CN210288652U

CN210288652U - Novel rainwater diversion system for sponge city

Info

Publication number: CN210288652U
Application number: CN201921190119.4U
Authority: CN
Inventors: 袁明京
Original assignee: Shenzhen Harbor Construction Co Ltd
Current assignee: Shenzhen Harbor Construction Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-10
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a novel rainwater diversion system for sponge city, which comprises a rain well connected with a municipal rainwater drainage canal and a reservoir arranged underground, wherein a clear water discharge pipe communicated with a municipal rainwater pipeline network is arranged in the reservoir, a water pump is arranged in the clear water discharge pipe, the bottom of the rain well is provided with a precipitation area, one side of the precipitation area is provided with a sewage discharge area, a blow-off pipe is arranged in the sewage discharge area, the blow-off pipe is provided with a sewage interception valve for controlling the inlet and outlet of rainwater, the blow-off pipe is communicated with the municipal sewage canal, a through hole is communicated between the sewage discharge area and the precipitation area, and the sewage discharge area is communicated with the reservoir to form a sewage pipe; the utility model discloses have and to arrange away the rainwater that has just flowed into in the rain well, reduce the effect that contains soluble pollutant and arrange into municipal rainwater pipeline net.

Description

Novel rainwater diversion system for sponge city

Technical Field

The utility model belongs to the technical field of the technique of drainage structures and specifically relates to a novel rainwater reposition of redundant personnel system in sponge city is related to.

Background

The rainwater is generally cleaner than domestic sewage and industrial sewage, if directly arrange into the sewage canal, can cause the waste of rainwater, and through the reposition of redundant personnel of rain and sewage processing, with rainwater and sewage separately the back, the rainwater can directly be discharged into city inland river, increases city inland river water yield, improves the utilization ratio of rainwater.

Chinese patent publication No. CN209011283U discloses a novel rainwater diversion system for sponge city, which comprises a reservoir and a diversion well connected with a rainwater drainage ditch, wherein the reservoir and the diversion well are connected with a sewage pipe, the diversion well is divided into a settling zone and a diversion zone, the diversion zone is provided with a clear water discharge pipe, the rainwater diversion system settles pollutants in rainwater in the settling zone and the reservoir, and then the settled rainwater is discharged into a municipal rainwater pipeline network to realize the collection of rainwater.

The above prior art solutions have the following drawbacks: at the initial stage of rainfall, the rainwater can dissolve polluting gases such as factory's waste gas in the air for rainwater at this moment contains soluble pollutant, and soluble pollutant can't deposit in sedimentation zone or cistern, and soluble pollutant can be followed the rainwater and discharged municipal rainwater pipeline network through the clear water delivery pipe, causes the pollution of municipal rainwater pipeline network.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel rainwater reposition of redundant personnel system in sponge city, it can be with the rainwater of rainfall initial stage inflow in the rain well row, realizes abandoning of rainwater initial stage and flows, reduces to contain during soluble pollutant emits into municipal rainwater pipeline network.

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

the utility model provides a novel rainwater reposition of redundant personnel system in sponge city, includes the rain well of being connected with municipal rainwater drainage canal and sets up the cistern in the underground, be equipped with the clear water delivery pipe with municipal rainwater pipeline net intercommunication in the cistern, install the water pump in the clear water delivery pipe, rain well bottom is equipped with the settling zone, one side of settling zone is equipped with the blowdown district, be equipped with the blow off pipe in the blowdown district, the blow off pipe is equipped with the dirt valve of intercepting that is used for controlling the rainwater business turn over, blow off pipe and municipal sewage canal intercommunication, the blowdown district with the intercommunication has the through-hole between the settling zone, the blowdown district with the cistern intercommunication has the sewage pipe.

Through the technical scheme, during the rainfall, the rainwater flows into the settling zone from the rain well and carries out preliminary sedimentation, then get into the blowdown zone through the through-hole, because rainfall initial stage rainwater can be dissolved more soluble pollutant, consequently, the rainwater of blow off pipe in the rainfall initial stage is arranged into municipal sewage canal ditch, treat that the rainfall lasts the certain time, gaseous pollutants majority in the air is taken away by the rainwater in the rainfall initial stage, the content of the soluble pollutant in the rainwater reduces this moment, cut the blow off valve and close the blow off pipe, the rainwater carries out the secondary through the sewage pipe entering cistern and deposits, the water pump of rethread is carried to municipal rainwater pipeline network in the cistern.

