CN114753470A - Construction method of sunken green land based on sponge city - Google Patents
Construction method of sunken green land based on sponge city Download PDFInfo
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- CN114753470A CN114753470A CN202210455598.8A CN202210455598A CN114753470A CN 114753470 A CN114753470 A CN 114753470A CN 202210455598 A CN202210455598 A CN 202210455598A CN 114753470 A CN114753470 A CN 114753470A
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 239000002689 soil Substances 0.000 claims abstract description 37
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 15
- 239000006260 foam Substances 0.000 claims description 11
- 241000883990 Flabellum Species 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 241001464837 Viridiplantae Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/042—Arrangements of means against overflow of water, backing-up from the drain
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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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
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/002—Cleaning sewer pipes by mechanical means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a construction method of a sunk greenbelt based on a sponge city, which comprises a sunk greenbelt and a rainwater pipe canal, wherein a planting soil layer, a non-woven fabric layer, a gravel layer and a base soil layer are sequentially arranged on the sunk greenbelt from top to bottom, a rainwater tank is arranged inside the base soil layer, an overflow well is arranged at the top of the rainwater tank, the top end of the overflow well extends to the top of the planting soil layer, water inlet pipes are respectively arranged on two sides of the top of the rainwater tank, the top ends of the two water inlet pipes extend to the inside of the gravel layer, a filter screen is fixedly arranged at the top end of the inner side of each of the two water inlet pipes, the rainwater tank is communicated with the rainwater pipe canal, an annular mounting block is arranged at the top end of the overflow well, and a cover plate is movably arranged at the top of the annular mounting block. The rainwater infiltration and filtration device has the characteristics of good rainwater infiltration and filtration effect and capability of preventing the overflow mechanism from being blocked by arranging a series of structures.
Description
Technical Field
The invention relates to the technical field of sponge cities, in particular to a construction method of a sunken green land based on a sponge city.
Background
A sponge city is a new generation city rainfall flood management concept, means that the city can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, can be called as a water elasticity city, and is required to be provided with a sponge body when being built. The city 'sponge' includes river, lake, pond and other water system as well as city facilities including green land, garden and permeable road. Rainwater seeps, accumulates in a stagnant way, is purified and recycled through the sponges, and finally the rest runoff is discharged outside after passing through a pipe network and a pump station, so that the standard of an urban drainage system can be effectively improved, and the pressure of urban inland inundation is relieved.
The sunken greenbelt is an important component in a sponge city, is a greenbelt lower than the surrounding ground, receives and stores rainwater by utilizing an open space to achieve the effect of reducing runoff discharge, and the internal plants are mainly native herbaceous plants. In order to integrate the rainfall flood management concept of sponge cities, the sunken greenbelts are built, and multiple benefits of waterlogging prevention, water resource utilization and landscape beautification can be realized.
And when facing long-time rainwater weather, the drainage ability of current formula greenery patches that sinks is not enough, also does not have follow-up perfect utilization mode to the rainwater of collecting, and generally sets up the overflow well in the formula greenery patches that sinks, and the overflow well top exceeds greenery patches ground, and the overflow well bottom communicates in drainage system, guarantees the overflow discharge of runoff during the torrential rain. With long-term use, foreign matters such as leaves, hay and the like can cover the filtering well cover to block the filtering well cover, when the water potential is large, the overflow well is easily blocked, the cover plate is submerged, the overflow effect cannot be achieved, the water pipe not only easily enters soil to cause blockage, but also easily accumulates scale during long-term water delivery, and the water delivery of the water pipe is slow; in order to solve this series of problems, a construction method of a sunk green land based on a sponge city has been proposed.
