CN214143119U

CN214143119U - Urban road ecotype rainwater infiltration system that is detained

Info

Publication number: CN214143119U
Application number: CN202023171547.8U
Authority: CN
Inventors: 钟丽丽; 陈法龙; 陈法报
Original assignee: Pinghu Hengyi Garden Engineering Co ltd
Current assignee: Pinghu Hengyi Garden Engineering Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-07
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to an urban road ecotype rainwater infiltration detention system, which comprises a water collecting ditch arranged at the joint of a sidewalk and a motor vehicle lane, and a filtering and purifying soil layer arranged at the joint of the water collecting ditch and playing a role in filtering and purifying rainwater, wherein a horizontal grid is arranged at the upper opening of the water collecting ditch, a vertical grid is fixedly connected at one side of the horizontal grid close to the motor vehicle lane, an insertion groove is arranged on the upper surface of the water collecting ditch close to the motor vehicle lane, an insertion block fixedly connected with the vertical grid is inserted into the insertion groove, a ditch inner wall block is fixedly connected at the side of the water collecting ditch close to the sidewalk, the horizontal grid is abutted against the ditch inner wall block, the horizontal grid and the vertical grid can perform a better blocking function on most of garbage sundries with larger volume driven by the rainwater, so as to prevent the garbage sundries from entering the water collecting ditch and being accumulated on the upper surface of the filtering and purifying soil layer, and cause inconvenience in cleaning, meanwhile, the effect of rainwater infiltration is also not facilitated.

Description

Urban road ecotype rainwater infiltration system that is detained

Technical Field

The application relates to the field of sponge city structure, in particular to an urban road ecotype rainwater infiltration detention system.

Background

Sponge city is compared in traditional city, and the rainwater can be collected after falling to the road surface and ooze to the soil layer of city below in, can utilize the rainwater, replenish urban groundwater, can alleviate urban flood degree again to a certain extent, and the rainwater that falls to on the road surface is polluted easily, need carry out a filtration to the rainwater for this reason before rainwater directly permeates to secret soil layer, makes the rainwater can not cause comparatively serious pollution to groundwater source, with pollution control within the self-purification ability of groundwater.

A road rainwater biological retention ditch is disclosed as CN208949674U and comprises a ditch body which is positioned at the joint of a roadway and a sidewalk and is formed by brick masonry in an enclosing way; a kerbstone is arranged between the ditch body and the roadway, the kerbstone is provided with kerbstone openings, and an ecological medium soil layer filled with sand clay, a sand filter layer, permeable geotextile and a broken stone drainage layer are sequentially arranged in the ditch body from top to bottom; a blind pipe with a penetration hole is embedded in the gravel drainage layer; meanwhile, a sand sediment trap attached to the opening of the curbstone is arranged in the ecological medium soil layer and close to the roadway, and a filter body is filled at the bottom of the sand sediment trap.

Aiming at the related technologies, the inventor thinks that when rainwater flows to an ecological medium soil layer, some solid garbage sundries are easily brought to the ecological medium soil layer, and the defect that the solid garbage sundries are troublesome to clean exists.

SUMMERY OF THE UTILITY MODEL

In order to reduce the troublesome degree of clearance solid rubbish debris, this application provides an urban road ecotype rainwater infiltration detention system.

The application provides a pair of urban road ecotype rainwater infiltration detention system adopts following technical scheme:

the utility model provides an urban road ecotype rainwater infiltration detention system, including the catch basin of locating pavement and motor way junction, locate the catch basin and play the filtration purification soil layer of filtration purification effect to the rainwater, the upper portion opening part of catch basin is equipped with horizontal grizzly screen, and horizontal grizzly screen is close to motor way one side fixedly connected with of department and erects the grille, and the catch basin has seted up the slot near the upper surface of motor way department, and the slot is pegged graft and is had fixed connection in the inserted block of erecting the grille, and the catch basin is close to the side fixedly connected with ditch inner wall piece in the pavement, and horizontal grizzly screen butt is in ditch inner wall piece.

Through adopting above-mentioned technical scheme, horizontal grid and perpendicular grid can block the solid rubbish debris of most great volumes, make most rubbish debris be difficult to get into to the catch basin in, make the upper portion on filtration purification soil layer be difficult for appearing piling up, make the rainwater can be comparatively smooth and easy carry out the infiltration, also can make simultaneously to carry out the trouble degree reduction of clearing up to the rubbish debris in the catch basin, and peg graft the inserted block corresponding to the slot, can make horizontal grid and perpendicular grid carry out comparatively accurate installation, the existence of wall piece also makes horizontal grid comparatively stable in the ditch simultaneously.

