CN211112997U - Road Drainage System in Sponge City - Google Patents

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 the technical field of urban construction, in particular to a road drainage system of a sponge city.

Background technique

With the vigorous development of my country's economy and the increasing urbanization of the population, road drainage is a crucial link in urban construction. When it comes to urban drainage or flood control, road drainage facilities can play a vital role in urban drainage or flood control.

At present, there is a Chinese patent with the publication number CN207405433U in the prior art, which discloses a new type of road drainage structure, including a drainage structure main body and a fixing plate, the inner side of the fixing plate is fixedly connected with a road, and the front end of the road is on the left and right sides. There are drainage pipes running through the positions, and movable doors are movably connected to the sides of the drainage pipes, and an inlaid opening is embedded in the middle of the drainage pipes, and a clamping plate is fixed on the upper right side of the fixing plate. This new type of road drainage structure is equipped with filtering and drainage grooves, and several filtering and drainage grooves are embedded in the inclined plate in an "ellipse" shape, and the inclined plate is inclined at a "fifteen degree" inner height and outer low.

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

Utility model content

The purpose of the utility model is to provide a road drainage system of a sponge city, which can collect and utilize rainwater and improve the utilization rate of rainwater.

The technical purpose of the present utility model is achieved through the following technical solutions:

The road drainage system of the sponge city includes a permeable pavement. From the permeable pavement downward, there are a permeable concrete layer, a cobblestone aquifer, and a plain soil layer. The plain soil layer is provided with a rainwater collection device. The rainwater collection device It includes a drainage groove buried on both sides of the plain soil layer and below the cobblestone aquifer, a drainage cover installed on the top of the drainage groove, a conveying pipe communicating with the drainage groove, and a conveying pipe away from the conveying pipe. A purification well communicated with one end of the drainage tank, a collection pipe communicated with the bottom of the purification well, a water storage tank communicated with the end of the collection pipe away from the purification well, a water pump located in the water storage tank, and the The water outlet of the water pump communicates with and is far away from the water outlet pipe whose one end is located above the permeable road surface.

Through the above technical solution, when it rains, rainwater will fall on the permeable pavement, the permeable pavement can penetrate the rainwater into the permeable concrete layer, the rainwater infiltrates the cobblestone aquifer through the permeable concrete layer, and the rainwater in the cobblestone aquifer passes through the drainage cover The rainwater flows into the drainage tank, and the rainwater in the drainage tank will be transported to the purification well through the conveying pipe. The purification well will filter and purify the rainwater and then flow to the collection pipe, and finally collect it into the water storage tank through the collection pipe. When rainwater needs to be used, The water pump will extract and utilize the rainwater in the water storage tank through the outlet pipe, thus realizing road drainage, collecting and utilizing rainwater, and improving the utilization rate of rainwater.

The utility model is further configured as follows: the purification well comprises a wellbore and a well cover located above the wellbore, and a first protrusion fixedly connected to the inner wall of the wellbore is arranged in the inner cavity of the wellbore below the communication part of the collecting pipe A second raised edge fixedly connected to the inner wall of the wellbore is arranged below the first raised edge, a waste intercepting basket is arranged on the first raised edge, and a purification box is arranged on the second raised edge In the purification box, from top to bottom, there are a quartz sand filter layer and an activated carbon filter layer.

Through the above technical solution, the first filtration of rainwater can be realized through the interception basket, and after the first filtration, the rainwater is filtered through the quartz sand filter layer and the activated carbon filter layer for the second time, thereby realizing the double filtration of rainwater and improving the cleanliness of rainwater.

The utility model is further provided that: the top of the waste interception basket and the purification box are fixedly connected with a hanging ring.

Through the above technical solution, when it is necessary to take out the interception basket or the purification box, the lifting ring can be hooked with a tool, so as to facilitate cleaning or better the interception basket or the purification box.

The utility model is further configured as follows: the tops of the waste interception basket and the purification box are both provided with two lifting rings, and the two lifting rings are symmetrically arranged.

Through the above technical solution, the arrangement of the two rings can reduce the possibility of tilting when taking out the interception basket or the purification box, thereby reducing the debris in the interception basket or the purification box from entering the purification well.

The utility model is further arranged such that a drainage pipe is communicated with the side wall near the top of the water storage tank, and the end of the drainage pipe away from the water storage tank is communicated with the urban drainage system pipe.

Through the above technical solution, when there is too much rainwater in the water storage tank, it can be discharged through the drain pipe, thereby reducing the possibility of backflow caused by excessive rainwater in the water storage tank.

The utility model is further set as follows: the middle position of the contact surface of the plain soil layer and the cobblestone aquifer is higher than the two sides of the plain soil layer.

Through the above technical solution, when the rainwater penetrates into the cobblestone layer, the inclined layer can quickly drain the rainwater into the drainage groove.

The utility model is further set as follows: the particle size of the cobblestones in the cobblestone aquifer is 30-70 mm.

Through the above technical solution, the use of cobblestones with a particle size of 30-70mm can speed up the flow of rainwater in the cobblestone layer and flow to the drainage groove, and reduce the infiltration of rainwater into the plain soil layer due to the slow flow.

The utility model is further provided that: the width of the water inlet slot of the drainage cover is smaller than the particle size of the cobblestones in the cobblestone aquifer.

Through the above technical solution, it is possible to reduce the pebbles falling into the drainage groove and reduce the possibility of clogging of the drainage groove.

