CN111395488A - A pipeline drainage structures for building sponge city - Google Patents

A pipeline drainage structures for building sponge city Download PDF

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Publication number
CN111395488A
CN111395488A CN202010132361.7A CN202010132361A CN111395488A CN 111395488 A CN111395488 A CN 111395488A CN 202010132361 A CN202010132361 A CN 202010132361A CN 111395488 A CN111395488 A CN 111395488A
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CN
China
Prior art keywords
pipe
filtering
filtering pipe
filter
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010132361.7A
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Chinese (zh)
Inventor
郑银湖
黄友友
张志海
吴茂鹏
郑凯武
朱丽娜
郭飞
樊建英
李沐阳
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Guangdong Jingyuan Construction Engineering Co ltd
Original Assignee
Guangdong Jingyuan Construction Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Jingyuan Construction Engineering Co ltd filed Critical Guangdong Jingyuan Construction Engineering Co ltd
Priority to CN202010132361.7A priority Critical patent/CN111395488A/en
Publication of CN111395488A publication Critical patent/CN111395488A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/002Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/04Pipes or fittings specially adapted to sewers
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/02Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F2201/00Details, devices or methods not otherwise provided for
    • E03F2201/10Dividing the first rain flush out of the stormwater flow

Abstract

The invention relates to a pipeline drainage structure for constructing a sponge city, which comprises a plurality of inspection wells and drainage pipes, wherein the inspection wells are arranged at equal intervals along a green belt, the drainage pipes are laid along the green belt, a first filtering pipe and a second filtering pipe which are mutually sleeved are arranged in each inspection well, the first filtering pipe and the second filtering pipe slide relatively, and the end parts of the first filtering pipe and the second filtering pipe which are mutually overlapped are provided with sealing devices; threaded pipes with the same caliber are arranged at the end parts, far away from each other, of the first filtering pipe and the second filtering pipe, filtering devices can be detachably arranged in the first filtering pipe and the second filtering pipe, and the filtering precision of the filtering devices is gradually increased along the flow direction of water flow; the end parts of the first filtering pipe and the second filtering pipe which are far away from each other are respectively communicated with a water drainage pipe. Through adopting above-mentioned technical scheme, have and carry out prefilter to the rainwater to be convenient for clear up stifled effect, reduce the road ponding's that leads to because of the drainage is not smooth the condition.

Description

A pipeline drainage structures for building sponge city
Technical Field
The invention relates to the technical field of sponge cities, in particular to a pipeline drainage structure for building a sponge city.
Background
The current sponge city refers to 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 when raining, and releases and utilizes the stored water when needed. Sponge city construction should follow ecological priority principle etc. combines together natural way and artificial measures, under the prerequisite of guaranteeing urban drainage waterlogging prevention safety, furthest realizes that rainwater stores up, permeates and purifies in the urban area, promotes the utilization of rainwater resource and ecological environment protection.
The existing urban cement road surface is more, a green belt extending along a road is usually laid in the middle of the road surface, accumulated water on a municipal road is guided to the green belt along the inclination angle of the road surface during rainfall, a rainwater drainage pipe is laid in the green belt, rainwater on the road is collected through the rainwater drainage pipe, and the rainwater is conveyed to a sewage treatment plant or a reservoir for other use.
The above prior art solutions have the following drawbacks: because there is a large amount of earth in the greenbelt, the rainwater wraps up in the silt etc. and flows into the drain pipe, leads to the drain pipe to silt up easily, and then makes the drainage smooth, road ponding scheduling problem, consequently has the space of improving.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a pipeline drainage structure for building a sponge city, which has the effects of preliminarily filtering rainwater, facilitating the cleaning of siltation and reducing the condition of road ponding caused by unsmooth drainage.
