CN212129373U - Sponge urban rainwater accumulation-diversion system - Google Patents
Sponge urban rainwater accumulation-diversion system Download PDFInfo
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- CN212129373U CN212129373U CN202020351262.3U CN202020351262U CN212129373U CN 212129373 U CN212129373 U CN 212129373U CN 202020351262 U CN202020351262 U CN 202020351262U CN 212129373 U CN212129373 U CN 212129373U
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Abstract
The sponge urban rainwater accumulation-diversion system is characterized in that a channel is arranged between every two adjacent earth surface holes, the adjacent earth surface holes are communicated through the channel, after the earth surface holes are communicated, the water can be transferred to an area with a low horizontal height due to the fact that the earth surface holes have a horizontal height difference, a small detachable unit is adopted to form the whole system, the problem can be simply and quickly found when a single unit breaks down, the maintenance cost and the operation cost are lower than those of the prior art; the system can be large or small, and is convenient to construct in different built districts, squares, factories, roads, grasslands and the like.
Description
Technical Field
The utility model belongs to the rainwater field of handling, concretely relates to sponge urban rainwater accumulates-water conservancy diversion system.
Background
Because the degree of urbanization in China is continuously improved, no matter in the process of urbanization is the construction of residential development or public infrastructures such as roads, squares and underground pipe networks, reinforced concrete is mostly adopted for hardening, the original ecology of the earth surface is thoroughly changed, rainwater resource loss is caused, the urban ecosystem is disordered, geological disasters occur occasionally, urban inland inundation, haze and heat island effects are aggravated, and once it rains for a long time, if a sewer cannot timely and smoothly drain rainwater, serious urban inland inundation can occur. In municipal water treatment process, a large amount of rainwater also can get into water treatment system, not only can cause water treatment system unstability, still can improve water plant cost greatly, and the maintenance water in urban operation in-process all the time is the highest in each item of city greenery patches maintenance cost, and it is a huge waste to carry out the greenery patches maintenance with municipal tap water again.
At present, the country carries out the construction of 'sponge cities', popularizes and applies low-influence development and construction modes, can effectively relieve urban waterlogging, reduces urban runoff pollution load, saves water resources, and protects and improves urban ecological environment. Wherein, the rainwater retaining module is slowly being widely used along with the propulsion in sponge city. However, the existing rainwater storage modules are boxes assembled by structural plates formed by polypropylene injection molding, a certain number of plastic modules form a matrix and are buried underground to form a huge water storage tank, impermeable geotextile or one-way permeable geotextile is wrapped around the water storage tank according to engineering requirements, and the rainwater storage tank can be used as a water storage tank or a permeable flood control tank with two different functions. The rainwater water storage module solves the problems of rainwater storage, and has the problems of large occupied area, matched facilities for use, high use and maintenance cost and the like in actual use.
CN105133718B discloses a water guide system applied to a sponge city ecological ground system and a construction method, the water guide system comprises a water guide unit consisting of a plurality of water guide pipes, a water guide cover for blocking an opening at the upper end of the water guide pipe and the like, but the water guide cover has high reconstruction degree on the existing roads and squares due to high construction difficulty and can not store water in situ well; CN204940474U discloses a water permeable device applied in a sponge urban ecological ground system, which, although it discloses a water permeable device, is limited to permeating water underground, does not collect rainwater in situ, does not collect filtered water, and has no effect of diversion on rainwater diversion and transportation; CN105297645B discloses a sponge city rainwater stagnation storage and seepage purification drainage system pipe fitting and a construction method thereof, wherein a pipeline setting mode is adopted to guide rainwater, and the construction difficulty is high. Therefore, the existing sponge city construction process is high in investment, large in occupied area and unsustainable in operation, and due to the fact that the operation cost is high, the sponge city concept is difficult to popularize.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sponge urban rainwater is accumulated-water conservancy diversion system.