To sum up, the beneficial technical effects of the present utility model are:

1. Through the rainwater collection device, when it rains, the rainwater will fall on the permeable pavement, and the rainwater can infiltrate into the drainage channel through the permeable concrete layer and the cobblestone aquifer in sequence, and the rainwater in the drainage channel will pass through the conveying pipe, purification well, The collection pipe is finally collected into the water storage tank. When the rainwater needs to be used, the pump will extract the rainwater in the water storage tank through the outlet pipe and use it, thereby realizing road drainage, collecting and utilizing rainwater, and improving the utilization rate of rainwater.

2. By setting the interception basket and purification box, the rainwater is filtered twice, and the cleanliness of the rainwater is improved.

3. By setting the drain pipe, when there is too much rainwater in the water storage tank, it can be discharged through the drain pipe, thereby reducing the possibility of backflow caused by excessive rainwater in the water storage tank.

Description of drawings

Fig. 1 is the structural representation of the present utility model, mainly showing the overall structure;

Fig. 2 is the sectional schematic diagram of the purification well in Fig. 1, mainly shows the structure of the purification well;

FIG. 3 is an enlarged schematic view of part A in FIG. 2 , mainly illustrating the structure of the lifting ring.

Reference numerals: 1, permeable pavement; 2, permeable concrete layer; 3, cobblestone aquifer; 4, plain soil layer; 5, rainwater collection device; 51, drainage groove; 52, drainage cover; 53, conveying pipe; 54 , purification well; 541, wellbore; 5411, first flange; 5412, second flange; 542, well cover; 55, collecting pipe; 56, water storage tank; 57, water pump; 58, outlet pipe; 59, drain pipe ; 6, interception basket; 7, purification box; 71, quartz sand filter layer; 72, activated carbon filter layer; 8, rings.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

The road drainage system of the sponge city, as shown in Figure 1, includes a permeable pavement 1, a permeable concrete layer 2, a cobblestone aquifer 3, a plain soil layer 4, and a rainwater collection device 5 arranged in the plain soil layer 4. . In rainy days, the rainwater will fall on the permeable pavement 1, and the rainwater can pass through the permeable concrete layer 2, the cobblestone aquifer 3 in sequence, and finally be collected and utilized by the rainwater collection device 5 to improve the utilization rate of rainwater.

As shown in FIG. 1 , the rainwater collection device 5 includes a drainage groove 51 , a drainage cover 52 , a conveying pipe 53 , a purification well 54 , a collection pipe 55 , a water storage tank 56 , a water pump 57 and a water outlet pipe 58 , and the drainage groove 51 is provided in the plain soil On both sides of the layer 4, and the top of the drainage groove 51 is located in the cobblestone aquifer 3, and the length direction of the drainage groove 51 is consistent with the length direction of the permeable road surface 1; The width of the water trough is smaller than the particle size of the pebbles in the cobblestone aquifer 3, and the particle size of the pebbles in the cobblestone aquifer 3 is 30-70 mm, which can reduce the pebbles falling into the drainage groove 51 and reduce the clogging of the drainage groove 51. possibility; the conveying pipe 53 is buried in the plain soil layer 4, and one end of the conveying pipe 53 is communicated with the bottom of the drainage groove 51; One end of the pipe 53 away from the drainage groove 51 is communicated; one end of the collecting pipe 55 is communicated with the bottom of the purification well 54; One side wall of the top is connected; the water pump 57 is located in the water storage tank 56, and is used to extract the rainwater in the water storage tank 56; A drain pipe 59 is connected to the side wall of the top of the water tank 56 .

As shown in FIG. 2 , the purification well 54 includes a wellbore 541 and a well cover 542 , the well cover 542 is used to seal the wellbore 541 , and the upper surface of the well cover 542 is coplanar with the upper surface of the permeable road surface 1 . The inner wall of the wellbore 541 is fixedly connected with a first convex edge 5411, the first convex edge 5411 is lower than the height of the collecting pipe 55, and a sewage intercepting basket 6 is arranged on the first convex edge 5411; the inner wall of the wellbore 541 is located on the first convex edge 5411 A second convex edge 5412 is fixedly connected to the bottom of the purifying box 5412, a purification box 7 is arranged on the second convex edge 5412, and the inner diameter of the second convex edge 5412 is smaller than the inner diameter of the first convex edge 5411; The quartz sand filter layer 71 , the activated carbon filter layer 72 , and the outer diameter of the purification box 7 is smaller than the inner diameter of the first convex edge 5411 . The first filtration of rainwater can be realized through the interception basket 6, and after the first filtration, the rainwater is filtered through the quartz sand filter layer 71 and the activated carbon filter layer 72 for secondary filtration, thereby realizing the double filtration of rainwater and improving the cleanliness of rainwater.

As shown in FIG. 3 , lifting rings 8 are fixedly connected to the tops of the waste intercepting basket 6 and the purification box 7 . There are two lifting rings 8 , and the two lifting rings 8 are arranged symmetrically. Use a tool to hook the lifting ring 8, so as to facilitate cleaning or better the waste basket 6 or the purification box 7.

The specific working principle: when rainwater falls on the permeable pavement 1, the rainwater will infiltrate into the cobblestone aquifer 3 through the permeable pavement 1 and the permeable concrete layer 2 in turn, and the rainwater in the cobblestone aquifer 3 will flow into the drainage groove 51, and drain The rainwater in the water tank 51 will be transported to the purification well 54 through the conveying pipe 53 for filtering, and the filtered rainwater will be collected into the water storage tank 56 through the collecting pipe 55. The rainwater is extracted and utilized through the water outlet pipe 58, thereby realizing the collection and utilization of rainwater and improving the utilization rate of rainwater.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

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).

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