The above object of the present invention is achieved by the following technical solutions:
a pipeline drainage structure for building a sponge city comprises a plurality of inspection wells and drainage pipes, wherein the inspection wells are arranged at equal intervals along a green belt, the drainage pipes are laid along the green belt, a first filtering pipe and a second filtering pipe which are mutually sleeved are arranged in each inspection well, the first filtering pipe and the second filtering pipe slide relatively, and the end parts of the first filtering pipe and the second filtering pipe which are mutually overlapped are provided with sealing devices; threaded pipes with the same caliber are respectively installed at the end parts, far away from each other, of the first filtering pipe and the second filtering pipe, filtering devices can be detachably installed in the first filtering pipe and the second filtering pipe, and the filtering precision of the filtering devices is gradually increased along the flow direction of water flow; the end parts of the first filtering pipe and the second filtering pipe, which are far away from each other, are respectively communicated with a water drainage pipe.
Through adopting above-mentioned technical scheme, lay the drain pipe and the interval is provided with the inspection shaft in the greenbelt in the middle of the town road, the drain pipe passes through the inspection shaft, and sets up first filter tube and second filter tube in the inspection shaft. The end parts of the first filter pipe and the second filter pipe, which are far away from each other, are used for being communicated with the pipeline, an external threaded pipe can be installed or an external thread is arranged on the section of the pipeline, and the first filter pipe and the second filter pipe are respectively in threaded connection with the two sections of the pipeline, so that the installation of the pipeline filter device is realized, and the installation is simple, convenient and quick. Wherein the end parts of the first filtering pipe and the second filtering pipe which are overlapped with each other are provided with sealing devices, so that the fluid in the pipeline is prevented from flowing out from the end parts of the first filtering pipe and the second filtering pipe which are sleeved. And the first filter pipe and the second filter pipe can be internally provided with a filter device in a detachable mode, and fluid flowing through the pipeline is filtered through the filter devices. When filter equipment needs to be cleaned in the using process, the first filter pipe can be removed from the pipeline, then the second filter pipe slides, the first filter pipe and the second filter pipe are overlapped, the space for cleaning the filter equipment is left, and the filter equipment is convenient to clean. Compared with the existing mode that the filter needs to be integrally detached, the filter is simple, convenient and quick to operate, simple in structure and low in cost. The rainwater filter has the effects of preliminarily filtering rainwater, facilitating the cleaning of siltation and reducing the condition of road ponding caused by unsmooth drainage.
The present invention in a preferred example may be further configured to: the water discharge pipe is communicated with a plurality of branch pipes which are horizontally arranged, the branch pipes are communicated with a water guide pipe which is vertically arranged, and a plurality of water inlet holes are formed in the water guide pipe in a penetrating mode.
Through adopting above-mentioned technical scheme, the drainage ability of greenbelt has been improved in setting up of branch pipe and aqueduct to reduce the condition that leads to ponding to overflow and make road ponding because of the greenbelt infiltration speed is slow, be favorable to keeping the road surface dry and comfortable and improve the utilization ratio of rainwater.
The present invention in a preferred example may be further configured to: the periphery of the water guide pipe is wrapped with geotextile, the geotextile covers the water inlet holes, and the opening of the geotextile is bound.
Through adopting above-mentioned technical scheme, shelter from the inlet opening through geotechnological cloth, utilize the water permeability of geotechnological cloth to filter so, reduce sand and soil and get into the inlet opening to reduce the condition that the aqueduct blockked up.
The present invention in a preferred example may be further configured to: the inspection well is internally provided with a crawling ladder, an inclined base is fixed in the inspection well, the first filter pipe and the second filter pipe are located below the base, the base is hinged with an inspection door, the bottom end of the base is communicated with a water drain pipe, and the water drain pipe is communicated with the water drain pipe.
Through adopting above-mentioned technical scheme, the setting up convenient to use person of cat ladder changes filter equipment in getting into the inspection shaft, and wherein the setting up convenient to use person of base opens the inspection door to and the rainwater falls into the inspection shaft when the rainfall after, can the water conservancy diversion to in the drain pipe, and then flow through the drain pipe and handle on next step.
