CN112012315A

CN112012315A - Sponge urban rainwater recycling device

Info

Publication number: CN112012315A
Application number: CN202010916021.3A
Authority: CN
Inventors: 朱倩怡
Original assignee: Chongqing Jiaotong University; Chongqing Jianzhu College
Current assignee: Chongqing Jiaotong University; Chongqing Jianzhu College
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2020-12-01
Anticipated expiration: 2040-09-03
Also published as: CN112012315B

Abstract

The invention relates to the field of water collecting devices, and discloses a sponge urban rainwater recycling device which comprises a drainage structure and a water storage structure, wherein the drainage structure comprises a drainage ditch and a plurality of U-shaped pipes, the U-shaped pipes are arranged along the length direction of the drainage ditch, and two ends of each U-shaped pipe are communicated with the drainage ditch; the water storage structure comprises a plurality of water storage tanks and water inlet pipes, the water inlet pipes are communicated with the water storage tanks and the drainage ditches, and each water storage tank is communicated with a water outlet pipe; the internal perisporium fixedly connected with annular platform of cistern is equipped with filter screen I in the cistern, and filter screen I is placed on the annular platform, filter screen I is located the below of inlet tube, the top of outlet pipe. In the invention, the drainage structure and the water storage structure are used for collecting and storing the rainwater so as to realize the recycling of the rainwater, and the problem that the rainwater cannot be drained and stored due to the blockage of the drainage ditch can be solved.

Description

Sponge urban rainwater recycling device

Technical Field

The invention relates to the field of water collecting devices, in particular to a sponge urban rainwater recycling device.

Background

The sponge city is a city which can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, seeps water and purifies water when raining, and releases and utilizes the stored water when needed. At present, the permeable structure of urban road is generally the trompil oozing pipe that the parcel has geotechnological cloth, and the rainwater gets into the trompil oozing pipe after geotechnological cloth filters, flows into the escape canal by the trompil oozing pipe again, finally flows into cistern or municipal pipe network.

The drainage ditch is usually arranged at two sides of a road, so that rainwater on the road can collect and flow into the drainage ditch, the top of the drainage ditch is open, and the drainage grate is arranged at the opening to prevent pedestrians or vehicles from sinking into the drainage ditch. However, because the drainage space of the drainage grate is large, some garbage such as plastic bags, chewing gum packing paper, branches and the like can enter the drainage ditch through the drainage grate, so that the drainage ditch is blocked, the water cannot be drained, and rainwater cannot be collected to further realize water storage.

Disclosure of Invention

The invention aims to provide a sponge urban rainwater recycling device to solve the problem that drainage and water storage functions cannot be realized due to the fact that a drainage ditch is blocked and cannot be dredged in time.

In order to achieve the purpose, the invention adopts the following technical scheme: the sponge urban rainwater recycling device comprises a drainage structure and a water storage structure, wherein the drainage structure comprises a drainage ditch and a plurality of U-shaped pipes, the U-shaped pipes are arranged along the length direction of the drainage ditch, and two ends of each U-shaped pipe are communicated with the drainage ditch; the water storage structure comprises a plurality of water storage tanks and water inlet pipes, the water inlet pipes are communicated with the water storage tanks and the drainage ditches, and each water storage tank is communicated with a water outlet pipe; the internal perisporium fixedly connected with annular platform of cistern is equipped with filter screen I in the cistern, and filter screen I is placed on the annular platform, filter screen I is located the below of inlet tube, the top of outlet pipe.

The principle and the advantages of the scheme are as follows: during practical application, rainwater flows into the drainage ditch after, flows into the cistern through the inlet tube and stores in, can supply people's door to use when needing. And, because the inlet tube is located the top of filter screen I, and the outlet pipe is located the below of filter screen I, consequently, the water resource in the cistern all filters through filter screen I earlier and then discharges through the outlet pipe and use, can supply people directly to be used for watering flowers and trees, lawn etc. realizes the recycle of rainwater.

Moreover, in this scheme, because the intercommunication has a plurality of U type pipes on the length direction of escape canal, consequently, after the escape canal blockked up, the rainwater that collects in the escape canal increases gradually, and the water level rises gradually, and when the water level rose to U type pipe department, the rainwater can flow in U type pipe, flows back to in the escape canal through the other end of U type pipe again to bypass the jam position in escape canal, avoid blockking up the problem that leads to unable drainage, retaining because of the escape canal.

