Sponge urban road biological purification retention belt
By installing buffer interception layers and purification layers on urban roads, the problems of urban waterlogging and water pollution in extreme rainfall events in traditional drainage systems are solved, and ecological interception and purification of rainwater is achieved, reducing water quality deterioration and pollutant emissions.
Patent Information
- Application Number
- CN202422432099.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-10-09
AI Technical Summary
Traditional urban road drainage systems are prone to urban waterlogging in extreme rainfall events, and untreated rainwater brings pollutants to pollute the receiving water body, which is costly to high construction and maintenance.
The sponge urban road biopurification retention zone is adopted, including a buffer intercept layer and a purification layer. The buffer intercept layer is composed of anti-seepage membrane, anti-seepage water layer, vegetation cladding layer, groove, buffer zone and bark cover layer. The purification layer is composed of a coarse sand filter layer, a fine sand filter layer, a gravel drainage layer, a permeable coating layer and a perforated drainage pipe, which is used to intercept and purify impurities and pollutants in rainwater.
Effectively intercept impurities in rainwater, and reduce water quality deterioration through the ecological hydrophobicity of the vegetation cladding and the treated bark cladding to reduce the concentration of pollutants before entering the drainage system.
Smart Images
Figure CN223134899U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of retention zones, in particular to a biological purification retention zone for sponge city roads. Background Art
[0002] With the continuous acceleration of the urbanization process, cities are facing a series of water resource and ecological environment problems. Against this background, the biological purification retention zone for sponge city roads has emerged as the times require.
[0003] The existing retention zones for urban roads have the following disadvantages:
[0004] 1. Traditional urban road drainage uses hard paving, and rainwater runoff quickly converges and is discharged, which is likely to cause urban waterlogging. Moreover, the construction and maintenance costs of traditional drainage systems are high, and it is difficult to adapt to extreme rainfall events. Long-term accumulation is likely to deteriorate and affect the surrounding environment.
[0005] 2. When traditional urban roads experience rainy weather, a large amount of rainwater enters the drainage system directly without treatment, taking away a large amount of pollutants and being likely to pollute the receiving water body. Content of the Utility Model
[0006] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose a biological purification retention zone for sponge city roads.
[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0008] A biological purification retention zone for sponge city roads, including a road surface, on which a buffer interception layer and a purification layer are installed;
[0009] The buffer interception layer includes an anti-seepage membrane, an anti-seepage water layer, a vegetation coating layer, grooves, a buffer zone and a bark covering layer. One side outer wall of the anti-seepage membrane is coated on one side outer wall of the anti-seepage water layer, the other side of the anti-seepage water layer is connected to the side edges of the buffer zone and the bark covering layer, the vegetation coating layer is fixedly connected to the top surfaces of a plurality of grooves, and a plurality of the grooves are fixedly inserted into the interior of the buffer zone, and the top surface of the bark covering layer is fixedly connected to the bottom surface of the buffer zone.
[0010] Through the above scheme, by installing the buffer interception layer, the installation and setting of the anti-seepage membrane, the anti-seepage water layer, the vegetation coating layer, the grooves, the buffer zone and the bark covering layer can intercept some impurities when rainwater enters the soil. The setting of the vegetation coating layer can provide an ecological hydrophobic method for it, and the bark covering layer can effectively improve its microbial degradation degree to a certain extent after treatment, reducing the phenomenon of water quality deterioration.
[0011] Preferably, the purification layer includes a coarse sand filtration layer, a fine sand filtration layer, a gravel drainage layer, a permeable coating layer, and a perforated drain pipe. The coarse sand filtration layer is laid on the surface of the fine sand filtration layer. The bottom of the fine sand filtration layer is fixedly connected to the outer wall of one side of the gravel drainage layer. The perforated drain pipe penetrates through the inside of the permeable coating layer, and the permeable coating layer is connected to the inner end of the gravel drainage layer.
[0012] Through the above solution, by installing the purification layer, the arrangement and laying of the coarse sand filtration layer, the fine sand filtration layer, the gravel drainage layer, the permeable coating layer, and the perforated drain pipe can purify the infiltrated rainwater, so as to filter out certain pollutants before it enters the drainage system.
