CN210797792U - Ecological rainwater collecting system - Google Patents
Ecological rainwater collecting system Download PDFInfo
- Publication number
- CN210797792U CN210797792U CN201920956458.2U CN201920956458U CN210797792U CN 210797792 U CN210797792 U CN 210797792U CN 201920956458 U CN201920956458 U CN 201920956458U CN 210797792 U CN210797792 U CN 210797792U
- Authority
- CN
- China
- Prior art keywords
- rainwater
- filter screen
- ditch
- ecological
- filter box
- 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.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000011449 brick Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000011148 porous material Substances 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 description 8
- 239000004575 stone Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 239000012466 permeate Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Sewage (AREA)
Abstract
The utility model discloses an ecological rainwater collecting system, collect mechanism, rainwater filtering mechanism, reservoir including the rainwater, rainwater is collected the mechanism and is included by supreme graded metalling, screed-coat and the drainage brick of laying in proper order down, rainwater filtering mechanism includes that rainwater collects ditch, lid and locates the rainwater ditch apron of rainwater collection ditch top and locate the rainwater and collect the filter box in the ditch, graded metalling and rainwater are collected the water pipeline intercommunication that sets up side by side between the ditch, rainwater is collected and is passed through rainwater pipeline intercommunication between ditch and the reservoir, the slope of filter box bottom is equipped with the filter screen, run through on the filter screen and be equipped with a plurality of filtration pores, the filter box is close to the lower end of filter screen and is equipped with the filth case. The utility model has the advantages of slope setting and the setting of filth case through the filter screen for filth after the filtration can be collected to the filth incasement landing under the effect of gravity, prevents that the filth from piling up and blockking up the filter screen on the filter screen, guarantees the water capacity of filter screen.
Description
Technical Field
The utility model relates to a technical field is handled in the urban rainfall, especially relates to an ecological rainwater collection system.
Background
Drainage systems in municipal works are divided into rainwater drainage systems and sewage drainage systems, rainwater in the rainwater drainage systems is continuously discharged to rivers, and rainwater in rainwater drainage systems in coastal cities is discharged to the sea. These water resources are not fully utilized and wasted.
Adopt the filter screen to purify the rainwater usually among the current rainwater collection system, when the rainwater that has debris passes through the filter screen, the filter screen can stop debris and come down. However, when the known rainwater filter screen blocks sundries in water, the sundries are left on the filter screen, and can move randomly on the filter screen along with the washing of rainwater, so that the discharge of the sundries is inconvenient, the filter screen is easy to block due to long-term pushing, and the water passing capacity of the filter screen can be influenced and the rainwater filtering efficiency is reduced because the sundries cannot be cleaned in time.
Disclosure of Invention
The utility model aims at providing an ecological rainwater collecting system to the above-mentioned problem that exists among the prior art.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides an ecological rainwater collecting system, includes rainwater collection mechanism, rainwater filtering mechanism, reservoir, rainwater collection mechanism includes by lower supreme graded metalling, screed-coat and the drainage brick of laying in proper order, rainwater filtering mechanism includes that rainwater collection ditch, lid locate the rainwater ditch apron of rainwater collection ditch top and locate the rainwater and collect the filter box in the ditch, graded metalling and rainwater are collected between the ditch through a plurality of water service pipe intercommunications that set up side by side, pass through rainwater pipeline intercommunication between rainwater collection ditch and the reservoir, the slope of filter box bottom is equipped with the filter screen, run through on the filter screen and be equipped with a plurality of filtration pores, the filter box is close to the lower end of filter screen and is equipped with the filth case.
The utility model discloses a theory of operation: when raining, rainwater falls on the water filtering bricks and permeates downwards to pass through the leveling blanket and fall into the graded broken stone layer, then enters the filtering box in the rainwater collecting ditch through the water pipeline, after the rainwater falls onto the filtering net, the filtering net filters the rainwater, and sewage left after filtering is left in the sewage box along the inclination direction of the filtering net.
The utility model discloses a slope setting of filter screen and the setting of filth case for filth after the filtration can be collected to the filth incasement landing under the effect of gravity, prevent that the filth from piling up and blocking up the filter screen on the filter screen, guarantee the water ability of filter screen, and the rainwater that falls on the filter screen can play the washing away effect to the filter screen, make some filths of adhesion on the filter screen can be washed away to the filth incasement, and collect the filth to the filth incasement, be convenient for follow-up processing to the filth, and time saving and labor saving.
