CN212896766U

CN212896766U - Sponge city water circulating system

Info

Publication number: CN212896766U
Application number: CN202020707599.3U
Authority: CN
Inventors: 陈玉
Original assignee: Wuhan Tsgreencity Technology Co ltd
Current assignee: Wuhan Tsgreencity Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-04-06
Anticipated expiration: 2030-04-30

Abstract

The utility model provides a sponge city water circulation system, which comprises a water collecting device, a first water pumping device, a water filtering device, a water storage tank, a second water pumping device and a water using device, wherein the water collecting device is provided with a plurality of water collecting pipes, rainwater can be rapidly collected when raining, a planting soil layer can well keep the rainwater permeated, the collected rainwater can be pumped into the water filtering device by the first water pumping device, and the rainwater without silt and impurities is obtained and stored for later use by the water storage tank after the action of a multilayer drainage plate and a filter plate; through the rainwater suction water installation in second pumping device will the cistern, the water installation is used the rainwater in city garden or resident family, and the rainwater part that has used flows into water-collecting device once more, realizes the circulation of rainwater, possesses fine practicality and possesses fine practicality.

Description

Sponge city water circulating system

Technical Field

The utility model relates to a sponge city technical field especially relates to a sponge city water circulating system.

Background

The sponge city is a new generation of city rainfall flood management concept, and refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and the city can also be called as a water elasticity city. In the construction concept of sponge city, the rainwater can absorb, store, seep and purify water when raining, and the stored rainwater can be released and utilized when needed, so that the rainwater can freely migrate in the city. The current method and measures for realizing the ecological sponge city are single, comprehensive and effective rainfall flood management cannot be realized, and effective utilization and recycling of rainwater cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide one kind and can collect the rainwater fast effectively and purify the rainwater of recycling, realize the sponge city water circulating system of rainwater at the city inner loop.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sponge city water circulating system, including water-collecting device, first pumping device, water filtering device, water storage box, second pumping device and water consuming device, wherein:

the water collecting device comprises a planting soil layer, a sandstone layer, a plurality of water collecting pipes and a water discharging pipe, wherein the planting soil layer and the sandstone layer are sequentially arranged from top to bottom, the water discharging pipe is partially arranged in the sandstone layer, one end of each water collecting pipe is communicated with the water discharging pipe, and the other end of each water collecting pipe is communicated with the outer surface of the water collecting device after penetrating through the sandstone layer and the planting soil layer;

the first water pumping device comprises a first water pumping pipe, a first water pumping pump and a first water discharging pipe, the first water pumping pipe is communicated with the first water discharging pipe through the first water pumping pump, and one end, far away from the first water pumping pump, of the first water pumping pipe is communicated with a water discharging pipe;

the water filtering device comprises a device shell, at least two drainage plates, a filtering plate, a water inlet pipeline and a water outlet pipeline, wherein one end of the water inlet pipeline is communicated with one end of the first water discharge pipe, which is far away from the first water suction pump; the other end of the water inlet pipeline is communicated with a first side plate of the device shell, one end of the water outlet pipeline is communicated with a second side plate of the device shell, the other end of the water outlet pipeline is communicated with the upper part of the water storage tank, the bottom edges of at least two drainage plates are connected with a bottom plate of the device shell, the drainage plates are divided into two groups, one side edge of one group of drainage plates is connected with a third side plate of the device shell, and one side edge of the other group of drainage plates is connected with a fourth side plate of the device shell; a filter plate is connected between the other side edge of each drainage plate and the device shell;

the second pumping device comprises a second pumping pipe, a second pumping pump and a second water discharge pipe, the second pumping pipe and the second water discharge pipe are communicated through the second pumping pump, one end, far away from the second pumping pump, of the second pumping pipe is communicated with the lower portion of the water storage tank, and one end, far away from the second pumping pump, of the second water discharge pipe is communicated with the water using device.

Optionally, the filter includes filter core and two spacing silk screens, and two spacing silk screen intervals set up and two spacing silk screens all connect another side and the device shell of drainage plate, and the filter core is inserted and is established between two spacing silk screens.

Optionally, the other side of the flow guide plate is inclined relative to the one side of the flow guide plate in the direction close to the water inlet pipe.

Optionally, the drainage plates in one group are sequentially staggered with the drainage plates in the other group.

