CN212583068U - Greening roof for sponge city - Google Patents
Greening roof for sponge city Download PDFInfo
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- CN212583068U CN212583068U CN202021063622.6U CN202021063622U CN212583068U CN 212583068 U CN212583068 U CN 212583068U CN 202021063622 U CN202021063622 U CN 202021063622U CN 212583068 U CN212583068 U CN 212583068U
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Abstract
The utility model relates to a afforestation roof for sponge city belongs to roof greening technical field, and it is including planting kind district and passageway district, and planting kind district is equipped with the retaining chamber including the planting layer that is used for planting the plant, planting layer below, and retaining chamber and planting are equipped with the filter layer between the layer, and the soil that the layer was planted in the filter layer is used for the separation falls into the retaining intracavity, and the passageway district includes permeable bed and escape canal, escape canal and retaining chamber intercommunication, and the lower terminal surface of permeable bed is higher than the bottom surface that the retaining chamber bottom surface was nevertheless less than the filter layer. The utility model provides a afforestation roof for sponge city improves the water storage capacity on afforestation roof, practices thrift human cost's input.
Description
Technical Field
The utility model belongs to the technical field of roof greening technique and specifically relates to a afforestation roof for sponge city is related to.
Background
The sponge city is a new generation of urban rainfall flood management concept, and means that the city has good elasticity in the aspects of adapting to environmental changes and coping with natural disasters caused by rainwater. In the construction process of sponge city, often construct the afforestation roof at the building top, can not only increase the afforestation area in city, can effectively improve the water storage capacity on roof simultaneously, effectively utilize the rainwater.
The water storage capacity of the soil is closely related to the thickness of the soil, the thickness of a planting soil layer for the existing roof greening is generally small, so that the water storage capacity of the soil is weak, the soil cannot store more rainwater in rainy seasons, and a water accumulation surface is easily formed when the rainwater cannot be discharged in time to influence the growth of plants; in dry seasons, the water storage capacity of the soil is low, so that the plants can normally grow only by frequent irrigation, and a large amount of manpower is required to ensure the normal growth of roof vegetation.
Therefore, a new technical solution is needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a afforestation roof for sponge city improves the water storage capacity on afforestation roof, practices thrift human cost's input.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a afforestation roof for sponge city, is distinguished and is crossed the way including planting the district, it is distinguished including the planting layer that is used for planting the plant to plant the district, it is equipped with the retaining chamber to plant the layer below, retaining chamber and planting are equipped with the filter layer between the layer, the filter layer is used for the soil that the layer was planted in the separation to fall into the retaining intracavity, the passageway district is including permeable bed and escape canal, escape canal and retaining chamber intercommunication, the lower terminal surface of permeable bed is higher than the bottom surface that the retaining chamber bottom surface was nevertheless less than the filter layer.
By adopting the technical scheme, plants are planted in the planting area, the aisle area is used for people to walk, the water storage cavity is arranged below the planting layer, the water storage capacity of the water storage cavity is utilized, water in the water storage cavity is evaporated under the condition of dry seasons or large water evaporation amount, so that water vapor enters the filter layer or even the planting layer through the geotextile, the water supply from bottom to top meets the requirement of plant growth, meanwhile, the plant root system is induced to grow downwards, and the plant root tying is facilitated; meanwhile, soil in the planting layer is shielded and blocked by the filter layer, soil enters the water storage cavity along with rainwater to cause water and soil loss, the water storage cavity is arranged to effectively improve the water storage capacity of the planting area, and rainwater is received by the water storage cavity to avoid plants in the planting layer from being flooded in rainy seasons or under the condition of large rainfall; through setting up the escape canal in the corridor district, escape canal and retaining chamber intercommunication to through setting up the position that sets up the permeable bed, thereby make the water inlet of escape canal be less than the filter layer, make the water yield of retaining intracavity can in time discharge, avoid the filter layer to soak at the water yield.
The utility model discloses further set up to: an isolation layer is arranged between the planting layer and the passageway area, and the isolation layer extends to the middle of the filter layer.
