CN209989895U

CN209989895U - Rainwater resource ecological utilization device for realizing regional hydrology virtuous cycle

Info

Publication number: CN209989895U
Application number: CN201920000856.7U
Authority: CN
Inventors: 庞会涛
Original assignee: Qingdao Environmental Science And Technology (suzhou) Co Ltd
Current assignee: Qingdao Environmental Science And Technology (suzhou) Co Ltd
Priority date: 2019-01-02
Filing date: 2019-01-02
Publication date: 2020-01-24
Anticipated expiration: 2029-01-02

Abstract

The utility model relates to a realize rainwater resourceful ecological utilization device of regional hydrology virtuous circle, water in the base, be provided with a plurality of drainage pipes to the water drainage around the water, one or more drainage pipe and city drainage pipe intercommunication, be provided with the vatch basin on the drainage pipe, the vatch basin dams sewage and dams the drainage of discharging into the modularization wetland, one or more drainage pipe and sponge facility intercommunication, water in sponge facility and the city drainage pipe passes through during drainage pipe flows into the water, the integration pump station is through setting up in underground communicating pipe and water intercommunication, the integration pump station is with in water suction sponge facility or the water supply network, the utility model discloses both utilize the water regulation volume, the self-purification ability of accessible water carries out preliminary purification to the rainwater again. Both can irrigate the rainwater after handling and carry out water resource utilization, can vacate the space for the rainwater regulation again, can also alleviate heat island effect through irrigating the regulation climate, alleviate air dust pollution.

Description

Rainwater resource ecological utilization device for realizing regional hydrology virtuous cycle

Technical Field

The utility model relates to a realize regional hydrology virtuous circle's rainwater resourceization ecological utilization device belongs to water treatment technical field.

Background

Through sponge city construction, comprehensive measures of 'seepage, stagnation, storage, purification, use, discharge' and the like are adopted, the influence of city development and construction on the ecological environment is reduced to the maximum extent, and 70% of rainfall is absorbed and utilized on the spot. In 2020, more than 20% of the area of the urban built-up area meets the target requirement; by 2030, more than 80% of the area of the built-up area of the city meets the target requirement. In order to realize the purposes, sponge cities with strong bombing intensity and water environment improvement work are developed all over the country. However, the sponge city construction and the water environment remediation can not be systematically combined, so that a series of problems such as: the sponge facility only enters water when raining, so that the plants grow badly; the construction cost is high, and the landscape effect is poor and is slowly promoted; the actual treatment effect is not ideal, and although the sponge city transformation is implemented, the water environment condition can not be effectively improved; the water environment is effectively improved, but the water resource cannot reach the standard in the sponge city without effective utilization.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the problems, the rainwater resource ecological utilization device for realizing regional sponge city and water environment treatment is provided.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a realize regional hydrology virtuous circle's rainwater resourceization ecological utilization device, includes the base and sets up the water in the base, be provided with a plurality of drainage pipes to the water drainage around the water, one or more drainage pipe and urban drainage pipe intercommunication, and be provided with the vatch basin on this drainage pipe, the vatch basin dams sewage and dams the drainage of discharging into the modularization wetland, one or more drainage pipe and sponge facility intercommunication, water in sponge facility and the urban drainage pipe flows into the water through drainage pipe, the water still communicates there is the integration pump station, the integration pump station is through setting up in underground communicating pipe and water intercommunication, the water suction in the integration pump station with the water is in sponge facility or the water supply network.

Preferably, the integration pump station including set up in communicating pipe terminal filtration grid, the other end and the pump well intercommunication of setting in the underground of communicating pipe, the pump well communicates with the filter equipment that sets up on the ground, filter equipment includes the photocatalyst sterilizer, filter equipment still is connected with back flush drain pipe, water supply pipe and control box, filter equipment and control box all set up in protecting sheathing, still be provided with the liquid level inductor in the pump well, liquid level inductor and pump well all with the control box is connected.

Preferably, both sides of the intercepting well are respectively communicated with a water inlet pipe for introducing mixed rain and sewage and a water outlet pipe for draining, the pipe bottoms of the water inlet pipe and the water outlet pipe are higher than the bottom height of the intercepting well, the intercepting well is also communicated with a sewage well through an intercepting pipe or a submersible sewage pump, when the intercepting well and the sewage well are communicated by the intercepting pipe, the bottom of the sewage well is lower than the bottom of the intercepting well, and sewage in the sewage well is drained into the modular wetland.

