CN112726737A

CN112726737A - Sponge city construction drainage device

Info

Publication number: CN112726737A
Application number: CN202110203274.0A
Authority: CN
Inventors: 程航
Original assignee: Shenzhen Bowei Environmental Art Design Co ltd
Current assignee: Shenzhen Bowei Environmental Art Design Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-04-30

Abstract

The invention discloses a sponge city construction drainage device, and particularly relates to the technical field of sponge city construction. According to the invention, rainwater enters the interior of the water seepage cylinder along the plurality of water seepage holes, impurities in the rainwater can be intercepted and filtered through the filter screen, the rainwater falls onto the two barrier plates, the rainwater can be sealed through the water accumulation area, so that foul gas is prevented from flowing out of the rainwater well cover, the breeding of peculiar smell is reduced, the rainwater can be reused for greening irrigation, washing road surfaces, vehicles and the like, the total amount of roof runoff and runoff pollution load can be effectively reduced through the green roof, the energy-saving and emission-reducing effects are achieved, the shortage of water resources is relieved, and water and emission are saved.

Description

Sponge city construction drainage device

Technical Field

The invention relates to the technical field of sponge city construction, in particular to a sponge city construction drainage device.

Background

In the process of quick urbanization, because experience is not enough, a series of problems are produced, many cities suffer from 'urban disease', traffic jams, environmental pollution, zipper roads, waterlogging frequently occurs, the investment is high, the waste is large, the urban development is relatively extensive, the unprecedented aggravation of resource environment bearing pressure is needed urgently, need to adopt advanced design urgently, the problem of speed and quality is solved better, in the urban new district, all kinds of gardens, the sponge city construction is promoted comprehensively in one piece development district, combine the sheepfold district in the old district, the crisis is reformed transform and the organic renewal of old district, properly solve the problems of urban flood control safety, rainwater collection and utilization, black and odorous water body treatment and the like.

The invention patent of patent application publication No. CN106193259B discloses a rainwater collection and utilization system and a construction method for sponge cities, which can enhance the natural vertical infiltration capacity of rainwater, effectively control excessive runoff rainwater, increase the rainwater collection amount, filter the collected rainwater repeatedly, remove impurities in the rainwater, collect the rainwater, achieve the rainwater retention effect and reduce the municipal drainage pressure.

In urban construction, urban drainage measures are not satisfactory in summer, and urban inland inundation is serious due to incomplete drainage.

Disclosure of Invention

The invention provides a drainage device for sponge city construction in order to overcome the defects in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a sponge city construction drainage device comprises a permeable stratum, wherein a plain soil layer is arranged below the permeable stratum, a grassland is arranged on the top surface of the permeable stratum, a pebble layer is arranged below the plain soil layer, a matrix layer is arranged below the pebble layer, a river is arranged on the top surface of the grassland, a sunken green land is arranged on the top surface of the grassland, a city building group is arranged on one side of the sunken green land, a square road is arranged between the city building group and the sunken green land, and the pavement of the square road is paved by water permeable bricks;

the both sides of square road all are provided with the stone of building block, and the surface embedding of square road is provided with a infiltration section of thick bamboo, the inner chamber lateral wall of an infiltration section of thick bamboo is provided with two bafflers, the inside of baffler is equipped with the ponding district, the top surface mounting of an infiltration section of thick bamboo has the cover, the top surface of cover is equipped with the buckle groove, and the top surface mounting of cover has the rainwater well lid, the circumference side outer wall fixedly connected with buckle spare of rainwater well lid, and the surface of rainwater well lid is provided with a plurality of infiltration holes, buckle spare and buckle groove match the setting, and the buckle spare is provided with the expansion bolt with the junction embedding in buckle groove.

Preferably, the bottom of cover is connected with the gradual change district, the inner chamber of a infiltration section of thick bamboo is provided with keeps off along, keep off the top on edge and the bottom contact in gradual change district, the internally mounted of cover has the filter screen, the filter screen is made by the stainless steel.

Preferably, one end of the river is connected with a wet pond, the river is communicated with the wet pond, one side of the river is provided with a penetration pond, the other side of the river is provided with a sunken green land, and the peripheral side outer wall of the penetration pond is provided with a rainwater wetland.

Preferably, the inside in wet pond is provided with adjustable pond, one side in wet pond is provided with the water inlet, and the opposite side in wet pond is provided with the overflow delivery port, the inner chamber bottom in adjustable pond is provided with two silt regions, two be provided with the water distribution gabion between the silt region, one of them one side in silt region is provided with the buffering and throws the stone, and another one side in silt region is provided with the blow-down pipe.

