CN218323040U - Sponge drainage system who adapts to commercial block - Google Patents

Abstract

The utility model discloses a sponge drainage system of adaptation commercial block, include: the water collecting seam is arranged between a first structural layer and a second structural layer, the first structural layer is a motor vehicle pavement structural layer, and the second structural layer is a pedestrian path or non-motor vehicle lane structural layer; the gutter body is positioned below the first structural layer or the second structural layer and is communicated with the water collecting seam, and a filtering layer is arranged at the bottom in the gutter body and is used for filtering rainwater entering the gutter body; the rainwater inspection well is positioned below the first structural layer or the second structural layer and communicated with a municipal rainwater pipe; and two ends of the collecting pipe are respectively communicated with the rainwater inspection well and the ditch body, and rainwater filtered by the filter layer can flow into the rainwater inspection well through the collecting pipe. The utility model discloses utilize comprehensively the underground space, can accomplish holding of rainwater under the prerequisite of the high-quality requirement of guarantee commercial block and arrange and the subduction of pollution.

Description

Sponge drainage system who adapts to commercial block

Technical Field

The utility model relates to a municipal drainage field, in particular to sponge drainage system who adapts to commercial block.

Background

The sponge city is an urban development mode which can fully play the functions of rainwater absorption, storage and seepage and slow release of ecological systems such as buildings, urban roads, greenbelts, urban water systems and the like by strengthening urban planning construction management, effectively control rainwater runoff and realize natural accumulation, natural seepage and natural purification. The current sponge city design is promoted in a large range on each floor and in various projects. There is a more specific type of design-the commercial neighborhood type. The commercial block has large pedestrian volume, high requirements on the landscape and high prevention level on the risk of water immersion. In the design of the commercial block road, in order to reduce the water immersion risk and improve the landscape effect, a linear drainage ditch is mostly adopted for collecting water, and a sidewalk or a non-motor vehicle lane is paved by non-permeable pavement (such as granite stone and the like). Meanwhile, as hard pavement space is reserved as far as possible, the green belt is basically not configured.

Aiming at the practical requirements of linear drainage and water collection, non-permeable pavement, no green belt and high requirements on hard pavement and landscape, common rainwater gardens, ecological tree pools, road tooth openings, concave greenbelts, reservoirs and the like are not suitable, and a new sponge design solution is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an adaptation commercial block's sponge drainage system can be applicable to commercial block and do not have the greenbelt and permeate water the town road of mating formation.

According to the utility model discloses sponge drainage system of adaptation commercial block, include: the water collecting seam is arranged between a first structural layer and a second structural layer, the first structural layer is a motor vehicle pavement structural layer, and the second structural layer is a pavement structural layer or a non-motor vehicle lane structural layer; the ditch body is positioned below the first structural layer or the second structural layer and is communicated with the water collecting seam, and a filtering layer is arranged at the bottom in the ditch body and is used for filtering rainwater entering the ditch body; the rainwater inspection well is positioned below the first structural layer or the second structural layer and communicated with a municipal rainwater pipe; and two ends of the collecting pipe are respectively communicated with the rainwater inspection well and the ditch body, and rainwater filtered by the filter layer can flow into the rainwater inspection well through the collecting pipe.

The method has the following beneficial effects: rainwater can flow into the ditch body from the water collecting seam between the first structural layer and the second structural layer, and the rainwater flows into the collecting pipe after being filtered by the filter layer in the ditch body, then flows into the rainwater inspection well through the collecting pipe and finally is discharged through the municipal rainwater pipe. The utility model provides a receipts water seam is long and thin form seam body structure, can not occupy too much area between first structural layer and the second structural layer, more is applicable to the municipal road that commercial block does not have the greenbelt and permeate water and mat formation, and in addition, the ditch body not only can temporary storage part rainwater, and the internal filter layer of ditch can play the filter effect to the rainwater, prevents that drainage system from blockking up and polluting. The utility model discloses utilize comprehensively the underground space, can accomplish holding of rainwater under the prerequisite of the high-quality requirement of guarantee commercial block and arrange and the subduction of pollution.

