CN206245444U - rainwater infiltration system - Google Patents

Abstract

The utility model discloses a rainwater infiltration system, which comprises a seepage inspection well, a water collection well, a rainwater pipe, a water storage tank and a storage infiltration module; the seepage inspection well and the seepage inspection well are connected through a rainwater pipe; The inlet of the catchment well is connected; the outlet of the catchment well is connected to the storage infiltration module through the rainwater pipe; the lower part of the catchment well is set in the reservoir; the lower part of the catchment well is provided with a water outlet; the rainwater pipe includes an inner pipe and an outer pipe; the inner pipe and the outer pipe There is an inner cavity between them; the penetration inspection wellhead is equipped with a sewage intercepting basket; the surrounding of the sewage interception basket is provided with filter holes; the bottom of the penetration inspection well is fixed on the stable seat; Reinforcing ribs; the penetration inspection well is placed in the cushion layer composed of crushed stone layer and coarse sand layer. The utility model is beneficial to rainwater infiltration and clearing up sundries, reduces the surface flow of rainwater and the pressure of the municipal rainwater pipe network, and realizes that the rainwater is intercepted to the greatest extent and penetrates into the ground quickly.

Description

rainwater infiltration system

technical field

The utility model relates to a sewage treatment device, in particular to a rainwater infiltration system.

Background technique

The rainwater infiltration system refers to a treatment system in which the natural infiltration system of the original ecology is destroyed, and the rainwater cannot be replenished to the ground again.

For a long time, whether it is residential development or the construction of public infrastructure such as roads, squares, and underground pipe networks, most of them have been hardened with reinforced concrete, which has completely changed the original ecology of the surface, increased rainwater runoff, and led to the loss of rainwater resources. The system is disordered, and geological disasters occur from time to time, which intensifies urban waterlogging, smog, and the heat island effect. Once it rains for a long time, if the sewers cannot drain the rainwater in a timely and smooth manner, serious urban waterlogging will occur.

Although the above-mentioned rainwater storage system in the prior art can meet certain needs, it still has certain defects: for example, the construction of the ecological filter and the ecological grass ditch system is inconvenient, resulting in low construction efficiency and high cost, which can be replicated Poor performance is not conducive to large-scale industrial production.

Utility model content

The technical problem to be solved by the utility model is to provide a rainwater infiltration system that is conducive to rainwater penetration and easy to clean up debris; reduces the surface flow of rainwater and the pressure of the municipal rainwater pipe network, and realizes that the rainwater is intercepted to the maximum and quickly penetrates into the ground. .

In order to solve the above technical problems, the technical solution of the utility model is: a rainwater infiltration system, including a seepage inspection well, a catchment well, a rainwater pipe, a water storage tank, and a storage infiltration module; The rainwater pipe is communicated; the end of the seepage inspection well is communicated with the inlet of the catchment well through the rainwater pipe; the outlet of the catchment well is connected to the storage infiltration module through the rainwater pipe; the lower part of the catchment well is arranged at In the reservoir; the lower part of the catchment well is provided with a water outlet; the rainwater pipe includes an inner tube and an outer tube; an inner cavity is provided between the inner tube and the outer tube; a support is provided in the inner cavity frame; the inner pipe is provided with a water inlet, and the outer pipe is provided with a water outlet; the water inlet and the water outlet are staggered; the top of the penetration inspection well is open and the bottom is closed; the penetration inspection The wellhead of the well is provided with an intercepting basket; the surroundings of the intercepting basket are provided with filter holes; the top of the intercepting basket is provided with a well cover, and the well cover is provided with a water hole; the bottom of the penetration inspection well is fixed on a stable On the seat; the height of the water inlet of the seepage inspection well is lower than the height of the water outlet; the lower part of the water inlet is provided with permeable holes; the outer wall of the seepage inspection well is provided with horizontal and vertical reinforcements; The penetration inspection well is placed in the cushion layer composed of the first crushed stone layer and the first coarse sand layer; a first geotextile is arranged between the first crushed stone layer and the first coarse sand layer; The stone layer and the first geotextile are located at the lower edge of the water inlet.

Preferably, a leakage layer is provided around the seepage inspection well, catchment well and rainwater pipe; the leakage layer is composed of a second crushed stone layer, a geotextile permeable layer, and a coarse sand cushion from inside to outside.

Preferably, the storage infiltration module is provided with a planting soil layer, a second coarse sand layer, a second geotextile, a geogrid, a mixed layer of gravel and coarse sand, and a third geotextile from top to bottom.

Preferably, the water outlet hole is provided with a cone, and the top of the cone is provided with a through hole.

