Sponge city seepage and drainage structure and sponge city water circulation system
By designing seepage and discharge structures and water circulation systems in sponge cities, using seepage and discharge towers and ecological rainwater storage tanks to improve underwater permeability efficiency, the problem that traditional municipal drainage systems cannot effectively utilize urban water resources, and the timely urban groundwater is achieved Recharge and filtration of rainwater reduce the risk of waterlogging.
Patent Information
- Application Number
- CN202420316013.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-20
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-02-20
AI Technical Summary
Traditional municipal drainage systems have high emission efficiency during heavy rainstorms in cities but cannot effectively utilize the city's scarce water resources. The existing ecological rainfall management facilities such as wetlands or ecological wet ponds have limited biological absorption and underwater seepage efficiency, and they cannot replenish urban groundwater in a timely manner. .
Design a sponge urban seepage and discharge structure, including a seepage and discharge tower with leak holes and closed cavity, equipped with filter plates and water filter cotton, connecting the water pump and water pipes through the water discharge port and drain port to form a closed cavity, combining with ecology Rainwater storage tanks and seepage discharge towers improve underwater permeability efficiency and filter rainwater debris.
The bioabsorption and underwater penetration efficiency of wetlands or ecological wet pond facilities has been improved, timely replenished urban groundwater and filtration of rainwater have been achieved, the risk of flooding is reduced, and debris such as birds have been prevented from entering the seepage and discharge tower.
Smart Images
Figure CN222140261U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sponge city drainage, in particular to a sponge city infiltration and drainage structure and a sponge city water circulation system. Background Art
[0002] A sponge city refers to a city that has good "elasticity" in adapting to environmental changes and coping with natural disasters caused by rain. It absorbs, stores, infiltrates and purifies water when it rains, and "releases" and utilizes the stored water when needed.
[0003] The core concept of the traditional municipal drainage system is quick drying and quick drainage. Although this method has a higher discharge efficiency when urban rainstorms are severe, it is of no benefit to the effective recycling of scarce water resources in cities.
[0004] The existing ecological and sustainable stormwater management generally involves setting up reservoirs, rainwater irrigation, wet ponds, rainwater wetlands, etc. There are at least the following problems in this technology: the biological absorption and water infiltration efficiency of facilities such as wetlands or ecological wet ponds are limited, and urban groundwater cannot be replenished in a timely manner, which needs further improvement. Utility Model Content
[0005] The purpose of the utility model is to overcome the shortcomings of the above-mentioned background technology and to provide a sponge city infiltration and drainage structure and a sponge city water circulation system, so that it can improve the biological absorption and water infiltration efficiency of facilities such as wetlands or ecological wet ponds, and timely replenish urban groundwater.
[0006] The utility model provides a sponge city infiltration and drainage structure, including an infiltration and drainage tower with a first leakage hole on the top surface and a closed cavity inside, a drainage outlet on the lower part of the side wall of the infiltration and drainage tower, a water discharge port on the upper part of the side wall of the infiltration and drainage tower, and a second water pipe extending into the bottom of the inner part of the infiltration and drainage tower at the water inlet of the water discharge port.
[0007] In the above technical solution, the water inlet of the water discharge port is connected to the second water pipe through a connecting pipe and a second water pump in sequence.
[0008] In the above technical solution, a first water pump is provided at the inlet of the drain outlet, and the inlet of the first water pump is provided with a first water pipe extending into the bottom of the infiltration and drainage tower.
[0009] In the above technical solution, a filter plate is provided on the upper inner wall of the drainage tower, a water filter cotton is provided on the bottom of the filter plate, and a plurality of second leakage holes are evenly distributed on the filter plate and the water filter cotton.
[0010] In the above technical solution, the seepage tower and the filter plate of the seepage tower are connected by fixing parts evenly distributed along the circumference of the filter plate of the seepage tower.
[0011] In the above technical solution, a base is provided at the bottom of the seepage and drainage tower, and the seepage and drainage tower and the base together form a closed cavity.
[0012] The present invention also provides a sponge city water circulation system, which includes ecological rainwater storage tanks arranged on both sides of the city road and at an altitude lower than the sponge city infiltration and drainage structure. The top of the sponge city infiltration and drainage structure is lower than the lowest point of the low-lying areas within a predetermined range, and the discharge outlet of the sponge city infiltration and drainage structure is connected to the ecological rainwater storage tank through a connecting water pipe.
[0013] In the above technical solution, a storage tank filter plate is provided on the top of the ecological rainwater storage tank.
[0014] A sponge city water circulation system suitable for a sponge city infiltration and drainage structure, wherein ecological rainwater storage tanks are arranged on both sides of urban roads, and infiltration and drainage towers are installed in urban areas where the horizon is higher than the ecological rainwater storage tanks, and the tops of the infiltration and drainage towers are lower than the lowest point of low-lying areas within a predetermined range. At least two infiltration and drainage towers are arranged, and the infiltration and drainage towers are connected to a water storage tank through a drain outlet and a filtration device; a storage tank filter plate is arranged on the top of the ecological rainwater storage tank, and the storage tank filter plate filters debris in the rainwater.
