is additionally provided with permeable geotextiles;
3) left side oozing escape canal is connected to and oozes escape canal charge for remittance pipeline, the rainwater oozing escape canal collection passes through
This pipeline imports sump;
4) place water pump in sump, ooze above escape canal from bottom to top successively laying planting soil, metalling and
Rainwater in sump is transferred to spraying pipe through pipeline by water pump by spraying pipe, and spraying pipe is using the rainwater collected
Sunk type greenery patches is irrigated.
By the present invention provide be applied to large area sunk type greenery patches ooze escape canal system and its construction method, have
Effect achieves the standard of engineering appropriate products and modularization in sponge Process of Urban Development.
Brief description
The present invention is further described below in conjunction with the accompanying drawings:
Fig. 1 oozes the horizontal layout schematic diagram of escape canal system composition for rainwater of the present invention;
Fig. 2 oozes the section arrangement schematic diagram of escape canal system composition for rainwater of the present invention;
Fig. 3 oozes the tectonic association figure of escape canal modular unit for rainwater.
Wherein description of reference numerals is as follows:
1. original soil ground, 2. permeable geotextiles, 3. ooze escape canal, 4. screed-coat, 5. metalling, 6. planting soil, 7. spray
Spill pipeline, 8. water pump, 9. sump, 31. semicircle wallboards, 32. semicircle end plates, 33.DN100 spare interface, 34. infiltration bar seams,
35.DN100 spare interface, 36.DN200 spare interface, 37.DN300 spare interface, 38. outlet conduit spare interfaces.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in figure 1, oozing escape canal 3 is one or more side-by-side parallel arrangement, ooze introduction pipe on the left of escape canal,
By oozing the pipe influx of escape canal extraction in sump 9, sump 9 is used for collecting and depositing rainwater, places in sump 9
Water pump 8, by pipeline, the rainwater in sump 9 is transferred to spraying pipe 7 with water pump 8 it is achieved that the collection of rainwater and recycling.
As shown in Fig. 2 the bottom oozing escape canal 3 is arranged on the ground basal plane of the original soil ground 1 through leveling compacting, ooze row
The bottom of Box Drain 3 and periphery fill up metalling 5, for preventing original soil around from invading irrigation canals and ditches, ooze bottom and the outside of escape canal 3
Metalling 5 outer layer permeable geotextiles 2 also should be set, permeable geotextiles 2 be located at metalling 5 outside, ooze a left side for escape canal 3
Side connects oozes escape canal charge for remittance pipeline, and the rainwater oozing escape canal 3 collection imports sump 9 by this pipeline, in sump 9
Place water pump 8, lay planting soil 6, screed-coat 4 and spraying pipe 7 successively oozing from bottom to top above escape canal 3, by water
Rainwater in sump 8 is transferred to spraying pipe 7 through pipeline by pump 8, and spraying pipe 7 is using the rainwater collected to sunk type greenery patches
Irrigated.Additionally, oozing in the metalling that escape canal 3 top is laid, ballast grain sizes are 20~30mm, fill highly to be more than and ooze
The height 100mm of escape canal 3.
As shown in figure 3, ooze escape canal 3 being composed in series by one group of modular unit joggle, ooze the two ends of escape canal 3 according to
Closing or connecting pipe is needed to draw the rainwater collected, the modular unit oozing escape canal is by using polypropylene plastics injection mo(u)lding
Semicircle wallboard 31 and semicircle end plate 32 form, the top of semicircle wallboard have 3 can be used as breather pipe spare interface and/or rainwater
The DN100 spare interface 33 of collecting pipe spare interface, semicircle end plate side has DN100 spare interface 35, DN200 spare interface
36th, DN300 spare interface 37 and outlet conduit spare interface 38, can be used to connect water inlet, outlet conduit.Ooze escape canal 3
Side leave infiltration bar seam 34, the rainwater in irrigation canals and ditches can by seep water bar seam 34 entrance metallings 5, after filtering addedly
Lower water.Breather pipe, the bottom mark of venting tube outlet are connected on the DN100 spare interface 33 at the modular unit top oozing escape canal 3
Height exceeds greenery patches ground 200mm.The seasonal highest level of ground water of permeable face distance oozing escape canal 3 bottom should be not less than 1m.
