CN211735656U - Rainwater collecting device - Google Patents
Rainwater collecting device Download PDFInfo
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- CN211735656U CN211735656U CN201921713813.XU CN201921713813U CN211735656U CN 211735656 U CN211735656 U CN 211735656U CN 201921713813 U CN201921713813 U CN 201921713813U CN 211735656 U CN211735656 U CN 211735656U
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Abstract
The utility model discloses a rainwater collecting device, which comprises a rainwater port, a water distribution pipe connected with the rainwater port, a water collecting pipe arranged below the water distribution pipe and used for collecting rainwater discharged by the water distribution pipe, and a water collecting well connected with the water collecting pipe; the water distribution pipe is arranged below the roadbed, a filter layer for filtering rainwater is filled between the water distribution pipe and the water collection pipe, and the rainwater inlet comprises a water inlet area, an overflow area and an overflow weir for separating the water inlet area and the overflow area; the overflow area is connected with the water collecting port through a pipeline, and the water distribution pipe is connected with the water inlet area. The utility model discloses a rainwater collection device avoids the particle pollutant who contains in the rainwater to discharge into the water, improves urban water environment.
Description
Technical Field
The utility model relates to a rainwater collection device.
Background
At present, along with the development of cities, urban drainage pipe network facilities are continuously improved, urban sewage is orderly collected and treated, and according to data statistics, when the sewage collection treatment rate of an urban point pollution source reaches 85%, a surface pollution source is a main pollution source of an urban water environment.
The traditional rainwater drainage system mainly drains rainwater into a receiving water body as soon as possible. Due to the rapid drainage, pollutants on the ground surface are brought into the receiving water body through rainwater, and the water environment is polluted.
The surface pollutants are mainly brought into the receiving water body by initial rainwater, so that the water body pollution is caused. Since the ground is washed clean by the initial rainwater, the subsequent runoff rainwater on the ground contains less pollutants and can be regarded as a clean water source.
Through simulation software calculation, the initial rainwater has higher pollutant content in the first 20 minutes (or 4-8 mm rainfall) of rainfall, and then the pollutant content is sharply reduced. The rainwater in the period is collected and treated aiming at the time distribution of the concentration of pollutants contained in the rainwater, so that the surface pollutants can be prevented from being discharged to a water body.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rainwater collection device avoids the particle pollutant who contains in the rainwater to discharge into the water, improves urban water environment.
In order to achieve the above object, the present invention provides a rainwater collecting device, which comprises a rainwater inlet, a water distribution pipe connected to the rainwater inlet, a water collecting pipe disposed below the water distribution pipe for collecting rainwater discharged from the water distribution pipe, and a water collecting well connected to the water collecting pipe; the water distribution pipe is arranged below the roadbed, a filter layer for filtering rainwater is filled between the water distribution pipe and the water collecting pipe, and the rainwater inlet comprises a water inlet area, an overflow area and an overflow weir for separating the water inlet area and the overflow area; the overflow area is connected with the water collecting port through a pipeline, and the water distribution pipe is connected with the water inlet area.
In the rainwater collecting device, the water distribution pipe comprises a main pipeline and a plurality of auxiliary pipelines arranged at intervals along the axial direction of the main pipeline, and the auxiliary pipelines are distributed along two sides of the axis of the main pipeline.
In the rainwater collecting device, the filter layer is a gravel layer.
In the above rainwater collecting device, the water collecting well is provided with a drain pipe for draining rainwater.
In the rainwater collecting device, a filter screen is arranged at one end of the water inlet of the water distribution pipe.
In the rainwater collecting device, the rainwater inlet and the water collecting well are arranged on the same side.
In the rainwater collecting device, the depth of the overflow area is greater than that of the water inlet area.
Above-mentioned technical scheme provides a rainwater collection device, compares with prior art, and its beneficial effect includes: after the rainwater is collected at the rainwater inlet, the initial rainwater is distributed to the filter layer through the water distribution pipe, granular pollutants contained in the initial rainwater are filtered through the filter layer, the rainwater filtered by the filter layer falls to the water collecting pipe at the bottom of the filter layer, the filtered rainwater is conveyed to the water collecting well through the water collecting pipe to be discharged, the urban water environment is improved, the initial rainwater is discharged and filtered through the water distribution pipe through the water inlet area, when the rainwater quantity gradually increases and exceeds the water delivery capacity of the water distribution pipe, the rainwater overflows from the overflow weir to the overflow area, the rainwater in the overflow area is discharged to the water collecting well through the pipeline to be collected, and when the rainwater quantity is overlarge, the internal pollutants obviously descend at the moment, so that the rainwater can be discharged to the water collecting well and cannot cause overlarge pollution influence on a water body.
Drawings
Fig. 1 is a schematic structural view of the rainwater collecting device of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a sectional view of B-B in fig. 1.