Through adopting above-mentioned technical scheme, through setting up the isolation layer, the soil of smuggleing secretly when avoiding planting in situ rainwater or irrigation water to flow towards the permeable bed causes permeable bed water permeability to reduce.
The utility model discloses further set up to: the up end of escape canal both sides lateral wall is equipped with a plurality of support columns along its length direction interval, and is a plurality of the water-stop sheet has been laid to the support column upper end, the water-stop sheet is used for separating permeable bed and escape canal.
Through adopting above-mentioned technical scheme, leave the clearance through setting up the support column so that escape canal lateral wall up end and permeable bed between the terminal surface down to realize the intercommunication between escape canal and the retaining chamber, through setting up the water-stop sheet, make permeable bed intraformational rainwater get into the retaining intracavity earlier, so that the water yield of preferred replenishment retaining intracavity under the less condition of rainfall.
The utility model discloses further set up to: the support plate is arranged between the filter layer and the water storage cavity, the support plate is densely provided with water permeable holes, a support frame is arranged in the water storage cavity, and the support frame is fixedly connected with the support plate.
Through adopting above-mentioned technical scheme, support the installation of filter layer through setting up the backup pad, support the backup pad through the support frame simultaneously, avoid the backup pad to take place because the recessed condition of middle part atress undersize.
The utility model discloses further set up to: geotextile is laid above the supporting plate and used for preventing soil from falling into the water storage cavity.
Through adopting above-mentioned technical scheme, filter the rainwater or the irrigation water that gets into the retaining intracavity through geotechnological cloth and keep apart to further reduce the rainwater that flows into the retaining intracavity or the mud content of irrigation water.
The utility model discloses further set up to: one end intercommunication in escape canal has the drain pipe, the drain pipe intercommunication has rainwater recovery pond.
Through adopting above-mentioned technical scheme, in time discharge the rainwater in the escape canal through setting up the drain pipe and do not retrieve the interior exhaust rainwater of drain pipe through setting up rainwater recovery pond to improve rainwater recycle and rate.
The utility model discloses further set up to: the drain diapire sets up towards drain pipe one end downward sloping.
Through adopting above-mentioned technical scheme, through setting up the escape canal diapire of slope to the rainwater assembles towards drain pipe one end in the escape canal of being convenient for, and discharges from the drain pipe.
The utility model discloses further set up to: the planting district interval is equipped with a plurality of irrigation nozzles, and is a plurality of irrigation nozzles is connected with the delivery pipe jointly, the delivery pipe is laid in planting the layer, the delivery pipe is vertical to be equipped with a plurality of branch pipes that run through planting the layer, and is a plurality of the branch pipe sets up with irrigation nozzles one-to-one, irrigation nozzles sets up in the branch pipe top.
By adopting the technical scheme, the irrigation nozzle can actively irrigate and replenish the plants in the planting area when the water evaporation capacity is large or in dry seasons; by laying the water supply pipe in the planting layer, the influence of the outside temperature on the water supply pipe is reduced by covering the soil.
The utility model discloses further set up to: the water supply pipe is provided with a water replenishing pipe communicated with the water storage cavity, the water replenishing pipe is provided with a water outlet, and the water replenishing pipe is provided with an electromagnetic valve which is used for controlling whether the water outlet is communicated or not.
By adopting the technical scheme, the water supply pipe is provided with the water replenishing pipe to actively replenish the water quantity in the water storage cavity, and the electromagnetic valve is arranged to ensure that the irrigation nozzle sprays irrigation water with enough pressure in the spraying process; set up the moisturizing pipe simultaneously and make and irrigate the completion back, remaining irrigation water can discharge into the retaining chamber through the moisturizing pipe in the water supply pipe.
