Roof rainwater collecting, purifying and recycling system

Abstract

The utility model discloses a roof rainwater collecting, purifying and recycling system, which relates to the field of water resource management and environmental engineering and comprises a roof rainwater collecting system, an underground water storage system, a purifying system and a recycling and discharging system. Aquatic plants are planted in the rainwater collecting pool, and a filter screen is fixedly arranged at an opening of the rainwater collecting pool; the underground water storage system comprises an underground water storage pool, and a drainage system is arranged between the water storage pool and the rainwater collection pool. According to the roof rainwater collecting, purifying and recycling system, impurities are removed through a natural and artificial combined purifying means, purified water resources are safely and conveniently used for irrigating plants on the earth surface, attractiveness and ecological functions are considered at the same time, sustainable utilization of urban rainwater resources is achieved, and environmental protection is achieved. And construction of green buildings and water-saving society is promoted.

Description

Technical Field

[0001] This utility model relates to the field of water resource management and environmental engineering, specifically to a rooftop rainwater collection, purification and reuse system. Background Technology

[0002] With the acceleration of urbanization, the problem of water shortage is becoming increasingly serious. Rainwater, as one of the important sources of freshwater in nature, has become an effective way to alleviate urban water shortages through collection and utilization. Roofs, as important water catchment surfaces in cities, have great potential for rainwater collection.

[0003] However, traditional rainwater treatment methods often discharge rainwater directly, ignoring its potential value. In addition, rainwater is prone to carrying dust, pollutants and other impurities during the collection process, and direct use may have adverse effects on the environment and plants.

[0004] Therefore, it is particularly important to develop an efficient and environmentally friendly rooftop rainwater collection, purification, and reuse system. Utility Model Content

[0005] In view of the problems existing in the current rainwater collection and purification system, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a roof rainwater collection, purification and reuse system, which solves the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A rooftop rainwater harvesting, purification, and reuse system includes a rooftop rainwater harvesting system, an underground water storage system, a purification system, and a reuse and discharge system. The rooftop rainwater harvesting system includes a rainwater collection tank installed on the roof, with aquatic plants planted inside the rainwater collection tank, and a filter screen fixedly installed at the opening of the rainwater collection tank.

[0009] The underground water storage system includes an underground water storage tank, and a drainage system is provided between the water storage tank and the rainwater collection tank.

[0010] The purification system includes a purification box installed underground. The purification box is connected to the water storage tank through a connecting pipe. The purification box is equipped with multiple layers of frosted glass balls and multiple layers of activated carbon particles. The multiple layers of frosted glass balls and multiple layers of activated carbon particles are arranged alternately and staggered. A precision filter screen is installed between the layers of frosted glass balls and the layers of activated carbon particles.

[0011] The reuse and discharge system includes a water-storage pump installed on the ground, with a pumping pipe fixedly installed at the input end of the water-storage pump and an irrigation pipe fixedly installed at the output end of the water-storage pump extending to the ground.

[0012] Preferably, the drainage system includes a drain pipe, one end of which is fixedly connected to the bottom of the rainwater collection tank, and the other end of which is fixedly connected to the water storage tank.

[0013] Preferably, the drain pipe is fixedly installed on the side wall of the wall using pipe clamps.

[0014] Preferably, the side wall of the purification box is fixedly provided with an overflow discharge pipe, and the end of the overflow discharge pipe is provided with an overflow discharge system.

[0015] Preferably, the end of the irrigation pipe is provided with a surface plant irrigation component.

[0016] Preferably, the aquatic plants pass through the pores of the filter screen.

[0017] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0018] 1. Efficient use of resources: Effective collection and utilization of rooftop rainwater reduces urban rainwater runoff, alleviates urban drainage pressure, and improves water resource utilization.

[0019] 2. Environmental protection: By combining natural and artificial purification methods, the pollutant content in rainwater is significantly reduced, protecting surface water bodies and soil environment.

[0020] 3. Economic benefits: It reduces urban tap water consumption and lowers irrigation costs, resulting in significant economic benefits in the long run.

