Urban rainwater collecting and recycling device

Abstract

The utility model belongs to the technical field of urban drainage, and discloses an urban rainwater collecting and recycling device, which comprises a sewer arranged on the side of an urban road; the filter layer is arranged at the upper part of the sewer; a water inlet is formed in the upper end of the filter layer; the intelligent rainwater grate is mounted at the water inlet of the filtering layer, and water leakage holes are formed in the intelligent rainwater grate; the rainwater collecting pool is arranged on the side, away from the urban road, of the sewer, a water inlet pipeline is arranged on one side of the rainwater collecting pool, and an inlet of the water inlet pipeline communicates with the interior of the sewer below the filtering layer; an inlet of the booster pump is communicated with the interior of the rainwater collecting tank through a pipeline, and a water outlet of the booster pump is communicated with a temporary water receiving opening and a plant spraying system through pipelines. According to the utility model, waste of water resources and environmental pollution are reduced; the intelligent rainwater grate can achieve intelligent regulation and control of road surface drainage according to the road surface water accumulation condition.

Description

Technical Field

[0001] The utility model belongs to the technical field of urban drainage, and in particular relates to a device for collecting and recycling urban rainwater. Background Art

[0002] With the acceleration of urbanization, some cities in my country are facing serious problems such as water shortage, water pollution, flood disasters and ecological environment deterioration. As a key element in the water cycle system, rainwater plays an important role in building a sustainable urban water cycle system. Therefore, how to effectively control and utilize urban rainwater has become an important topic that must be paid attention to in the fields of environment, municipal administration, planning, architecture, landscape and water conservancy.

[0003] In today's cities, water damage caused by heavy rains has become one of the serious natural disasters that impact urban construction.

[0004] In response to the above problems, it is necessary to collect and reuse urban rainwater. While alleviating urban natural disasters, it can achieve the recycling of water resources and solve some of the problems of water shortage in cities. Utility Model Content

[0005] The purpose of the utility model is to provide a device for collecting and recycling urban rainwater, so as to solve the above problems existing in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An urban rainwater collection and recycling device, comprising:

[0008] Sewers are set up on the side of urban roads to drain water from the road surface;

[0009] A filter layer is arranged at the upper part of the sewer to filter the water entering the sewer; a water inlet is arranged at the upper end of the filter layer;

[0010] Smart rainwater grate, which is installed at the water inlet of the filter layer. It has leakage holes and can be automatically opened or closed according to the water accumulation on the urban road.

[0011] A rainwater collection pool is arranged on a side of the sewer away from the urban road, a water inlet pipe is arranged on one side of the rainwater collection pool, and an inlet of the water inlet pipe is connected to the inside of the sewer below the filter layer; and

[0012] A booster pump, the inlet of the booster pump is connected to the inside of the rainwater collection tank through a pipeline, and the outlet of the booster pump is connected to a temporary water inlet and a plant spraying system through pipelines.

[0013] As a preferred technical solution in the utility model, the rainwater collection pool is arranged underground, a maintenance well is arranged on the other side of the rainwater collection pool, and a maintenance well cover is arranged at the upper end of the maintenance well; the booster pump is arranged in the maintenance well.

[0014] As a preferred technical solution in the utility model, an overflow pipe connecting the rainwater collection pool and the inspection well is arranged on the upper part of the other side of the rainwater collection pool.

[0015] As a preferred technical solution in the utility model, the side of the smart rainwater grate away from the urban road is rotatably connected to the water inlet of the filter layer, and an electric waterproof push-pull rod is provided at the lower end of the smart rainwater grate. The upper end of the electric waterproof push-pull rod is movably connected to the smart rainwater grate, and the lower end of the electric waterproof push-pull rod passes through the filter layer and is movably connected to the inner wall of the sewer away from the rainwater collection pool.

[0016] As a preferred technical solution in the utility model, a liquid level sensor is provided at the upper end of the side wall of the sewer close to the rainwater collection pool, and the height of the liquid level sensor in the horizontal direction is higher than the height of the urban road in the horizontal direction.

[0017] As a preferred technical solution in the utility model, the electric waterproof push-pull rod and the liquid level sensor are both electrically connected to the intelligent controller.

[0018] As a preferred technical solution in the utility model, the intelligent controller is provided with a signal transceiver module for facilitating remote control by mobile phone.

[0019] Beneficial effects: When it rains, the utility model can allow rainwater on the road surface to enter the filter layer through the leakage holes of the intelligent rainwater grate, enter the sewer after being filtered through the filter layer, and then enter the rainwater collection pool through the water inlet pipe of the rainwater collection pool, so as to be collected and stored for use by the temporary water inlet and the plant spraying system, thereby achieving the purpose of rainwater recycling and reducing the waste of water resources and environmental pollution; wherein, the booster pump can ensure that the temporary water inlet and the plant spraying system have sufficient pressure when using the collected rainwater, thereby ensuring smooth water supply; if the rainfall is heavy, the intelligent rainwater grate senses that the road surface waterlogging exceeds a certain level, and the intelligent rainwater grate can automatically open, so that the road surface waterlogging can pass through the filter layer more quickly into the sewer, thereby improving drainage efficiency; when the road surface rainwater decreases, the intelligent rainwater grate automatically resets, thereby realizing intelligent regulation of road surface drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a side sectional effect diagram of the utility model;

[0021] Figure 2 It is a top view of part of the structure of the utility model.