The foregoing is only presently preferred embodiments of the present invention, be not used for limiting the practical range of the present invention;If do not taken off
From the spirit and scope of the present invention, the present invention is modified or equivalent, all should cover in the claims in the present invention
In the middle of protection domain.
Claims (11)
1. a kind of be applied to large area sunk type greenery patches ooze escape canal system it is characterised in that described system includes:Ooze row
Box Drain, ooze escape canal charge for remittance pipeline and meadow pipeline of sprinkling irrigation, the wherein said escape canal that oozes is by one group of modular unit joggle
It is composed in series, the described two ends oozing escape canal are closed as needed or connecting pipe draws the rainwater collected, and described ooze draining
Irrigation canals and ditches charge for remittance pipeline comprise multiple with ooze that escape canal is connected ooze escape canal charge for remittance pipeline, described meadow pipeline of sprinkling irrigation is by spraying
Spill pipeline to constitute.
2. a kind of be applied to as claimed in claim 1 large area sunk type greenery patches ooze escape canal system it is characterised in that
Planting soil, metalling and spraying pipe is laid in described oozing from bottom to top successively above escape canal.
3. a kind of be applied to as claimed in claim 1 large area sunk type greenery patches ooze escape canal system it is characterised in that
Multigroup described escape canal that oozes is arranged in parallel on the original soil ground through leveling compacting for the large area sunk type greenery patches.
4. a kind of be applied to as claimed in claim 1 large area sunk type greenery patches ooze escape canal system it is characterised in that
The described modular unit oozing escape canal has semicircle wallboard and a semicircle end plate, the top of described semicircle wallboard have 3 can conduct
Breather pipe spare interface and/or the DN100 spare interface of rainwater collection collector spare interface, described semicircle end plate side has
DN100 spare interface, DN200 spare interface, DN300 spare interface and outlet conduit spare interface, for connecting water inlet, water outlet
Pipeline.
5. a kind of be applied to as claimed in claim 4 large area sunk type greenery patches ooze escape canal system it is characterised in that
Described semicircle wallboard and semicircle end plate adopt polypropylene plastics injection mo(u)lding to be obtained.
6. a kind of be applied to as claimed in claim 4 large area sunk type greenery patches ooze escape canal system it is characterised in that
Described ooze escape canal, on the DN100 spare interface at modular unit top in position connect breather pipe, described breather pipe
The bottom absolute altitude of aeration vent exceed greenery patches ground, infiltration bar seam is left in the described side oozing escape canal, described oozes gutter
Rainwater in canal can enter metalling, recharge of groundwater after filtering by described infiltration bar seam.
7. a kind of be applied to as claimed in claim 4 large area sunk type greenery patches ooze escape canal system it is characterised in that
Described ooze escape canal, on the DN100 spare interface at modular unit top in position connect rainwater collection collector, described rain
The bottom absolute altitude of the rainwater-collecting mouth of water collection pipe exceeds greenery patches ground 200mm, for being collected for more than Green Space Design penetrating power
Overflowing rain water.
8. a kind of be applied to as claimed in claim 1 large area sunk type greenery patches ooze escape canal system it is characterised in that
The described seasonal highest level of ground water of permeable face distance oozing escape canal bottom should be not less than 1m.
9. a kind of be applied to as claimed in claim 1 large area sunk type greenery patches ooze escape canal system it is characterised in that
The described bottom oozing escape canal and periphery fill up metalling, the outer layer of the metalling in the described bottom oozing escape canal and outside
It is additionally provided with permeable geotextiles.
10. a kind of be applied to large area sunk type greenery patches as claimed in claim 9 ooze escape canal system, its feature exists
In, in the described described metalling oozing above escape canal laying, ballast grain sizes are 20~30mm, and landfill height is more than described oozing
The height 100mm of escape canal.