[0013] Preferably, a support layer is fixedly connected to the bottom of the road surface, and a isolation belt is connected to the outer wall of one side of the road surface.
[0014] Preferably, both sides of the vegetation coating layer are fixedly connected to the surface of one side of the two isolation belts.
[0015] Preferably, the other sides of the two anti-seepage membranes are fixedly connected to the outer wall of one side of the support layer, and the inside of the vegetation coating layer is filled with soil.
[0016] Preferably, a support bottom layer is installed at the bottom of the gravel drainage layer, and both sides of the support bottom layer are inserted into the outer wall of the bottom of the two support layers.
[0017] The beneficial effects of the present utility model are as follows:
[0018] 1. By installing the buffer interception layer, the installation of the anti-seepage membrane, the anti-seepage layer, the vegetation coating layer, the groove, the buffer zone, and the bark covering layer can intercept some impurities when rainwater enters the soil. The setting of the vegetation coating layer can provide an ecological way of hydrophobicity. After treatment, the bark covering layer can effectively improve its microbial degradation degree to a certain extent and reduce the phenomenon of water quality deterioration;
[0019] 2. By installing the purification layer, the arrangement and laying of the coarse sand filtration layer, the fine sand filtration layer, the gravel drainage layer, the permeable coating layer, and the perforated drain pipe can purify the infiltrated rainwater, so as to filter out certain pollutants before it enters the drainage system. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic structural diagram of a biological purification and retention zone for a sponge city road proposed by the present utility model;
[0021] Figure 2 It is a side view of the structure of a biological purification and retention zone for a sponge city road proposed by the present utility model;
[0022] Figure 3 The structural schematic diagram of a buffer interception layer of a biological purification and retention zone for a sponge city road proposed by the present utility model.
[0023] In the figure: 1, road surface; 2, isolation belt; 3, support layer; 4, anti-seepage membrane; 5, anti-seepage water layer; 6, vegetation coating layer; 7, groove; 8, buffer zone; 9, bark covering layer; 10, coarse sand filtration layer; 11, fine sand filtration layer; 12, gravel drainage layer; 13, permeable coating layer; 14, perforated drain pipe; 15, bottom support layer. Specific implementation manner
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0025] Embodiment 1, referring to Figures 1-3 , a biological purification and retention zone for a sponge city road, including a road surface 1, on which a buffer interception layer and a purification layer are installed;
[0026] The buffer interception layer includes an anti-seepage membrane 4, an anti-seepage water layer 5, a vegetation coating layer 6, a groove 7, a buffer zone 8 and a bark covering layer 9. One outer wall of the anti-seepage membrane 4 is coated on one outer wall of the anti-seepage water layer 5. The other side of the anti-seepage water layer 5 is connected to the side edges of the buffer zone 8 and the bark covering layer 9. The vegetation coating layer 6 is fixedly connected to the top surfaces of a plurality of grooves 7. The plurality of grooves 7 are fixedly inserted into the interior of the buffer zone 8. The top surface of the bark covering layer 9 is fixedly connected to the bottom surface of the buffer zone 8. By installing the buffer interception layer, the anti-seepage membrane 4, the anti-seepage water layer 5, the vegetation coating layer 6, the groove 7, the buffer zone 8 and the bark covering layer 9, part of the impurities can be intercepted when rainwater enters the soil. The setting of the vegetation coating layer 6 can provide an ecological way of hydrophobicity. The bark covering layer can effectively improve its microbial degradation degree to a certain extent after treatment, reducing the phenomenon of water quality deterioration.
[0027] Embodiment 2, referring to Figure 2 and Figure 3 , the purification layer includes a coarse sand filtration layer 10, a fine sand filtration layer 11, a gravel drainage layer 12, a permeable coating layer 13 and a perforated drain pipe 14. The coarse sand filtration layer 10 is laid on the surface of the fine sand filtration layer 11. The bottom of the fine sand filtration layer 11 is fixedly connected to one outer wall of the gravel drainage layer 12. The perforated drain pipe 14 is inserted into the interior of the permeable coating layer 13. The permeable coating layer 13 is connected to one inner end of the gravel drainage layer 12. By installing the purification layer, the setting and laying of the coarse sand filtration layer 10, the fine sand filtration layer 11, the gravel drainage layer 12, the permeable coating layer 13 and the perforated drain pipe 14 can purify the infiltrated rainwater, so as to filter out certain pollutants before it enters the drainage system.