Preferably, as an improvement, the drainage structure further comprises a retaining wall arranged on the side edge of the sidewalk, a permeable wall is buried below the retaining wall, the drainage ditch is located on one side, away from the sidewalk, of the permeable wall, and the U-shaped pipe is embedded in the permeable wall; the retaining wall is equipped with the passageway of vertical setting, and the bottom of passageway communicates with each other with the escape canal, is equipped with the filter in the passageway, and the bottom of filter offsets with the diapire in escape canal, and the depressed part has been seted up towards a lateral wall of the wall of permeating water to the bottom of filter, and a lateral wall that the wall of permeating water was kept away from to the depressed part has seted up the filtration mouth, and fixedly connected with filter screen II in the filtration mouth, a lateral wall fixedly connected with filter layer of the wall of permeating water is kept away from to the depressed part.

In this scheme, in rainwater infiltration escape canal through the permeable wall after the infiltration downwards on the pavement, in this in-process, filter layer and filter screen II on the filter will filter the rainwater, and the interception comes from the grit of permeable wall direction, avoids the grit to get into in the escape canal. And the intercepted sand is accumulated on the bottom wall of the recess. When the filter plate or the filter layer needs to be regularly maintained and replaced, a maintenance worker takes out the filter plate, maintains the filter plate or replaces the filter layer, rainwater on the sidewalk can be smoothly drained into the drainage ditch, water accumulation on the sidewalk is avoided, and the operation is simple and convenient. Simultaneously, the grit on the depressed part diapire will be taken out, avoids the grit to accumulate in the escape canal. In addition, because the U type pipe inlays in the wall that permeates water, and the both ends of U type pipe all communicate with the escape canal, and the tip of U type pipe is located the one side of depressed part orientation wall that permeates water promptly, and rubbish in the escape canal will be intercepted to filter layer and filter screen II this moment, avoids rubbish to block up U type pipe to make U type pipe exert effect smoothly.

Preferably, as an improvement, a thin plate is fixedly connected to the bottom wall of the recess, and the thin plate, the side wall and the bottom wall of the recess form an accommodating groove.

In this scheme, the grit that is intercepted by filter layer and filter screen is piled up in the holding tank, and the filter rebound in-process, the grit is difficult for dropping.

Preferably, as an improvement, a plurality of water through holes are formed in the end portions of the U-shaped pipes.

In this scheme, when the escape canal blockked up, simultaneously, when tip (water inlet) of U type pipe were blockked up, rainwater in the escape canal can get into in the U type pipe through the limbers on U type pipe tip to make the rainwater walk around the jam position in escape canal smoothly.

Preferably, as an improvement, a plurality of the U-shaped pipes are arranged in a staggered manner along the length direction of the drainage ditch.

In this scheme, when U type pipe was followed the crisscross setting of length direction in escape canal, U type pipe had the overlap portion in the ascending projection in vertical side, promptly, the place ahead that the intercommunication department of the preceding U type pipe rear end and escape canal was located to the intercommunication department of the back U type pipe front end and escape canal. Therefore, when the end part of one U-shaped pipe is blocked by garbage, rainwater can flow away through the previous U-shaped pipe or the next U-shaped pipe of the U-shaped pipe, and the possibility of U-shaped pipe failure is reduced.

Preferably, as an improvement, a protective guard is arranged on the periphery of the water storage tank, a plurality of pull ropes are fixedly connected to the edge of the filter screen I, and one end, far away from the filter screen I, of each pull rope is fixedly connected to the protective guard.

In this scheme, staff's accessible pulling stay cord for filter screen I risees, and then, rubbish in the cistern is intercepted on filter screen I, makes things convenient for the staff to handle the rubbish in the cistern.

Preferably, as an improvement, the bottom of filter screen I fixedly connected with reinforcement.

In this scheme, the reinforcement of I bottom in filter screen can strengthen the intensity of filter screen I to the life of extension filter screen I.

Preferably, as an improvement, the top of cistern is equipped with wind-up roll and receipts rope, and the both ends of wind-up roll are rotated and are connected on the rail guard, and the top and the wind-up roll fixed connection of receipts rope, the one end that filter screen I was kept away from to a plurality of stay cords all with the bottom fixed connection of rolling rope, the vertical axis coincidence of receipts rope and filter screen I.

In this scheme, the usable motor of staff drives the wind-up roll and rotates for the rolling rope rolling is on the wind-up roll, thereby makes filter screen I rise, avoids the manual pulling stay cord of staff to make I height on the filter screen, reduces staff's work load.

Preferably, as an improvement, the edge fixedly connected with of filter screen I vertically sets up the annular baffle.

