CN215211452U

CN215211452U - Sponge urban rainwater regulation and storage structure

Info

Publication number: CN215211452U
Application number: CN202121769943.2U
Authority: CN
Inventors: 盛铭; 金璐娴; 方祝红; 沈亚琴
Original assignee: Hangzhou Wuzhou Municipal Landscape Engineering Co ltd
Current assignee: Hangzhou Wuzhou Municipal Landscape Engineering Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-17
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a sponge city rainwater regulation structure relates to drainage technical field. It includes the rainwater well, the overflow pipe, the blow off pipe, the cistern connecting pipe, the rainwater well is the cavity structure of stone masonry, the intracavity of rainwater well is equipped with the filter layer that the stone masonry made up futilely, form the retaining transition chamber between the lateral wall of filter layer and rainwater well, cistern connecting pipe and retaining transition chamber intercommunication, the overflow pipe is located cistern connecting pipe top and communicates in the cavity of rainwater well, the blow off pipe communicates with the end of rainwater well, be equipped with rotatable apron in the cavity of rainwater well, the apron is located the top of blow off pipe, the below of cistern connecting pipe. The utility model overcomes among the prior art rainwater on the road is only singly drainage to collecting pit, increases the defect of collecting pit purification treatment's pressure, the utility model discloses beneficial effect does: rainwater well collection, purification, regulation and storage are integrative to alleviate collecting pit purification treatment's pressure, let the cistern can exert bigger regulation and storage effect, improve rainwater utilization ratio.

Description

Sponge urban rainwater regulation and storage structure

Technical Field

The utility model belongs to the technical field of the relevant technique of drainage and specifically relates to indicate a regulation structure of sponge city rainwater.

Background

The sponge city refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like. The regulation refers to temporarily storing the peak flow of the rainwater runoff in a regulation pool during raining, discharging water in the regulation pool after the maximum flow is reduced, and releasing the stored water to realize the free migration of rainwater in the city. After rainwater falls to the road surface, runoff is generated on the ground, and the initial stage road rainwater runoff enters a pipeline connected with the collecting tank and then enters the collecting tank, is discharged and released after treatment. The initial road rainwater collection is to collect rainwater on the sides of the pedestrian road. At present, rainwater on the sidewalk side is only singly drained to a collecting tank, the collecting tank is used for regulating, purifying the rainwater, the pressure of the collecting tank for purification treatment is increased, and the existing municipal rainwater pipeline cannot be fully utilized, so that waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome among the prior art and only singly drain to collecting pit to the rainwater on sidewalk limit, increase the defect of collecting pit purification treatment's pressure, provide an initial stage rainwater on collection sidewalk limit and collect, purify, adjust integrative sponge city rainwater regulation structure, alleviate collecting pit purification treatment's pressure, make full use of has the municipal rainwater pipe to the peak flow reposition of flow of rainwater runoff, reach and improve rainwater utilization ratio, the purpose of the drainage rate of road when improving raining.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a sponge city rainwater regulation structure, it includes rainwater well, overflow pipe, blow off pipe, cistern connecting pipe, rainwater well is the cavity structure of stone is laid for the thick liquid, rainwater well's intracavity is equipped with the filter layer that stone constitutes futilely, form the retaining transition chamber between the lateral wall of filter layer and rainwater well, cistern connecting pipe and retaining transition chamber intercommunication, the overflow pipe be located cistern connecting pipe top and with rainwater well's cavity intercommunication, blow off pipe and rainwater well's end intercommunication, be equipped with rotatable apron in rainwater well's the cavity, the apron is located the top of blow off pipe, the below of cistern connecting pipe.

