CN212184495U - A storage and drainage structure - Google Patents

Abstract

A water storage and drainage structure comprises a planting soil layer, wherein the surface of the planting soil layer is sunken downwards to form a grass ditch for planting vegetation; the water storage layer is positioned below the planting soil layer; the upper end of the penetration pipe penetrates out of the planting soil layer to form an overflow port in the grass ditch, and the pipe wall of the penetration pipe in the water storage layer is provided with a plurality of small holes penetrating into the pipe; the water collecting tank is arranged below the water storage layer, the lower end of the permeation tube is connected to the water collecting tank, a water pump is arranged in the water collecting tank, and the water pump is connected with an irrigation tube which penetrates out of the planting soil layer upwards; the spray head is connected with the water outlet of the irrigation pipe and is positioned above the grass ditch; and the drain pipe is connected to the top of the water collecting tank or the side wall close to the top, and the water outlet side of the drain pipe is lower than the height of the water collecting tank. The utility model discloses can will collect the rainwater after the filtration, the rainwater of collection can irrigate the vegetation in the arid season to recycle the rainwater, water conservation water, green.

Description

A storage and drainage structure

technical field

The utility model relates to the field of sponge city design, in particular to a storage and drainage structure for ecological grass-planting ditch.

Background technique

At present, most grass-planting ditches are generally artificial ditches without special drainage systems, and only rely on natural infiltration to treat rainwater. However, when the surface runoff is concentrated in the grass ditch and is greater than the infiltration rate of the grass ditch, waterlogging is likely to occur. Therefore, although the grass ditch has a certain drainage capacity, the drainage capacity is limited.

In addition, the current grass planting ditch discharges the excess rainwater collected in the grass ditch to the outside, such as canals, rivers or ponds, that is, it is not used for secondary use. However, in the dry season, it has to be connected by sprinklers or tap water. The vegetation in the grass ditches is irrigated, resulting in a waste of water resources.

Utility model content

In order to solve the above problems existing in the prior art, the utility model provides a rainwater that can be collected and filtered. The collected rainwater can be irrigated to vegetation after random inspection by a water pump in dry seasons, and the rainwater can be reused to save water and use water. The storage and drainage structure of the green and environment-friendly ecological grass-planting ditch.

In order to achieve the above purpose, the utility model provides a storage and drainage structure, including:

Planting soil layer, the surface of which is depressed downward to form a grass trench for planting vegetation;

Aquifers, located below the planting soil layer;

The infiltration pipe is located in the planting soil layer and the aquifer. The upper end of the infiltration pipe penetrates the planting soil layer to form an overflow in the grass ditch. hole;

The water collecting tank is arranged below the aquifer, the lower end of the permeable pipe is connected to the water collecting tank, the water collecting tank is provided with a water pump, and the water pump is connected with an irrigation pipe which penetrates upwards out of the planting soil layer;

a sprinkler head attached to the water outlet of the irrigation pipe and located above the grass ditch; and

The drain pipe is connected to the top of the water collecting tank or the side wall near the top, and the water outlet side of the drain pipe is lower than the height of the water collecting tank.

As a further preferred technical solution of the present invention, the aquifer is gravel, pebbles, or a mixture of gravel and pebbles, and a water seepage gap is formed between the gravel or pebbles and the wall and small holes of the permeable pipe.

As a further preferred technical solution of the present invention, the permeation pipes are arranged vertically, and the number of permeation pipes is multiple, and the multiple permeation pipes are arranged at intervals along the length direction of the grass trench.

As a further preferred technical solution of the present invention, the storage and drainage structure further includes a water collection pipe connected to the water collecting tank, the lower ends of the plurality of infiltration pipes are respectively connected to the same water collection pipe, and the plurality of infiltration pipes are connected to the water collection tank through the water collection pipe. .

As a further preferred technical solution of the present invention, both sides of the grass ditch are hardened ground surfaces, and the hardened ground surface has an inclined slope, so that the runoff direction of the ground surface faces the grass ditch.

As a further preferred technical solution of the present invention, the hardened surface is a sidewalk, a driveway or a square, and the slope of the hardened surface is 3-5 degrees.

As a further preferred technical solution of the present invention, side stones are provided at the connection between the two sides of the grass ditch and the hardened ground surface, and water diversion holes or water diversion grooves are arranged on the side stones, and the runoff of the hardened ground surface flows along the water diversion holes or the water diversion grooves. The water ditches flow into the grass ditch.

As a further preferred technical solution of the present invention, the overflow port is higher than the ditch bottom of the grass ditch, and lower than the water diversion hole or water diversion groove.

As a further preferred technical solution of the present invention, the overflow port is also covered with a filter grate.

As a further preferred technical solution of the present invention, the depth of the ditch of the grass ditch is not less than 100mm, the thickness of the planting soil layer at the bottom of the ditch of the grass ditch is 100-300mm, and the thickness of the aquifer is 400-500mm .

