Overflow and drainage structure suitable for rainwater pond

Abstract

The overflow and drainage structure comprises the rainwater pond, a dam, a river and an overflow and drainage device, the rainwater pond and the river are separated through the dam, the overflow and drainage device comprises an overflow drainage pipe, an emptying pipe, an inspection well and a drainage pipe, the inspection well is arranged on the dam, and the drainage pipe is arranged on the dam. An outlet of the inspection well is located in the top of the dam, and a well lid is arranged at the outlet of the inspection well. An overflow system and a drainage system are integrated in one structure, and the management and operation processes of overflow and drainage of the rainwater pond are simplified. The inspection well is arranged in the dam, the overflow drainage pipe, the emptying pipe and the drainage pipe work together through communication of the inspection well, and the overall efficiency of the system is improved.

Description

Technical Field

[0001] The utility model relates to an overflow and drainage structure suitable for a rainwater pond. Background Art

[0002] As an artificial or naturally formed pond, rainwater pond is mainly used to collect, store and treat rainwater. It not only plays an important role in reducing urban flooding, controlling rainwater runoff and improving water quality, but also adds green landscape to the urban environment. However, the overflow system and drainage system of traditional rainwater pond operate independently, which has some significant disadvantages.

[0003] The overflow system of a traditional rainwater pond usually consists of a rainwater grate, an overflow well and a drainage pipe. It has relatively simple functions and only has basic overflow and drainage capabilities. When the pond water level reaches the designed height, the excess water is discharged through the overflow facility to prevent the pond from overflowing. However, this system lacks an efficient management model, which easily leads to complex operations and high costs in terms of energy consumption and maintenance.

[0004] In terms of drainage systems, traditional rainwater ponds mainly rely on water pumps to drain rainwater that exceeds the pond's storage capacity or empty it regularly. Although this method can effectively control the water level, its high energy consumption, complex operation management and relatively poor reliability have become the main problems restricting its widespread application.

[0005] In the existing technology, the overflow and drainage systems of the rainwater pond operate independently and lack effective integrated management, resulting in resource waste and low operational efficiency in practical applications. Therefore, an innovative design is urgently needed to effectively combine the overflow and drainage systems of the rainwater pond, achieve unpowered drainage, reduce energy consumption and operating costs, and improve the overall reliability and management efficiency of the system. Utility Model Content

[0006] The utility model aims to provide an overflow and drainage structure suitable for rainwater ponds, which integrates the overflow and drainage functions of rainwater ponds and forms a non-powered drainage effect.

[0007] The purpose of the utility model is achieved in this way:

[0008] An overflow and drainage structure suitable for a rainwater pond comprises a rainwater pond, a dam, a river and an overflow and drainage device, wherein the rainwater pond and the river are separated by the dam, the overflow and drainage device comprises an overflow drainage pipe, a drain pipe, an inspection well and a drainage pipe, the inspection well is arranged on the dam, the outlet of the inspection well is located at the top of the dam, and a well cover is arranged at the outlet of the inspection well;

[0009] The overflow drainage pipe includes a vertical section and a horizontal section, the vertical section and the horizontal section are connected to form an L-shaped pipe, the front end of the horizontal section extends into the rainwater pond, the rear end of the horizontal section passes through the dam and is connected to the inspection well, the vertical section is located in the rainwater pond, the upper end of the vertical section faces upward, and the lower end of the vertical section is connected to the front end of the horizontal section;

[0010] The upper port of the vertical section is provided with a first rainwater grate, and the pipe wall of the vertical section is provided with a grille connected to the vertical section below the first rainwater grate;

[0011] The drain pipe is located below the overflow drain pipe, the front end of the drain pipe extends into the rainwater pond, the rear end of the drain pipe passes through the dam and extends into the inspection well, the front end of the drain pipe is provided with a second rainwater grate, and the rear end of the drain pipe is provided with a valve;

[0012] The drainage pipe is located below the drain pipe, the front end of the drainage pipe extends into the river, and the rear end of the drainage pipe passes through the dam and is connected to the inspection well;

[0013] The rainwater pond is located at the grille position and has a rainwater pond water storage level;

[0014] The rainwater pond is provided with an overflow water level at the position of the first rainwater grate.

[0015] Unpowered drainage effect: By cleverly utilizing the height difference, a natural unpowered drainage effect is formed, replacing the traditional method of manually controlling water pump drainage. This not only significantly reduces energy consumption and saves energy resources, but also reduces dependence on manual operation and reduces labor costs.

