CN212247731U - A water storage structure for sponge urban road - Google Patents

Abstract

The utility model relates to a water storage structure for sponge urban road relates to the technical field of sponge urban construction, including the kerbstone that sets up in the road edge, the kerbstone sets up along the length direction of road, the kerbstone has two rows and two rows of kerbstones parallel arrangement, is provided with the vegetable layer between two rows of the kerbstone, the vegetable layer below is provided with the soil horizon, the soil horizon below is provided with the geotechnological cloth layer that permeates water, it sets up the cistern to permeate water geotechnological cloth layer below, it is fixed in the cistern top to permeate water geotechnological cloth layer, a plurality of infiltration holes have been seted up on the cistern top; the water storage structure for the sponge urban road further comprises a water pump, and a water pipe is connected to the water pump; the water inlet end of the water pipe is communicated with the inside of the reservoir, the water outlet end of the water pipe is provided with a spray head, and the water outlet of the spray head faces the vegetation layer. It has the advantage that can effectively utilize the rainwater.

Description

A water storage structure for sponge city roads

technical field

The utility model relates to the technical field of sponge city construction, in particular to a water storage structure for sponge city roads.

Background technique

Sponge city refers to a city that, like a sponge, has good "elasticity" in adapting to environmental changes and responding to natural disasters. It absorbs, stores, seeps, and purifies water when it rains, and releases the stored water when needed. use. The green belt is an important link in the construction of a sponge city. The green belt is generally set on both sides of the road. Curbs are fixed on the edge of the road. The curb is set with a planting layer, and green plants are planted on the planting layer. The planting layer and greening Plants absorb and purify rainwater when it rains, and the rainwater infiltrating through the planting layer supplements the groundwater.

The prior art refers to the Chinese utility model patent with the authorization announcement number CN206127800U, which discloses a sponge city water seepage road structure, which belongs to the field of road construction. A filter layer and a road bed are arranged. The graded filter layer is provided with a number of seepage pipes. One end of the seepage pipe runs through the road bed. The seepage pipe is inserted into the end wall of the road bed and has seepage through holes. The water collection pipe is provided with water collection holes, the water collection pipes are arranged in a staggered connection, and the top of the seepage pipe is connected with the water collection pipe. The sponge city water seepage road structure has the advantages of improving the internal water seepage efficiency and reducing the water accumulation in the track bed.

The above-mentioned prior art has the following defects: the water seepage road junction in the sponge city discharges the rainwater to the ground through the seepage technology, and does not make good use of the rainwater.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a water storage structure for sponge city roads, which has the advantage of being able to effectively utilize rainwater.

The above-mentioned purpose of the present utility model is achieved through the following technical solutions:

A water storage structure for a sponge city road, comprising curb stones arranged on the edge of the road, the curb stones are arranged along the length direction of the road, the curb stones have two rows and the two rows of curb stones are arranged in parallel, and the two rows of curb stones are arranged in parallel. A vegetation layer is arranged between the curbs, a soil layer is arranged below the vegetation layer, a permeable geotextile layer is arranged below the soil layer, a reservoir is arranged below the permeable geotextile layer, and the permeable geotextile layer is arranged It is fixed on the top of the reservoir, and the top of the reservoir is provided with a number of seepage holes; the water storage structure for the sponge city road also includes a water pump, and the water pump is connected with a water pipe; the water inlet of the water pipe The end is communicated with the interior of the reservoir, and the water outlet end is provided with a spray head, and the water outlet of the spray head faces the vegetation layer.

By adopting the above technical solution, the vegetation layer can be a lawn, and the vegetation layer can purify the rainwater. The rainwater penetrates from the vegetation layer to the soil layer and the permeable geotextile layer in turn, and then flows into the reservoir from the seepage hole. The collected rainwater is pumped into the water pipe through the water pump, and the rainwater is sprayed out through the sprinkler, which can be used to irrigate the vegetation layer, which can effectively utilize the rainwater, especially in the dry season, which can save water sources.