To sum up, the utility model discloses a following at least one useful technological effect:
the water storage cavity is arranged below the planting layer, so that the water storage capacity of the planting area is improved, rainwater can be stored and utilized in rainy seasons or under the condition of large rainfall, and the plants in the planting area are supplemented with water through water evaporation in dry seasons or under the condition of large evaporation capacity, so that the plant growth needs are met, and meanwhile, the plant root system is induced to grow downwards;
through setting up the isolation layer, will plant the layer and keep apart with the permeable bed to reduce the condition that soil blockked up the permeable bed and take place, guarantee permeable bed and filter layer intercommunication simultaneously, with the drainage effect who improves planting layer and filter layer, reduce the condition that the rainwater is gathered and take place, simultaneously through setting up the water-stop sheet, make the rainwater that the permeable bed received can preferentially supply the retaining chamber, in dry season or when rainfall is few, can effectively reduce the number of times that the retaining intracavity rainwater supplyed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
FIG. 3 is a partial cross-sectional view of the present invention, primarily showing the positional relationship between the drainage ditch and the water storage chamber;
fig. 4 is a partial cross-sectional view of the present invention, mainly illustrating the composition of the aisle region;
fig. 5 is a partial sectional view of the present invention, mainly showing the relationship between the water supply pipe and the planting area.
In the figure, 1, a planting area; 11. planting a layer; 12. a filter layer; 13. geotextile; 14. a support plate; 15. a support frame; 16. a water storage cavity; 2. a corridor area; 21. a drainage ditch; 22. a water permeable layer; 23. a support pillar; 24. a water-stop sheet; 25. water permeable bricks; 26. an isolation layer; 3. a rainwater recovery tank; 4. a drain pipe; 5. a water supply pipe; 51. a water pump; 52. a branch pipe; 53. a water replenishing pipe; 6. an irrigation nozzle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a afforestation roof for sponge city, including planting district 1 and passageway district 2, passageway district 2 will plant district 1 and divide into a plurality of fritters regionally (show in the picture that passageway district 2 is cross, will plant district 1 and divide into four fritters regionally), plant district 1 and be used for planting the plant, passageway district 2 is used for personnel's walking.
Referring to fig. 1 and 2, in order to enhance the water storage capacity of the planting area 1, the bottom of the planting area 1 is provided with a water storage cavity 16, the bottom wall and the side wall of the water storage cavity 16 are coated with waterproof layers for storing rainwater or irrigation water, a filter layer 12 and a planting layer 11 are sequentially arranged above the water storage cavity 16, the planting layer 11 is formed by filling soil and is used for planting plants, the filter layer 12 is formed by filling gravel sand grains and is used for filtering rainwater or irrigation water flowing into the water storage cavity 16, the content of mixed silt in the rainwater or the irrigation water is reduced, the soil of the planting layer 11 is prevented from falling into the water storage cavity 16, and the water and soil loss is reduced. In order to improve the filtering effect of the filtering layer 12, the filtering layer 12 adopts an ecological grid structure, and gravel sand particles filled in the ecological grid structure are compacted, so that gaps among the gravel sand particles are smaller; meanwhile, the sand grains with small particle diameters are laid on the bottom layer, and the gravel with large particle diameters is filled in the top layer, so that the filtering effect is guaranteed, and meanwhile rainwater or irrigation water in the planting layer 11 can be discharged timely.
Referring to fig. 2 and 3, the periphery of the supporting plate 14 is abutted against the upper end face of the side wall of the water storage cavity 16, in order to enhance the installation strength of the filtering layer 12 and the planting layer 11, the supporting plate 14 is arranged between the filtering layer 12 and the water storage cavity 16, and the supporting plate 14 is densely provided with water permeable holes so that rainwater or irrigation water can enter the water storage cavity 16 through the water permeable holes; the support frame 15 that is used for supporting the fixed support board 14 is equipped with in the retaining chamber 16, the upper end and the backup pad 14 fixed connection of support frame 15, and the lower extreme of support frame 15 is contradicted and is supported at the 16 diapalls of retaining chamber, contradicts through support frame 15 to support the backup pad 14 to guarantee that the middle part can not appear after the filter layer 12 installation and receive the low recessed condition emergence of holding power undersize. In order to reduce the mud content of rainwater or irrigation water flowing into the water storage cavity 16, geotextile 13 is laid above the supporting plate 14, and the geotextile 13 is used for preventing soil from falling into the water storage cavity 16 and filtering and isolating more mud and sand in the rainwater or irrigation water.
