CN216108857U - Site rainwater peak shifting discharge and excess overflow system - Google Patents

Abstract

The utility model provides a site rainwater off-peak discharge and excess overflow system, which comprises inspection wells capable of settling and storing water, wherein each inspection well is provided with a water inlet head capable of settling and storing water, the water inlet head is communicated with the inspection wells through a first rainwater pipe, after adjacent inspection wells are connected in series through second rainwater pipes, the adjacent inspection wells are communicated to a regulation and storage tank for storing and treating rainwater through the second rainwater pipes, the regulation and storage tank comprises a sedimentation tank, a filtering tank and a water storage tank which are sequentially arranged, the sedimentation tank is communicated with the second rainwater pipes, a grid is arranged at the water inlet end of the sedimentation tank, the sedimentation tank is separated from the filtering tank through a partition plate, a row of leakage holes are formed in the top of the partition plate, a treatment module is arranged in the water storage tank, the water outlet end of the treatment module is communicated with a reuse water pipe network, an overflow pipe is communicated with the top of the side wall of the water storage tank, and is communicated with a municipal rainwater pipe network through the overflow pipe. Can deposit, filter the back storage to the rainwater of collecting, discharge to return water pipe network again after handling during the storage, alleviate municipal administration rainwater pipe network's discharge pressure.

Description

Site rainwater peak shifting discharge and excess overflow system

Technical Field

The utility model relates to the technical field of rainwater control and utilization, in particular to a site rainwater off-peak discharge and excess overflow system.

Background

The underground drainage method of the traditional site is that a drainage layer and a drainage pipeline are installed underground, and the drainage layer and the drainage pipeline are communicated with a municipal rainwater pipe network for drainage. However, the drainage is only realized through the gravity of rainwater, when rainstorm or continuous rainfall occurs, the drainage capacity of the municipal rainwater pipe network is limited, the drainage efficiency of the field is still affected, rainwater cannot be quickly drained, particularly, in a larger field similar to a stadium, accumulated water needs to be drained in time, if the accumulated water in a certain area is not drained, a sporting event is carried out, and the safety and fairness of the sporting event can also be affected. In addition, under the condition of heavy rain or continuous rainfall, sundries such as garbage, leaves, soil bricks and the like are easy to be flushed into the drainage pipeline, so that blockage is caused, and the subsequent maintenance is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a site rainwater off-peak discharge and excess overflow system which can store and treat collected rainwater and then discharge the rainwater, so that the discharge pressure of a municipal rainwater pipe network is reduced.

In order to achieve the purpose, the utility model provides a site rainwater off-peak discharge and excess overflow system, which comprises inspection wells capable of settling and storing water, wherein each inspection well is provided with a water inlet head capable of settling and storing water, the water inlet head is communicated with the inspection wells through a first rainwater pipe, after adjacent inspection wells are connected in series through second rainwater pipes, the adjacent inspection wells are communicated with a regulation and storage tank for storing and treating rainwater through second rainwater pipes, the regulation and storage tank comprises a sedimentation tank, a filtering tank and a water storage tank which are sequentially arranged, the sedimentation tank is communicated with the second rainwater pipes, a grid is arranged at the water inlet end of the sedimentation tank, the sedimentation tank is separated from the filtering tank through a partition plate, a row of leakage holes are formed in the top of the partition plate, a treatment module is arranged in the water storage tank, the water outlet end of the treatment module is communicated with a return water pipe network, and overflow pipes are communicated with the top of the side walls of the water storage tank, and is communicated with the municipal rainwater pipe network through an overflow pipe for discharging rainwater exceeding the reuse water amount to the municipal rainwater pipe network.

Rainwater runoff in the field is collected through the water inlet head, is settled through the water inlet head and is stored to be intercepted at the initial stage, and then is conveyed to the inspection well through the first rainwater pipe. And the wastewater is subjected to secondary sedimentation and storage through an inspection well and is conveyed to a storage regulation pool through a second rainwater pipe. Rainwater gets into after the regulation pond through deposiing, filtering, temporary storage and water treatment in proper order, directly discharges to the reuse water pipe network after accomplishing water treatment, alleviates municipal administration rainwater pipe network's discharge pressure.

In the scheme, the method comprises the following steps: the upper opening of the water inlet head is arranged, the top of the water inlet head is provided with a grate, the first rainwater pipe is connected to the side wall of the water inlet head, and a certain distance is reserved between the first rainwater pipe and the bottom of the water inlet head, so that a first cavity for settling and storing water is formed at the bottom of the water inlet head. Larger impurities can be blocked by the grate, and the first-step filtration is carried out; the cavity that sets up can subside silt, stone etc. avoids blockking up the pipeline.

In the scheme, the method comprises the following steps: the interval between the first rainwater pipe and the bottom of the water inlet head is more than or equal to 300mm, and the sedimentation space is guaranteed.

