Drip irrigation and liquid return integrated device

Abstract

The utility model discloses a kind of drip irrigation and liquid return integrated device, including water and fertilizer tank, drip irrigation pipeline and reflux pipeline, the water and fertilizer tank top transverse drip irrigation pipeline is provided, and the surface of drip irrigation pipeline is equipped with proportional pump;In the utility model, the water and fertilizer tank with drip irrigation pipeline and reflux pipeline is provided, the leaching solution collecting hopper set by corresponding drip irrigation nozzle, directly solve the problem of traditional device "no collection structure, no recycling transport mechanism". The large opening design of horn-shaped collecting hopper improves collection efficiency, even the dispersed leaching solution seeping out of potting pot bottom can be effectively captured;Reflux pipeline cooperates with pressure pump to realize directional transport, avoid the problem that leaching solution directly loses in traditional device, especially in large-scale planting, long-term accumulated water and fertilizer waste can be greatly reduced. The upper layer activated carbon filter screen in leaching solution collecting hopper, lower layer activated carbon filter screen and fiber ball filter material constitute three-stage filtration structure, remove substrate residue, impurities and part of pollutants in leaching solution.

Description

Technical Field

[0001] This utility model relates to the field of drip irrigation technology, and in particular to an integrated drip irrigation and liquid return device. Background Technology

[0002] In agricultural planting and potted plant cultivation, drip irrigation technology is widely used because it enables the targeted delivery of water and fertilizer. Traditional drip irrigation devices typically consist of a liquid storage container, delivery pipes, and drip irrigation nozzles. Its core function is to deliver the water and fertilizer solution through the pipes to the drip irrigation nozzles, and then the nozzles drip the water and fertilizer onto the substrate around the plant roots.

[0003] However, traditional drip irrigation systems have significant technical drawbacks: they cannot recycle excess water and fertilizer leachate. In practical applications, to ensure that plant roots fully absorb nutrients, drip irrigation often requires delivering a certain amount of excess water and fertilizer solution. Taking potted plants as an example, when the water and fertilizer solution is dripped onto the substrate, some of the solution is absorbed by the plant roots, while the excess solution seeps into the substrate and flows out from the bottom of the pot. This outflowing leachate still contains a certain proportion of available nutrients. Traditional systems lack both a corresponding collection structure and a recycling and delivery mechanism, resulting in the direct loss of this water and fertilizer. Especially in large-scale planting scenarios, the long-term accumulated waste is enormous and may also cause secondary problems: if the outflowing leachate is directly discharged into the environment, it may lead to ecological problems such as soil salinization and water pollution in the planting area; at the same time, to compensate for the lost nutrients, growers need to frequently replenish water and fertilizer, increasing planting costs and operational burdens.

[0004] To address this issue, an integrated drip irrigation and liquid return device is proposed, which has the advantages of leachate filtration and recovery, thereby solving the problems mentioned in the background technology. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an integrated drip irrigation and liquid return device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an integrated drip irrigation and return device, comprising a water and fertilizer tank, a drip irrigation pipe, and a return pipe. A drip irrigation pipe is horizontally arranged above the water and fertilizer tank, and a proportioning pump is installed on the surface of the drip irrigation pipe. Several drip irrigation nozzles are evenly spaced at the right end of the drip irrigation pipe. The interior of the drip irrigation pipe is divided into a water and fertilizer storage chamber and a leachate collection chamber by a partition. A liquid extraction conduit is installed at the bottom of the proportioning pump, and the lower end of the liquid extraction conduit extends through the water and fertilizer tank into the water and fertilizer storage chamber. A flange joint is installed on the lower surface of the water and fertilizer tank, penetrating the leachate collection chamber. One end of the flange joint is connected to the return pipe via a flange. Several leachate collection hoppers are detachably installed on the surface of the return pipe corresponding to the drip irrigation nozzles. Each leachate collection hopper has an upper activated carbon filter and a lower activated carbon filter installed sequentially from top to bottom. Fiber ball filter media is filled between the upper and lower activated carbon filters. A pressure pump is installed on the surface of the return pipe.

[0007] As a further description of the above technical solution: a liquid guide pipe is connected between the water and fertilizer storage chamber and the leachate collection chamber, and a liquid pump is installed on the surface of the liquid guide pipe, and one end of the liquid guide pipe extends to the bottom of the inner side of the leachate collection chamber.

