CN217811462U

CN217811462U - A distributed regulation structure for sponge city

Info

Publication number: CN217811462U
Application number: CN202221702301.5U
Authority: CN
Inventors: 王君瑶; 程连军; 田路; 蔡佰理; 吴慧聪
Original assignee: Zhuhai Huafa Architectural Design Consulting Co Ltd; Zhuhai Huafa Group Co Ltd
Current assignee: Zhuhai Huafa Architectural Design Consulting Co Ltd; Zhuhai Huafa Group Co Ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-15
Anticipated expiration: 2032-07-04

Abstract

The utility model provides a distributed regulation and storage structure for sponge cities, which comprises an ecological infiltration canal, a drainage blind pipe, a water collecting main pipe, a water storage module, a basement roof structure, a siphon drainage pipe and a drainage main pipe; the ecological seepage channel comprises waterlogging-resistant plants, planting soil and a gravel layer which are sequentially arranged from top to bottom, the drainage blind pipe is buried in the gravel layer, two ends of the water collecting main pipe are respectively connected with the drainage blind pipe and the water storage module, and the drainage blind pipe is connected with the water collecting main pipe in a T-shaped structure; the retaining module sets up in basement roof structure top edge, and the one end of siphon drain pipe is arranged in the retaining module, and the other end links to each other with the house steward, and house steward inserts municipal drainage pipe network nearby. The utility model discloses the idle dispersion region at make full use of basement top does not occupy the basement area, also need not the degree of depth excavation ground, and dispersedly sets up in district basement top and inserts municipal drainage network nearby, reduces tubular product, and has reduced the pipeline burial depth, reduces the expense of construction.

Description

A distributed regulation structure for sponge city

Technical Field

The utility model relates to a water supply and drainage field, concretely relates to distributed regulation structure for sponge city.

Background

The sponge city is a new generation city rain and flood management concept, means that the city can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, realizes the functions of water absorption, water storage, water seepage, water purification and the like when raining, can be also called as a water elasticity city, and is constructed by a low-influence development rainwater system in an international general term. In the current sponge city construction, for residential district projects, a centralized regulation and storage water pool is constructed for a plurality of projects, and a common method is to adopt a centralized buried PP module or arrange a centralized regulation and storage water pool in a basement.

However, the concentrated buried PP module has the problems of high cost, large buried depth and large occupied area, and the concentrated storage water pool arranged in the basement is usually a reinforced concrete water pool or a brick water pool, so that the basement area is occupied. Simultaneously, because the rainwater will concentrate and flow into regulation and storage pond, still can lead to drain pipe quantity many, the operating cost is high, and later stage operation maintenance requires also than higher.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a distributed storage regulation structure for sponge cities, which not only makes full use of the idle distributed area at the top of the basement, but also does not need to deeply excavate the ground; the cost of pipe and pipeline buried depth and earth excavation construction is reduced, and the operation and maintenance cost is effectively reduced.

The technical scheme of the utility model is realized like this:

a distributed regulation and storage structure for sponge cities comprises ecological seepage channels, drainage blind pipes, a water collecting main pipe, a water storage module, a basement roof structure, siphon drainage pipes and a drainage main pipe; the ecological seepage channel comprises waterlogging-resistant plants, planting soil and a gravel layer which are sequentially arranged from top to bottom, the drainage blind pipe is buried in the gravel layer, two ends of the water collecting main pipe are respectively connected with the drainage blind pipe and the water storage module, and the drainage blind pipe is connected with the water collecting main pipe in a T-shaped structure; the retaining module sets up in basement roof structure top edge, and the one end of siphon drain pipe is arranged in the retaining module, and the other end links to each other with the sewer, and the sewer inserts municipal drainage pipe network nearby.

Furthermore, the drainage blind pipe is horizontally laid in the gravel layer and is in the same horizontal direction with the water collecting main pipe.