Preferably, the tail end of the water outlet pipe is provided with an anti-backflow device, and the starting end of the water outlet pipe is provided with a filter grid.

Preferably, filter the grid include one side open-ended grid shell with the guide rail of "U" font channel-section steel form that grid shell opening one side set up, the stainless steel hand-basket of portable "L" font of being fixed with on the guide rail, stainless steel hand-basket one side is provided with carries and draws the bracelet, still be provided with the intercommunication interface on the grid shell.

Preferably, the water inlet side and the water outlet side of the filtering device are both provided with pressure gauges, the communicating pipe is further provided with a valve, and the valve is arranged in the valve well.

Preferably, the sponge facility is a rain garden, a bioretention pond or an artificial wetland.

Preferably, the modular wetland is uniformly provided with water distribution pipes above, the lower side in the modular wetland is provided with a porous water collecting pipe, the porous water collecting pipe discharges water in the modular wetland into a water collecting well on one side, and the water collecting well is also communicated with a flow outlet pipe.

Preferably, each modular wetland is provided with a water supply port, a water outlet and a water inlet, every two modular wetlands are interlocked, when the modular wetlands are connected, the modular wetlands are sequentially connected in a socket mode through the water inlet and the water outlet, and the water supply ports are connected in parallel through a water supply pipe.

Preferably, the modular wetland comprises wetland plants, a melon seed crushed stone layer, a packing layer and a gravel bearing layer from top to bottom.

The utility model has the advantages that: the utility model discloses both can utilize the regulation volume of water, can carry out preliminary purification to the rainwater through the self-purification ability of water again. By utilizing the sponge facility or the modularized wetland, surface runoff is treated when raining, rainwater regulated and stored in the water body is treated when not raining, and a good growing environment is created for plants in the sponge facility. Both can irrigate the rainwater after handling and carry out water resource utilization, can vacate the space for the rainwater regulation again, can also alleviate heat island effect through irrigating the regulation climate, alleviate air dust pollution. The system can recover the hydrologic cycle and the water environment quality of the city as soon as possible at a lower manufacturing cost and a higher speed, is simple to operate and manage, and synchronously achieves the regional sponge city and water environment improvement targets.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of the integrated pump station of the present invention;

fig. 3 is a schematic structural view of the intercepting well of the present invention;

FIG. 4 is a schematic view of the filter grid according to the present invention;

fig. 5 is a schematic structural view of the modular wetland of the present invention.

The labels in the figure are: 1-base, 2-water body, 3-sponge facility, 4-integrated pump station, 5-water supply network, 6-water discharge pipeline, 7-communicating pipe, 8-intercepting well, 9-modular wetland, 41-pump well, 42-valve, 43-filtering grid, 44-filtering device, 45-control box, 46-water supply pipeline, 47-backwashing drainage pipe, 10-protective shell, 12-stainless steel pull basket, 13-guide rail, 14-grid shell, 15-communicating interface, 16-lifting hand ring, 33-water distribution pipe, 35-porous water collection pipe, 36-water collection well, 38-outflow pipe, 81-water inlet pipe, 83-intercepting pipe, 84-sewage well, 85-water outlet pipe, 86-regulating storage tank.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Example 1

The utility model relates to a rainwater resource ecological utilization device for realizing regional hydrology virtuous circle as shown in figure 1, which comprises a base 1 and a water body 2 arranged in the base 1, wherein the base 1 is an artificially enclosed base 1, preferably a plain soil structure, and if necessary, an anti-seepage facility is arranged, but other materials are not excluded, the water body 2 is arranged in the base 1, the shape is not limited, a large number of aquatic plants for water quality purification are planted in the water body 2, beneficial microorganisms are inoculated, aquatic animals are put in, a plurality of drainage pipelines 6 for draining water to the water body 2 are arranged around the water body 2, one or more drainage pipelines 6 are communicated with urban drainage pipelines 6, a cutoff well 8 is arranged on the drainage pipeline 6, the cutoff well 8 cuts off and discharges sewage into a modularized wetland 9, the cutoff well 8 cuts off the rainwater or sewage in the initial stage of the city from the pipeline and discharges the rainwater or the sewage after the rainwater is discharged into the modularized wetland 9 for treatment, the construction is swift convenient, the cost is lower, and area is little, realizes carrying out the reposition of redundant personnel of rain and sewage to the mixed flow pipe network of rain and sewage or abandons the class to the initial stage rainwater of rainwater pipe network to job stabilization, the reposition of redundant personnel of rain and sewage is effectual, through the adaptable various different situations of adjustment configuration.