In order to solve the technical problem, the utility model discloses a sponge urban rainwater accumulates-water conservancy diversion system, its characterized in that, this system includes rainwater receiving element 3, filter layer 2, soil horizon 1, adopts pile driver or manual work to excavate out earth's surface hole 10 on the soil, earth's surface hole 10 aperture is greater than rainwater receiving element 3, earth's surface hole 10 degree of depth is higher than rainwater receiving element 3 height, with rainwater receiving element 3 sets up in earth's surface hole 10, places filter layer 2 in rainwater receiving element, sets up soil horizon 3 in filter layer 2 upper portion, the filter layer is one or more in cobblestone, gravel, quartz sand, active carbon etc.; the rainwater storage unit comprises a filter cover 4 and a water receiving base 5, and the filter cover is buckled on the water receiving base;
further, the rainwater storage unit 3 comprises a filter cover 4 and a water containing base 5, the filter cover 4 is provided with a shell, the shell is of a hollow structure, uniform and/or nonuniform water permeable holes are formed in the shell, the bottom of the filter cover 4 is provided with an opening, the bottom of the filter cover 4 is placed in the water containing base 5, the water containing base 5 is of a barrel-shaped structure, the shape of the opening at the bottom of the filter cover 4 is the same as that of the bottom of the base barrel-shaped structure, and the inner diameter of the opening at the bottom of the filter cover 4 is the same as or slightly smaller than that of the bottom of the base barrel-shaped structure;
furthermore, a plurality of ground surface holes 10 are arranged in the system, the ground surface holes 10 are adjacent, an interval soil layer 11 is arranged between the adjacent ground surface holes 10, a channel 12 is arranged in the middle of the interval soil layer, and the adjacent ground surface holes are communicated through the channel 12;
furthermore, the depths of the adjacent surface holes are different, the channels 12 are communicated with the adjacent surface holes with different depths, the channels 12 are obliquely arranged, the high ends of the obliquely arranged channels 12 are communicated with the surface holes with shallow depths, and the porous low ends of the obliquely arranged channels 12 are communicated with the surface holes with deep depths;
further, the depth of the ground surface hole is calculated by taking a horizontal plane as a reference;
further, the particle sizes of the water permeable holes are sequentially increased from top to bottom;
further, the filter cover 4 is in a structure of a column, a cone, a frustum, a cuboid, a cube and the like;
further, a cover plate 41 is arranged in the middle of the filter cover 4, the shape of the cover plate 41 is the same as that of the top of the water receiving base 5, and the caliber of the cover plate 41 is larger than that of the top of the water receiving base 5;
further, the cover plate 41 is of a horizontal or obliquely downward structure;
further, the outer edge of the horizontal structure or the obliquely downward structure of the cover plate 41 has a downward bent structure 42;
furthermore, the bending structure is provided with a buckle which is clamped with the side wall of the base;
furthermore, a plurality of reinforcing ribs from bottom to top are arranged inside the side wall of the shell of the filter cover 4, and the reinforcing ribs are hollow tubes;
furthermore, the part of the hollow pipe above the horizontal plane of the cover plate is a perforated pipe, and the perforated pipe is provided with a plurality of through holes which are communicated with the water permeable holes;
further, a tree-shaped bracket is arranged in the filter cover 4;
furthermore, the tree-shaped support consists of a seat stand 6, a main pipe 7, branch pipes 8 and a flow guide pipe 9;
furthermore, the main pipe 7 is arranged on the seat stand 6, a plurality of branch pipes 8 are arranged on the main pipe 7, the branch pipes 8 are obliquely arranged upwards from the connection part of the main pipe, the branch pipes 8 are used for supporting the filter cover 4, guide pipes 9 are also arranged on the branch pipes 8, and the guide pipes 9 are communicated with part of the water permeable holes;
furthermore, a water inlet hole is formed in the main pipe; a filter screen is arranged outside the water inlet hole;
furthermore, a support groove is arranged on the filter cover 4, and the branch pipe is clamped with the support groove;
furthermore, the pipe diameters of the main pipe, the branch pipes and the flow guide pipe are arranged from large to small;
further, the water receiving base is provided with an inverted cone-shaped platform 51, and the bottom of the filter cover 41 is provided with an inverted cone structure 43 corresponding to the inverted cone-shaped platform;
further, the grain size of the water permeable holes is smaller than that of the filter material in the filter layer;
further, the rainwater storage unit is provided in a pile pit of soil, a gravel layer is buried in the pile pit, and a soil layer is provided on the gravel layer.