[0008] As a further description of the above technical solution: a first feed nozzle is provided on the right side of the top surface of the water and fertilizer tank corresponding to the water and fertilizer storage cavity, and a second feed nozzle is provided on the left side of the top surface of the water and fertilizer tank corresponding to the leachate collection cavity. Both the first feed nozzle and the second feed nozzle are threaded with sealing caps.

[0009] As a further description of the above technical solution: a number of installation nozzles are installed at equal intervals on the surface of the return pipe, and the number of installation nozzles corresponds one-to-one with a number of leachate collection hoppers. Each installation nozzle is provided with an internal thread and a sealing ring. The bottom of the leachate collection hopper is provided with a threaded joint, and the threaded joint is threadedly connected to the installation nozzle.

[0010] As a further description of the above technical solution: the drip irrigation nozzle is located directly above the leachate collection hopper, the leachate collection hopper is generally funnel-shaped, and the large opening at the top of the leachate collection hopper faces the drip irrigation nozzle.

[0011] As a further description of the above technical solution: the top surface of the water and fertilizer tank is provided with a clearance hole corresponding to the liquid extraction conduit, and the clearance hole is connected to the water and fertilizer storage cavity; the side surface of the water and fertilizer tank is fitted with a strip-shaped tempered glass corresponding to the water and fertilizer storage cavity.

[0012] This utility model has the following beneficial effects: This invention features a water and fertilizer tank with drip irrigation and return pipes. A leachate collection hopper corresponding to the drip irrigation nozzle directly addresses the problems of traditional devices lacking a collection structure and recycling mechanism. The large opening of the funnel-shaped collection hopper improves collection efficiency, effectively capturing even dispersed leachate seeping from the bottom of potted plants. The return pipe, combined with a pressure pump, enables directional transport, preventing direct loss of leachate in traditional devices. This significantly reduces long-term water and fertilizer waste, especially in large-scale planting. The leachate collection hopper contains a three-stage filtration structure consisting of an upper activated carbon filter, a lower activated carbon filter, and fiber ball filter media. This removes matrix residues, impurities, and some pollutants from the leachate, solving the problem of direct leachate discharge leading to soil salt accumulation and water pollution in traditional devices. The purified leachate can be safely reused in the water and fertilizer cycle, reducing environmental impact. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the external structure of an integrated drip irrigation and liquid return device according to the present invention; Figure 2 This is a schematic diagram of the internal structure of an integrated drip irrigation and liquid return device according to the present invention; Figure 3 A schematic diagram of the reflux pipe and leachate collection hopper; Figure 4 This is a 3D diagram of the water and fertilizer tank.

[0014] Legend: 1. Water and fertilizer tank; 2. Drip irrigation pipeline; 3. Return pipeline; 4. Proportional pump; 5. Drip irrigation nozzle; 6. Booster pump; 7. Leachate collection hopper; 8. Tempered glass; 9. First feed nozzle; 10. Second feed nozzle; 11. Liquid guide pipe; 12. Liquid pump; 13. Water and fertilizer storage chamber; 14. Leachate collection chamber; 15. Liquid extraction guide pipe; 16. Upper activated carbon filter screen; 17. Lower activated carbon filter screen; 18. Fiber ball filter media; 19. Mounting nozzle; 20. Threaded joint; 21. Clearance hole; 22. Flange joint. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] According to an embodiment of the present invention, an integrated drip irrigation and liquid return device is provided.