[0028] Example 3. Refer to Figure 1 and Figure 2 A support layer 3 is fixedly connected to the bottom of the road surface 1. An isolation belt 2 is connected to the outer wall on one side of the road surface 1. Both sides of the vegetation coating layer 6 are fixedly connected to the surface on one side of the two isolation belts 2. The other sides of the two anti-seepage membranes 4 are fixedly connected to the outer wall on one side of the support layer 3. The inside of the vegetation coating layer 6 is filled with soil. A support bottom layer 15 is installed at the bottom of the gravel drainage layer 12. Both sides of the support bottom layer 15 are inserted into the outer wall at the bottom of the two support layers 3.
[0029] Working principle: Through the installation of the anti-seepage membrane 4, the anti-seepage layer 5, the vegetation coating layer 6, the groove 7, the buffer zone 8 and the bark covering layer 9, some impurities can be intercepted when rainwater enters the soil. The setting of the vegetation coating layer 6 can provide an ecological way of hydrophobicity. After treatment, the bark covering layer can effectively improve its degree of microbial degradation to a certain extent and reduce the phenomenon of water quality deterioration; Through the setting and laying of the coarse sand filter layer 10, the fine sand filter layer 11, the gravel drainage layer 12, the permeable coating layer 13 and the perforated drain pipe 14, the infiltrated rainwater can be purified, so that pollutants can be filtered to a certain extent before it enters the drainage system.
[0030] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.
Claims
1. A biological purification and retention zone for a sponge city road, comprising a road surface (1), characterized in that, A buffer interception layer and a purification layer are installed on the road surface (1). The buffer interception layer includes an anti-seepage membrane (4), an anti-seepage water layer (5), a vegetation coating layer (6), grooves (7), a buffer zone (8) and a bark covering layer (9). One outer wall side of the anti-seepage membrane (4) is coated on one outer wall side of the anti-seepage water layer (5). The other side of the anti-seepage water layer (5) is connected to the side of the buffer zone (8) and the bark covering layer (9). The vegetation coating layer (6) is fixedly connected to the top surfaces of a plurality of grooves (7). A plurality of the grooves (7) are fixedly inserted into the inside of the buffer zone (8). The top surface of the bark covering layer (9) is fixedly connected to the bottom surface of the buffer zone (8).
2. The biological purification and retention zone for a sponge city road according to claim 1, wherein The purification layer includes a coarse sand filtration layer (10), a fine sand filtration layer (11), a gravel drainage layer (12), a permeation coating layer (13) and a perforated drain pipe (14). The coarse sand filtration layer (10) is laid on the surface of the fine sand filtration layer (11). The bottom of the fine sand filtration layer (11) is fixedly connected to one outer wall side of the gravel drainage layer (12). The perforated drain pipe (14) penetrates through the inside of the permeation coating layer (13). The permeation coating layer (13) is connected to one inner end of the gravel drainage layer (12).
3. The biological purification and retention zone for a sponge city road according to claim 1, wherein A support layer (3) is fixedly connected to the bottom of the road surface (1). An isolation belt (2) is connected to one outer wall side of the road surface (1).
4. The biological purification and retention zone for a sponge city road according to claim 3, wherein, Both sides of the vegetation coating layer (6) are fixedly connected to one surface side of the two isolation belts (2).
5. A biological purification and retention zone for a sponge city road according to claim 3, characterized in that, The other sides of the two anti-seepage membranes (4) are fixedly connected to one outer wall side of the support layer (3). The inside of the vegetation coating layer (6) is filled with soil.
6. The biological purification and retention zone for a sponge city road according to claim 2, wherein A support bottom layer (15) is installed at the bottom of the gravel drainage layer (12). Both sides of the support bottom layer (15) are inserted into the bottom outer walls of the two support layers (3).