Rainwater treatment and recovery device

Abstract

The utility model discloses a rainwater treatment and recovery device, including collecting water tank, the collecting water tank top is provided with the leakage hole cover, the collecting water tank top inboard fixed setting has the rainwater collection bucket, the rainwater collection bucket inboard installation has the filter basket, the rainwater collection bucket bottom center fixed setting has the water pipe, the collecting water tank inner wall fixed setting has the grid sieve, through the collocation setting of leakage hole cover, filter basket, rainwater collection bucket, water pipe, the part impurity of rainwater carrying is easy to enter the collection water tank and is collected when carrying out the rough filtration, through the collocation setting of grid sieve, quartz sand filter core, it is easy to filter the silt in rainwater, effectively reduce the silt deposition influence water storage of first water storage tank, second water storage tank inboard, through installing the filter mechanism in first water storage tank, second water storage tank inboard, make rainwater after quartz sand filter core filtration in first water storage tank, second water storage tank inboard water storage deposit when carrying out the fine filtration.

Description

Technical Field

[0001] This utility model relates to the field of rainwater reuse technology, and in particular to a rainwater treatment and recycling device. Background Technology

[0002] Rainwater reuse involves the direct collection, storage, and utilization of natural precipitation. Mature rainwater utilization technology comprises standardized products and modular equipment that integrate water collection, interception, filtration, storage, infiltration, lifting, reuse, and control. Initial rainwater undergoes multiple pretreatment stages to ensure its quality. The use of storage modules effectively guarantees water quality while being space-saving, simple and convenient to construct, and more environmentally friendly and safe.

[0003] However, existing equipment is prone to clogging during rainwater collection because rainwater carries some impurities. The single function of rainwater collection cannot meet the requirements for rainwater filtration and recycling. Summary of the Invention

[0004] To overcome the shortcomings of existing technologies, this utility model provides a rainwater treatment and recycling device. The combination of a perforated cover, a filter basket, a rainwater collection hopper, and a water inlet pipe facilitates the coarse filtration of some impurities carried by rainwater when it enters the collection tank. The combination of a mesh screen and a quartz sand filter element facilitates the filtration of silt and sand in the rainwater, effectively reducing the impact of silt and sand sedimentation on the water storage capacity inside the first and second water storage tanks. Furthermore, by installing a filtration mechanism inside the first and second water storage tanks, the rainwater undergoes fine filtration after being filtered by the quartz sand filter element and stored inside the first and second water storage tanks.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a rainwater treatment and recycling device, including a collection tank, a leak cover at the top of the collection tank, a rainwater collection hopper fixedly installed on the inner side of the top of the collection tank, a filter basket installed inside the rainwater collection hopper, a water inlet pipe fixedly installed at the center of the bottom end of the rainwater collection hopper, a mesh screen fixedly installed on the inner wall of the collection tank, a quartz sand filter element installed on the inner side of the collection tank at the top of the mesh screen, a sleeve installed at the center of the quartz sand filter element, the bottom end of the water inlet pipe extending through the sleeve to the inner side of the bottom end of the collection tank, a first water storage tank installed on one side of the collection tank, and a second water storage tank installed on one side of the first water storage tank. A disinfection tank is installed on one side of the water storage tank. A filtration mechanism is installed inside the first and second water storage tanks. The filtration mechanism consists of a filter screen, a filter grid, and a double-layer filter element. The top and center side surfaces of the collection tank and the first water storage tank are connected by a first return water pipe and a first connecting water pipe, respectively. The top and center side surfaces of the first and second water storage tanks are connected by a second return water pipe and a second connecting water pipe, respectively. A connected sewage pipe is installed at the sewage outlet at the bottom of the first and second water storage tanks. One side surface of the bottom of the collection tank is connected to the sewage pipe at the bottom of the first and second water storage tanks. A wastewater pipe is installed on the other side surface of the bottom of the collection tank.