Furthermore, the middle part of the reservoir is provided with an isolation weir, the isolation weir divides the reservoir into a water storage area and a water drainage area, the sewage pipe is communicated with the water storage area, and the clear water discharge pipe is communicated with the water drainage area.

Through above-mentioned technical scheme, together take out the clear water delivery pipe with the sediment of cistern bottom when avoiding water pump water, the rainwater that flows into in the cistern from the blowdown district can gather earlier in the retaining district, and carry out the secondary in the retaining district and deposit, water level along with the retaining district constantly risees, the rainwater in final retaining district can be walked over the isolation weir and flow in the drainage district, clear water delivery pipe extracts the rainwater in drainage district, the rainwater that makes in the clear water delivery pipe contains deposits less, thereby reduce the pollution to municipal rainwater pipeline net.

Further, the lateral wall in blowdown district is equipped with the mount pad, the mount pad set up with the mouth of pipe of blow off pipe intercommunication, cut dirty valve and include flotation pontoon and flashboard, the position of flashboard corresponds orificial position, just the flashboard covers the mouth of pipe, the flotation pontoon with the flashboard is connected with the connecting rod, be equipped with the pivot on the connecting rod, the pivot rotate connect in the mount pad.

According to the technical scheme, in the early stage of rainfall, the flashboard is positioned above the pipe orifice, and rainwater flows away from the pipe orifice; along with the going on of rainfall, the rainwater that flows into the blowdown district from the settling zone constantly increases, and the water level in the blowdown district also progressively rises, and the flotation pontoon is along with water level upward movement under the buoyancy, and the flotation pontoon drives the connecting rod and uses the pivot to rotate as the axle center, and then the connecting rod drives flashboard downstream, makes the flashboard cover the mouth of pipe gradually, finally closes the blow off pipe.

Further, the pipe orifice is close to one side of blowdown district diapire is equipped with spacing platform, the flashboard butt in spacing platform.

Through above-mentioned technical scheme, when the flashboard covers the mouth of pipe completely, the flashboard can support by in spacing platform, and spacing platform prevents the flashboard and continues downstream to keep the unchangeable of flashboard position, make the flashboard cover the mouth of pipe always.

Further, the position of the sewage pipe is higher than that of the sewage discharge pipe.

Through above-mentioned technical scheme, the rainwater of rainfall initial stage is discharged by the blow off pipe, can not flow into the cistern through the sewage pipe.

Furthermore, the rain well is provided with a mud discharging pipe, a mud pump is arranged outside the rain well, one end of the mud discharging pipe is connected with the mud pump, and the other end of the mud discharging pipe is communicated to the bottom in the sedimentation area.

Through above-mentioned technical scheme, utilize the mud pipe to take away the sediment mud that the bottom of sedimentation district produced, reduce the piling up of sediment mud in the sedimentation district, influence the first precipitation effect of rainwater.

Further, the bottom of the settling zone is tapered.

Through above-mentioned technical scheme, the sedimentation mud of sedimentation zone is concentrated in the toper bottom under the action of gravity, and the mud pipe of being convenient for takes out sedimentation mud.

Furthermore, a trash rack is arranged at the top of the rain well.

Through above-mentioned technical scheme, block dirty grid and can block that major possession rubbish or debris get into the rain well, keep the unobstructed of rain well.

The utility model has the advantages that:

1. rainwater at the early stage of rainfall contains more soluble pollutants, a drain pipe is arranged in a drain area, and the rainwater at the early stage of rainfall is drained into a municipal sewage ditch through the drain pipe, so that the pollution of the soluble pollutants in the rainwater to a municipal rainwater pipeline network is reduced;

2. the float bowl of the sewage interception valve moves by utilizing the buoyancy of rainwater, so that the opening and closing of the sewage discharge pipe can be automatically controlled according to the rainwater level in the sewage discharge area, and the trouble of manual control is saved;

3. the settling zone is provided with a sludge discharge pipe, so that the settling sludge at the bottom of the settling zone can be conveniently cleaned, and the good operation of the settling zone is kept.

Drawings

FIG. 1 is a schematic plan view of a novel rainwater diversion system for sponge cities;

fig. 2 is a three-dimensional structure diagram of a sewage interception valve of a novel rainwater diversion system in a sponge city.

In the figure: 1. a rain well; 11. a trash rack; 12. a sludge discharge pipe; 13. a mud pump; 2. a settling zone; 21. a through hole; 3. a blowdown area; 31. a blow-off pipe; 32. a pipe orifice; 33. a mounting seat; 34. a sewage interception valve; 35. a float bowl; 36. a shutter plate; 37. a connecting rod; 38. a rotating shaft; 39. a limiting table; 4. a reservoir; 41. a sewage pipe; 42. a water storage area; 43. a drainage area; 44. an isolation weir; 45. a clear water discharge pipe; 46. a water pump; 47. a flood discharge pipe.