Optionally, water-collecting device still includes the reservoir irrigation pond, and the reservoir irrigation pond sets up at the lateral part of planting the soil layer, and the upper portion of reservoir irrigation pond is provided with the opening, and the reservoir irrigation pond is provided with a plurality of apopores towards the terminal surface of planting the soil layer.

Optionally, the upper part of the end face, deviating from the planting soil layer, of the water storage irrigation pool is provided with an interception plate, and the interception plate is provided with a water filtering hole.

Optionally, the water-collecting device still includes the guide plate, and the one end of guide plate is connected with the bottom of the terminal surface of water storage irrigation pond towards planting the soil layer, and the other end and the drain pipe of guide plate are connected, and the relative one end of guide plate of the other end of guide plate sets up to planting the soil layer slope, and the drain pipe has the water conservancy diversion hole, and the water conservancy diversion hole sets up on being located the pipe shaft of the drain pipe of guide plate towards planting soil layer's terminal surface one side.

Optionally, the end face of the guide plate facing the planting soil layer is connected with the guide hole.

Optionally, the drain pipe is arranged along the length direction of the water collecting device, the water collecting pipes are equally divided into a plurality of water collecting pipe groups, and the water collecting pipe groups are communicated with the drain pipe at equal intervals.

Optionally, the water consuming device comprises a residential water pipe, a shower head or a mobile sprinkler.

The utility model provides a sponge city water circulation system, because the water collecting device is provided with a plurality of water collecting pipes, rainwater can be rapidly collected when raining, and the planting soil layer can well keep the rainwater permeated into, and the collected rainwater can be pumped into the water filtering device by the first water pumping device, and after the action of the multilayer drainage plate and the filter plate, the rainwater without silt and impurities is obtained and stored by the water storage tank for later use; through the rainwater suction water installation in second pumping device will the cistern, the water installation is used the rainwater in city garden or resident family, and the rainwater part that has used flows into water-collecting device once more, realizes the circulation of rainwater, possesses fine practicality.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a sponge city water circulation system of the present invention;

fig. 2 is a schematic sectional view in one direction of the water filtering device of the present invention;

fig. 3 is a schematic sectional structure view of the water collecting device of the present invention.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

As shown in fig. 1, the embodiment of the utility model discloses a sponge city water circulating system includes water collecting device 1, first pumping device, water filtering device, water storage box 4, second pumping device and water consuming device 6 to water collecting device 1, first pumping device 2, water filtering device 3, water storage box 4, second pumping device 5 and water consuming device 6 set gradually, in the shared action in the sponge city.

Specifically, fig. 3 is the utility model discloses a water-collecting device's cross sectional structure schematic diagram, combine fig. 1 and fig. 3 to show, this embodiment sponge urban water circulation system's water-collecting device 1 is including planting soil layer 11, grit layer 12, a plurality of collector pipes 13, drain pipe 14, retaining irrigation pond 15 and guide plate 16, wherein plant soil layer 11 and grit layer 12 from last to setting gradually down, water-collecting device 1 is the one side that sets up on urban road surface, be used for guide water and drainage, and in this embodiment, urban road surface is all connected to the both sides of planting soil layer 11 and grit layer 12, guide urban road surface's ponding to water-collecting device 1 in, the landscape vegetation such as flowers and plants is planted at the upper surface of planting soil layer 11 and is used for beautifying water-collecting device 1. The sandstone layer 12 is used for increasing the strength of the planting soil layer 11 and avoiding the dangers that the planting soil layer 11 is soft and collapses when the accumulated water is too much. In the embodiment, the drainage pipe 14 is partially disposed in the gravel layer 12, the drainage pipe 14 is a long-strip-shaped pipe, the length direction of the drainage pipe 14 is the same as the length direction of the water collecting device 1, so that the water of the whole water collecting device 1 can be gathered in the water discharging pipe 14, of course, the water discharging pipe 14 can be arranged into a plurality of sectional water discharging pipes according to the requirement, and each of the segmented water discharge pipes is connected to a number of water collecting pipes 13, for example 5 in this embodiment, one end of the water collecting pipe 13 is communicated with the water discharging pipe 14, the other end of the water collecting pipe 13 is communicated with the outer surface of the water collecting device 1 after passing through the sandstone layer 12 and the planting soil layer 11, the water collecting device 1 is used for collecting accumulated water through the water collecting pipes 13, the accumulated water enters the corresponding water discharging pipes 14 through the corresponding water collecting pipes 13, is finally collected through the water discharging pipes 14 and is rapidly discharged through the water discharging pipes 14, and the accumulated water is avoided.