Disclosure of Invention
The invention aims to provide a construction method of a sunken green land based on a sponge city, which aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a construction method of formula greenery patches sinks based on sponge city, includes the greenery patches and the rainwater canal that sink, the greenery patches that sink has set gradually planting soil layer, non-woven fabrics layer, gravel layer and foundation soil layer from top to bottom, the rainwater groove has been seted up to foundation soil layer's inside, the top of rainwater groove is provided with the overflow well, the top of overflow well extends to plant the top of soil layer, just the both sides at rainwater groove top all are provided with the inlet tube, two the top of inlet tube all extends to the inside of gravel layer, and two the equal fixed mounting in top of inlet tube inboard has the filter screen, just the rainwater groove with rainwater canal intercommunication.
Preferably, the top of overflow well is provided with annular installation piece, the top movable mounting of annular installation piece has the apron, the inside intermediate position department of apron has seted up the overflow mouth, a plurality of through-hole has been seted up to the inside equidistant circumference of apron, a plurality of gag lever post is installed to the top equidistant circumference of annular installation piece, the gag lever post passes through the through-hole runs through the apron, the top of gag lever post is provided with the stopper, the bottom of apron is provided with annular foam piece.
Preferably, the top of the overflow port is provided with an upper filter frame, and the bottom of the overflow port is provided with a lower filter frame.
Preferably, the two sides of the overflow well are provided with water guide pipes, the two water guide pipes are located inside the gravel layer, and the two water guide pipes are arranged in an upward inclined mode.
Preferably, a plurality of water seepage holes are densely formed in one end and the surface of each of the two water guide pipes, and filter screen cloth wraps the outer sides of the two water guide pipes.
Preferably, one side of the top of the sunken green land is provided with a water storage tank, the top of the water storage tank is provided with a tank cover, the bottom of the inner side of the water storage tank is fixedly provided with a water pump, one side of the water pump is provided with a water outlet pipe, the other side of the water pump is provided with a water suction pipe, and one end of the water suction pipe is connected with the rainwater tank.
Preferably, two equal movable mounting in the inside of inlet tube has the pivot, two four flabellums are installed to the equidistance circumference in the outside of pivot, and the outside of four flabellums all is provided with the brush hair.
The construction method of the sunken green land based on the sponge city comprises the following specific construction steps,
s1, selecting a construction site of the sinking green land structure, and digging a pit suitable for the design and construction specification of the sinking green land structure;
S2, digging a rainwater tank in the foundation soil layer, installing an overflow well at the top of the rainwater tank, arranging two water inlet pipes at the top of the rainwater tank, installing a filter screen at the top ends of the water inlet pipes, connecting the rainwater tank with a rainwater pipe duct, connecting a water suction pipe at one side of the rainwater tank, extending one end of the water suction pipe to one side of the top of the sunken green land, arranging water guide pipes at two sides of the overflow well, and wrapping filter screen cloth outside the water guide pipes;
s3, removing vegetation, sundries, accumulated water, silt and surface soil on the ground surface of the foundation soil layer, and treating and compacting the foundation soil layer;
s4, paving a gravel layer on the top of the basic soil layer, paving a non-woven fabric layer on the top of the gravel layer, paving a planting soil layer on the top of the non-woven fabric layer, and planting related green plants;
s5, installing an annular installation block at the top end of the overflow well, installing a limiting rod at the top of the annular installation block, installing a cover plate, enabling a lower filter frame at the bottom of the cover plate to be located inside the overflow well, arranging through holes in the cover plate according to the number of the limiting rods, enabling the limiting rods to penetrate through the through holes, arranging limiting blocks at the top ends of the limiting rods, and finally installing an annular foam block at the bottom of the cover plate.