The utility model discloses a sponge urban rainwater is accumulated-water conservancy diversion system has a great deal of advantage:
1. the rainwater storage unit is provided with a filter cover 4 and a base, the filter cover 4 is provided with water permeable holes which can permeate rainwater, the rainwater is received by the base and is stored, so that the rainwater can permeate water and can also contain water, the rainwater storage unit is buried underground and covered with soil, the rainwater is filtered by the soil surface layer and then enters the filter cover 4, and the base stores the rainwater, so that the filtered rainwater can be collected and kept in place, and when the rainwater is dry, the rainwater stored in the base can be evaporated and utilized, so that the upper soil is kept moist;
2. the middle part of the filter cover 4 is provided with a cover plate to prevent soil and gravel from entering the base to influence the water receiving amount of the base, and the filter cover 4 can be fixedly installed to be fixed with the base to prevent sliding damage;
3. a channel is arranged between the soil layers at intervals between the adjacent ground surface holes, the channel is used for communicating the adjacent ground surface holes, after the ground surface holes are communicated, because the ground surface holes have a horizontal height difference, the water can be considered to be transferred to an area with a low horizontal height, the area can be a sloping field, and rainwater in a pit area is conveyed to the sloping field (see figure 8);
4. the periphery of the building is communicated by adopting a plurality of ground surface holes, and the precipitation around the building is led to a pond and a place near a plurality of trees by utilizing the horizontal height difference of the ground surface holes, so that the condition that the dehumidification equipment of the building is used and no water is supplied to the trees can be reduced;
5. after the pile driver is adopted for piling, the soil around the ground surface hole is compact, and the water permeability is reduced, so that the water in the soil can be better preserved;
6. the whole system is formed by adopting smaller units, the failure of a single unit can be simply and quickly found, and the maintenance cost and the operation cost are lower than those of the prior art; the system can be large or small, and is convenient to construct in different built districts, squares, factories, roads, grasslands and the like.
Drawings
Fig. 1 is a schematic diagram of a sponge urban rainwater accumulation-diversion system.
Fig. 2 is a schematic diagram of a sponge urban rainwater accumulation-diversion system.
Fig. 3 is a schematic view of a rainwater receiving unit.
Fig. 4 is a schematic view of a rainwater receiving unit.
Fig. 5 is a schematic view of a tree stent.
Fig. 6 is a schematic view of adjacent surface openings.
Fig. 7 is a schematic view of a passageway between adjacent surface openings.
Fig. 8 is a schematic diagram of a slope sponge urban rainwater accumulation-diversion system.