According to the utility model discloses a some embodiments still include the overflow pipe, the overflow pipe intercommunication the rainwater inspection shaft with the ditch body, the overflow pipe level set up and with the top of the ditch body is linked together.

According to some embodiments of the invention, the filter layer is comprised of crushed stone.

According to some embodiments of the invention, the filter layer thickness is greater than or equal to 30 centimeters.

According to some embodiments of the utility model, the ditch body is enclosed by the polylith backup pad and closes and form, the top surface of filter layer with leave the water storage space between the backup pad in vertical direction.

According to the utility model discloses a some embodiments, the water storage space height more than or equal to 10 centimetres.

According to some embodiments of the utility model, still include prevention of seepage geomembrane, prevention of seepage geomembrane lay in the lower extreme of the ditch body and bearing in the ditch body the filter layer.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic top view of an embodiment of the present invention;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken along the line A-A in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along the direction B-B in FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along the direction C-C in FIG. 1;

fig. 5 is a schematic cross-sectional view taken along the direction D-D in fig. 1.

Reference numerals:

a first structural layer 100;

second structural layer 200, border strip 210;

a water collecting seam 300;

a gutter body 400, a support plate 410, a filter layer 420, and a water storage space 430;

a rainwater manhole 500;

a municipal storm drain 600;

a collection tube 700;

an overflow pipe 800;

the impermeable geomembrane 900.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, the utility model discloses a sponge drainage system who adapts to commercial block, including receiving water seam 300, ditch body 400, rainwater inspection shaft 500 and collecting pipe 700.

The water collecting seam 300 is arranged between the first structural layer 100 and the second structural layer 200, the first structural layer 100 is a motor vehicle pavement structural layer and comprises a motor vehicle pavement structural surface layer and a motor vehicle pavement structural base layer, the second structural layer 200 is a sidewalk or non-motor vehicle lane structural layer and also comprises a sidewalk or non-motor vehicle lane structural surface layer and a base layer, the trench body 400 is positioned below the first structural layer 100 or the second structural layer 200 and is communicated with the water collecting seam 300, the bottom in the trench body 400 is provided with a filter layer 420, the filter layer 420 is used for filtering rainwater entering the trench body 400, the rainwater inspection well 500 is positioned below the first structural layer 100 or the second structural layer 200, the rainwater inspection well 500 is communicated with a municipal rainwater pipe 600, two ends of the collecting pipe 700 are respectively communicated with the rainwater inspection well 500 and the trench body 400, and rainwater filtered by the filter layer 420 can flow into the rainwater inspection well 500 through the collecting pipe 700.

It is understood that rainwater can flow into the trench body 400 from the water collecting seam 300 between the first structural layer 100 and the second structural layer 200, and the rainwater is filtered by the filter layer 420 in the trench body 400 and then flows into the collecting pipe 700, then is collected into the rainwater manhole 500 through the collecting pipe 700 and finally is discharged through the municipal rainwater pipe 600. The utility model provides a receipts water seam 300 is the seam body structure of long and thin form, can not occupy too much area between first structural layer 100 and the second structural layer 200, more is applicable to the municipal road that commercial block does not have the greenbelt and permeate water and mat formation, and in addition, ditch body 400 not only can the temporary storage part rainwater, and filter layer 420 in the ditch body 400 can play the filter effect to the rainwater, prevents that drainage system from blockking up and polluting. The utility model discloses utilize comprehensively the underground space, can accomplish holding of rainwater under the prerequisite of the high-quality requirement of guarantee commercial block and arrange and the subduction of pollution.

It should be noted that H1 shown in fig. 2 is the sum of the thicknesses of the face layer and the base layer of the motor vehicle pavement structure layer, and in order to reduce the influence of the drainage system on the motor vehicle pavement structure layer, the vertical distance between the top surface of the outer surface of the trench body 400 and the top surface of the motor vehicle pavement structure layer should be set to a value equal to or greater than H1.

In addition, the clear width of the ditch body 400, the width of the filter layer 420, the width of the water collecting gap 300, the length of the filter layer 420, the spacing length of the filter layer 420 and the like need to be comprehensively determined by combining the road catchment area and the pollutant removal rate of the sponge facility. The second structural layer 200 is further provided with a border strip 210 at an end thereof adjacent to the first structural layer 100.