Compared with the prior art, the invention has the beneficial effects that: the overflow well is scientific and reasonable in structure and safe and convenient to use, the water guide pipes are arranged on the two sides of the overflow well, the two water guide pipes are positioned inside the gravel layer and are arranged in an upward inclined manner, a plurality of seepage holes are densely formed in one ends and the surfaces of the two water guide pipes, and the outer sides of the two water guide pipes are wrapped with filter screen cloth, so that the rainwater can be prevented from carrying silt to enter the water guide pipes, and the rainwater is accelerated to be led in; the top end of the overflow well is provided with an annular mounting block, the top of the annular mounting block is movably provided with a cover plate, an overflow port is formed in the middle position inside the cover plate, a plurality of through holes are formed in the equidistant circumference inside the cover plate, a plurality of limiting rods are arranged on the equidistant circumference at the top of the annular mounting block and penetrate through the cover plate through the through holes, a limiting block is arranged at the top end of each limiting rod, and an annular foam block is arranged at the bottom of the cover plate, so that when the water potential is large and the cover plate is blocked, the cover plate floats upwards along with the rising of the water level under the action of the annular foam block, the lower filter frame moves upwards, and the lower filter frame moves out of the overflow well partially to work normally; water in the gravel layer enters the water inlet pipe after being filtered by the filter screen, and the blades are impacted when rainwater flows downwards, so that the blades rotate to drive the bristles to scrape scales on the inner wall of the water inlet pipe, and the water delivery speed of the water inlet pipe is improved; the control water pump can make the water pump pass through the pipe that absorbs water and pump the inside retaining pump of rainwater tank into the inside of storage water tank to utilize in the later stage.
Drawings
FIG. 1 is a schematic overall structure of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of the invention at B in FIG. 1;
fig. 4 is an enlarged view of the invention at C in fig. 1.
In the figure: 1. planting a soil layer; 2. a non-woven fabric layer; 3. a gravel layer; 4. a base soil layer; 5. an overflow well; 6. a rainwater pipe duct; 7. a rain gutter; 8. a suction pipe; 9. a water outlet pipe; 10. a water pump; 11. a water storage tank; 12. a box cover; 13. a lower filter frame; 14. an annular mounting block; 15. an overflow port; 16. an upper filter frame; 17. a limiting block; 18. a limiting rod; 19. a through hole; 20. a cover plate; 21. an annular foam block; 22. a water conduit; 23. filtering net cloth; 24. a water seepage hole; 25. a water inlet pipe; 26. a filter screen; 27. a fan blade; 28. a rotating shaft; 29. brushing; 30. and (5) sinking the green land.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a construction method technical scheme of formula greenery patches sinks based on sponge city, including the greenery patches 30 and the rainwater pipe canal 6 that sink, the greenery patches 30 that sink has set gradually planting soil layer 1 from top to bottom, non-woven fabrics layer 2, gravel layer 3 and foundation soil layer 4, rainwater groove 7 has been seted up to foundation soil layer 4's inside, rainwater groove 7's top is provided with overflow well 5, overflow well 5's top extends to the top of planting soil layer 1, and the both sides at rainwater groove 7 top all are provided with inlet tube 25, the top of two inlet tube 25 all extends to the inside of gravel layer 3, and the equal fixed mounting in top of two inlet tube 25 inboards has filter screen 26, and rainwater groove 7 and rainwater pipe canal 6 intercommunication.
Preferably, the top of overflow well 5 is provided with annular installation piece 14, the top movable mounting of annular installation piece 14 has apron 20, the inside intermediate position department of apron 20 has seted up overflow mouth 15, a plurality of through-hole 19 has been seted up to the inside equidistant circumference of apron 20, a plurality of gag lever post 18 is installed to the top equidistant circumference of annular installation piece 14, gag lever post 18 runs through apron 20 through-hole 19, the top of gag lever post 18 is provided with stopper 17, the bottom of apron 20 is provided with annular foam piece 21.
Preferably, the top of the overflow port 15 is provided with an upper filtering frame 16, and the bottom of the overflow port 15 is provided with a lower filtering frame 13, so that the top end of the overflow well 5 can be filtered, and impurities such as fallen leaves can be prevented from entering the overflow well 5.