Fig. 9 is a schematic diagram of a sponge urban rainwater accumulation-diversion system.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," when used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1
Referring to fig. 8, the sponge urban rainwater accumulation-diversion system comprises a rainwater storage unit 3, a filter layer 2 and a soil layer 1, wherein a ground surface hole 10 is formed in the ground through pile driving or manual excavation by a pile driver, the diameter of the ground surface hole 10 is larger than that of the rainwater storage unit 3, the depth of the ground surface hole 10 is higher than that of the rainwater storage unit 3, the rainwater storage unit 3 is arranged in the ground surface hole 10, the filter layer 2 is arranged in the rainwater storage unit, the soil layer 3 is arranged on the upper portion of the filter layer 2, and the filter layer is one or more of cobblestones, gravels, quartz sand, activated carbon and the like; the rainwater storage unit comprises a filter cover 4 and a water storage base 5, the filter cover is buckled on the water storage base, the rainwater storage unit 3 comprises a filter cover 4 and a water storage base 5, the filter cover 4 is provided with a shell, the shell is of a hollow structure, holes which are uniformly and/or non-uniformly permeable are formed in the shell, the bottom of the filter cover 4 is opened, the bottom of the filter cover 4 is placed in the water storage base 5, the water storage base 5 is of a barrel-shaped structure, the shape of the bottom opening of the filter cover 4 is the same as that of the bottom of the barrel-shaped structure of the base, the inner diameter of the bottom opening of the filter cover 4 is the same as that of the bottom of the barrel-shaped structure of the base, a plurality of earth surface holes 10 are arranged in the system, the earth surface holes 10 are adjacent, a spacing soil layer 11 is arranged between the adjacent earth surface holes 10, a channel 12 is arranged in the middle of the spacing, the depth of the adjacent earth surface holes is different, the channels 12 are communicated with the adjacent earth surface holes with different depths, the channels 12 are obliquely arranged, the high ends of the channels 12 which are obliquely arranged are communicated with the earth surface holes with shallower depth, and the porous low ends of the channels 12 which are obliquely arranged are communicated with the earth surface holes with deeper depth.
After the system is arranged, the problem of large-area water accumulation does not occur in a low-lying area which collects water all the year round in rainy seasons, and the soil moisture content in a sloping field area is obviously increased, so that the problems of water accumulation and dry-season irrigation in rainy seasons of the sloping field are greatly improved.
Example 2
On the basis of embodiment 1, a plurality of reinforcing ribs from bottom to top are arranged inside the side wall of the shell of the filter cover 4, the reinforcing ribs are hollow pipes, the parts of the hollow pipes above the horizontal plane of the cover plate are perforated pipes, and the perforated pipes are provided with a plurality of through holes which are communicated with the water permeable holes.
Example 3
On the basis of embodiment 1, a tree-shaped support is arranged in the filter housing 4, the tree-shaped support is composed of a seat stand 6, a main pipe 7, branch pipes 8 and a flow guide pipe 9, the main pipe 7 is arranged on the seat stand 6, the main pipe 7 is provided with a plurality of branch pipes 8, the branch pipes 8 are arranged obliquely upwards from the connection part of the main pipe, the branch pipes 8 are used for supporting the filter housing 4, the branch pipes 8 are also provided with flow guide pipes 9, the flow guide pipes 9 are communicated with part of the water permeable holes, and the main pipe is provided with water inlet holes; and a filter screen is arranged outside the water inlet hole.
Example 4
On the basis of the embodiment 1, referring to fig. 9, rainwater around a building or a building is introduced to the vicinity of trees, so that the problem of water seepage around the building is greatly improved, meanwhile, the moisture around the trees is greatly improved, and the irrigation cost is reduced.
| Soil moisture after rain | Rainwater storage unit | Control group |
| Tree (a tree) | 28％ | 19％ |
| Building with a plurality of |
12％ | 17％ |
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields suitable for the invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and embodiments shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (10)
1. A sponge urban rainwater accumulation-diversion system is characterized by comprising a rainwater storage unit (3), a filter layer (2) and a soil layer (1), wherein a ground surface hole (10) is formed in the ground in a piling or manual digging mode through a pile driver, the aperture of the ground surface hole (10) is larger than that of the rainwater storage unit (3), the depth of the ground surface hole (10) is higher than that of the rainwater storage unit (3), the rainwater storage unit (3) is arranged in the ground surface hole (10), the filter layer (2) is arranged in the rainwater storage unit, the soil layer (1) is arranged on the upper portion of the filter layer (2), and the filter layer is one or more of cobblestones, gravels, quartz sand and activated carbon; rainwater storage unit includes filter mantle (4) and receives water base (5), the filter mantle is detained on receiving the water base, set up a plurality of earth's surface holes (10) in the system, earth's surface hole (10) are adjacent, have interval soil layer (11) between adjacent earth's surface hole (10) set up passageway (12) in the middle of the interval soil layer, passageway (12) will adjacent earth's surface hole intercommunication.