In the scheme, the method comprises the following steps: the pipe wall of the first rainwater pipe and the pipe wall of the second rainwater pipe are provided with seepage holes, so that the rainwater can be conveyed to the runoff effect of the foundation of the first rainwater pipe and the second rainwater pipe, and meanwhile, the rainwater can be used as the effective volume of the regulated rainwater to play a role and enhance the downward seepage of the runoff, underground water is supplemented, and the dual-purpose of rainwater control and utilization is achieved.

In the scheme, the method comprises the following steps: the opening rate of the seepage hole is 1%.

In the scheme, the method comprises the following steps: the top of inspection shaft is equipped with the well lid, a section distance is left with the bottom of inspection shaft to the second downspout for form the second cavity that is used for subsiding, water storage bottom the inspection shaft. The cavity that sets up can carry out the secondary and subside, further improves the settlement ability of system, further avoids blockking up the pipeline.

In the scheme, the method comprises the following steps: the distance between the second rainwater pipe and the bottom of the inspection well is larger than 500mm and smaller than 800 mm.

In the scheme, the method comprises the following steps: the installation height of the overflow pipe is flush with that of the first rainwater pipe. When special rainstorm comes, the part of the rainwater runoff exceeding the regulation volume of the system is discharged to the urban rainwater pipe network through the overflow pipe, and meanwhile, the possibility of backflow can not occur.

In the scheme, the method comprises the following steps: the sedimentation tank bottom can be dismantled and be provided with and sink husky fill, can in time discharge through the sediment fill that can dismantle the setting and sink husky fill debris, ensure sedimentation tank's precipitation efficiency.

In the scheme, the method comprises the following steps: the treatment module includes disinfecting equipment and quality of water lifting means, can carry out disinfection processing and quality of water lifting treatment, and the guarantee accords with the quality of water demand of reuse water.

The utility model has the beneficial effects that: can reduce partly municipal rainwater pipeline drainage pressure through some rainwater of tank storage. Meanwhile, water in the water storage tank is discharged into a reuse water pipe network after being treated by the treatment module, so that rainwater in the site can be effectively regulated and controlled and utilized, and the resource utilization of the rainwater is maximized. The water pipe network is selected to flow to the reuse water pipe network, and the water pipe network is not selected to flow to the municipal rainwater pipe network, so that the load of the municipal rainwater drainage pipe network can be obviously reduced, and the urban waterlogging risk is effectively reduced. The rainwater can be settled, precipitated and filtered for many times in the collecting process, and the water quality treatment is carried out through the treatment module after the rainwater reaches the water storage tank, so that the configuration power of the water quality treatment equipment can be effectively reduced, and the energy-saving aim is achieved. The rainwater that flows in can carry out the secondary through head, the inspection shaft of intaking and subside stone or silt etc. avoids the pipe blockage, and the guarantee system normally works.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic diagram of the structure of a storage tank of the present invention;

FIG. 3 is a schematic structural view of the water inlet head of the present invention;

fig. 4 is a schematic structural view of a second storm drain of the present invention;

fig. 5 is a schematic view of the structure of the inspection well of the present invention.

Detailed Description

As shown in fig. 1-5, the site rainwater off-peak discharge and excess overflow system comprises two inspection wells 4 and four water inlet heads 1 which are arranged near the edges of two sides of a road in the site, and the inspection wells 4 and the water inlet heads 1 can both settle and store water. All the water inlet heads 1 are communicated with the inspection well 4 through the first rainwater pipes 2 and are uniformly distributed.

Wherein, the upper opening of the water inlet head 1 is arranged, the top of the water inlet head is provided with a grate 7, and the grate 7 blocks larger sundries such as garbage bags, leaves and the like, thereby avoiding the blockage of the water inlet head 1. First downspout 2 is connected on the lateral wall of the head 1 of intaking, and first downspout 2 leaves certain distance with the head 1 bottom of intaking for form the first cavity 8 that is used for realizing subsiding, water storage function bottom the head 1 of intaking. Further, it is preferable that the distance between the first rain water pipe 2 and the bottom of the water inlet head 1 is not less than 300 mm.

The top of inspection shaft 4 is equipped with well lid 9, and second downspout 3 leaves a section distance with the bottom of inspection shaft 4 for form the second cavity 10 that is used for realizing subsiding, water storage function in inspection shaft 4 bottom. The distance between the second rainwater pipe 3 and the bottom of the inspection well 4 is more than 500mm and less than 800 mm.

Preferably, the walls of the first and second storm drains 2, 3 are provided with weep holes 11. Reinforcing ribs which are spirally distributed are further arranged on the outer surfaces of the first rain pipe 2 and the second rain pipe 3. Wherein, the aperture ratio of seepage hole 11 is 1%, and the trompil diameter is 10mm, can also play a role as the effective volume of regulation rainwater and strengthen the infiltration downwards of runoff when first downspout 2 and second downspout 3 play the transport runoff effect of basis, replenish groundwater, reach the dual-purpose of rainwater control and utilization.

After two inspection wells 4 are connected in series through second downspout 3, the regulation pond 5 is communicated to the underground through second downspout 3, and the regulation pond 5 is used for storing and treating rainwater.

