CN112095395A - Multilayer environmental protection terrace that permeates water - Google Patents
Multilayer environmental protection terrace that permeates water Download PDFInfo
- Publication number
- CN112095395A CN112095395A CN202010964506.XA CN202010964506A CN112095395A CN 112095395 A CN112095395 A CN 112095395A CN 202010964506 A CN202010964506 A CN 202010964506A CN 112095395 A CN112095395 A CN 112095395A
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- Prior art keywords
- water
- layer
- terrace
- permeable
- shell
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
- E01C11/226—Coherent pavings
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- 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
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/145—Sliding coverings, underlayers or intermediate layers ; Isolating or separating intermediate layers; Transmission of shearing force in horizontal intermediate planes, e.g. by protrusions, by inlays
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- 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
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- 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
- E03F5/103—Naturals or landscape retention bodies, e.g. ponds
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- 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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
-
- 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
Abstract
The invention provides a multilayer environment-friendly permeable terrace which comprises permeable concrete, wherein a crushed stone layer is arranged and connected on the lower side of the permeable concrete, a roadbed layer is arranged and connected on the lower side of the crushed stone layer, a plain layer is arranged and connected on the lower side of the roadbed layer, a water storage area is arranged in the roadbed layer, a shell is arranged and installed in the water storage area, and a shell is arranged and installed in the shell. This permeable to water terrace of multilayer environmental protection, it is surperficial to drip at permeating water and mix earth when the rainwater, and mix earth infiltration to the metalling through permeating water, rethread metalling continues to creep the infiltration downwards, thereby make the rainwater drip in the tank along the standpipe, and then realize the storage to the rainwater, when needs are to the lawn of permeating water and mixing earth top sprinkle water, utilize the raceway to carry the rainwater in with the tank to the sprinkler head through the water pump in, rethread sprinkler head is watered the lawn of permeating water and mixing earth top, thereby make equipment reach the effect of effectively utilizing the water resource.
Description
Technical Field
The invention belongs to the technical field of terraces, and particularly relates to a multilayer environment-friendly permeable terrace.
Background
The service range of terrace is terrace of modern industrial enterprise, commercial terrace, large and medium-sized parking lot terrace, parking garage terrace, commercial plaza, station pier, school stadium, commodity circulation warehouse terrace, hospital terrace, office terrace, swimming pool terrace, tourist attraction terrace, various entertainment activity center terraces, various research and development field terraces, in a word, as long as the terrace face that uses the concrete all can make the terrace.
The society that requires healthy growth of people at present is the most important ring, the terrace is all need to be done to outdoor exercises place etc. because the elasticity of terrace is necessary when the motion, and the terrace water permeability among the prior art is relatively poor, easily cause the rainwater to pile up and then influence the quality of terrace, thereby bring the inconvenience of use for the user, and terrace drainage ability among the prior art is very limited, in the rainfall peak period in summer, the drainage is slower, and a large amount of water resources can not get the utilization, can not carry out recycle to the rainwater, thereby the waste of resource has been caused.
Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and a multi-layer environment-friendly permeable terrace is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multilayer environment-friendly permeable terrace which is achieved by the following specific technical means:
a multilayer environment-friendly permeable terrace comprises permeable concrete, wherein a crushed stone layer is connected to the lower side of the permeable concrete, a roadbed layer is connected to the lower side of the crushed stone layer, a plain layer is connected to the lower side of the roadbed layer, a water storage area is arranged in the roadbed layer, a shell is arranged in the water storage area, a shell is arranged in the shell, an installation part is fixedly installed on the inner top wall of the shell, a fixing part is arranged on the lower side of the installation part, the lower side of the fixing part is connected with a first gear block, the left side and the right side of the first gear block are respectively connected with a second gear block through rotating gear meshing, movable baffles are fixedly connected to the upper ends of the second gear block, a reservoir is arranged between the movable baffles, a water pump is arranged in the reservoir, and a water delivery pipe is arranged on the upper side of the water pump, the upper end fixedly connected with sprinkler head of raceway, sprinkler head sets up the upside at the muddy earth that permeates water.
Further, the metalling sets up to fine sand, through setting up the metalling into fine sand, utilizes fine sand to increase the water permeability with the terrace, and then has increased the durability of the terrace that permeates water, is convenient for improve the steadiness of the terrace that permeates water.
Further, it is provided with filtering mechanism to set up between rubble layer and the roadbed layer, filtering mechanism's downside sets up and is connected with the honeycomb duct, the lower extreme fixedly connected with standpipe of honeycomb duct, the axle head and the water storage district effective connection of standpipe are convenient for carry out effective filtration, the recycling of being convenient for to the rainwater that the infiltration got off through setting up filtering mechanism.