The catch basin is arranged beside the sidewalk. The overflow pipe is communicated with a municipal rainwater pipe. The blow off pipe is communicated with a municipal sewage pipe. The reservoir connecting pipe is communicated with the sponge urban rainwater reservoir. The filter layer is made of dry masonry, and can permeate water and prevent sundries from permeating. In rainy days, rainwater runoff on roads enters a rainwater well, enters a water storage transition cavity through a filter layer, and flows into a sponge city rainwater reservoir through a reservoir connecting pipe, so that the rainwater storage device can be used. The pressure of the concentrated purified water of the water storage tank is reduced, the volume of the water storage tank is increased, the water storage tank can play a larger role in regulation and storage, and the utilization rate of rainwater is improved. If the rainwater flow is too large, the water level of the rainwater well rises to exceed the opening of the overflow pipe, and rainwater enters the overflow pipe and flows into the municipal rainwater pipe network for distribution. Make full use of municipal rainwater pipe network, resources are saved. The filth that the filter layer blocked falls on the apron, and the apron rotates, can send the filth into municipal sewage pipe, has both utilized municipal sewage pipe network, has clear away the filth again, guarantees that the rainwater well drainage is effective, and the drainage of road is unblocked when raining.

Preferably, the two end surfaces corresponding to the cover plate are respectively connected with a rotating shaft, the rotating shaft is connected with a gear, the gear is connected with a rack, the rainwater well is provided with a guy cable and a rotating wheel, the rotating wheel is positioned at the upper part of the rainwater well, two ends of the guy cable are respectively fixed with the two end surfaces of the rack, and the guy cable is wound and connected with the rotating wheel. The cover plate covers the whole rain well bottom. The cover plate is divided into a plurality of cover plates, and two ends of each cover plate are respectively connected with a rotating shaft. The axes of the two rotating shafts are overlapped. The gear and the rotating shaft are coaxially fixed. The stay cable is wound on the rotating wheel for at least one circle. The rotating wheel rotates, the inhaul cable on one side is wound around the side face of the rotating wheel, the inhaul cable on the other side exits around the side face of the rotating wheel, and the inhaul cable pulls the rack to move. The teeth of the rack are meshed with the teeth of the gear, the gear rotates, the cover plate rotates by taking the central axis of the rotating shaft as an axis, dirt covered on the cover plate falls into the bottom of the rainwater well, and the dirt enters a municipal sewage pipe network through the sewage discharge pipe under the scouring of a small amount of accumulated water at the bottom of the rainwater well. The dirt is convenient to remove, and the labor intensity of maintenance is reduced.

Preferably, the catch basin is provided with a handle, the handle is T-shaped, the lower end of the handle is fixed with the upper surface of the rotating wheel, and the upper end of the handle is suspended in the air. The T-shaped handle is convenient to hold and rotate, simple to operate, and convenient to maintain and use.

Preferably, a rainwater grate is arranged at the upper end of the rainwater well. The large-area objects such as leaves are filtered, and the water filtering effect of the filter layer is improved.

Preferably, the catch basin is provided with a storage hanging basket which is positioned below the rain grate and above the overflow pipe. The sewage passing through the rainwater grate is further intercepted, so that the water filtering effect of the filtering layer is better.

Preferably, the bottom of the catch basin is of a bucket-shaped structure with a low middle part and high periphery, and the sewage discharge pipe is communicated with the lowest part of the bottom of the catch basin. The sewage can conveniently enter the sewage pipe network, and the sewage is more convenient to discharge.

The utility model has the advantages that: rainwater well collection, purification, regulation and storage are integrative to alleviate collecting pit purification treatment's pressure, let the cistern can exert bigger regulation and storage effect, improve rainwater utilization ratio. The existing municipal rainwater pipe network and sewage pipe network are used for overflowing and sewage discharge, so that smooth drainage of the rainwater well is ensured, the existing resources are fully utilized, and the rainwater well drainage system is suitable for old city reconstruction and wide in application range. Convenient maintenance and use and low labor intensity.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a view taken along the line B in FIG. 1;

fig. 4 is a cross-sectional view of the cover plate of the present invention when rotating.

In the figure:

a catch basin 1; a rain grate 2; a storage hanging basket 3; an overflow pipe 4; a water storage transition cavity 5; a filter layer 6; a cover plate 7; a touch display screen 8; a blow-off pipe 9; a reservoir connection pipe 10; a rack 11; a rotating shaft 12; a gear 13; a stay cable 14; a runner 15; a handle 16.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

