CN219060280U

CN219060280U - Sponge city outlet transformation structure

Info

Publication number: CN219060280U
Application number: CN202223421280.2U
Authority: CN
Inventors: 邹枫; 丁泽铧; 顾嘉宜
Original assignee: Jiangsu Bosen Building Design Co ltd
Current assignee: Jiangsu Bosen Building Design Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-23
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to the technical field of drainage facilities, in particular to a sponge urban drainage port reconstruction structure, which comprises a water inlet positioned at one side of a road standing rim stone, wherein a water collecting cavity is built below the water inlet, an overflow weir is erected in the water collecting cavity, the water collecting cavity is divided into two cavities, a first cavity is positioned right below the water inlet, a second cavity is positioned below the side of the water inlet and is communicated with the top of the first cavity, a drainage pipeline is arranged on the side wall of the first cavity, a concrete pipeline is arranged on the side wall of the second cavity, and when the water level of the water collecting cavity does not reach the height of the overflow weir, rainwater flows into a sponge facility through the drainage pipeline; when the instantaneous water quantity is large, the excessive rainwater overflows over the overflow weir and is discharged into a municipal pipe network through a concrete pipeline. The sponge city water outlet transformation structure is convenient to increase sponge facilities in actual established projects, combines sponge city stagnating and accumulating facilities, relieves municipal pipe network pressure, reduces transformation cost, and better integrates sponge city construction concepts.

Description

Sponge city outlet transformation structure

Technical Field

The utility model relates to the technical field of drainage facilities, in particular to a sponge city water outlet reconstruction structure.

Background

The sponge city is a new generation city rain and flood management concept, and has good elasticity in adapting to environmental changes and natural disasters caused by rainwater, and important marks of the sponge city can enable the rainwater to quickly infiltrate into the ground surface, effectively supplement groundwater, relieve urban heat island effect, protect urban natural water systems from being damaged, and have strong environmental protection value.

The existing drainage system is generally connected to the municipal pipe network, can cope with various rainwater weathers, rapidly reduces surface water accumulation, improves the sewage discharge speed, and effectively protects the service life of the ground pavement and the building. In the sponge city construction process, the rainwater needs to be redirected to be guided into the sponge stagnating and accumulating system, however, sponge facilities are added in the actual established projects, the transformation difficulty is high, the cost is high, and the maximum utilization efficiency of the sponge stagnating and accumulating system is difficult to develop.

Disclosure of Invention

Based on the problems, the utility model aims to provide a sponge city water outlet reconstruction structure, which realizes that drainage road runoffs enter sponge facilities preferentially and is better combined with sponge city storage facilities.

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

a sponge city water outlet reconstruction structure comprises a water inlet positioned at one side of a road standing rim stone, a water collecting cavity is built below the water inlet, an overflow weir is erected in the water collecting cavity, the water collecting cavity is divided into two cavities, a first cavity is positioned right below the water inlet, a second cavity is positioned below the side of the water inlet and communicated with the top of the first cavity, a drainage pipeline is arranged on the side wall of the first cavity, a concrete pipeline is arranged on the side wall of the second cavity, and when the water level of the water collecting cavity does not reach the height of the overflow weir, rainwater flows into sponge facilities through the drainage pipeline; when the instantaneous water quantity is large, the excessive rainwater overflows over the overflow weir and is discharged into a municipal pipe network through a concrete pipeline.

The water collecting cavity is formed by coating waterproof mortar on the surface of a solid brick after being built, and the overflow weir is formed by prefabricating permeable concrete.

In particular, the height of the overflow weir is 3/4 of the depth of the water collecting cavity and is not lower than the elevation of an overflow well of the connected sponge facility.

In particular, a plastic frame is pre-buried at the inlet for stom water, and the inboard of plastic frame is provided with cuts dirty frame, and the outside is provided with cast iron well ring and cast iron comb.

In particular, the bottom of the water collecting cavity is provided with a concrete foundation layer, and the concrete foundation layer is poured on the compacted plain soil.

In particular, the drainage pipeline extends to a rainwater garden of the sponge facility, one side of the rainwater garden is provided with an overflow rainwater well communicated with a municipal pipe network, and a drainage blind pipe communicated with the overflow rainwater well is arranged in a soil layer of the rainwater garden.

In summary, compared with the prior art, the sponge city water outlet reconstruction structure has the beneficial effects that sponge facilities can be added in actual established projects through reconstruction of the existing water outlet, and the sponge city stagnating and accumulating facilities are combined, so that municipal pipe network pressure is relieved, reconstruction cost is reduced, and the sponge city construction concept is better integrated.

Drawings

FIG. 1 is a schematic top view of a sponge city drain retrofit construction provided in an embodiment of the present utility model;

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

FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;

fig. 4 is a schematic diagram of an application of the sponge urban water outlet reconstruction structure provided by the embodiment of the utility model in sponge setting.