[0006] As a preferred embodiment of this utility model, the tops of the first and second water storage tanks are bolted with top covers. A fixing ring is fixedly installed on the inner wall of the first and second water storage tanks. An annular locking block is fixedly installed on the top surface of the fixing ring. An annular groove is formed on the bottom surface of the mounting ring of the filter screen. The annular locking block is located inside the annular groove. A limiting ring is fixedly installed on the inner wall of the filter screen. The filter grid is installed on the top surface of the limiting ring. An activated carbon filter element is installed on the inner side of the filter screen at the bottom of the filter grid. A multi-layer filter membrane filter element is installed on the inner side of the filter screen at the top of the filter grid.

[0007] As a preferred technical solution of this utility model, electromagnetic water valves are installed on the surfaces of the sewage pipe, the wastewater pipe, the first return water pipe, the second return water pipe, the first connecting water pipe, and the second connecting water pipe, respectively. A third water pump, a first water pump, and a second water pump are respectively installed on the surfaces of the sewage pipe, the first connecting water pipe, and the second connecting water pipe.

[0008] As a preferred embodiment of this utility model, the surface of the center of one side of the second water storage tank is connected to the water inlet of the disinfection water tank through a water supply pipe, and a booster pump is installed on the surface of the water supply pipe.

[0009] As a preferred embodiment of this utility model, water level sensors are installed inside the collection tank, the first water storage tank, and the second water storage tank.

[0010] As a preferred embodiment of this utility model, the bottom surface of the water pipe is provided with uniformly distributed circular holes.

[0011] Compared with the prior art, the beneficial effects that this utility model can achieve are:

[0012] 1. The combination of a drain cover, filter basket, rainwater collection hopper, and water pipe facilitates the coarse filtration of some impurities carried by rainwater when they enter the collection tank. The combination of a mesh screen and a quartz sand filter element facilitates the filtration of silt in the rainwater, effectively reducing the impact of silt sedimentation on the water storage capacity inside the first and second water storage tanks. By installing a filtration mechanism inside the first and second water storage tanks, the rainwater undergoes fine filtration after being filtered by the quartz sand filter element and stored inside the first and second water storage tanks.

[0013] 2. By installing a third water pump, a first water pump, and a second water pump on the surfaces of the sewage pipe, the first connecting water pipe, and the second connecting water pipe respectively, it is convenient to collect rainwater inside the water tank and pump it into the first water storage tank for filtration and storage, to facilitate the pumping of water from the first water storage tank into the second water storage tank for filtration and storage, and to facilitate the discharge of sewage from the first and second water storage tanks. Through the combination of a disinfection tank and a booster pump, it is convenient for the water filtered inside the second water storage tank to enter the disinfection tank for disinfection and then be used in people's daily lives. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall cross-sectional structure of this utility model.

[0015] Figure 2 This is a top view schematic diagram of the filter grid structure of this utility model.

[0016] Figure 3 This is a bottom view of the filter screen structure of this utility model.

[0017] Figure 4 This is a top view cross-sectional structural diagram of the quartz sand filter element of this utility model.

[0018] The components include: 1. Collection tank; 2. First storage tank; 3. Second storage tank; 4. Disinfection tank; 5. Sewage pipe; 6. Wastewater pipe; 7. Leakage cover; 8. Filter basket; 9. Rainwater collection hopper; 10. Water inlet pipe; 11. Grid screen; 12. Quartz sand filter element; 13. Lifting pump; 14. First return water pipe; 15. Second return water pipe; 16. First connecting water pipe; 17. First water pump; 18. Second connecting water pipe; 19. Second water pump; 20. Third water pump; 21. Fixing ring; 22. Filter screen; 23. Filter grid; 24. Limiting ring; 25. Annular groove; 26. Sleeve. Detailed Implementation

[0019] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation are all within the protection scope of this utility model without creative effort.