The present invention in a preferred example may be further configured to: the first filter pipe is sleeved on the peripheral surface of the second filter pipe; the sealing device comprises a rubber ring sleeved with the second filter pipe, the inner diameter of the rubber ring is equal to the outer diameter of the second filter pipe, and the outer diameter of the rubber ring is equal to the inner diameter of the first filter pipe; the outer peripheral surface of the end part of the second filter pipe in the first filter pipe is fixedly provided with a first limiting ring with the same outer diameter as the inner diameter of the first filter pipe in a protruding mode, the first limiting ring is sleeved on the inner peripheral surface of one end of the second filter pipe to fix a second limiting ring with the same inner diameter as the outer diameter of the second filter pipe, the rubber ring is located between the first filter pipe and the second filter pipe, and the first limiting ring and the second limiting ring clamp the rubber ring tightly.
Through adopting above-mentioned technical scheme, cup joint first filter tube in second filter tube outer peripheral face, then the internal diameter of first filter tube is greater than the external diameter of second filter tube. The peripheral surface of the second filter pipe is sleeved with a rubber ring, and the rubber ring has certain deformability and toughness. The rubber ring sets up between first spacing ring and second spacing ring, and when first filter tube and second filter tube were connected with two sections of pipeline respectively, first filter tube and second filter tube kept away from the motion each other to make first spacing ring and second spacing ring be close to the motion each other, and then do the tight action of clamp to the rubber ring through first spacing ring and second spacing ring. The gap between the first limiting ring and the second limiting ring is sealed through deformation of the rubber ring, and the sealing effect of the end parts of the first filtering pipe and the second filtering pipe which are overlapped with each other is achieved. The installation and the sealing of the pipeline filtering device are carried out simultaneously, and the operation is simple, convenient and quick.
The present invention in a preferred example may be further configured to: a butting ring is fixed on the inner peripheral surface of the first filtering pipe and is positioned at one end, far away from the second filtering pipe, of the first filtering pipe; the filter device comprises a filter net bag, wherein a filter ring with the same size as the abutting ring is fixed at the edge of the filter net bag, and the filter ring is abutted to one side, close to the water inlet direction, of the abutting ring.
Through adopting above-mentioned technical scheme, the internal diameter of the butt ring of first filter tube inner peripheral surface is less than the internal diameter of first filter tube to the setting is in the one end of keeping away from the second filter tube. The filtering device comprises a filtering net bag of which the edge is fixed with a rigid filtering ring, and the filtering ring is abutted against one side of the abutting ring close to the water inlet direction. Thereby when rivers flow through the filtration string bag, great impurity in the rivers is held back through the filtration string bag to make the string bag remain stable on the spacing ring under the thrust effect of rivers, reduced the use of connecting piece. Thereby being more convenient and faster when cleaning and replacing the filter net bag.
The present invention in a preferred example may be further configured to: the inner peripheral surface of the second filter pipe is provided with two groups of first grooves which are opposite, the length direction of each first groove is parallel to the axis of the second filter pipe, one end of each first groove penetrates through one end, located in the first filter pipe, of the second filter pipe, and the inner peripheral surface of the second filter pipe is also provided with a second groove communicated with the first grooves; the filter device comprises a filter plate, a sliding block is fixed on the outer peripheral surface of the filter plate, the position of the sliding block is matched with the first groove, and the sliding block slides in the first groove and the second groove.
Through adopting above-mentioned technical scheme, the tip of first recess link up the second recess to the slider that makes the filter can follow first recess and get into and slide to the interior joint of second recess, thereby realizes the quick installation or the dismantlement to the filter, and simple structure also is difficult for droing when receiving the rivers impact.
The present invention in a preferred example may be further configured to: the first grooves are communicated with a plurality of second grooves which are arranged along the length direction of the first grooves.
Through adopting above-mentioned technical scheme, the setting of a plurality of second recesses can supply to install the filter of more quantity on the second filter tube, is favorable to progressively improving filter fineness.
