Rainwater collection and utilization device for ecological building
By setting up clear water chambers and turbid water chambers in the rainwater harvesting device of the ecological building, combined with the confluence component and buffer component to protect the filter screen, the problem of the filter screen being easily damaged by rain at the beginning of the rain is solved, and the efficient collection and utilization of clean water resources is realized.
Patent Information
- Application Number
- CN202422078911.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-08-26
AI Technical Summary
Existing eco-building rainwater harvesting devices suffer from the problem that their filters are easily damaged by silt and high-energy rainwater in the early stages of rainfall.
The design incorporates a filter screen inside the water storage tank, which is divided into a clear water chamber and a turbid water chamber. The filter screen is protected by a manifold and a buffer assembly. The buffer assembly absorbs the energy of the water flow, the sludge storage tank collects sediment, and the scraper cleans impurities from the filter screen, thus achieving rainwater purification.
It effectively protects the filter screen from being damaged by rain at the beginning of the rain, ensuring the collection and utilization of purified water resources, and improving the service life and filtration efficiency of the filter screen.
Smart Images

Figure CN223660936U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of rainwater harvesting technology, and in particular to an ecological building rainwater harvesting and utilization device. Background Technology
[0002] Ecological building rainwater harvesting refers to the process of collecting, transporting, purifying, and storing rainwater from hardened exterior surfaces such as building roofs to transform it into usable clean water resources.
[0003] Existing ecological building rainwater harvesting devices are generally water storage tanks with built-in filters. The water storage tanks are located at the bottom of the downpipes on the building's roof. Rainwater collected on the building's roof will first fall along the downpipes into the filter screen in the water storage tank.
[0004] However, in the early stages of rain, the rainwater contains a lot of mud and sand. When this mud- and sandy rainwater falls from a height onto the filter screen, it has a lot of energy and can easily damage the filter screen.
[0005] In view of this, there is a need to provide an ecological building rainwater harvesting and utilization device. Utility Model Content
[0006] To address the problem that the filter screen in the rainwater harvesting device of an eco-building is easily damaged by water during the initial stage of rainfall, this application provides an eco-building rainwater harvesting and utilization device.
[0007] This application provides an ecological building rainwater harvesting and utilization device, which adopts the following technical solution: it includes a water storage tank, a filter screen, a confluence assembly and a buffer assembly. The filter screen is arranged vertically in the water storage tank and divides the water storage tank into a clear water chamber and a turbid water chamber. An outlet is provided on the inner wall of the clear water chamber, and an inlet is provided on the top of the water storage tank leading to the turbid water chamber.
[0008] The inlet of the manifold assembly is located on the roof and is adapted to collect rainwater on the roof; the outlet of the manifold assembly is connected to the inlet.
[0009] The buffer assembly is located below the water inlet and connected to the inner wall of the turbid water chamber, and the buffer assembly is capable of absorbing the kinetic energy carried by the water flow falling from the water inlet.
[0010] By adopting the above technical solution, rainwater falling on the roof of the ecological building will first be collected in the confluence component, and then enter the turbid water chamber through the inlet on the top of the water storage tank from the outlet of the confluence component. Finally, it will pass through the filter screen into the clear water chamber. The filter screen can block impurities such as mud, sand and solid floating objects carried in the rainwater from entering the clear water chamber, so that users can obtain usable clean water resources from the outlet of the water storage tank. When the water flow in the downpipe just enters the water storage tank, the buffer component can absorb the kinetic energy carried by the water flow falling from the inlet and reduce the water pressure to protect the filter screen, so that the filter screen is not easily damaged or broken by the water flow at the beginning of the rain.
[0011] Specifically, the confluence assembly includes a trench and a downpipe. The trench is located at the edge of the roof and can collect rainwater sliding down from the roof. A downpipe hole is provided on the bottom of the trench. The top end of the downpipe is connected to the downpipe hole, and the bottom end of the downpipe is connected to the water inlet.
[0012] By adopting the above technical solution, rainwater falling on the roof will first slide down the roof into the groove at the edge of the roof, and then flow into the downpipe along the groove, so that the rainwater falling on the roof can be collected through the cooperation of the groove and the downpipe.
[0013] Furthermore, the downpipe is provided with a foldable corrugated section, and when the corrugated section is extended, the bottom end of the downpipe can be inserted into the water inlet.
[0014] By adopting the above technical solution, the corrugated pipe section allows the downpipe to expand and contract in the vertical direction to achieve a detachable connection between the downpipe and the rainwater harvesting and utilization device of the ecological building.
[0015] Furthermore, the buffer assembly includes a buffer seat and an elastic element. A groove is formed on the side wall of the turbid water chamber in the vertical direction. A slider is provided on one side of the buffer seat. The slider is inserted into the groove and can slide along the groove.