[0022] In the figure: 1-sewer; 2-filtration layer; 3-intelligent rainwater grate; 4-rainwater collection pool; 401-water inlet pipe; 402-overflow pipe; 5-boosting pump; 6-temporary water inlet; 7-plant spraying system; 8-management well; 9-management well cover; 10-electric waterproof push-pull rod; 11-liquid level sensor; 12-intelligent controller. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the utility model will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation of the utility model.

[0024] Example:

[0025] like Figure 1 and Figure 2 As shown, this embodiment provides an urban rainwater collection and recycling device, including a sewer 1, a filter layer 2, an intelligent rainwater grate 3, a rainwater collection pool 4 and a booster pump 5, as follows:

[0026] The sewer 1 is arranged on the roadside of the urban road to drain the road surface of the urban road; the sewer 1 can be a separately designed sewer, or can directly utilize the existing sewer for improvement, without specific limitation;

[0027] The filter layer 2 is arranged at the upper part of the sewer 1 to filter the water entering the sewer 1. It is preferably made of materials such as sand and gravel, and can effectively filter impurities and particulate matter in rainwater to ensure the cleanliness of rainwater. The upper end of the filter layer 2 is provided with a water inlet;

[0028] Intelligent rainwater grate 3, the intelligent rainwater grate 3 is installed at the water inlet of the filter layer 2, and a leakage hole is opened on the intelligent rainwater grate 3 and can be automatically opened or closed according to the water accumulation on the road of the urban road. Under normal circumstances, rainwater can enter the filter layer 2 through the leakage hole on the intelligent rainwater grate 3, and will not affect the drainage of the sewer 1. When there is too much water accumulation on the road, the intelligent rainwater grate 3 will be opened, so that the water accumulation on the road can pass through the filter layer 2 more quickly into the sewer 1, thereby improving the drainage efficiency. When the rainwater on the road decreases, the intelligent rainwater grate 3 will automatically reset;

[0029] The rainwater collection pool 4 is arranged on a side of the sewer 1 away from the urban road. A water inlet pipe 401 is arranged on one side of the rainwater collection pool 4. The inlet of the water inlet pipe 401 is connected to the inside of the sewer 1 below the filter layer 2 and is responsible for collecting filtered rainwater. The rainwater collection pool 4 has a large-capacity storage space and can store a large amount of rainwater for subsequent use.

[0030] A booster pump 5, the inlet of which is connected to the interior of a rainwater collection pool 4 through a pipe, and the outlet of the booster pump 5 is respectively connected to a temporary water inlet 6 and a plant spraying system 7 through pipes, so as to provide necessary pressure for the temporary water inlet 6 and the plant spraying system 7, and ensure that rainwater can be smoothly transported to where it is needed. The temporary water inlet 6 can be used as a fire water inlet for emergency water use, and the plant spraying system 7 transports the collected rainwater to various plant spraying points through pipes to irrigate the plants, thereby realizing the recycling of rainwater.

[0031] When rainfall occurs, the utility model can make rainwater on the road surface enter the filter layer 2 through the leakage holes of the intelligent rainwater grate 3, enter the sewer 1 after being filtered through the filter layer 2, and then enter the rainwater collection pool 4 through the water inlet pipe 401 of the rainwater collection pool 4, so as to be collected and stored for use by the temporary water inlet 6 and the plant spraying system 7, thereby achieving the purpose of rainwater recycling and reducing the waste of water resources and environmental pollution; wherein, the booster pump 5 can ensure that the temporary water inlet 6 and the plant spraying system 7 have sufficient pressure when using the collected rainwater, thereby ensuring smooth water supply; if the rainfall is heavy, the intelligent rainwater grate 3 senses that the road surface waterlogging exceeds a certain level, and the intelligent rainwater grate 3 can automatically open, so that the road surface waterlogging passes through the filter layer 2 more quickly into the sewer 1, thereby improving the drainage efficiency, and when the road surface rainwater decreases, the intelligent rainwater grate 3 automatically resets, thereby realizing intelligent regulation of road surface drainage.

[0032] As a preferred implementation scheme in this embodiment, it needs to be further explained that the rainwater collection pool 4 is arranged underground, and a maintenance well 8 is arranged on the other side of the rainwater collection pool 4, and a maintenance well cover 9 is arranged at the upper end of the maintenance well 8; the booster pump 5 is arranged in the maintenance well 8, which is convenient for maintenance of the booster pump 5, etc.

[0033] As a preferred implementation scheme in this embodiment, it needs to be further explained that an overflow pipe 402 connecting the rainwater collection pool 4 and the inspection well 8 is provided on the upper part of the other side of the rainwater collection pool 4. In seasons such as heavy rain, the drainage pressure can be relieved to avoid excessive water pressure in the rainwater collection pool 4.