Preferably, the both sides of overflow well 5 all are provided with aqueduct 22, and two aqueducts 22 all are located the inside of gravel layer 3, and two equal tilt up settings of aqueduct 22, and a plurality of infiltration hole 24 has all been seted up intensively on the one end and the surface of two aqueduct 22, and the outside of two aqueduct 22 has all wrapped up filter screen cloth 23, and then can guarantee to carry silt entering aqueduct 22 in the rainwater, accelerate the rainwater leading-in simultaneously.
Preferably, one side of the top of the sunken green land 30 is provided with a water storage tank 11, the top of the water storage tank 11 is provided with a tank cover 12, the bottom of the inner side of the water storage tank 11 is fixedly provided with a water pump 10, one side of the water pump 10 is provided with a water outlet pipe 9, the other side of the water pump 10 is provided with a water suction pipe 8, one end of the water suction pipe 8 is connected with the rainwater tank 7, the water pump 10 is controlled, and the water pump 10 can pump the water stored inside the rainwater tank 7 into the inside of the water storage tank 11 through the water suction pipe 8 so as to be utilized at a later stage.
Preferably, the inside of two inlet tubes 25 all movably mounted has pivot 28, and four flabellum 27 are installed to the impartial interval circumference in the outside of two pivot 28, and the outside of four flabellum 27 all is provided with brush hair 29, and the rainwater strikes flabellum 27 when downflow for flabellum 27 rotates, drives brush hair 29 and scrapes the incrustation scale of inlet tube 25 inner wall, improves inlet tube 25's water delivery speed.
The construction method of the sunken green land based on the sponge city comprises the following specific construction steps,
s1, selecting a construction site of the sinking green land 30 structure, and digging a pit suitable for the structural design and construction specification of the sinking green land 30;
s2, digging a rainwater tank 7 in a foundation soil layer 4, installing an overflow well 5 at the top of the rainwater tank 7, arranging two water inlet pipes 25 at the top of the rainwater tank 7, installing a filter screen 26 at the top ends of the water inlet pipes 25, connecting the rainwater tank 7 with a rainwater pipe duct 6, connecting a water suction pipe 8 at one side of the rainwater tank 7, extending one end of the water suction pipe 8 to one side of the top of a sunken green land 30, arranging water guide pipes 22 at two sides of the overflow well 5, and wrapping filter screen cloth 26 outside the water guide pipes 22;
s3, removing vegetation, sundries, accumulated water, silt and surface soil on the surface of the foundation soil layer 4, and treating and compacting the foundation soil layer 4;
s4, paving a gravel layer 3 on the top of the base soil layer 4, paving a non-woven fabric layer 2 on the top of the gravel layer 3, paving a planting soil layer 1 on the top of the non-woven fabric layer 2, and planting related green plants;
s5, installing an annular installation block 14 at the top end of the overflow well 5, installing a limiting rod 18 at the top of the annular installation block 14, installing a cover plate 20, enabling a lower filter frame 13 at the bottom of the cover plate 20 to be located inside the overflow well 5, arranging through holes 19 in the cover plate 20 according to the number of the limiting rods 18, enabling the limiting rods 18 to penetrate through the through holes 19, arranging limiting blocks 17 at the top end of the limiting rods 18, and finally installing an annular foam block 21 at the bottom of the cover plate 20.
