CN214940804U - Sponge city is with emergent retaining row device - Google Patents

Abstract

The utility model provides a sponge city is with emergent retaining row device, including the foundation ditch, the water storage box has been placed to the inside of foundation ditch, the top fixedly connected with baffle of water storage box, the fixed diversion layer that is equipped with in top of baffle, the top on diversion layer is equipped with the filter layer, the vegetable layer has been backfilled on the top of filter layer, through the filter layer that is equipped with, the rainwater filters great impurity through the cobble layer of laying, after cobble layer bottom is laid some well coarse sand layers and fine aggregate layer in proper order again and is filtered, obtain the rainwater that contains impurity less, the later stage of being convenient for is recycled, the water pipe that is equipped with, after the rainy period has passed, collect water pump with the water storage box inside to sprinkler bead through the water pump, irrigate the vegetation above the vegetable layer through the control valve switch, the consumption of water resource has been saved.

Description

Sponge city is with emergent retaining row device

Technical Field

The utility model relates to a sponge city technical field specifically is a device is arranged with emergent retaining in sponge city.

Background

Sponge city, it is the urban rainfall flood management concept of new generation, mean the city can be like the sponge, have good elasticity in the aspects such as the natural disasters that adaptation environmental change should bring to the rainwater, also can be called "water elasticity city", the international general term is "low influence development rainwater system founds", it absorbs water, retaining, infiltration, the water purification during rainy day, release and utilize the water of storage when needing, realize the rainwater freely migrates in the city, current sponge city retaining drainage device directly stores the rainwater when rainwater weather, nevertheless mix with more impurity in the rainwater, very easily cause the jam to the water inlet of water storage box, cause the water storage device can't play a role.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sponge city is with emergent retaining row device to solve the current sponge city water storage device that above-mentioned background art provided and can't carry out effective filterable problem to the rainwater.

In order to achieve the above object, the utility model provides a following technical scheme: an emergency water storage and drainage device for a sponge city comprises a foundation pit, wherein a water storage tank is placed in the foundation pit, the top of the water storage tank is fixedly connected with a partition plate, a flow guide layer is fixedly arranged at the top of the partition plate, a filtering layer is arranged at the top of the flow guide layer, and a vegetable layer is backfilled at the top end of the filtering layer;

the filter layer is including setting up the fine aggregate layer at the water conservancy diversion bed top, the top on fine aggregate layer is equipped with well coarse sand layer, the top on well coarse sand layer is equipped with the cobble layer.

In order to make groundwater permeate to the foundation ditch, as the utility model relates to a preferred scheme: geotechnical cloth is laid on the inner wall of the foundation pit, the geotechnical cloth is higher than the height of the water storage tank in the foundation pit, and the top of the geotechnical cloth is buried in the fine aggregate layer.

In order to make the rainwater of collecting flow into the water storage box, conduct the utility model relates to an optimal scheme: the bottom of the clapboard is provided with a plurality of reinforcing ribs which are staggered transversely and vertically, and the surface of the clapboard is provided with drainage holes in a penetrating way.

In order to prevent the inside water of water storage box from spilling over, as the utility model relates to a preferred scheme: and the top of one side of the water storage tank is communicated with a discharge pipe, and one end of the discharge pipe is communicated into the municipal drainage pipeline.

In order to make the water utilization in the water storage tank, as the utility model relates to a preferred scheme: the bottom of the other side of the water storage tank is communicated with a water using pipe, a water pump is arranged in the middle of the water using pipe, and one end of the water using pipe, which is far away from the water storage tank, extends to a position above the vegetation layer.

In order to make the control watering vegetable layer, as the utility model relates to an optimal scheme: the top end of the water using pipe is communicated with a water spraying head, and a water valve is installed at the top of the water spraying head.

In order to make fine impurity in the filtration rainwater, as the utility model relates to a preferred scheme: the diameter of the gravel material of the fine aggregate layer is less than 100 mm.