The ecological grass planting ditch storage and drainage structure of the present utility model can achieve the following beneficial effects by adopting the above technical scheme:

1) Compared with the artificial ditch-type grass ditch, the ecological grass-planting ditch can provide a larger elastic space, and the permeability of the grass slope is more conducive to the rapid infiltration and diversion of rainwater, and the larger the grass slope area, the more efficient it is. clean water well;

2) The utility model can collect and filter the rainwater, and the collected rainwater can be irrigated on the vegetation after random inspection by the water pump in the dry season, so that the rainwater is reused, water saving and water consumption, and environmental protection;

3) The utility model not only meets the needs of drainage and water storage, but also has strong ornamental value.

Description of drawings

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural diagram of an example provided by the storage and drainage structure of the present invention.

In the picture: 1. Planting soil layer, 2. Water storage layer, 3. Base soil, 4. Infiltration pipe, 5. Water pump, 6. Water collection tank, 7. Drain pipe, 8. Side stone, 9. Water diversion hole, 10 , overflow, 11, sprinkler, 12, hardened surface.

The purpose realization, functional characteristics and advantages of the present utility model will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments. The terms such as "up", "down", "left", "right", "middle" and "one" quoted in the preferred embodiment are only for the convenience of description and are not used to limit the present invention. The practicable scope and the change or adjustment of the relative relationship thereof shall also be regarded as the practicable scope of the present invention without substantially changing the technical content.

As shown in Figure 1, a storage and drainage structure provided by the present utility model includes:

Planting soil layer 1, the surface of which is concave downward to form a grass ditch for planting vegetation. The grass ditch divides the ground surface and becomes a landscape surface ditch, such as between the square and the lane beside the square, the rainwater runoff on the square and the lane can be into the grass ditch;

The aquifer 2 is located below the planting soil layer 1, and is used to store the rainwater seeping in from the planting soil layer 1, to store water for the vegetation on the planting soil layer 1, and the bottom of the aquifer 2 is the base soil 3;

The osmotic pipe 4 is located in the planting soil layer 1 and the aquifer 2, the upper end of the osmotic pipe 4 penetrates the planting soil layer 1 to form an overflow 10 located in the grass ditch, and the osmotic pipe 4 is in the pipe wall in the aquifer 2 There are a number of small holes that penetrate into the pipe. When the water in the aquifer 2 is saturated, it can infiltrate into the infiltration pipe 4. In the rainstorm season, when the rainwater gathered in the grass ditch is greater than the infiltration speed of the grass ditch, the rainwater will penetrate the grass. When there is accumulated water in the ditch, when the height of the accumulated water reaches the overflow port 10, the accumulated water can quickly flow into the infiltration pipe 4 through the overflow port 10, thereby preventing the further accumulation of rainwater in the grass ditch, that is, the rainwater is effectively alleviated;

The water collecting tank 6 is arranged in the base soil 3 below the water storage layer 2, the lower end of the permeable pipe 4 is connected to the water collecting tank 6, the water collecting tank 6 is provided with a water pump 5, and the water pump 5 is connected with a pump 5 which penetrates upwards out of the planting soil layer 1. Irrigation pipe, the rainwater infiltrated into the infiltration pipe 4 can be collected in the water collection tank 6 for storage;

The sprinkler head 11 is connected to the water outlet of the irrigation pipe and is located above the grass ditch. When the vegetation in the grass ditch needs to be irrigated, when the water pump 5 is running, the water stored in the water collecting tank 6 can be sprayed out through the sprinkler head 11 to irrigate the vegetation. irrigation;

The drain pipe 7 is connected to the top of the water collecting tank 6 or the side wall near the top. The water outlet side of the drain pipe 7 is lower than the height of the water collecting tank 6. In the rainy season, when the water in the water collecting tank 6 is full , the water overflowing from the collecting tank 6 can be quickly discharged through the drain pipe 7, and the drain pipe 7 can be connected to the municipal sewage irrigation channel.

In a specific implementation, the aquifer 2 is a mixture of gravel, pebbles, or a mixture of gravel and pebbles, with large gaps and strong water storage capacity, and the water storage effect can utilize the growth of vegetation on the planting soil layer 1. The gravel or pebbles are combined with A water seepage gap is formed between the small holes of the infiltration pipe 4. When the amount of rainwater is large, the infiltration of the rainwater into the infiltration pipe 4 is facilitated, thereby accelerating the rainwater drainage and preventing the accumulation of water on the grass ditch.

In the specific implementation, the infiltration pipes 4 are arranged vertically, and the number of infiltration pipes 4 is multiple, and the plurality of infiltration pipes 4 are arranged at intervals along the length direction of the grass ditch. meet drainage needs. The storage and drainage structure further includes a water collecting pipe connected to the water collecting tank 6 , the lower ends of the plurality of infiltration pipes 4 are respectively connected to the same water collecting pipe, and the plurality of infiltrating pipes 4 are connected to the water collecting tank 6 through the water collecting pipe.