2. The sponge urban rainwater accumulation-diversion system according to claim 1, wherein said rainwater storage unit (3) comprises a filter cover (4) and a water receiving base (5), said filter cover (4) has a shell, said shell is a hollow structure, said shell has uniform and/or non-uniform water permeable holes, said filter cover (4) is open at the bottom, said filter cover (4) bottom is placed in said water receiving base (5), said water receiving base (5) is a barrel structure, said filter cover (4) bottom opening shape is the same as the base barrel structure bottom shape, said filter cover (4) bottom opening inner diameter is the same as or slightly smaller than the base barrel structure bottom inner diameter.
3. The sponge urban rainwater accumulation-diversion system according to claim 2 wherein said water permeable holes have diameters that increase from top to bottom.
4. A sponge urban rainwater accumulation-diversion system according to claim 1 wherein said adjacent surface openings have different depths, said channels (12) communicate with adjacent surface openings having different depths, said channels (12) are arranged obliquely, the upper end of the obliquely arranged channels (12) communicates with surface openings having a shallower depth, and the lower end of the obliquely arranged channels (12) communicates with surface openings having a deeper depth.
5. The sponge municipal rainwater accumulation-diversion system of claim 4 wherein said surface holes calculate depth on a horizontal level basis.
6. The sponge urban rainwater accumulation-diversion system according to claim 1, wherein said filter housing (4) is of cylindrical, pyramidal, frustum, cuboid, cubic, semi-capsule structure.
7. The sponge urban rainwater accumulation-diversion system according to claim 1, wherein a cover plate (41) is arranged in the middle of said filter cover (4), said cover plate (41) has the same shape as the top of said water-receiving base (5), and the caliber of said cover plate (41) is larger than the caliber of the top of said water-receiving base (5).
8. The sponge urban rainwater accumulation-diversion system according to claim 7, wherein the outer edge of the horizontal structure or the obliquely downward structure of said cover plate (41) has a downward bent structure (42), and said bent structure has a snap which is snapped with the side wall of the base.
9. The sponge urban rainwater accumulation-diversion system according to claim 2, wherein a plurality of reinforcing ribs from bottom to top are arranged inside the side wall of the outer shell of the filter cover (4), the reinforcing ribs are hollow tubes, the parts of the hollow tubes above the horizontal plane of the cover plate are perforated tubes, a plurality of through holes are arranged on the perforated tubes, and the through holes are communicated with the water permeable holes.
10. The sponge urban rainwater accumulation-diversion system according to claim 2, wherein a tree-shaped support is arranged in the filter cover (4), the tree-shaped support is composed of a base (6), a main pipe (7), branch pipes (8) and a diversion pipe (9), the main pipe (7) is arranged on the base (6), the branch pipes (8) are arranged on the main pipe (7), the branch pipes (8) are obliquely upwards arranged from the main pipe connection, the branch pipes (8) are used for supporting the filter cover (4), the diversion pipe (9) is further arranged on the branch pipes (8), and the diversion pipe (9) is communicated with part of the permeable holes.
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| CN202020351262.3U CN212129373U (en) | 2020-03-19 | 2020-03-19 | Sponge urban rainwater accumulation-diversion system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445378A (en) * | 2021-06-28 | 2021-09-28 | 刘洪铭 | Novel city planning method based on sponge city theory |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445378A (en) * | 2021-06-28 | 2021-09-28 | 刘洪铭 | Novel city planning method based on sponge city theory |
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