Furthermore, the pipe wall of the drainage blind pipe is provided with a plurality of small holes.

Furthermore, the water storage module is a water storage PP module, a reinforced concrete water tank or a brick water tank, impermeable geotextiles are laid around and at the bottom of the water storage module, permeable geotextiles are laid at the top of the water storage module, and sand protection layers are filled outside the impermeable geotextiles and the permeable geotextiles.

Further, still be equipped with the sand cushion outside the retaining module bottom, the below of sand protective layer is located to the sand cushion, and the sand cushion below is equipped with the concrete bottom plate.

Further, retaining module top is equipped with the access hole, and siphon drain pipe top is located to the access hole, and the access hole includes access hole well lid, access hole pit shaft and access hole well seat.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses by ecological infiltration canal, drainage blind pipe, receive water house steward, retaining module, basement roof structure, siphon drain pipe and drainage house steward constitute, the drainage blind pipe links to each other with receiving water house steward with "T" shape structure, the retaining module sets up in basement roof structure top edge, make full use of the idle dispersion region at basement top, do not occupy the basement area, also need not carry out the degree of depth excavation to ground, the dispersion sets up in district basement top and inserts municipal drainage pipe network nearby, reduce tubular product, and reduced the pipeline buried depth, reduce the expense of earthwork excavation construction; when the water level rises to a certain degree at the water storage module, the siphon drain pipe can be emptied without power, and the operation and maintenance cost is reduced.

Drawings

Fig. 1 is a schematic cross-sectional view of a distributed storage structure for a sponge city according to the present invention;

fig. 2 is a schematic plan view of a distributed storage structure for sponge city according to the present invention.

The attached drawings are as follows: 1-ecological infiltration canals; 2-waterlogging tolerant plants; 3-planting soil; 4-a gravel layer; 5-drainage blind pipes; 6-collecting a water main pipe; 7-a water storage module; 8-a sand protective layer; 9-a sand cushion layer; 10-concrete floor; 11-basement roof construction; 12-permeable geotextile; 13-manhole cover; 14-a manhole shaft; 15-manhole well base; 16-impermeable geotextile; 17-siphon drain pipe; 18-main drain pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the utility model provides a distributed regulation and storage structure for sponge city, including ecological infiltration canal 1, drainage blind pipe 5, receive water header pipe 6, retaining module 7, basement roof structure 11, siphon drain pipe 17 and drainage header pipe 18, ecological infiltration canal 1 includes waterlogging-resistant plant 2, planting soil 3 and gravel layer 4 that set gradually from top to bottom, through ecological drainage, avoids setting up water treatment facilities, reduces equipment investment and later stage operation and maintenance expense; drainage blind pipe 5 buries among gravel layer 4, and drainage blind pipe 5 and retaining module 7 are connected respectively to the both ends of receiving water main 6, and drainage blind pipe 5 links to each other with "T" shape structure with receiving water main 6, and retaining module 7 sets up in 11 top edges of basement roof structure, and siphon drain pipe 17's one end is arranged in retaining module 7, and the other end links to each other with water main 18, and water main 18 inserts municipal drainage pipe network nearby. When raining, surface runoff in the catchment area is collected in the ecological infiltration canal, naturally filtered and infiltrated through the waterlogging-resistant plants 2 and the planting soil 3 in the infiltration canal, accumulated in the gravel layer 4, and excess rainwater is collected through the drainage blind pipe 5 and enters the water storage module 7 through the water collecting main pipe 6. When the water level in the module reaches a certain degree, negative pressure is generated in the siphon drain pipe 17, and water accumulated in the module is naturally drained through the drain main pipe 18 due to the siphon phenomenon. Because retaining module 7 does not occupy the basement area, can with the utility model discloses a distributed regulation structure dispersion sets up in district basement top and inserts municipal drainage network nearby, can match the regulation capacity of retaining module 7 in a flexible way according to catchment subregion size moreover, makes the regulation design in sponge city more rationalize.

