CN215829179U - Sponge road rainwater collecting system - Google Patents

Abstract

The utility model provides a sponge road rainwater collecting system which comprises a permeable pavement and a reservoir, wherein the permeable pavement sequentially comprises a road base layer, a gravel layer, a permeable concrete layer and a freshly-made permeable surface layer from bottom to top, a drain pipe is laid in the gravel layer, and the drain pipe is communicated with the reservoir. The permeable pavement is paved on site, and sponge bricks are not used, so that the construction is more convenient and quicker. Set up the drain pipe simultaneously in permeable pavement, with drain pipe and cistern intercommunication, can collect the back and reuse the rainwater, permeable pavement from the bottom up includes road basic unit, metalling, the concrete layer that permeates water and the surface course that permeates water of system on-the-spot in proper order, realizes permeating water rapidly and strains water and prevent blockking up.

Description

Sponge road rainwater collecting system

Technical Field

The utility model relates to the technical field of environmental engineering, in particular to a sponge road rainwater collecting system.

Background

The existing sponge road system comprises a permeable pavement, a drainage ditch, a reservoir, a rainwater garden and the like, wherein the pavement of the permeable pavement comprises a plurality of sponge brick frames and a plurality of pedestrian pile foundations, wherein the sponge brick frames are provided with sponge bricks, and the pavement of the vehicle pavement comprises a plurality of sponge prefabricated bricks and a plurality of vehicle pile foundations. No matter it is pedestrian road or car road all need prefabricated sponge brick and pile on the ground, and the process of mating formation is comparatively complicated.

SUMMERY OF THE UTILITY MODEL

In view of the defect that the permeable pavement is of a sponge brick structure and is complicated to pave in the prior art, the utility model aims to provide a sponge road rainwater collecting system.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sponge road rainwater collecting system, includes permeable pavement and cistern, permeable pavement from the bottom up includes road base layer, metalling, the concrete layer that permeates water and the surface course that permeates water of system on-site in proper order, lays the drain pipe in the metalling, drain pipe and cistern intercommunication. And water permeating from the permeable pavement flows into the reservoir through the drain pipe to be collected.

The drain pipe comprises a plurality of branch drain pipes and at least one main drain pipe, the branch drain pipes are communicated with the main drain pipe, and the main drain pipe is communicated with the reservoir.

The upper side of the water distribution and drainage pipe is provided with a plurality of water permeable holes.

The pervious concrete layer is provided with a gap, and an elastic caulking material is embedded in the gap.

The reservoir is surrounded by an anti-seepage structure, a silica sand permeable brick layer is arranged at the top opening, a broken stone water storage layer is arranged on the inner side of the anti-seepage structure of the reservoir, and the drainage header pipe is communicated with the broken stone water storage layer.

And a well mouth is formed on the permeable silica sand layer at the top of the reservoir, and a silica sand well cover is arranged on the well mouth.

A water pump is arranged in the reservoir. The water pump can pump out the water in the reservoir for watering the vegetation.

The permeable pavement comprises a sidewalk and a roadway, a first drainage ditch and a second drainage ditch are sequentially arranged between the sidewalk and the roadway, a permeable curb is arranged between the first drainage ditch and the second drainage ditch, a drainage hole is formed in the permeable curb, a filter grid is arranged on the drainage hole, the drainage hole is communicated with a first water inlet in the side wall of the first drainage ditch, the lower edge of the first water inlet is lower than the lower edge of the drainage hole, a drainage pipe in the sidewalk is communicated with the first drainage ditch, the first drainage pipe is communicated with a reservoir through a first water guide pipe, and the first water guide pipe is arranged at the bottom of the first drainage ditch; and the water drainage pipe in the roadway is communicated with a second drainage ditch, and the second drainage ditch is communicated with the reservoir through a second water guide pipe.

The side wall and the bottom of the reservoir comprise two layers of structures, namely a geomembrane and an impermeable breathable silica sand brick layer from inside to outside in sequence.

The permeable pavement is paved on site, and sponge bricks are not used, so that the construction is more convenient and quicker.

Set up the drain pipe simultaneously in permeable pavement, with drain pipe and cistern intercommunication, can collect the back and reuse the rainwater, permeable pavement from the bottom up includes road basic unit, metalling, the concrete layer that permeates water and the surface course that permeates water of system on-the-spot in proper order, realizes permeating water rapidly and strains water and prevent blockking up.

Drawings

FIG. 1 is a schematic view of the structure of example 1

Fig. 2 is a schematic structural view of embodiment 2.

