A purification device for rainwater collection

Abstract

The utility model discloses a kind of purification devices for rainwater collection, including water collecting tank, the one end of water collecting tank is provided with flow director, the bottom of flow director is provided with water outlet pipe, the upper surface of flow director is fixedly installed with filter cover, one side of flow director is provided with connecting portion, the top middle part of connecting portion is fixedly installed with threaded sleeve.The utility model is composed of multistage filtration system by setting filter cover, filter screen, sinking part, filter barrel, covers all grain size pollutants, water flow path optimization avoids secondary pollution, and simplifies design on structure, without complex electric control element, with localization material, modular assembly, low in cost, all components are detachable, maintenance is convenient, installation is flexible, can be installed on roof, outer wall, multiple water tanks can be extended, can relieve water pressure, reduce non-point source pollution, with ecological and economic benefits, adapt to rural and arid areas.

Description

Technical Field

[0001] This utility model relates to the field of water resource utilization technology, specifically to a rainwater collection and purification device. Background Technology

[0002] Rainwater harvesting and purification systems are devices used to collect, filter, purify, and store natural rainwater for secondary use. Their core function is to remove impurities and pollutants from rainwater through multi-stage treatment, bringing it up to specific water use standards (such as for irrigation, car washing, toilet flushing, and other non-potable applications), thereby achieving water resource recycling, alleviating urban water supply pressure, and reducing rainwater runoff pollution.

[0003] Existing urban rainwater harvesting and purification systems (such as systems with multi-stage filtration and intelligent control) typically cost tens of thousands of yuan per unit, and ongoing maintenance such as filter replacement and pipe cleaning requires continuous investment. Therefore, these costly and complex rainwater harvesting and purification systems are not entirely suitable for rural areas. Thus, a new rainwater harvesting and purification system needs to be designed for remote or arid regions.

[0004] Therefore, it is necessary to invent a rainwater collection and purification device to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a rainwater collection and purification device to address the aforementioned shortcomings in the technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a rainwater collection and purification device, including a water collection tank, a guide valve at one end of the water collection tank, a water outlet pipe at the bottom of the guide valve, a filter cover fixedly installed on the upper surface of the guide valve, a connecting part on one side of the guide valve, and a threaded sleeve fixedly installed at the top middle part of the connecting part. A funnel is provided at one end of the water collection tank, the upper surface of the funnel is inclined, and a filter screen is fixedly installed on the upper surface of the funnel. A water receiving pipe is provided below the funnel, and a conveying pipe is installed on one side above the water receiving pipe. The outlet of the conveying pipe is connected to a filter bucket, and multiple rainwater tanks are provided on one side of the filter bucket.

[0007] As a preferred embodiment of this utility model, the water collection trough is fixedly installed at the eaves, and a placement groove is opened at one end of the water collection trough. The guide is located in the placement groove, and the water outlet pipe at the lower end of the guide passes through the bottom of one end of the water collection trough and corresponds to the funnel.

[0008] As a preferred embodiment of this utility model, a positioning pin is fixedly installed on one side of the top of the water collection tank, and insertion holes adapted to the positioning pin are opened at both ends of the top of the connecting part of the guide, and a support rod is threadedly installed at the bottom of the threaded sleeve.

[0009] As a preferred embodiment of this utility model, the upper inlet of the water receiving pipe is connected to the lower outlet of the funnel, the lower end of the water receiving pipe is provided with a sinking part, the bottom of the sinking part is provided with a drain outlet, and the drain outlet is sealed by a bottom cover.

[0010] As a preferred embodiment of this utility model, the conveying pipe is located near the top of the water inlet pipe, the water outlet of the conveying pipe is connected to the water inlet at the top of the filter bucket, and the filter bucket is filled with filter materials such as activated carbon and quartz sand.

[0011] As a preferred embodiment of this utility model, the multiple rainwater tanks are connected in sequence by conduits, the lower end of the filter bucket is connected to one of the rainwater tanks by a conduit, and the funnel and the water receiving pipe are both fixed to the outer wall of the wall by mounting components.

[0012] The technical effects and advantages provided by this utility model in the above technical solution are as follows: 1. By setting up a multi-stage filtration system consisting of a filter cover, filter screen, sink, and filter canister, it covers pollutants of all particle sizes. The water flow path is optimized to avoid secondary pollution. The structure is simplified, with no complex electronic control components. It uses local materials and modular assembly, resulting in low cost. All components are detachable, making maintenance convenient. It is flexible in installation and can be installed on rooftops or exterior walls. Multiple water tanks can expand the system. It can alleviate water pressure, reduce non-point source pollution, and has both ecological and economic benefits. It is suitable for rural and arid areas. Attached Figure Description

[0013] 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.

[0014] Figure 1 This is a first-view perspective perspective view of the overall structure of this utility model; Figure 2 This is a second-view perspective perspective view of the overall structure of this utility model; Figure 3 This is an exploded view of the overall structure of this utility model; Figure 4 This is a perspective view of the flow guide of this utility model; Figure 5 This utility model Figure 3 Enlarged view of area A.