Preferably, the distance between the seepage inspection well and the seepage inspection well is 20-30 meters; the distance between the seepage inspection well and the catchment well is 20-30 meters.

Preferably, the number of the seepage inspection wells is 2-5, which are sequentially connected in series through the rainwater pipes.

The beneficial effects of the utility model are: 1. Since the rainwater pipe of the present utility model adopts an inner tube and an outer tube to form a structure, the inner tube is provided with a water inlet hole, and the outer tube is provided with a water outlet hole; the water inlet hole and the water outlet hole are staggered; The rainwater in the pipe enters the inner cavity through the water inlet hole, and then is discharged to the ground through the water outlet hole on the outer pipe, so as to replenish water to the underground. Pipe; 2. Since the position of the water outlet of the penetration inspection well of the utility model is higher than that of the water inlet, when the rainwater enters the wellbore from the water inlet or the well cover, it is easy to form water pressure, and a part of the rainwater penetrates from around the wellbore under the action of water pressure. The holes infiltrate into the soil layer around the shaft, which not only increases the water content in the soil, which is beneficial to the growth of plants, but also reduces the amount of rainwater entering the municipal drainage pipes, reducing the pressure on the municipal rainwater drainage pipes; in addition, the interception basket It can be taken out directly from the well cover for cleaning, and can also be opened from the well cover to clean the inside of the wellbore, which is convenient to use; the outer wall of the penetration inspection well is equipped with horizontal and vertical reinforcement ribs, which enhances the strength of the penetration inspection well. Extend the service life; 3. The seepage inspection well is placed in the cushion layer composed of the first crushed stone layer and the first coarse sand layer, which is conducive to rainwater seepage, supplements groundwater sources, reduces the surface flow of rainwater and the pressure of municipal rainwater pipe networks, and realizes It maximizes the retention of rainwater and quickly penetrates into the ground.

Description of drawings

Fig. 1 is the structural representation of the utility model rainwater infiltration system;

Figure 2 is an enlarged view of part a of Figure 1;

Figure 3 is an enlarged view of Figure 1b;

Fig. 4 is the structural representation of the rainwater pipe 3 of the rainwater infiltration system of the present invention;

FIG. 5 is a cross-sectional view of FIG. 4 .

detailed description

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model will be further described. It should be noted here that the descriptions of these implementations are used to help understand the utility model, but are not intended to limit the utility model. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

As shown in Figure 1, a rainwater infiltration system of the present utility model comprises a seepage inspection well 1, a catchment well 2, a rainwater pipe 3, a reservoir 4 and a storage infiltration module 5; Communication through the rainwater pipe 3; the end of the penetration inspection well 1 communicates with the entrance of the catchment well 2 through the rainwater pipe 3; the outlet 21 of the catchment well 2 is connected to the storage infiltration module 5 through the rainwater pipe 3; the lower part of the catchment well 2 is arranged in the reservoir 4; The bottom of catchment well 2 is provided with outlet hole 22, and this seepage inspection well 1 quantity can be a plurality of, according to actual needs design, preferably 2-5 in the utility model, successively connects in series by rainwater pipe 3; This seepage inspection well 1 The distance from the seepage inspection well 1 is 20-30 meters; the distance between the seepage inspection well 1 and the catchment well 2 is 20-30 meters.

As shown in Figures 4 to 5, the rainwater pipe 3 includes an inner tube 31 and an outer tube 32; an inner cavity 33 is provided between the inner tube 31 and the outer tube 32; a support frame 34 is provided in the inner cavity 33; The water hole 35, the outer pipe is provided with a water outlet hole 36; the water inlet hole 35 and the water outlet hole 36 are arranged in a staggered manner; the top end of the penetration inspection well 1 is open and the bottom end is closed;

As shown in Figure 2, the wellhead of the penetration inspection well 1 is provided with an interception basket 11; it is used to intercept larger impurities and prevent impurities from clogging the pipeline; filter holes 12 are provided around the interception basket 11; the top of the interception basket 11 is arranged There is a well cover 13, and the well cover 13 is provided with a flow hole 14; the bottom of the penetration inspection well 1 is fixedly arranged on the stable seat 15; the height of the water inlet 16 of the penetration inspection well 1 is lower than the height of the water outlet 17; There are permeation holes 18; the outer wall of the permeation inspection well 1 is provided with transverse reinforcement ribs 19 and vertical reinforcement ribs 20; the permeation inspection well 1 is placed in the cushion layer composed of the first gravel layer 6 and the first coarse sand layer 7; A first geotextile 8 is arranged between a gravel layer 6 and the first coarse sand layer 7 ; the first gravel layer 6 and the first geotextile 8 are located at the lower edge of the water inlet 16 .