In a specific implementation, two sides of the grass ditch are hardened ground surfaces 12, and the hardened ground surface 12 has an inclined slope, so that the runoff direction of the ground surface faces the grass ditch. The hardened ground surface 12 is a sidewalk, a driveway or a square, for example, as a green belt to divide the motor vehicle and the pedestrian road, and at the same time, the pollution (oil pollution, particulate matter, etc.) of the motor vehicle road surface is filtered and precipitated by plants, and the The area has suffered from heavy rain and water accumulation for many years. The gradient of the hardened ground surface 12 is 3-5 degrees. Of course, in the specific implementation, the specific value of the gradient can be specifically set according to the specific requirements, which will not be listed here.

In the specific implementation, side stones 8 are provided at the connection between the two sides of the grass ditch and the hardened ground surface 12 , the side stones 8 are provided with water diversion holes 9 or water diversion grooves, and the runoff of the hardened ground surface 12 follows the water diversion holes 9 Or the water diversion groove flows into the grass ditch. The design of this structure is to avoid road surface water, and rainwater can be quickly introduced into the grass ditch along the water diversion hole 9 or the water diversion groove.

In a specific implementation, the overflow port 10 is higher than the ditch bottom of the grass ditch and lower than the water diversion hole 9 or the water diversion groove, and the overflow port 10 is also covered with a filter grate.

In a specific implementation, the ditch depth of the grass ditch is not less than 100mm, the thickness of the planting soil layer 1 at the bottom of the ditch of the grass ditch is 100-300mm, and the thickness of the aquifer 2 is 400-500mm.

The storage and drainage structure of the ecological grass ditch of the utility model is applied in the sponge city. When it rains, the surface runoff on both sides of the grass ditch can be gathered in the grass ditch. The planting soil layer 1, the water storage layer 2 and the planting soil layer 1 Planted vegetation can effectively alleviate stormwater and rainwater drainage, and can also deal with runoff pollution. The ecological grass-planting ditch system has a simple structure, small footprint and easy maintenance. Therefore, the ecological grass-planting ditch system can be widely used in urban landscape design, so that the ecological grass-planting ditch system not only meets the drainage needs, but also has good performance. ornamental value.

Although the specific embodiments of the present utility model have been described above, those skilled in the art should understand that these are only examples, and various changes or modifications can be made to the present embodiments without departing from the principles and essence of the present utility model. The protection scope of the present invention is limited only by the appended claims.

Claims (10)

1. A water storage and drainage structure, comprising:

a planting soil layer, the surface of which is sunken downwards to form a grass ditch for planting vegetation;

the water storage layer is positioned below the planting soil layer;

the upper end of the penetration pipe penetrates out of the planting soil layer to form an overflow port in the grass ditch, and the pipe wall of the penetration pipe in the water storage layer is provided with a plurality of small holes penetrating into the pipe;

the water collecting tank is arranged below the water storage layer, the lower end of the permeation tube is connected to the water collecting tank, a water pump is arranged in the water collecting tank, and the water pump is connected with an irrigation tube which penetrates out of the planting soil layer upwards;

the spray head is connected with the water outlet of the irrigation pipe and is positioned above the grass ditch; and

and the drain pipe is connected to the top of the water collecting tank or the side wall close to the top, and the water outlet side of the drain pipe is lower than the height of the water collecting tank.

2. A water storage and drainage structure as claimed in claim 1 wherein the aquifer is gravel, pebble, or a mixture of gravel and pebble, and water permeable gaps are formed between the gravel or pebble and the pipe wall and the small holes of the permeation pipe.

3. A water storage and drainage structure as claimed in claim 2, wherein the penetration pipes are vertically arranged, the number of the penetration pipes is multiple, and the multiple penetration pipes are arranged at intervals along the length direction of the grass furrows.

4. A water storage and drainage structure as claimed in claim 3, further comprising a header connected to the header tank, wherein the lower ends of the plurality of permeation tubes are connected to the same header, respectively, and the plurality of permeation tubes are connected to the header tank through the header.

5. A water storage and drainage structure according to claim 1, wherein the grass furrows are flanked by hardened ground surfaces having an inclined slope such that the runoff direction of the ground surfaces is towards the grass furrows.

6. A water storage and drainage structure according to claim 5 wherein the hardened earth's surface is a sidewalk, driveway or plaza and the slope of the hardened earth's surface is 3-5 degrees.

7. A water storage and drainage structure as claimed in any one of claims 1 to 6, wherein curbstones are arranged at the joints of the two sides of the grass ditches and the hardened ground surface, water diversion holes or water diversion grooves are arranged on the curbstones, and runoff of the hardened ground surface flows into the grass ditches along the water diversion holes or the water diversion grooves.

8. A storage and drainage structure as claimed in claim 7, wherein the weirs are higher than the bottom of the grass furrows and lower than the drainage holes or troughs.

9. A water storage and discharge structure according to claim 8, wherein said overflow weir is further covered with a filtering grate.

10. A water storage and drainage structure as claimed in any one of claims 1 to 6, wherein the depth of the grass furrows is not less than 100mm, the thickness of the planting soil layer on the bottom of the grass furrows is 100-300mm, and the thickness of the water storage layer is 400-500 mm.

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