Detailed Description

The structure and features of the present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that various modifications can be made to the embodiments disclosed herein, and therefore, the embodiments disclosed in the specification should not be construed as limiting the present invention, but merely as exemplifications of embodiments thereof, which are intended to make the features of the present invention obvious.

Example 1

The utility model provides a sponge road rainwater collecting system, includes permeable pavement 1 and cistern 2, permeable pavement from the bottom up includes road basic unit 11, rubble layer 12, permeable concrete layer 13 and the surface course 14 that permeates water of system now in proper order, lays drain pipe 15 in the rubble layer 12, drain pipe 15 and cistern 2 intercommunication. And water permeating from the permeable pavement flows into the reservoir through the drain pipe to be collected. The first drainage pipe 15 comprises a plurality of branch drainage pipes and at least one main drainage pipe, the branch drainage pipes are communicated with the main drainage pipe, and the main drainage pipe is communicated with the reservoir. The upper side of the water distribution and drainage pipe is provided with a plurality of water permeable holes.

The pervious concrete layer 13 is provided with a gap, and an elastic caulking material is embedded in the gap. Since the pervious concrete has thermal expansion, gaps need to be arranged on the pervious concrete layer at certain intervals. The resilient caulking material embedded in the gap may be a shaped flexible glue, or a shaped plastic foam.

The reservoir 2 is surrounded by an anti-seepage structure, a silica sand permeable brick layer 21 is arranged at the top opening, a broken stone water storage layer 23 is arranged on the inner side of the anti-seepage structure of the reservoir, and the main drainage pipe is communicated with the broken stone water storage layer 23. When the reservoir is arranged on a green belt, a soil layer 22 is arranged on the silica sand permeable brick layer 21. In order to take water from the reservoir 2 conveniently, a well mouth 26 is arranged on the silica sand permeable brick layer at the top of the reservoir 2, and a silica sand well cover 27 is arranged on the well mouth 26. A water pump is arranged in the reservoir 2. The water pump can pump out the water in the reservoir for watering the vegetation. The side wall and the bottom of the reservoir 2 comprise two layers of structures, namely a geomembrane 24 and an impermeable breathable silica sand brick 25 from inside to outside in sequence. And the geomembrane 24 is laid after the impermeable breathable silica sand bricks 25 are laid according to construction requirements.

Example 2

The utility model provides a sponge road rainwater collecting system, including permeable pavement 100 and cistern 200, permeable pavement includes pavement 110 and roadway 120, set gradually first ditch 130 and second escape canal 140 between pavement 110 and the roadway 120, set up permeable curb 150 between first ditch 130 and the second escape canal 140, the wash port 151 has been seted up to permeable curb 150's lateral wall, be provided with filter screen 152 on the wash port 151, wash port 151 communicates with each other with first water inlet 131 that first ditch 130 lateral wall was seted up, the lower edge of first water inlet 131 is less than the lower edge of wash port 151.

The sidewalk 110 sequentially comprises a road base layer 111, a gravel layer 112, a permeable concrete layer 113 and a freshly-made permeable surface layer 114 from bottom to top, a second drainage pipe 115 is laid in the gravel layer 112, the second drainage pipe 115 is communicated with a first drainage ditch 130, and the first drainage ditch 130 is communicated with the reservoir 200 through a first water guide pipe 160. The roadway 120 sequentially comprises a road base layer 121, a gravel layer 122, a pervious concrete layer 123 and a prepared pervious surface layer 124 from top to bottom, wherein a drain pipe III 125 is laid in the gravel layer 122, the drain pipe III 125 is communicated with a second drainage ditch 140, and the second drainage ditch 140 is communicated with a water storage tank 200 through a second water guide pipe 170. The pervious concrete layer 113 is provided with a gap in which an elastic caulking material is embedded. Since the pervious concrete has thermal expansion, gaps need to be arranged on the pervious concrete layer at certain intervals. The resilient caulking material embedded in the gap may be a shaped flexible glue, or a shaped plastic foam.

The reservoir 200 is surrounded by an anti-seepage structure, a silica sand permeable brick layer 201 is arranged at the top opening, a broken stone water storage layer 203 is arranged on the inner side of the anti-seepage structure of the reservoir, and a drainage header pipe is communicated with the broken stone water storage layer 203. When the reservoir is arranged on a green belt, a soil layer 202 is arranged on the silica sand permeable brick layer 201. In order to facilitate taking water from the reservoir 200, a well mouth 206 is arranged on the silica sand permeable brick layer at the top of the reservoir 200, and a silica sand well cover 207 is arranged on the well mouth 206. A suction pump is provided in the water reservoir 200. The water pump can pump out the water in the reservoir for watering the vegetation. The side wall and the bottom of the reservoir 200 comprise a two-layer structure, namely a geomembrane 204 and a silica sand well brick 205 from inside to outside.

