CN109372077B - Water storage structure with anti-overflow function for sponge city - Google Patents
Water storage structure with anti-overflow function for sponge city Download PDFInfo
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- CN109372077B CN109372077B CN201811273542.0A CN201811273542A CN109372077B CN 109372077 B CN109372077 B CN 109372077B CN 201811273542 A CN201811273542 A CN 201811273542A CN 109372077 B CN109372077 B CN 109372077B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
Abstract
The invention provides a water storage structure with an anti-overflow function for a sponge city, which comprises a water storage pool structure, a rubber sleeve layer and a second geotextile layer; the top end face of the water storage pool structure surrounds a layer of the kerbstone stop block; the part above the center of the inner end of the reservoir structure is fixedly connected with a layer of stop block structure, and the thickness of the stop block structure is smaller than the wall thickness of the reservoir structure; the top end surface of the first geotextile layer is covered with the gravel layer; the top end face of the gravel layer is covered with the green plant planting layer. The cavity between the thick circular tube structure and the thin circular tube structure forms a siphon, when the water surface is higher than the top end of the thick circular tube structure, the siphon condition (referring to the principle of 'highway cup') is met, under the siphon action, rainwater stored in the reservoir structure continuously flows out along the thick circular tube structure and the thin circular tube structure, finally, rainwater stored in the reservoir structure can be remained by a thin layer, and therefore the overflow phenomenon of the water storage structure can be avoided.
Description
Technical Field
The invention belongs to the technical field of sponge cities, and particularly relates to a water storage structure with an anti-overflow function for a sponge city.
Background
The sponge city is a new generation of urban rainfall flood management concept, is a water storage structure in the sponge city, and has the main function of buffering urban drainage pressure by temporarily storing rainwater under the condition of rainstorm; the rainwater storage daily provides water resources for green plants, fire rescue and the like planted in cities, and makes full use of natural resources.
However, when under the torrential rain condition, the water level in the cistern that sponge city underground set up rises too fast, because of most of cisterns do not have drainage device or the drainage device who adds needs manual operation control, under the torrential rain condition, the water level that rises fast will reach the limit that the cistern can be stored very fast, then the rainwater still continuously permeates to in the cistern, cause the cistern in the rainwater to spill over to the green planting layer etc. that causes a large amount of soil above it runs off and the green planting waterlogging of planting causes the death.
Disclosure of Invention
In order to solve the technical problems, the invention provides a water storage structure with an anti-overflow function for a sponge city, which aims to solve the problems that the water level in a reservoir arranged underground in the sponge city rises too fast under a heavy rain condition, the water level which rises fast can reach the storage limit of the reservoir under the heavy rain condition because most reservoirs do not have drainage devices or the added drainage devices need manual operation control, then rainwater overflows in the reservoir due to continuous penetration into the reservoir, and a large amount of soil is lost and planted greenery plants are excessively flooded, so that death is caused.
The invention is used for the purpose and the effect of a water storage structure with an anti-overflow function in a sponge city, and is achieved by the following specific technical means:
the water storage structure with the anti-overflow function for the sponge city comprises a water storage pool structure, a block structure, a drain hole, a curb block, a green planting layer, a gravel layer, a first geotextile layer, a blocking block, a first circular through hole, a second circular through hole, a water absorption cotton sliver, a thick circular tube structure, a sealing structure, a notch structure, a thin circular tube structure, a rubber sleeve layer and a second geotextile layer; the top end face of the water storage pool structure surrounds a layer of the kerbstone stop block; the part above the center of the inner end of the reservoir structure is fixedly connected with a layer of stop block structure, and the thickness of the stop block structure is smaller than the wall thickness of the reservoir structure; the inner end of the impounding reservoir structure is provided with one blocking stone block, and the outer contour dimension of the transverse section of the blocking stone block is consistent with the inner contour dimension of the transverse section of the impounding reservoir structure; the bottom end face of the blocking stone block is in contact with the top end face of the stop block structure; a plurality of first circular through holes are formed in the middle area of the blocking stone block at intervals; the left edge area and the right edge area of the blocking stone block are provided with a plurality of second circular through holes at intervals; the diameter of the second round through hole is smaller than that of the first round through hole; the top end face of the barrier block is paved with a first geotextile layer; the top end surface of the first geotextile layer is covered with the gravel layer; the top end face of the gravel layer is covered with the green plant planting layer.