Optionally, the horizontal grid grids and the vertical grid grids are fixedly connected with filter screens in the grid holes.

Through adopting above-mentioned technical scheme for the debris of some less volumes are difficult to get into to the catch basin through horizontal net bars and perpendicular net grid, compare simultaneously in setting up the one deck filter screen alone, and horizontal net bars and perpendicular net grid can provide a comparatively firm support, make then that the filter screen is difficult for damaging.

Optionally, the filtering and purifying soil layer sequentially comprises a cobble layer, a coarse gravel layer, a fine gravel layer, a coarse sand layer and a fine sand layer from high to low, and the particle sizes of the cobble layer, the coarse gravel layer, the fine gravel layer, the coarse sand layer and the fine sand layer are sequentially reduced.

Through adopting above-mentioned technical scheme, the rainwater passes through cobble layer, thick gravel layer, thin gravel layer, thick sand bed, thin sand bed in proper order for the rainwater that thoughtlessly has more impurity can obtain the filtration cleanness of certain degree, makes the rainwater that permeates to in the underground soil layer can not cause great pollution to underground soil layer then, carries out a final purification through the rainwater that the self-purification mode will supply with messenger's groundwater.

Optionally, a permeable concrete layer is arranged below the fine sand layer, and water collecting pipelines are arranged on two sides inside the permeable concrete layer.

Through adopting above-mentioned technical scheme for the rainwater on partial process filtration purification soil layer can enter into to water collecting pipeline and carry out a recovery through deposiing and recycle, and also be convenient for carry out sampling analysis to the rainwater, the concrete setting that permeates water moreover also makes the fine sand layer be difficult for entering into the soil layer and lead to the fine sand layer to run off.

Optionally, a drainage pipeline is arranged in the coarse gravel layer, a drainage hole is formed in the surface of the drainage pipeline in a penetrating mode, and drainage pipeline control mechanisms enabling the drainage pipeline to be communicated are arranged on the two sides, located at the drainage hole, of the drainage pipeline.

Through adopting above-mentioned technical scheme for when the rainwater is great, during water level to thick gravel layer department in the catch basin, the rainwater can get into to the drainage pipe in, in order to carry out the drainage with too much rainwater through drainage pipe and discharge, make the rainwater be difficult for overflowing from the catch basin.

Optionally, the drainage pipeline control mechanism includes two valves which are respectively arranged on two sides of the drainage pipeline, where the drainage pipeline is located at the drainage hole, in a one-to-one correspondence manner, the outer wall of the drainage pipeline is fixedly connected with a pipeline box which is far away from the drainage hole, the valves are located in the pipeline box, a pipeline motor which drives the valves to rotate is arranged in the pipeline box, and a synchronization assembly which enables the two valves to rotate synchronously is arranged in the pipeline box.

Through adopting above-mentioned technical scheme, pipeline motor intercommunication power for two valves rotate, then can control drainage pipe's intercommunication and closure, make under the not big condition of rainwater, the rainwater that enters into in the drainage pipe can not discharged, then make the rainwater carry out a filtration purification and infiltration comparatively fully.

Optionally, the synchronizing assembly includes synchronizing sheaves coaxially and fixedly connected to the two valve rotating shafts, and a synchronizing belt drivingly connected to the two synchronizing sheaves, and the output shaft of the pipe motor is coaxially and fixedly connected to the rotating shaft of one valve.

Through adopting above-mentioned technical scheme, the pipeline motor drives a synchronous sheave and rotates, and synchronous sheave drives synchronous belt transmission, makes the synchronous sheave of keeping away from the pipeline motor also can rotate in step then to make two valves open and close in step.

Optionally, the filter screen is flush with the outer side surfaces of the horizontal grid and the vertical grid.

By adopting the technical scheme, fine garbage sundries are not easy to accumulate in the grid openings of the horizontal grid and the vertical grid, the water passing capacity of the filter screen is not easy to decline, and the water passing capacity of the filter screen is ensured to be maintained in the original position as far as possible.

In summary, the present application includes at least one of the following benefits:

the horizontal grid and the vertical grid can block most of solid garbage sundries with larger volume, so that most of the garbage sundries are difficult to enter the water collecting ditch, the upper part of a filtering and purifying soil layer is not easy to accumulate, rainwater can smoothly seep downwards, the trouble degree of cleaning the garbage sundries in the water collecting ditch is reduced, the inserting blocks are inserted corresponding to the inserting grooves, the horizontal grid and the vertical grid can be accurately installed, and meanwhile, the horizontal grid is stable due to the existence of the wall blocks in the ditch;

the fine garbage sundries are not easy to accumulate in the grid openings of the horizontal grid and the vertical grid, so that the water passing capacity of the filter screen is not easy to reduce, and the water passing capacity of the filter screen is maintained in the original position as far as possible.