In the figure:

1-road curb; 2-a gully; 3-water collecting cavity; 4-overflow weir; 5-drainage pipelines; 6-concrete pipes; 7-a plastic frame; 8-a dirt cutting frame; 9-cast iron grate; 10-a concrete foundation layer; 11-a rain garden; 12-overflow catch basin; 13-drainage blind pipe.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, mechanically connected, electrically connected, indirectly connected through an intermediary, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature. The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Referring to fig. 1 to 3, the preferred embodiment provides a sponge city water outlet reconstruction structure, which comprises a water inlet 2 positioned at one side of a road standing rim stone 1, a water collecting cavity 3 is built below the water inlet 2, an overflow weir 4 is erected in the water collecting cavity 3, the water collecting cavity 3 is divided into two cavities by the overflow weir 4, a first cavity is positioned under the water inlet 2, so that rainwater falls into the first cavity preferentially, a second cavity is positioned below the side of the water inlet 2 and communicated with the top of the first cavity, a drainage pipeline 5 is arranged on the side wall of the first cavity, and a concrete pipeline 6 is arranged on the side wall of the second cavity.

When the water level of the water collecting cavity 3 does not reach the height of the overflow weir 4, rainwater flows into the sponge facility through the drainage pipeline 5; when the instantaneous water quantity is large, the redundant rainwater overflows over the overflow weir 4 and is discharged into a municipal pipe network through the concrete pipeline 6, so that the rainwater road runoff is guaranteed to enter the sponge facility preferentially for treatment, when the instantaneous water quantity is excessive, the rainwater overflows through the concrete pipeline 6, and the height of the overflow weir 4 is preferably 3/4 of the depth of the water collecting cavity 3 and is not lower than the elevation of an overflow well of the connected sponge facility.

The water collecting cavity 3 is formed by coating waterproof mortar on the surface of a solid brick after being built, so that the waterproofness of the water collecting cavity 3 is ensured, and the overflow weir 4 is formed by prefabricating permeable concrete.

The plastic frame 7 is pre-buried in the position of the inlet for stom water 2, and the inboard of plastic frame 7 is provided with cuts dirty frame 8, and the outside is provided with cast iron well ring and cast iron comb 9 to filter rubbish impurity.

The bottom of the water collecting cavity 3 is provided with a concrete foundation layer 10, and the concrete foundation layer 10 is formed by pouring on rammed plain soil, so that the overall structural strength and stability of the water outlet are ensured.

Specifically, the drainage pipeline 5 of the embodiment can be introduced into a rainwater garden 11 of a sponge facility, and is shown in fig. 4, vegetation water storage is achieved, one side of the rainwater garden 11 is provided with an overflow rainwater well 12 communicated with a municipal pipe network, and a drainage blind pipe 13 communicated with the overflow rainwater well 12 is arranged in a soil layer of the rainwater garden 11, so that excessive water inflow of the rainwater garden 11 is avoided.

In sum, the sponge city water outlet reconstruction structure can be used for improving the existing water outlet, increasing sponge facilities in the actual established project, combining sponge city stagnating and accumulating facilities, relieving municipal pipe network pressure, reducing reconstruction cost and better integrating sponge city construction concepts.

The above embodiments merely illustrate the basic principles and features of the present utility model, and the present utility model is not limited to the above embodiments, but can be variously changed and modified without departing from the spirit and scope of the present utility model, which is within the scope of the present utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sponge city outlet transformation structure, its characterized in that includes the inlet for stom water that is located road standing rim stone one side, the below of inlet for stom water is built by laying bricks or stones has catchments the chamber, erect overflow weir in the chamber that catchments, split into two holding chambeies with catchment, first holding chamber is located under the inlet for stom water, the second holds the chamber and is located the side below of inlet for stom water and with first holding chamber top intercommunication, the drain pipe has been seted up on the lateral wall of first holding chamber, the concrete pipeline has been seted up on the lateral wall of second holding chamber, when the water level of chamber does not reach the height of overflow weir, the rainwater flows into the sponge facility through the drain pipe; when the instantaneous water quantity is large, the excessive rainwater overflows the overflow weir and is discharged into a municipal pipe network through the concrete pipeline.

2. The sponge city drain modifying structure of claim 1, wherein: the water collecting cavity is formed by coating waterproof mortar on the surface of a solid brick after being built, and the overflow weir is formed by prefabricating permeable concrete.

3. The sponge city drain modifying structure of claim 1, wherein: the height of the overflow weir is 3/4 of the depth of the water collecting cavity and is not lower than the elevation of the overflow well of the connected sponge facility.

4. The sponge city drain modifying structure of claim 1, wherein: the plastic frame is pre-buried in the inlet for stom water department, the inboard of plastic frame is provided with cuts dirty frame, and the outside is provided with cast iron well ring and cast iron comb.

5. The sponge city drain modifying structure of claim 1, wherein: the bottom of the water collecting cavity is provided with a concrete foundation layer, and the concrete foundation layer is formed by pouring the compacted plain soil.

6. The sponge city drain modifying structure of claim 1, wherein: the drainage pipeline extends to a rainwater garden of the sponge facility, one side of the rainwater garden is provided with an overflow rainwater well communicated with a municipal pipe network, and a drainage blind pipe communicated with the overflow rainwater well is arranged in a soil layer of the rainwater garden.