Furthermore, the absorbent cotton slivers are arranged in the green planting layer, and the number of the absorbent cotton slivers is consistent with that of the second circular through holes;
furthermore, one end of the water absorption cotton sliver is positioned in the green plant planting layer, and the other end of the water absorption cotton sliver penetrates through the second circular through hole and is separated from the bottom surface of the inner end of the reservoir structure by one centimeter;
furthermore, the middle area of the bottom end face of the reservoir structure is provided with a plurality of drain holes at intervals, and the drain holes are communicated with the bottom face of the inner end of the reservoir structure;
furthermore, the drainage hole is fixedly connected with a thin circular tube structure in a sealing manner through a group of rubber sleeve layers; the bottom end surface of the thin circular tube structure and the bottom end surface of the reservoir structure are positioned on the same horizontal plane; the top end of the thin circular tube structure is positioned at the inner end of the reservoir structure, and the top end of the thin circular tube structure is lower than the bottom end surface of the stop block structure;
furthermore, the periphery of the thin circular tube structure is sleeved with the thick circular tube structure; the inner diameter of the thick circular tube structure is larger than the outer diameter of the thin circular tube structure; the top opening end of the thick circular tube structure is embedded with the sealing structure, and the sealing structure seals the top opening end of the thick circular tube structure; the bottom end surface of the thick circular tube structure is in an annular array shape and is provided with two notch structures;
further, the bottom end face of the thick circular tube structure is in contact with the bottom face of the inner end of the reservoir structure, and the top end of the thick circular tube structure is lower than the bottom end face of the stop block structure; the bottom end face of the sealing structure embedded in the opening end of the top of the thick circular tube structure is higher than the top end of the thin circular tube structure;
further, the bottom end face of the reservoir structure is provided with a second geotextile layer.
Compared with the prior art, the invention has the following beneficial effects:
during rainstorm, the water level in the reservoir structure gradually rises, the thick circular tube structure is sleeved on the periphery of the thin circular tube structure, and the inner diameter of the thick circular tube structure is larger than the outer diameter of the thin circular tube structure; the top opening end of the thick circular tube structure is embedded with the sealing structure, and the sealing structure seals the top opening end of the thick circular tube structure; the bottom end surface of the thick circular tube structure is in an annular array shape and is provided with two notch structures, the bottom end surface of the thick circular tube structure is in contact with the bottom surface of the inner end of the reservoir structure, and the top end of the thick circular tube structure is lower than the bottom end surface of the stop block structure; the mosaic of thick tubular construction open-top end seal structure bottom face is higher than the top of thin tubular construction, so cavity between thick tubular construction and the thin tubular construction constitutes a siphon, is higher than behind thick tubular construction top when the surface of water, satisfies the siphon condition (can refer to "highway cup" principle), and under the siphon effect, the rainwater of the storage in the cistern structure will be followed thick tubular construction and thin tubular construction and continuously flows out, and the rainwater of the storage in the final cistern structure will remain thin one deck to can avoid the retaining structure to appear spilling over the phenomenon.
The water-absorbing cotton strips are arranged in the green plant planting layer, the number of the water-absorbing cotton strips is consistent with that of the second circular through holes, one end of each water-absorbing cotton strip is positioned in the green plant planting layer, the other end of each water-absorbing cotton strip penetrates through the second circular through holes and is spaced from the bottom surface of the inner end of the water storage pool structure by one centimeter, so that rainwater stored at the inner end of the water storage pool structure can provide water resources required by growth for green plants planted in the green plant planting layer through the capillary action of the water-absorbing cotton strips in daily use.
Drawings
FIG. 1 is a schematic view of the internal cross-section of the present invention.
Fig. 2 is a schematic diagram of the inner section structure of the blocking stone block of the invention.
Fig. 3 is a schematic view of the inner section of the reservoir structure of the present invention.
FIG. 4 is a schematic diagram of the inner cross-sectional structure of the thick circular tube structure and the thin circular tube structure according to the present invention.
FIG. 5 is a schematic view of another angle inner section structure of the thick circular tube structure and the thin circular tube structure in FIG. 4 according to the present invention.
Fig. 6 is a schematic view of the bottom structure of the thick circular tube structure of the present invention.
