CN221276769U - Sponge facility for urban road green belt - Google Patents
Sponge facility for urban road green belt Download PDFInfo
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- CN221276769U CN221276769U CN202322848434.4U CN202322848434U CN221276769U CN 221276769 U CN221276769 U CN 221276769U CN 202322848434 U CN202322848434 U CN 202322848434U CN 221276769 U CN221276769 U CN 221276769U
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- water storage
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- storage layer
- purification
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000000746 purification Methods 0.000 claims abstract description 31
- 239000002689 soil Substances 0.000 claims abstract description 27
- 239000008213 purified water Substances 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 5
- 239000004746 geotextile Substances 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000003973 irrigation Methods 0.000 claims description 2
- 230000002262 irrigation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 7
- 238000010276 construction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 239000008262 pumice Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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- Road Paving Structures (AREA)
- Sewage (AREA)
Abstract
The utility model relates to a sponge facility for an urban road green belt, which comprises a purified water storage layer (1) and a purified water well (8) for rainwater recovery, wherein the left end head part and the right end head part of the purified water storage layer are respectively connected with roads on two sides and extend along the two ends of the green belt; the middle part of the purification water storage layer (1) is of a sinking structure, the bottom of the purification water storage layer is provided with a drain pipe (2) connected with a water purification well (8), and an overflow port (10) connected with a municipal rainwater pipe network (11) is arranged in the water purification well (8); a planting soil layer (3) and plants are arranged in the submerged middle of the purified water storage layer (1), and the elevation of the planting soil layer (3) is not lower than that of a road surface; the bottom of the purified water layer (1) is provided with a plain soil ramming layer (4). The utility model has good traffic isolation effect, flexible arrangement of urban landscape modeling, meets the construction requirement of sponge cities, and has simple integral structure, convenient construction and convenient maintenance.
Description
Technical Field
The utility model relates to a sponge facility for an urban road green belt, and belongs to the technical field of sponge urban infrastructure construction.
Background
The sponge city is a new generation city rain and flood management concept, and the city can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, responding to natural disasters caused by rainwater and the like, and can be also called as a 'water elasticity city'. The urban water-saving device has the advantages that the urban water-saving device is like a sponge, water seepage, water retention, water storage and water purification can be realized when the urban water-saving device rains, the stored water is released and utilized when the water is needed, the storage, the permeation and the purification of rainwater in urban areas are realized to the greatest extent on the premise of ensuring the urban water drainage waterlogging prevention safety, and the utilization of rainwater resources and the ecological environment protection are promoted. Urban roads are roads in urban areas, serve urban internal systems, are required to meet various municipal functions, are generally complex to form as municipal roads, and are required to consider the arrangement requirements of urban pipelines (sewage pipes, wire and cable pipes, water supply and air supply pipes and the like, which are generally buried in road separation green belts), bicycle lanes, sidewalks, urban landscape shapes and the like besides the basic functions of the bicycle.
In the construction of the green belt of the urban road at present, two greening modes of pile height type and sinking type are generally adopted. Relatively, the pile-up type green belt has better traffic separation function on roads, better safety effect on vehicle running, more convenient urban landscape modeling, flexible arrangement and better urban beautifying capability. Because the greening rate of the municipal road is generally lower, rainwater can be discharged after the rainwater is required to be permeated, stagnated and slowly released according to the requirement of the sponge city, the rainwater runoff interception and stagnation permeation can be met only by adopting a concave stagnation facility, and the rainwater can be only arranged in a greening separation belt of the municipal road, which is contrary to the functional requirement of public infrastructure of the municipal road and the basic requirement of landscaping, so that the sponge city construction index of the municipal road is difficult to reach the standard or has no better effective measure.
According to the sponge water storage device and method for the urban road green belt disclosed by the Chinese patent CN111663624B, a water collecting funnel and a water diversion pipeline are arranged in the lifting type green belt to rapidly drain and collect rainwater to a water storage layer, so that the purpose of water storage is achieved, and meanwhile, the sponge water storage device and method for the urban road green belt have various advantages of the lifting type green belt. However, the scheme is not provided with drainage facilities, is not suitable for areas with large rainwater quantity, and has complex structure and high construction requirement.
Therefore, there is a need for a sponge facility for urban road greenbelt, which has the advantages of simple structure, convenient construction, good traffic isolation effect and convenient landscape modeling, and can better meet the requirements of sponge urban rainwater resource management.
Disclosure of Invention
The utility model aims to overcome the defects and provide the urban road green belt sponge facility which has good traffic isolation effect and good urban beautifying effect and can better meet the requirements of sponge urban rainwater resource management.