The openings of the first drainage ditch 130 and the second drainage ditch 140 are provided with water-permeable cover plates 180, the water-permeable cover plates of the first drainage ditch 130 are flush with the sidewalks 110, and the water-permeable cover plates 180 of the second drainage ditch 140 are flush with the roadway 120.

The water permeable surface layer of the water permeable pavement in the two embodiments can be the technology in the Chinese patent application 201811220683.6 or 201811220618.3, and the water permeable surface layer comprises aggregate and a binder for coating the aggregate. When the permeable pavement is constructed, firstly, plain soil is tamped, then a gravel layer is laid, a drain pipe is laid in the gravel layer, a permeable concrete layer is laid after leveling, then a prepared permeable surface layer is laid on the surface of the permeable concrete layer, and the permeable surface layer is rolled to be compact and flat. Rainwater permeates into the pervious concrete and the gravel layer on the lower layer through the pervious road surface, part of water is conserved in the pervious concrete and the gravel layer, the ambient humidity is increased through evaporation under the condition of no rain, particles in the air are reduced, and meanwhile, a certain cooling effect is achieved. When the rainfall is too large and exceeds the conservation quantity of the pervious concrete and the gravel layer, the rainfall flows into the reservoir through the drain pipe, the water flowing into the reservoir is filtered by the pervious surface layer, the pervious concrete and the gravel layer, a part of pollutants are removed, and the device can be used for irrigating vegetation and the like.

Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. The utility model provides a sponge road rainwater collecting system, includes permeable pavement and cistern, its characterized in that, permeable pavement from the bottom up includes road basic unit, rubble layer, permeable concrete layer and the surface course that permeates water of system now in proper order, lays the drain pipe in the rubble layer, drain pipe and cistern intercommunication, and the cistern is enclosed by seepage prevention structure, and open-top is equipped with silica sand brick layer that permeates water, and the seepage prevention structure inboard of cistern sets up the rubble reservoir bed, and the drain pipe communicates the rubble reservoir bed.

2. The sponge road rain water collection system of claim 1, wherein the drain comprises a plurality of sub-drains and at least one main drain, the sub-drains being in communication with the main drain, the main drain being in communication with the reservoir.

3. The sponge road rainwater collection system of claim 2 wherein said water distribution pipe is provided with a plurality of water permeable holes on the upper side.

4. The sponge road rain water collecting system of claim 1, wherein the pervious concrete layer is provided with gaps in which elastic caulking material is embedded.

5. The sponge road rainwater collection system of claim 1 wherein the silica sand permeable bed on top of the reservoir has a well head with a silica sand well cover.

6. The sponge roadway rain collecting system of claim 1, wherein a water suction pump is provided in the reservoir.

7. The sponge road rainwater collection system according to claim 1, wherein the permeable pavement comprises a sidewalk and a roadway, a first drainage ditch and a second drainage ditch are sequentially arranged between the sidewalk and the roadway, a permeable kerb is arranged between the first drainage ditch and the second drainage ditch, a drainage hole is formed in the permeable kerb, a filter grid is arranged on the drainage hole, the drainage hole is communicated with a first water inlet in the side wall of the first drainage ditch, the lower edge of the first water inlet is lower than that of the drainage hole, a drainage pipe in the sidewalk is communicated with the first drainage ditch, the first drainage pipe is communicated with a reservoir, and the first water guide pipe is arranged at the bottom of the first drainage ditch; and the water drainage pipe in the roadway is communicated with a second drainage ditch, and the second drainage ditch is communicated with the reservoir through a second water guide pipe.

8. The sponge road rain water collection system of claim 7, wherein the first drainage ditch and the second drainage ditch open are provided with water permeable cover plates, the water permeable cover plates of the first drainage ditch are flush with the sidewalk, and the water permeable cover plates of the second drainage ditch are flush with the roadway.

9. The sponge roadway rainwater collection system of claim 1 wherein the side walls and bottom of the reservoir comprise a two-layer structure, from inside to outside, of a geomembrane and a layer of impermeable breathable silica sand bricks.