Wherein, 1-a rainwater inlet, 11-a water inlet area, 12-an overflow area, 13-an overflow weir, 2-a water distribution pipe, 21-a main pipeline, 22-an auxiliary pipeline, 3-a water collection pipe, 4-a water collection well and 5-a filter layer.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1-3, the rainwater collecting device provided by the present invention comprises a rainwater inlet 1, a water distribution pipe 2 connected to the rainwater inlet 1, a water collecting pipe 3 disposed below the water distribution pipe 2 for collecting rainwater discharged from the water distribution pipe 2, and a water collecting well 4 connected to the water collecting pipe 3; the water distribution pipe 2 is arranged below the roadbed, a filter layer 5 for filtering rainwater is filled between the water distribution pipe 2 and the water collection pipe 3, and the rainwater inlet 1 comprises a water inlet area 11, an overflow area 12 and an overflow weir 13 for separating the water inlet area 11 from the overflow area 12; the overflow area 12 is connected with the water collecting port through a pipeline, and the water distribution pipe 2 is connected with the water inlet area 11.
Based on the technical characteristics, after the rainwater is collected by the rainwater port 1, the initial rainwater is distributed to the filter layer 5 through the water distribution pipe 2, granular pollutants contained in the initial rainwater are filtered by the filter layer 5, the rainwater filtered by the filter layer 5 falls to the water collection pipe 3 at the bottom of the filter layer 5, the filtered rainwater is conveyed to the water collection well 4 through the water collection pipe 3 to be discharged, so that the urban water environment is improved, the initial rainwater is discharged and filtered through the water distribution pipe 2 through the water inlet area 11, when the rainfall gradually increases and exceeds the water delivery capacity of the water distribution pipe 2, the rainwater overflows from the overflow weir 13 to the overflow area 12, the rainwater in the overflow area 12 is discharged to the water collection well 4 through the pipeline to be collected, and when the rainfall is overlarge, the internal pollutants obviously drop at the moment, so that the rainwater can be discharged to the water collection well 4 without causing overlarge pollution influence on the water body.
The water distributor 2 includes trunk line 21 and a plurality of auxiliary pipelines 22 that set up along trunk line 21's axial interval, and a plurality of auxiliary pipelines 22 distribute along trunk line 21's axis both sides, through setting up a plurality of auxiliary pipelines 22, better realization is to the even emission of just rain for it is more even to the filtration of rainwater, and increases emission efficiency.
The filter layer 5 is a gravel layer, and particle pollutants in the primary rain are filtered by the gravel layer.
The sump 4 is provided with a drain pipe for draining rainwater, through which drainage of rainwater is achieved.
One end of the water inlet of the water distribution pipe 2 is provided with a filter screen through which the impurities with larger volume are filtered.
The gutter inlet 1 and the water collecting well 4 are arranged on the same side, the pipeline distance between the overflow area 12 and the water collecting well 4 is shortened, and the drainage efficiency is improved.
The depth of the overflow area 12 is larger than that of the water inlet area 11, so that rainwater can be discharged when the rainfall is too large.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. A rainwater collecting device is characterized by comprising a rainwater inlet, a water distribution pipe connected with the rainwater inlet, a water collecting pipe arranged below the water distribution pipe and used for collecting rainwater discharged by the water distribution pipe, and a water collecting well connected with the water collecting pipe; the water distribution pipe is arranged below the roadbed, and a filtering layer for filtering rainwater is filled between the water distribution pipe and the water collecting pipe;
the rainwater inlet comprises a water inlet area, an overflow area and an overflow weir for separating the water inlet area and the overflow area; the overflow area is connected with the water collecting port through a pipeline, and the water distribution pipe is connected with the water inlet area.
2. The rainwater collecting device according to claim 1, wherein said water distributor comprises a main pipe and a plurality of auxiliary pipes spaced along the axial direction of said main pipe, and said plurality of auxiliary pipes are distributed along two sides of the axis of said main pipe.
3. A rainwater collection apparatus according to claim 1 wherein the filter layer is a gravel layer.
4. A rainwater collection apparatus according to claim 1 wherein the sump is provided with a drain for draining rainwater.
5. The rainwater collecting device as recited in claim 1, wherein a strainer is disposed at an end of the inlet of said water distribution pipe.
6. A rainwater collection apparatus according to claim 1 wherein said gully is located on the same side as said sump well.
7. A rainwater collection apparatus according to claim 1 wherein the depth of the overflow region is greater than the depth of the intake region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921713813.XU CN211735656U (en) | 2019-10-12 | 2019-10-12 | Rainwater collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921713813.XU CN211735656U (en) | 2019-10-12 | 2019-10-12 | Rainwater collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211735656U true CN211735656U (en) | 2020-10-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921713813.XU Active CN211735656U (en) | 2019-10-12 | 2019-10-12 | Rainwater collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211735656U (en) |
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2019
- 2019-10-12 CN CN201921713813.XU patent/CN211735656U/en active Active
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