Detailed Description

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

As shown in fig. 1, for the utility model discloses a novel rainwater reposition of redundant personnel system in sponge city, including rain well 1, rain well 1 is connected with municipal rainwater drainage canal, and 1 bottoms in rain well are precipitation zone 2, and one side of precipitation zone 2 is equipped with sewage discharging area 3, and sewage discharging area 3 installs sewage pipe 41, and sewage pipe 41 intercommunication has locates underground cistern 4, cistern 4 and municipal rainwater pipeline net intercommunication.

As shown in fig. 1, a trash rack 11 is fixed on the top of the rain well 1, and the trash rack 11 can block large garbage or sundries outside the rain well 1; install sludge discharge pipe 12 in the rain well 1, sludge discharge pipe 12 is along the vertical setting of the lateral wall of rain well 1, mud pump 13 is installed outward to rain well 1, the one end and the mud pump 13 of sludge discharge pipe 12 are connected, the bottom intercommunication in the other end and the settling zone 2, the bottom of settling zone 2 is the toper, pollutant in the rainwater is at settling zone 2 preliminary sedimentation, produce and deposit mud, deposit mud and gather in conical pointed end position under the action of gravity, sludge discharge pipe 12 takes away the 2 concentrated sediment mud in settling zone, reduce the piling up of sediment mud in settling zone 2.

As shown in fig. 1, the precipitation zone 2 is communicated with the sewage discharge zone 3 through a through hole 21, a sewage discharge pipe 31 is installed in the sewage discharge zone 3, the sewage discharge pipe 31 is communicated with a municipal sewage ditch, rainwater at the early stage of rainfall can contain more soluble pollutants, and the sewage discharge pipe 31 discharges the rainwater at the early stage of rainfall into the municipal sewage ditch, so that pollution to a municipal rainwater pipeline network is reduced; the position of the sewage pipe 41 is higher than that of the sewage pipe 31, so that the rainwater in the early stage of rainfall is discharged through the sewage pipe 31 and cannot flow into the reservoir 4 through the sewage pipe 41.

As shown in fig. 2, a mounting seat 33 is fixed on a side wall of the sewage discharging area 3, the mounting seat 33 is provided with a pipe orifice 32 communicated with the sewage discharging pipe 31, the pipe orifice 32 is provided with a sewage intercepting valve 34, the sewage intercepting valve 34 comprises a float 35 and a gate plate 36, the position of the gate plate 36 corresponds to the position of the pipe orifice 32, the gate plate 36 can cover the pipe orifice 21, the float 35 and the gate plate 36 are connected through a connecting rod 37, the side wall of the sewage discharging area 3 is rotatably provided with a rotating shaft 38, the connecting rod 37 is fixed on the rotating shaft 38, so that the connecting rod 37 and the rotating shaft 38 rotate as an axis, when rainwater in the sewage discharging area 3 accumulates to raise the water level, the float 35 moves upwards along with the water level under the action of buoyancy, the float 35 drives the connecting rod 37 to rotate, and the connecting rod 37 drives the; a limiting table 39 is fixed on one side of the nozzle 32 close to the bottom wall of the sewage discharging area 3, when the shutter 36 completely covers the nozzle 32, the shutter 36 can abut against the limiting table 39, and the limiting table 39 prevents the shutter 36 from continuously moving downwards, so that the shutter 36 always covers the nozzle 32.

As shown in fig. 1, an isolation weir 44 is fixed in the middle of the water storage tank 4, the isolation weir 44 divides the water storage tank 4 into a water storage area 42 and a water drainage area 43, the sewage pipe 41 is communicated with the water storage area 42, the water drainage area 43 is communicated with a clear water discharge pipe 45, a water pump 46 is installed in the clear water discharge pipe 45, the clear water discharge pipe 45 is connected with a municipal rainwater pipeline network, so that the situation that when the water pump 46 pumps water, sediment at the bottom of the water storage tank 4 is pumped into the clear water discharge pipe 45 together to cause pollution to the municipal rainwater pipeline network is avoided, therefore, rainwater is firstly collected in the water storage area 42, secondary sedimentation is carried out in the water storage area 42, rainwater in the water storage area 42 flows into the water drainage area 43 after overflowing the isolation weir 44, and the sediment in the water storage; a flood discharge pipe 47 is connected in the water storage tank 4, the flood discharge pipe 47 is communicated with a municipal flood discharge canal, and when urban inland inundation occurs, excessive rainwater in the water storage tank 4 can be drained through the flood discharge pipe 47.