The filter screen is connected with the bottom of the filter box through a plurality of elastic pieces.
The bottom of the filter box is hollowed.
The cross wheel is rotatably arranged in the filter box and is arranged above the filter screen, and when the cross wheel rotates, dirt on the surface of the filter screen is driven to enter the dirt box.
The cross wheel comprises a plurality of wheel arms, and the wheel arms are arranged in a bending mode.
The wheel arm tip is equipped with the buffer layer, and when the spider rotated, the buffer layer striking filter screen.
A guide plate is obliquely arranged above the cross wheel, and the cross wheel is positioned at the lower end of the guide plate.
The side wall of the support is hollowed out, and a plurality of drain holes are formed in the side wall of the sewage tank.
The bottom of the filter box is provided with a support, and the sewage box is embedded in the support.
The rainwater collecting ditch is formed by surrounding a plurality of anti-seepage bricks, clamping grooves for embedding the clamping parts are formed in the anti-seepage bricks, and when the clamping parts are embedded into the clamping grooves, the filtering box is embedded into the rainwater collecting ditch.
Compared with the prior art, the utility model has the advantages of slope setting through the filter screen and the setting of filth case for filth after the filtration can be collected to the filth incasement landing under the effect of gravity, prevents that the filth from piling up and blockking up the filter screen on the filter screen, guarantees the water capacity of filter screen.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a schematic structural diagram of the middle filter box of the present invention.
Fig. 3 is a schematic sectional view of the middle filter box of the present invention.
In the figure, 1, a reservoir; 2. grading a crushed stone layer; 3. leveling layer; 4. water filtering bricks; 5. a rainwater collection ditch; 6. a rainwater ditch cover plate; 7. a water pipeline; 8. a rainwater pipeline; 9. a flow guiding layer; 10. a filter box; 11. filtering with a screen; 12. a dirt box; 13. an elastic member; 14. a cross wheel; 15. an anti-seepage brick; 16. a baffle; 101. a support; 102. a clamping part; 111. filtering holes; 141. a wheel arm; 1411. a buffer layer; 121. a drain hole; 122. pulling a rope; 151. a clamping groove.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-3, an ecological rainwater collection system comprises a rainwater collection mechanism, a rainwater filtration mechanism and a water storage reservoir 1, wherein a pit is formed by downward sinking of a road, the rainwater collection mechanism comprises a graded gravel layer 2, a leveling layer 3 and water filtering bricks 4 which are sequentially laid in the pit from bottom to top, the graded gravel is a mixture composed of aggregates with different sizes and different grain sizes, the leveling layer 3 is a PZG water-permeable bonding leveling layer, the water filtering bricks 4 are ecological sand-based water-permeable bricks, and the graded gravel, the PZG water-permeable bonding leveling layer and the ecological sand-based water-permeable bricks are all the prior art and are not described in detail.
More specifically, the rainwater filtering mechanism comprises a rainwater collecting ditch 5 arranged at the left side of the graded gravel layer 2, a rainwater ditch cover plate 6 covering the rainwater collecting ditch 5 and a filtering box 10 arranged in the rainwater collecting ditch 5, the rainwater collecting ditch 5 is a ditch formed by a plurality of anti-seepage bricks 15, the anti-seepage bricks 15 are made of air-permeable anti-seepage sand, have good waterproof performance, are pollution-free to the environment and have good air permeability, prevent impurities in the rainwater collecting ditch 5 from breeding bacteria in a closed space, simultaneously prevent rainwater in the rainwater collecting ditch 5 from permeating outwards and improve the recovery rate of the rainwater, the rainwater ditch cover plate 6 is made of sand base, so that water falling onto the rainwater ditch cover plate 6 can permeate the rainwater ditch cover plate 6 to enter the rainwater collecting ditch 5, the rainwater collecting ditch 5 is communicated with the water storage 1 through the rainwater 8, and the rainwater pipeline 8 is a sewer pipeline which can be purchased directly on the market, the left end of the rainwater pipeline 8 penetrates through a corresponding through hole in the anti-seepage brick 15 and extends into the rainwater collection ditch 5, the right end of the rainwater pipeline 8 extends into the water storage reservoir 1, and the left end of the rainwater pipeline 8 is higher than the right end of the rainwater pipeline 8, so that rainwater in the rainwater collection ditch 5 is gathered in the water storage reservoir 1 under the action of gravity, and the rainwater collection ditch is simple in structure and not easy to damage.
