CN217025652U

CN217025652U - Urban road rainwater runoff control filter equipment

Info

Publication number: CN217025652U
Application number: CN202220428025.1U
Authority: CN
Inventors: 李冰; 罗平义; 胡丽香; 任鹏; 刘涛; 周立颖; 崔攀华
Original assignee: Henan Green Ecological City Science And Technology Research Institute General Partnership; Henan Sponge City Construction Co ltd
Current assignee: Henan Green Ecological City Science And Technology Research Institute General Partnership; Henan Sponge City Construction Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-22
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses an urban road rainwater runoff control filtering device, which relates to the technical field of rainwater ecological purification and comprises a soil layer, wherein a filtering base body is arranged in the soil layer through a gravel compaction layer, a filtering top plate is arranged at the top of the filtering base body, a filtering inner plate is arranged below the filtering top plate and at the upper side in the filtering base body, the filtering top plate and the filtering inner plate are arranged at intervals, a water storage cavity is arranged below the filtering inner plate, a plurality of water seepage holes are arranged at the inner side wall of the bottom of the water storage cavity of the filtering base body at intervals, an overflow pipeline is connected to the outer side wall of one side of the filtering base body below the filtering inner plate, and the overflow pipeline penetrates through the gravel compaction layer and the soil layer and then is connected with an urban green land system. The utility model can carry out secondary filtration on pollutants, and can quickly shunt rainwater while purifying the rainwater.

Description

Urban road rainwater runoff control filter equipment

Technical Field

The utility model relates to the technical field of rainwater ecological purification, in particular to an urban road rainwater runoff control and filtration device.

Background

At present, the urbanization process is widely promoted in various regions of China. The urban problems are increasingly prominent because the matched infrastructure does not keep up with the speed of the urbanization process, and the urban water environment is one of the problems, in recent years, the urban land types are greatly changed, wherein a large number of waterproof hardened pavements appear, so that the rainwater confluence time is shortened, the runoff scouring is serious, the rainstorm flood peak appears for a short time, and the urban non-point source pollution caused by the rainstorm runoff causes high importance to the international society;

the urban non-point source pollution comprises urban ground surfaces such as streets, commercial areas, squares, parking lots and the like, a series of collected substances such as oil, nitrogen, phosphorus, toxic and harmful substances and urban solid garbage can erode pollutants on the ground surfaces when rainfall occurs to form non-point source pollution, the non-point source pollution is converged into urban receiving water bodies through drainage pipes or directly, urban water environment pollution is caused, the pollutants carried in runoff enter the urban water bodies, not only is the water quality index overproof caused, but also more serious pollutants can affect aquatic organisms and can finally affect the health of human beings through a food chain, and therefore a rainwater runoff control filtering device is needed to solve the problem;

the rainwater runoff control and filtration device which is widely applied at present is generally provided with only one filtration device, the filtration effect is general, the better rainwater purification effect cannot be achieved, and when the rainfall of the existing rainwater runoff control and filtration device is too large and cannot seep down, the corresponding device is not arranged, so that rainwater is quickly shunted to an urban green land system, and the rainwater is stored too much in the filtration device and overflows.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an urban road rainwater runoff control filtering device, which aims to solve the problems that the existing rainwater runoff control filtering device proposed in the background art is generally provided with only one filtering device, the filtering effect is general, the better rainwater purification effect cannot be achieved, and meanwhile, when the rainfall is too large and cannot seep downwards, the rainwater is quickly distributed to an urban green land system without a corresponding device, so that the rainwater is stored in the filtering device too much and overflows.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides an urban road rainwater runoff control filter equipment, includes the soil horizon, be equipped with the filtration base member through rubble compaction layer in the soil horizon, it is equipped with the filtration roof to filter the base member top, it just is located to filter the base member in the upside and is equipped with the filtration inner panel to filter the roof below, it sets up with filtering the inner panel interval to filter the roof, it is equipped with the water storage chamber to filter the inner panel below, the bottom inside wall department interval that the filtration base member is located the water storage chamber is equipped with a plurality of infiltration holes, the below of filtering the inner panel just is located the lateral wall department that filters base member one side and is connected with overflow pipeline, overflow pipeline links to each other with city greenery patches system after passing rubble compaction layer and soil horizon.

Preferably, the filtering base body is of a bucket body structure made of polyurethane.

Preferably, the filter top plate and the filter inner plate are in the same shape and are both T-shaped plates.