Referring to fig. 1 and 2, in order to improve the rainwater recycling rate, the corridor area 2 sequentially comprises a permeable layer 22 and a drainage ditch 21 from top to bottom, the permeable layer 22 is formed by filling gravel into a gabion, and the drainage ditch 21 is communicated with the water storage cavity 16; meanwhile, in order to avoid the occurrence of root rot of plants due to excessive moisture caused by the fact that the bottom of the filter layer 12 is soaked in water, the lower end face of the water permeable layer 22 is higher than the bottom face of the water storage cavity 16 but lower than the bottom face of the filter layer 12, namely, the water inlet of the drainage ditch 21 is positioned between the bottom face of the water storage cavity 16 and the lower end face of the filter layer 12, and when the rainwater in the water storage cavity 16 overflows the water inlet of the drainage ditch 21, the rainwater in the water storage cavity 16 can be drained into the drainage ditch 21. One end intercommunication in escape canal 21 has drain pipe 4, drain pipe 4 deviates from 21 one end intercommunication in escape canal has rainwater recovery pond 3, and for improving 21 drainage effects in escape canal, 21 diapalls in escape canal are towards the 4 one end downward sloping settings in drain pipe, in this embodiment, corridor district 2 is the cross setting, and consequently escape canal 21 also is the cross setting, for rainwater accumulation in the 21 escape canals in the escape canal of avoiding drain pipe 4 both sides, 21 diapalls in escape canal 21 that are located drain pipe 4 both sides are towards the 21 downward sloping settings in middle part escape canal.
Referring to fig. 2 and 3, in order to ensure the stability of the permeable layer 22 installed above the drainage ditch 21 and the connectivity between the drainage ditch 21 and the water storage cavity 16, a plurality of support columns 23 are arranged on the upper end surfaces of the side walls on both sides of the drainage ditch 21 at intervals along the length direction of the drainage ditch, a water stop plate 24 is laid on the upper end surfaces of the support columns 23, and the permeable layer 22 is installed above the water stop plate 24 and supported by the water stop plate 24. Meanwhile, the water-stop sheet 24 is used for separating the permeable layer 22 and the drainage ditch 21, so that rainwater recycled through the permeable layer 22 after rainfall can flow into the water storage cavity 16 firstly to supplement the water amount in the water storage cavity 16, and the times of artificial irrigation in the season with less rainfall can be effectively reduced.
Referring to fig. 2 and 3, in order to avoid that soil smugglied secretly when rainwater or irrigation water flows towards permeable bed 22 in planting layer 11 causes permeable bed 22 water permeability to reduce, it is equipped with isolation layer 26 to plant between layer 11 and passageway district 2, and isolation layer 26 outstanding planting layer 11 up end for separate passageway district 2 and planting district 1. Meanwhile, because the upper part of the filter layer 12 has more soil content for filtering and blocking, the isolation layer 26 extends to the middle part of the filter layer 12, and the soil content entering the permeable layer 22 is further reduced. The lower part of the filter layer 12 is communicated with the permeable layer 22, when the rainfall is large and the filter layer 12 is not easy to drain due to the influence of the geotextile 13, the rainwater in the filter layer 12 can enter the water storage cavity 16 through the permeable layer 22, so that the drainage effect is improved. For making things convenient for personnel to walk and to distinguish 2 to the passageway and clear up, permeable brick 25 has been laid to the upper end of permeable bed 22, when guaranteeing 2 water permeability in passageway district, improves the roughness on 2 road surfaces in passageway district, is convenient for handle such as earth, rubbish that drop in passageway district 2 simultaneously.