Further, the inside of installation component is seted up flutedly, and the inside setting of recess installs spring mechanism, spring mechanism's lower extreme setting is connected with the connecting rod, the lower extreme fixed mounting of connecting rod has the mounting, through setting up the reseing of the spring mechanism cistern of being convenient for to the practicality of equipment has been promoted.
Furthermore, a gear rack is arranged on one side, opposite to the rotating gear, of the first gear block and one side, opposite to the rotating gear, of the second gear block, and the first gear block and the second gear block are meshed with the rotating gear conveniently through the gear rack.
Furthermore, fixedly connected with bracing piece between cistern and the first gear piece through the continuous collection of rainwater in the tank, has increased the weight of tank simultaneously, drives first gear piece downstream through the bracing piece.
Furthermore, the drain pipe is installed in the outside setting of casing, the axle head interlude of drain pipe is in plain ground, and when the water in the tank reached a certain amount, the excessive water in the tank was discharged in plain ground along the drain pipe through the opening on the adjustable fender, made during the rainwater can permeate plain ground rapidly, replenished groundwater effectively, alleviated urban heat island effect, protected city natural water system not destroyed, had very strong environmental protection and worth.
Advantageous effects
Compared with the prior art, the invention provides a multilayer environment-friendly permeable terrace which has the following beneficial effects:
1. this permeable to water terrace of multilayer environmental protection, it is surperficial to drip at permeating water and mix earth when the rainwater, and mix earth infiltration to the metalling through permeating water, rethread metalling continues to creep the infiltration downwards, thereby make the rainwater drip in the tank along the standpipe, and then realize the storage to the rainwater, when needs are to the lawn of permeating water and mixing earth top sprinkle water, utilize the raceway to carry the rainwater in with the tank to the sprinkler head through the water pump in, rethread sprinkler head is watered the lawn of permeating water and mixing earth top, thereby make equipment reach the effect of effectively utilizing the water resource.
2. This permeable terrace of multilayer environmental protection, when the water in the tank reached a quantitative, unnecessary water was discharged in the tank to plain stratum along the drain pipe through the opening on the adjustable fender in the tank, made during the rainwater can permeate plain stratum rapidly, replenished groundwater effectively, alleviated city heat island effect, protected city natural water system not destroyed, had very strong environmental protection and worth.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of portion B of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of portion C of FIG. 2 in accordance with the present invention;
fig. 5 is an enlarged view of the portion D of fig. 2 according to the present invention.
In the figure: 1. mixing the pervious concrete; 2. a crushed stone layer; 3. a roadbed layer; 4. a native stratum; 5. a water storage area; 6. a flow guide pipe; 7. a water storage pipe; 8. a housing; 9. a housing; 10. a mounting member; 11. a spring mechanism; 12. a connecting rod; 13. a fixing member; 14. a first gear block; 15. a rotating gear; 16. a second gear block; 17. a movable baffle; 18. a support bar; 19. a reservoir; 20. a water pump; 21. a water delivery pipe; 22. a sprinkler head; 23. a drain pipe; 24. and a filtering mechanism.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in figures 1 to 5:
the invention provides a multilayer environment-friendly permeable terrace, which comprises permeable concrete 1, wherein a gravel layer 2 is arranged and connected on the lower side of the permeable concrete 1, the gravel layer 2 is arranged to be fine sand, the fine sand is used for increasing the water permeability of the terrace by arranging the gravel layer 2 to be fine sand, so that the durability of the permeable terrace is increased, the stability of the permeable terrace is convenient to improve, a roadbed layer 3 is arranged and connected on the lower side of the gravel layer 2, a filtering mechanism 24 is arranged between the gravel layer 2 and the roadbed layer 3, a flow guide pipe 6 is arranged and connected on the lower side of the filtering mechanism 24, a water storage pipe 7 is fixedly connected at the lower end of the flow guide pipe 6, the shaft end of the water storage pipe 7 is effectively connected with a water storage area 5, the filtering mechanism 24 is arranged so as to effectively filter permeated rainwater, the rainwater is convenient to recycle, a plain layer 4 is arranged and connected on the lower side of the, the inside of the water storage area 5 is provided with a shell 8, the inside of the shell 8 is provided with a shell 9, the inside top wall of the shell 9 is fixedly provided with a mounting part 10, the inside of the mounting part 10 is provided with a groove, the inside of the groove is provided with a spring mechanism 11, the lower end of the spring mechanism 11 is provided with a connecting rod 12, the lower end of the connecting rod 12 is fixedly provided with a fixing part 13, the