CN216109413U - Self-cleaning roof rainwater disconnection device - Google Patents
Self-cleaning roof rainwater disconnection device Download PDFInfo
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- CN216109413U CN216109413U CN202121955828.4U CN202121955828U CN216109413U CN 216109413 U CN216109413 U CN 216109413U CN 202121955828 U CN202121955828 U CN 202121955828U CN 216109413 U CN216109413 U CN 216109413U
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Abstract
The utility model discloses a self-cleaning roof rainwater disconnection device which comprises a roof rainwater drainage pipe, a water dispersion well, a water dispersion pipe and a rainwater grate, wherein the roof rainwater drainage pipe is downwards arranged below the ground along a wall body from a roof; the water dispersion well is arranged in the green land; the lower end of the roof rainwater drainage pipe extends into the bottom of the water dispersion well and is connected with the water dispersion pipe; a plurality of first water spray holes are formed in the water spray pipe; the rain grate is arranged above the municipal rainwater pipe and is communicated with the municipal rainwater pipe; the water dispersion well and the rain grate are disconnected by a green land; cobblestones are arranged in the water dispersion well; the depth of the water dispersing well is 35-80 cm, the width of the water dispersing well is 40-60 cm, and the length of the water dispersing well is 40-60 cm. The utility model has the advantages of convenient disposal and consumption of roof rainwater and saving later-stage operating cost.
Description
Technical Field
The utility model belongs to the technical field of comprehensive utilization of sponge urban rainwater, and particularly relates to a self-cleaning roof rainwater disconnection device.
Background
The comprehensive utilization facility of rainwater is one of the important contents of the water-saving facility. According to the 'regulations on collecting and utilizing urban rainwater in Kunming City', construction projects of new construction, reconstruction and extension according to conditions are met, and a construction unit is required to synchronously and cooperatively construct a rainwater comprehensive utilization facility according to the requirement of water saving and 'three-time' requirements.
And (3) rolling planning and annual construction plan of sponge city construction in 3 years, which are adaptive to the development level of the local economic society, are compiled in 2016, the construction of sponge cities is promoted in new urban areas, various gardens and development areas, and the construction test work of sponge cities in the whole province is comprehensively started. By 2017, provincial sponge cities such as Kunming city, Qujing city, Yuxi city, Dalizhou, Lijiang city and the like are firstly tried to be constructed to obtain effect, 70% of rainfall is consumed and utilized on site, the effects of no water accumulation in light rain, no waterlogging in heavy rain, no black and odorous water body and no heat island are relieved, and the sponge cities are actively strived to be brought into the construction test points of the national sponge cities. By 2020, more than 20% of the area of the built-up areas of all cities in the whole province meets the requirements of sponge city construction standards. By 2030, more than 80% of the area of the built-up areas of all cities in the whole province meets the requirements of the sponge city building standard.
Along with the improvement of the country to sponge city construction requirement, also higher and higher to the requirement of rainwater comprehensive utilization, roof rainwater is often neglected in the design to the rainwater comprehensive utilization engineering nowadays, and roof rainwater directly discharges into the rainwater pipe network, does not carry out effectual regulation and handles, and roof rainwater often accounts for than whole construction project's proportion is higher, causes partial project roof rainwater to obtain not handling completely. A large difference exists between rainwater design and actual construction of some projects, so that investment is wasted, and the requirements of sponge city construction cannot be met.