The working principle is as follows: according to the invention, the water guide pipes 22 are arranged on two sides of the overflow well 5, the two water guide pipes 22 are positioned in the gravel layer 3, the two water guide pipes 22 are obliquely arranged upwards, a plurality of water seepage holes 24 are densely formed in one ends and the surfaces of the two water guide pipes 22, the outer sides of the two water guide pipes 22 are wrapped with the filter screen cloth 23, so that the rainwater can be prevented from entering the water guide pipes 22 along with silt, the rainwater guiding is accelerated, the top end of the overflow well 5 is provided with the annular mounting block 14, the top of the annular mounting block 14 is movably provided with the cover plate 20, the middle position in the cover plate 20 is provided with the overflow port 15, the inner part of the cover plate 20 is provided with a plurality of through holes 19 at equal intervals, the top part of the annular mounting block 14 is provided with a plurality of limiting rods 18 at equal intervals, the limiting rods 18 penetrate through the cover plate 20 through the through holes 19, and the top ends of the limiting rods 18 are provided with the limiting blocks 17, the bottom of apron 20 is provided with annular foam piece 21, and then when the great and apron 20 of water potential is blockked up, effect through annular foam piece 21, make apron 20 come up along with the rising of water level, and then make lower filter frame 13 move up, the outside of overflow well 5 is shifted out to the part, and then normally work, the inside water of gravel layer 3 filters the inside that gets into inlet tube 25 after filter screen 26, and the rainwater strikes flabellum 27 when downflow, make flabellum 27 rotate, drive brush hair 29 and scrape the incrustation scale of inlet tube 25 inner wall, improve the water delivery speed of inlet tube 25, control water pump 10, can make water pump 10 go into the inside of storage water tank 11 through the retaining pump that absorbs water pipe 8 is 7 inside, so that the later stage utilizes.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A construction method of a sinking type green land based on a sponge city comprises a sinking green land (30) and a rainwater pipe canal (6), and is characterized in that: subside greenery patches (30) and from top to bottom set gradually and plant soil layer (1), non-woven fabrics layer (2), gravel layer (3) and basic soil layer (4), rainwater groove (7) have been seted up to the inside of basic soil layer (4), the top of rainwater groove (7) is provided with overflow well (5), the top of overflow well (5) extends to plant the top of soil layer (1), just the both sides at rainwater groove (7) top all are provided with inlet tube (25), two the top of inlet tube (25) all extends to the inside of gravel layer (3), and two the equal fixed mounting in top of inlet tube (25) inboard has filter screen (26), just rainwater groove (7) with rainwater pipe canal (6) intercommunication.
2. The construction method of the sunk green land based on the sponge city as claimed in claim 1, wherein: the top of overflow well (5) is provided with annular installation piece (14), the top movable mounting of annular installation piece (14) has apron (20), overflow mouth (15) have been seted up to the inside intermediate position department of apron (20), a plurality of through-hole (19) have been seted up to the inside equidistant circumference of apron (20), a plurality of gag lever post (18) are installed to the top equidistant circumference of annular installation piece (14), gag lever post (18) pass through-hole (19) run through apron (20), the top of gag lever post (18) is provided with stopper (17), the bottom of apron (20) is provided with annular foam piece (21).
3. The construction method of the sunk green land based on the sponge city as claimed in claim 2, wherein: an upper filtering frame (16) is arranged at the top of the overflow port (15), and a lower filtering frame (13) is arranged at the bottom of the overflow port (15).
4. The construction method of the sunk green land based on the sponge city as claimed in claim 1, wherein: and water guide pipes (22) are arranged on two sides of the overflow well (5), the two water guide pipes (22) are positioned in the gravel layer (3), and the two water guide pipes (22) are inclined upwards.
5. The construction method of the sunk green land based on the sponge city as claimed in claim 4, wherein the construction method comprises the following steps: a plurality of water seepage holes (24) are densely formed in one end and the surface of each of the two water guide pipes (22), and filter screen cloth (23) wraps the outer sides of the two water guide pipes (22).
6. The construction method of the sunk green land based on the sponge city as claimed in claim 1, wherein: one side of the top of the sunken green land (30) is provided with a water storage tank (11), the top of the water storage tank (11) is provided with a tank cover (12), the bottom of the inner side of the water storage tank (11) is fixedly provided with a water pump (10), one side of the water pump (10) is provided with a water outlet pipe (9), the other side of the water pump (10) is provided with a water suction pipe (8), and one end of the water suction pipe (8) is connected with the rainwater tank (7).
7. The construction method of the sunk green land based on the sponge city as claimed in claim 1, wherein: two equal movable mounting in inside of inlet tube (25) has pivot (28), two four flabellum (27) are installed to the equidistance circumference in the outside of pivot (28), and the outside of four flabellum (27) all is provided with brush hair (29).