And irrigation pool 15 sets up the lateral part at planting soil layer 11, particularly, irrigation pool 15 sets up between planting soil layer 11 and urban road surface, in this embodiment, urban road surface is all connected to the both sides because planting soil layer 11 and gravel layer 12, so irrigation pool 15 is all provided with irrigation pool 15 to the both sides of planting soil layer 11, irrigation pool 15 arranges along water collector 1's length direction for rectangular shape, irrigation pool 15's upper portion is provided with the opening, irrigation pool 15 is provided with a plurality of apopores 17 towards planting soil layer 11's terminal surface, apopore 17 can be the round hole, scattered distribution of square hole and other pass is on irrigation pool 15 towards the terminal surface of planting soil layer 11, apopore 17 also can be that rectangular shape hole arranges along water collector 1's length direction, this embodiment does not do specific restriction. When raining, the rainwater can be collected in the reservoir irrigation pond 15, and the back is filled with in the reservoir irrigation pond 15, and the rainwater that spills over gets into corresponding drain pipe 14 through collector pipe 13 and drains away, and after the rain stops, the inside rainwater of reservoir irrigation pond 15 can slowly seep water to planting soil layer 11 through apopore 17 to reach and plant 11 moisturizing of soil layer for a long time, guarantee to plant the plant on the soil layer 11 and can obtain the nourishment of water all the time. Through the water collecting device 1 with the structure, rainwater can be discharged quickly, and certain rainwater can be accumulated to irrigate vegetation for a long time.

Further, the upper portion of the end face of the water storage and irrigation pool 15, which is far away from the planting soil layer 11, is provided with a blocking plate 18, the blocking plate 18 is provided with water filtering holes, and since rainwater can wash away garbage on the urban road surface, the blocking plate 18 is arranged, the height of the blocking plate 18 exceeds the height of the urban road surface, so that the garbage on the urban road surface can be blocked by the blocking plate 18, and rainwater can enter the water storage and irrigation pool 15 and the water collection device 1 through the water filtering holes, and it is worth noting that the blocking plate 18 can also be of a net structure.

Further, in this embodiment, the middle of the upper surface of the planting soil layer 11 is provided with a ditch which is recessed downwards, the two sides of the ditch are provided with slope surfaces, one end of each slope surface, which is far away from the ditch, is higher than one end of each slope surface, which is close to the ditch, and rainwater overflowing from the water storage irrigation pool 15 can flow into the ditch along the slope surfaces during raining, so that accumulated water can be collected conveniently.

Furthermore, one end of the deflector 16 of the water collecting device 1 of the present embodiment is connected to the bottom of the end surface of the irrigation water storage pool 15 facing the planting soil layer 11, and the other end of the deflector 16 is connected to the drain pipe 14, and it should be noted that in the present embodiment, the deflector 16 is disposed on both sides of the drain pipe 14. The guide plate 16 is also a strip shape, the guide plate is arranged along the length direction of the water collecting device 1, and one end of the other end of the guide plate 16 opposite to the guide plate 16 is inclined towards the planting soil layer 11, at the moment, the sandstone layer 12 is positioned above the inclined plane of the guide plate 16, through the guide plate 16, water seeping out of the water storage irrigation pool 15 and coming into the future and being planted and absorbed can flow downwards along the guide plate 16, the drain pipe 14 is provided with a guide hole 19, the guide hole 19 is arranged on the pipe body of the drain pipe 14 positioned on one side of the end surface of the guide plate 16 facing the planting soil layer 11, specifically, the end surface of the guide plate 16 facing the planting soil layer 11 is connected with the guide hole 19, the flowing water downwards along the guide plate 16 can enter the guide hole 19, so that the water is collected and. It is noted that when the drain pipe 14 is provided as a plurality of sectional drain pipes as needed, the baffle 16 may be provided as a plurality of sections as needed and connected to the plurality of sectional drain pipes in a one-to-one correspondence.