[0016] System integration: The overflow and drainage systems are integrated into one structure, which simplifies the management and operation process of the overflow and drainage of the rainwater pond. The inspection well is set in the dam. Through the connection of the inspection well, the overflow drain pipe, the emptying pipe and the drain pipe work together, which improves the overall efficiency of the system.

[0017] Easy to operate and maintain: The inspection well is located at the top of the dam, and the exit is equipped with a well cover, which is convenient for operators to inspect and maintain. This design improves the reliability of the overflow and drainage device in operation, while reducing the difficulty and frequency of maintenance.

[0018] Automatic water level regulation: When the water level in the rainwater pond exceeds the water storage level, rainwater is automatically discharged into the river through the grating and overflow drain pipe to prevent overflow due to excessive water level. When the water level exceeds the overflow level, further drainage is carried out through the first rainwater grate and overflow drain pipe to ensure that the water volume in the rainwater pond remains within a safe range.

[0019] Emergency drainage function: The designed drain pipe can be manually controlled to drain or empty by opening the valve when necessary, providing a flexible emergency drainage method to further ensure the safe operation of the stormwater pond.

[0020] Reduce environmental impact: By effectively managing and controlling rainwater runoff, the risk of urban waterlogging is reduced, while water waste and environmental pollution caused by improper drainage are avoided. The reasonable layout of overflow and drainage devices also helps to improve the urban water ecological environment and enhance the city's green landscape.

[0021] Optimized cost-effectiveness: The integrated design not only reduces the duplication of independent facilities in construction, saving material and construction costs, but also further optimizes the overall cost-effectiveness by reducing energy consumption and simplifying maintenance in long-term operation.

[0022] The beneficial effects of the utility model are as follows:

[0023] The utility model realizes the integration of the overflow and drainage system of the rainwater pond, which not only improves the operating efficiency and reliability of the system, reduces energy consumption and maintenance costs, but also improves the environmental benefits and management convenience of the rainwater pond.

[0024] The utility model, by cleverly utilizing the height difference, forms a natural non-powered drainage effect, replacing the traditional method of manually controlling the water pump to drain water. This not only significantly reduces energy consumption and saves energy resources, but also reduces dependence on manual operation and reduces labor costs.

[0025] The utility model, when the water level of the rainwater pond exceeds the water storage level, rainwater is automatically discharged into the river through the grille and the overflow drain pipe to prevent overflow due to excessive water level. When the water level exceeds the overflow level, further drainage is carried out through the first rainwater grate and the overflow drain pipe to ensure that the water volume of the rainwater pond is kept within a safe range.

[0026] The utility model is designed such that the drain pipe can be manually controlled to drain or empty by opening a valve when necessary, thereby providing a flexible emergency drainage means and further ensuring the safe operation of the rainwater pond. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 Schematic diagram of the cross-section of the overflow and drainage structure suitable for stormwater ponds.

[0028] Figure 2 It is a schematic cross-sectional view of the overflow and drainage structure suitable for stormwater ponds. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0030] Example, combined with Figure 1 to Figure 2 As shown, an overflow and drainage structure suitable for a rainwater pond comprises a rainwater pond 13, a dam 8, a river 14 and an overflow and drainage device, wherein the rainwater pond 13 and the river 14 are separated by the dam 8.

[0031] The overflow and drainage device includes an overflow drain pipe 3, an emptying pipe 5, an inspection well 9 and a drain pipe 10. The inspection well 9 is arranged on the dam 8. The outlet of the inspection well 9 is located at the top of the dam 8, and a well cover 7 is arranged at the outlet of the inspection well 9.

[0032] The overflow drain pipe 3 includes a vertical section and a transverse section, the vertical section and the transverse section are connected to form an L-shaped pipe, the front end of the transverse section extends into the rainwater pond 13, the rear end of the transverse section passes through the dam 8 and is connected to the inspection well 9, the vertical section is located in the rainwater pond 13, the upper end of the vertical section faces upward, and the lower end of the vertical section is connected to the front end of the transverse section;

[0033] The upper port of the vertical section is provided with a first rainwater grate 1, and the pipe wall of the vertical section is provided with a grille 2 communicating with the vertical section below the first rainwater grate 1;