Example 1:

as shown in fig. 1, a sponge urban rainwater storage structure comprises a rainwater well 1, an overflow pipe 4, a blow-off pipe 9 and a reservoir connecting pipe 10. The catch basin 1 is arranged under the pavement beside the sidewalk. The catch basin 1 is a cavity structure with an opening at the upper end. The catch basin 1 is a sealed cavity formed by masonry stones. The cavity of the catch basin 1 is provided with a filter layer 6. The filter layer 6 is made of dry masonry and can permeate water. The filter layer 6 is parallel to the sidewall of the catch basin 1. An over-storage water transition cavity 5 is formed between the filter layer 6 and the side wall of the rainwater well 1. One end of the reservoir connecting pipe 10 is communicated with the water storage transition cavity 5. The other end of the reservoir connection pipe 10 is communicated with a sponge city rainwater reservoir (not shown). The connecting port of the impounding reservoir connecting pipe 10 and the impounding transition cavity 5 is positioned at the bottom of the impounding transition cavity 5 close to the rainwater well 1. The overflow pipe 4 is located above the reservoir connection pipe 10. One end of the overflow pipe 4 is communicated with the cavity of the catch basin 1. The connection port of the overflow pipe 4 and the catch basin 1 is close to the opening of the catch basin 1. The other end of the overflow pipe 4 is communicated with a municipal rainwater pipe. The blow-off pipe 9 is communicated with the bottom of the catch basin 1. The bottom of the catch basin 1 is of a bucket-shaped structure with a low middle part and high periphery. One end of the sewage discharge pipe 9 is communicated with the lowest part of the bottom of the catch basin 1. The other end of the blow-off pipe 9 is communicated with a municipal sewage pipe. The upper end of the catch basin 1 is provided with a rain grate 2. The rainwater grate 2 covers the opening of the rainwater well 1. The upper surface of the rain grate 2 is flush with the road surface. The catch basin 1 is provided with a receiving hanging basket 3. The accommodating hanging basket 3 is a woven basket or a bag which is permeable to water and is not easy to rot. The object-receiving hanging basket 3 is positioned below the rainwater grate 2 and above the overflow pipe 4. The article-holding hanging basket 3 is arranged in a cavity surrounded by the filter layer 6. A rotatable cover plate 7 is arranged in the cavity of the catch basin 1. The cover plate 7 is positioned above the sewage draining pipe 9 and below the water storage tank connecting pipe 10.

As shown in fig. 2, the cover plate 7 covers the entire bottom of the gully 1. The cover plate 7 is divided into several strips. Two corresponding end surfaces of the cover plate 7 are respectively connected with a rotating shaft 12. Two ends of each cover plate 7 are respectively connected with a rotating shaft 12. The axes of the two shafts 12 coincide. The shaft 12 is connected with a gear 13. The gear 13 is connected with a rack 11. The gear 13 is fixed coaxially with the rotary shaft 12. Both shafts 12 may be connected to a gear 13. The present embodiment is described by taking a rotating shaft 12 connected with a gear 13 as an example. The rotation shafts 12 are rotatably connected to a pair of side walls of the lower portion of the rainwater well 1 near the bottom of the rainwater well 1, respectively. The side wall of one of the catch basins 1 is provided with a cavity in which the shaft 12 is fixed with the gear 13. The rack 11 is located below the gear 13. The teeth of the rack 11 mesh with the teeth of the gear 13.

As shown in fig. 1 and 3, the catch basin 1 is provided with a guy cable 14, a turning wheel 15 and a handle 16. The runner 15 is located at the upper portion of the catch basin 1. Both ends of the stay 14 are fixed to both end surfaces of the rack 11, respectively. The cable 14 is wound and connected with the rotating wheel 15. The middle part of the guy cable 14 is wound with the rotating wheel 15 at least one circle at the upper part of the catch basin 1, and one end of the guy cable 14 extends to the lower part of the catch basin 1 and is fixed with one end surface of the rack 11. The other end of the stay cable 14 extends to the lower part of the catch basin 1 and is fixed with the other end face of the rack 11. The handle 16 is T-shaped. The lower end of the handle 16 is fixed to the upper surface of the runner 15. The upper end of the handle 16 is suspended.