In order to make the filter layer play better filtering action, as the utility model relates to an optimal scheme: the backfill thickness of the fine aggregate layer is 150-200 mm, the backfill thickness of the medium coarse sand layer is 100-120 mm, and the backfill thickness of the pebble layer is 80-100 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) when the rainwater weather comes, the collected rainwater is filtered to remove larger impurities through the paved pebble layer, the filtered rainwater further filters small-particle impurities contained in the rainwater when entering the medium-coarse sand layer through the pebble layer, fine impurity gravels contained in the filtered rainwater are filtered in the fine aggregate layer when the filtered rainwater passes through the fine aggregate layer, and the filtered rainwater flows into the water storage tank through the diversion layer, so that the problem of blockage is avoided, and the later-stage reutilization is facilitated;

(2) through the water pipe that is equipped with, after the rainy day passed, through water pump with the inside collection water pump sending of water storage box to sprinkler bead, irrigate the vegetation above the vegetation layer through control water valve switch, saved the consumption of water resource, the pressure of municipal drainage is solved in rainy day help city to the water storage box, and on the other hand is utilizing the rainwater of collecting, has saved groundwater resources.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the partition board of the present invention;

fig. 3 is a schematic view of the water pipe structure of the present invention.

In the figure: 1. a foundation pit; 101. geotextile; 2. a water storage tank; 3. a partition plate; 31. reinforcing ribs; 32. a drainage hole; 4. a flow guiding layer; 5. a filter layer; 51. a fine aggregate layer; 52. a medium-coarse sand layer; 53. a pebble layer; 6. a vegetable layer; 7. a bleeder tube; 8. a water pipe is used; 9. a water pump; 10. a sprinkler head; 11. a water valve.

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.

Referring to fig. 1-3, the present invention provides a technical solution: an emergency water storage and drainage device for a sponge city comprises a foundation pit 1, a water storage tank 2 is placed inside the foundation pit 1, a partition plate 3 is fixedly connected to the top of the water storage tank 2, a flow guide layer 4 is fixedly arranged on the top of the partition plate 3, a filter layer 5 is arranged on the top of the flow guide layer 4, and a vegetable layer 6 is filled back to the top end of the filter layer 5;

the filtering layer 5 comprises a fine aggregate layer 51 arranged on the top of the diversion layer 4, a medium coarse sand layer 52 is arranged on the top of the fine aggregate layer 51, and a pebble layer 53 is arranged on the top of the medium coarse sand layer 52.

In this embodiment: geotextile 101 is laid on the inner wall of the foundation pit 1, the geotextile 101 is higher than the height of the water storage tank 2 in the foundation pit 1, and the top of the geotextile 101 is embedded in the fine aggregate layer 51.

When in specific use: geotechnical cloth 101 of foundation ditch 1 inner wall can support when the rainwater is great or foundation ditch 1 around groundwater too much and block the invasion to foundation ditch 1, prevents that foundation ditch 1 from collapsing, causes the device to damage, buries underground inside the thin aggregate layer 51 and can play the effect of consolidating geotechnological cloth 101, prevents geotechnological cloth 101 at the landing of foundation ditch inner wall.

In this embodiment: the bottom of the clapboard 3 is provided with a plurality of transverse and vertical staggered reinforcing ribs 31, and the surface of the clapboard 3 is provided with drainage holes 32 in a penetrating way.

When in specific use: the strengthening rib 31 that the baffle 3 bottom was furnished with can improve the intensity of baffle 3, supports the filler soil of the filter layer 5 and the vegetable layer 6 at 3 tops of baffle, prevents that baffle 3 from destroying, and inside drainage hole 32 helped rivers to flow into water storage box 2.

In this embodiment: the top of one side of the water storage tank 2 is communicated with a discharge pipe 7, and one end of the discharge pipe 7 is communicated to the inside of a municipal drainage pipeline.

When in specific use: after the rainwater in the water storage tank 2 is full of water, the rainwater flows into the municipal drainage pipeline from the drainage pipe 7 communicated with the top of the water storage tank 2, so that the rainwater is prevented from overflowing the water storage tank 2 to cause waterlogging of the foundation pit 1.

In this embodiment: the bottom of the other side of the water storage tank 2 is communicated with a water pipe 8, the middle part of the water pipe 8 is provided with a water pump 9, and one end of the water pipe 8 far away from the water storage tank 2 extends to a vegetation layer 6.

When in specific use: with the opposite side of 8 intercommunication water storage tanks 2 of water pipe, be convenient for with the rainwater pump sending of 8 mid-mounting of water pipe to the earth's surface that extends more than 6 vegetable layers with the inside rainwater pump of water storage tank 2, realize irrigating the earth's surface vegetation.