One or more drainage pipelines 6 are communicated with the sponge facility 3, the drainage pipelines 6 are preferably buried underground, the specific quantity is set according to the requirement, water in the sponge facility 3 and the urban drainage pipelines 6 flows into the water body 2 through the drainage pipelines 6, the sponge facility 3 emphasizes that green measures such as grass planting ditches, water seepage bricks, rainwater gardens, sunken greenbelts and the like are preferentially utilized to organize drainage according to the requirement specified in sponge urban construction technical guidelines, the main planning design concept of 'slow drainage slow release' and 'source dispersion' control is adopted, flood is avoided, and rainwater is effectively collected. The water body 2 is also communicated with an integrated pump station 4, the integrated pump station 4 is preferably arranged in a half-buried mode, the integrated pump station 4 is communicated with the water body 2 through a communicating pipe 7 arranged underground, the integrated pump station 4 pumps water in the water body 2 into the sponge facility 3, the integrated pump station 4 is connected to the sponge facility 3 or other external water facilities through the water supply pipe network 5, the utility model not only can utilize the storage capacity of the water body 2, but also can primarily purify the rainwater through the self-purification capacity of the water body 2, after primary purification, the sewage is pumped into the sponge facility 3 for purification through the integrated pump station 4, and the sponge facility 3 or the modularized wetland 9 is utilized to treat surface runoff in rainy days, treat rainwater regulated and stored in the water body 2 in rainy days, and build a good growing environment for plants in the sponge facility 3. Both can irrigate the rainwater after handling and carry out water resource utilization, can vacate the space for the rainwater regulation again, can also alleviate heat island effect through irrigating the regulation climate, alleviate air dust pollution. The system can recover the hydrologic cycle and the water environment quality of the city as soon as possible at a lower manufacturing cost and a higher speed, is simple to operate and manage, and synchronously achieves the regional sponge city and water environment improvement targets.

In a preferred embodiment, as shown in fig. 2, the integrated pump station 4 includes a filtering grid 43 disposed at the end of the communicating pipe 7, the filtering grid 43 is used for primarily filtering the water in the water body 2 to prevent large impurities from entering the pump well 41, the other end of the communicating pipe 7 is communicated with the pump well 41 disposed underground, the pump well 41 can adopt the pump well 41 meeting the requirements in the conventional technology, the pump well 41 is communicated with a filtering device 44 disposed on the ground, the filtering device 44 includes a photocatalyst sterilizer, the photocatalyst sterilizer uses ultraviolet light to excite a photocatalyst material to complete sterilization and removal of part of pollutants, can effectively sterilize and disinfect, the pump well 41 includes a water pump for pumping out the water in the water body 2 through the communicating pipe 7, then sends the water into the filtering device 44 for secondary filtering, and then sends the water out through the water supply pipeline 46 after filtering and disinfecting, the filter device 44 is also connected with a back washing drain pipe 47, a water supply pipeline 46 and a control box 45, the back washing drain pipe 47 is used for back washing the filter device 44, the filter device 44 is prevented from being polluted under the condition of long-term use, the filter device 44 and the control box 45 are both arranged in the protective shell 10, the protective shell 10 is additionally arranged to prevent the filter device 44 from being polluted by the environment and protect the electric appliance in the control box 45 due to the arrangement in the open environment, a liquid level sensor is also arranged in the pump well 41, and the liquid level sensor and the pump well 41 are both connected with the control box 45, the submersible integrated water taking pump station adopts a semi-buried arrangement, is convenient for ground maintenance and integrated arrangement, reduces the field work amount, shortens the engineering period, and has double filtration of a filter grid 43 and the filter device 44, has better filtering effect, and can also timely remind faults through the liquid level sensor, avoid because the damage that the pipeline blockked up and cause, provide a quick convenient, automated control of construction, the lower dive integration water intaking pump station of cost, the little water intaking from natural water 2 of area, the sterile device of filtration, pressurization, disinfecting can realize rapidly, low-cost, low maintenance, the retrieval and utilization of getting water from natural water 2 of high benefit.

In a preferred embodiment, as shown in fig. 3, a water inlet pipe 81 for introducing mixed flow of rain and sewage and a water outlet pipe 85 for discharging water are respectively communicated with two sides of the intercepting well 8, the heights of the bottoms of the water inlet pipe 81 and the water outlet pipe 85 are higher than the height of the bottom of the intercepting well 8, the intercepting well 8 is also communicated with a sewage well 84 through an intercepting pipe 83 or a submersible sewage pump, when the intercepting well 8 and the sewage well 84 are communicated by using the intercepting pipe 83, the bottom of the sewage well 84 is lower than the bottom of the intercepting well 8, sewage in the sewage well 84 is discharged into the modular wetland 9, the intercepting pipe 83 or the submersible sewage pump is specifically adopted to be selected according to needs, and various specific structures can be arranged.