In this scheme, when filter screen I slope, the annular baffle can avoid the rubbish landing to the cistern on the filter screen I.

Preferably, as an improvement, a plurality of the reservoirs are communicated through water guide pipes, and the water guide pipes are positioned below the filter screen I.

In this scheme, when communicating through the aqueduct between the cistern, hold water back at certain cistern, the rainwater can flow into other cisterns through the aqueduct to avoid the water in the cistern to spill out.

Drawings

FIG. 1 is a schematic structural diagram of a device for recycling rainwater from a sponge city according to an embodiment of the present invention;

FIG. 2 is a partial top view of the drain and U-tube of FIG. 1;

FIG. 3 is a right side view of FIG. 2;

FIG. 4 is a top view of a single U-shaped tube in communication with a drain in accordance with one embodiment of the present invention;

FIG. 5 is an enlarged view of A in FIG. 1;

fig. 6 is a schematic structural view of a device for recycling rainwater in a sponge city according to a second embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: drainage ditch 1, U type pipe 2, pavement 3, gravel layer 301, rubble layer 302, face brick layer 303, retaining wall 4, permeable wall 5, limbers 6, filter 7, depressed part 8, filter screen II 9, filter layer 10, sheet metal 11, holding tank 12, waterproof layer 13, cistern 14, inlet tube 15, outlet pipe 16, annular platform 17, filter screen I18, reinforcement 19, aqueduct 20, rail guard 21, annular baffle 22, stay cord 23, wind-up roll 24, rolling rope 25, drainage grate 26.

Example one

This embodiment is substantially as shown in fig. 1: sponge city rainwater recycle device is including drainage structures and retaining structure. Drainage structures includes escape canal 1 and a plurality of U type pipe 2, still including pouring retaining wall 4 at 3 sides on pavement, and permeable wall 5 has been pour to the below of retaining wall 4, and escape canal 1 is located permeable wall 5 and keeps away from one side on pavement 3. As shown in fig. 2 and 3, a plurality of U-shaped pipes 2 are arranged in a staggered manner along the length direction of the drainage ditch 1. As shown in the combined drawing 4, both ends of the U-shaped pipe 2 are communicated with the drainage ditch 1, the end part of the U-shaped pipe 2 extends into the drainage ditch 1, and a plurality of water through holes 6 are formed in the end part of the U-shaped pipe 2. In this embodiment, the U-shaped pipe 2 is located on one side of the drainage ditch 1 away from the permeable wall 5.

The retaining wall 4 is provided with a vertically arranged channel, and the bottom end of the channel is communicated with the drainage ditch 1. Be equipped with filter 7 in the passageway, the bottom of filter 7 offsets with the diapire of escape canal 1, and in this embodiment, filter 7 is corrosion resistant plate, long service life. The depressed part 8 has been seted up towards a lateral wall (left side wall) of permeable wall 5 to the bottom of filter 7, and the filter mouth has been seted up to a lateral wall (right side wall) that permeable wall 5 was kept away from to depressed part 8, and it is shown in combination figure 5, fixedly connected with filter screen II 9 in the filter mouth, a lateral wall (right side wall) fixedly connected with filter layer 10 of permeable wall 5 was kept away from to depressed part 8, and filter layer 10 covers filter screen II 9. In this embodiment, the filter screen ii 9 is a stainless steel filter screen, and the filter layer 10 is geotextile. The bottom wall of the concave part 8 is fixedly connected with a thin plate 11, and the thin plate 11, the side wall and the bottom wall of the concave part 8 form an accommodating groove 12.

The sidewalk 3 comprises a gravel layer 301, a gravel layer 302 and a face brick layer 303 which are sequentially paved from bottom to top, wherein the face brick layer 303 comprises a plurality of arrays of face bricks. The waterproof layer 13 is laid on the bottom surface of the gravel layer 301, the waterproof layer 13 penetrates through the lower part of the permeable wall 5 and is laid on the bottom wall of the drainage ditch 1, and the mode layer is bonded with the bottom wall of the drainage ditch 1. In this embodiment, the waterproof layer 13 may be made of water-proof plastic, and the plastic is not easily decomposed by microorganisms, so that the service life is long.