In this embodiment: the top end of the water pipe 8 is communicated with a water spraying head 10, and the top of the water spraying head 10 is provided with a water valve 11.

When in specific use: the water valve 11 can be switched on and off to control the water flow of the sprinkler head 10, and the water flow flows out of the sprinkler head 10 for irrigation.

In this embodiment: the gravel material diameter of the fine aggregate layer 51 is less than 100 mm.

When in specific use: the gravel material of the fine aggregate layer 51 with the diameter smaller than 100mm can deeply filter the small impurities in the rainwater, and prevent the large impurities, gravel and stones from entering the water storage tank 2 to damage the water pump 9.

In this embodiment: the backfill thickness of the fine aggregate layer 51 is 150-200 mm, the backfill thickness of the medium coarse sand layer 52 is 100-120 mm, and the backfill thickness of the pebble layer 53 is 80-100 mm.

When in specific use: lay the filter stone layer of different thickness, can carry out the filtration of different degrees with the rainwater, and satisfy the backfill thickness of different backfill layers in the municipal works.

The working principle is as follows: the rainwater filters great impurity when the cobble layer 53 of laying, the filterable rainwater further filters the tiny particle impurity that contains in the rainwater when thick sand bed 52 in the cobble layer 53 entering, the rainwater after the filtration is during through the thin aggregate layer 51, the inside tiny impurity grit that contains is filtered at thin aggregate layer 51, the rainwater after the filtration of advancing flows into water storage box 2 inside through water conservancy diversion layer 4, the problem of causing the jam has been avoided, be convenient for the later stage recycle, the rainwater gets into water storage box 2 inside when collecting when full, the rainwater flows through bleeder tube 7, prevent to cause rivers to spill over in water storage box 2 flows into foundation ditch 1.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides a sponge city is with emergent retaining row's device, includes foundation ditch (1), its characterized in that: a water storage tank (2) is placed inside the foundation pit (1), a partition plate (3) is fixedly connected to the top of the water storage tank (2), a flow guide layer (4) is fixedly arranged on the top of the partition plate (3), a filter layer (5) is arranged on the top of the flow guide layer (4), and a vegetation layer (6) is filled back to the top end of the filter layer (5);

the filtering layer (5) comprises a fine aggregate layer (51) arranged at the top of the flow guide layer (4), a medium coarse sand layer (52) is arranged at the top of the fine aggregate layer (51), and a pebble layer (53) is arranged at the top of the medium coarse sand layer (52).

2. The emergency water storage and discharge device for the sponge city according to claim 1, wherein: geotechnical cloth (101) have been laid to the inner wall of foundation ditch (1), geotechnological cloth (101) are higher than water storage box (2) in the inside height of foundation ditch (1), and the top of geotechnological cloth (101) is buried underground in fine aggregate layer (51).

3. The emergency water storage and discharge device for the sponge city according to claim 1, wherein: the bottom of baffle (3) is furnished with many crisscross strengthening rib (31) of violently erecting, drainage hole (32) have been seted up to the surface of baffle (3) run through.

4. The emergency water storage and discharge device for the sponge city according to claim 1, wherein: the top of one side of the water storage tank (2) is communicated with a discharge pipe (7), and one end of the discharge pipe (7) is communicated into the municipal drainage pipeline.

5. The emergency water storage and discharge device for the sponge city according to claim 4, wherein: the water storage tank is characterized in that the bottom of the other side of the water storage tank (2) is communicated with a water using pipe (8), a water pump (9) is installed in the middle of the water using pipe (8), and one end, far away from the water storage tank (2), of the water using pipe (8) extends to a vegetation layer (6) or above.

6. The emergency water storage and discharge device for the sponge city according to claim 5, wherein: the top end of the water using pipe (8) is communicated with a water spraying head (10), and a water valve (11) is installed at the top of the water spraying head (10).

7. The emergency water storage and discharge device for the sponge city according to claim 2, wherein: the diameter of the gravel material of the fine aggregate layer (51) is less than 100 mm.

8. The emergency water storage and discharge device for the sponge city according to claim 7, wherein: the backfill thickness of the fine aggregate layer (51) is 150-200 mm, the backfill thickness of the medium coarse sand layer (52) is 100-120 mm, and the backfill thickness of the pebble layer (53) is 80-100 mm.

Images