Specifically, in the present embodiment, five water discharge pipes 14 are arranged as a group of water collection pipe groups, and a plurality of groups of water collection pipe groups are arranged on the water discharge pipes 14 along the length direction of the water collection device 1, and the groups of water collection pipe groups are arranged on the water discharge pipes 14 in a communication manner at equal intervals. And the water collecting pipes 13 in each group of water collecting pipe groups are arranged at equal intervals in the width direction of the water discharging pipe 14. It should be noted that when the drain pipe 14 is provided as a plurality of segmented drain pipes as required, a set of water collecting pipe groups may be provided on each segmented drain pipe. In five water collecting pipes 13 in each group of water collecting pipe groups, the water collecting pipe 13 at the middle is connected with the lowest point of the ditch, the water collecting pipes 13 at the two sides are connected with the two sides of the ditch, rainwater is collected in a step shape, and the collecting efficiency is higher.

Further, the first water pumping device 2 of the water circulation system of the present embodiment includes a first water pumping pipe 21, a first water pumping pump 22 and a first water discharging pipe 23, the first water pumping pipe 21 and the first water discharging pipe 23 are communicated through the first water pumping pump 22, one end of the first water pumping pipe 21, which is far away from the first water pumping pump 22, is communicated with the water discharging pipe 14, and one end of the first water discharging pipe 23, which is far away from the first water pumping pump 22, is communicated with the water filtering device 3. Since the drain pipe 14 is located at the bottom of the water collecting device 1, the rainwater in the drain pipe 14 can be smoothly introduced into the water filtering device 3 by pumping up the rainwater through the first pumping pipe 21, and the first pumping device 2 can accelerate the water outlet speed of the drain pipe 14 to avoid untimely drainage in heavy rain.

Fig. 2 is the utility model discloses an ascending sectional structure schematic diagram of water filtering device one side, combine fig. 1 and fig. 2 to show, the water filtering device 3 of the sponge city water circulating system of this embodiment includes device shell 31, two drainage plates 32, filter 33, inlet channel 34 and outlet conduit 35, device shell 31 is square, bury underground at the below ground, the one end of inlet channel 34 and the one end intercommunication of first suction pump 22 is kept away from to first bleeder 23, the other end of inlet channel 34 and the first curb plate 311 intercommunication of device shell 31, the rainwater can be inside along inlet channel 34 entering device shell 31 under first suction pump 22's effect. And one end of the outlet pipe 35 communicates with the second side plate 312 of the device case 31, and the other end of the outlet pipe 35 communicates with the upper portion of the water reservoir 4. The first side plate 311 and the second side plate 312 are disposed opposite to each other. And two flow-guiding plates 32 are disposed inside the device housing 31, the two flow-guiding plates 32 are arranged vertically, the bottom edges of both flow-guiding plates 32 are connected to the bottom plate of the device housing 31, and one side edge of one flow-guiding plate 32 is connected to the third side plate 313 of the device housing 31, one side edge of the other flow-guiding plate 32 is connected to the fourth side plate 314 of the device housing 31, the third side plate 313 and the fourth side plate 314 are disposed opposite to each other, and the third side plate 313 and the fourth side plate 314 are connected between the first side plate 311 and the second side plate 312. And a filter plate 33 is connected between the other side of each flow guide plate 32 and the device housing 31. It should be noted that the number of the flow-guiding plates 32 of this embodiment can be set according to actual needs, for example, three, four or more, when a plurality of flow-guiding plates 32 are provided, the plurality of flow-guiding plates 32 are divided into two groups, one side of one group of flow-guiding plates 32 is connected to the third side plate 313 of the device housing 31, one side of the other group of flow-guiding plates 32 is connected to the fourth side plate 314 of the device housing 31, and the flow-guiding plates 32 in one group are sequentially staggered with the flow-guiding plates 32 in the other group, that is, if one side of the flow-guiding plate 32 closest to the water inlet pipe 34 is connected to the third side plate 313 of the device housing 31, one side of the flow-guiding plate 32 second closest to the water inlet pipe 34 is connected to the fourth side plate 314 of the device housing 31, and one side of the flow-guiding plate 32 third closest to the water inlet pipe 34 is connected to the, the more the flow is hindered by the flow guide plate 32, the better the settling effect of the solid matter and the better the filtering effect by the filter plate 33.