The water storage structure comprises a plurality of water storage tanks 14 and water inlet pipes 15, and the water inlet pipes 15 are communicated with the water storage tanks 14 and the drainage ditches 1. In this embodiment, reservoir 14 is formed by digging a recess down into the ground. Each reservoir 14 is connected to a water outlet pipe 16, and the water outlet pipe 16 is provided with a check valve (not shown) for guiding water out of the reservoir 14. The internal perisporium fixedly connected with annular platform 17 of cistern 14 is equipped with filter screen I18 in the cistern 14, and filter screen I18 places on annular platform 17, and filter screen I18 is located the below of inlet tube 15, the top of outlet pipe 16. Geotechnological cloth has been laid to the upper surface of filter screen I18, and the bottom welding of filter screen I18 has reinforcement 19, and in this embodiment, reinforcement 19 is the strengthening rib. The water reservoirs 14 are communicated through a water guide pipe 20, and the water guide pipe 20 is positioned below the filter screen I18.

A guard rail 21 is fixedly installed at the outer circumference of the water reservoir 14 to prevent people or animals from falling into the water reservoir 14. The edge fixedly connected with annular baffle 22 and a plurality of stay cord 23 of filter screen I18, the vertical setting of annular baffle 22 to when avoiding filter screen I18 to rise, rubbish landing in it is to the cistern 14 in. In this embodiment, the number of the pull ropes 23 is four, and the four pull ropes 23 are uniformly distributed along the circumference of the filter screen i 18. A winding roller 24 and a winding rope 25 are arranged above the water storage tank 14, two ends of the winding roller 24 are rotatably connected to the protective guard 21 through bearings, the top end of the winding rope 25 is fixedly connected with the winding roller 24, one ends of the four pull ropes 23, far away from the filter screen I18, are gathered at the bottom end of the winding rope 25 and are fixedly connected with the bottom end of the winding rope 25, and the winding rope 25 is overlapped with a vertical central axis of the filter screen I18.

The specific implementation process is as follows: when raining, rainwater on the sidewalk 3 downwards permeates into the gravel layer 301, and the waterproof layer 13 is arranged below the gravel layer 301, so that rainwater cannot continuously downwards permeate into the permeable wall 5 rightwards, and flows into the drainage ditch 1 after being filtered by the filter layer 10 on the filter plate 7 and the filter screen II 9, and rainwater seepage and drainage on the sidewalk 3 are realized.

When needing regularly to maintain filter 7 or filter layer 10 when needing the replacement, maintenance personal can directly upwards take out filter 7, maintain filter 7 again or replace filter layer 10 on the filter 7 for new geotechnological cloth, at last with filter 7 insert back in the passageway can, convenient operation. And, in the process that the rainwater on pavement 3 gets into escape canal 1, the grit that filter layer 10 and filter screen II 9 were intercepted is piled up in holding tank 12. When the maintenance personnel take out filter 7, can take this part grit out of escape canal 1 in, reduce the grit volume in the escape canal 1, kill two birds with one stone.

At the same time, the rain water on the road flows to the roadside, flows into the drainage ditch 1 through the drainage grate 26, and flows into the reservoir 14 through the inlet pipe 15 together with the rain water from the sidewalk 3. At this time, since the filter screen i 18 in the water reservoir 14 is positioned below the water inlet pipe 15, the rainwater flowing into the water reservoir 14 is filtered by the filter screen i 18 and flows to the bottom of the water reservoir 14, so that the rainwater is stored.

In the process that rainwater on the road flows into the drainage ditch 1 through the drainage grate 26 after being converged, since the drainage gap of the drainage grate 26 is large, garbage such as plastic bags, gum packing paper, tree branches, etc. may be brought into the drainage ditch 1. Thus, the drainage ditch 1 may be clogged with garbage, so that rainwater cannot flow into the water reservoir 14. And in this embodiment, when the problem of jam appears in escape canal 1, the rainwater constantly flows into in the escape canal 1, the water level in the escape canal 1 rises, in can flowing into U type pipe 2 until the rainwater, then, the rainwater flows into U type pipe 2 from the one end of U type pipe 2, flow back to in the escape canal 1 from the other end of U type pipe 2 again, thereby walk around the jam part in escape canal 1, realize the drainage of rainwater, and then make the rainwater flow into the cistern 14 in and hold smoothly, avoid leading to unable drainage because of 1 jam in escape canal, retaining.

When people need use the water resource in the cistern 14, can link to each other the end of intaking of suction pump with outlet pipe 16, start the suction pump, can take out the water resource in the cistern 14 for watering flowers and trees, meadow etc. realize the recycle of rainwater. In addition, because the water outlet pipe 16 is positioned below the filter screen I18, water resources discharged through the water outlet pipe 16 are cleaner, and waste such as plastics and the like cannot flow into the water outlet pipe 16 to cause damage to the water suction pump.

