CN217557059U - Rainwater collecting and utilizing device for building roof - Google Patents
Rainwater collecting and utilizing device for building roof Download PDFInfo
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- CN217557059U CN217557059U CN202220561039.0U CN202220561039U CN217557059U CN 217557059 U CN217557059 U CN 217557059U CN 202220561039 U CN202220561039 U CN 202220561039U CN 217557059 U CN217557059 U CN 217557059U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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Abstract
The utility model discloses a rainwater is collected and is utilized device for building roof, including receiving water aqueduct ditch, perpendicular pipe in water, aqueduct, retaining pipe, infiltration pipe, inspection shaft, rainwater well, water control valve. Rainwater is guided into the soil of the green land for less than 30cm, so that the water is effectively utilized, and the water loss caused by evaporation in the prior art is avoided; rainwater slowly permeates into soil through the blind pipe, the effective water content of the soil is more than 10%, the water supply capacity for plants is ensured, the plant root system is developed, the plants grow vigorously, and the sponge benefit and the ecological benefit of the green land are improved; the rainwater is collected and utilized by oneself and is excessively drained and dredged, the collected rainwater can meet the moisture requirement of green plants, the water consumption in spring is supplemented once before the rainy season every year under normal conditions, the later maintenance basically does not need the interference of human factors, the moisture utilization rate is high, the water consumption is low, the unit water consumption can be saved by 75-85% compared with the conventional greening, and the water-saving effect is remarkable.
Description
Technical Field
The utility model relates to a device that the rainwater was collected and was utilized specifically is a rainwater is collected and is utilized device for building the roof, especially relates to one kind and collects and utilize the facility device in the greenery patches in reclamation land area building roof rainwater, in particular to one kind be used for coastal reclamation saline and alkaline urban area house building body roof rainwater directly to collect and utilize and wash salt and watering in saline and alkaline greenery patches, belongs to the low-cost system pipe network facility technical field who practices thrift fresh water.
Background
The coastal dredger fill is deposited soil formed by hydraulic dredger fill by using seabed mud dredged out offshore. Because no soil forming process occurs and is influenced by seawater immersion for a long time, the salt content of the soil is extremely high, the salt content of the soil at the initial stage of hydraulic fill can reach more than 80g/kg, and the salt content is reduced along with the increase of the hydraulic fill age, but because the hydraulic fill is sticky in texture, poor in structure, extremely low in natural desalting rate and extremely long in desalting period, the salt content of the surface soil of the hydraulic fill can be reduced to less than 20g/kg after a long time of 7 to 10 years.
Therefore, large water is needed for washing and desalting the greening soil in the hydraulic fill area, fresh water is needed for irrigation in maintenance management after the greenbelts are built, the fresh water resources in China are deficient, the limited fresh water resources are effectively utilized in drinking water which is needed most urgently and agricultural production, and industrial and other ecological water can open up a new path. The rainwater collection and utilization is an effective utilization way of natural resources, particularly in sponge city construction, related indexes of rainwater utilization are required to be achieved, all building roofs can be used for rainwater collection and directly guided into peripheral green lands for irrigation, sewage treatment is not needed, and the rainwater collection and utilization device is a most economical, effective and low-cost rainwater utilization mode and facility device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rainwater collection utilizes device for building roof just in order to solve the problem, realizes among the sponge city construction, and the rainwater is collected and is utilized, satisfies the resource cyclic utilization saving type that current city ecological construction advocated, also realizes the purpose of hydraulic reclamation saline and alkaline land salt-washing desalination improvement soil simultaneously.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a rainwater collection and utilization device for building roof comprises
The water collecting and guiding pipe ditches are arranged at the four sides of the building roof;
the vertical downpipe is vertically arranged on the outer wall of the building, and the upper end of the vertical downpipe is communicated with the water collecting and guiding pipe ditch on one side edge of the vertical downpipe;
the water guide pipe is buried under the ground of the road and communicated with the bottom end of the vertical downpipe;
the green land water guide and supply system pipe network consists of a water storage pipe which is buried under the ground of a green land and is arranged in a vertical shape with the water guide pipe, and a water seepage pipe which is buried under the ground of the green land and is arranged in a vertical shape with the water storage pipe, wherein the water guide pipe is communicated with a pipe body of the water storage pipe, and the water seepage pipe is communicated with the pipe body of the water storage pipe.
As a further aspect of the present invention: the length of the water receiving and guiding pipe ditch is determined according to the length and the width of the building body.
As a further aspect of the present invention: the vertical downpipe is made of PVC, the thickness is greater than 6mm, the pipe diameter is 100-150 mm, the hardness is greater than or equal to 90 degrees, and the length is determined according to the height of a building.