Fig. 7 is a schematic diagram of the top rainwater flow structure of the pipe structure with the horizontal plane higher than the thick circular pipe.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-reservoir structure, 101-block structure, 102-drainage hole, 2-curb block, 3-green planting layer, 4-gravel layer, 5-first geotextile layer, 6-blocking stone, 601-first circular through hole, 602-second circular through hole, 7-absorbent cotton sliver, 8-thick circular tube structure, 801-sealing structure, 802-notch structure, 9-thin circular tube structure, 10-rubber sleeve layer, and 11-second geotextile layer.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like 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 "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 7:
the invention provides a water storage structure with an anti-overflow function for a sponge city, which comprises: the water storage tank structure comprises a water storage tank structure 1, a block structure 101, a water drainage hole 102, a curb block 2, a green planting layer 3, a gravel layer 4, a first geotextile layer 5, a blocking stone 6, a first circular through hole 601, a second circular through hole 602, a water absorbent cotton sliver 7, a thick circular tube structure 8, a sealing structure 801, a notch structure 802, a thin circular tube structure 9, a rubber sleeve layer 10 and a second geotextile layer 11; the top end face of the reservoir structure 1 is surrounded by a layer of curb block 2; a layer of stop block structure 101 is fixedly connected to the upper part of the center of the inner end of the reservoir structure 1, and the thickness of the stop block structure 101 is smaller than that of the reservoir structure 1; the inner end of the impounding reservoir structure 1 is provided with a blocking stone block 6, and the external contour dimension of the transverse section of the blocking stone block 6 is consistent with the internal contour dimension of the transverse section of the impounding reservoir structure 1; the bottom end surface of the blocking stone block 6 is contacted with the top end surface of the stop block structure 101; a plurality of first circular through holes 601 are formed in the middle area of the blocking stone block 6 at intervals; a plurality of second circular through holes 602 are formed in the left edge area and the right edge area of the blocking stone block 6 at intervals; the diameter of the second circular through hole 602 is smaller than that of the first circular through hole 601; a first geotextile layer 5 is laid on the top end face of the barrier stone block 6; the top end surface of the first geotextile layer 5 is covered with a gravel layer 4; the top end surface of the gravel layer 4 is covered with a green plant planting layer 3.
Wherein, the absorbent cotton slivers 7 are arranged in the green planting layer 3, and the number of the absorbent cotton slivers 7 is consistent with that of the second circular through holes 602.
Wherein, the absorbent cotton sliver 7 one end is located inside the green planting layer 3, and the other end passes through the second circular through hole 602 and is separated by one centimeter from the bottom surface of the inner end of the reservoir structure 1, so that the rainwater stored at the inner end of the reservoir structure 1 can provide the water resource required by growth for the green plants planted in the green planting layer 3 through the capillary action of the absorbent cotton sliver 7.
Wherein, the middle area of the bottom end face of the reservoir structure 1 is provided with a plurality of water discharge holes 102 at intervals, which are communicated with the bottom face of the inner end of the reservoir structure 1.
Wherein, a thin circular tube structure 9 is fixedly connected in the drain hole 102 in a sealing way through a group of rubber sleeve layers 10; the bottom end surface of the thin circular tube structure 9 and the bottom end surface of the reservoir structure 1 are in the same horizontal plane; the top end of the thin circular tube structure 9 is positioned at the inner end of the reservoir structure 1, and the top end of the thin circular tube structure 9 is lower than the bottom end surface of the stop block structure 101.
Wherein, the periphery of the thin circular tube structure 9 is sleeved with a thick circular tube structure 8; the inner diameter of the thick circular tube structure 8 is larger than the outer diameter of the thin circular tube structure 9; a sealing structure 801 is embedded in the top opening end of the thick circular tube structure 8, and the sealing structure 801 seals the top opening end of the thick circular tube structure 8; the bottom end surface of the thick circular tube structure 8 is provided with two notch structures 802 in an annular array shape, and the notch structures 802 and the sealing structure 801 are all arranged to enable a cavity between the thick circular tube structure 8 and the thin circular tube structure 9 to form a siphon.
The bottom end surface of the thick circular tube structure 8 is in contact with the bottom surface of the inner end of the reservoir structure 1, and the top end of the thick circular tube structure 8 is lower than the bottom end surface of the stop block structure 101; the bottom end face of the sealing structure 801 inlaid at the top opening end of the thick circular tube structure 8 is higher than the top end of the thin circular tube structure 9, the thick circular tube structure 8 is sleeved on the periphery of the thin circular tube structure 9, a siphon is formed by cavities between the thin circular tube structure and the thick circular tube structure, and after the water surface is higher than the top end of the thick circular tube structure 8, the siphon condition is met (the principle of 'highway cup' can be referred to).