In a preferred embodiment, an anti-backflow device is arranged at the tail end of the water outlet pipe 85, a filter grid 43 is arranged at the starting end of the water outlet pipe 85, an anti-backflow device is arranged at the tail end of the water outlet pipe 85 and is used for preventing water in the water outlet pipe 85 from flowing backwards, a rubber check valve or a flap valve is particularly adopted, but the existing other anti-backflow devices are not excluded, the filter grid 43 is arranged at the starting end of the water outlet pipe 85, the anti-backflow device is mainly used for preventing water from flowing backwards into the water outlet pipe from the water body 2 when the water level in the water body 2 is higher than the water outlet pipe 85, and the filter grid 43 is arranged in the water outlet pipe 85 to prevent sludge or garbage in the water body 2 from blocking the rubber check valve or flap valve and the water pipe, so.

In a preferred embodiment, the intercepting well 8 is communicated with a regulation and storage tank 86, the regulation and storage tank 86 is used for temporarily storing deposited sludge of the mixed flow pipe network flushed by rainwater and initial rainwater, the deposited sludge and the initial rainwater are discharged by a sewage pump after the rainwater is rain, the regulation and storage tank 86 is set according to the local rainfall, and if the drainage amount of the intercepting well 8 is enough, the regulation and storage tank 86 is not required to be set.

In a preferred embodiment, as shown in fig. 4, the filter grill 43 includes a grill casing 14 having one side opened and a guide rail 13 of a U-shaped channel provided at the opened side of the grill casing 14, an L-shaped stainless steel pull basket 12 is movably fixed on the guide rail 13, a stainless steel mesh is arranged in the stainless steel pull basket 12, a lifting ring 16 is arranged on one side of the stainless steel pull basket 12, a communication interface 15 is also arranged on the grating shell 14, the filter grille 43 can be arranged in the intercepting well 8 or the integrated pump station 4, can be respectively connected with the water outlet pipe 85 and the communicating pipe 7, since the filtering grill 43 is used for preliminary filtering, a lot of sludge and various domestic garbage can be filtered, the filtering grill 43 is often blocked, therefore, the stainless steel pull basket 12 which can be drawn out is arranged, and the stainless steel pull basket 12 can be drawn out to be conveniently cleaned after the filtering grid 43 is blocked.

In a preferred embodiment, pressure gauges are disposed on both the water inlet side and the water outlet side of the filtering device 44, and the back flushing is performed according to the pressure difference or the filtering time of the pressure gauges, and the filtering device 44 adopts an integrated stainless steel mesh filter or a disc filter, and the filtering precision of the filtering device is selected according to actual needs.

In a preferred embodiment, the communicating pipe 7 is further provided with a valve 42, the valve 42 is arranged in a valve 42 well, the communicating pipe 7 can be closed through the valve 42 during maintenance, and the shell of the valve 42 well is made of precast concrete, glass fiber reinforced plastic or plastics, and is selected according to needs and cost.

In a preferred embodiment, the sponge facility 3 is a rain garden, a bioretention pond or an artificial wetland, and the above is a preferred embodiment of the sponge facility 3, which is a sponge facility 3 conventional in the art.

In the preferred embodiment, as shown in fig. 5, the water distributor 33 is uniformly arranged above the modular wetland 9, the lower side in the modular wetland 9 is provided with the porous water collecting pipe 35, the porous water collecting pipe 35 discharges the water in the modular wetland 9 into the water collecting well 36 on one side, the water collecting well 36 is also communicated with the outflow pipe 38, the utility model discloses an above-mentioned setting construction is more swift, and control is simple and convenient, and convenient operation management to the treatment effect is good.

In a preferred embodiment, each modular wetland 9 is provided with a water supply port, a water discharge port and a water inlet port, every two modular wetlands 9 are interlocked, and when the modular wetlands 9 are connected, the modular wetlands 9 are sequentially connected in a socket way through the water inlet port and the water discharge port, so that water level balance among the modular wetlands 9 is realized, and the water supply ports are connected in parallel through water supply pipes.

In a preferred embodiment, the modular wetland 9 is composed of wetland plants, a melon seed crushed stone layer, a packing layer and a gravel bearing layer from top to bottom, and sewage is treated by the above layering respectively, so that the effect is better.