Drawings

FIG. 1 is a main block diagram in vertical side section of one side of a catch basin of the present application;

FIG. 2 is a schematic cross-sectional view of the side of the rough gravel layer, the soft goose layer and the water collecting ditches facing the motor vehicle lane;

fig. 3 is an enlarged view of a in fig. 2.

Description of reference numerals: 1. a water collecting ditch; 11. a synchronous sheave; 12. a synchronous belt; 2. filtering and purifying the soil layer; 21. a fine sand layer; 22. a pervious concrete layer; 23. a water collection pipe; 24. a water discharge pipeline; 25. a drain hole; 26. a valve; 28. a pipe box; 29. a pipe motor; 3. a horizontal grid; 31. a vertical grid; 32. a slot; 33. inserting a block; 34. a trench inner wall block; 35. filtering with a screen; 36. a coarse gravel layer; 37. a fine gravel layer; 38. a cobble layer; 39. a coarse sand layer.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses urban road ecotype rainwater infiltration detention system, refer to fig. 1, include along vertical direction pre-buried in the catch basin 1 of motorway and pavement junction, three sides of catch basin 1 upper portion open-ended flush in the pavement upper surface, one side that catch basin 1 is close to motorway flushes in motorway upper surface and is less than the pavement upper surface, 1 inside the laying of catch basin has certain filtration purification soil layer 2 of playing certain filtration to the rainwater.

Referring to fig. 1 and 2, three vertical inner walls of the water collecting channel 1 close to the sidewalk are fixedly connected with horizontal channel inner wall blocks 34, the same horizontal grid 3 is placed on the upper surface of all channel inner wall blocks 34, the upper surface of the horizontal grid 3 is flush with the upper surface of the sidewalk, one side bottom surface of the horizontal grid 3 close to the motorway is fixedly connected with a vertical grid 31, the vertical grid 31 is flush with the vertical side surface of the sidewalk close to the motorway, an inserting block 33 is fixedly connected with the horizontal bottom surface of the vertical grid 31, an inserting groove 32 is formed in the vertical direction of the upper surface of the water collecting channel 1 flush with the upper surface of the motorway, the inserting block 33 is inserted into the inserting groove 32 in the vertical direction, filter screens 35 are fixedly connected in grid openings of the horizontal grid 3 and the vertical grid 31, the filter screens 35 are flush with the adjacent outer side surfaces of the corresponding horizontal grid 3 and the vertical grid 31, and therefore fine garbage or stone is not easy to appear in the grid openings of the horizontal grid 3 and the vertical grid 31 And (3) stacking.

Referring to fig. 1 and 2, the filtration and purification soil layer 2 includes a cobble layer 38 laid on the upper portion of the water collection ditch 1, a coarse gravel layer 36 laid on the lower surface of the cobble layer 38, a water discharge pipe 24 embedded inside the coarse gravel layer 36, as shown in fig. 3, a plurality of water discharge holes 25 are formed through the outer circumferential wall of the bottom of the water discharge pipe 24, the water discharge pipe 24 can be communicated with a municipal sewage treatment pipeline, all the water discharge holes 25 are uniformly arranged along the length direction of the water discharge pipe 24, a water discharge pipe control mechanism for communicating the water discharge pipe 24 is arranged on both sides of the two water discharge holes 25 located farthest away from each other, the water discharge pipe control mechanism includes two valves 26 installed on the water discharge pipe 24, the two water discharge holes 25 located farthest away are located between the two valves 26, and the pipe box 28 embedded in the coarse gravel layer 36 is fixedly connected to the outer circumferential wall of the upper portion of the water discharge pipe 24, two valves 26 are arranged in a pipeline box 28, the inner wall of the pipeline box 28 is fixedly connected with a pipeline motor 29, a synchronizing component which drives the two valves 26 to rotate synchronously is arranged in the pipeline box 28, the synchronizing component comprises two synchronizing grooved wheels 11 which are respectively and fixedly connected with the two valves 26 in a coaxial mode in a one-to-one correspondence mode, a synchronizing belt 12 is connected between the two synchronizing grooved wheels 11 in a transmission mode, and the output shaft of the pipeline motor 29 is fixedly connected with a rotating shaft of one valve 26 in a coaxial mode.