Preferably, the surface embedding of blow-down pipe is provided with the valve, and blow-down pipe and delivery port communicate with each other, one side of adjustable pond is provided with the revetment, be provided with the grid between revetment and the adjustable pond, and the opposite side of revetment is provided with the rubble, the wash port has been seted up on the surface of grid.

Preferably, the junction of plain soil layer and permeable formation is provided with the rainwater collecting pit, and the rainwater collecting pit is made by glass steel to set up at the end of intaking of rainwater collecting pit and abandon a class well, the rainwater collecting pit communicates with each other with a infiltration section of thick bamboo.

Preferably, one side of the river is provided with a roof greening layer, and the other side of the river is provided with a garden path which crosses the surface of the river, and the roof slope of the roof greening layer is 3%.

Preferably, shrubs and trees are sequentially arranged on one side of the garden path and are respectively arranged in the corresponding planting pools.

Preferably, the top of roof greening layer is provided with the view pond, the inside laminating in view pond is provided with cement mortar and glues the cobble, cement mortar glues bottom one side of cobble and is provided with the chock plug.

Preferably, one side of chock plug is provided with the drain pipe, the one end of drain pipe is connected with inserts irrigation mechanism, the below of inserting irrigation mechanism is provided with the cobble buffering area, one side in cobble buffering area is provided with the planting pond baffle.

Compared with the prior art, the invention has the advantages and positive effects that,

rainwater enters the inside of the water seepage cylinder along the plurality of water seepage holes, impurities in the rainwater can be intercepted and filtered through the filter screen, the rainwater falls into the two barrier plates, the rainwater can be sealed through the water accumulation area, foul gas is prevented from flowing out of the rainwater well cover, breeding of peculiar smell is reduced, the rainwater can be reused for greening irrigation, road surfaces, vehicles and the like, the total roof runoff amount and runoff pollution load can be effectively reduced through the green roof, the water seepage cylinder has the functions of energy conservation and emission reduction, a city can be like a sponge, and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, water is absorbed, stored, retained, seeped and purified when raining, stored water is released and utilized when needed, water resource shortage is relieved, and water conservation and emission reduction are realized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of a local structure of the square road of the invention.

Fig. 3 is a schematic structural view of a square road and a water seepage cylinder of the invention.

Fig. 4 is a schematic view of the installation structure of the drum cover and the rainwater well cover of the present invention.

Fig. 5 is a schematic structural view of the flat-topped house planting pond of the present invention.

FIG. 6 is a schematic view of the landscape pool of the present invention.

Fig. 7 is a schematic view of the structure of the wet pond of the present invention.

Fig. 8 is a schematic structural view of a flat roof planting area planting pool of the present invention.

The reference signs are: 1. a permeable layer; 2. a plain soil layer; 3. a pebble layer; 4. a substrate layer; 5. a sunk green land; 6. grass; 7. a river; 8. a garden road; 9. a roof greening layer; 10. a penetration pond; 11. a rain wetland; 12. wetting the pond; 13. a city building group; 14. square roads; 15. building a stone block; 16. a water seepage cylinder; 17. a cylinder cover; 18. a transition region; 19. a rain well cover; 20. a water seepage hole; 21. a fastening groove; 22. a fastener; 23. an expansion bolt; 24. blocking edges; 25. filtering with a screen; 26. a barrier plate; 27. a pebble buffer zone; 28. a water accumulation area; 29. a planting pond baffle; 30. connecting an irrigation mechanism; 31. a drain pipe; 32. a plug head; 33. cement mortar bonding pebbles; 34. a landscape pool; 35. buffering and throwing the stones; 36. a mud settling area; 37. a water distribution gabion; 38. a grid; 39. a valve; 40. an emptying pipe; 41. an adjustable tank; 42. revetment; 43. and (4) crushing the stones.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

The embodiment of the invention provides a sponge city construction drainage device, which comprises a permeable layer 1, wherein a plain soil layer 2 is arranged below the permeable layer 1, a grassland 6 is arranged on the top surface of the permeable layer 1, a pebble layer 3 is arranged below the plain soil layer 2, a matrix layer 4 is arranged below the pebble layer 3, a river 7 is arranged on the top surface of the grassland 6, a sunken green land 5 is arranged on the top surface of the grassland 6, a city building group 13 is arranged on one side of the sunken green land 5, a square road 14 is arranged between the city building group 13 and the sunken green land 5, and the pavement of the square road 14 is paved by water permeable bricks;

the two sides of the square road 14 are provided with masonry blocks 15, the surface of the square road 14 is embedded with a water seepage cylinder 16, the side wall of the inner cavity of the water seepage cylinder 16 is provided with two baffle plates 26, the inside of each baffle plate 26 is provided with a water accumulation area 28, the top end surface of the water seepage cylinder 16 is provided with a cylinder cover 17, the top end surface of the cylinder cover 17 is provided with a buckling groove 21, the top end surface of the cylinder cover 17 is provided with a rainwater well cover 19, the outer wall of the circumferential side of the rainwater well cover 19 is fixedly connected with a buckling piece 22, the surface of the rainwater well cover 19 is provided with a plurality of water seepage holes 20, the buckling piece 22 is matched with the buckling groove 21, the joint of the buckling piece 22 and the buckling groove 21 is embedded with an expansion bolt 23, the cylinder cover 17 covers the top end of the water seepage cylinder 16 and is limited to the cylinder cover 17 by a blocking edge 24, a filter screen 25 is placed inside the cylinder cover 17, the rainwater well cover 19 is placed at the top end of the cylinder cover 17, use expansion bolts 23 to connect rainwater well lid 19 and cover 17, it is interim when the rainwater season comes, the rainwater enters into the inside of a infiltration section of thick bamboo 16 along a plurality of infiltration holes 20, can intercept the impurity in the rainwater through filter screen 25 and filter, and the rainwater falls into on two bafflers 26, can seal the rainwater liquid through ponding district 28, avoids rotten smelly gas to flow out from rainwater well lid 19, reduces multiplying of peculiar smell.

As shown in fig. 2-3, the bottom of the cylinder cover 17 is connected with a gradual change region 18, the inner cavity of the water seepage cylinder 16 is provided with a blocking edge 24, the top end of the blocking edge 24 is in contact with the bottom end of the gradual change region 18, a filter screen 25 is arranged inside the cylinder cover 17, the filter screen 25 is made of stainless steel, impurities in rainwater can be intercepted and filtered through the filter screen 25, and after the rainwater well cover 19 is opened, the impurities on the filter screen 25 can be periodically cleaned.

As shown in fig. 1, one end of a river 7 is connected with a wet pond 12, the river 7 is communicated with the wet pond 12, one side of the river 7 is provided with a penetration pond 10, the other side of the river 7 is provided with a sunken greenbelt 5, the circumferential outer wall of the penetration pond 10 is provided with a rainwater wetland 11, the rainwater wetland 11 is divided into a rainwater surface flow rainwater wetland and a rainwater subsurface flow rainwater wetland, the rainwater wetland 11 is generally designed to be impermeable so as to maintain the water quantity required by rainwater wetland plants, the rainwater wetland 11 is often built with the wet pond 12 and is designed with a certain regulation and storage volume, energy dissipation facilities such as broken stones, energy dissipation sills and the like are arranged at a water inlet and an overflow water outlet so as to prevent water flow from scouring and erosion, when the water inlet and an overflow port are blocked or silted to cause unsmooth water flow, garbage and sediments are timely cleaned, safety protection and warning measures such as guardrails, warning boards and the like are arranged at the, and has certain runoff total amount and peak flow control effect, reduces non-point source pollution and improves urban water environment.

As shown in fig. 7, an adjustable pond 41 is arranged inside the wet pond 12, a water inlet is arranged on one side of the wet pond 12, an overflow water outlet is arranged on the other side of the wet pond 12, two sludge settling zones 36 are arranged at the bottom of an inner cavity of the adjustable pond 41, a water distribution gabion 37 is arranged between the two sludge settling zones 36, a buffer riprap 35 is arranged on one side of one sludge settling zone 36, a vent pipe 40 is arranged on one side of the other sludge settling zone 36, a valve 39 is embedded in the surface of the vent pipe 40, the vent pipe 40 is communicated with the water outlet, a revetment 42 is arranged on one side of the adjustable pond 41, a grating 38 is arranged between the revetment 42 and the adjustable pond 41, crushed stones 43 are arranged on the other side of the revetment 42, a drain hole is arranged on the surface of the grating 38, the wet pond 12 generally comprises a water inlet, a front pond, a main pond, a water outlet overflow, a reve, The open space and other site conditions are designed into multifunctional water storage bodies, the total runoff amount, runoff pollution and peak flow of a large area are effectively reduced, the multifunctional water storage bodies are important components of an urban waterlogging prevention and treatment system, the adjustable pond 41 in the wet pond 12 is emptied within 24-48h, and the slope gradient of the revetment 42 is not more than 1: 6, the rainwater collecting tank has the advantages of saving land occupation, easily accessing a rainwater pipe duct, avoiding direct irradiation of sunlight, preventing breeding of mosquitoes and flies, large water storage capacity and the like.

As shown in fig. 1, a rainwater collecting tank is arranged at the joint of the plain soil layer 2 and the permeable layer 1, the rainwater collecting tank is made of glass fiber reinforced plastic, a drainage well is arranged at the water inlet end of the rainwater collecting tank, and the rainwater collecting tank is communicated with the water seepage cylinder 16, so that rainwater can be conveniently and intensively stored.

As shown in fig. 1, a roof greening layer 9 is arranged on one side of the river 7, a garden path 8 is arranged on the other side of the river 7, the garden path 8 crosses the surface of the river 7, and the slope of the roof greening layer 9 is 3%, so that vegetation can be planted conveniently.

As shown in fig. 8, shrubs and trees are sequentially arranged on one side of the garden path 8, and are respectively arranged in corresponding planting pools for standardized planting.

As shown in fig. 1, 5 and 6, a landscape pool 34 is arranged at the top end of the roof greening layer 9, cement mortar adhered pebbles 33 are attached to the inside of the landscape pool 34, a plug 32 is arranged on one side of the bottom of the cement mortar adhered pebbles 33, a drain pipe 31 is arranged on one side of the plug 32, one end of the drain pipe 31 is connected with an access irrigation mechanism 30, a pebble buffer zone 27 is arranged below the access irrigation mechanism 30, and a planting pool baffle 29 is arranged on one side of the pebble buffer zone 27, so that drainage of the landscape pool 34 is facilitated.

As shown in fig. 1 to 8, the implementation scenario specifically includes: the pavement of the square road 14 is paved by permeable bricks, the permeable pavement has wide application area and convenient construction, can supplement underground water and has certain peak flow reduction and rainwater purification effects, rainwater enters the inside of the water seepage cylinder 16 along the plurality of water seepage holes 20, impurities in the rainwater can be intercepted and filtered through the filter screen 25, the rainwater falls into the two barrier plates 26 and can be sealed by the water accumulation area 28, so that the foul gas can be prevented from flowing out of the rainwater well cover 19, the breeding of peculiar smell is reduced, the water seepage cylinder 16 is communicated with the rainwater collection pool, the rainwater can be reused for greening irrigation, washing the pavement, vehicles and the like, the total runoff and the runoff pollution load of a green roof can be effectively reduced, the energy-saving and emission-reducing effects are achieved, a city can be like a sponge, has good 'elasticity' in the aspects of adapting to environmental change, coping with natural disasters and the like, and absorbs water in rainy days, and has certain peak flow reduction and rainwater purification, Water storage, water seepage and water purification, and the stored water is released and utilized when needed, so that the shortage of water resources is relieved, water is saved, and emission is reduced, and the method is a concrete embodiment of ecological civilization in the aspect of urban rainwater management.

The working principle of the invention is as follows:

referring to the attached drawings 1-8 of the specification, rainwater enters the interior of the water seepage cylinder 16 along the plurality of water seepage holes 20, impurities in the rainwater can be intercepted and filtered through the filter screen 25, the rainwater falls onto the two barrier plates 26, the rainwater can be sealed through the water accumulation area 28, foul gas is prevented from flowing out of the rainwater well cover 19, the generation of peculiar smell is reduced, the rainwater wetland 11 and the wet pond 12 are built together and designed with a certain regulation and storage volume, pollutants can be effectively reduced, a certain runoff total amount and peak value flow control effect is achieved, area source pollution is reduced, the urban water environment is improved, the wet pond 12 can be designed into a multifunctional water storage body by combining field conditions such as a green land, an open space and the like, the runoff total amount, the runoff pollution and the peak value flow in a large area are effectively reduced, the multifunctional water storage body is an important component of an urban waterlogging control system, the runoff total amount and the runoff pollution load can be effectively reduced, the energy-saving and emission-reducing water-saving and environment-friendly water-saving device has the functions of saving energy and reducing emission, and cities can have good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a sponge city construction drainage device, includes permeable formation (1), its characterized in that: a plain soil layer (2) is arranged below the permeable layer (1), a grassland (6) is arranged on the top end surface of the permeable layer (1), a pebble layer (3) is arranged below the plain soil layer (2), a matrix layer (4) is arranged below the pebble layer (3), a river (7) is arranged on the top end surface of the grassland (6), a sunken green land (5) is arranged on the top end surface of the grassland (6), an urban building group (13) is arranged on one side of the sunken green land (5), a square road (14) is arranged between the urban building group (13) and the sunken green land (5), and the pavement of the square road (14) is paved by permeable bricks;

