CN211112997U

CN211112997U - Road drainage system in sponge city

Info

Publication number: CN211112997U
Application number: CN201921895472.2U
Authority: CN
Inventors: 谷胜俊; 郭汝静
Original assignee: Home Enterprise Guangdong Environmental Technology Co ltd
Current assignee: Home Enterprise Guangdong Environmental Technology Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-28
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a road drainage system in sponge city, including the permeable pavement, by permeable pavement is permeable concrete layer, cobblestone water-storage layer, plain soil layer downwards in proper order, be provided with rainwater collection device in the plain soil layer, rainwater collection device is including burying underground plain soil layer both sides just are located drainage tank, the installation of cobblestone water-storage layer below the drainage tank top the drainage lid, with the conveyer pipe of drainage tank intercommunication, with the conveyer pipe is kept away from the purifying well of drainage tank one end intercommunication, with the collecting pipe of purifying well bottom intercommunication, with the collecting pipe is kept away from the water storage box of purifying well one end intercommunication, be located water pump in the water storage box, with the delivery port intercommunication of water pump just keeps away from water pump one end is located the outlet pipe of permeable pavement top. Can collect and utilize rainwater, improve rainwater utilization ratio.

Description

Road drainage system in sponge city

Technical Field

The utility model relates to a city construction technical field especially relates to road drainage system in sponge city.

Background

With the vigorous development of the economy of China, the population is more and more urbanized, and road drainage is a crucial link in urban construction. Where municipal drainage or flood control is involved, road drainage can play a crucial role in municipal drainage or flood control.

At present, chinese patent with publication number CN207405433U among the prior art, it discloses a novel road drainage structure, including drainage structure main part and fixed plate, the inboard fixedly connected with road of fixed plate, and the front end left and right sides position of road all runs through there is drainage pipe, drainage pipe's side swing joint has the dodge gate, and drainage pipe's the inside embedded mouth that inlays in centre, the right side top of fixed plate is fixed with the cardboard. This kind of novel road drainage structure has set up and has filtered the water drainage tank, and a plurality of filters the water drainage tank and is "oval" form embedding on the swash plate, and the swash plate is the slope of high outer low in "fifteen degrees".

The technical scheme has the following defects: rainwater on the road in rainy days is drained through a drainage pipeline, the rainwater is not fully utilized, and the utilization rate of the rainwater is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a road drainage system in sponge city can collect and utilize the rainwater, improves the rainwater utilization ratio.

The technical purpose of the utility model is realized through following technical scheme:

road drainage system in sponge city, including the road surface that permeates water, by the road surface that permeates water is concrete layer, cobblestone water-storage layer, plain soil layer downwards in proper order, be provided with rainwater collection device in the plain soil layer, rainwater collection device is including burying underground plain soil layer both sides and being located the water drainage tank of cobblestone water-storage layer below, install the drainage lid at water drainage tank top, with the conveyer pipe of water drainage tank intercommunication, with the conveyer pipe is kept away from the purifying well of water drainage tank one end intercommunication, with the collecting pipe of purifying well bottom intercommunication, with the collecting pipe is kept away from purify the water storage box of well one end intercommunication, be located water pump in the water storage box, with the delivery port intercommunication of water pump just keeps away from water pump one end is located the outlet pipe of road surface top that permeates water.

Through the technical scheme, when rainy day, the rainwater can fall on the permeable pavement, the permeable pavement can permeate the rainwater to permeable concrete layer, the rainwater permeates to the cobblestone water-storage layer through the permeable concrete layer, rainwater in the cobblestone water-storage layer trickles to the water drainage tank through the drainage cover, rainwater in the water drainage tank can be carried to purifying well through the conveyer pipe, purifying well flows to the collecting pipe after filtering and purifying the rainwater, collect to the water storage box through the collecting pipe at last, when needs utilize the rainwater, the water pump can take out and utilize the rainwater in the water storage tank through the outlet pipe, thereby road drainage has been realized and the rainwater is collected and utilized, the rainwater utilization rate is improved.