Furthermore, the filter plate 33 includes a filter element 331 and two limiting wire meshes 332, the two limiting wire meshes 332 are disposed at an interval, and the two limiting wire meshes 332 are both connected to the other side of the flow guide plate 32 and the device housing 31, the limiting wire meshes 332 may be welded and fixed by a metal wire mesh, or bonded by a plastic wire mesh, which is mainly used for blocking large particles, and the filter element 331 is inserted between the two limiting wire meshes 332 and fixed by the limiting wire meshes 332. The filter element 331 is made of sponge, asbestos cloth or active carbon and the like, and can be taken out for cleaning after impurities are absorbed and used, so that the cost is low. It should be noted that the aperture of the mesh of the position-limiting screen 332 in one filter plate 33 is smaller than that of the adjacent position-limiting screen 332 in the filter plate 33 close to the water inlet pipe 34, that is, the smaller the aperture of the mesh of the position-limiting screen 332 close to the water outlet pipe 35, so that the filter element 331 has better adsorption effect.

Further, another side of drainage plate 32 inclines to the direction that is close to inlet channel 34 for a side of drainage plate 32, and the angle of slope can make drainage plate 32 to the hindrance grow of water, but also can not be too big, and too big leads to rivers reverse to be swagged and forms the vortex, is unfavorable for the sediment of solid particle, and consequently, the inclination of drainage plate 32 is that 2 ~ 8 are comparatively suitable.

Further, drainage plate 32 cavity sets up, and a side of drainage plate 32 and device shell 31's outside intercommunication, so, drainage plate 32 and device shell 31 can be regarded as that panel concatenation combination forms, also can be that panel is buckled and is formed, has not only alleviateed the quality of whole device, has reduced material cost to manufacturing process is also simple.

Further, the device case 31 includes a case main body constituted by the first side plate 311, the second side plate 312, the third side plate 313, the fourth side plate 314, and the bottom plate of the device case 31, and an upper cover 315; the upper cover 315 is detachably connected to the upper end portion of the housing main body. The upper cover 315 is opened to facilitate replacement of the filter element 331 and cleaning of sediment at the bottom.

Furthermore, the water filtering device 3 further comprises a cement casing 36, the cement casing 36 is disposed outside the device casing 31, the cement casing 36 completely covers the first side plate 311, the second side plate 312, the third side plate 313, the fourth side plate 314 and the bottom plate of the device casing 31, and the cement casing 36 not only enables the strength of the device casing 31 to be higher, but also separates the device casing 31 from external soil, thereby preventing the device casing 31 from being rusted and prolonging the service life of the device casing 31.

In a step of updating, the water storage tank 4 is a super-large-capacity tank body and is buried in the ground, rainwater flows into the water storage tank 4 after being filtered and is stored, and the rainwater is to be taken out for use, the second water pumping device 5 of the water circulation system of the embodiment is required, the second water pumping device 5 includes a second water pumping pipe 51, a second water pumping pump 52 and a second water discharging pipe 53, the second water pumping pipe 51 and the second water discharging pipe 53 are communicated through the second water pumping pump 52, one end of the second water pumping pipe 51 far away from the second water pumping pump 52 is communicated with the lower portion of the water storage tank 4, and one end of the second water discharging pipe 53 far away from the second water pumping pump 52 is communicated with the water using device 6. The water-consuming device 6 can be a water pipe in the house of the residents, and can also be a shower head or a mobile sprinkler for watering flowers in the garden. In a sponge city, used rainwater is discharged, and part of the unvaporized rainwater flows into the water collecting device 1 again to realize circulation.

The embodiment of the specification provides a sponge urban water circulation system, as the water collection device 1 is provided with a plurality of water collection pipes, rainwater can be rapidly collected during raining, the planting soil layer can well keep the rainwater permeated into the planting soil layer, the collected rainwater can be pumped into the water filtering device 3 by the first water pumping device 2, and the rainwater without silt and impurities is obtained and stored by the water storage tank for later use after the effect of the multilayer drainage plates and the filter plates; through the rainwater suction water installation 6 of second pumping device 5 in with the cistern, water installation 6 is used the rainwater in city garden or resident family, and the rainwater part that has used flows into water-collecting device 1 once more, realizes the circulation of rainwater, possesses fine practicality.

The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. It should be noted that, for those skilled in the art, without departing from the principle of the present application, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present application.