The purpose of the utility model is realized in the following way:
The utility model provides an urban road greenbelt sponge facility, contains the purification aquifer that both ends are connected with both sides road respectively about, the middle part of purification aquifer is the submerged structure, the bottom is provided with the drain pipe with municipal rainwater pipe network intercommunication, and both ends elevation is less than corresponding road surface elevation respectively about; setting a planting soil layer and plants in the submerged middle of the purified aquifer, wherein the elevation of the planting soil layer is not lower than the elevation of a road surface; the bottom of the purified water storage layer is a plain soil rammed layer.
Further, the road is a motor vehicle lane or a non-motor vehicle lane.
Furthermore, the purified water storage layer is a glass light stone layer with grain size grading.
Further, waterproof geotextile is arranged between the purified aquifer and the plain soil rammed layer.
Further, a permeable geotextile is arranged between the purified aquifer and the planting soil layer.
Further, the end parts of the road and the purifying aquifer are provided with a curb, and the curb is provided with a water channel.
Furthermore, the two ends of the purified water storage layer are provided with water seepage channels.
Furthermore, a rainwater recovery water purifying well is arranged below the water purifying layer, and a water taking pump is arranged in the water purifying well to take water for road flushing or green planting irrigation.
Compared with the prior art, the utility model has the beneficial effects that:
The purification aquifer adopted by the utility model is designed underground, the middle part of the purification aquifer is in a sinking structure, and the purification aquifer is systematically and continuously collected by utilizing the water flow gravity principle through a water passing channel at the end part or a downward-seepage rainwater garden, so that excessive surface runoffs are converged, and the urban rainfall flood pressure is relieved; the water quality is purified by utilizing the synergistic effect of glass pumice and microorganisms in plant growth; the green belt is not concave or even piled up, so that the urban landscape modeling arrangement is flexible, and the traffic isolation effect is good; the rainwater can be recycled after purification, and the facility has the advantages of simple integral structure, convenient construction and convenient maintenance.
Drawings
Fig. 1 is a schematic cross-sectional structure of a sponge facility for urban road green belts according to the present utility model.
Wherein:
The water purifying and storing device comprises a water purifying and storing layer 1, a water draining pipe 2, a soil planting layer 3, a plain soil ramming layer 4, a motor vehicle lane 5, a non-motor vehicle lane 6, a curb 7, a water purifying well 8, a water taking pump 9, an overflow port 10 and a municipal rainwater pipe network 11.
Detailed Description
Referring to fig. 1, the sponge facility for urban road green belts comprises a purified water storage layer 1, wherein the left end and the right end of the purified water storage layer are respectively connected with roads on two sides, the roads are motor lanes 5 or non-motor lanes 6, the left side of the road is the motor lanes 5, the right side of the road is the non-motor lanes 6 in the embodiment, a curb 7 is arranged between the roads and the end parts of the purified water storage layer 1, a water passing channel is arranged on the curb 7, the water passing channel area is designed according to the water passing flow, the road surface runoff is convenient to pass, and the occurrence of road surface water accumulation is prevented;
The middle part of the purification water storage layer 1 is of a sinking structure, the left end head part and the right end head part extend along the two ends of the green belt, and the bottom is provided with a drain pipe 2 connected with a rainwater recovery water purification well 8; a water taking pump 9 is arranged in the water purifying well 8, and an overflow port 10 is arranged in the water purifying well 8 and is communicated with a municipal rainwater pipe network 11; the purified rainwater layer 1 is connected with the purified rainwater well 8 from high to low according to gravity flow through the drain pipe 2; in order to prevent water seepage and blockage at two ends of the purified water storage layer 1, a water seepage channel 12 provided with a filter screen is arranged at the end position;
The purified water layer 1 is a glass light stone layer with grain size grading, and plants are planted at exposed parts at two ends of the purified water layer 1; when raining, road surface runoffs on two sides enter the purification water storage layer 1 through two end parts of the purification water storage layer 1, and the purposes of water quality purification and water storage are realized under the synergistic effect of plants, glass light stones and microorganisms; the drainage pipe 2 is provided with a water diversion hole, so that the purified rainwater in the purified water storage layer 1 can flow into the water purification well 8, and excessive purified water is discharged into the municipal rainwater pipe network 11 through the overflow port 10 in the well, so that the waterlogging problem is prevented under the condition of large rainwater quantity;
The method comprises the steps that a planting soil layer 3 and plants are arranged in the submerged middle of a purification water storage layer 1, the planting soil layer 3 is naturally piled up, the elevation of the planting soil layer is not lower than that of a road surface according to design, and the planting soil layer can be planted and landscaping in a diversified manner, so that the planting soil layer has the advantages of good traffic isolation effect, convenient landscape modeling and good city beautifying effect; a permeable geotextile is arranged between the purified aquifer 1 and the planting soil layer 3; one part of rainwater permeates from the planting soil layer 3 and enters the purification water storage layer 1 through the permeable geotechnical cloth, the other part forms runoff on the surface of the planting soil layer 3 and downwards enters the purification water storage layer 1 through the two end head facilities of the purification water storage layer 1, road surface ponding is not formed to influence traffic even if the rainwater quantity is large, water quality purification and water storage are realized under the synergistic effect of plants, glass light stones and microorganisms, rainwater is comprehensively utilized, and redundant purified water can flow into a municipal rainwater pipe network through a drain pipe 2;
The bottom of the purified water storage layer 1 is provided with a plain soil ramming layer 4 serving as a supporting layer, and waterproof geotechnical cloth is arranged between the purified water storage layer 1 and the plain soil ramming layer 4.