In the current sponge city design scheme, roof rainwater is generally discharged to a basement roof water storage layer for regulation and storage, and the scheme has the defects of high requirement on the construction of the roof water storage layer, high investment, difficult subsequent transformation and the like. In the comprehensive rainwater utilization design guide and the drawing set, only the requirement is provided for the treatment of rainwater on the roof, and a detailed construction method and a drawing are not provided; therefore, in the engineering construction process, the construction unit often neglects the disposal of roof rainwater, and the roof rainwater drain pipe is buried in the soil for hidden engineering, and is difficult to maintain and supervise.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a self-cleaning roof rainwater disconnection device, which is convenient for roof rainwater disposal and consumption and saves later-stage operation cost.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a self-cleaning roof rainwater disconnection device comprises a roof rainwater drainage pipe, a water dispersion well, a water dispersion pipe and a rainwater grate, wherein the roof rainwater drainage pipe is arranged from a roof to the ground along a wall body; the water dispersion well is arranged in the green land; the lower end of the roof rainwater drainage pipe extends into the bottom of the water dispersion well and is connected with the water dispersion pipe; a plurality of first water spray holes are formed in the water spray pipe; the rain grate is arranged above the municipal rainwater pipe and is communicated with the municipal rainwater pipe; the water dispersion well and the rain grate are disconnected by a green land; cobblestones are arranged in the water dispersion well; the depth of the water dispersing well is 35-80 cm, the width of the water dispersing well is 40-60 cm, and the length of the water dispersing well is 40-60 cm. The depth of the water dispersion well is different according to different floor heights, the depth of the rainwater water dispersion well on the seven-layer building roof is 40cm, and if the building floor height is increased, the corresponding well depth is increased, and the deepest depth is not more than 80 cm. The appearance of the water dispersion well can be not square, can also be round or special, and can be coordinated and unified with landscape design.
In the self-cleaning roof rainwater cutting device provided by the utility model, preferably, the water distribution branch pipe is connected to the water distribution pipe.
In the self-cleaning roof rainwater cutting device provided by the utility model, preferably, a plurality of second water spray holes are formed in the water spray branch pipe.
In the self-cleaning roof rainwater cutting device provided by the utility model, it is further preferable that the water distribution pipe and the water distribution branch pipe are coated with geotextile.
In the self-cleaning roof rainwater cutting device provided by the utility model, preferably, the water dispersion well is built by bricks. If the landscape design needs, a scattered water well can be designed in a mode of directly filling cobbles in a rammed earth wall without making a bricked well.
In the self-cleaning roof rainwater cutting device provided by the utility model, still further preferably, the first water spray holes are positioned at the upper ends of the water spray pipes.
In the self-cleaning roof rainwater cutting device provided by the utility model, most preferably, the second water spray holes are positioned at the upper ends of the water spray branch pipes.
By adopting the technical scheme, the roof rainwater drainage pipe is connected to the bottom of the water dispersion well, rainwater overflows from the water dispersion well and enters the sunken green land for shallow infiltration, redundant rainwater is discharged into the municipal rainwater pipeline through the rain grate in the sunken green land, the water dispersion well adopts a mode of bottom inlet and outlet, impurities of the roof rainwater can be flushed out of the water dispersion well and enter a green belt, and the impurities can be absorbed and treated by a plant root system and soil. Therefore, the trouble of cleaning and drawing regularly by manpower is saved, and the labor and cleaning and conveying cost is saved. The roof rainwater has higher elevation and larger impulsive force when falling to the building base, and the method of porous drainage and cobble pressing covering is adopted to reduce the water falling head and prevent the rainwater from spraying out of the water-dispersing well.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a water-dispersing well (without cobblestones) of the present invention;
in the figure: 1-roof rainwater drainage pipe, 2-water dispersion well, 3-water dispersion pipe, 4-rain grate, 5-first water dispersion hole, 6-cobble, 7-water dispersion branch pipe, 8-second water dispersion hole, 9-wall, 10-roof and 11-green land.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
A self-cleaning roof rainwater disconnection device is shown in figures 1 and 2 and comprises a roof rainwater drainage pipe 1, a water distribution well 2, a water distribution pipe 3 and a rainwater grate 4, wherein the roof rainwater drainage pipe 1 is downwards installed below the ground along a wall body 9 from a roof 10, and the roof rainwater drainage pipe 1 is fixed on the wall body 9 through a buckle; the water dispersion well 2 is arranged in the green land 11; the lower end of the roof rainwater drainage pipe 1 extends into the bottom of the water dispersing well 2 and is connected with the water dispersing pipe 3; thereby concentrate the row to the building basement with roof rainwater, change traditional drainage direction, not direct access municipal administration rainwater pipeline, but insert in the scattered water well 2. The water dispersing pipe 3 is mainly used for dispersing and reducing a water falling head.