[0016] The elastic element is disposed between the buffer seat and the bottom wall of the turbid water chamber and is capable of applying an upward force to the buffer seat.
[0017] By adopting the above technical solution, the elastic element can apply an upward force to the buffer seat, so that the kinetic energy carried by the water flow falling into the water storage tank can be absorbed through the cooperation between the elastic element and the buffer seat, thereby playing a role in eliminating water pressure.
[0018] Furthermore, the buffer assembly also includes a sludge storage cylinder, and the buffer seat has a receiving groove adapted to the sludge storage cylinder. The cylinder body of the sludge storage cylinder is inserted into the receiving groove, and the opening of the sludge storage cylinder is not higher than the opening of the receiving groove.
[0019] By adopting the above technical solution, in the early stages of rain, the mud and sand on the roof will enter the turbid water chamber along with the water flow. The sludge storage tank can hold this mud and sand, so that the mud and sand will not easily clog the filter screen, thus reducing the filtration efficiency of the filter screen.
[0020] Furthermore, the buffer assembly also includes a pull rope, one end of which is connected to the sludge storage cylinder, and the other end of which is provided with a hanging ring;
[0021] The side wall of the turbid water chamber is provided with a hook, and the hanging ring is suspended on the hook.
[0022] By adopting the above technical solution, users can first pull the downpipe out of the water inlet, and then use the lifting ring and pull rope to lift the sludge storage cylinder out of the water inlet to clean the sludge stored in the sludge storage cylinder.
[0023] Furthermore, the top of the buffer seat is provided with a scraper, which is located between the filter screen and the sludge storage cylinder and can abut against the filter screen.
[0024] By adopting the above technical solution, under the impact of water flow, the buffer seat moves up and down vertically together with the scraper, so that the mud and sand adhering to the filter screen can be scraped off by the scraper, thus ensuring the filtration efficiency of the filter screen.
[0025] Specifically, the water outlet is equipped with a water tap.
[0026] By adopting the above technical solution, users can release water from the clean water chamber through the faucet.
[0027] In summary, this application includes the following beneficial technical effects:
[0028] The system includes a water storage tank, a filter screen, a manifold assembly, and a buffer assembly. The filter screen is vertically installed in the water storage tank, dividing the tank into a clear water chamber and a turbid water chamber. An outlet is located on the inner wall of the clear water chamber, and an inlet is located at the top of the tank leading to the turbid water chamber. The inlet of the manifold assembly is located on the roof and is suitable for collecting rainwater from the roof. The outlet of the manifold assembly is connected to the inlet. The buffer assembly is located below the inlet and connected to the inner wall of the turbid water chamber. This buffer assembly absorbs the kinetic energy carried by the water flowing from the inlet. Rainwater falling on the roof of the eco-building will first collect in the manifold assembly. In this system, water flows from the outlet of the manifold into the turbid water chamber through the inlet at the top of the storage tank, and finally through the filter screen into the clear water chamber. The filter screen blocks impurities such as mud, sand, and solid floating matter carried by rainwater from entering the clear water chamber, allowing users to obtain usable clean water from the outlet of the storage tank. When the water in the downpipe first enters the storage tank, the buffer component absorbs the kinetic energy carried by the water flow falling from the inlet and dissipates the water pressure, thus protecting the filter screen and preventing it from being damaged or broken by the water flow at the beginning of rain. Attached Figure Description
[0029] Figure 1 This is a perspective view of an ecological building rainwater harvesting and utilization device according to this application;
[0030] Figure 2 This is a schematic cross-sectional view taken along the central axis of the downpipe of an ecological building rainwater harvesting and utilization device according to this application.
[0031] Figure 3 yes Figure 2 A schematic enlarged view of area A in the middle, showing the hook.
[0032] Reference numerals: 1. Roof; 2. Water storage tank; 21. Clear water chamber; 22. Turbid water chamber; 221. Slide; 222. Hook; 3. Filter screen; 4. Manifold assembly; 41. Trench; 42. Downpipe; 421. Corrugated pipe section; 5. Buffer assembly; 51. Buffer seat; 511. Scraper; 52. Elastic element; 53. Sludge storage tank; 54. Pull rope; 541. Hanging ring; 6. Water tap. Detailed Implementation
[0033] Figure 1 This is a perspective view of an ecological building rainwater harvesting and utilization device according to this application. Figure 2 This is a schematic cross-sectional view taken along the central axis of the downpipe of an ecological building rainwater harvesting and utilization device according to this application. See also Figure 1 and Figure 2The ecological building rainwater harvesting and utilization device provided in this application includes: a water storage tank 2, a filter screen 3, a confluence assembly 4, and a buffer assembly 5. The filter screen 3 is vertically arranged in the water storage tank 2 and divides the water storage tank 2 into a clear water chamber 21 and a turbid water chamber 22. A water outlet is opened on the inner wall of the clear water chamber 21, and a water tap 6 is provided in the water outlet so that users can release water from the clear water chamber 21 through the water tap 6. A water inlet leading to the turbid water chamber 22 is opened on the top of the water storage tank 2. The confluence assembly 4 includes a channel The trough 41 and the downpipe 42 are provided. The trough 41 is located at the edge of the roof 1 and can collect rainwater that slides down from the roof 1. A downpipe hole is opened on the bottom of the trough 41. The top end of the downpipe 42 is connected to the downpipe hole, and the bottom end of the downpipe 42 is connected to the water inlet. This allows the rainwater falling on the roof 1 to first slide down the roof 1 into the trough 41 at the edge of the roof 1, and then flow along the trough 41 into the downpipe 42. The rainwater falling on the roof 1 can be collected through the cooperation of the trough 41 and the downpipe 42.