The present invention in a preferred example may be further configured to: and one end of the second filtering pipe, which is far away from the first filtering pipe, is fixedly provided with an expanding pipe, and the inner diameter of the expanding pipe is the same as that of the first filtering pipe.
By adopting the technical scheme, the arrangement of the flaring pipe with the inner diameter being the same as that of the first filter pipe ensures that the calibers of the two ends of the pipeline filter device are the same, and the pipeline filter device is convenient to install between the sections of the same pipeline and is convenient to install.
The present invention in a preferred example may be further configured to: the first filter pipe is far away from one end of the second filter pipe and the flared pipe are provided with internal threads.
Through adopting above-mentioned technical scheme, the internal screw thread sets up two sections intercommunications of first filter tube of being convenient for and flared tube and pipeline to threaded connection's mode is that first spacing ring and second spacing ring can progressively press from both sides tightly the rubber ring, makes the rubber ring evenly deform, fills the clearance between first spacing ring and the second spacing ring, improves water-proof effects.
In conclusion, the invention has the following beneficial effects:
1. the first filter pipe and the second filter pipe which are mutually sleeved and can relatively slide are arranged, and the filter devices are arranged in the first filter pipe and the second filter pipe, so that the connection relation between the first filter pipe and a pipeline is conveniently removed, and then the first filter pipe is slid to form a gap for cleaning or replacing the filter devices at intervals between the first filter pipe and the pipeline, so that compared with the prior art, the filter does not need to be dismounted wholly, the filter devices are conveniently and quickly cleaned, and the pipeline intercepting time is shortened; the drainage structure has the effects of preliminarily filtering rainwater, facilitating the cleaning of siltation and reducing road water accumulation caused by unsmooth drainage;
2. the end of the second filter pipe, which is far away from the first filter pipe, is provided with the flared pipe with the same inner diameter as that of the first filter pipe, so that the two end openings of the pipeline filter device are the same in diameter, and the pipeline filter device is convenient to mount on a cut section of a pipeline;
3. carry out spacing and support to filter screen bag and filter through the mode of joint or butt, be favorable to shortening the clearance or change the time of filter screen bag and filter, further shorten the time that the pipeline dams.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural view of the drain pipe in this embodiment;
FIG. 3 is a sectional view showing the structure of an inspection well in this embodiment;
FIG. 4 is a cross-sectional view of the first filtering conduit and the second filtering conduit of the present embodiment;
FIG. 5 is an enlarged view taken at A in FIG. 4;
fig. 6 is an exploded view of the structure of the first filtering pipe and the second filtering pipe in this embodiment.
Reference numerals: 1. a green belt; 11. an inspection well; 12. a drain pipe; 13. a branch pipe; 14. a water conduit; 15. geotextile; 2. a first filtering pipe; 21. a second stop collar; 22. a butting ring; 3. a second filtering pipe; 31. a first limit ring; 32. a first groove; 33. a second groove; 34. a flared tube; 4. a rubber ring; 51. a filter net bag; 52. a filter ring; 6. a filter plate; 61. a slider; 71. climbing a ladder; 72. a base; 73. an inspection door; 74. a drain pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 2, the pipeline drainage structure for constructing a sponge city disclosed by the invention comprises a plurality of inspection wells 11 arranged at equal intervals along the length direction of a green belt 1 and drainage pipes 12 laid along the length direction of the green belt 1, wherein the drainage pipes 12 penetrate through the inspection wells 11, the drainage pipes 12 are communicated with a plurality of branch pipes 13 arranged horizontally, and the branch pipes 13 are arranged along the length direction of the drainage pipes 12. The branch pipe 13 is communicated with a water guide pipe 14 which extends vertically and upwards, and a plurality of water inlet holes are arranged on the water guide pipe 14 in a penetrating way. The outer peripheral surface of the water guide pipe 14 is wrapped with the geotextile 15, the geotextile 15 covers each water inlet hole, the opening of the geotextile 15 is bound, and the water inlet holes are plugged by the geotextile 15, so that the sand and the soil can be prevented from entering the water guide pipe 14 and the drain pipe 12 from the water inlet holes.