Referring to fig. 3 and 5, in order to conveniently irrigate the plants in the planting area 1 in dry seasons or when the plants do not rain for a long time, a plurality of irrigation nozzles 6 are arranged at intervals in the planting area 1, and the irrigation nozzles 6 are connected with a water supply pipe 5. The water supply pipe 5 is connected to the rainwater recovery tank 3, and a water pump 51 is provided on the water supply pipe 5 for pumping the irrigation water in the rainwater recovery tank 3 into the water supply pipe 5 and spraying from the irrigation nozzle 6. Referring to fig. 4, for reducing the influence of ambient temperature environment to delivery pipe 5 and the occupation of delivery pipe 5 to the planting surface, in delivery pipe 5 laid and planted layer 11, simultaneously for guaranteeing irrigation nozzle 6's normal use, delivery pipe 5 was vertical to be equipped with a plurality of branch pipes 52 that run through and plant layer 11, a plurality of branch pipes 52 set up with irrigation nozzle 6 one-to-one, and irrigation nozzle 6 sets up on the branch pipe 52 top for irrigation nozzle 6 is higher than and plants layer 11 soil up end.
Referring to fig. 2 and 5, the water in the water storage cavity 16 is evaporated due to the influence of the external environment temperature, and the evaporated water vapor is transmitted into the planting layer 11 through the water permeable holes and sequentially penetrates through the geotextile 13 and the filter layer 12, so that the evaporation amount of the soil water in the planting layer 11 is supplemented, and the growth requirement of plants is met; meanwhile, as the water in the water storage cavity 16 is evaporated, the soil humidity at the lower end of the planting layer 11 in the dry season is higher than that at the upper end, so that the root system of the plant is induced to grow downwards, and the root tying of the plant is facilitated. In order to ensure that the water quantity in the water storage cavity 16 in dry seasons is kept sufficient, the water supply pipe 5 is provided with a water supplementing pipe 53 communicated with the water storage cavity 16, the water supplementing pipe 53 is provided with a water outlet facing the water storage cavity 16, the water supplementing pipe 53 is provided with an electromagnetic valve used for controlling whether the water outlet is communicated with water or not, and when the water quantity in the water storage cavity 16 is too small, the electromagnetic valve can be controlled to be opened so as to supplement the water quantity in the water storage cavity 16. Simultaneously for avoiding sunshine to shine and cause remaining irrigation water temperature rise in the delivery pipe 5 after irrigating and influence vegetation, irrigation nozzle 6 sprays when irrigating, opens water pump 51, and the solenoid valve keeps closing in order to guarantee irrigation nozzle 6's spray pressure, and after irrigation nozzle 6 sprays and irrigates and accomplish, closes water pump 51 and closes and the solenoid valve is opened for irrigation water in the delivery pipe 5 passes through the delivery port and discharges into in retaining chamber 16.
The specific implementation process of the embodiment: when rainfall or irrigation water is strong in the planting layer 11, rainwater or irrigation water flows downwards in sequence through the filter layer 12 and enters the water storage cavity 16 to be stored, and meanwhile rainwater received by the passageway area 2 also enters the water storage cavity 16 through the permeable layer 22. When the water in the water storage cavity 16 overflows the height of the side wall of the drainage ditch 21, the water in the water storage cavity 16 flows into the drainage ditch 21 and enters the rainwater recovery tank 3 through the drainage pipe 4. When the situation that the permeable efficiency of the filter layer 12 is smaller than the rainfall occurs, the water in the filter layer 12 enters the water storage cavity 16 through the permeable layer 22 to improve the rainwater recovery efficiency.
When meeting dry seasons or the water evaporation amount is large and needs manual irrigation water replenishing, the irrigation water in the rainwater recovery pond 3 is pumped to the irrigation nozzle 6 by turning on the water pump 51. After the spraying irrigation is finished, whether the electromagnetic valve is opened to supplement the water in the water storage cavity 16 or not is determined according to the water content in the water storage cavity 16. If the replenishment is required, the solenoid valve is opened while the water pump 51 is kept open, and if the replenishment is not required, the solenoid valve is opened after the water pump 51 is closed, so that the irrigation water in the water supply pipe 5 can flow into the water storage chamber 16 through the water replenishment pipe 53.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. A greening roof for sponge cities, comprising a planting area (1) and an aisle area (2), the planting area (1) comprising a planting layer (11) for planting plants, characterized in that: plant layer (11) below and be equipped with water storage chamber (16), be equipped with filter layer (12) between water storage chamber (16) and the planting layer (11), in filter layer (12) were used for the soil that the separation was planted layer (11) fell into water storage chamber (16), passageway district (2) were including permeable bed (22) and escape canal (21), escape canal (21) and water storage chamber (16) intercommunication, the lower terminal surface of permeable bed (22) is higher than the bottom surface of water storage chamber (16) bottom surface but is less than the bottom surface of filter layer (12).