In further detail, in order to facilitate the rainwater in the graded crushed stone layer 2 to be discharged into the rainwater collection ditch 5, the graded crushed stone layer 2 is communicated with the rainwater collection ditch 5 through a plurality of water service pipelines 7 arranged side by side, the water service pipelines 7 are sewer pipelines which can be directly purchased on the market, the water service pipelines 7 are embedded at the bottom of the graded crushed stone layer 2 and penetrate through corresponding through holes in the anti-seepage bricks 15 to extend into the rainwater collection ditch 5, and the water service pipelines 7 extend into the inner end part of the rainwater collection ditch 5 to be level with the inner wall of the rainwater collection ditch 5.
Further saying, in order to prevent 2 bottom ponding of level-grading metalling, the slope is equipped with water conservancy diversion layer 9 in the level-grading metalling 2, water pipeline 7 locates the lower end of water conservancy diversion layer 9, make 2 interior waters of level-grading metalling permeate on water conservancy diversion layer 9 after can be along the incline direction landing to water pipeline 7 department of water conservancy diversion layer 9, it is not hard up to avoid 2 interior ponding of level-grading metalling to cause the road surface to become flexible, the recycle ratio of rainwater has been improved simultaneously, the corrosion resistant plate of water conservancy diversion layer 9 for burying underground in level-grading metalling 2.
Further saying, 10 bottom slopes of filter box are equipped with filter screen 11, it is equipped with a plurality of filtration pore 111 to run through on the filter screen 11, filtration pore 111 is the flaring form that from top to bottom crescent, it discharges in filtration pore 111 to prevent the filth when making filtration pore 111 filter the rainwater, and avoid the filth to pile up and block up filtration pore 111 in filtration pore 111 to a certain extent, filter box 10 is close to filter screen 11 lower end and is equipped with filth case 12, it finally falls to the filth case 12 in when making filth after the filtration slide along 11 incline directions of filter screen and realizes collecting.
It is further said that, be connected through a plurality of elastic components 13 between filter screen 11 and the filter box 10 bottom, elastic component 13 is the spring that can directly purchase on the market and obtain, elastic component 13 upper end is connected through welding and filter screen 11 lower terminal surface, its lower extreme is connected through welding and filter box 10 inner wall bottom, can vibrate from top to bottom in filter box 10 when making filter screen 11 receive the impact of rainwater, thereby promote the landing of filth, shake out the filth of blockking up in filtration pore 111, realize the clearance to filtration pore 111.
In a further elaboration, in order to facilitate the filtered rainwater to be discharged from the filter box 10, the bottom of the filter box 10 is hollowed out, and the hollowed-out position is located below the filter screen 10.
Further saying, the outside arch in filter box 10 top left and right sides is equipped with card portion 102, prevention of seepage brick 15 up end and card portion 102 correspond position department inwards cave in and are equipped with the draw-in groove 151 that supplies card portion 102 embedding, when card portion 102 imbeds to draw-in groove 151, filter box 10 buries to rainwater collection ditch 5 in for realize dismantling the connection between filter box 10 and the prevention of seepage brick 15, when needing to wash filter box 10, upwards mention filter box 10 and can realize the dismantlement of filter box 10, be convenient for clean the installation to filter box 10.
In a detailed manner, a cross wheel 14 is rotatably arranged in the filter box 10, two ends of the cross wheel 14 are respectively movably connected with the inner wall of the filter box 10, the cross wheel 14 is arranged above the filter screen 11, the lower end of the cross wheel 14 is in contact with the filter screen 11, when the cross wheel 14 rotates anticlockwise, dirt on the surface of the filter screen 11 is scraped into the dirt box 12, and active collection of the dirt is achieved.