[0015] The utility model of the sponge city seepage drainage structure and the sponge city water circulation system has the following features:
[0016] Beneficial effects:
[0017] This device can improve the elasticity of the urban sponge by setting up an ecological rainwater storage pond and an infiltration tower. When the amount of water is large, it can be stored through the infiltration tower and the infiltration speed can be increased to reduce the supply of groundwater in the case of waterlogging. This device can also filter rainwater through the filtering component to prevent birds and debris from entering the infiltration tower. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the overall external structure of the sponge city infiltration and drainage structure of the utility model;
[0019] Figure 2 This is the structural front view of the sponge city infiltration and drainage structure of the utility model;
[0020] Figure 3 for Figure 2 Schematic diagram of the structural section at AA in the middle;
[0021] Figure 4 It is a schematic diagram of the overall structure of the sponge city water circulation system of the utility model. DETAILED DESCRIPTION
[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but the embodiments should not be construed as limiting the present invention.
[0023] See also Figure 1-3 The utility model provides a technical solution: a sponge city infiltration and drainage structure, including an infiltration and drainage tower 1, a water outlet 3 and a drain outlet 4, a first leakage hole 2 is provided on the upper end surface of the infiltration and drainage tower 1, a filter assembly is provided inside the infiltration and drainage tower 1, the side wall of the infiltration and drainage tower 1 is connected with the water outlet 3 and the drain outlet 4, and a base 5 is provided at the bottom of the infiltration and drainage tower 1; the infiltration and drainage tower 1 is connected to the ecological rainwater storage tank 15 through the connecting water pipe on the water outlet 3.
[0024] The filter assembly includes a drainage tower filter plate 6, which is fixed inside the drainage tower 1 through a fixing member 7. A water filter cotton 9 is provided on the bottom surface of the drainage tower filter plate 6. A second leakage hole 8 is provided on the drainage tower filter plate 6 and the water filter cotton 9.
[0025] The inner end of the water outlet 3 is connected to a second water pump 12 via a connecting pipe 13 , the water suction end of the second water pump 12 is connected to a second water pipe 14 , and the second water pipe 14 extends into the inner bottom end of the infiltration and drainage tower 1 .
[0026] The drain port 4 is connected to a first water pump 10 , and a water suction end of the first water pump 10 is connected to the inner bottom end of the drainage tower 1 through a first water pipe 11 .
[0027] See also Figure 4 The utility model is applicable to a sponge city water circulation system with a sponge city infiltration and drainage structure. Ecological rainwater storage tanks 15 are arranged on both sides of urban roads. Infiltration and drainage towers 1 are installed in urban areas where the horizon is higher than the ecological rainwater storage tanks 15. The top of the infiltration and drainage tower 1 is lower than the lowest point of the low-lying area within a predetermined range. At least two infiltration and drainage towers 1 are arranged. The infiltration and drainage towers 1 are connected to the water storage tank through a drain port 4 and a filtration device; a storage tank filter plate 16 is arranged on the top of the ecological rainwater storage tank 15, and the storage tank filter plate 16 filters debris in the rainwater.
[0028] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
[0029] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
Claims
1. A sponge city drainage structure, comprising a drainage tower (1) with a first leakage hole (2) on the top surface and a closed cavity inside, wherein a drainage outlet (4) is provided at the lower part of the side wall of the drainage tower (1), characterized in that: A water outlet (3) is provided at the upper part of the side wall of the drainage tower (1), and a second water pipe (14) extending into the bottom of the drainage tower (1) is provided at the water inlet of the drainage tower (3).
2. The sponge city drainage structure according to claim 1 is characterized in that: The water inlet of the water discharge port (3) is connected to the second water pipe (14) via a connecting pipe (13) and a second water pump (12) in sequence.
3. The sponge city drainage structure according to claim 2 is characterized in that: A first water pump (10) is provided at the inlet of the drainage port (4), and a first water pipe (11) extending into the bottom of the drainage tower (1) is provided at the inlet of the first water pump (10).
4. The sponge city drainage structure according to claim 3 is characterized in that: A seepage tower filter plate (6) is provided on the upper part of the inner wall of the seepage tower (1), a water filter cotton (9) is provided on the bottom surface of the seepage tower filter plate (6), and a plurality of second leakage holes (8) are evenly distributed on the seepage tower filter plate (6) and the water filter cotton (9).
5. The sponge city drainage structure according to claim 4 is characterized in that: The seepage tower (1) is connected to the seepage tower filter plate (6) via fixing parts (7) uniformly distributed along the circumference of the seepage tower filter plate (6).
6. The sponge city drainage structure according to claim 5 is characterized by: A base (5) is provided at the bottom of the seepage drainage tower (1), and the seepage drainage tower (1) and the base (5) together form a closed cavity.
7. A sponge city water circulation system, characterized by: The system comprises an ecological rainwater storage tank (15) arranged on both sides of the urban road and having an altitude lower than the sponge city infiltration and drainage structure as described in any one of claims 1 to 6, the top of the sponge city infiltration and drainage structure is lower than the lowest point of the low-lying area within a predetermined range, and the discharge port (3) of the sponge city infiltration and drainage structure is connected to the ecological rainwater storage tank (15) through a connecting water pipe.
8. The sponge city water circulation system according to claim 7, characterized in that: A storage tank filter plate (16) is provided on the top of the ecological rainwater storage tank (15).