Referring to fig. 1 and 2, a fine gravel layer 37 is laid below a coarse gravel layer 36, a coarse sand layer 39 is laid below the fine gravel layer 37, a fine sand layer 21 is laid below the coarse sand layer 39, a cobble layer 38, the coarse gravel layer 36, the fine gravel layer 37, the coarse sand layer 39 and the fine sand layer 21 are sequentially reduced in particle size, a permeable concrete layer 22 is poured below the fine sand layer 21, the permeable concrete layer 22 is poured on the upper surface of soil, water collecting pipes 23 are embedded in both sides of the permeable concrete layer 22, and a sedimentation tank can be arranged at one end, away from the permeable concrete layer 22, of each water collecting pipe 23 so that rainwater entering the water collecting pipes 23 can be collected and precipitated.

The implementation principle of the urban road ecotype rainwater infiltration detention system of the embodiment of the application is as follows: when rainwater flows through the horizontal grid 3 or the vertical grid 31 from a sidewalk or a motor vehicle lane, large-volume garbage sundries carried by the rainwater cannot be brought into the water collecting ditch 1, then the rainwater is filtered and purified through the cobble layer 38, the coarse gravel layer 36, the fine gravel layer 37, the coarse sand layer 39 and the fine sand layer 21 in sequence, then the rainwater enters the pervious concrete layer 22, most of the rainwater infiltrates into the soil layer, and a small part of the rainwater enters the water collecting pipeline 23 to be collected.

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 an urban road ecotype rainwater infiltration system of being detained, is including locating gutter (1) of pavement and motorway junction, locating gutter (1) and play filtration purification soil layer (2) of filtration purification effect to the rainwater, its characterized in that: the opening part of the upper part of the water collecting ditch (1) is provided with a horizontal grid (3), the horizontal grid (3) is close to one side of the motor vehicle lane and is fixedly connected with a vertical grid (31), the upper surface of the water collecting ditch (1) close to the motor vehicle lane is provided with a slot (32), the slot (32) is spliced with an insert block (33) fixedly connected with the vertical grid (31), the side surface of the water collecting ditch (1) close to the sidewalk is fixedly connected with a ditch inner wall block (34), and the horizontal grid (3) is abutted to the ditch inner wall block (34).

2. The urban road ecological rainwater infiltration and retention system according to claim 1, characterized in that: and filter screens (35) are fixedly connected in the mesh holes of the horizontal mesh grids (3) and the vertical mesh grids (31).

3. The urban road ecological rainwater infiltration and retention system according to claim 1, characterized in that: the filtering and purifying soil layer (2) sequentially comprises a cobble layer (38), a coarse gravel layer (36), a fine gravel layer (37), a coarse sand layer (39) and a fine sand layer (21) from high to low, and the particle sizes of the cobble layer (38), the coarse gravel layer (36), the fine gravel layer (37), the coarse sand layer (39) and the fine sand layer (21) are sequentially reduced.

4. The urban road ecological rainwater infiltration and retention system according to claim 3, characterized in that: and a pervious concrete layer (22) is arranged below the fine sand layer (21), and water collecting pipelines (23) are arranged on two sides inside the pervious concrete layer (22).

5. The urban road ecological rainwater infiltration and retention system according to claim 3, characterized in that: and a drainage pipeline (24) is arranged in the coarse gravel layer (36), a drainage hole (25) is formed in the surface of the drainage pipeline (24) in a penetrating mode, and drainage pipeline control mechanisms enabling the drainage pipeline (24) to be communicated are arranged on the two sides, located at the drainage hole (25), of the drainage pipeline (24).

6. The urban road ecological rainwater infiltration and retention system according to claim 5, wherein: the drainage pipeline control mechanism comprises two valves (26) which are arranged on two sides of a drainage pipeline (24) and provided with drain holes (25), the two valves (26) are arranged on the two sides of the drainage pipeline (24), the drain holes (25) are far away from a pipeline box (28) in a one-to-one correspondence mode, the valves (26) are arranged in the pipeline box (28), a pipeline motor (29) for driving the valves (26) to rotate is arranged in the pipeline box (28), and a synchronizing assembly for enabling the two valves (26) to rotate synchronously is arranged in the pipeline box (28).

7. The urban road ecological rainwater infiltration and retention system according to claim 6, wherein: the synchronous component comprises synchronous sheaves (11) which are coaxially and fixedly connected to rotating shafts of the two valves (26) and synchronous belts (12) which are in transmission connection with the two synchronous sheaves (11), and an output shaft of the pipeline motor (29) is coaxially and fixedly connected to the rotating shaft of one valve (26).

8. The urban road ecological rainwater infiltration and retention system according to claim 2, characterized in that: the filter screen (35) is flush with the outer side surfaces of the horizontal grid (3) and the vertical grid (31).