Further, it is said that the slope is equipped with guide plate 16 above cross wheel 14, guide plate 16 is corrosion resistant plate, its both sides welded fastening is on the filter box 10 inner wall, guide plate 16 lower department is towards cross wheel 14, when the rainwater falls on guide plate 16, thereby the rainwater drives cross wheel 14 and rotates along guide plate 16's incline direction landing to cross wheel 14, need not extra driving source and can realize the initiative collection to the filth, and cross wheel 14 can not rotate when not having the rainwater, the life of extension cross wheel 14, and cross wheel 14 left side is outstanding to be set up in guide plate 16 lower side, make the rainwater from on the guide plate 16 fall to cross wheel 14 left side drive cross wheel 14 anticlockwise rotation all the time, guarantee cross wheel 14's direction of rotation.
In a detailed description, the cross wheel 14 is composed of a rotating shaft and a plurality of wheel arms 141, in this embodiment, the wheel arms 141 are uniformly arranged in four along the circumferential direction of the rotating shaft, and the wheel arms 141 are arranged in a clockwise bending manner, so that when rainwater is less and not enough to drive the cross wheel 14 to rotate, the rainwater can be accumulated at the bending positions of the wheel arms 141, when the rainwater reaches a certain weight, the wheel arms 141 can be driven to move downwards, thereby driving the cross wheel 14 is realized, it is ensured that the cross wheel 14 can rotate to collect the dirt when different rainfall amounts, meanwhile, the bending arrangement of the wheel arms 141 prevents the wheel arms 141 below the cross wheel 14 from driving the dirt to move upwards when rotating upwards in the counterclockwise direction, and it is ensured that the dirt cannot return to the filter screen after being brought into the cross wheel 14.
To further explain, in order to promote the vibration of the filter screen 11, a buffer layer 1411 is adhered to one end of the wheel arm 141 away from the rotation shaft, and when the cross wheel 14 rotates, the buffer layer 1411 impacts the filter screen 11, in this embodiment, the buffer layer 1411 is made of wear-resistant rubber.
Further saying, straining box 10 bottom integrated into one piece is equipped with support 101, is equipped with the cavity that supplies filth case 12 embedding in the support 101, imbeds filth case 12 to the cavity in can realize the installation to filth case 12, when needs are handled the filth in the filth case 12, take out in the support 101 with filth case 12 and can clear up it.
Further saying, in order to prevent the interior ponding of filth case, the support 101 lateral wall is the fretwork setting, has all seted up a plurality of wash ports 121 on the filth case 12 lateral wall for rainwater accessible wash port 121 in the filth case 12 discharges.
In a further detail, in order to facilitate taking of the sewage tank 12, the pull rope 122 is installed on the side wall of the sewage tank 12, the rope structure cannot rust, and the sewage tank 12 can be used for a long time and can avoid rigid collision between the pull rope 122 and the anti-seepage brick 15 when being fixed along with the filter tank 10 and in the rainwater collection ditch 5.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides an ecological rainwater collection system, includes rainwater collection mechanism, rainwater filtering mechanism, reservoir (1), its characterized in that: rainwater collection mechanism includes by supreme gradation metalling (2), screed-coat (3) and the drainage brick (4) of laying in proper order down, rainwater filtering mechanism includes rainwater collection ditch (5), lid locates rainwater ditch apron (6) of rainwater collection ditch (5) top and locates filter box (10) in rainwater collection ditch (5), gradation metalling (2) and rainwater are collected between ditch (5) through a plurality of water service pipe (7) intercommunication that set up side by side, rainwater is collected between ditch (5) and the reservoir (1) through rainwater pipeline (8) intercommunication, the slope of filter box (10) bottom is equipped with filter screen (11), it is equipped with a plurality of filtration pores (111) to run through on filter screen (11), filter box (10) are close to filter screen (11) lower end and are equipped with filth case (12).
2. An ecological stormwater collection system as claimed in claim 1, wherein: the filter screen (11) is connected with the bottom of the filter box (10) through a plurality of elastic pieces (13).
3. An ecological stormwater collection system as claimed in claim 1, wherein: the bottom of the filter box (10) is hollowed.
4. An ecological stormwater collection system as claimed in claim 1, wherein: cross wheel (14) can be rotationally arranged in the filter box (10), the cross wheel (14) is arranged above the filter screen (11), and when the cross wheel (14) rotates, dirt on the surface of the filter screen (11) is driven to enter the dirt box (12).
5. The ecological rainwater collection system according to claim 4, wherein: the cross wheel (14) comprises a plurality of wheel arms (141), and the wheel arms (141) are arranged in a bending mode.