As a further aspect of the present invention: the water guide pipe is made of PVC, the thickness is greater than 6mm, the pipe diameter is 100mm, the hardness is greater than or equal to 90 degrees, and the length is determined according to the distance from the corner bottom of the building to the water storage pipe at the edge of the green land through the road surface of the road.
As a further aspect of the present invention: the water storage pipe of the greenbelt water guide and supply system pipe network is a first-level PE pipe, the water storage pipe is made of PE, the thickness is larger than 8mm, the pipe diameter is 200mm, the hardness is larger than or equal to 90 degrees, the length is determined by paving the pipe in the greenbelt to a catch basin, an inspection well built according to the conventional requirement is arranged in the water storage pipe, and a water control valve is installed at the tail end of the water storage pipe and connected into the catch basin built according to the conventional requirement.
As the utility model discloses further scheme again: the water seepage pipes of the greenbelt water guide and supply system pipe network are secondary double-wall corrugated water seepage blind pipes, the water seepage pipes are made of PVC, the thickness is larger than 6mm, the pipe diameter is 100mm, the hardness is larger than or equal to 90 degrees, the length is determined by the length arranged in the greenbelt, a plurality of water seepage pipes are arranged at intervals of 10-20 m, and a 10-15 cm rock nitrate filter layer is wrapped around each water seepage pipe.
The beneficial effects of the utility model are that:
1. the utility model discloses can realize collecting the utilization at house district building roof rainwater is whole, collect the rainwater and do not pollute, need not handle, directly be used for the district greenery patches watering, reduce fresh water resources, satisfy sponge city construction requirement, realize that "the rainwater of a day just supplies one land water" target. The principle of real natural accumulation, natural penetration and natural utilization of sponge city construction is embodied;
2. in residential districts and newly-built greenbelt projects, the rainwater can be used for salt washing and desalination, and reclamation saline-alkali soil is greening planting soil, so that rainwater is directly utilized and is combined with saline-alkali soil reclamation, rainwater resources are recycled, investment is low, and operation is simple and convenient;
3. the utility model improves the utilization rate of rainwater, leads the rainwater into the soil of the green land with the depth of 30cm, is exactly the main distribution layer of the root system of the garden plants of the green land, effectively utilizes the water, and avoids the water lost due to evaporation in the past from ground irrigation;
4. the utility model can keep the soil humidity and water content in a stable range because the rainwater slowly infiltrates into the soil through the blind pipe, the effective water content of the soil is more than 10 percent, the water supply capacity for the plant is ensured, the plant root system is developed, the plant grows vigorously, and the sponge benefit and the ecological benefit of the green land are improved;
5. the utility model discloses utilize the rainwater time mainly be the rainy season, need the water phase unanimous with vegetation almost, only special arid year need water outside beginning spring and before freezing, utilize the rainwater in the green space maintenance management of later stage almost, practice thrift a large amount of fresh water, also reduce the maintenance cost, present green space maintenance cost, water charge accounts for maintenance cost 40-50%. The utility model saves water cost by 70-80%, has less investment and simple and convenient operation, and is a rainwater collection and utilization mode which is worth popularizing with low cost;
6. the utility model discloses can realize collecting by oneself, utilizing and excessive row of rainwater and dredge, the rainwater of collection can satisfy the moisture demand of afforestation plant, under normal condition every year only need before the rainy season once supply the spring water consumption can, the later stage maintenance does not basically need human factor's interference, and moisture utilization rate is high, and the water consumption is little, and 75% -85% can be practiced thrift in more conventional afforestation to unit water consumption, and the water conservation effect is showing.
Drawings
FIG. 1 is a schematic side view of the present invention;
fig. 2 is a schematic view of the top view structure of the present invention.
In the figure: 1. the system comprises a water collecting water guide pipe ditch, 2 vertical downpipes, 3 water guide pipes, 4 water storage pipes, 5 water seepage pipes, 6 inspection wells, 7 catch basins, 8 water control valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example one
Referring to fig. 1-2, a rainwater collecting and utilizing device for building roof includes
The water collecting and guiding pipe ditch 1 is arranged at the four sides of the roof of the building;
the vertical downpipe 2 is vertically arranged on the outer wall of the building, and the upper end of the vertical downpipe is communicated with the water collecting and guiding pipe ditch 1 on one side edge of the vertical downpipe;
the water guide pipe 3 is buried under the ground of the road and communicated with the bottom end of the vertical downpipe 2;
the greenbelt water guide and supply system pipe network comprises a water storage pipe 4 which is buried under the greenbelt ground and is vertical to the water guide pipe 3, and a water seepage pipe 5 which is buried under the greenbelt ground and is vertical to the water storage pipe 4, wherein the water guide pipe 3 is communicated with a pipe body of the water storage pipe 4, and the water seepage pipe 5 is communicated with the pipe body of the water storage pipe 4.