The implementation principle of the embodiment is as follows:

in the early stage of rainfall, rainwater flows into the precipitation zone 2 through the rain well 1, the rainwater is subjected to primary precipitation in the precipitation zone 2, precipitated sludge formed by precipitation is accumulated at the bottom of the precipitation zone 2, and when the amount of the precipitated sludge is accumulated to a certain amount, the precipitated sludge is pumped away by the sludge discharge pipe 12; when the water level of the rainwater in the sedimentation zone 2 is higher than the through hole 21, the rainwater flows into the sewage draining zone 3 through the through hole 21 and is drained into the municipal sewage ditch through the sewage draining pipe 31; when rainfall reaches a certain degree, the rainwater in the sewage discharge area 3 is continuously increased, the water level gradually rises, the buoy 35 drives the flashboard 36 to gradually cover the pipe opening 32 under the action of buoyancy, and finally the sewage discharge pipe 31 is closed; when the rainwater level in the sewage draining area 3 is higher than the sewage pipe 41, the rainwater flows into the water storage area 42 of the water storage tank 4 through the sewage pipe 41, secondary sedimentation is carried out in the water storage area 42, the rainwater in the water storage area 42 continuously increases and finally flows into the water draining area 43 by overflowing the isolating weir 44, and the rainwater in the water draining area 43 is pumped into the clean water discharging pipe 45 by the water pump 46 and finally flows into the municipal rainwater network.

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. The utility model provides a novel rainwater reposition of redundant personnel system in sponge city, includes rainwell (1) of being connected with municipal rainwater drainage ditch and sets up cistern (4) in the underground, be equipped with clear water delivery pipe (45) with municipal rainwater pipeline net intercommunication in cistern (4), install water pump (46), its characterized in that in clear water delivery pipe (45): rain-well (1) bottom is equipped with sedimentation zone (2), one side of sedimentation zone (2) is equipped with blowdown district (3), be equipped with blow off pipe (31) in blowdown district (3), blow off pipe (31) are equipped with and are used for controlling intercepting dirty valve (34) of rainwater business turn over, blow off pipe (31) and municipal administration sewage canal ditch intercommunication, blowdown district (3) with the intercommunication has through-hole (21) between sedimentation zone (2), blowdown district (3) with cistern (4) intercommunication has sewage pipe (41).

2. The novel rainwater diversion system for sponge city according to claim 1 is characterized in that: the middle part of the water storage tank (4) is provided with an isolation weir (44), the isolation weir (44) divides the water storage tank (4) into a water storage area (42) and a water drainage area (43), the sewage pipe (41) is communicated with the water storage area (42), and the clean water discharge pipe (45) is communicated with the water drainage area (43).

3. The novel rainwater diversion system for sponge city according to claim 1 is characterized in that: the lateral wall of blowdown district (3) is equipped with mount pad (33), mount pad (33) seted up with mouth of pipe (32) of blow off pipe (31) intercommunication, cut dirty valve (34) and include flotation pontoon (35) and flashboard (36), the position of flashboard (36) corresponds the position of mouth of pipe (32), just flashboard (36) cover mouth of pipe (32), flotation pontoon (35) with flashboard (36) are connected with connecting rod (37), be equipped with pivot (38) on connecting rod (37), pivot (38) rotate connect in mount pad (33).

4. The novel rainwater diversion system for sponge city according to claim 3 is characterized in that: the pipe orifice (32) is close to one side of the bottom wall of the sewage discharge area (3) is provided with a limiting table (39), and the flashboard (36) is abutted to the limiting table (39).

5. The novel rainwater diversion system for sponge city according to claim 1 is characterized in that: the position of the sewage pipe (41) is higher than that of the sewage pipe (31).

6. The novel rainwater diversion system for sponge city according to claim 1 is characterized in that: the rainwater well (1) is provided with a sludge discharge pipe (12), a sludge pump (13) is arranged outside the rainwater well (1), one end of the sludge discharge pipe (12) is connected with the sludge pump (13), and the other end of the sludge discharge pipe is communicated to the bottom in the sedimentation area (2).

7. The novel rainwater diversion system for sponge city according to claim 1 is characterized in that: the bottom of the settling zone (2) is conical.

8. The novel rainwater diversion system for sponge city according to claim 1 is characterized in that: and a trash rack (11) is arranged at the top of the rain well (1).