[0020] For an example, please refer to... Figure 1 , Figure 2 , Figure 3 As shown, this utility model provides a rainwater treatment and recycling device, including a collection tank 1, a drain cover 7 at the top of the collection tank 1, a rainwater collection hopper 9 fixedly installed on the inner side of the top of the collection tank 1, a filter basket 8 installed inside the rainwater collection hopper 9, a water inlet pipe 10 fixedly installed at the center of the bottom of the rainwater collection hopper 9, a mesh screen 11 fixedly installed on the inner wall of the collection tank 1, a quartz sand filter element 12 installed on the inner side of the collection tank 1 at the top of the mesh screen 11, and a sleeve 26 installed at the center of the quartz sand filter element 12. The bottom end of the water pipe 10 extends through the sleeve 26 to the inner side of the bottom end of the collecting water tank 1. A first water storage tank 2 is installed on one side of the collecting water tank 1, a second water storage tank 3 is installed on one side of the first water storage tank 2, and a disinfection water tank 4 is installed on one side of the second water storage tank 3. A filtration mechanism is installed inside the first water storage tank 2 and the second water storage tank 3. The filtration mechanism consists of a filter screen 22, a filter grid 23, and a double-layer filter element. The top and center surfaces of the collecting water tank 1 and the first water storage tank 2 are respectively connected by a first return water pipe 14 and a first connecting water pipe. 16. The top and center surfaces of the first water storage tank 2 and the second water storage tank 3 are connected by the second return water pipe 15 and the second connecting water pipe 18, respectively. The drain outlets at the bottom of the first water storage tank 2 and the second water storage tank 3 are connected by the sewage drain pipe 5. One side of the bottom surface of the collection tank 1 is connected to the sewage drain pipe 5 at the bottom of the first water storage tank 2 and the second water storage tank 3. The other side of the bottom surface of the collection tank 1 is equipped with a wastewater pipe 6. The system is connected by a drain cover 7, a filter basket 8, a rainwater collection hopper 9, and a water inlet pipe 1. The combination of 0 and 12 facilitates the coarse filtration of some impurities carried by rainwater when it enters the collection tank 1. The combination of mesh screen 11 and quartz sand filter element 12 facilitates the filtration of mud and sand in the rainwater, effectively reducing the impact of mud and sand sedimentation on the water storage capacity inside the first water storage tank 2 and the second water storage tank 3. By installing a filtration mechanism inside the first water storage tank 2 and the second water storage tank 3, the rainwater undergoes fine filtration after being filtered by the quartz sand filter element 12 and stored inside the first water storage tank 2 and the second water storage tank 3.

[0021] like Figure 2As shown, the tops of the first water storage tank 2 and the second water storage tank 3 are bolted to the top. A fixing ring 21 is fixedly installed on the inner wall of the first water storage tank 2 and the second water storage tank 3. An annular locking block is fixedly installed on the top surface of the fixing ring 21. An annular groove 25 is opened on the bottom surface of the mounting ring of the filter screen 22. The annular locking block is located inside the annular groove 25. A limiting ring 24 is fixedly installed on the inner wall of the filter screen 22. A filter grid 23 is installed on the top surface of the limiting ring 24. An activated carbon filter element is installed on the inner side of the filter screen 22 at the bottom of the filter grid 23. A multi-layer filter membrane filter element is installed on the inner side of the filter screen 22 at the top of the filter grid 23. The combination of the activated carbon filter element and the multi-layer filter membrane filter element makes rainwater filtration more efficient.

[0022] like Figure 1 As shown, electromagnetic water valves are installed on the surfaces of the sewage pipe 5, the wastewater pipe 6, the first return water pipe 14, the second return water pipe 15, the first connecting water pipe 16, and the second connecting water pipe 18. A third water pump 20, a first water pump 17, and a second water pump 19 are respectively installed on the surfaces of the sewage pipe 5, the first connecting water pipe 16, and the second connecting water pipe 18. By installing the third water pump 20, the first water pump 17, and the second water pump 19 on the surfaces of the sewage pipe 5, the first connecting water pipe 16, and the second connecting water pipe 18, it is convenient to collect rainwater inside the water tank 1 and pump it into the first water storage tank 2 for filtration and storage, to conveniently pump water inside the first water storage tank 2 into the second water storage tank 3 for filtration and storage, and to conveniently discharge sewage from the inside of the first water storage tank 2 and the second water storage tank 3.

[0023] like Figure 1 As shown, the surface of the center of one side of the second water storage tank 3 is connected to the inlet of the disinfection water tank 4 through a water supply pipe, and a lifting water pump 13 is installed on the surface of the water supply pipe. The combination of the disinfection water tank 4 and the lifting water pump 13 facilitates the water filtered inside the second water storage tank 3 to enter the disinfection water tank 4 for disinfection and then be used in people's daily lives.