In the embodiment of the present invention, the length of the water collecting and guiding trench 1 is determined according to the length and width of the building.
In the embodiment of the utility model, the perpendicular pipe in water 2 material is PVC, and thickness >6mm, the pipe diameter is 100 ~ 150mm, and hardness is more than or equal to 90, and length is according to the high decision of building.
The embodiment of the utility model provides an in, 3 materials of aqueduct are PVC, and thickness >6mm, and the pipe diameter is 100mm, and hardness is more than or equal to 90, and length foundation passes the distance of the water storage pipe 4 at road surface arrival greenery patches edge from the floor angle end and confirms.
The embodiment of the utility model provides an in, the water storage pipe 4 of greenery patches water guide water supply system pipe network is one-level PE pipe, just the 4 materials of water storage pipe are PE, and thickness >8mm, and the pipe diameter is 200mm, and hardness is greater than or equal to 90, and length is confirmed by laying rainwater well 7 in the greenery patches, just be provided with the inspection shaft 6 of building according to conventional requirement in the water storage pipe 4, water control valve 8 is installed to the end of water storage pipe 4 to the access rainwater well 7 of building according to conventional requirement.
The embodiment of the utility model provides an in, infiltration pipe 5 of greenery patches water guide water supply system pipe network is second grade double-walled ripple infiltration blind pipe, infiltration pipe 5 material is PVC, and thickness >6mm, pipe diameter are 100mm, and hardness is greater than or equal to 90, and length is by arranging length decision in the greenery patches, just infiltration pipe 5 interval 10 ~ 20m is provided with a plurality of, every it has 10 ~ 15 cm's nitre filtering layer to wrap around infiltration pipe 5.
Example two
Referring to fig. 1-2, a rainwater collecting and utilizing device for building roof includes the following steps:
the first step is as follows: the roof of the building body collects rainwater through the four water collecting and guiding pipe ditches 1: if the roof is a sloping roof, also called a sloping roof, the roof is a roof with the drainage gradient generally larger than 3 percent and is easy to collect rainwater; if the roof is a plane roof, the slope is generally within the range of 1% -3%, so that the roof is not accumulated with water when raining, water collecting water guide pipe ditches 1 are distributed on the four sides of the roof, and rainwater is guided into the vertical downpipe 2 through the holes. According to the length of the whole building, determining that all vertical downpipes 2 on one side close to the green land of a community are buried in the ground by 30 cm;
the second step: the vertical pipe is embedded in a position 30cm away from the ground and is connected with the water guide pipe 3 penetrating through the ground by an elbow, rainwater enters the output end and is designed to be 3 per thousand from high to low gradient, one end of the water guide pipe 3, which is led into a green land water guide system, is connected with the pipe wall of the water storage pipe 4 by drilling, a hole with the diameter same as the outer diameter of the water guide pipe 3 is drilled on the water storage pipe 4, the water guide pipe 3 is inserted into the water storage pipe 4 and is inserted into the middle of the pipe, the joint of the two pipes is tightly sealed by special sealing glue, and all the water guide pipes 3 and the water storage pipe 4 are connected in the way or in a tee joint;
the third step: the water seepage pipes 5 are laid under the position 30cm away from the ground in the green land system, the pipe spacing is 10-20 cm, the water guide pipes are connected into the water storage pipe 4, the connection mode is the same as that of the water storage pipe 4, holes with the diameter identical to the outer diameter of the water seepage pipes 5 are drilled in the water storage pipe 4, the water seepage pipes 5 are inserted into the water storage pipe 4 and enter the middle of the pipes, the connection positions of the two pipes are tightly sealed by special sealing glue, the water storage pipe 4 is connected with all the water seepage pipes 5 in the way, and the three-way connection can also be adopted. The slope direction is from the high end of the water storage pipe 4 to the low end of the water seepage pipe 5, the slope is 1-2 per mill, the slope of the water storage pipe 4 from top to bottom is 2-3 per mill, the inspection well 6 is arranged in the middle, and finally the water storage pipe is connected into a rainwater well 7 of a residential area, so that a building roof rainwater collecting and utilizing system is formed;
the fourth step: the output end of the water storage pipe 4 is provided with an automatically-adjusted water control valve 8, when the rainwater of the diode and the water storage pipe 4 is not full, the water control valve 8 is closed, only the water storage pipe 4 and the water seepage pipe 5 are full of rainwater, the water control valve 8 is automatically opened after saturation, and redundant rainwater flows into the rainwater well 7. The rainwater on the roof of the residential area can be directly guided into the greenbelt as a water source for greenbelt plants, and the rainwater falling onto the roof of the greenbelt can be almost completely collected and directly utilized.