In order to be more convenient for leakage, a leakage layer 9 is provided around the seepage inspection well 1, the catchment well 2 and the rainwater pipe 3; The sand cushion layer 93 is composed.

Further, the storage infiltration module 5 is provided with a planting soil layer 51, a second coarse sand layer 52, a second geotextile 53, a geogrid 54, a gravel and coarse sand mixed layer 55, and a third geotextile 56 from top to bottom; When the rainfall intensity is high, a certain amount of rainwater can be temporarily stored in the storage infiltration structure, and gradually infiltrate into the ground after the rainfall ends, further reducing the surface flow of rainwater and the pressure of the municipal rainwater pipe network, and realizing the maximum interception of rainwater and rapid penetrate into the ground.

In order to facilitate drainage of the rainwater pipe 3 and avoid blockage, the outlet hole 36 is provided with a cone 37, and the top of the cone 37 is provided with a through hole (not shown in the figure); through the setting of the cone 37, the external silt can be reduced from entering the inner cavity 33 , and the silt in the inner cavity 33 can be discharged from the inner cavity 33 at the same time.

The embodiments of the utility model have been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the utility model, various changes, modifications, replacements and modifications to these embodiments still fall within the protection scope of the utility model.

Claims (6)

1. a kind of rainwater penetration system, including penetration inspection well (1), charge for remittance well (2), rain pipe (3), cistern (4) and storage Osmosis module (5)；Connected by the rain pipe (3) between the penetration inspection well (1) and penetration inspection well (1)；It is described to ooze The end of saturating inspection shaft (1) is connected by the rain pipe (3) with the entrance of the charge for remittance well (2)；Charge for remittance well (2) go out Mouth (21) connects storage osmosis module (5) by the rain pipe (3)；The bottom of the charge for remittance well (2) is arranged on described In cistern (4)；The bottom of the charge for remittance well (2) is provided with apopore (22), it is characterised in that：The rain pipe (3) includes Inner tube (31) and outer tube (32)；Inner chamber (33) is provided between said inner tube (31) and outer tube (32)；It is provided with the inner chamber (33) Support frame (34)；Said inner tube (31) is provided with inlet opening (35), and the outer tube is provided with apopore (36)；The inlet opening (35) and The apopore (36) is staggered setting；Penetration inspection well (1) top end opening, bottom end closure；The penetration inspection well (1) Well head is provided with and cuts dirty basket (11)；Described section of dirty basket (11) is formed around filter bores (12)；The top of described section of dirty basket (11) is set There is well lid (13), the well lid (13) is provided with discharge orifice (14)；Penetration inspection well (1) bottom is fixedly installed on stabilizing base (15) on；Height of the height of the water inlet (16) of the penetration inspection well (1) less than delivery port (17)；The water inlet (16) Bottom is formed around permeability hole (18)；Penetration inspection well (1) outer wall is formed around cross reinforcing (19) and vertical reinforcement Muscle (20)；The penetration inspection well (1) is placed in the bed course of the first metalling (6) and the first coarse sands layer (7) composition；Described first The first geotextiles (8) are provided between metalling (6) and the first coarse sands layer (7)；First metalling (6) and the first geotextiles (8) positioned at the lower edge of the water inlet (16).

2. rainwater penetration system according to claim 1, it is characterised in that：The penetration inspection well (1), charge for remittance well (2) and Rain pipe (3) is formed around seepage floor (9)；The seepage floor (9) is from inside to outside successively by the second metalling (91), geotextiles Permeable formation (92), coarse sand bed course (93) composition.

3. rainwater penetration system according to claim 1, it is characterised in that：Storage osmosis module (5) sets from top to bottom It is equipped with plantation soil layer (51), the second coarse sands layer (52), the second geotextiles (53), GSZ (54), gravel and coarse sand mixed layer And the 3rd geotextiles (56) (55).

4. rainwater penetration system according to claim 1, it is characterised in that：The apopore (36) is provided with bullet (37), The top of the bullet (37) is provided with through hole.

5. rainwater penetration system according to claim 1, it is characterised in that：The penetration inspection well (1) and penetration inspection well The distance between (1) it is 20-30 meters；The distance between the penetration inspection well (1) and charge for remittance well (2) are 20-30 meters.

6. the rainwater penetration system according to any one of claim 1 to 5, it is characterised in that：Penetration inspection well (1) number It is 2-5 to measure, and passes sequentially through the rain pipe (3) concatenation.