[0024] like Figure 1 As shown, water level sensors are installed inside the collection tank 1, the first water storage tank 2, and the second water storage tank 3. By installing water level sensors inside the collection tank 1, the first water storage tank 2, and the second water storage tank 3, it is convenient to control the water level inside the collection tank 1, the first water storage tank 2, and the second water storage tank 3.

[0025] like Figure 1 As shown, the bottom surface of the water inlet pipe 10 is uniformly provided with round holes; by uniformly providing round holes on the bottom surface of the water inlet pipe 10, the problem of blocked holes and poor drainage at the bottom of the water inlet pipe 10 is effectively reduced.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A rainwater treatment and recycling device, comprising a water collection tank (1), characterized in that: The top of the water collection tank (1) is provided with a drain cover (7). A rainwater collection hopper (9) is fixedly installed on the inner side of the top of the water collection tank (1). A filter basket (8) is installed on the inner side of the rainwater collection hopper (9). A water inlet pipe (10) is fixedly installed at the center of the bottom end of the rainwater collection hopper (9). A mesh screen (11) is fixedly installed on the inner wall of the water collection tank (1). A quartz sand filter element (12) is installed on the inner side of the water collection tank (1) at the top of the mesh screen (11). A sleeve (26) is provided at the center of the quartz sand filter element (12). The bottom end of the water inlet pipe (10) extends through the sleeve (26) to the inner side of the bottom end of the water collection tank (1). A first water storage tank (2) is provided on one side of the water collection tank (1). A second water storage tank (3) is provided on one side of the first water storage tank (2). A disinfection water tank (4) is provided on one side of the second water storage tank (3). The first water tank (2) and the second water tank (3) are equipped with a filtration mechanism. The filtration mechanism consists of a filter screen (22), a filter grid (23) and a double-layer filter element. The top and center side surfaces of the collection tank (1) and the first water tank (2) are connected by a first return water pipe (14) and a first connecting water pipe (16), respectively. The top and center side surfaces of the first water tank (2) and the second water tank (3) are connected by a second return water pipe (15) and a second connecting water pipe (18), respectively. The sewage outlets at the bottom of the first water tank (2) and the second water tank (3) are equipped with connected sewage pipes (5). One side surface at the bottom of the collection tank (1) is connected to the sewage pipe (5) at the bottom of the first water tank (2) and the second water tank (3). The other side surface at the bottom of the collection tank (1) is provided with a wastewater pipe (6).

2. The rainwater treatment and recycling device according to claim 1, characterized in that: The first water tank (2) and the second water tank (3) are fitted with top covers by bolts. The inner walls of the first water tank (2) and the second water tank (3) are fixed with fixing rings (21). The top surface of the fixing ring (21) is fixed with an annular locking block. The bottom surface of the mounting ring of the filter screen (22) is provided with an annular slot (25). The annular locking block is located inside the annular slot (25). The inner wall of the filter screen (22) is fixed with a limiting ring (24). The filter grid (23) is installed on the top surface of the limiting ring (24). The bottom of the filter grid (23) and the inner side of the filter screen (22) are fitted with activated carbon filter elements. The top of the filter grid (23) and the inner side of the filter screen (22) are fitted with multi-layer filter membrane filter elements.

3. The rainwater treatment and recycling device according to claim 1, characterized in that: Electromagnetic water valves are installed on the surfaces of the sewage pipe (5), the wastewater pipe (6), the first return water pipe (14), the second return water pipe (15), the first connecting water pipe (16), and the second connecting water pipe (18). A third water pump (20), a first water pump (17), and a second water pump (19) are respectively installed on the surfaces of the sewage pipe (5), the first connecting water pipe (16), and the second connecting water pipe (18).

4. The rainwater treatment and recycling device according to claim 1, characterized in that: The surface of the center of one side of the second water storage tank (3) is connected to the water inlet of the disinfection water tank (4) through a water supply pipe, and a lifting water pump (13) is installed on the surface of the water supply pipe.

5. A rainwater treatment and recycling device according to claim 1, characterized in that: Water level sensors are installed inside the water collection tank (1), the first water storage tank (2), and the second water storage tank (3).

6. A rainwater treatment and recycling device according to claim 1, characterized in that: The bottom surface of the water pipe (10) is uniformly provided with round holes.

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