The utility model discloses further set up to: the purifying well comprises a shaft and a well cover arranged above the shaft, the shaft is internally provided with a collecting pipe which is arranged below the collecting pipe and is fixedly connected with the inner wall of the shaft, a first convex edge is fixedly connected with the inner wall of the shaft and is arranged below the first convex edge, a second convex edge is fixedly connected with the inner wall of the shaft and is provided with a dirt intercepting basket, a purifying box is arranged on the second convex edge, and a quartz sand filtering layer and an active carbon filtering layer are sequentially arranged in the purifying box from top to bottom.

Through above-mentioned technical scheme, can realize the rainwater through cutting dirty basket and filter for the first time, the rainwater rethread quartz sand filter layer and active carbon filter layer carry out the secondary filter after filtering for the first time to realized that the rainwater filters twice, improved the cleanliness of rainwater.

The utility model discloses further set up to: the sewage intercepting basket and the top of the purifying box are fixedly connected with a lifting ring.

Through above-mentioned technical scheme, when needs take out and cut dirty basket or purify the box, can utilize the instrument to collude and get rings to be convenient for the clearance or better cut dirty basket or purify the box.

The utility model discloses further set up to: the sewage intercepting basket and the top of the purifying box are both provided with two lifting rings, and the two lifting rings are symmetrically arranged.

Through above-mentioned technical scheme, the setting of two rings can reduce and take place the possibility of slope when taking out to cut dirty basket or purifying box, and then reduces to cut the debris among dirty basket or the purifying box and get into in the purifying well.

The utility model discloses further set up to: and a drain pipe is communicated with the side wall close to the top of the water storage tank, and one end of the drain pipe, which is far away from the water storage tank, is communicated with a city drainage system pipe.

Through above-mentioned technical scheme, when the rainwater in the retaining box is too much, can discharge through the drain pipe, and then reduce the retaining box rainwater and too much and lead to the possibility of backward flow.

The utility model discloses further set up to: the middle position of the contact surface of the plain soil layer and the cobblestone water storage layer is higher than the two sides of the plain soil layer.

Through above-mentioned technical scheme, when the rainwater infiltration to the cobblestone layer, the aspect of slope can be fast with rainwater drainage to the water drainage tank in.

The utility model discloses further set up to: the particle size of the cobblestones in the cobblestone water storage layer is 30-70 mm.

Through the technical scheme, the cobblestones with the particle size of 30-70 mm are adopted, so that the flowing of rainwater on the cobblestone layer can be accelerated and the rainwater can flow to the drainage groove, and the rainwater is prevented from permeating into the plain soil layer due to slow flowing.

The utility model discloses further set up to: the width of the water inlet notch of the drainage cover is smaller than the particle size of the cobbles in the cobble water storage layer.

Through above-mentioned technical scheme, can reduce the cobble and fall into the water drainage tank in, reduce the water drainage tank and take place the possibility of blockking up.

To sum up, the utility model discloses a beneficial technological effect does:

1. through rainwater collection device, when rainy day, the rainwater can fall on the road surface of permeating water, the rainwater can loop through the concrete layer that permeates water, the cobblestone water-storage layer permeates to the water drainage tank in, the rainwater in the water drainage tank can loop through the conveyer pipe, purify well, collecting pipe to collect to the water storage box at last, utilize rainwater extremely when needs, the rainwater in the water storage box can be taken out and utilize through the outlet pipe to the water pump, thereby realized road drainage and collected the utilization rainwater, improve rainwater utilization ratio.

2. Through setting up and cutting dirty basket and purifying box, realized twice filtration of rainwater, improved the cleanliness of rainwater.

3. Through setting up the drain pipe, when the rainwater in the cistern is too much, can discharge through the drain pipe, and then reduce the cistern rainwater too much and lead to the possibility of backward flow.

Drawings

Fig. 1 is a schematic structural diagram of the present invention, mainly illustrating the overall construction;

FIG. 2 is a schematic cross-sectional view of the purge well of FIG. 1, illustrating primarily the configuration of the purge well;

fig. 3 is an enlarged schematic view of a portion a in fig. 2, mainly illustrating the construction of the suspension ring.