A kind of 11. constructions oozing escape canal system being applied to large area sunk type greenery patches as described in claim 1-10
Method:
1) the described bottom oozing escape canal is arranged on the ground basal plane of the original soil ground through leveling compacting;
2) metalling is set in the described bottom oozing escape canal and periphery, simultaneously in the described bottom oozing escape canal and outside
The outer layer of metalling be additionally provided with permeable geotextiles;
3) the described left side oozing escape canal is connected to and oozes escape canal charge for remittance pipeline, the rainwater oozing escape canal collection passes through
Described charge for remittance pipeline imports sump;
4) place water pump in described sump, lay planting soil, rubble above escape canal from bottom to top successively in described oozing
Rainwater in described sump is transferred to described spraying pipe, described spray through pipeline by described water pump by layer and spraying pipe
Spill pipeline using the rainwater collected, described sunk type greenery patches to be irrigated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610825775.1A CN106400926B (en) | 2016-09-14 | 2016-09-14 | Infiltration drainage ditch system and its construction method for large area sunk type greenery patches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610825775.1A CN106400926B (en) | 2016-09-14 | 2016-09-14 | Infiltration drainage ditch system and its construction method for large area sunk type greenery patches |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106400926A true CN106400926A (en) | 2017-02-15 |
CN106400926B CN106400926B (en) | 2019-10-25 |
Family
ID=57997086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610825775.1A Active CN106400926B (en) | 2016-09-14 | 2016-09-14 | Infiltration drainage ditch system and its construction method for large area sunk type greenery patches |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106400926B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108331130A (en) * | 2017-01-19 | 2018-07-27 | 深圳志深建筑技术有限公司 | A kind of infiltration trench for dredging rainwater |
CN109577450A (en) * | 2018-12-29 | 2019-04-05 | 中关村海绵城市工程研究院有限公司 | A kind of rainwater infiltration row's integrated apparatus |
CN109723123A (en) * | 2019-02-26 | 2019-05-07 | 上海中森建筑与工程设计顾问有限公司 | A kind of tubulose water-storing device |
CN110409588A (en) * | 2018-04-27 | 2019-11-05 | 深圳志深建筑技术有限公司 | A kind of rain penetration canal for sponge urban construction |
CN111155623A (en) * | 2019-12-10 | 2020-05-15 | 宣城市政建设集团有限公司 | Construction and installation method for outdoor square stainless steel and plastic finished product combined drainage ditch |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020025226A1 (en) * | 2000-08-25 | 2002-02-28 | Maestro Robert M. | Stormwater dispensing chamber |
US20050238434A1 (en) * | 2000-05-05 | 2005-10-27 | Coppes Bryan A | Outwardly dished end plate for stormwater chamber |
CN1851162A (en) * | 2005-04-22 | 2006-10-25 | 陈瑞文 | Structural water resource recovery method |
CN203174665U (en) * | 2013-04-03 | 2013-09-04 | 江苏山水环境建设集团股份有限公司 | Urban rainwater collection and utilization system |
CN105064489A (en) * | 2015-07-02 | 2015-11-18 | 西安市政设计研究院有限公司 | Biological filter and design method thereof |
CN105089142A (en) * | 2015-08-27 | 2015-11-25 | 天津大学 | Low elevation greenbelt rainwater regulation scheduling pool and distributed rainwater regulation scheduling pool system |
CN204824528U (en) * | 2015-07-17 | 2015-12-02 | 天津青川科技发展有限公司 | High retaining nature greenery patches improvement structure |
CN105155618A (en) * | 2015-09-30 | 2015-12-16 | 宋建新 | Rainwater collection and drainage system for solving problem of urban water logging |
CN205284277U (en) * | 2015-12-18 | 2016-06-08 | 华艺生态园林股份有限公司 | Grass planting ditch with rainwater guide filtering capability |
-
2016
- 2016-09-14 CN CN201610825775.1A patent/CN106400926B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050238434A1 (en) * | 2000-05-05 | 2005-10-27 | Coppes Bryan A | Outwardly dished end plate for stormwater chamber |
US20020025226A1 (en) * | 2000-08-25 | 2002-02-28 | Maestro Robert M. | Stormwater dispensing chamber |
CN1851162A (en) * | 2005-04-22 | 2006-10-25 | 陈瑞文 | Structural water resource recovery method |
CN203174665U (en) * | 2013-04-03 | 2013-09-04 | 江苏山水环境建设集团股份有限公司 | Urban rainwater collection and utilization system |