[0015] Explanation of reference numerals in the attached figures: 1. Water collection tank; 11. Positioning pin; 2. Flow guide; 21. Water outlet pipe; 22. Connecting part; 23. Insertion hole; 24. Filter cover; 25. Threaded sleeve; 26. Support rod; 3. Funnel; 31. Filter screen; 4. Water inlet pipe; 41. Sinking part; 5. Delivery pipe; 6. Filter barrel; 7. Rainwater tank. Detailed Implementation

[0016] 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.

[0017] This utility model provides, for example Figure 1-5 The rainwater collection and purification device shown includes a water collection tank 1, a guide 2 is provided at one end of the water collection tank 1, a water outlet pipe 21 is provided at the bottom of the guide 2, a filter cover 24 is fixedly installed on the upper surface of the guide 2, a connecting part 22 is provided on one side of the guide 2, and a threaded sleeve 25 is fixedly installed at the top middle part of the connecting part 22. A funnel 3 is provided at the bottom of one end of the water collection tank 1. The upper surface of the funnel 3 is inclined, and a filter screen 31 is fixedly installed on the upper surface of the funnel 3. A water receiving pipe 4 is installed below the funnel 3, and a conveying pipe 5 is installed on one side above the water receiving pipe 4. The outlet of the conveying pipe 5 is connected to a filter bucket 6, and multiple rainwater tanks 7 are installed on one side of the filter bucket 6.

[0018] In this embodiment, the guide 2 is hollow inside, with a water outlet pipe 21 at the bottom, a filter cover 24 fixed on the upper surface, a connecting part 22 and a threaded sleeve 25 on the side, and the bottom connected to the support rod 26 through the threaded sleeve. The filter cover 24 is a stainless steel mesh with a mesh size of 2-5mm, which intercepts large particles such as leaves and insects to prevent clogging of subsequent pipes. The water outlet pipe 21 is precisely aligned with the funnel 3 to ensure that rainwater falls vertically, reducing impact and splashing. The filter screen 31 is designed to filter smaller suspended particles such as clumps of mud and petals, and its inclined surface accelerates the water flow, reducing impurity retention and accumulation.

[0019] Furthermore, in the above technical solution, the water collection trough 1 is fixedly installed at the eaves, and a placement groove is opened at one end of the water collection trough 1. The guide 2 is located in the placement groove, and the water outlet pipe 21 at the lower end of the guide 2 passes through the bottom of one end of the water collection trough 1 and corresponds to the funnel 3.

[0020] Furthermore, in the above technical solution, a positioning pin 11 is fixedly installed on one side of the top of the water collection tank 1, and the top two ends of the connecting part 22 of the flow guide 2 are provided with insertion holes 23 that are compatible with the positioning pin 11, and a support rod 26 is threadedly installed at the bottom of the threaded sleeve 25.

[0021] In this embodiment, the water collection trough 1 is fixedly installed at the eaves, with an opening at the top to collect rainwater and a placement groove at one end to embed the guide device 2. The inclined design of the water collection trough 1 guides rainwater to quickly flow into the guide device 2, the placement groove ensures the guide device 2 is installed in a precise position, and the cooperation between the positioning pin 11 and the insertion hole 23 enhances structural stability, can withstand strong winds and other severe weather, and is suitable for long-term outdoor use. The threaded sleeve 25 is connected to the support rod 26, so that the guide device 2 can be easily removed from the water collection trough 1 and quickly installed through the support rod 26, avoiding the need to climb to the top to clean the impurities attached to the filter cover 24.

[0022] Furthermore, in the above technical solution, the upper inlet of the water pipe 4 is connected to the lower outlet of the funnel 3, and the lower end of the water pipe 4 is provided with a sinking part 41. The bottom of the sinking part 41 is provided with a drain outlet, and the drain outlet is sealed by a bottom cover.

[0023] In this embodiment, the recessed part 41 of the water inlet pipe 4 is inverted cone-shaped, which utilizes the difference in water flow velocity to allow heavy pollutants such as silt and metal fragments to settle naturally. The bottom drain port is easy to clean regularly without tools; simply unscrew the bottom cover. The position of the delivery pipe 5 is designed to be relatively high, allowing the delivery pipe 5 to draw water from a high position, preventing bottom silt from entering the filter bucket 6, extending the service life of the filter media, and reducing the risk of clogging.

[0024] Furthermore, in the above technical solution, the delivery pipe 5 is located near the top of the water inlet pipe 4, the outlet port of the delivery pipe 5 is connected to the inlet port at the top of the filter bucket 6, and the filter bucket 6 is filled with filter materials such as activated carbon and quartz sand.

[0025] In this embodiment, the quartz sand in the filter tank 6 filters out fine particles such as colloids and microorganisms, while the activated carbon adsorbs organic matter, odors, and heavy metal ions, ensuring that the water quality meets the standards for non-drinking water. The filter tank 6 is connected to the delivery pipe 5 by a flange or flexible hose clamp, allowing the tank to be disassembled separately. When replacing the filter media, it is not necessary to disassemble the entire pipeline, making the operation simple.