Reference numerals: 1. a permeable pavement; 2. a pervious concrete layer; 3. a cobblestone aquifer; 4. a plain soil layer; 5. a rainwater collection device; 51. a water discharge tank; 52. a drainage cover; 53. a delivery pipe; 54. a purifying well; 541. a wellbore; 5411. a first flange; 5412. a second flange; 542. a well cover; 55. a collection pipe; 56. a water storage tank; 57. a water pump; 58. a water outlet pipe; 59. a drain pipe; 6. a sewage intercepting basket; 7. a purification box; 71. a quartz sand filter layer; 72. an activated carbon filter layer; 8. a lifting ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A road drainage system of a sponge city is shown in figure 1 and comprises a permeable pavement 1, a permeable concrete layer 2, a cobble water storage layer 3, a plain soil layer 4 and a rainwater collecting device 5 arranged in the plain soil layer 4, wherein the permeable pavement, the cobble water storage layer 3, the plain soil layer and the rainwater collecting device are sequentially arranged. When rainy day, the rainwater can fall on permeable pavement 1, and the rainwater can loop through permeable concrete layer 2, cobblestone aquifer 3, collects the utilization through rainwater collection device 5 at last, improves rainwater utilization ratio.

As shown in fig. 1, the rainwater collecting device 5 comprises a drainage tank 51, a drainage cover 52, a delivery pipe 53, a purification well 54, a collecting pipe 55, a water storage tank 56, a water pump 57 and a water outlet pipe 58, wherein the drainage tank 51 is arranged at two sides of the plain soil layer 4, the top of the drainage tank 51 is positioned in the cobblestone water storage layer 3, and the length direction of the drainage tank 51 is consistent with the length direction of the permeable pavement 1; the drainage cover 52 is arranged above the drainage channel 51, the width of the water inlet opening of the drainage cover 52 is smaller than the particle size of the cobbles in the cobblestone water storage layer 3, and the particle size of the cobblestones in the cobblestone water storage layer 3 is 30-70 mm, so that the cobblestones can be reduced from falling into the drainage channel 51, and the possibility of blocking the drainage channel 51 is reduced; the delivery pipe 53 is embedded in the vegetable soil layer 4, and one end of the delivery pipe 53 is communicated with the bottom of the drainage groove 51; the purification well 54 is buried in the vegetable soil layer 4, and one side of the purification well 54 close to the top is communicated with one end of the delivery pipe 53 far away from the drainage groove 51; one end of the collecting pipe 55 is communicated with the bottom of the purifying well 54; the water storage tank 56 is buried in the vegetable soil layer 4, and one end of the collecting pipe 55 far away from the purifying well 54 is communicated with one side wall of the water storage tank 56 close to the top; a water pump 57 is located in the reservoir 56 and is used to pump rainwater from the reservoir 56; one end of the water outlet pipe 58 is communicated with the water outlet of the water pump 57, and the other end is positioned above the permeable pavement 1; the side wall close to the top of the water storage tank 56 is communicated with a drain pipe 59, the height of the drain pipe 59 is lower than that of the collecting pipe 55, and one end of the drain pipe 59, far away from the water storage tank 56, is communicated with a city drainage system pipe.

As shown in fig. 2, the purifying well 54 includes a shaft 541 and a well cover 542, the well cover 542 is used for sealing the shaft 541, and the upper surface of the well cover 542 is located on the same plane as the upper surface of the permeable pavement 1. The inner wall of the shaft 541 is fixedly connected with a first convex edge 5411, the first convex edge 5411 is lower than the collecting pipe 55, and the first convex edge 5411 is provided with a sewage intercepting basket 6; a second raised edge 5412 is fixedly connected to the inner wall of the shaft 541 and located below the first raised edge 5411, the second raised edge 5412 is provided with a purification box 7, and the inner diameter of the second raised edge 5412 is smaller than the inner diameter of the first raised edge 5411; the purification box 7 is internally provided with a quartz sand filter layer 71 and an activated carbon filter layer 72 from top to bottom in sequence, and the outer diameter of the purification box 7 is smaller than the inner diameter of the first convex edge 5411. The rainwater can be primarily filtered through the sewage intercepting basket 6, and the rainwater is secondarily filtered through the quartz sand filtering layer 71 and the activated carbon filtering layer 72 after primary filtering, so that the rainwater is filtered twice, and the cleanliness of the rainwater is improved.