In a preferred example of the present invention, it can be further configured as follows: the top of the reservoir is provided with a drainage ditch, and the drainage ditch is located on both sides of the vegetation layer and below the vegetation layer; a water seepage port is opened on the curb stone The vegetation layer is communicated with the drainage ditch through the seepage port; the drainage ditch is provided with a seepage hole, and the drainage channel communicates with the interior of the reservoir through the seepage hole.

By adopting the above technical solution, when there are many rainy seasons and the rainfall is large, the rainwater is easily accumulated in the vegetation layer, and the rainwater accumulated in the vegetation layer can be discharged into the drainage ditch from the seepage port, which can reduce the excessive accumulation of rainwater in the vegetation layer. When the situation occurs, rainwater is discharged into the reservoir through the seepage hole of the gutter.

In a preferred example of the present invention, it can be further configured that: the water seepage port is connected with a drain pipe, and the water outlet of the drain pipe faces the drainage ditch.

By adopting the above technical solution, the rainwater is drained into the drainage ditch through the drainage pipe, which can reduce the occurrence of rainwater splashing out of the drainage ditch.

In a preferred example of the present invention, it can be further configured as follows: the soil layer is provided with a soil block on the surface of the soil layer, the soil block is arranged on the surface of the soil layer, the soil block is arranged along the edge of the curb stone and is located in the At the water seepage port, the earth blocking block extends along the length direction of the curb.

By adopting the above technical solution, the soil block can be crushed stone. Under the scouring of rainwater, the soil in the soil layer can easily enter the drainage pipe, and the soil block can block the soil and reduce the soil entering the drainage pipe and reduce the amount of soil. A clogged drain occurs.

In a preferred example of the present invention, it can be further configured as follows: a filter screen is arranged in the drain pipe, and the filter screen is arranged at the water inlet of the drain pipe.

By adopting the above technical solution, the rainwater is filtered to reduce the impurity entering the drain pipe and the occurrence of the impurity blocking the drain pipe.

In a preferred example of the present invention, it can be further configured that: an overflow pipe is communicated with the reservoir.

By adopting the above technical solution, the overflow pipe can be communicated with other water circulation systems or water storage devices, which can reduce the occurrence of backflow of rainwater.

In a preferred example of the present invention, it can be further configured as follows: a filter screen layer is fixed in the reservoir.

By adopting the above technical solution, the rainwater can be filtered, so that the rainwater collected in the reservoir is cleaner.

In a preferred example of the present invention, it can be further configured as follows: the filter screen layer includes a first filter screen layer, a second filter screen layer and a third filter screen layer arranged in sequence from top to bottom, the first filter screen layer A sandstone layer is arranged between the mesh layer and the second filter mesh layer, and an adsorption layer is arranged between the second filter mesh layer and the third filter mesh layer.

By adopting the above technical solution, the rainwater can settle in the sandstone layer, thereby reducing the soil in the rainwater, and the adsorption layer can be an activated carbon layer, which can absorb the odor or pigment in the rainwater, making the rainwater collected in the reservoir cleaner. , which facilitates the effective use of rainwater.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. Rainwater is purified by the vegetation layer and collected into the reservoir, and then the rainwater in the reservoir can be used to water the vegetation layer through the water pump, which can effectively utilize the rainwater;

2. When the rainy season is high or the rainfall is large, the rainwater in the vegetation layer can be discharged into the drainage ditch through the drainage pipe, which can reduce the occurrence of the rainwater submerging the vegetation layer, and the rainwater is drained through the seepage holes on the drainage ditch. into the cistern;

3. The filter layer set in the reservoir filters the rainwater, the rainwater settles in the sand and gravel layer, and the adsorption layer absorbs the odor, pigment, etc. in the rainwater, making the rainwater collected in the reservoir cleaner, which is convenient for follow-up Effective use of rainwater.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the partial structure schematic diagram showing the arrangement of the drainage pipe;

FIG. 3 is an enlarged view of part A in FIG. 1 .