A first water spray hole 5 is arranged on the water spray pipe 3, and the first water spray hole 5 is positioned at the upper end of the water spray pipe 3; the rain grate 4 is arranged above the municipal rainwater pipe and is communicated with the municipal rainwater pipe; the water dispersion well 2 and the rain grate 4 are disconnected by a green land 11; the inside of the water-dispersing well 2 is provided with cobblestones 6, and the diameter of the cobblestones 6 is more than 50mm so as not to be washed out of the water-dispersing well 2. The cobblestones 6 have the functions of covering the water dispersion pipes 3, reducing the water falling head and preventing rainwater from directly spraying out of the water dispersion well 2, are coordinated with the green landscape and are attractive and elegant. The water dispersing well 2 is built by bricks and mainly plays a role of containing a water dispersing pipe 3 and cobbles 6, and the water dispersing well 2 is 40cm deep, 50cm wide and 50cm long.
In order to better disperse the water falling head, a water dispersing branch pipe 7 is connected to the water dispersing pipe 3; and a second water spray hole 8 is arranged on the water spray branch pipe 7, and the second water spray hole 8 is positioned at the upper end of the water spray branch pipe 7.
In order to prevent silt from entering the water dispersion pipe 3 and the water dispersion branch pipe 7 and further reduce a water falling head, the water dispersion pipe 3 and the water dispersion branch pipe 7 are coated with geotextile. The geotextile needs to adopt 250g/m2And above can bear the impact of gravity water head.
After being collected by the roof rainwater drainage pipe 1, rainwater is drained into the water dispersion well 2 through the water dispersion pipe 3 and the water dispersion branch pipe 7, and then is drained through the green land 11 around the water dispersion well 2, so that rainwater can be infiltrated in a shallow layer, underground water is replenished, the evaporation capacity is increased, and the regional environment is improved. Rainwater which is discharged from the water dispersing well 2 and cannot permeate into the green land 11 enters the municipal rainwater pipeline through the rain grate 4. In the utility model, as the roof rainwater can generate larger impulsive force in the process of falling along the roof rainwater drainage pipe 1, no external power is needed in the whole drainage process, and the utility model can also automatically clean the interior of the water dispersion well 2 and has the advantages of simple construction and beautiful appearance.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.
Claims (7)
1. A self-cleaning roof rainwater disconnection device is characterized by comprising a roof rainwater drainage pipe, a water dispersion well, a water dispersion pipe and a rainwater grate, wherein the roof rainwater drainage pipe is arranged from a roof to the ground along a wall body; the water dispersion well is arranged in the green land; the lower end of the roof rainwater drainage pipe extends into the bottom of the water dispersion well and is connected with the water dispersion pipe; a plurality of first water spray holes are formed in the water spray pipe; the rain grate is arranged above the municipal rainwater pipe and is communicated with the municipal rainwater pipe; the water dispersion well and the rain grate are disconnected by a green land; cobblestones are arranged in the water dispersion well; the depth of the water dispersing well is 35-80 cm, the width of the water dispersing well is 40-60 cm, and the length of the water dispersing well is 40-60 cm.
2. A self-cleaning roof rainwater disconnect device of claim 1 wherein a water distribution branch is connected to the water distribution pipe.
3. A self-cleaning roof rainwater disconnect device of claim 2 wherein the water distribution branch pipe is provided with a plurality of second water distribution holes.
4. A self-cleaning roof rainwater disconnect device of claim 3 wherein the water distribution pipes and branch water distribution pipes are coated with geotextile.
5. A self-cleaning roofing rainwater disconnect device of claim 4 wherein the water dispersion well is laid of bricks.
6. A self-cleaning roofing rainwater disconnect device of claim 5 wherein the first water spray holes are located at upper ends of the water spray pipes.
7. A self-cleaning roofing rainwater disconnect device of claim 6 wherein the second spray holes are located at the upper ends of the spray legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121955828.4U CN216109413U (en) | 2021-08-19 | 2021-08-19 | Self-cleaning roof rainwater disconnection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121955828.4U CN216109413U (en) | 2021-08-19 | 2021-08-19 | Self-cleaning roof rainwater disconnection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216109413U true CN216109413U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121955828.4U Active CN216109413U (en) | 2021-08-19 | 2021-08-19 | Self-cleaning roof rainwater disconnection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216109413U (en) |
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2021
- 2021-08-19 CN CN202121955828.4U patent/CN216109413U/en active Active
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