The working principle is as follows: the rainwater on the roof is collected and guided into the greenbelt to serve as a water source for greenbelt plants, almost all the rainwater falling onto the roof is collected and directly utilized, the rainwater is collected, utilized and excessively drained automatically, the collected rainwater can meet the water requirement of the greenbelt plants, the water consumption of spring can be supplemented once before the rainy season under normal conditions every year, the later-stage maintenance basically does not need the interference of human factors, the water utilization rate is high, the water consumption is small, the unit water consumption can be saved by 75% -85% compared with the conventional greening, and the water saving effect is remarkable.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (6)
1. The utility model provides a rainwater is collected and is utilized device for building roof which characterized in that: comprises that
The water collecting and guiding pipe ditch (1) is arranged at the four sides of the roof of the building;
the vertical downpipe (2) is vertically arranged on the outer wall of the building, and the upper end of the vertical downpipe is communicated with the water collecting and guiding pipe ditch (1) on one side edge of the vertical downpipe;
the water guide pipe (3) is buried under the ground of the road and communicated with the bottom end of the vertical downpipe (2);
the greenery patches water guide water supply system pipe network comprises a water storage pipe (4) which is buried under the greenery patches ground and is vertical to the water guide pipe (3), and a water seepage pipe (5) which is buried under the greenery patches ground and is vertical to the water storage pipe (4), wherein the water guide pipe (3) is communicated with a pipe body of the water storage pipe (4), and the water seepage pipe (5) is communicated with the pipe body of the water storage pipe (4).
2. A rainwater harvesting and utilizing apparatus for use in a roof of a building according to claim 1 and further comprising: the length of the water collecting and guiding pipe ditch (1) is determined according to the length and the width of a building body.
3. A rainwater harvesting and utilizing apparatus for use in a roof of a building according to claim 1 and further comprising: the vertical downpipe (2) is made of PVC, the thickness is larger than 6mm, the pipe diameter is 100-150 mm, the hardness is larger than or equal to 90 degrees, and the length is determined according to the height of a building.
4. A rainwater harvesting and utilizing apparatus for a roof of a building according to claim 1 and further comprising: the water guide pipe (3) is made of PVC, the thickness is more than 6mm, the pipe diameter is 100mm, the hardness is more than or equal to 90 degrees, and the length is determined according to the distance from the floor corner bottom to the water storage pipe (4) which penetrates through the road surface to reach the edge of the green land.
5. A rainwater harvesting and utilizing apparatus for use in a roof of a building according to claim 1 and further comprising: the water storage pipe (4) of the greenbelt water guide and supply system pipe network is a first-level PE pipe, the water storage pipe (4) is made of PE, the thickness of the water storage pipe is larger than 8mm, the pipe diameter of the water storage pipe is 200mm, the hardness of the water storage pipe is larger than or equal to 90 degrees, the length of the water storage pipe is determined by paving the rainwater well (7) in the greenbelt, an inspection well (6) is arranged in the water storage pipe (4), and a water control valve (8) is installed at the tail end of the water storage pipe (4) and is connected into the rainwater well (7).
6. A rainwater harvesting and utilizing apparatus for use in a roof of a building according to claim 1 and further comprising: the water seepage pipes (5) of the greenbelt water guide and supply system pipe network are two-stage double-wall corrugated water seepage blind pipes, the water seepage pipes (5) are made of PVC, the thickness is more than 6mm, the pipe diameter is 100mm, the hardness is more than or equal to 90 degrees, the length is determined by the arrangement length in the greenbelt, a plurality of water seepage pipes (5) are arranged at intervals of 10-20 m, and a saltpeter filter layer of 10-15 cm is wrapped around each water seepage pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220561039.0U CN217557059U (en) | 2022-03-15 | 2022-03-15 | Rainwater collecting and utilizing device for building roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220561039.0U CN217557059U (en) | 2022-03-15 | 2022-03-15 | Rainwater collecting and utilizing device for building roof |
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| Publication Number | Publication Date |
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| CN217557059U true CN217557059U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220561039.0U Active CN217557059U (en) | 2022-03-15 | 2022-03-15 | Rainwater collecting and utilizing device for building roof |
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| CN (1) | CN217557059U (en) |
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2022
- 2022-03-15 CN CN202220561039.0U patent/CN217557059U/en active Active
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