Preferably, the filtering top plate and the filtering inner plate are both of polyurethane porous structures.

Preferably, the porosity of the inner filter plate is smaller than the porosity of the top filter plate.

Preferably, the filtering base body is provided with mounting protrusions matched with the filtering top plate in shape and the filtering inner plate in shape, and the filtering top plate and the filtering inner plate are mounted at the corresponding mounting protrusions.

Preferably, the top of the filter base is higher than the upper end face of the soil layer.

The utility model has the following beneficial effects:

firstly, the utility model is provided with a secondary filtering device through the designed filtering top plate and the filtering inner plate, so that the pollutants can be secondarily filtered, and the problem that the existing rainwater runoff control filtering device is generally provided with only one filtering device, has a common filtering effect and cannot achieve a better rainwater purification effect is solved;

secondly, the utility model arranges the overflow pipeline below the filtering inner plate in the designed water storage cavity, when the rainfall is too large and cannot seep down, a part of rainwater can be temporarily stored in the water storage cavity, and the redundant rainwater can rapidly flow into the overflow pipeline to be distributed to an urban green land system, such as an ecological grass planting ditch in a sidewalk tree pool and an urban green land, so that underground moisture is effectively supplied, and the problem that the rainwater is stored too much and overflows in the filtering device because the existing rainwater runoff control filtering device is not provided with a corresponding device to rapidly distribute the rainwater to the urban green land system is solved;

thirdly, the utility model designs a plurality of water seepage holes positioned on the inner side wall of the bottom of the water storage cavity, so that the filtered rainwater can be slowly subjected to pervaporation, underground water is further effectively supplied, and the surrounding microclimate is improved;

fourthly, this utility model designs a porous crack structure of polyurethane filters roof and filtration inner panel, and its interception dirt nature and water permeability are strong, can collect the utilization fast with unnecessary rainwater, and device overall structure is simple, low in manufacturing cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a filter head plate according to the present invention.

Labeled in the figure as: 1-soil layer, 2-gravel compacted layer, 3-filtering base body, 4-filtering top plate, 5-filtering inner plate, 6-water storage cavity and 7-overflow pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

as shown in figures 1 and 2, an urban road rainwater runoff control filter device comprises a soil layer 1, a filter base body 3 is arranged in the soil layer 1 through a gravel compaction layer 2, the top of the filter base body 3 is provided with a filter top plate 4, the upper side of the filter top plate 4 below and the filter base body 3 is provided with a filter inner plate 5, the filter top plate 4 and the filter inner plate 5 are arranged at intervals, a water storage cavity 6 is arranged below the filter inner plate 5, a plurality of water seepage holes are arranged at the interval of the inner side wall of the bottom of the water storage cavity 6 of the filter base body 3, an overflow pipeline 7 is connected to the outer side wall of the lower part of the filter inner plate 5 and located on one side of the filter base body 3, and the overflow pipeline 7 is connected with an urban green land system after passing through the gravel compaction layer 2 and the soil layer 1.

The filtering top plate 4 and the filtering inner plate 5 are both used for filtering pollutants, the water storage cavity 6 is used for temporarily storing filtered rainwater which cannot seep in time, the water seepage hole is used for slowly seeping filtered rainwater, the overflow pipeline 7 is used for shunting the rainwater which cannot seep in time, when the rainwater filtering device is used, the rainwater is filtered by the filtering top plate 4 and then is secondarily filtered by the filtering inner plate 5, the filtered rainwater is temporarily stored in the water storage cavity 6 of the filtering base body 3 and is slowly pervaporated and evaporated through the water seepage hole, when the rainfall is too large, the rainwater cannot seep in time, and redundant rainwater quickly flows into the overflow pipeline 7 to be shunted to an urban green land system to supplement underground moisture; the utility model is provided with a secondary filtering device through the designed filtering top plate 4 and the filtering inner plate 5, can carry out secondary filtration on pollutants, solves the problems that the prior rainwater runoff control filtering device is generally provided with only one filtering device, has common filtering effect and can not play a better rainwater purification effect, and by matching the designed water storage cavity 6 with the overflow pipeline 7 positioned below the filtering inner plate 5, when the rainfall is too large and cannot seep downwards, a part of rainwater can be temporarily stored in the water storage cavity 6, the redundant rainwater can quickly flow into the overflow pipeline 7 and be distributed to the urban green land system, for example, the ecological grass planting ditches in the sidewalk tree pool and the urban green land effectively supply underground water, and solve the problems that the existing rainwater runoff control filtering device is not provided with a corresponding device to quickly shunt rainwater to an urban green land system, so that the rainwater is stored too much in the filtering device and overflows; meanwhile, a plurality of water seepage holes are designed on the inner side wall of the bottom of the water storage cavity, so that filtered rainwater can be slowly subjected to pervaporation, underground moisture is further effectively supplied, and the surrounding microclimate is improved.