[0034] Figure 3 yes Figure 2 A schematic enlarged view of area A in the middle, showing the hook. See also Figure 2 and Figure 3 The buffer assembly 5 includes a buffer seat 51, an elastic element 52, a sludge storage tank 53, and a pull rope 54. Slide grooves 221 are vertically formed on both side walls of the turbid water chamber 22 near the filter screen 3. Slide blocks are provided on both sides of the buffer seat 51, each slide block being inserted into a corresponding slide groove 221 and able to slide along the groove 221. The elastic element 52 is located between the buffer seat 51 and the bottom wall of the turbid water chamber 22. The elastic element 52 can be a compression spring, which can apply an upward force to the buffer seat 51. This allows the elastic element 52 and the buffer seat 51 to absorb the kinetic energy carried by the water flowing into the water storage tank 2, thus reducing the water pressure.
[0035] See Figure 2 and Figure 3 The buffer seat 51 has a receiving groove adapted to the sludge storage cylinder 53. The cylinder body of the sludge storage cylinder 53 is inserted into the receiving groove, and the opening of the sludge storage cylinder 53 is not higher than the opening of the receiving groove. Since the mud and sand on the roof 1 will enter the turbid water chamber with the water flow at the beginning of the rain, the sludge storage cylinder 53 can hold these mud and sand, so that these mud and sand will not clog the filter screen 3, thus reducing the filtration efficiency of the filter screen 3. One end of the pull rope 54 is connected to the sludge storage cylinder 53, and the other end of the pull rope 54 is provided with a hanging ring 541. The side wall of the turbid water chamber 22 is provided with a hook 222, and the hanging ring 541 is suspended on the hook 222, so that the user can first pull the downpipe 42 out of the water inlet, and then lift the sludge storage cylinder 53 out of the water inlet of the water tank 2 through the hanging ring 541 and the pull rope 54, thereby realizing the cleaning of the mud and sand stored in the sludge storage cylinder 53.
[0036] With the above setup, rainwater falling on the roof 1 of the ecological building will first collect in the ditch 41, then pass through the downpipe 42 and enter the turbid water chamber 22 from the inlet at the top of the water storage tank 2, and finally pass through the filter screen 3 into the clear water chamber 21. The filter screen 3 can block impurities such as mud, sand, and solid floating objects carried in the rainwater from the outside of the clear water chamber 21, so that users can obtain usable clean water resources from the outlet of the water storage tank 2. When the water flow in the downpipe 42 just enters the water storage tank 2, the elastic element 52 can cooperate with the buffer seat 51 to absorb the kinetic energy carried by the water flow falling from the inlet and dissipate the water force, so as to protect the filter screen 3, making it less likely to be damaged or broken by the water flow at the beginning of the rain.
[0037] See Figure 2 and Figure 3 Specifically, a foldable corrugated pipe section 421 can be provided on the body of the downpipe 42 so that the body of the downpipe 42 can extend and retract to a certain extent in the vertical direction. When the corrugated pipe section 421 extends, the bottom end of the downpipe 42 can be inserted into the water inlet. When the corrugated pipe section 421 retracts, the user can use the gap between the bottom end of the downpipe 42 and the water storage tank 2 to lift the sludge storage cylinder 53 out of the water inlet from the water storage tank 2. A scraper 511 can also be provided on the top of the buffer seat 51. The scraper 511 is located between the filter screen 3 and the sludge storage cylinder 53 and can abut against the filter screen 3. With the above settings, under the impact of the water flow, the buffer seat 51 moves up and down in the vertical direction together with the scraper 511 so that the mud and sand adhering to the filter screen 3 can be scraped off by the scraper 511, so as to ensure the filtration efficiency of the filter screen 3.