[0034] As a preferred implementation scheme in this embodiment, it needs to be further explained that the side of the smart rainwater grate 3 away from the urban road is rotatably connected to the water inlet of the filter layer 2, and the lower end of the smart rainwater grate 3 is provided with an electric waterproof push-pull rod 10, the upper end of the electric waterproof push-pull rod 10 is movably connected to the smart rainwater grate 3, and the lower end of the electric waterproof push-pull rod 10 passes through the filter layer 2 and is movably connected to the inner wall of the sewer 1 away from the rainwater collection pool 4. The opening and closing of the smart rainwater grate 3 can be achieved by the extension and retraction of the electric waterproof push-pull rod 10, which is simple and practical.

[0035] As a preferred implementation scheme in this embodiment, it needs to be further explained that a liquid level sensor 11 is provided at the upper end of the side wall of the sewer 1 close to the rainwater collection pool 4, and the height of the liquid level sensor 11 in the horizontal direction is higher than the height of the urban road in the horizontal direction.

[0036] As a preferred implementation scheme in this embodiment, it needs to be further explained that the electric waterproof push-pull rod 10 and the liquid level sensor 11 are both electrically connected to the intelligent controller 12. The liquid level sensor 11 can detect road surface waterlogging. When the road surface waterlogging exceeds the upper limit threshold set by the liquid level sensor 11, the liquid level sensor 11 sends a signal to the controller, so that the controller controls the electric waterproof push-pull rod 10 to extend, thereby opening the intelligent rainwater grate 3. When the road surface waterlogging exceeds the lower limit threshold set by the liquid level sensor 11, the liquid level sensor 11 sends a signal to the controller, so that the controller controls the electric waterproof push-pull rod 10 to contract, and controls the intelligent rainwater grate 3 to close.

[0037] As a preferred implementation scheme in this embodiment, it needs to be further explained that the intelligent controller 12 is provided with a signal transceiver module for remote control via a mobile phone, so as to facilitate remote control via a mobile phone and realize real-time control according to the on-site conditions.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An urban rainwater collection and recycling device, characterized in that: include: A sewer (1) is arranged on the roadside of an urban road to drain water from the road surface of the urban road; A filter layer (2), the filter layer (2) is arranged at the upper part of the sewer (1) and is used to filter water entering the sewer (1); a water inlet is arranged at the upper end of the filter layer (2); An intelligent rainwater grate (3), the intelligent rainwater grate (3) being installed at the water inlet of the filter layer (2), the intelligent rainwater grate (3) being provided with a water leakage hole and being able to be automatically opened or closed according to the water accumulation condition of the urban road; A rainwater collection pool (4) is arranged on a side of the sewer (1) away from the urban road, a water inlet pipe (401) is arranged on one side of the rainwater collection pool (4), and an inlet of the water inlet pipe (401) is connected to the interior of the sewer (1) below the filter layer (2); and A booster pump (5) is provided, wherein the inlet of the booster pump (5) is connected to the interior of a rainwater collection tank (4) through a pipeline, and the outlet of the booster pump (5) is connected to a temporary water inlet (6) and a plant spraying system (7) through pipelines.

2. The urban rainwater collection and recycling device according to claim 1, characterized in that: The rainwater collection pool (4) is arranged underground, a maintenance well (8) is arranged on the other side of the rainwater collection pool (4), and a maintenance well cover (9) is arranged at the upper end of the maintenance well (8); the booster pump (5) is arranged in the maintenance well (8).

3. The urban rainwater collection and recycling device according to claim 2 is characterized in that: An overflow pipe (402) connecting the rainwater collection pool (4) and the inspection well (8) is provided at the upper portion of the other side of the rainwater collection pool (4).

4. The urban rainwater collection and recycling device according to claim 1, characterized in that: The side of the smart rainwater grate (3) away from the urban road is rotatably connected to the water inlet of the filter layer (2); the lower end of the smart rainwater grate (3) is provided with an electric waterproof push-pull rod (10); the upper end of the electric waterproof push-pull rod (10) is movably connected to the smart rainwater grate (3); the lower end of the electric waterproof push-pull rod (10) passes through the filter layer (2) and is movably connected to the inner wall of the sewer (1) away from the rainwater collection pool (4).

5. The urban rainwater collection and recycling device according to claim 4, characterized in that: A liquid level sensor (11) is provided at the upper end of the side wall of the sewer (1) close to the rainwater collection pool (4), and the height of the liquid level sensor (11) in the horizontal direction is higher than the height of the urban road in the horizontal direction.

6. The urban rainwater collection and recycling device according to claim 5, characterized in that: The electric waterproof push-pull rod (10) and the liquid level sensor (11) are both electrically connected to an intelligent controller (12).

7. The urban rainwater collection and recycling device according to claim 6, characterized in that: The intelligent controller (12) is provided with a signal transceiver module for facilitating remote control using a mobile phone.

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