Reference numerals: 1. Curbstone; 11. Drainage pipe; 111. Filter screen; 2. Vegetation layer; 21. Earth retaining block; 3. Soil layer; 4. Permeable geotextile layer; 5. Reservoir; Drainage ditch; 511, seepage hole; 52, filter screen layer; 521, first filter screen layer; 522, second filter screen layer; 523, third filter screen layer; 53, overflow pipe; 6, water pump; 61, Water pipe; 611. Nozzle; 7. Sand and gravel layer; 8. Adsorption layer.

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings.

Embodiment: Referring to FIG. 1, it is a water storage structure for sponge city roads disclosed by the utility model, including curb stones 1 arranged on the edge of the road, the curb stones 1 are arranged along the length direction of the road, and the curb stones 1 have two rows. And the two rows of curb stones 1 are arranged in parallel, and there is a certain distance between the two rows of curb stones 1 . A vegetation layer 2 is arranged between the two rows of curbs 1, a reservoir 5 is arranged below the vegetation layer 2, and a water pipe 61 is connected to the water pump 6; The spray head 611, the water outlet of the spray head 611 faces the vegetation layer 2.

The vegetation layer 2 can be a lawn, and the vegetation layer 2 can purify the rainwater. The rainwater infiltrates into the reservoir 5 from the vegetation layer 2. The rainwater in the reservoir 5 is sucked by the water pump 6 and can be used to water the vegetation. Layer 2 can effectively utilize rainwater.

1, the reservoir 5 can be arranged in the foundation soil of the road, the top wall of the reservoir 5 is provided with a number of through holes, the top surface of the reservoir 5 is fixed with a permeable geotextile layer 4, and the permeable geotextile layer 4 A soil layer 3 is laid thereon, and vegetation is planted in the soil layer 3 to form a vegetation layer 2 .

Referring to FIG. 1 , the curb stone 1 can be fixed on the edge of the road, and the vegetation layer 2 , the soil layer 3 and the permeable geotextile layer 4 are all arranged between the two rows of curb stones 1 . The top of the reservoir 5 is recessed downward to form drainage ditches 51 , and there are two drainage ditches 51 . The side of the drainage ditch 51 close to the curb stone 1 is provided with seepage holes 511 . The seepage holes 511 are distributed along the length of the drainage ditch 51 .

1 and 2, a number of water seepage openings are provided on the side wall of the curb stone 1, the water seepage openings are arranged along the length direction of the curb stone 1, the water seepage openings are located above the soil layer 3, and the water seepage openings are connected with a drain pipe 11; The water inlet communicates with the interior of the vegetation layer 2 , and the water outlet extends vertically downward into the drainage ditch 51 .

1 and 3 , a filter screen 111 is fixed inside the drain pipe 11 , and the filter screen 111 is located at the water inlet of the drain pipe 11 . Rainwater flows into the drainage ditch 51 through the drainage pipe 11 , which can reduce the occurrence of rainwater splashing out of the drainage ditch 51 ;

Referring to FIG. 1 , an earth blocking block 21 is provided at the water seepage opening. The earth blocking block 21 may be a crushed stone block. The earth blocking block 21 is laid on the surface of the soil layer 3 along the edge of the curb stone 1 . The earth block 21 extends along the length direction of the curb 1 . Under the erosion of rainwater, the soil in the soil layer 3 can easily enter the drainage pipe 11 , and the soil block 21 can block the soil, thereby reducing soil entry into the drainage pipe 11 and reducing the occurrence of soil clogging the drainage pipe 11 .

Referring to FIGS. 1 and 2 , the water pump 6 can be arranged on the road, and the water inlet end of the water pipe 61 is communicated with the bottom of the reservoir 5 . A filter screen layer 52 is fixed in the reservoir 5. The filter screen layer 52 includes a first filter screen layer 521, a second filter screen layer 522 and a third filter screen layer 523 arranged in order from top to bottom. The first filter screen layer A sandstone layer 7 is laid between 521 and the second filter screen layer 522 , and an adsorption layer 8 is laid between the second filter screen layer 522 and the third filter screen layer 523 .

Rainwater can settle in the sandstone layer 7, which can reduce the sediment in the rainwater; the filter layer 52 can filter the rainwater and reduce impurities in the rainwater; the adsorption layer 8 can be an activated carbon layer, and the adsorption layer 8 can absorb rainwater odors or pigments in it. Rainwater is filtered, settled and adsorbed, making the collected rainwater cleaner.

