CN214738568U

CN214738568U - Grass planting ditch flood reduction system based on sponge city idea

Info

Publication number: CN214738568U
Application number: CN202023337233.0U
Authority: CN
Inventors: 包祖明; 吴永湟; 黄伟强
Original assignee: Wuxi Xinjingyuan Landscape Engineering Co ltd
Current assignee: Wuxi Xinjingyuan Landscape Engineering Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-16
Anticipated expiration: 2030-12-30

Abstract

The utility model belongs to the technical field of the urban drainage and specifically relates to a grass planting ditch flood reduction system based on sponge city theory is related to, including soil horizon and a plurality of drain pipe, drain pipe and municipal pipe network intercommunication, every the drain pipe is equipped with a plurality of discharge tubes along its length direction, the vertical setting of discharge tube, the bottom and the drain pipe intercommunication of discharge tube, the top of discharge tube is less than the lowest of grass planting ditch. This application has the effect of realizing quick drainage.

Description

Grass planting ditch flood reduction system based on sponge city idea

Technical Field

The application relates to the field of urban drainage, in particular to a grass planting ditch flood reduction system based on a sponge city idea.

Background

At present, sponge city construction follows principles of ecological priority and the like, natural approaches and artificial measures are combined, accumulation, permeation and purification of rainwater in urban areas are realized to the maximum extent on the premise of ensuring urban drainage waterlogging prevention safety, and utilization of rainwater resources and ecological environment protection are promoted. The construction of the sponge city is not a way of putting the weight down and replacing the traditional drainage system, but a way of reducing burden and supplementing the traditional drainage system, and the self effect of the city is exerted to the greatest extent. In the sponge city construction process, the systematicness of natural rainfall, surface water and underground water is planned, water recycling links such as water supply and drainage are coordinated, and the complexity and the long-term property of the links are considered.

Chinese patent with publication number CN206256524U discloses a grass planting ditch flood reduction system based on sponge city theory, including the vegetable layer of locating the earth's surface and the soil horizon that is used for planting the vegetation, be equipped with a plurality of drain pipes in the soil horizon, drain pipe parallel arrangement is in the soil horizon, and one end assembles and feed through municipal drainage network, be equipped with a plurality of infiltration holes on the drain pipe wall.

When rainwater scours the surface of the road and flows into the grass planting ditches on the two sides, the vegetation layer forms a first filtering barrier for sewage, and impurities with small mass and large volume are intercepted. The sewage is then filtered through a soil layer, so that rainwater permeates into the drain pipe and finally flows into a municipal drainage network.

In view of the above-mentioned related art, the inventors believe that, when the rainfall is large, rainwater does not have time to penetrate into the soil layer, resulting in a large amount of water accumulating inside the grass planting trench.

SUMMERY OF THE UTILITY MODEL

In order to reach the effect of quick drainage, this application provides a grass planting ditch flood reduction system based on sponge city theory.

The application provides a grass planting ditch flood reduction system based on sponge city theory adopts following technical scheme:

the utility model provides a grass planting ditch flood reduction system based on sponge city theory, includes soil horizon and a plurality of drain pipe, drain pipe and municipal pipe network intercommunication, every the drain pipe is equipped with a plurality of discharge tubes along its length direction, the vertical setting of discharge tube, the bottom and the drain pipe intercommunication of discharge tube, the top of discharge tube is less than the lowest of grass planting ditch.

Through adopting above-mentioned technical scheme, when raining, the rainwater can discharge in permeating the drain pipe through the soil horizon, and when rainfall was big, the beginning ponding at the bottom of the grass planting ditch, the rainwater also can discharge in flowing to the drain pipe through the earial drainage pipe to realize the purpose of quick drainage.

Preferably, the top end of the drainage pipe is provided with a plurality of support rods, and the end parts of the support rods, far away from the drainage pipe, are provided with flow guide covers.

Through adopting above-mentioned technical scheme, the water conservancy diversion lid can play the effect of sheltering from to the mouth of pipe department of bleeder line, reduces the possibility that rubbish impurity blocks up the bleeder line.

Preferably, an intercepting net is arranged below the flow guide cover, the intercepting net is arranged along the circumferential direction of the drainage pipe, and the intercepting net extends downwards to the soil layer.

Through adopting above-mentioned technical scheme, the interception net can be outside the bleeder line with the impurity interception, reduces the possibility that the bleeder line is sheltered from by impurity, makes the bleeder line can keep better drainage ability.