During construction, firstly, a layer of plain soil ramming layer 4 is arranged at the sunken position in the middle of the roads on two sides, waterproof geotechnical cloth is laid, then glass light stone is laid for purifying the water storage layer 1, a drain pipe 2 is arranged, water permeable geotechnical cloth is laid on the surface of the glass light stone layer, planting soil layers 3 are naturally piled up at the sunken position in the middle of the glass light stone layer, plants are planted, and construction of sponge facilities is completed.
The sponge facility is designed underground, and the urban rainfall flood pressure is relieved by collecting rainwater and converging excessive surface runoff; effectively utilizes rainwater resources, is ecological and environment-friendly, is natural and low-carbon, and realizes water quality purification by utilizing the synergistic effect of glass pumice and microorganisms through plant growth; the green belt is not concave or even piled up, thus enriching the urban landscape modeling and arranging flexibly and having good traffic isolation effect.
In addition: it should be noted that the above embodiment is only one of the optimization schemes of this patent, and any modification or improvement made by those skilled in the art according to the above concepts is within the scope of this patent.
Claims (8)
1. A sponge facility for urban road green belts is characterized in that: comprises a purified water storage layer (1) with left and right end heads respectively connected with roads on two sides and extending along two ends of a green belt, and a purified water well (8) for recovering rainwater; the middle part of the purification water storage layer (1) is of a sinking structure, the bottom of the purification water storage layer is provided with a drain pipe (2) connected with a water purification well (8), and an overflow port (10) connected with a municipal rainwater pipe network (11) is arranged in the water purification well (8); a planting soil layer (3) and plants are arranged in the submerged middle of the purified water storage layer (1), and the elevation of the planting soil layer (3) is not lower than that of a road surface; the bottom of the purified water layer (1) is provided with a plain soil ramming layer (4).
2. The urban road green belt sponge installation according to claim 1, characterized in that: the road is a motor vehicle lane (5) or a non-motor vehicle lane (6).
3. The urban road green belt sponge installation according to claim 1, characterized in that: the purified water storage layer (1) is a glass light stone layer with grain size grading.
4. The urban road green belt sponge installation according to claim 1, characterized in that: a waterproof geotechnical cloth is arranged between the purification aquifer (1) and the plain soil ramming layer (4).
5. The urban road green belt sponge installation according to claim 1, characterized in that: and water permeable geotextile is arranged between the purified water storage layer (1) and the planting soil layer (3).
6. The urban road green belt sponge installation according to claim 1, characterized in that: the end part of the road and purification aquifer (1) is provided with a curb (7), and a water passing channel is arranged on the curb (7).
7. The urban road green belt sponge installation according to claim 1, characterized in that: and water seepage channels (12) are arranged at the two ends of the purification water storage layer (1).
8. The urban road green belt sponge installation according to claim 1, characterized in that: a water taking pump (9) is arranged in the water purifying well (8), and water is taken for road flushing or green planting irrigation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322848434.4U CN221276769U (en) | 2023-10-23 | 2023-10-23 | Sponge facility for urban road green belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322848434.4U CN221276769U (en) | 2023-10-23 | 2023-10-23 | Sponge facility for urban road green belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221276769U true CN221276769U (en) | 2024-07-05 |
Family
ID=91705593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322848434.4U Active CN221276769U (en) | 2023-10-23 | 2023-10-23 | Sponge facility for urban road green belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221276769U (en) |
-
2023
- 2023-10-23 CN CN202322848434.4U patent/CN221276769U/en active Active
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