1, an overflow pipe 53 is communicated with the side wall of the reservoir 5, and the overflow pipe 53 is close to the top of the reservoir 5. The overflow pipe 53 can be communicated with other water circulation systems or water storage devices, and can store the The rainwater in the pool 5 is discharged, which can reduce the occurrence of backflow of the rainwater.

The working principle of the water storage structure for sponge city roads is as follows:

Rainwater infiltrates from the vegetation layer 2 into the soil layer 3 and the permeable geotextile layer 4 in turn, and then flows into the reservoir 5 from the seepage hole. The rainwater can be used to irrigate the vegetation layer 2 through the spraying of the nozzles 611, and the rainwater can be effectively utilized. When there are many rainy seasons and the rainfall is large, the rainwater can be discharged into the drainage ditch 51 from the water seepage port, and then discharged into the reservoir 5 from the drainage ditch 51 .

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, therefore: all equivalent changes made according to the structure, shape and principle of the present invention are It should be covered within the protection scope of the present invention.

Claims (8)

1. A water storage structure for a sponge city road, comprising a curb stone (1) arranged on the edge of the road, the curb stone (1) being arranged along the length of the road, and the curb stone (1) having two rows And two rows of curb stones (1) are arranged in parallel, a vegetation layer (2) is arranged between the two rows of the curb stones (1), and a soil layer (3) is arranged below the vegetation layer (2), and is characterized in that: A permeable geotextile layer (4) is arranged below the soil layer (3), a reservoir (5) is arranged below the permeable geotextile layer (4), and the permeable geotextile layer (4) is fixed to the reservoir (5) The top, the top of the reservoir (5) is provided with a number of seepage holes; the water storage structure for sponge city roads further includes a water pump (6), and a water pipe is connected to the water pump (6). (61); the water inlet end of the water pipe (61) is communicated with the interior of the reservoir (5), the water outlet end is provided with a spray head (611), and the water outlet of the spray head (611) faces the vegetation layer (2). 2. A water storage structure for sponge city roads according to claim 1, characterized in that: the top of the reservoir (5) is provided with a drainage ditch (51), and the drainage ditch (51) is located in the Both sides of the vegetation layer (2) are located below the vegetation layer (2); a water seepage port is opened on the curb stone (1), and the vegetation layer (2) is communicated with the drainage ditch (51) through the water seepage port; the The drainage ditch (51) is provided with a seepage hole (511), and the drainage ditch (51) communicates with the interior of the reservoir (5) through the seepage hole (511). 3. A water storage structure for a sponge city road according to claim 2, characterized in that: a drainage pipe (11) is connected to the water seepage port, and the water outlet of the drainage pipe (11) faces the drainage ditch (51). 4. A water storage structure for a sponge city road according to claim 3, characterized in that: a soil block (21) is provided on the surface of the soil layer (3), and the soil block (21) ) is arranged along the edge of the curb stone (1) and is located at the water seepage opening, and the earth retaining block (21) extends along the length direction of the curb stone (1). 5. A water storage structure for a sponge city road according to claim 4, characterized in that: a filter screen (111) is arranged in the drainage pipe (11), and the filter screen (111) is arranged on the At the water inlet of the drain pipe (11). 6 . The water storage structure for sponge city roads according to claim 1 , wherein an overflow pipe ( 53 ) is communicated with the reservoir ( 5 ). 7 . 7. A water storage structure for a sponge city road according to claim 1, characterized in that: a filter screen layer (52) is fixed in the water reservoir (5). 8. A water storage structure for a sponge city road according to claim 7, characterized in that: the filter screen layer (52) comprises a first filter screen layer (521) arranged in sequence from top to bottom, The second filter screen layer (522) and the third filter screen layer (523) are provided with a sandstone layer (7) between the first filter screen layer (521) and the second filter screen layer (522). An adsorption layer (8) is arranged between the second filter screen layer (522) and the third filter screen layer (523).

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