The regulating and storing tank 5 comprises a sedimentation tank 13, a filtering tank 14 and a water storage tank 15 which are arranged in sequence. The sedimentation tank 13 is communicated with the second rainwater pipe 3, and a grid 12 is arranged at the water inlet end of the sedimentation tank 13. The sedimentation tank 13 and the filtering tank 14 are separated by a partition plate, and a row of leakage holes 13b are formed in the top of the partition plate. The bottom of the sedimentation tank 13 is detachably provided with a sand settling hopper 13 a. A processing module 16 is arranged in the water storage tank 15, and the water outlet end of the processing module 16 is communicated with a reuse water pipe network. Wherein, the processing module 16 includes disinfecting equipment and water quality improving equipment, can carry out disinfection treatment and water quality improving treatment to the rainwater in the tank 15 through the processing module 16, and then carry to the retrieval and utilization water pipe network through the play water end of the processing module 16.

In order to ensure that the water cannot be drained normally when the rainstorm comes, the water storage tank 15 is fully loaded, and preferably, the side wall of the water storage tank 15 is communicated with the overflow pipe 6 near the top and is communicated with the municipal rainwater pipe network through the overflow pipe 6. Preferably, the system also comprises a movable drainage pump, and when special conditions rain or rainwater needs to be discharged in a staggered mode, the rainwater with the water amount exceeding the reuse water amount and discharged by the processing module 16 is discharged to a town rainwater pipe network in a staggered mode through the overflow drainage pipe 6 in cooperation with the movable drainage pump, so that the aims of reducing town drainage pressure and lowering waterlogging harm are achieved. The rainwater runoff exceeds the part of the system regulation volume and can be discharged to the urban rainwater pipe network through the overflow pipe 6. Preferably, the overflow pipe 6 is installed at a height level with the first rain pipe 2, thereby preventing rainwater from flowing backward.

Claims (10)

1. The utility model provides a place rainwater is peak-shifting to be discharged and excess overflow system which characterized in that: the device comprises inspection wells (4) capable of settling and storing water, wherein each inspection well (4) is provided with a water inlet head (1) capable of settling and storing water, the water inlet heads (1) are communicated with the inspection wells (4) through first rainwater pipes (2), after adjacent inspection wells (4) are connected in series through second rainwater pipes (3), the adjacent inspection wells are communicated with a regulation and storage tank (5) used for storing and treating rainwater through the second rainwater pipes (3), the regulation and storage tank (5) comprises a sedimentation tank (13), a filtering tank (14) and a water storage tank (15) which are sequentially arranged, the sedimentation tank (13) is communicated with the second rainwater pipes (3), a grid (12) is arranged at the water inlet end of the sedimentation tank (13), the sedimentation tank (13) is separated from the filtering tank (14) through a partition plate, a row of leakage holes (13b) are formed in the top of the partition plate, and a treatment module (16) is arranged in the water storage tank (15), the water outlet end of the processing module (16) is communicated with a recycling water pipe network, the side wall of the water storage pool (15) is communicated with an overflow pipe (6) by the top, and is communicated with a municipal rainwater pipe network through the overflow pipe (6) for draining rainwater exceeding recycling water amount to the municipal rainwater pipe network.

2. The site rainwater off-peak discharge and excess overflow system of claim 1, wherein: the water inlet head (1) is arranged by adopting an upper opening, the top of the water inlet head is provided with a grate (7), the first rainwater pipe (2) is connected to the side wall of the water inlet head (1), and a certain distance is reserved between the first rainwater pipe (2) and the bottom of the water inlet head (1), so that a first cavity (8) for sedimentation and water storage is formed at the bottom of the water inlet head (1).

3. The site rainwater off-peak discharge and excess overflow system of claim 2, wherein: the distance between the first rain pipe (2) and the bottom of the water inlet head (1) is more than or equal to 300 mm.

4. The site rainwater off-peak discharge and excess overflow system of claim 1, wherein: and seepage holes (11) are formed in the pipe walls of the first rainwater pipe (2) and the second rainwater pipe (3).

5. The site rainwater off-peak discharge and excess overflow system of claim 4, wherein: the opening rate of the seepage holes (11) is 1%.

6. The site rainwater off-peak discharge and excess overflow system of claim 1, wherein: the top of inspection shaft (4) is equipped with well lid (9), a certain distance is left with the bottom of inspection shaft (4) in second downspout (3) for form second cavity (10) that are used for subsiding, water storage bottom inspection shaft (4).

7. The site rainwater off-peak discharge and excess overflow system of claim 6, wherein: the distance between the second rainwater pipe (3) and the bottom of the inspection well (4) is larger than 500mm and smaller than 800 mm.

8. The site rainwater off-peak discharge and excess overflow system of claim 1, wherein: the installation height of the overflow pipe (6) is flush with that of the first rainwater pipe (2).

9. The site rainwater off-peak discharge and excess overflow system of claim 1, wherein: the bottom of the sedimentation tank (13) is detachably provided with a sand settling hopper (13 a).

10. The site rainwater off-peak discharge and excess overflow system of claim 1, wherein: the treatment module (16) comprises a disinfection device and a water quality improving device.

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