Example 2:

on the basis of the embodiment 1, the filtering base 3 is a barrel structure made of polyurethane.

The shapes of the filtering top plate 4 and the filtering inner plate 5 are consistent and are both T-shaped plates.

The filtering top plate 4 and the filtering inner plate 5 are both of polyurethane porous structures, and the structures have strong dirt intercepting performance and water permeability and can quickly collect and utilize redundant rainwater.

The porosity of the filtering inner plate 5 is smaller than that of the filtering top plate 4, so that the filtering inner plate 5 can effectively filter pollutants for the second time.

The filtering base body 3 is positioned on the filtering top plate 4 and the filtering inner plate 5 and is provided with mounting bulges matched with the shape of the filtering top plate 4 and the filtering inner plate 5, and the filtering top plate 4 and the filtering inner plate 5 are mounted at the corresponding mounting bulges.

The top of the filtering base body 3 is higher than the upper end surface of the soil layer 1.

When the urban road rainwater runoff control filtering device is used, the filtering base body 3 is arranged in the soil layer 1, the top of the filtering base body is higher than the upper end surface of the soil layer 1, the gravel compaction layer 2 is filled between the filtering base body 3 and the soil layer 1, when the urban road rainwater runoff control filtering device is used, rainwater is filtered by the filtering top plate 4 and then is secondarily filtered by the filtering inner plate 5, the filtered rainwater is temporarily stored in the water storage cavity 6 of the filtering base body 3 and is slowly subjected to pervaporation through the seepage holes, the surrounding climate environment is improved by the slowly vaporized rainwater, when the rainfall is overlarge, the rainwater cannot timely seep, the redundant rainwater quickly flows into the overflow pipeline 7 to be distributed to an urban green land system to supply underground water, the specific size of the filtering base body 3 can be designed according to the field and the rainwater storage regulation total amount, and the overflow pipeline 7 can be connected with an irrigation system, and the collected rainwater is reused through an intelligent control system.

The above are only preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, it can make several changes and modifications without departing from the concept of the present invention, and these should also be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. An urban road rainwater runoff control and filtration device comprises a soil layer (1) and is characterized in that, a filtering matrix (3) is arranged in the soil layer (1) through a macadam compaction layer (2), the top of the filtering base body (3) is provided with a filtering top plate (4), a filtering inner plate (5) is arranged below the filtering top plate (4) and at the inner upper side of the filtering base body (3), the filtering top plate (4) and the filtering inner plate (5) are arranged at intervals, a water storage cavity (6) is arranged below the filtering inner plate (5), a plurality of water seepage holes are arranged at the inner side wall of the bottom of the water storage cavity (6) of the filtering base body (3) at intervals, an overflow pipeline (7) is connected with the outer side wall which is arranged below the filtering inner plate (5) and is positioned at one side of the filtering base body (3), the overflow pipeline (7) is connected with an urban green land system after penetrating through the gravel compacted layer (2) and the soil layer (1).

2. The urban road rainwater runoff control and filtration device according to claim 1, wherein the filtration base (3) is of a polyurethane bucket structure.

3. The urban road rainwater runoff control and filtration device according to claim 1, wherein the filtration top plate (4) and the filtration inner plate (5) are in the same shape and are both T-shaped plates.

4. The urban road rainwater runoff control and filtration device according to claim 1, wherein the filtration top plate (4) and the filtration inner plate (5) are both of polyurethane porous structure.

5. An urban road rainwater runoff control filtration unit according to claim 4 wherein the porosity of the filtration inner plate (5) is less than the porosity of the filtration top plate (4).

6. The urban road rainwater runoff control and filtration device according to claim 1, wherein the filtration base (3) is provided with mounting protrusions matched with the filtration top plate (4) and the filtration inner plate (5), and the filtration top plate (4) and the filtration inner plate (5) are mounted at the corresponding mounting protrusions.

7. An urban road rainwater runoff control filtration unit according to claim 1 wherein the top of the filtration base (3) is higher than the upper end surface of the soil layer (1).