In addition, when people need clear up cistern 14, can be connected the output of motor with wind-up roll 24, the starter motor, make the motor drive wind-up roll 24 and rotate, the coiling rope 25 rolling is on wind-up roll 24, drive stay cord 23 rebound, thereby drive filter screen I18 rebound, and make filter screen I18 shift up to the top of the surface of water, the side is all intercepted the rubbish in aquatic on filter screen I18, so that the staff clears up, reduce the work load that the staff cleared up cistern 14, improve the cleaning efficiency of cistern 14.

Example two

The difference between the present embodiment and the first embodiment is: in the present embodiment, as shown in FIG. 6, the U-shaped pipe 2 is embedded in the permeable wall 5, and the U-shaped pipe 2 can extend into the gravel layer 301. The two ends of the U-shaped pipe 2 are positioned in the drainage ditch 1 at the left of the filter plate 7.

In this embodiment, since the two ends of the U-shaped pipe 2 are located in the drainage ditch 1 on the left of the filter plate 7, the end of the U-shaped pipe 2 is not blocked by garbage under the protection of the filter screen ii 9 and the filter layer 10, and the function of the U-shaped pipe 2 is ensured.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Sponge city rainwater recycle device, including drainage structures and retaining structure, its characterized in that: the drainage structure comprises a drainage ditch and a plurality of U-shaped pipes, the U-shaped pipes are arranged along the length direction of the drainage ditch, and two ends of each U-shaped pipe are communicated with the drainage ditch; the water storage structure comprises a plurality of water storage tanks and water inlet pipes, the water inlet pipes are communicated with the water storage tanks and the drainage ditches, and each water storage tank is communicated with a water outlet pipe; the internal perisporium fixedly connected with annular platform of cistern is equipped with filter screen I in the cistern, and filter screen I is placed on the annular platform, filter screen I is located the below of inlet tube, the top of outlet pipe.

2. The sponge city rainwater recycle device of claim 1, characterized in that: the drainage structure also comprises a retaining wall arranged on the side edge of the sidewalk, a permeable wall is embedded below the retaining wall, the drainage ditch is positioned on one side of the permeable wall, which is far away from the sidewalk, and the U-shaped pipe is embedded in the permeable wall; the retaining wall is equipped with the passageway of vertical setting, and the bottom of passageway communicates with each other with the escape canal, is equipped with the filter in the passageway, and the bottom of filter offsets with the diapire in escape canal, and the depressed part has been seted up towards a lateral wall of the wall of permeating water to the bottom of filter, and a lateral wall that the wall of permeating water was kept away from to the depressed part has seted up the filtration mouth, and fixedly connected with filter screen II in the filtration mouth, a lateral wall fixedly connected with filter layer of the wall of permeating water is kept away from to the depressed part.

3. The sponge city rainwater recycle device of claim 2, characterized in that: the diapire fixedly connected with sheet metal of depressed part, the holding tank is formed with the lateral wall, the diapire of depressed part to the sheet metal.

4. The sponge urban rainwater recycling device according to claim 1 or 3, characterized in that: and a plurality of limber holes are formed at the end part of the U-shaped pipe.

5. The sponge city rainwater recycle device of claim 4, characterized in that: and the U-shaped pipes are arranged in a staggered manner along the length direction of the drainage ditch.

6. The sponge city rainwater recycle device of claim 5, characterized in that: the periphery of cistern is equipped with the rail guard, the edge fixedly connected with of filter screen I has a plurality of stay cords, and the one end fixed connection that filter screen I was kept away from to the stay cord is on the rail guard.

7. The sponge city rainwater recycle device of claim 6, characterized in that: the bottom of filter screen I fixedly connected with reinforcement.

8. The sponge city rainwater recycle device of claim 7, which is characterized in that: the top of cistern is equipped with wind-up roll and receipts winding rope, and the both ends of wind-up roll are rotated and are connected on the rail guard, and the top and the wind-up roll fixed connection of receipts winding rope, the one end that filter screen I was kept away from to a plurality of stay cords all with the bottom fixed connection of rolling rope, the vertical axis coincidence of receipts winding rope and filter screen I.

9. The sponge city rainwater recycle device of claim 8, characterized in that: the edge of the filter screen I is fixedly connected with a vertically arranged annular baffle.

10. The sponge city rainwater recycle device of claim 9, characterized in that: and the water storage tanks are communicated through water guide pipes, and the water guide pipes are positioned below the filter screen I.