Preferably, the flow guide cover is conical, and a plurality of flow supplement holes are formed in the flow guide cover.

Through adopting above-mentioned technical scheme, during the rainwater also can flow to the replenishing hole through the conical surface of water conservancy diversion lid, further promotion quick drainage's ability.

Preferably, a plurality of water inlet holes are formed in the side wall of the drain pipe.

Through adopting above-mentioned technical scheme, the water that enters into in the soil horizon also can flow to the bleeder line through the hole of intaking in, discharges in flowing to the drain pipe from the bleeder line again, further improves the quick drainage ability of bleeder line.

Preferably, the outer side wall of the drainage pipe is provided with geotextile.

Through adopting above-mentioned technical scheme, the setting of geotechnological cloth can reduce the solid matter in the soil horizon and flow the possibility in the bleeder line, has reduced the possibility that earth runs off in the soil horizon, plays the filtering action to the water in the soil horizon simultaneously.

Preferably, the outer side of the drainage pipe is provided with a water collecting ring which is arranged in an inverted cone shape.

Through adopting above-mentioned technical scheme, the setting of water collecting ring can make the water in the soil horizon collect the week side of bleeder line sooner to flow into the bleeder line through the inlet opening and discharge, water collecting ring can play the solid soil effect simultaneously.

Preferably, the water inlet hole is positioned above the joint of the water collecting ring and the drain pipe.

Through adopting above-mentioned technical scheme, it is nearer to gather the water that catchment ring low end department from the inlet opening, makes the water in the soil horizon flow into the bleeder line from the inlet opening fast and discharges.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when raining, rainwater can permeate into the drain pipe through the soil layer to be discharged, when the rainfall is large, water accumulation starts at the bottom of the grass planting ditch, and the rainwater can flow into the drain pipe through the drain pipe to be discharged, so that the aim of rapid drainage is fulfilled;

2. the diversion cover can shield the pipe orifice of the discharge pipe, and the possibility that the discharge pipe is blocked by garbage impurities is reduced.

Drawings

Fig. 1 is a schematic diagram of the general structure of a grass planting ditch flood-reducing system based on the concept of a sponge city in the embodiment of the application;

FIG. 2 is a schematic structural view showing a positional relationship between a drain pipe and a deflector cover in an embodiment of the present application;

fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a vegetable layer; 3. planting a soil layer; 4. a gravel layer; 5. a half sand layer; 6. a drain pipe; 7. a water seepage hole; 8. a bleeder tube; 9. a water inlet hole; 10. geotextile; 11. a flow guide cover; 12. a stay bar; 15. an intercepting net; 16. a water collecting ring; 17. and (6) flow supplementing holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a grass planting ditch flood reduction system based on sponge city theory. Referring to fig. 1, a grass planting ditch flood-reducing system based on the concept of sponge city comprises grass planting ditches arranged at two sides of a road, the road surface of the road is arched, so that rainwater can directly flow to the grass planting ditches at two sides along the arched road surface, plants are planted on the surface of the grass planting ditches, the plants form a vegetation layer 1,

referring to fig. 1 and 2, vegetation layer 1 below is provided with the soil horizon, and the soil horizon includes from last to planting soil horizon 3, gravel layer 4 and half sand layer 5 that set gradually down, and drain pipe 6 lays in half sand layer 5, and the play water end of drain pipe 6 is connected to municipal pipe network, has seted up a plurality of infiltration holes 7 on the drain pipe 6, and water in the soil horizon can discharge in the infiltration drain pipe 6 through infiltration hole 7.

Referring to fig. 2 and 3, drain pipe 6 evenly is equipped with many bleeder pipes 8 along its length direction, and the vertical setting of bleeder pipe 8, the top of bleeder pipe 8 with be less than the lowest of planting soil layer 3, the bottom fixed connection of bleeder pipe 8 on drain pipe 6 and with drain pipe 6 intercommunication, evenly seted up a plurality of inlet openings 9 on the lateral wall of bleeder pipe 8, the lateral wall upper berth of bleeder pipe 8 is equipped with one deck geotechnological cloth 10.

Referring to fig. 2 and 3, the top end of the drain pipe 8 is fixedly connected with a plurality of support rods 12, the support rods 12 are far away from one end of the drain pipe 8 and fixedly connected with a diversion cover 11, and the diversion cover 11 can shield the pipe opening of the drain pipe 8, so that the possibility that the drain pipe 8 is blocked by garbage impurities is reduced.