Wherein, the bottom end face of the reservoir structure 1 is provided with a second geotextile layer 11, which plays a role in preventing soil below the reservoir structure 1 from blocking the drain hole 102 and the thin circular tube structure 9.
When in use: during ordinary rainfall, rainwater passes through the green planting layer 3 and then is filtered by the gravel layer 4 to filter a small amount of soil in the green planting layer 3 carried by the flowing rainwater, then the rainwater is filtered by the gravel layer 4 and then permeates through the first geotextile layer 5, and then flows into the inner end of the reservoir structure 1 through the second circular through hole 602 to be stored, and the arrangement of the first geotextile layer 5 can prevent fine gravel in the gravel layer 4 from blocking the second circular through hole 602;
in a daily state, one end of the absorbent cotton strip 7 is positioned inside the green plant planting layer 3, and the other end of the absorbent cotton strip passes through the second circular through hole 602 and is spaced from the bottom surface of the inner end of the reservoir structure 1 by one centimeter, so that rainwater stored at the inner end of the reservoir structure 1 can provide water resources required by growth for green plants planted in the green plant planting layer 3 through the capillary action of the absorbent cotton strip 7;
during rainstorm, the water level in the reservoir structure 1 gradually rises, the thick circular tube structure 8 is sleeved on the periphery of the thin circular tube structure 9, and the inner diameter of the thick circular tube structure 8 is larger than the outer diameter of the thin circular tube structure 9; a sealing structure 801 is embedded in the top opening end of the thick circular tube structure 8, and the sealing structure 801 seals the top opening end of the thick circular tube structure 8; the bottom end surface of the thick circular tube structure 8 is in an annular array shape and is provided with two notch structures 802, the bottom end surface of the thick circular tube structure 8 is in contact with the bottom surface of the inner end of the water storage tank structure 1, and the top end of the thick circular tube structure 8 is lower than the bottom end surface of the stop block structure 101; the bottom end face of the sealing structure 801 embedded in the top opening end of the thick circular tube structure 8 is higher than the top end of the thin circular tube structure 9, so that a siphon is formed by a cavity between the thick circular tube structure 8 and the thin circular tube structure 9, when the water surface is higher than the top end of the thick circular tube structure 8, a siphon condition (referring to the principle of 'highway cup') is met, rainwater stored in the reservoir structure 1 continuously flows out along the thick circular tube structure 8 and the thin circular tube structure 9 under the siphon action, finally, a thin layer of rainwater is left in the reservoir structure 1, and therefore the overflow phenomenon of the reservoir structure can be avoided; rainwater siphoned and extracted by the thick circular tube structure 8 and the thin circular tube structure 9 is drained out of the drain hole 102, and the soil below the reservoir structure 1 can be prevented from blocking the drain hole 102 and the thin circular tube structure 9 by the second geotextile layer 11 arranged on the bottom end face of the reservoir structure 1.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
1. A retaining structure that is used for sponge city to possess anti-overflow function, its characterized in that: this be used for sponge city to possess retaining structure of anti-overflow function includes: the water storage tank structure comprises a water storage tank structure (1), a block structure (101), a water drainage hole (102), a curb block (2), a green planting layer (3), a gravel layer (4), a first geotextile layer (5), a blocking stone block (6), a first circular through hole (601), a second circular through hole (602), a water absorption cotton sliver (7), a thick circular tube structure (8), a sealing structure (801), a notch structure (802), a thin circular tube structure (9), a rubber sleeve layer (10) and a second geotextile layer (11); the top end face of the water storage pool structure (1) surrounds a layer of the kerbstone stop blocks (2); the part of the inner end of the impounding reservoir structure (1), which is on the upper center, is fixedly connected with a layer of block structure (101), and the thickness of the block structure (101) is smaller than the wall thickness of the impounding reservoir structure (1); the inner end of the impounding reservoir structure (1) is provided with the blocking stone block (6), and the external contour dimension of the transverse section of the blocking stone block (6) is consistent with the internal contour dimension of the transverse section of the impounding