As shown in fig. 1, 2, 4 and 5, the embodiment of the present invention further includes an overflow pipe 800, the overflow pipe 800 communicates with the rainwater manhole 500 and the trench body 400, and the overflow pipe 800 is horizontally disposed and is communicated with the top of the trench body 400. The overflow pipe 800 can effectively prevent the problem of unsmooth drainage caused by insufficient volume of the gutter body 400 or slow filtering rate of the filter layer 420 when the rainwater is too large. In addition, the pipe diameters of the collecting pipe 700 and the overflow pipe 800 are determined according to the water collection range and the rainwater fortification standard.

It is understood that the filter layer 420 in embodiments of the present invention may be comprised of crushed stone. The crushed stones refer to small broken rocks, the sizes, the shapes and the textures of the crushed stones are irregular, and the crushed stones are generated due to natural reasons or artificial damage. The rainwater that passes the rubble layer can be filtered rubbish and large granule impurity, prevents that follow-up rainwater from blockking up municipal rainwater pipe 600.

Furthermore, the embodiment of the utility model provides an in the filter layer thickness can set up to more than or equal to 30 centimetres in order to guarantee the filter effect.

Referring to fig. 2, the gutter 400 according to the embodiment of the present invention is formed by surrounding a plurality of support plates 410, and a water storage space 430 is left between the top surface of the filter layer 420 and the support plates 410 in the vertical direction. The water storage space 430 may provide a space for rainwater to be filtered, increase a contact area of the rainwater with the filter layer 420, and may increase filtering efficiency of the filter layer 420. Specifically, referring to fig. 2, the height of the water storage space 430 in the embodiment of the present invention may be set to be greater than or equal to 10 cm, and the total height of the inner space of the gutter body 400 may be set to be greater than or equal to 40 cm.

As shown in fig. 2 and 5, the embodiment of the present invention further includes an impermeable geomembrane 900, wherein the impermeable geomembrane 900 is laid on the lower end of the trench body 400 and supports the filter layer 420 inside the trench body 400. The impermeable geomembrane 900 prevents filtered water from directly leaking out of the lower portion of the trench body 400.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (7)

1. A sponge drainage system adapted for commercial neighborhoods, comprising:

the water collecting seam is arranged between a first structural layer and a second structural layer, the first structural layer is a motor vehicle pavement structural layer, and the second structural layer is a pavement structural layer or a non-motor vehicle lane structural layer;

the ditch body is positioned below the first structural layer or the second structural layer and is communicated with the water collecting seam, and a filtering layer is arranged at the bottom in the ditch body and is used for filtering rainwater entering the ditch body;

the rainwater inspection well is positioned below the first structural layer or the second structural layer and communicated with a municipal rainwater pipe;

and two ends of the collecting pipe are respectively communicated with the rainwater inspection well and the ditch body, and rainwater filtered by the filter layer can flow into the rainwater inspection well through the collecting pipe.

2. The sponge drainage system for commercial neighborhoods of claim 1, further comprising an overflow pipe, wherein the overflow pipe is communicated with the rainwater manhole and the trench body, and the overflow pipe is horizontally arranged and communicated with the top of the trench body.

3. A commercial neighborhood adapted sponge drainage system as claimed in claim 1, wherein said filter layer is comprised of crushed stone.

4. A commercial neighborhood adapted sponge drainage system as claimed in claim 3, wherein said filter layer has a thickness of 30 cm or more.

5. The sponge drainage system for commercial blocks as claimed in claim 1, wherein the gutter body is formed by a plurality of support plates, and a water storage space is left between the top surface of the filter layer and the support plates in the vertical direction.

6. A commercial neighborhood adapted sponge drainage system as claimed in claim 5, wherein said water storage space is greater than or equal to 10 cm in height.

7. A commercial street adapted sponge drainage system as claimed in any one of claims 1 to 6 further comprising an impermeable geomembrane laid over the lower end of the trench body and supporting the filtration layer within the trench body.

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