As shown in fig. 3, the top of the sewage intercepting basket 6 and the top of the purifying box 7 are both fixedly connected with two hanging rings 8, the two hanging rings 8 are symmetrically arranged, and when the sewage intercepting basket 6 or the purifying box 7 needs to be taken out, the hanging rings 8 can be hooked by using a tool, so that the sewage intercepting basket 6 or the purifying box 7 can be conveniently cleaned or better cleaned.

The specific working principle is that when rainwater falls on the permeable pavement 1, the rainwater can sequentially penetrate through the permeable pavement 1 and the permeable concrete layer 2 to the cobblestone water storage layer 3, the rainwater in the cobblestone water storage layer 3 can flow into the drainage groove 51, the rainwater in the drainage groove 51 can be conveyed to the purification well 54 through the conveying pipe 53 to be filtered, the filtered rainwater can be collected into the water storage tank 56 through the collecting pipe 55, and when water is needed, the rainwater in the water storage tank 56 can be drawn out and utilized through the water outlet pipe 58 by the water pump 57, so that rainwater collection and utilization are achieved, and the rainwater utilization rate is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Road drainage system in sponge city, including permeable pavement (1), its characterized in that: by permeable pavement (1) is permeable concrete layer (2), cobblestone water-storage layer (3), plain soil layer (4) downwards in proper order, be provided with rainwater collection device (5) in plain soil layer (4), rainwater collection device (5) including bury underground plain soil layer (4) both sides and be located drainage tank (51) of cobblestone water-storage layer (3) below, install drainage lid (52) at drainage tank (51) top, with conveyer pipe (53) of drainage tank (51) intercommunication, with conveyer pipe (53) are kept away from purification well (54) of drainage tank (51) one end intercommunication, with collection pipe (55) of purification well (54) bottom intercommunication, with collection pipe (55) are kept away from water storage tank (56) of purification well (54) one end intercommunication, be located water pump (57) in water storage tank (56), with the delivery port intercommunication of water pump (57) and keep away from water pump (57) one end is located permeable pavement (57) (1) An upper water outlet pipe (58).

2. The road drainage system of a sponge city according to claim 1, characterized in that: purification well (54) include pit shaft (541) and are located well lid (542) of pit shaft (541) top, be located in pit shaft (541) inner chamber the below of collecting pipe (55) intercommunication department be provided with pit shaft (541) inner wall fixed connection's first chimb (5411), be located the below of first chimb (5411) be provided with pit shaft (541) inner wall fixed connection's second chimb (5412), be provided with on first chimb (5411) and cut dirty basket (6), be provided with on second chimb (5412) and purify box (7), it is quartz filter layer (71), active carbon filter layer (72) from top to bottom in proper order to purify box (7).

3. The road drainage system of the sponge city according to claim 2, characterized in that: the sewage intercepting basket (6) and the top of the purifying box (7) are fixedly connected with a hanging ring (8).

4. The road drainage system of the sponge city according to claim 3, characterized in that: cut dirty basket (6) with the top of purifying box (7) all is provided with two rings (8), two rings (8) symmetry sets up.

5. The road drainage system of a sponge city according to claim 1, characterized in that: and a drain pipe (59) is communicated with the side wall close to the top of the water storage tank (56), and one end, far away from the water storage tank (56), of the drain pipe (59) is communicated with a city drainage system pipe.

6. The road drainage system of a sponge city according to claim 1, characterized in that: the middle position of the contact surface of the plain soil layer (4) and the cobblestone water storage layer (3) is higher than the two sides of the plain soil layer (4).

7. The road drainage system of a sponge city according to claim 1, characterized in that: the particle size of the cobblestones in the cobblestone water storage layer (3) is 30-70 mm.

8. The road drainage system of a sponge city according to claim 1, characterized in that: the width of the water inlet notch of the drainage cover (52) is smaller than the particle size of the cobbles in the cobblestone water storage layer (3).