resetting of a reservoir 19 is facilitated by the arrangement of the spring mechanism 11, so that the practicability of the equipment is improved, the lower side of the mounting part 10 is provided with the fixing part 13, the lower side of the fixing part 13 is connected with a first gear block 14, the left side and the right side of the first gear block 14 are respectively connected with a second gear block 16 through a rotating gear 15 in a meshing manner, one side of the first gear block 14 and the second gear block 16 opposite to the rotating gear 15 are, the upper end of the second gear block 16 is fixedly connected with a movable baffle 17, a reservoir 19 is arranged between the movable baffles 17, a supporting rod 18 is fixedly connected between the reservoir 19 and the first gear block 14, rainwater in the reservoir is continuously collected and the weight of the reservoir is increased at the same time, the first gear block 14 is driven to move downwards by the supporting rod 18, a water pump 20 is arranged in the reservoir 19, a water delivery pipe 21 is arranged on the upper side of the water pump 20, a water spraying head 22 is fixedly connected with the upper end of the water delivery pipe 21, the water spraying head 22 is arranged on the upper side of the permeable concrete 1, a drain pipe 23 is arranged on the outer side of the shell 9, the shaft end of the drain pipe 23 is inserted in the plain stratum 4, when the water in the reservoir reaches a certain amount, the excessive water in the reservoir is discharged into the plain stratum 4 along the drain pipe 23 through an opening on the movable baffle 17, so that the rainwater can rapidly, effectively supplements underground water, relieves the urban heat island effect, protects the urban natural water system from being damaged, and has strong environmental protection value.
The specific use mode and function of the embodiment are as follows:
the working principle is as follows: when the multi-layer environment-friendly permeable terrace is used, when raining in summer, rainwater drops on the permeable concrete 1 and permeates into the gravel layer 2 through the permeable concrete 1, then the gravel layer 2 continues to spread and permeate downwards, meanwhile, the filtering mechanism 24 is used for filtering the rainwater which permeates down, the filtered rainwater enters the water storage pipe 7 through the flow guide pipe 6 and simultaneously drops into the water storage tank along the water storage pipe 7, storage of the rainwater is realized, when the lawn above the permeable concrete 1 needs to be sprinkled, the rainwater in the water storage tank is conveyed to the sprinkler head 22 through the water pump 20 by utilizing the water conveying pipe 21, and then the lawn above the permeable concrete 1 is sprinkled and irrigated by utilizing the sprinkler head 22, so that the equipment achieves the effect of effectively utilizing water resources; the rainwater in the water storage tank is continuously collected, meanwhile, the weight of the water storage tank is increased, the support rod 18 drives the first gear block 14 to move downwards, the first gear block 14 is meshed with the rotating gear 15 to drive the second gear block 16 to move upwards, and the amount of water spread out along the water storage tank is blocked by the movable baffle 17; when the second gear block 16 moves to a certain position, the movement is stopped, and redundant water in the water storage tank is discharged into the plain ground layer 4 along the water discharge pipe 23 through the opening on the movable baffle 17, so that rainwater can rapidly infiltrate into the plain ground layer 4, underground water is effectively supplemented, the urban heat island effect is relieved, the urban natural water system is protected from being damaged, and the environmental protection value is very high.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (7)
1. The utility model provides a multilayer environmental protection permeable floor, includes permeable concrete (1), its characterized in that: the lower side of the permeable concrete (1) is connected with a gravel layer (2), the lower side of the gravel layer (2) is connected with a roadbed layer (3), the lower side of the roadbed layer (3) is connected with a plain layer (4), a water storage area (5) is arranged in the roadbed layer (3), a shell (8) is arranged and installed in the water storage area (5), a shell (9) is arranged and installed in the shell (8), an installation part (10) is fixedly installed on the inner top wall of the shell (9), a fixing part (13) is arranged and installed on the lower side of the installation part (10), the lower side of the fixing part (13) is connected with a first gear block (14), the left side and the right side of the first gear block (14) are both connected with a second gear block (16) through meshing of a rotating gear (15), and the upper end of the second gear block (16) is fixedly connected with a movable baffle (17), set up between adjustable fender (17) and install cistern (19), set up in cistern (19) and install water pump (20), raceway (21) are installed in the upside setting of water pump (20), the upper end fixedly connected with sprinkler head (22) of raceway (21), sprinkler head (22) set up the upside at the muddy earth (1) that permeates water.
2. The multi-layer environment-friendly water-permeable terrace of claim 1, wherein: the gravel layer (2) is made of fine sand.