As shown in figure 1, in rainy days, rainwater runoff on a road enters a rainwater well 1 through a rainwater grate 2, and large-area objects such as leaves are blocked outside the rainwater well 1. The rainwater runoff keeps off the sewage brought in by the rainwater grate 2 in the object accommodating hanging basket 3 through the object accommodating hanging basket 3. The rainwater runoff is blocked in the filtering layer 6 cavity through the filth brought by the object-receiving hanging basket 3 through the filtering layer 6, and the filtered rainwater flows into the water storage transition cavity 5 through the filtering layer 6. Filtered rainwater gathered by the water storage transition cavity 5 flows into the sponge city rainwater reservoir through the reservoir connecting pipe 10. Rainwater flowing into the reservoir can be used without further treatment. If the flow of rainwater runoff is too big, the water level of rainwater well 1 rises, exceeds the height of overflow pipe 4 and rainwater well 1's connector, and the rainwater gets into overflow pipe 4 and flows into municipal rainwater pipe network reposition of redundant personnel.

As shown in fig. 2, 3 and 4, in use, dirt caught by the filter layer 6 in the gully 1 falls onto the cover plate 7. When the rainwater grate 2 is opened during maintenance, the handle 16 is rotated, the pull cable 14 is wound on one side of the rotating wheel 15, the pull cable 14 is wound on the side face of the rotating wheel 15, the other side of the pull cable is withdrawn around the side face of the rotating wheel 15, and the pull cable 14 pulls the rack 11 to move. The rack 11 drives the gear 13 to rotate, the rotating shaft 12 rotates, the cover plate 7 rotates by taking the central axis of the rotating shaft 12 as an axis, and dirt covered on the cover plate 7 falls into the bottom of the rainwater well 1. A small amount of accumulated water is arranged at the bottom of the catch basin 1 and erodes the dirt on the cover plate 7, and meanwhile, the dirt at the bottom of the catch basin 1 enters the municipal sewage pipe network through the sewage discharge pipe 9. After dirt is cleaned, the handle 16 is rotated reversely, so that the cover plate 7 is reset, the rain grate 2 is covered, and maintenance is completed.

Claims

1. A sponge urban rainwater regulation and storage structure comprises a rainwater well (1), an overflow pipe (4), a blow-off pipe (9) and a reservoir connecting pipe (10), it is characterized in that the catch basin (1) is of a cavity structure of masonry stone, a filter layer (6) made of dry masonry stone is arranged in the cavity of the catch basin (1), a water storage transition cavity (5) is formed between the filter layer (6) and the side wall of the rainwater well (1), the impounding reservoir connecting pipe (10) is communicated with the impounding transition cavity (5), the overflow pipe (4) is positioned above the impounding reservoir connecting pipe (10) and is communicated with the cavity of the rainwater well (1), the sewage discharge pipe (9) is communicated with the bottom of the rainwater well (1), a rotatable cover plate (7) is arranged in the cavity of the rainwater well (1), the cover plate (7) is positioned above the sewage discharge pipe (9) and below the water storage tank connecting pipe (10).

2. A sponge urban rainwater regulation structure according to claim 1, characterized in that the corresponding two end faces of the cover plate (7) are respectively connected with a rotating shaft (12), the rotating shaft (12) is connected with a gear (13), the gear (13) is connected with a rack (11), the rainwater well (1) is provided with a guy cable (14) and a rotating wheel (15), the rotating wheel (15) is positioned on the upper part of the rainwater well (1), the two ends of the guy cable (14) are respectively fixed with the two end faces of the rack (11), and the guy cable (14) is wound and connected with the rotating wheel (15).

3. A rainwater storage structure in a sponge city according to claim 2, characterized in that the rainwater well (1) is provided with a handle (16), the handle (16) is T-shaped, the lower end of the handle (16) is fixed with the upper surface of the runner (15), and the upper end of the handle (16) is suspended.

4. A rainwater regulation structure in a sponge city according to claim 1, characterized in that the rainwater grate (2) is arranged at the upper end of the rainwater well (1).

5. A sponge urban rainwater storage structure according to claim 4, characterized in that the rainwater well (1) is provided with a receiving basket (3), and the basket (3) is located below the rainwater grate (2) and above the overflow pipe (4).

6. The urban sponge rainwater storage structure according to claim 1, characterized in that the bottom of the rainwater well (1) is of a bucket-shaped structure with a low middle part and high periphery, and the sewage discharge pipe (9) is communicated with the lowest part of the bottom of the rainwater well (1).