Claims

1. The utility model provides a sponge city water circulating system which characterized in that, includes water collecting device, first pumping device, water filtering device, water storage box, second pumping device and water consuming device, wherein:

the water collecting device comprises a planting soil layer, a gravel layer, a plurality of water collecting pipes and a water discharging pipe, wherein the planting soil layer and the gravel layer are sequentially arranged from top to bottom, the water discharging pipe is partially arranged in the gravel layer, one end of each water collecting pipe is communicated with the water discharging pipe, and the other end of each water collecting pipe penetrates through the gravel layer and the planting soil layer and is communicated with the outer surface of the water collecting device;

the first water pumping device comprises a first water pumping pipe, a first water pumping pump and a first water discharging pipe, the first water pumping pipe and the first water discharging pipe are communicated through the first water pumping pump, and one end, far away from the first water pumping pump, of the first water pumping pipe is communicated with the water discharging pipe;

the water filtering device comprises a device shell, at least two drainage plates, a filtering plate, a water inlet pipeline and a water outlet pipeline, wherein one end of the water inlet pipeline is communicated with one end of the first water discharge pipe, which is far away from the first water suction pump; the other end of the water inlet pipeline is communicated with the first side plate of the device shell, one end of the water outlet pipeline is communicated with the second side plate of the device shell, the other end of the water outlet pipeline is communicated with the upper part of the water storage tank, the bottom edges of at least two drainage plates are connected with the bottom plate of the device shell, the drainage plates are divided into two groups, one side edge of one group of drainage plates is connected with the third side plate of the device shell, and one side edge of the other group of drainage plates is connected with the fourth side plate of the device shell; the filter plate is connected between the other side edge of each drainage plate and the device shell;

the second pumping device comprises a second pumping pipe, a second pumping pump and a second water discharge pipe, the second pumping pipe passes through the second water discharge pipe, the second pumping pipe is far away from one end of the second pumping pump and the lower portion of the water storage box, and the second water discharge pipe is far away from one end of the second pumping pump and the water using device.

2. The sponge city water circulating system of claim 1, wherein the filter plate comprises a filter element and two limiting wire meshes, the two limiting wire meshes are arranged at intervals and are connected with the other side edge of the drainage plate and the device shell, and the filter element is inserted between the two limiting wire meshes.

3. The sponge municipal water circulation system of claim 1, wherein the other side of the flow-guide plate is inclined relative to the one side of the flow-guide plate in a direction approaching the inlet conduit.

4. The sponge municipal water circulation system of claim 1, wherein the flow-directing plates of one set are staggered in sequence from the flow-directing plates of the other set.

5. The sponge city water circulating system of claim 1 wherein the water collecting device further comprises a reservoir irrigation pool, the reservoir irrigation pool is arranged at the side of the planting soil layer, the upper part of the reservoir irrigation pool is provided with an opening, and the end surface of the reservoir irrigation pool facing the planting soil layer is provided with a plurality of water outlet holes.

6. The sponge city water circulating system of claim 5, wherein the upper part of the end surface of the water storage irrigation pool, which faces away from the planting soil layer, is provided with a interception plate, and the interception plate is provided with water filtering holes.

7. The sponge city water circulating system of claim 5, wherein the water collecting device further comprises a flow guide plate, one end of the flow guide plate is connected with the bottom of the end surface of the water storage irrigation pool facing the planting soil layer, the other end of the flow guide plate is connected with the water drainage pipe, the other end of the flow guide plate is obliquely arranged towards the planting soil layer relative to one end of the flow guide plate, the water drainage pipe is provided with flow guide holes, and the flow guide holes are arranged on the pipe body of the water drainage pipe on the side of the end surface of the flow guide plate facing the planting soil layer.

8. The sponge city water circulation system as claimed in claim 7 wherein the end surface of the deflector facing the planting soil layer is connected to the deflector holes.

9. The sponge city water circulating system of claim 1, wherein the drain pipes are arranged along the length direction of the water collecting device, a plurality of the water collecting pipes are divided into a plurality of water collecting pipe groups, and the plurality of the water collecting pipe groups are communicated with the drain pipes at equal intervals.

10. The sponge city water circulating system of claim 1 wherein the water using means comprises a residential water pipe, a shower or a mobile sprinkler.