[0021] 4. Ecological beautification: The combination of rooftop ecological ponds and ground-level greening enhances the level of urban greening and strengthens the self-recovery capacity of the urban ecosystem. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 For the present utility model Figure 1 A schematic diagram of the structure of a rainwater collection tank.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Rainwater harvesting tank; 2. Aquatic plants; 3. Filter screen; 4. Water storage tank; 5. Purification box; 6. Connecting pipe; 7. Frosted glass ball layer; 8. Activated carbon granule layer; 9. Precision filter screen; 10. Water-storing pump; 11. Pumping pipe; 12. Irrigation pipe; 13. Drainage pipe; 14. Overflow discharge pipe; 15. Surface plant irrigation components. Detailed Implementation

[0027] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0028] This utility model provides, for example Figure 1-2 The roof rainwater harvesting, purification and reuse system shown includes a roof rainwater harvesting system, an underground water storage system, a purification system and a reuse and discharge system. The roof rainwater harvesting system includes a rainwater harvesting tank 1 installed on the roof. Aquatic plants 2 are planted inside the rainwater harvesting tank 1. A filter screen 3 is fixedly installed at the opening of the rainwater harvesting tank 1. The aquatic plants 2 pass through the holes of the filter screen 3.

[0029] The underground water storage system includes an underground water storage tank 4. A drainage system is provided between the water storage tank 4 and the rainwater collection tank 1. The drainage system includes a drain pipe 13. One end of the drain pipe 13 is fixedly connected to the bottom of the rainwater collection tank 1, and the other end of the drain pipe 13 is fixedly connected to the water storage tank 4. The drain pipe 13 is fixedly installed on the side wall of the wall by pipe clamps to ensure the stability and safety of the drainage process.

[0030] The purification system includes a purification box 5 installed underground. The purification box 5 is connected to the water storage tank 4 through a connecting pipe 6. The purification box 5 is equipped with multiple frosted glass ball layers 7 and multiple activated carbon particle layers 8. The multiple frosted glass ball layers 7 and multiple activated carbon particle layers 8 are arranged alternately and staggered. A precision filter screen 9 is installed between the frosted glass ball layers 7 and the activated carbon particle layers 8.

[0031] The reuse and discharge system includes a water-storing pump 10 installed on the ground. The input end of the water-storing pump 10 is fixedly provided with a pumping pipe 11, and the output end of the water-storing pump 10 is fixedly provided with an irrigation pipe 12 extending to the ground. The end of the irrigation pipe 12 is provided with a surface plant irrigation component 15, which consists of a pipe network and nozzles.

[0032] like Figure 1 As shown, the side wall of the purification box 5 is fixedly equipped with an overflow discharge pipe 14, and the end of the overflow discharge pipe 14 is equipped with an overflow discharge system, which can discharge excess rainwater into the designated overflow discharge system and safely discharge it into the urban rainwater pipe network or natural water body to avoid water accumulation problems.

[0033] Working principle:

[0034] During rainfall, rainwater from the roof naturally flows into the rainwater collection tank 1. The filter screen 3 at the opening of the rainwater collection tank 1 plays a preliminary filtration role, intercepting larger impurities in the rainwater, such as leaves and branches, to prevent them from entering the subsequent system. At the same time, the aquatic plants 2 planted in the rainwater collection tank 1 can not only adsorb and degrade some pollutants in the rainwater through their own growth and metabolism, playing a preliminary purification role, but also further enhance the filtration effect of the rainwater by passing through the pores of the filter screen 3, so that the rainwater flowing into the rainwater collection tank 1 is initially purified and filtered.

[0035] Rainwater transport and storage stage: After preliminary filtration and purification, the rainwater flows from the bottom of the rainwater collection tank 1 to the underground storage tank 4 through the drain pipe 13 in the drainage system. The storage tank 4 is used to store a large amount of rainwater and plays a role in regulating the water volume. When the rainfall is heavy, it stores excess rainwater to avoid waste caused by direct discharge of rainwater. During periods of little rain or drought, it provides a stable water source for subsequent purification and utilization.