As shown in fig. 2 to 3, a protective net is mounted on the top end of the inspection well 11, a ladder 71 is mounted in the inspection well 11, an inclined base 72 is fixed in the inspection well 11, the drain pipe 12 passes through the lower part of the base 72, the base 72 is hinged with an inspection door 73, the bottom end of the base 72 is communicated with a drain pipe 74, and the drain pipe 74 is communicated with the drain pipe 12.
As shown in fig. 3 to 4, a first filtering pipe 2 and a second filtering pipe 3 are installed in the inspection well 11, which are sleeved with each other, and the end portions of the first filtering tank and the second filtering pipe 3, which are far away from each other, are respectively communicated with a drain pipe 12, wherein an external thread pipe may be pre-fixed at the joint of the drain pipe 12, or an external thread may be manually formed at the joint. The internal diameter of first filter tube 2 is greater than the external diameter of second filter tube 3, and first filter tube 2 and second filter tube 3 cup joint each other and slide.
The end parts of the first filtering pipe 2 and the second filtering pipe 3 which are overlapped with each other are provided with a sealing device, the sealing device comprises a rubber ring 4 which is sleeved with the second filtering pipe 3, the inner diameter of the rubber ring 4 is equal to the outer diameter of the second filtering pipe 3, and the outer diameter of the rubber ring 4 is equal to the inner diameter of the first filtering pipe 2; wherein the outer peripheral surface of the end part of the second filtering pipe 3 in the first filtering pipe 2 is fixed with a first limiting ring 31 with the same outer diameter as the inner diameter of the first filtering pipe 2 in a protruding way, the inner peripheral surface of one end of the first limiting pipe 3 is sleeved with a second limiting ring 21 with the same inner diameter as the outer diameter of the second filtering pipe 3; rubber ring 4 set up in between first filter tube 2 and the second filter tube 3, when first filter tube 2 and second filter tube 3 and the end of cutting of target drain pipe 12 were connected, first spacing ring 31 and the tight rubber ring 4 of second spacing ring 21 clamp, seal the clearance between first spacing ring 31 and the second spacing ring 21 through the deformation of rubber ring 4, and then realize sealing the tip of the mutual coincidence of first filter tube 2 and second filter tube 3.
As shown in fig. 3 to 5, an abutting ring 22 having an inner diameter smaller than that of the first filtering pipe 2 is fixed to the inner circumferential surface of the first filtering pipe 2, and the abutting ring 22 is located at one end of the first filtering pipe 2 away from the second filtering pipe 3; all can dismantle in first filter tube 2 and the second filter tube 3 and install filter equipment, filter equipment includes filter screen bag 51, and filter screen bag 51's edge is fixed with the filter ring 52 that the size is unanimous with butt ring 22, filter ring 52 with butt ring 22 is close to the one side butt that comes the water direction.
The inner peripheral surface of the second filter pipe 3 is provided with two groups of first grooves 32 which are opposite, the length direction of the first grooves 32 is parallel to the axis of the second filter pipe 3, one end of each first groove 32 penetrates through one end of the second filter pipe 3 positioned in the first filter pipe 2, and the inner peripheral surface of the second filter pipe 3 is also provided with a second groove 33 communicated with the first grooves 32; the filtering device comprises a filtering plate 6, two groups of sliding blocks 61 are symmetrically fixed on the peripheral surface of the filtering plate 6, and the sliding blocks 61 slide in the first groove 32 and the second groove 33. The sliding block 61 is rotated into the second groove 33 after entering from the first groove 32 to realize clamping, so that the filter plate 6 is fixed. Thereby make filtration string bag 51 and filter 6 not use the connecting piece can with first filter tube 2 and the installation of second filter tube 3, be favorable to reducing the condition of connecting piece corrosion, also be convenient for swiftly clear up or dismantle filter equipment. Wherein, a plurality of second grooves 33 have been seted up on two sets of first grooves 32, and second grooves 33 arranges along the length direction of first grooves 32, and second grooves 33 on two sets of first grooves 32 are along the central line central symmetry of second filter tube 3 to all with two slider 61 and second spout joint when rotating filter 6.