Referring to fig. 2 and 3, a circle of intercepting net 15 is fixedly connected below the diversion cover 11, the intercepting net 15 is abutted against the planting soil layer 3, the intercepting net 15 can intercept impurities outside the drainage pipe 8, the possibility that the drainage pipe 8 is shielded by the impurities is reduced, and the drainage pipe 8 can keep good drainage capacity.

Referring to fig. 2 and 3, the deflector cover 11 is arranged in a conical shape, a plurality of flow supplementing holes 17 are formed in the deflector cover 11 along the central line of the deflector cover in a ring shape, rainwater can flow into the flow supplementing holes 17 through the conical surface of the deflector cover 11, and the rapid drainage capability of the grass planting ditch is further improved.

Referring to fig. 2, a water collecting ring 16 is fixedly connected to the outer side of the drain pipe 8, and the water collecting ring 16 is arranged in an inverted cone shape, so that water in the soil layer is collected to the peripheral side of the drain pipe 8 and flows into the drain pipe 8 through the water inlet hole 9 to be discharged.

Referring to fig. 2, the water inlet 9 is located above the junction of the water collecting ring 16 and the drain pipe 8, and the water collected to the lower end of the water collecting ring 16 is closer to the water inlet 9, so that the water in the soil layer rapidly flows into the drain pipe 8 from the water inlet 9 and is discharged.

The implementation principle of the grass planting ditch flood-reducing system based on the sponge city idea is as follows: when raining, a part of rainwater passes through the planting soil layer 3, the gravel layer 4 and the half sand layer 5 downwards in sequence, and finally permeates into the drain pipe 6 and is discharged into the river channel. When the rainfall is too big, the rainwater that comes too late to underground infiltration collects in the grass planting ditch, the rainwater is filtered by intercepting net 15 earlier, intercepting net 15 keeps off large granule impurity outside intercepting net 15, the rainwater directly flows to drain pipe 6 in from the bleeder line 8 and discharges, intercepting net 15 is blocked up, when the water level continues to rise, the rainwater can flow to the bleeder line 8 through flow supplement hole 17 and discharges, water in the soil horizon also can flow to the bleeder line 8 through inlet opening 9 and discharge, thereby realize the purpose of quick drainage.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a grass planting ditch flood reduction system based on sponge city theory, includes soil horizon and a plurality of drain pipe (6), drain pipe (6) and municipal pipe network intercommunication, its characterized in that: every drain pipe (6) are equipped with a plurality of bleeder pipes (8) along its length direction, the vertical setting of bleeder pipe (8), the bottom and drain pipe (6) the intercommunication of bleeder pipe (8), the top of bleeder pipe (8) is less than the lowest of grass planting ditch.

2. The grass planting ditch flood reduction system based on the sponge city idea as claimed in claim 1, wherein: the top of bleeder tube (8) is equipped with many spinal branchs vaulting pole (12), the tip that bleeder tube (8) were kept away from in bracing piece (12) is equipped with water conservancy diversion lid (11).

3. The grass planting ditch flood reduction system based on the sponge city idea as claimed in claim 2, wherein: the lower part of water conservancy diversion lid (11) is equipped with interception net (15), interception net (15) set up along the circumference of bleeder line (8), interception net (15) downwardly extending to the soil horizon.

4. The grass planting ditch flood reduction system based on the sponge city idea as claimed in claim 3, wherein: the flow guide cover (11) is conical, and a plurality of flow supplement holes (17) are formed in the flow guide cover (11).

5. The grass planting ditch flood reduction system based on the sponge city idea as claimed in claim 1, wherein: and a plurality of water inlet holes (9) are formed in the side wall of the drainage pipe (8).

6. The grass planting ditch flood reduction system based on the sponge city idea as claimed in claim 5, wherein: and the outer side wall of the drainage pipe (8) is provided with geotextile (10).

7. The grass planting ditch flood reduction system based on the sponge city idea as claimed in claim 5, wherein: the outside of bleeder tube (8) is equipped with water collecting ring (16), water collecting ring (16) are the back taper setting.

8. The grass planting ditch flood reduction system based on the sponge city idea as claimed in claim 7, wherein: the water inlet hole (9) is positioned above the joint of the water collecting ring (16) and the drain pipe (8).