reservoir structure (1); the bottom end surface of the blocking stone block (6) is in contact with the top end surface of the stop block structure (101); a plurality of first circular through holes (601) are formed in the middle area of the blocking stone block (6) at intervals; the left edge area and the right edge area of the blocking stone block (6) are provided with a plurality of second circular through holes (602) at intervals; the diameter of the second circular through hole (602) is smaller than that of the first circular through hole (601); the top end face of the barrier stone block (6) is paved with a first geotextile layer (5); the top end surface of the first geotextile layer (5) is covered with the gravel layer (4); the top end surface of the gravel layer (4) is covered with the green plant planting layer (3); the water absorption cotton slivers (7) are arranged in the green plant planting layer (3), and the number of the water absorption cotton slivers (7) is consistent with that of the second circular through holes (602); one end of the water absorption cotton sliver (7) is positioned in the green plant planting layer (3), and the other end of the water absorption cotton sliver passes through the second circular through hole (602) and is separated from the bottom surface of the inner end of the reservoir structure (1) by one centimeter; the middle area of the bottom end surface of the reservoir structure (1) is provided with a plurality of drain holes (102) communicated with the bottom surface of the inner end of the reservoir structure (1) at intervals; the inside of the drain hole (102) is fixedly connected with the thin circular tube structure (9) in a sealing way through a group of rubber sleeve layers (10); the bottom end surface of the thin circular tube structure (9) and the bottom end surface of the water storage pool structure (1) are positioned on the same horizontal plane; the top end of the thin circular tube structure (9) is positioned at the inner end of the water storage pool structure (1), and the top end of the thin circular tube structure (9) is lower than the bottom end surface of the stop block structure (101); the periphery of the thin circular tube structure (9) is sleeved with the thick circular tube structure (8); the inner diameter of the thick circular pipe structure (8) is larger than the outer diameter of the thin circular pipe structure (9); the top opening end of the thick circular tube structure (8) is embedded with the sealing structure (801), and the sealing structure (801) seals the top opening end of the thick circular tube structure (8); the bottom end surface of the thick circular tube structure (8) is in an annular array shape and is provided with two notch structures (802); the bottom end surface of the thick circular tube structure (8) is in contact with the bottom surface of the inner end of the water storage pool structure (1), and the top end of the thick circular tube structure (8) is lower than the bottom end surface of the stop block structure (101); the bottom end surface of the sealing structure (801) embedded in the opening end of the top of the thick circular tube structure (8) is higher than the top end of the thin circular tube structure (9); the bottom end face of the reservoir structure (1) is provided with a second geotextile layer (11).
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| CN201811273542.0A CN109372077B (en) | 2018-10-30 | 2018-10-30 | Water storage structure with anti-overflow function for sponge city |
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| CN201811273542.0A CN109372077B (en) | 2018-10-30 | 2018-10-30 | Water storage structure with anti-overflow function for sponge city |
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| CN110258624B (en) * | 2019-06-25 | 2020-12-29 | 杭州聚源建筑设计有限公司 | Sunken square drainage structure and construction method thereof |
| CN111636548B (en) * | 2020-06-03 | 2021-05-11 | 江苏博森建筑设计有限公司 | Sponge urban water storage structure |
| CN111719666B (en) * | 2020-07-07 | 2021-06-08 | 史俊涛 | Drainage structures based on town road possesses flood storage ability |
| CN112425481A (en) * | 2020-09-28 | 2021-03-02 | 春涛国际建筑有限公司 | Water treatment system for sponge city |
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| AT391158B (en) * | 1988-04-26 | 1990-08-27 | Minichmayr Wilhelm | DEVICE FOR DERIVING RAINWATER AND THE LIKE |
| CN2587953Y (en) * | 2002-12-27 | 2003-11-26 | 南京纺织产业（集团）棉纺织有限公司 | Water-saving siphon type water tank |
| JP4035533B2 (en) * | 2004-11-04 | 2008-01-23 | 株式会社鬼頭忠兵衛商店 | Turbid remover and catchment |
| CN205171636U (en) * | 2015-11-25 | 2016-04-20 | 浙江荣林环境工程有限公司 | Urban road rainwater collection utilization system |
| CN106835898A (en) * | 2017-02-22 | 2017-06-13 | 中建八局第三建设有限公司 | A kind of turf playing with retaining adjusting function |
| CN206737077U (en) * | 2017-04-25 | 2017-12-12 | 浙江中景市政园林建设有限公司 | A kind of eco-drainage ditch for cell |
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