CN105064489A (en) * | 2015-07-02 | 2015-11-18 | 西安市政设计研究院有限公司 | Biological filter and design method thereof |
CN204824528U (en) * | 2015-07-17 | 2015-12-02 | 天津青川科技发展有限公司 | High retaining nature greenery patches improvement structure |
CN105089142A (en) * | 2015-08-27 | 2015-11-25 | 天津大学 | Low elevation greenbelt rainwater regulation scheduling pool and distributed rainwater regulation scheduling pool system |
CN105155618A (en) * | 2015-09-30 | 2015-12-16 | 宋建新 | Rainwater collection and drainage system for solving problem of urban water logging |
CN205284277U (en) * | 2015-12-18 | 2016-06-08 | 华艺生态园林股份有限公司 | Grass planting ditch with rainwater guide filtering capability |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108331130A (en) * | 2017-01-19 | 2018-07-27 | 深圳志深建筑技术有限公司 | A kind of infiltration trench for dredging rainwater |
CN110409588A (en) * | 2018-04-27 | 2019-11-05 | 深圳志深建筑技术有限公司 | A kind of rain penetration canal for sponge urban construction |
CN109577450A (en) * | 2018-12-29 | 2019-04-05 | 中关村海绵城市工程研究院有限公司 | A kind of rainwater infiltration row's integrated apparatus |
CN109577450B (en) * | 2018-12-29 | 2024-05-28 | 中关村海绵城市工程研究院有限公司 | Rainwater infiltration and drainage integrated device |
CN109723123A (en) * | 2019-02-26 | 2019-05-07 | 上海中森建筑与工程设计顾问有限公司 | A kind of tubulose water-storing device |
CN111155623A (en) * | 2019-12-10 | 2020-05-15 | 宣城市政建设集团有限公司 | Construction and installation method for outdoor square stainless steel and plastic finished product combined drainage ditch |
Also Published As
Publication number | Publication date |
---|---|
CN106400926B (en) | 2019-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105625549B (en) | A kind of multifunction system for oozing worry available for sponge urban rainwater, harvesting and purifying | |
CN106759825B (en) | Construction method of sponge urban green land water storage system | |
CN106400926A (en) | Seepage and drainage ditch system suitable for large-area sinking type greenbelt and construction method thereof | |
CN204959952U (en) | Recessed formula greenery patches rainwater regulation dispatch pond and distributed rainwater regulation dispatch pond system | |
CN105089142A (en) | Low elevation greenbelt rainwater regulation scheduling pool and distributed rainwater regulation scheduling pool system | |
CN105803892A (en) | Method capable of being used for rain water seepage-filtering, collection and storage and purification in sponge city | |
CN104929224B (en) | Pavement system for percolate guide blind pipe | |
CN106759646A (en) | A kind of sponge urban pavement rain water collecting system and installation method | |
CN106192665A (en) | A kind of sponge urban road rain infiltration system and construction method thereof | |
CN107347481A (en) | Casing charge for remittance earthing implant system and the method reclaimed using its outdoor pit body of progress | |
CN205296339U (en) | Mountain valley type landfill's dirty reposition of redundant personnel diversion system of rain | |
CN103266633B (en) | A kind of hydrometallurgy tailings storehouse antiseep sewer drains off floodwaters method | |
CN207032427U (en) | A kind of Rainwater collection system suitable for old cell | |
CN109235505A (en) | Three-dimensional environmental protection complex ecological closing structure | |
CN206667420U (en) | Sponge city high-effective penetrating type greenery patches constructs | |
CN205224230U (en) | LID type urban rainwater oozes and holds clean drainage closed conduit | |
CN106717413A (en) | A kind of sponge urban afforestation irrigation system and its construction method | |
CN106320494A (en) | Sponge engineering system based on existing urban road and drainage condition and construction method of sponge engineering system | |
CN207362895U (en) | Three-dimensional environmental protection complex ecological closing structure | |
CN201459899U (en) | Drainage system for landfill | |
CN208501715U (en) | A kind of Rain Garden | |
CN206949017U (en) | Casing charge for remittance earthing implant system | |
CN105464191A (en) | Rain sewage diverting and guiding system of valley-type waste landfill and using method thereof | |
CN202323906U (en) | Assembly type culvert component | |
CN215483400U (en) | Biological retention facility rainwater regulation and reuse system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |