CN112942527A

CN112942527A - Sponge city drainage device

Info

Publication number: CN112942527A
Application number: CN202110104949.6A
Authority: CN
Inventors: 张东波; 包锦虹; 张卫国
Original assignee: Zhangjiagang Huaxin Horticultural Landscape Engineering Co ltd
Current assignee: Zhangjiagang Huaxin Horticultural Landscape Engineering Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-06-11

Abstract

The utility model relates to a sponge city drainage device uses in urban road drainage technology's field, and it includes from last soil horizon, non-woven fabrics and the haydite layer that distributes extremely down in proper order, has laid a plurality of drain pipes in the soil horizon, and the drain pipe is connected with municipal water net pipe, all sets up a plurality of first through-holes that distribute along drain pipe length direction on each drain pipe, and the outer parcel of drain pipe has the filter cloth, and the greenbelt is planted on soil horizon and is less than the road surface. This application has the effect of protection road green area.

Description

Sponge city drainage device

Technical Field

The application relates to the field of urban road drainage technology, in particular to a sponge urban drainage device.

Background

The sponge city is a city which can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, seeps water and purifies water in rainy days, and releases the stored water when needed. .

At present urban road generally can plant the greenbelt in road both sides when the construction, increases urban vegetation coverage, appears ponding on the road when preventing the rainfall simultaneously, can make the road surface be less than the greenbelt when the design.

In view of the above-mentioned related technologies, the inventor believes that since the road surface is higher than the green belt, the rainwater on the road surface flows to the green belt, and the rainwater on the green belt cannot permeate and drain in time, which easily causes the plants to be drowned.

Disclosure of Invention

In order to improve the problem that the greenbelt plant is drowned, this application provides a sponge urban drainage device.

The application provides a sponge city drainage device adopts following technical scheme:

the utility model provides a sponge city drainage device, includes from last soil horizon, non-woven fabrics and the haydite layer that distributes extremely down in proper order, a plurality of drain pipes have been laid in the soil horizon, drain pipe and municipal water net union coupling, each all set up a plurality of first through-holes that distribute along drain pipe length direction on the drain pipe, the outer parcel of drain pipe has the filter cloth, and the greenbelt is planted on the soil horizon and be less than the road surface.

By adopting the technical scheme, during rainfall, rainwater flowing from the road surface to the green belt sequentially seeps through the soil layer and the non-woven fabric, the gaps of the ceramic particle layers are large, so that the rainwater can quickly permeate to the underground, meanwhile, part of the rainwater enters the drainage pipe through the first through holes after being filtered by the filter cloth and then flows into the municipal water network pipe through the drainage pipe, and the rainwater accumulation is reduced, the root system of the plant in the green belt is soaked and rotten, and the possibility that the plant is drowned is reduced.

Optionally, a first electromagnetic valve is arranged on the drain pipe.

By adopting the technical scheme, when the rainfall is small, the first electromagnetic valve is closed, and the rainwater is led out by depending on the infiltration of the soil body, so that the pressure of the municipal water network pipe is favorably reduced.

Optionally, multiple rows of water storage pipes are vertically arranged in the ceramsite layer, each water storage pipe is connected with an end cover in a threaded manner, a plurality of filter holes are formed in the end covers, the bottom ends of the water storage pipes are connected through water collecting pipes, a branch pipe is connected between every two adjacent water collecting pipes, the water storage pipes are connected with a drain pipe through water conveying pipes, a second electromagnetic valve is arranged at one end, close to the water storage pipes, of each water conveying pipe, a water pump is arranged in the ceramsite layer, and the water pump is connected with the water collecting pipes and the water conveying pipes through leather pipes.

By adopting the technical scheme, part of rainwater in the ceramsite layer enters the water storage pipe after being filtered by the filter holes and then is gathered in the water collecting pipe, when a green belt needs to be irrigated, the second electromagnetic valve is opened, the water pump is started to pump water in the water collecting pipe into the water discharging pipe, and then the water in the water collecting pipe extends out of each first through hole to supplement water to the soil layer, so that the utilization rate of rainwater resources is improved, labor is saved, and the environment is protected; when water is drained, the second electromagnetic valve is opened, and part of rainwater in the drainage pipe can directly flow into the water storage pipe through the water conveying pipe, so that the pressure of the municipal administration water pipe network can be shared, and the rainwater drainage speed is further accelerated.

Optionally, a steel wire filter screen is arranged on the end cover.

Through adopting above-mentioned technical scheme, the wire net filters the particulate matter, has reduced the possibility that the filtration pore is blockked up.

The greening belt is characterized in that a drainage ditch is arranged on one side, away from a greening belt, of an optional pavement, a safety cover is arranged on the drainage ditch, a diversion trench is arranged on the safety cover, a support frame is arranged in the drainage ditch, a servo cylinder is arranged on the support frame, a slide seat is connected to the end portion of a driving rod of the servo cylinder, a water guide pipe is arranged at the upper end of the slide seat, a plurality of spray heads which are arranged at intervals along the length direction of the water guide pipe are arranged on the water guide pipe, a moving groove for extending the water guide pipe is formed in the safety cover, and.

Through adopting above-mentioned technical scheme, collect in the partial rainwater inflow escape canal on road surface, when summer road surface temperature is higher or the road surface dust is more when the circumstances such as, servo cylinder drive slide rises, drives the aqueduct and stretches out the shifting chute, and the pumping piece is carried the water in the escape canal to in the aqueduct, sprays to the road surface through each shower nozzle, has played the effect of cooling, dust fall, has further improved the utilization ratio of rainwater, and is energy-concerving and environment-protective.

Optionally, the slot wall of the moving slot is hinged with a flip cover for covering the slot opening.

By adopting the technical scheme, the movable groove is covered by the turnover cover, so that the possibility of falling of external sundries is reduced.

Optionally, a partition plate is arranged on the support frame, the partition plate is located between the diversion trench and the moving trench, and a water filtering layer distributed opposite to the diversion trench is arranged on the support frame.

Through adopting above-mentioned technical scheme, the rainwater flows in through the guiding gutter, and the drainage layer filters the rainwater, reduces the particulate matter content in the rainwater, has played the guard action to shower nozzle and pumping piece, has still reduced the interior deposit of escape canal too much and occupation space's the condition emergence.

Optionally, the drainage layer comprises geotextile, fine sand and pebbles which are distributed from bottom to top in sequence.

Through adopting above-mentioned technical scheme, the clearance from the top down of drainage layer increases in proper order for the rainwater can permeate fast, has guaranteed the volume of holding to the rainwater.

Optionally, one side of the drainage ditch departing from the road surface is provided with a water collecting well, and the drainage ditch is connected with the water collecting well through an overflow pipe.

Through adopting above-mentioned technical scheme, when the water level in the escape canal rises to overflow pipe department, unnecessary rainwater just gets into in the sump pit through the overflow pipe, has reduced the possibility that the interior water of escape canal spills over the road surface.

Optionally, the infiltration pipe has been laid in the soil horizon, the one end and the escape canal of infiltration pipe are connected, a plurality of infiltration holes have been seted up on the infiltration pipe, the infiltration intussuseption is filled with the silver, the silver extends to in the escape canal.

By adopting the technical scheme, after the water in the drainage ditch is absorbed by the cotton sliver, the water in the drainage ditch permeates into the soil layer through the water seepage holes to nourish the plants in the green belt, so that multi-channel water supplement is realized; the water seepage pipe prevents the cotton sliver from contacting with the soil body, and reduces the loss of water in the cotton sliver in the transmission process.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the mode of combining water seepage and drainage is adopted, so that the fast drainage of the green belt is realized, and green belt plants are protected;

2. the rainwater is collected and recycled through the water collecting pipe and the drainage ditch, the utilization rate of the rainwater is improved, and the rainwater collecting device is green and environment-friendly.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1.

Fig. 4 is a schematic structural diagram for embodying the supporting frame and the flip cover in the embodiment of the present application.

Description of reference numerals: 1. a green belt; 11. a soil layer; 12. non-woven fabrics; 13. a ceramic layer; 14. a drain pipe; 141. a first through hole; 142. filtering cloth; 15. a first solenoid valve; 2. a water storage pipe; 21. an end cap; 211. filtering holes; 212. a steel wire filter screen; 22. a water collection pipe; 221. a branch pipe; 23. a water delivery pipe; 231. a second solenoid valve; 24. a water pump; 241. a leather hose; 3. a drainage ditch; 31. a safety cover; 311. a diversion trench; 312. a moving groove; 3121. a cover is turned; 32. a support frame; 321. a partition plate; 33. a servo cylinder; 331. a slide base; 34. a water conduit; 341. a spray head; 35. filtering a water layer; 351. geotextile; 352. fine sand; 353. pebbles; 36. a water collecting well; 361. an overflow pipe; 4. a water seepage pipe; 41. a water seepage hole; 42. a cotton sliver; 5. a road surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses sponge city drainage device. As shown in fig. 1, the sponge urban drainage device comprises a soil layer 11, a non-woven fabric 12 and a ceramsite layer 13 which are sequentially distributed from top to bottom, wherein each layer is laid along the length direction of a road surface 5, the ceramsite layer 13 mainly comprises ceramsite and stone, the ceramsite layer 13 is contacted with a soil body, and a green belt 1 is planted on the soil layer 11 and is lower than the road surface 5; road surface 5 is equipped with escape canal 3 and collector well 36 in proper order in the one side of keeping away from greenbelt 1, is equipped with safety cover 31 on the escape canal 3, is equipped with a plurality of guiding gutters 311 that extend along the 5 directions on perpendicular to road surface on the safety cover 31, and collector well 36 is along 3 length direction interval distribution in escape canal, and every collector well 36 all communicates with escape canal 3 through overflow pipe 361.

When raining, rainwater on the road surface 5 flows out from two sides, a part of rainwater flows onto the green belt 1 from the road surface 5, the rainwater penetrates into the soil layer 11, is filtered by the non-woven fabric 12 and then penetrates into the ceramsite layer 13, and the rainwater can quickly infiltrate downwards and accumulate in the ceramsite layer 13 and then infiltrate downwards into a soil body due to the large gap of the ceramsite layer 13; the other part of the rainwater on the road surface 5 is collected into the drainage ditch 3 through the diversion trench 311, when the water level in the drainage ditch 3 rises to the position of the overflow pipe 361, the rest rainwater flows into the water collecting well 36 through the overflow pipe 361, and the possibility of rainwater overflow is reduced.

As shown in fig. 1 and fig. 2, a plurality of drainage pipes 14 are laid in the soil layer 11 and are arranged at intervals along the extending direction of the road surface 5, one end of each drainage pipe 14 is closed, the other end of each drainage pipe 14 extends into the soil body below the road surface 5 along the direction perpendicular to the road surface 5 and is connected with a municipal water network pipe, and one end of each drainage pipe 14 below the road surface 5 is provided with a first electromagnetic valve 15; each of the drainage pipes 14 is provided with a plurality of first through holes 141 arranged along the length direction thereof, and the drainage pipes 14 are wrapped with filter cloth 142 to cover the first through holes 141 and prevent the first through holes 141 from being blocked by soil particles.

Partial rainwater in the soil layer 11 enters the drain pipe 14 through the first through hole 141 after being filtered by the filter cloth 142, and when the rainwater cannot seep out in a short time due to large rainfall, the first electromagnetic valve 15 is opened, and the water in the drain pipe 14 is led into the municipal water network pipe.

As shown in fig. 1 and 3, a plurality of rows of water storage tubes 2 are vertically arranged in the ceramsite layer 13, each row of water storage tubes 2 is parallel to the extending direction of the road surface 5, each water storage tube 2 is connected with an end cover 21 in a threaded manner, a filter hole 211 and a steel wire filter screen 212 are arranged on each end cover 21, a plurality of filter holes 211 are distributed on each filter hole 211 and communicate the inside and the outside of each end cover 21, the steel wire filter screen 212 covers the filter holes 211, and the mesh diameter of each steel wire filter screen 212 is smaller than the inner diameter of.

As shown in fig. 1, the bottom ends of each row of water storage pipes 2 are connected in series through a water collection pipe 22, two adjacent water collection pipes 22 are parallel to each other and a branch pipe 221 is connected between the two adjacent water collection pipes 22, the water discharge pipe 14 is connected with the corresponding water storage pipe 2 below the water discharge pipe 14 through a water delivery pipe 23, and a second electromagnetic valve 231 is further arranged at one end of the water delivery pipe 23 close to the water storage pipe 2; when the drainage pipe 14 drains, the second electromagnetic valve 231 is opened, and part of rainwater in the drainage pipe 14 is directly guided into the water storage pipe 2 for storage, so that the pressure of the municipal water network pipe is reduced, and the drainage speed of the soil layer 11 is increased.

As shown in fig. 1, the ceramsite layer 13 is provided with water pumps 24 therein, the number of the water pumps 24 corresponds to that of the water pipes 23 one by one, the water inlets and the water outlets of the water pumps 24 are connected with leather pipes 241, the leather pipes 241 corresponding to the water inlets of the water pumps 24 are connected with the water collecting pipe 22, and the leather pipes 241 corresponding to the water outlets are connected with the water pipes 23.

As shown in fig. 1 and 2, a water seepage pipe 4 is laid in the soil layer 11, one end of the water seepage pipe 4 penetrates through the soil below the road surface 5 and is connected with the drainage ditch 3, a plurality of water seepage holes 41 are formed in the section of the water seepage pipe 4 in the soil layer 11, a cotton strip 42 is filled in the water seepage pipe 4, and the cotton strip 42 extends into the drainage ditch 3.

When the green belt 1 needs to be irrigated, the first electromagnetic valve 15 and the second electromagnetic valve 231 are closed, the water pump 24 is started, water in the water collecting pipe 22 is pumped into the water draining pipe 14, and the water in the water draining pipe 14 flows into the soil layer 11 from each first through hole 141, so that the plant root system can absorb water; in addition, the cotton strip 42 is soaked in the water in the drainage ditch 3, the water is transmitted along the cotton strip 42 under the action of the capillary principle, when the soil layer 11 is dry, the water in the cotton strip 42 enters the soil layer 11 from the water seepage holes 41 in an evaporation and seepage mode, the wetting effect on the soil layer 11 is realized, and the dual guarantee is realized.

As shown in fig. 4, the safety cover 31 is provided with a moving slot 312 at an end away from the road surface 5, a flap 3121 is hinged to a slot wall of the moving slot 312, and the flap 3121 is horizontally positioned in the moving slot 312 to cover the slot opening of the moving slot 312.

As shown in fig. 4, a plurality of support frames 32 spliced along the length direction of the drainage ditch 3 are arranged in the drainage ditch 3, each support frame 32 is a flat plate with a groove, a partition plate 321 is arranged on each support frame 32, each partition plate 321 is vertically arranged and positioned between the corresponding guide groove 311 and the corresponding moving groove 312, and the space between each support frame 32 and the corresponding safety cover 31 is divided into a first area and a second area, wherein the first area is opposite to the corresponding guide groove 311, and the second area is opposite to the corresponding moving groove 312; support frame 32 is equipped with drainage layer 35 in first region, and drainage layer 35 includes by lower supreme geotechnological cloth 351 that distributes in proper order, fine sand 352 and cobble 353, and geotechnological cloth 351 tiles on support frame 32, when the rainwater falls from guiding gutter 311, through cobble 353, fine sand 352 and geotechnological cloth 351's filtration for impurity content such as particulate matter in the rainwater reduces, both be convenient for cyclic utilization, do benefit to the emergence that reduces the rainwater impurity and deposit the circumstances such as smelly in escape canal 3 again.

As shown in fig. 4, the support frame 32 is vertically provided with a servo cylinder 33 in the second region, a slide seat 331 is provided at an end of a driving rod of the servo cylinder 33, the slide seat 331 is opposite to the moving groove 312, a water conduit 34 is provided at a top end of the slide seat 331, the water conduit 34 is parallel to the road surface 5, a plurality of nozzles 341 are provided on the water conduit 34 and are arranged at intervals along a length direction of the water conduit, a delivery pump is installed on the support frame 32, a water inlet of the delivery pump extends into the drainage ditch 3 through a pipeline, and a water outlet of the delivery pump is.

The servo cylinder 33 is started to drive the sliding seat 331 to move upwards, the water guide pipe 34 pushes the flip 3121 to rotate outwards, so that the water guide pipe 34 extends out of the moving groove 312, the delivery pump is started to pump water in the drainage ditch 3 into the water guide pipe 34, each spray head 341 sprays towards the road surface 5 to cool and reduce dust on the road surface 5; after the spraying is finished, the servo cylinder 33 drives the sliding base 331 to move downwards, and the flip 3121 rotates to the moving groove 312 under the action of gravity.

The implementation principle of the embodiment of the application is as follows: when raining, a part of rainwater on the road surface 5 permeates into soil from the green belt 1, and the other part of rainwater flows into the drainage ditch 3 from the diversion trench 311 and is collected into the drainage ditch after being filtered; when the rainfall is too large and the rainwater permeation speed cannot be met, the first electromagnetic valve 15 and the second electromagnetic valve 231 are opened, part of rainwater in the soil layer 11 permeates into the drain pipe 14 and then is shunted to the municipal water network pipe and the water delivery pipe 23, and after the rainwater is shunted for a period of time, the second electromagnetic valve 231 is closed, so that a certain margin is kept in the water collection pipe 22, and the water in the water collection pipe 22 is prevented from overflowing too much.

The water storage pipe 2 and the water collection pipe 22 form a water storage pipe group, when the green belt 1 is irrigated by stored rainwater in a non-rainfall period, the rainwater in the drainage ditch 3 can be supplied into the soil layer 11 through the cotton strip 42, and can also be used for spraying on the road surface 5, so that the application range is wide, and the energy-saving and environment-friendly effects are achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sponge city drainage device which characterized in that: include from last soil horizon (11), non-woven fabrics (12) and the haydite layer (13) that distribute down in proper order, a plurality of drain pipes (14) have been laid in soil horizon (11), drain pipe (14) and municipal water net union coupling, each all set up a plurality of first through-holes (141) that distribute along drain pipe (14) length direction on drain pipe (14), the outer parcel of drain pipe (14) has filter cloth (142), and greenbelt (1) is planted on soil horizon (11) and be less than road surface (5).

2. The sponge municipal drainage device of claim 1, wherein: the drain pipe (14) is provided with a first electromagnetic valve (15).

3. The sponge municipal drainage device of claim 2, wherein: vertically be equipped with multiseriate water storage pipe (2) in haydite layer (13), each equal threaded connection has end cover (21) on water storage pipe (2), a plurality of filtration pores (211) have been seted up on end cover (21), every row the bottom of water storage pipe (2) all is connected through collector pipe (22), adjacent two be connected with branch pipe (221) between collector pipe (22), water storage pipe (2) are connected with drain pipe (14) through raceway (23), raceway (23) are equipped with second solenoid valve (231) in the one end that is close to water storage pipe (2), be equipped with water pump (24) in haydite layer (13), water pump (24) are connected with collector pipe (22) and raceway (23) through leather hose (241).

4. The sponge municipal drainage device of claim 3, wherein: and a steel wire filter screen (212) is arranged on the end cover (21).

5. The sponge municipal drainage device of claim 1, wherein: road surface (5) are equipped with escape canal (3) keeping away from one side of greenbelt (1), be equipped with safety cover (31) on escape canal (3), be equipped with guiding gutter (311) on safety cover (31), be equipped with support frame (32) in escape canal (3), be equipped with servo cylinder (33) on support frame (32), the actuating lever end connection of servo cylinder (33) has slide (331), slide (331) upper end is equipped with aqueduct (34), be equipped with a plurality of shower nozzles (341) of its length direction interval arrangement of edge on aqueduct (34), set up on safety cover (31) and supply the moving chute (312) that aqueduct (34) stretched out, be equipped with the pumping piece that is used for supplying water for aqueduct (34) on support frame (32).

6. The sponge municipal drainage device of claim 5, wherein: the groove wall of the moving groove (312) is hinged with a flip cover (3121) for covering the groove opening.

7. The sponge municipal drainage device of claim 6, wherein: be equipped with division board (321) on support frame (32), division board (321) are located between guiding gutter (311) and shifting chute (312), be equipped with on support frame (32) with guiding gutter (311) relative distribution's drainage layer (35).

8. The sponge municipal drainage device of claim 7, wherein: the water filtering layer (35) comprises geotextile (351), fine sand (352) and pebbles (353) which are sequentially distributed from bottom to top.

9. The sponge municipal drainage device of claim 8, wherein: one side that escape canal (3) deviate from road surface (5) is equipped with sump pit (36), escape canal (3) are connected through overflow pipe (361) with sump pit (36).

10. The sponge municipal drainage device of claim 1, wherein: infiltration pipe (4) have been laid in soil horizon (11), the one end and the escape canal (3) of infiltration pipe (4) are connected, a plurality of infiltration holes (41) have been seted up on infiltration pipe (4), infiltration pipe (4) intussuseption is filled with silver (42), silver (42) extend to in escape canal (3).