the two sides of the square road (14) are both provided with masonry blocks (15), the surface of the square road (14) is embedded with a water seepage cylinder (16), two baffle plates (26) are arranged on the side wall of the inner cavity of the water seepage cylinder (16), a water accumulation area (28) is arranged inside the baffle plates (26), a cylinder cover (17) is arranged on the top end surface of the water seepage cylinder (16), a buckle groove (21) is arranged on the top end surface of the cylinder cover (17), and the top end surface of the cylinder cover (17) is provided with a rainwater well cover (19), the circumferential side outer wall of the rainwater well cover (19) is fixedly connected with a fastener (22), and the surface of the rainwater well cover (19) is provided with a plurality of water seepage holes (20), the buckling piece (22) is matched with the buckling groove (21), and an expansion bolt (23) is embedded into the joint of the buckling piece (22) and the buckling groove (21).

2. The sponge city construction drainage device of claim 1, wherein: the bottom of cover (17) is connected with gradual change district (18), the inner chamber of a infiltration section of thick bamboo (16) is provided with keeps off along (24), keep off along the top of (24) with the bottom contact of gradual change district (18), the internally mounted of cover (17) has filter screen (25), filter screen (25) are made by the stainless steel.

3. The sponge city construction drainage device of claim 1, wherein: one end of the river (7) is connected with a wet pond (12), the river (7) is communicated with the wet pond (12), one side of the river (7) is provided with a penetration pond (10), the other side of the river (7) is provided with the sunken greenbelt (5), and the peripheral side outer wall of the penetration pond (10) is provided with a rainwater wetland (11).

4. The sponge city construction drainage device of claim 3, wherein: the inside in wet pond (12) is provided with adjustable pond (41), one side in wet pond (12) is provided with the water inlet, just the opposite side in wet pond (12) is provided with overflow outlet, the inner chamber bottom in adjustable pond (41) is provided with two heavy mud district (36), two be provided with water distribution gabion (37) between heavy mud district (36), one of them one side in heavy mud district (36) is provided with the buffering and throws stone (35), another one side in heavy mud district (36) is provided with blow-down pipe (40).

5. The sponge city construction drainage device of claim 4, wherein: the surface embedding of blow-down pipe (40) is provided with valve (39), just blow-down pipe (40) communicates with each other with the delivery port, one side of adjustable pond (41) is provided with revetment (42), revetment (42) with be provided with grid (38) between adjustable pond (41), just the opposite side of revetment (42) is provided with rubble (43), the wash port has been seted up on the surface of grid (38).

6. The sponge city construction drainage device of claim 1, wherein: the joint of the plain soil layer (2) and the permeable formation (1) is provided with a rainwater collecting pool, the rainwater collecting pool is made of glass fiber reinforced plastics, a flow abandoning well is arranged at the water inlet end of the rainwater collecting pool, and the rainwater collecting pool is communicated with the water seepage cylinder (16).

7. The sponge city construction drainage device of claim 1, wherein: one side of the river (7) is provided with a roof greening layer (9), the other side of the river (7) is provided with a garden path (8), the garden path (8) transversely penetrates through the surface of the river (7), and the roof slope of the roof greening layer (9) is 3%.

8. The sponge city construction drainage device of claim 7, wherein: one side of the garden path (8) is sequentially provided with shrubs and trees, and the shrubs and the trees are respectively arranged in the corresponding planting pools.

9. The sponge city construction drainage device of claim 7, wherein: the top of roof greening layer (9) is provided with view pond (34), the inside laminating in view pond (34) is provided with cement mortar and glues cobble (33), the bottom one side that cement mortar glued cobble (33) is provided with chock plug (32).

10. The sponge city construction drainage device of claim 9, wherein: one side of chock plug (32) is provided with drain pipe (31), the one end of drain pipe (31) is connected with inserts irrigation mechanism (30), the below of inserting irrigation mechanism (30) is provided with cobble buffering area (27), one side of cobble buffering area (27) is provided with plants pond baffle (29).