CN210766242U - Low-influence precipitation disposal system - Google Patents

Abstract

The utility model discloses a low influence precipitation processing system, include: the sponge body paving surface is used for promoting the storage, permeation and purification of rainwater; the rainfall storage and seepage buffer cellar is used for collecting, storing, seeping, precipitating and dredging rainfall and transferring the buffer water to a town drainage pipe network; the precipitation and seepage collecting closed channel is used for draining water in the sponge body pavement to the precipitation and seepage storing buffer cellar in an organized manner, and seeping water into a soil layer. The system can absorb, collect and store, seep and release the rainfall slowly, and is favorable for relieving urban waterlogging, reducing urban runoff pollution load, protecting rainfall resources and providing a technical scheme for building sponge cities.

Description

Low-influence precipitation disposal system

Technical Field

The utility model relates to a sponge city construction technical field, in particular to low influence precipitation processing system.

Background

At present, the hardened pavement or ground in a city can discharge rainfall to a city drainage pipe network. However, under the condition that the drainage quantity of the urban drainage pipe network is limited, if the hardened road surface or the rainwater gathered on the ground is not smoothly drained when rainstorm occurs, urban waterlogging can be caused, so that the life and production of residents are influenced, and the problem is urgently solved.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the utility model aims to provide a low influence precipitation processing system, this system can have to absorb, the collection holds, infiltration and slow release effect to precipitation, and then helps alleviating urban waterlogging, reduces urban runoff pollution load, protection precipitation resource, provides technical scheme for the construction sponge city.

In order to achieve the above object, the utility model provides a low influence precipitation processing system, including following step: the sponge body paving surface is used for promoting the storage, permeation and purification of rainwater; the rainfall storage and seepage buffer cellar is used for collecting, storing, seeping, precipitating and dredging rainfall and transferring the buffer water to a town drainage pipe network; and the precipitation and seepage collecting underdrain is used for draining the water in the sponge body pavement to the precipitation and seepage storing buffer cellar in an organized manner, and seeps water to enter a soil layer.

The utility model discloses a low influence precipitation system of dealing with has infiltration, collection to precipitation and holds, adjusts, transshipment and cuts functions such as dirty purification, can regulate and control precipitation runoff flow and runoff pollution to there is absorption, collection to precipitation and holds, infiltration and slow release effect, and then help alleviating urban waterlogging, reduce urban runoff pollution load, protection precipitation resource, provide technical scheme for the construction sponge city.

Furthermore, the sponge body pavement is paved by sand-based permeable materials and permeable concrete.

Furthermore, the sand-based water-permeable material is arranged on the water-permeable concrete.

Furthermore, the pervious concrete is adopted at the joint of the precipitation seepage storage buffer cellar and the precipitation seepage collection underdrain.

Furthermore, the sand-based water permeable material is formed by mixing and pressing silica sand and a high polymer binder.

Further, the addition amount of the polymer binder may be 6% to 8%.

Further, the precipitation and infiltration storage buffer cellar comprises: the pit wall is built by bricks with a first preset thickness; the pit bottom is paved with a gravel covering layer with a second preset thickness; a circular top cover of precast concrete is used.

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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a low impact precipitation treatment system according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a low impact precipitation treatment system according to an embodiment of the invention.

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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

A low impact precipitation treatment system according to an embodiment of the present invention is described below with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of a low impact precipitation treatment system according to an embodiment of the present invention.

As shown in fig. 1, the low impact precipitation treatment system 100 includes: a cavernous body paving surface 110, a precipitation seepage storage buffer cellar 120 and a precipitation seepage collection underdrain 130.

Wherein the sponge-laying surface 110 is used to promote the accumulation, penetration and purification of rainwater. The precipitation storage and seepage buffer cellar 120 is used for collecting, storing, seeping, precipitating and dredging precipitation and transferring the buffer water to a town drainage pipe network. The precipitation and seepage collecting underdrain 130 is used for draining the water in the sponge body pavement to the precipitation and seepage storing buffer cellar in an organized manner, and seeps water to enter a soil layer. The utility model discloses system 100 can have absorption, collection and hold, infiltration and slow release effect to precipitation, and then help alleviating urban waterlogging, cutting down urban runoff pollution load, protection precipitation resource, provides technical scheme for the construction sponge city.

It is understood that the functions of the precipitation storage and infiltration buffer cellar 120 include water collection, water storage, water infiltration, sedimentation, dredging, and diversion of the buffered water to the town drainage network, as shown in fig. 1 and 2. The precipitation and infiltration underdrain 130 can drain the water in the cavernous body paving surface 110 to the precipitation and infiltration buffer cellar 120 in a organized manner, and has the function of infiltrating water into soil layers. The sponge-laying surface 110 has a function of promoting the accumulation, penetration and purification of rainwater. The low-influence rainfall treatment system 100 can effectively control the total runoff amount, the peak runoff value and the runoff pollution through functions of permeation, storage, regulation, transfer, pollutant interception and purification of rainfall, and can play a role in buffering and regulation when being communicated with a town drainage pipe network; can be used as an important basic element for sponge city construction.