As shown in fig. 5 to 6, a flared tube 34 is fixed to an end of the second filtering tube 3 remote from the first filtering tube 2, and the inner diameter of the flared tube 34 is the same as that of the first filtering tube 2. The end of the first filtering pipe 2 far away from the second filtering pipe 3 and the flared pipe 34 are both provided with internal threads.
The sliding stroke of the second stop collar 21 is set equal to the maximum distance between the first stop collar 31 and the abutment collar 22. When making first filter tube 2 slide along second filter tube 3, carry on spacingly through flared tube 34 and butt ring 22 to the removal stroke of first filter tube 2, also be favorable to the filter 6 to be close to the one end that second filter tube 3 was kept away from to first filter tube 2 as far as possible, be convenient for clear up or dismantle the filter tube.
The implementation principle of the embodiment is as follows:
when the pipeline drainage structure for constructing the sponge city is used, an external thread pipe is fixed or an external thread is formed at the cut-off end of the target drainage pipe 12, then the first filtering pipe 2 and the second filtering pipe 3 matched with the caliber specification of the external thread are selected, and the distance between the two cut-off ends of the target drainage pipe 12 is slightly larger than the total length of the combination of the first filtering pipe 2 and the second filtering pipe 3 when the first limiting ring 31 and the second limiting ring 21 are abutted to the rubber ring 4. Then, the first filter pipe 2 and the flared pipe 34 are respectively in threaded connection with two cut ends of the drain pipe 12, and the rubber ring 4 is clamped to be deformed by the pressing force of the threads, so that the rubber ring 4 seals the gap between the first limiting ring 31 and the second limiting ring 21.
When the filter net bags 51 or the filter plates 6 of the first filter pipes 2 and the second filter pipes 3 need to be replaced or cleaned, the connection relation between the first filter pipes 2 and the target drain pipes 12 is removed, then the first filter pipes 2 slide along the second filter pipes 3, a certain distance is reserved between the cut-off ends of the first filter pipes 2 and the target drain pipes 12, a user can take out the filter net bags 51 and the filter plates 6 from the distance in sequence, and the replacement or cleaning can be completed through the installation of the opposite steps after the cleaning. Make this drainage structures have and carry out prefilter to the rainwater to be convenient for clear up stifled effect, reduce the condition of road ponding because of the not smooth road that leads to of drainage.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. The utility model provides a pipeline drainage structures for building sponge city, characterized by: the device comprises a plurality of inspection wells (11) which are arranged at equal intervals along a green belt (1) and drain pipes (12) which are laid along the green belt (1), wherein a first filter pipe (2) and a second filter pipe (3) which are mutually sleeved are arranged in the inspection wells (11), and sealing devices are arranged at the end parts of the first filter pipe (2) and the second filter pipe (3) which relatively slide and are mutually overlapped; threaded pipes with the same caliber are respectively installed at the end parts, far away from each other, of the first filtering pipe (2) and the second filtering pipe (3), filtering devices are detachably installed in the first filtering pipe (2) and the second filtering pipe (3), and the filtering precision of the filtering devices is gradually increased along the flow direction of water flow; the end parts of the first filtering pipe (2) and the second filtering pipe (3) which are far away from each other are respectively communicated with a drain pipe (12).
2. The pipe drainage structure for constructing the sponge city as claimed in claim 1, wherein: the water discharge pipe (12) is communicated with a plurality of branch pipes (13) which are horizontally arranged, the branch pipes (13) are communicated with a water guide pipe (14) which is vertically arranged, and a plurality of water inlet holes are formed in the water guide pipe (14) in a penetrating mode.