[0036] Rainwater purification stage: When rainwater is needed, the rainwater in the storage tank 4 flows into the purification tank 5 through the connecting pipe 6. When the rainwater flows through the frosted glass ball layer 7, the irregular surface and large specific surface area of ​​the frosted glass balls can further filter the suspended particles in the rainwater. Then, the rainwater enters the activated carbon particle layer 8. Activated carbon, with its strong adsorption performance, adsorbs odors, pigments, organic pollutants and some heavy metal ions in the rainwater, effectively improving the water quality of the rainwater. The precision filter 9 performs the final fine filtration of the rainwater after the first two purification processes, intercepting tiny particles to ensure that the rainwater flowing out of the purification tank 5 meets a high water quality standard.

[0037] Rainwater reuse and discharge stage: The purified rainwater is drawn by a water-storable pump 10. The input end of the water-storable pump 10 is connected to the purification tank 5 through the pumping pipe 11, and the output end is connected to the irrigation pipe 12 extending to the ground. The surface plant irrigation component 15 at the end of the irrigation pipe 12 sprays or delivers the purified rainwater evenly to the roots of the surface plants, realizing the reuse of rainwater, meeting the water needs of plant growth, reducing dependence on municipal water supply, and achieving the purpose of water conservation. In addition, when the water level in the purification tank 5 or the water storage tank 4 is too high, the overflow discharge pipe 14 on the side wall of the purification tank 5 will discharge the excess rainwater to the designated overflow discharge system to avoid damage to the system due to excessive water level.

[0038] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A roof rainwater collection, purification and recycling system, comprising a roof rainwater collection system, an underground water storage system, a purification system and a recycling and drainage system, characterized in that: the roof rainwater collection system comprises a rainwater collection tank (1) arranged on the roof, aquatic plants (2) are planted in the rainwater collection tank (1), and a filter screen (3) is fixedly arranged at the opening of the rainwater collection tank (1); the underground water storage system comprises a water storage tank (4) arranged underground, and a drainage system is arranged between the rainwater collection tank (1) and the water storage tank (4); the purification system comprises a purification tank (5) arranged underground, the purification tank (5) is connected with the water storage tank (4) through a connecting pipe (6), a plurality of ground glass ball layers (7) and a plurality of activated carbon particle layers (8) are arranged in the purification tank (5), the plurality of ground glass ball layers (7) and the plurality of activated carbon particle layers (8) are arranged in an interlaced manner, and a precision filter screen (9) is arranged between the ground glass ball layers (7) and the activated carbon particle layers (8); the recycling and drainage system comprises a water storage and pumping pump (10) arranged on the ground, a water pumping pipe (11) is fixedly arranged at the input end of the water storage and pumping pump (10), and an irrigation pipe (12) extending to the ground is fixedly arranged at the output end of the water storage and pumping pump (10).

2. The roof rainwater harvesting, purifying and recycling system according to claim 1, characterized in that: the drainage system comprises a drainage pipe (13), one end of the drainage pipe (13) is fixedly connected with the bottom of the rainwater collection tank (1), and the other end of the drainage pipe (13) is fixedly connected with the water storage tank (4).

3. The roof rainwater harvesting, purifying and reusing system according to claim 2, characterized in that: The drainage pipe (13) is fixedly installed on the side wall of the wall body through a pipe clamp.

4. The roof rainwater harvesting, purifying and reusing system according to claim 1, wherein: An overflow drainage pipe (14) is fixedly arranged on the side wall of the purification tank (5), and an overflow drainage system is arranged at the end of the overflow drainage pipe (14).

5. The roof rainwater harvesting, purifying and reusing system according to claim 1, wherein: An overground plant irrigation assembly (15) is arranged at the end of the irrigation pipe (12).

6. The roof rainwater harvesting, purifying and reusing system according to claim 1, wherein: The aquatic plants (2) pass through the pore diameter of the filter screen (3).

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