In a preferred embodiment, the thickness of the crushed melon seed pieces in the modular wetland 9 is 200mm, the thickness of the packing layer is 800mm, the thickness of the gravel bearing layer is 200mm and 300mm, and the particle size in the gravel bearing layer is 30mm to 50mm, which are preferred values in this embodiment, but not limited thereto, and values in other ranges can be selected as required.

In a preferred embodiment, each size of the modular wetland 9 is 1m × 1m, which is a preferred value, and other values can be selected according to needs, or the modular wetland 9 is provided in a rectangular or polygonal shape, and the housing of the modular wetland 9 is made of glass fiber reinforced plastic, plastic or concrete, which can be selected according to needs.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a realize rainwater resourceization ecological utilization device of regional hydrology virtuous circle, its characterized in that, including the base and set up the water in the base, be provided with a plurality of drainage pipes to the water drainage around the water, one or more drainage pipe and urban drainage pipe intercommunication, and be provided with the vatch basin on this drainage pipe, the vatch basin dams sewage and dams the drainage of discharging into the modularization wetland, one or more drainage pipe and sponge facility intercommunication, water in sponge facility and the urban drainage pipe passes through in the drainage pipe inflow water, the water still communicates there is the integration pump station, the integration pump station is through setting up in the communicating pipe and water intercommunication in the underground, the water suction of integration pump station in with the water body is in sponge facility or the water supply pipe network.

2. The rainwater recycling ecological utilization device of claim 1, wherein the integrated pump station comprises a filtering grid arranged at the tail end of the communicating pipe, the other end of the communicating pipe is communicated with a pump well arranged underground, the pump well is communicated with a filtering device arranged on the ground, the filtering device comprises a photocatalyst sterilizer, the filtering device is further connected with a backwashing drain pipe, a water supply pipeline and a control box, the filtering device and the control box are both arranged in a protective shell, a liquid level sensor is further arranged in the pump well, and the liquid level sensor and the pump well are both connected with the control box.

3. The rainwater resource ecological utilization device according to claim 1, wherein a water inlet pipe for introducing rainwater and sewage mixed flow and a water outlet pipe for draining are respectively communicated with two sides of the intercepting well, the heights of the bottoms of the water inlet pipe and the water outlet pipe are higher than the height of the bottom of the intercepting well, the intercepting well is also communicated with a sewage well through an intercepting pipe or a submersible sewage pump, when the intercepting well and the sewage well are communicated by using the intercepting pipe, the bottom of the sewage well is lower than the bottom of the intercepting well, and sewage in the sewage well is drained into the modular wetland.

4. A rainwater recycling ecological utilization device as claimed in claim 3, wherein the tail end of the water outlet pipe is provided with an anti-backflow device, and the starting end of the water outlet pipe is provided with a filtering grid.

5. The rainwater recycling ecological utilization device of claim 2 or 4, wherein the filtering grid comprises a grid shell with an opening at one side and a U-shaped channel steel-shaped guide rail arranged at one side of the opening of the grid shell, an L-shaped stainless steel pull basket is movably fixed on the guide rail, a pull bracelet is arranged at one side of the stainless steel pull basket, and a communication interface is further arranged on the grid shell.

6. The rainwater recycling ecological utilization device of claim 2, wherein the water inlet side and the water outlet side of the filtering device are provided with pressure gauges, and the communicating pipe is further provided with a valve which is arranged in a valve well.

7. The rainwater resource ecological utilization device according to claim 1, wherein the sponge facility is a rainwater garden, a bioretention pond or an artificial wetland.

8. The rainwater recycling ecological utilization device of claim 1, wherein water distribution pipes are uniformly arranged above the modular wetland, porous water collection pipes are arranged at the inner lower side of the modular wetland, the porous water collection pipes discharge water in the modular wetland into a water collection well at one side, and the water collection well is communicated with a flow outlet pipe.

9. The rainwater resource ecological utilization device as claimed in claim 8, wherein each modular wetland is provided with a water supply port, a water discharge port and a water inlet port, every two modular wetlands are interlocked with each other, when the modular wetlands are connected with each other, the modular wetlands are sequentially connected in a socket way through the water inlet port and the water discharge port, and the water supply ports are connected in parallel through a water supply pipe.

10. The rainwater resource ecological utilization device as claimed in claim 9, wherein the modular wetland comprises wetland plants, a melon seed gravel layer, a packing layer and a gravel bearing layer from top to bottom.