Furthermore, the drainage blind pipe 5 is horizontally laid in the gravel layer 4 and is positioned in the same horizontal direction with the water collecting main pipe 6, so that the construction cost of pipeline laying is reduced.

Furthermore, the wall of the drainage blind pipe 5 is provided with a plurality of small holes, so that the permeability of the water body is ensured, and the serious water accumulation phenomenon in the ecological infiltration canal 1 is avoided.

Further, retaining module 7 is retaining PP module, reinforced concrete pond or brick pond, retaining module 7 is paved all around and the bottom has prevention of seepage geotechnological cloth 16, guarantees the leakproofness and the waterproof nature of module, and the geotechnological cloth 12 that permeates water is laid at the top of retaining module 7, and prevention of seepage geotechnological cloth 16 and the geotechnological cloth 12 that permeates water fill sand protective layer 8 outward, and the water in the soil above retaining module 7 also can go into naturally and ooze to retaining module 7 in, improves rainwater regulation efficiency.

Further, still be equipped with sand cushion 9 outside water storage module 7 bottom, sand cushion 9 locates the below of sand protective layer 8, plays the effect of isolated surrounding soil layer, and sand cushion 9 below is equipped with concrete bottom plate 10, as the bearing basis.

Further, 7 tops of retaining module are equipped with the access hole, and siphon drain pipe 17 tops are located to the access hole, and the access hole includes access hole well lid 13, access hole pit shaft 14 and access hole well seat 15, makes things convenient for personnel to overhaul the retaining module.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a distributed regulation structure for sponge city which characterized in that: the ecological seepage ditch comprises an ecological seepage ditch (1), a drainage blind pipe (5), a water collecting main pipe (6), a water storage module (7), a basement top plate structure (11), a siphon drainage pipe (17) and a drainage main pipe (18);

the ecological seepage channel (1) comprises waterlogging-resistant plants (2), planting soil (3) and a gravel layer (4) which are sequentially arranged from top to bottom, the drainage blind pipe (5) is buried in the gravel layer (4), two ends of the water collecting main pipe (6) are respectively connected with the drainage blind pipe (5) and the water storage module (7), and the drainage blind pipe (5) is connected with the water collecting main pipe (6) in a T-shaped structure;

retaining module (7) set up in basement roof structure (11) top edge, the one end of siphon drain pipe (17) is located in retaining module (7), the other end with drain main (18) link to each other, drain main (18) access municipal drainage pipe network nearby.

2. The decentralized storage configuration for sponge cities according to claim 1, characterized in that: the drainage blind pipe (5) is horizontally laid in the gravel layer (4) and is in the same horizontal direction with the water collecting main pipe (6).

3. The decentralized storage configuration for sponge cities according to claim 2, characterized in that: the wall of the drainage blind pipe (5) is provided with a plurality of small holes.

4. The decentralized storage configuration for sponge cities according to claim 1, characterized in that: the retaining module (7) is retaining PP module, reinforced concrete pond or brick pond, the retaining module (7) is spread all around and the bottom has prevention of seepage geotechnological cloth (16), geotechnological cloth (12) of permeating water is laid at the top of retaining module (7), prevention of seepage geotechnological cloth (16) with geotechnological cloth (12) of permeating water fills sand protective layer (8) outward.

5. The decentralized storage configuration for sponge cities according to claim 4, characterized in that: the water storage module (7) is characterized in that a sand cushion layer (9) is arranged outside the bottom of the water storage module (7), the sand cushion layer (9) is arranged below the sand protection layer (8), and a concrete bottom plate (10) is arranged below the sand cushion layer (9).

6. The decentralized storage configuration for sponge cities according to claim 1, characterized in that: retaining module (7) top is equipped with the access hole, the access hole is located siphon drain pipe (17) top, the access hole includes access hole well lid (13), access hole pit shaft (14) and access hole well seat (15).