[0026] Furthermore, in the above technical solution, multiple rainwater tanks 7 are connected sequentially via conduits. The lower end of the filter bucket 6 is connected to one rainwater tank 7 via a conduit. The funnel 3 and the water inlet pipe 4 are both fixed to the outer wall of the building using mounting hardware. The number of rainwater tanks 7 can be expanded according to water consumption, enhancing emergency water storage capacity in arid regions. The rainwater tanks 7 can be suspended from the outer wall or placed on the ground, without occupying indoor space, making them suitable for rural courtyards or mountainous terrain.

[0027] The working process of the rainwater collection and purification device provided by this utility model is as follows: Rainwater collects through the top opening of the collection trough 1 and flows along the inclined trough to the guide 2. The filter cover 24 on the upper surface of the guide 2, with its stainless steel mesh, intercepts large particles such as leaves and insects. The preliminarily purified rainwater then flows vertically from the outlet pipe 21 through the hollow cavity inside the guide 2 into the inclined filter screen 31 of the funnel 3. The filter screen 31 on the inclined surface of the funnel 3 filters out smaller suspended solids such as clumps of mud and petals. The inclined design accelerates the water flow and reduces impurity adhesion. Afterward, the rainwater flows from the lower end of the funnel 3 into the receiving pipe 4. In the lower section 41, due to the reduced flow velocity, heavy pollutants such as mud, metal fragments, etc., settle at the inverted conical bottom. Because the connection point of the delivery pipe 5 is close to the top of the receiving pipe 4, only the upper layer of clean water flows into the filter bucket 6, preventing the bottom layer of mud and sand from being drawn in.

[0028] Rainwater enters the filter tank 6 through the delivery pipe 5, where it passes through a quartz sand layer to filter fine particles, a microorganism layer, and an activated carbon layer to adsorb organic matter, odors, and heavy metals, completing deep purification. The purified rainwater flows from the bottom of the filter tank into the rainwater tank 7. Multiple tanks can be connected in series via conduits to increase storage capacity. In arid regions, valves can be used to control the priority storage in the final tank as an emergency water source.

[0029] After each heavy rain, the threaded sleeve 25 must be loosened using the support rod 26 to remove the guide tube 2 from the water collection tank 1, and the filter cover 24 and funnel filter screen 31 must be removed and rinsed with clean water to remove impurities. The bottom cover of the sink 41 must also be unscrewed to remove the deposited mud and sand, rinsed, and then resealed.

[0030] 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 rainwater collection and purification device, comprising a water collection tank (1), characterized in that: A guide (2) is provided at one end of the water collection tank (1), a water outlet pipe (21) is provided at the bottom of the guide (2), a filter cover (24) is fixedly installed on the upper surface of the guide (2), a connecting part (22) is provided on one side of the guide (2), and a threaded sleeve (25) is fixedly installed at the top middle part of the connecting part (22). A funnel (3) is provided below one end of the water collection tank (1). The upper surface of the funnel (3) is inclined, and a filter screen (31) is fixedly installed on the upper surface of the funnel (3). A water receiving pipe (4) is provided below the funnel (3), and a conveying pipe (5) is installed on one side above the water receiving pipe (4). A filter bucket (6) is connected to the water outlet of the conveying pipe (5), and multiple rainwater tanks (7) are provided on one side of the filter bucket (6).

2. The rainwater collection and purification device according to claim 1, characterized in that: The water collection trough (1) is fixedly installed at the eaves. A placement groove is opened at one end of the water collection trough (1). The guide (2) is located in the placement groove. The water outlet pipe (21) at the lower end of the guide (2) passes through the bottom of one end of the water collection trough (1) and corresponds to the funnel (3).

3. The rainwater collection and purification device according to claim 1, characterized in that: A positioning pin (11) is fixedly installed on one side of the top of the water collection tank (1). Both ends of the top of the connecting part (22) of the guide (2) are provided with insertion holes (23) that are compatible with the positioning pin (11). A support rod (26) is threadedly installed at the bottom of the threaded sleeve (25).

4. The rainwater collection and purification device according to claim 1, characterized in that: The upper inlet of the water receiving pipe (4) is connected to the lower outlet of the funnel (3). The lower end of the water receiving pipe (4) is provided with a sinking part (41). The bottom of the sinking part (41) is provided with a sewage outlet, which is sealed by a bottom cover.

5. A rainwater collection and purification device according to claim 1, characterized in that: The delivery pipe (5) is located near the top of the water inlet pipe (4). The outlet port of the delivery pipe (5) is connected to the inlet port at the top of the filter bucket (6). The filter bucket (6) is filled with activated carbon and quartz sand filter materials.

6. A rainwater collection and purification device according to claim 1, characterized in that: The multiple rainwater tanks (7) are connected in sequence by conduits. The lower end of the filter bucket (6) is connected to one of the rainwater tanks (7) by a conduit. The funnel (3) and the water inlet pipe (4) are both fixed to the outer wall of the wall by mounting components.

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