[0038] The working principle of the ecological building rainwater harvesting and utilization device of this application is as follows:
[0039] The system includes a water storage tank 2, a filter screen 3, a manifold assembly 4, and a buffer assembly 5. The filter screen 3 is vertically installed in the water storage tank 2, dividing the tank into a clear water chamber 21 and a turbid water chamber 22. An outlet is located on the inner wall of the clear water chamber 21, and an inlet is located at the top of the water storage tank 2 leading to the turbid water chamber 22. The inlet of the manifold assembly 4 is located on the roof 1 and is suitable for collecting rainwater from the roof 1. The outlet of the manifold assembly 4 is connected to the inlet. The buffer assembly 5 is located below the inlet and connected to the inner wall of the turbid water chamber 22. This buffer assembly 5 can absorb the kinetic energy carried by the water flowing down from the inlet, allowing rainwater falling on the roof 1 of the ecological building to first collect. The water flows into the manifold 4, then through the outlet of the manifold 4, through the inlet at the top of the water tank 2, into the turbid water chamber 22, and finally through the filter screen 3 into the clear water chamber 21. The filter screen 3 can block impurities such as mud, sand, and solid floating matter carried by rainwater from the clear water chamber 21, so that users can obtain usable clean water resources from the outlet of the water tank 2. When the water flow in the downpipe 42 just enters the water tank 2, the buffer component 5 can absorb the kinetic energy carried by the water flow falling from the inlet and reduce the water pressure to protect the filter screen 3, so that the filter screen 3 is not easily damaged or broken by the water flow at the beginning of the rain.
[0040] It should be noted that the above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. An ecological building rainwater harvesting and utilization device for collecting rainwater from the roof of an ecological building, characterized in that: The system includes a water storage tank (2), a filter screen (3), a manifold assembly (4), and a buffer assembly (5). The filter screen (3) is vertically disposed in the water storage tank (2) and divides the water storage tank (2) into a clear water chamber (21) and a turbid water chamber (22). The inner wall of the clear water chamber (21) is provided with an outlet, and the top of the water storage tank (2) is provided with an inlet leading to the turbid water chamber (22). The inlet of the confluence assembly (4) is located on the roof (1) and is adapted to collect rainwater on the roof (1), and the outlet of the confluence assembly (4) is connected to the inlet. The buffer assembly (5) is located below the water inlet and connected to the inner wall of the turbid water chamber (22), and the buffer assembly (5) is capable of absorbing the kinetic energy carried by the water flow falling from the water inlet.
2. The ecological building rainwater harvesting and utilization device according to claim 1, characterized in that: The confluence assembly (4) includes a trough (41) and a downpipe (42). The trough (41) is located at the edge of the roof (1) and can collect rainwater sliding down from the roof (1). A downpipe hole is provided on the bottom of the trough (41). The top end of the downpipe (42) is connected to the downpipe hole, and the bottom end of the downpipe (42) is connected to the water inlet.
3. The ecological building rainwater harvesting and utilization device according to claim 2, characterized in that: The downpipe (42) has a foldable corrugated pipe section (421) on its body. When the corrugated pipe section (421) is extended, the bottom end of the downpipe (42) can be inserted into the water inlet.
4. The ecological building rainwater harvesting and utilization device according to claim 3, characterized in that: The buffer assembly (5) includes a buffer seat (51) and an elastic element (52). A groove (221) is provided on the side wall of the turbid water chamber (22) in the vertical direction. A slider is provided on one side of the buffer seat (51). The slider is inserted into the groove (221) and can slide along the groove (221). The elastic element (52) is disposed between the buffer seat (51) and the bottom wall of the turbid water chamber (22) and can apply an upward force to the buffer seat (51).
5. The ecological building rainwater harvesting and utilization device according to claim 4, characterized in that: The buffer assembly (5) also includes a sludge storage cylinder (53). The buffer seat (51) has a receiving groove adapted to the sludge storage cylinder (53). The cylinder body of the sludge storage cylinder (53) is inserted into the receiving groove, and the opening of the sludge storage cylinder (53) is not higher than the opening of the receiving groove.
6. The ecological building rainwater harvesting and utilization device according to claim 5, characterized in that: The buffer assembly (5) also includes a pull rope (54), one end of which is connected to the sludge storage cylinder (53), and the other end of which is provided with a hanging ring (541); The side wall of the turbid water chamber (22) is provided with a hook (222), and the hanging ring (541) is suspended on the hook (222).
7. The ecological building rainwater harvesting and utilization device according to claim 5, characterized in that: The top of the buffer seat (51) is provided with a scraper (511), which is located between the filter screen (3) and the sludge storage cylinder (53) and can abut against the filter screen (3).
8. The ecological building rainwater harvesting and utilization device according to claim 1, characterized in that: The outlet is equipped with a water tap (6).