6. An ecological stormwater collection system as claimed in claim 5, wherein: the end part of the wheel arm (141) is provided with a buffer layer (1411), and when the cross wheel (14) rotates, the buffer layer (1411) impacts the filter screen (11).
7. The ecological rainwater collection system according to claim 4, wherein: a guide plate (16) is obliquely arranged above the cross wheel (14), and the cross wheel (14) is positioned at the lower end of the guide plate (16).
8. An ecological stormwater collection system as claimed in claim 1, wherein: a support (101) is arranged at the bottom of the filter box (10), and the dirt box (12) is embedded in the support (101).
9. An ecological stormwater collection system as claimed in claim 8, wherein: the side wall of the support (101) is hollowed out, and a plurality of drain holes (121) are formed in the side wall of the dirt box (12).
10. An ecological stormwater collection system as claimed in claim 1, wherein: filter box (10) top both sides are equipped with card portion (102), rainwater collection ditch (5) surround by a plurality of prevention of seepage brick (15) and form, be equipped with draw-in groove (151) that supply card portion (102) embedding on prevention of seepage brick (15), work as card portion (102) imbed to draw-in groove (151) when, filter box (10) bury to rainwater collection ditch (5) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920956458.2U CN210797792U (en) | 2019-06-24 | 2019-06-24 | Ecological rainwater collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920956458.2U CN210797792U (en) | 2019-06-24 | 2019-06-24 | Ecological rainwater collecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210797792U true CN210797792U (en) | 2020-06-19 |
Family
ID=71247230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920956458.2U Expired - Fee Related CN210797792U (en) | 2019-06-24 | 2019-06-24 | Ecological rainwater collecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210797792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991864A (en) * | 2020-08-26 | 2020-11-27 | 泉州方科昌耀工业设计有限公司 | Hydraulic engineering's filth environmental protection collection device |
| CN112726736A (en) * | 2020-12-29 | 2021-04-30 | 北京如景生态园林绿化有限公司 | A rainwater collection circulation system for ecological garden |
-
2019
- 2019-06-24 CN CN201920956458.2U patent/CN210797792U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991864A (en) * | 2020-08-26 | 2020-11-27 | 泉州方科昌耀工业设计有限公司 | Hydraulic engineering's filth environmental protection collection device |
| CN112726736A (en) * | 2020-12-29 | 2021-04-30 | 北京如景生态园林绿化有限公司 | A rainwater collection circulation system for ecological garden |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102808448A (en) | Dry weather flow and initial rainwater multifunctional catch basin for combined network | |
| CN108797756A (en) | Rain penetration purifies savings system in a kind of landscape planting | |
| CN210421340U (en) | Prevent blockking up municipal drainage pipe structure | |
| CN210797792U (en) | Ecological rainwater collecting system | |
| CN110258759B (en) | Be applied to city sewage canal scrubbing purification structure | |
| CN106638917B (en) | Split type rainwater recycling, storing and adjusting system and construction method thereof | |
| KR100941705B1 (en) | Drain box | |
| CN206319391U (en) | Gutter inlet device | |
| CN206681126U (en) | One kind is used for rainwater recycle purification utilization device | |
| JP4445168B2 (en) | Rainwater infiltration system | |
| CN111335443B (en) | Prevent municipal drainage pipe of jam | |
| CN212742811U (en) | Urban rainwater collection and utilization system | |
| CN210797157U (en) | Municipal administration bituminous paving | |
| CN210002533U (en) | municipal branch rainwater collecting and discharging system | |
| CN210797840U (en) | Urban rainwater collecting and filtering system | |
| CN207109988U (en) | A kind of storm-water system | |
| CN206233346U (en) | A kind of road surface drainage structure | |
| KR100983160B1 (en) | Method for introducing rainwater into a underground using existing case of rainwater, and apparatus for filtering rainwater | |
| CN202577448U (en) | Rainy water collecting device for curtain wall roof | |
| CN112900592A (en) | Municipal garden drainage system | |
| CN209482424U (en) | Rain penetration purifies savings system in a kind of landscape planting | |
| CN204898857U (en) | Road surface initial stage rainwater filtration purification facility | |
| CN216474327U (en) | Urban road type pavement structure that permeates water | |
| CN214784495U (en) | Sponge formula rain flood drainage system | |
| CN211256547U (en) | Urban water permeable pavement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 |