[0034] The drain pipe 5 is located below the overflow drain pipe 3, the front end of the drain pipe 5 extends into the rainwater pond 13, the rear end of the drain pipe 5 passes through the dam 8 and extends into the inspection well 9, the front end of the drain pipe 5 is provided with a second rainwater grate 4, and the rear end of the drain pipe 5 is provided with a valve 6;

[0035] The drainage pipe 10 is located below the drain pipe 5, the front end of the drainage pipe 10 extends into the river 14, and the rear end of the drainage pipe 10 passes through the dam 8 and is connected to the inspection well 9;

[0036] The rainwater pond 13 is located at the grille 2 and has a rainwater pond water level 12;

[0037] The rainwater pond 13 is located at the position of the first rainwater grate 1 and is provided with a rainwater pond overflow water level 11 .

[0038] Working principle:

[0039] When the water level of rainwater pond 13 exceeds the water storage level of rainwater pond 12:

[0040] The water in the rainwater pond 13 is automatically discharged into the river 14 through the grille 2 along the overflow drain pipe 3, the inspection well 9 and the drain pipe 10, reducing the water volume of the rainwater pond 13 until the water volume of the rainwater pond 13 reaches the rainwater pond water level 12 or below the rainwater pond water level 12, and the drainage is stopped;

[0041] When the water level in the rainwater pond 13 exceeds the overflow level 11 of the rainwater pond:

[0042] The water in the rainwater pond 13 is automatically discharged into the river 14 through the first rainwater grate 1 and the grille 2 along the overflow drain pipe 3, the inspection well 9 and the drain pipe 10, reducing the water volume of the rainwater pond 13 until the water volume of the rainwater pond 13 reaches the rainwater pond water level 12 or below the rainwater pond water level 12, and the drainage is stopped.

[0043] When the water volume in the rainwater pond 13 is below the water level 12 of the rainwater pond and needs to be drained or emptied:

[0044] Open valve 6, and the water in rainwater pond 13 will be automatically discharged into river 14 through second rainwater grate 4 along drain pipe 5, inspection well 9 and drain pipe 10, reducing the water volume in rainwater pond 13 until the water in rainwater pond 13 reaches the required water level or is emptied, then close valve 6 to stop draining.

[0045] Since the overflow drain pipe 3 and the drain pipe 5 in the inspection well 9 are located higher than the drain pipe 10 , the water in the rainwater pond 13 can be discharged through the overflow drain pipe 3 , the drain pipe 5 and the drain pipe 10 due to the height difference.

Claims

1. An overflow and drainage structure suitable for a rainwater pond, comprising a rainwater pond (13), a dam (8), a river (14) and an overflow and drainage device, wherein the rainwater pond (13) and the river (14) are separated by the dam (8), and characterized in that: The overflow and drainage device comprises an overflow drainage pipe (3), a drain pipe (5), an inspection well (9) and a drainage pipe (10); the inspection well (9) is arranged on the dam (8); the outlet of the inspection well (9) is located at the top of the dam (8); and a well cover (7) is arranged at the outlet of the inspection well (9); The overflow drainage pipe (3) comprises a vertical section and a transverse section, the vertical section and the transverse section are connected to form an L-shaped pipe, the front end of the transverse section extends into the rainwater pond (13), the rear end of the transverse section passes through the dam (8) and is connected to the inspection well (9), the vertical section is located in the rainwater pond (13), the upper end of the vertical section faces upward, and the lower end of the vertical section is connected to the front end of the transverse section; The upper port of the vertical section is provided with a first rainwater grate (1), and the pipe wall of the vertical section is provided with a grille (2) communicating with the vertical section below the first rainwater grate (1); The drain pipe (5) is located below the overflow drain pipe (3); the front end of the drain pipe (5) extends into the rainwater pond (13); the rear end of the drain pipe (5) passes through the dam (8) and extends into the inspection well (9); the front end of the drain pipe (5) is provided with a second rainwater grate (4); and the rear end of the drain pipe (5) is provided with a valve (6); The drainage pipe (10) is located below the drain pipe (5), the front end of the drainage pipe (10) extends into the river (14), and the rear end of the drainage pipe (10) passes through the dam (8) and is connected to the inspection well (9); The rainwater pond (13) is located at the grille (2) and is provided with a rainwater pond water level (12); The rainwater pond (13) is provided with a rainwater pond overflow water level (11) at the position of the first rainwater grate (1).

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