3. The pipe drainage structure for constructing the sponge city as claimed in claim 2, wherein: the outer peripheral surface of the water guide pipe (14) is wrapped with geotextile (15), the geotextile (15) covers the water inlet holes, and the opening of the geotextile (15) is bound.
4. The pipe drainage structure for constructing the sponge city as claimed in claim 1, wherein: a ladder stand (71) is arranged in the inspection well (11), an inclined base (72) is fixed in the inspection well (11), the first filter pipe (2) and the second filter pipe (3) are located below the base (72), the base (72) is hinged to an inspection door (73), a drain pipe (74) is communicated with the bottom end of the base (72), and the drain pipe (74) is communicated with the drain pipe (12).
5. The pipe drainage structure for constructing the sponge city as claimed in claim 1, wherein: the first filtering pipe (2) is sleeved on the peripheral surface of the second filtering pipe (3); the sealing device comprises a rubber ring (4) which is sleeved with the second filtering pipe (3), the inner diameter of the rubber ring (4) is equal to the outer diameter of the second filtering pipe (3), and the outer diameter of the rubber ring (4) is equal to the inner diameter of the first filtering pipe (2); the outer peripheral face of the end portion of the second filtering pipe (3) in the first filtering pipe (2) is fixedly provided with a first limiting ring (31) in a protruding mode, the outer diameter of the first limiting ring is the same as the inner diameter of the first filtering pipe (2), the first limiting pipe is sleeved on the inner peripheral face of one end of the second filtering pipe (3) to fix a second limiting ring (21), the inner diameter of the first limiting ring is the same as the outer diameter of the second filtering pipe (3), the rubber ring (4) is located between the first filtering pipe (2) and the second filtering pipe (3), and the first limiting ring (31) and the second limiting ring (21) clamp the rubber ring (4).
6. The pipe drainage structure for constructing the sponge city as claimed in claim 1, wherein: an abutting ring (22) is fixed on the inner circumferential surface of the first filtering pipe (2), and the abutting ring (22) is positioned at one end, far away from the second filtering pipe (3), of the first filtering pipe (2); the filter equipment includes filtration string bag (51), the edge of filtration string bag (51) is fixed with the size with the filtration ring (52) that butt ring (22) is unanimous, filtration ring (52) with butt ring (22) are close to one side butt of coming the water direction.
7. The pipe drainage structure for constructing the sponge city as claimed in claim 1, wherein: two groups of opposite first grooves (32) are formed in the inner peripheral surface of the second filtering pipe (3), the length direction of each first groove (32) is parallel to the axis of the second filtering pipe (3), one end of each first groove (32) penetrates through one end, located in the first filtering pipe (2), of the second filtering pipe (3), and a second groove (33) communicated with the first grooves (32) is further formed in the inner peripheral surface of the second filtering pipe (3); the filter device comprises a filter plate (6), a sliding block (61) which is matched with the first groove (32) in position is fixed on the peripheral surface of the filter plate (6), and the sliding block (61) slides in the first groove (32) and the second groove (33).
8. The pipe drainage structure for constructing the sponge city as claimed in claim 7, wherein: the first grooves (32) are communicated with a plurality of second grooves (33), and the second grooves (33) are arranged along the length direction of the first grooves (32).
9. The pipe drainage structure for constructing the sponge city as claimed in claim 1, wherein: one end, far away from the first filtering pipe (2), of the second filtering pipe (3) is fixedly provided with a flared pipe (34), and the inner diameter of the flared pipe (34) is the same as that of the first filtering pipe (2).
10. The pipe drainage structure for constructing the sponge city as claimed in claim 1, wherein: internal threads are formed in one end, far away from the second filtering pipe (3), of the first filtering pipe (2) and the flaring pipe (34).
CN202010132361.7A 2020-02-29 2020-02-29 A pipeline drainage structures for building sponge city Pending CN111395488A (en)

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CN208309325U (en) * 2018-04-25 2019-01-01 浙江国丰集团有限公司 A kind of novel town road discharge structure
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