3. The multi-layer environment-friendly water-permeable terrace of claim 1, wherein: set up between metalling (2) and roadbed layer (3) and be provided with filtering mechanism (24), the downside setting of filtering mechanism (24) is connected with honeycomb duct (6), lower extreme fixedly connected with standpipe (7) of honeycomb duct (6), the axle head and the water storage district (5) of standpipe (7) are effectively connected.
4. The multi-layer environment-friendly water-permeable terrace of claim 1, wherein: the mounting structure is characterized in that a groove is formed in the mounting part (10), a spring mechanism (11) is arranged in the groove, a connecting rod (12) is connected to the lower end of the spring mechanism (11), and a fixing piece (13) is fixedly arranged at the lower end of the connecting rod (12).
5. The multi-layer environment-friendly water-permeable terrace of claim 1, wherein: and gear racks are arranged on one sides of the first gear block (14) and the second gear block (16) opposite to the rotating gear (15).
6. The multi-layer environment-friendly water-permeable terrace of claim 1, wherein: a supporting rod (18) is fixedly connected between the water reservoir (19) and the first gear block (14).
7. The multi-layer environment-friendly water-permeable terrace of claim 1, wherein: the outer side of the shell (9) is provided with a drain pipe (23), and the shaft end of the drain pipe (23) is inserted into the plain ground layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010964506.XA CN112095395A (en) | 2020-09-15 | 2020-09-15 | Multilayer environmental protection terrace that permeates water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010964506.XA CN112095395A (en) | 2020-09-15 | 2020-09-15 | Multilayer environmental protection terrace that permeates water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112095395A true CN112095395A (en) | 2020-12-18 |
Family
ID=73751069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010964506.XA Withdrawn CN112095395A (en) | 2020-09-15 | 2020-09-15 | Multilayer environmental protection terrace that permeates water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112095395A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160000775U (en) * | 2016-01-26 | 2016-03-08 | 양흥모 | A rain water treatment device for drain pipes |
| CN205095482U (en) * | 2015-11-09 | 2016-03-23 | 中煤西安设计工程有限责任公司 | Go out mill weir device with adjustable be applied to regulation sedimentation tank |
| CN106049603A (en) * | 2016-08-05 | 2016-10-26 | 山东交通学院 | Urban viaduct rainwater comprehensive recycling system and method |
| CN109138047A (en) * | 2018-09-08 | 2019-01-04 | 芜湖市高科电子有限公司 | A kind of intelligent villa rainwater recovery device that can be picked up rainwater and be re-used |
| CN208379671U (en) * | 2018-06-20 | 2019-01-15 | 桐乡市乌镇内利仿古园林建设有限公司 | Rainwater recycle utilizes system |
| CN208763144U (en) * | 2018-08-22 | 2019-04-19 | 广州众粤市政园林设计工程有限公司 | Sponge city paved road structure |
| CN210238203U (en) * | 2019-07-02 | 2020-04-03 | 东莞市枫华园林工程有限公司 | Environment-friendly permeable terrace |
| CN210746649U (en) * | 2019-08-20 | 2020-06-16 | 罗红 | Automatic watering device with disinfection function for livestock breeding |
-
2020
- 2020-09-15 CN CN202010964506.XA patent/CN112095395A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205095482U (en) * | 2015-11-09 | 2016-03-23 | 中煤西安设计工程有限责任公司 | Go out mill weir device with adjustable be applied to regulation sedimentation tank |
| KR20160000775U (en) * | 2016-01-26 | 2016-03-08 | 양흥모 | A rain water treatment device for drain pipes |
| CN106049603A (en) * | 2016-08-05 | 2016-10-26 | 山东交通学院 | Urban viaduct rainwater comprehensive recycling system and method |
| CN208379671U (en) * | 2018-06-20 | 2019-01-15 | 桐乡市乌镇内利仿古园林建设有限公司 | Rainwater recycle utilizes system |
| CN208763144U (en) * | 2018-08-22 | 2019-04-19 | 广州众粤市政园林设计工程有限公司 | Sponge city paved road structure |
| CN109138047A (en) * | 2018-09-08 | 2019-01-04 | 芜湖市高科电子有限公司 | A kind of intelligent villa rainwater recovery device that can be picked up rainwater and be re-used |
| CN210238203U (en) * | 2019-07-02 | 2020-04-03 | 东莞市枫华园林工程有限公司 | Environment-friendly permeable terrace |
| CN210746649U (en) * | 2019-08-20 | 2020-06-16 | 罗红 | Automatic watering device with disinfection function for livestock breeding |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201218 |
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| WW01 | Invention patent application withdrawn after publication |