The specific structure of the low impact precipitation treatment system 100 will be further described below.

Further, in an embodiment of the present invention, the sponge paving surface 110 is paved by sand-based permeable material and permeable concrete, and the permeable concrete is coated with the sand-based permeable material.

Wherein the strength grade of the pervious concrete is greater than C20, and the thickness of the pervious concrete can be 140mm-160 mm; the sand-based water-permeable material can be 40mm-50mm thick and has a strength grade greater than C30. The sand-based water permeable material is formed by mixing and pressing silica sand and a high polymer binder, and the addition amount of the high polymer binder can be 6-8%.

Further, in an embodiment of the present invention, the rain water storage infiltration buffer cellar 120 and the rain water collection infiltration underdrain 130 are connected by pervious concrete, so that the rain water stored in the underdrain can flow into the cellar.

Further, in an embodiment of the utility model, the precipitation holds and oozes buffering cellar for storing things includes: the pit wall, the pit bottom and the top cover.

Wherein, the cellar wall is built by bricks with a first preset thickness; paving a gravel covering layer with a second preset thickness at the bottom of the pit; the circular top cover is made of precast concrete. The first preset thickness and the second preset thickness may be set by those skilled in the art according to actual conditions, for example, the first preset thickness may be 120mm to 240mm, and the second preset thickness may be 200mm to 300mm, which are only used as examples and are not limited specifically herein.

Specifically, as shown in fig. 2, the pit wall can be built by bricks, the thickness can be 120mm-240mm, and a gravel covering layer with the thickness of 200mm-300mm is paved at the pit bottom, so that rainwater collected and stored in the pit can infiltrate the soil; the top cover adopts a precast concrete circular top cover, wherein the diameter of the top cover can be 700mm, and the thickness of the top cover can be 120 mm. Of course, the diameter and thickness of the top cover can be set by those skilled in the art according to practical situations, and are only used as examples and are not particularly limited.

Further, as shown in fig. 2, the concrete structure of the precipitation collection and infiltration underdrain 130 is that channels are excavated on the land, the depth of the channels can be 0.3m to 0.4m, the bottom width of the channels can be 0.3m to 0.5m, and then the channels are filled with stones with the particle size range of 4.75mm to 25mm, namely the underdrain; precipitation can collect in the interstices between the stones and flow and seep down between them. Of course, the depth of the channels, the width of the bottom of the channels, and the particle size of the stones are merely examples, and are not particularly limited.

It should be noted that the construction site of the system 100 of the embodiment of the present invention can be selected from squares, parking lots, residential quarters, and roads with smaller traffic flow and load, so that the cost can be saved while the construction is facilitated.

According to the utility model discloses low influence precipitation processing system that provides has infiltration, collection to precipitation and holds, adjusts, defeated and intercept functions such as dirty purification, can regulate and control precipitation runoff flow and runoff pollution to there is absorption, collection to hold, infiltration and slow release effect to precipitation, and then helps alleviating urban waterlogging, reduces urban runoff pollution load, protection precipitation resource, provides technical scheme for the construction sponge city.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (7)

1. A low impact precipitation treatment system, comprising:

the sponge body paving surface is used for promoting the storage, permeation and purification of rainwater;

the rainfall storage and seepage buffer cellar is used for collecting, storing, seeping, precipitating and dredging rainfall and transferring the buffer water to a town drainage pipe network; and

and the precipitation and seepage collecting underdrain is used for draining the water in the sponge body pavement to the precipitation and seepage storing buffer cellar in an organized manner, and seeps water to enter a soil layer.

2. The system of claim 1, wherein the sponge-laying surface is laid of sand-based water-permeable material and water-permeable concrete.

3. The system of claim 2, wherein the pervious concrete has the sand-based pervious material thereon.

4. The system of claim 3, wherein the water permeable concrete is adopted at the connection of the precipitation storage and seepage buffer cellar and the precipitation storage and seepage underdrain.

5. The system of claim 2, wherein the sand-based water permeable material is formed by mixing and pressing silica sand and a polymer binder.

6. The system of claim 5, wherein the polymeric binder is added in an amount of 6% to 8%.

7. The system of claim 1, wherein the precipitation impoundment buffer cellar comprises:

the pit wall is built by bricks with a first preset thickness;

the pit bottom is paved with a gravel covering layer with a second preset thickness;

a circular top cover of precast concrete is used.

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