2. A green roof for a sponge city according to claim 1, wherein: an isolation layer (26) is arranged between the planting layer (11) and the passageway area (2), and the isolation layer (26) extends to the middle part of the filter layer (12).
3. A green roof for a sponge city according to claim 2, wherein: the up end of escape canal (21) both sides lateral wall is equipped with a plurality of support columns (23), a plurality of along its length direction interval support column (23) upper end has laid water-stop sheet (24), water-stop sheet (24) are used for separating permeable bed (22) and escape canal (21).
4. A green roof for a sponge city according to claim 1, wherein: be equipped with backup pad (14) between filter layer (12) and retaining chamber (16), backup pad (14) are intensive to be equipped with the hole of permeating water, be equipped with support frame (15) in retaining chamber (16), support frame (15) and backup pad (14) fixed connection.
5. A green roof for a sponge city according to claim 4, wherein: geotextile (13) is laid above the supporting plate (14), and the geotextile (13) is used for preventing soil from falling into the water storage cavity (16).
6. A green roof for a sponge city according to claim 1, wherein: one end of the drainage ditch (21) is communicated with a drainage pipe (4), and the drainage pipe (4) is communicated with a rainwater recovery tank (3).
7. A green roof for a sponge city according to claim 6, wherein: the bottom wall of the drainage ditch (21) is downwards inclined towards one end of the drainage pipe (4).
8. A green roof for a sponge city according to claim 1, wherein: plant district (1) interval and be equipped with a plurality of irrigation nozzles (6), it is a plurality of irrigation nozzles (6) are connected with delivery pipe (5) jointly, delivery pipe (5) are laid in planting layer (11), delivery pipe (5) are vertical to be equipped with a plurality of branch pipes (52) that run through planting layer (11), and are a plurality of branch pipes (52) and irrigation nozzles (6) one-to-one set up, irrigation nozzles (6) set up in branch pipe (52) top.
9. A green roof for a sponge city according to claim 8, wherein: the water supply pipe (5) is provided with a water replenishing pipe (53) communicated with the water storage cavity (16), the water replenishing pipe (53) is provided with a water outlet, the water replenishing pipe (53) is provided with an electromagnetic valve, and the electromagnetic valve is used for controlling whether the water outlet is communicated with water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021063622.6U CN212583068U (en) | 2020-06-10 | 2020-06-10 | Greening roof for sponge city |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021063622.6U CN212583068U (en) | 2020-06-10 | 2020-06-10 | Greening roof for sponge city |
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| CN212583068U true CN212583068U (en) | 2021-02-23 |
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| CN202021063622.6U Active CN212583068U (en) | 2020-06-10 | 2020-06-10 | Greening roof for sponge city |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262868A (en) * | 2022-07-15 | 2022-11-01 | 山东省建筑设计研究院有限公司 | Sponge city garden roof structure |
| CN116965260A (en) * | 2023-08-10 | 2023-10-31 | 深圳市新绿园林工程有限公司 | Sponge city roofing greening device |
-
2020
- 2020-06-10 CN CN202021063622.6U patent/CN212583068U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262868A (en) * | 2022-07-15 | 2022-11-01 | 山东省建筑设计研究院有限公司 | Sponge city garden roof structure |
| CN116965260A (en) * | 2023-08-10 | 2023-10-31 | 深圳市新绿园林工程有限公司 | Sponge city roofing greening device |
| CN116965260B (en) * | 2023-08-10 | 2024-05-10 | 深圳市新绿园林工程有限公司 | Sponge city roofing greening device |
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