8. The construction method of the sunk green land based on the sponge city as claimed in claims 1 to 7, wherein: the concrete construction is as follows,
S1, selecting the construction site of the sinking green land (30) structure, and digging a pit suitable for the structural design and construction specification of the sinking green land (30);
s2, digging the rainwater tank (7) in the foundation soil layer (4), installing the overflow well (5) on the top of the rainwater tank (7), arranging two water inlet pipes (25) on the top of the rainwater tank (7), installing the filter screen (26) on the top ends of the water inlet pipes (25), connecting the rainwater tank (7) with the rainwater pipe duct (6), connecting the water suction pipe (8) on one side of the rainwater tank (7), extending one end of the water suction pipe (8) to one side of the top of the sunken green land (30), arranging the water guide pipes (22) on two sides of the overflow well (5), and wrapping the filter screen cloth (26) on the outer sides of the water guide pipes (22);
s3, removing vegetation, sundries, ponding, silt and surface soil on the ground surface of the foundation soil layer (4), and treating and compacting the foundation soil layer (4);
s4, laying the gravel layer (3) on the top of the basic soil layer (4), laying the non-woven fabric layer (2) on the top of the gravel layer (3), laying the planting soil layer (1) on the top of the non-woven fabric layer (2), and planting related green plants;
S5, installing the annular installation block (14) at the top end of the overflow well (5), installing the limiting rod (18) at the top of the annular installation block (14), installing the cover plate (20), enabling the lower filter frame (13) at the bottom of the cover plate (20) to be located inside the overflow well (5), opening the through holes (19) in the cover plate (20) according to the number of the limiting rods (18), enabling the limiting rods (18) to penetrate through the through holes (19), arranging the limiting blocks (17) at the top end of the limiting rods (18), and finally installing the annular foam block (21) at the bottom of the cover plate (20).
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116497919A (en) * | 2023-03-23 | 2023-07-28 | 浙江省城乡规划设计研究院 | Sponge city low-potential green land soil permeability increasing equipment and use method |
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JP2007231734A (en) * | 2004-10-15 | 2007-09-13 | Erudekku:Kk | Infiltrating structure |
CN207538151U (en) * | 2017-08-22 | 2018-06-26 | 武汉市园林建筑工程公司 | Concave herbaceous field and the well lid for concave herbaceous field |
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CN213418021U (en) * | 2020-09-24 | 2021-06-11 | 深圳市能亿建设工程有限公司 | Overflow well for sponge city sunken greenbelt |
CN113187068A (en) * | 2021-05-12 | 2021-07-30 | 中建八局第二建设有限公司 | A recessed formula greenery patches structure for rainwater is collected in sponge city |
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JP2007231734A (en) * | 2004-10-15 | 2007-09-13 | Erudekku:Kk | Infiltrating structure |
CN207538151U (en) * | 2017-08-22 | 2018-06-26 | 武汉市园林建筑工程公司 | Concave herbaceous field and the well lid for concave herbaceous field |
CN213233705U (en) * | 2020-07-21 | 2021-05-18 | 南通理工学院 | Sunken green land capable of reducing runoff drainage |
CN212866151U (en) * | 2020-07-27 | 2021-04-02 | 上海帅腾环保科技有限公司 | Formula of sinking retaining greenery patches |
CN213418021U (en) * | 2020-09-24 | 2021-06-11 | 深圳市能亿建设工程有限公司 | Overflow well for sponge city sunken greenbelt |
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CN116497919A (en) * | 2023-03-23 | 2023-07-28 | 浙江省城乡规划设计研究院 | Sponge city low-potential green land soil permeability increasing equipment and use method |
CN116497919B (en) * | 2023-03-23 | 2023-11-21 | 浙江省城乡规划设计研究院 | Sponge city low-potential green land soil permeability increasing equipment and use method |
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