[0017] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4 As shown, an integrated drip irrigation and return device according to an embodiment of the present invention includes a water and fertilizer tank 1, a drip irrigation pipe 2, and a return pipe 3. The drip irrigation pipe 2 is horizontally arranged above the water and fertilizer tank 1, and a proportioning pump 4 is installed on the surface of the drip irrigation pipe 2. Several drip irrigation nozzles 5 are evenly spaced on the right end of the drip irrigation pipe 2. The interior of the drip irrigation pipe 2 is divided by a partition into a water and fertilizer storage chamber 13 and a leachate collection chamber 14. A liquid extraction conduit 15 is installed at the bottom of the proportioning pump 4, and the lower end of the liquid extraction conduit 15 extends through the water and fertilizer tank 1 into the water and fertilizer storage chamber 13. A liquid extraction conduit 15 is installed on the lower surface of the water and fertilizer tank 1, penetrating the leachate collection chamber 14. The device has a flange joint 22, one end of which is connected to a return pipe 3 via a flange. Several leachate collection hoppers 7 are detachably installed on the surface of the return pipe 3, corresponding to the drip irrigation nozzles 5. Each leachate collection hopper 7 has an upper activated carbon filter 16 and a lower activated carbon filter 17 installed sequentially from top to bottom. Fiber ball filter media 18 is filled between the upper and lower activated carbon filter screens 16 and 17. A pressure pump 6 is installed on the surface of the return pipe 3. The water and fertilizer tank 1 serves as the "central container" of the entire device, with the horizontally mounted drip irrigation pipe 2 above it performing the crucial functions of water and fertilizer delivery and drip irrigation. To precisely control the output of water and fertilizer, a proportioning pump 4 is specially installed on the surface of the drip irrigation pipe 2. Several drip irrigation nozzles 5 are evenly distributed at the right end of the drip irrigation pipe 2, allowing water and fertilizer to be evenly dripped onto the target area. It is worth noting that the interior of the drip irrigation pipe 2 is cleverly divided into two independent chambers by a partition—the water and fertilizer storage chamber 13 and the leachate collection chamber 14. This dual-chamber design physically isolates the water and fertilizer delivery from the leachate storage, preventing cross-contamination. The bottom of the proportional pump 4 is connected to a liquid extraction conduit 15, the lower end of which passes through the water and fertilizer tank 1 and reaches the interior of the water and fertilizer storage chamber 13, ensuring stable extraction of water and fertilizer. A flange joint 22 is installed on the lower surface of the water and fertilizer tank 1, communicating with the leachate collection chamber 14. A return pipe 3 connected by the flange guides the collected leachate back. A leachate collection hopper 7 is detachably installed on the surface of the pipe corresponding to each drip irrigation nozzle 5. These collection hoppers efficiently recover unabsorbed water and fertilizer. Each leachate collection hopper 7 employs a double-layer filtration design, with an upper activated carbon filter 16 and a lower activated carbon filter 17 installed sequentially from top to bottom. The fiber ball filter media 18 filling the space between the two filter layers further adsorbs impurities. Through the three-stage filtration of "double-layer filter + fiber ball", the leachate can be effectively purified. The pressure pump 6 on the surface of the return pipe 3 provides power for the transport of the leachate, ensuring a smooth recovery process. The proportional pump 4, pressure pump 6, and liquid pump 12 are controlled by manual start and stop switches. The wiring diagram of the power components and the power supply are common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and wiring layout will not be explained in detail here. Please refer to Figure 1 , Figure 2 and Figure 4 A liquid guide pipe 11 connects the water and fertilizer storage chamber 13 and the leachate collection chamber 14. A liquid pump 12 is installed on the surface of the liquid guide pipe 11, and one end of the liquid guide pipe 11 extends to the bottom of the inner side of the leachate collection chamber 14. The water and fertilizer storage chamber 13 and the leachate collection chamber 14 are not completely independent; they are connected through the liquid guide pipe 11. The liquid pump 12 on the surface of the liquid guide pipe 11 can pump the purified leachate from the leachate collection chamber 14 to the water and fertilizer storage chamber 13, forming a recyclable water and fertilizer utilization system. Specifically, the liquid guide pipe 11 extends to the bottom of the inner side of the leachate collection chamber 14, which maximizes the removal of leachate from the bottom of the collection chamber, reducing residue and waste. Before recycling the water and fertilizer leachate, the nutrient concentration of the influencing substances needs to be measured using a testing instrument (e.g., a multi-parameter analyzer for salinity / pH / EC) to allow for the addition of appropriate nitrogen, phosphorus, and potassium, achieving reuse.

[0018] Please refer to Figure 1 and Figure 2 A first feed nozzle 9 is located on the right side of the top surface of the water-fertilizer tank 1, corresponding to the water-fertilizer storage chamber 13, and a second feed nozzle 10 is located on the left side of the top surface of the water-fertilizer tank 1, corresponding to the leachate collection chamber 14. Both the first and second feed nozzles 9 and 10 have threaded sealing caps at their ends. To facilitate the addition of materials to the device, the first feed nozzle 9 on the right side of the top surface of the water-fertilizer tank 1, corresponding to the water-fertilizer storage chamber 13, allows the addition of water-fertilizer raw materials or clean water. The second feed nozzle 10 on the left side of the top surface, corresponding to the leachate collection chamber 14, can be used to add filter auxiliary materials or for cleaning the chamber. To ensure the airtightness of the chamber, both the first and second feed nozzles 9 and 10 have threaded sealing caps at their ends, preventing debris from falling in and avoiding liquid evaporation.

[0019] Please refer to Figure 2 and Figure 3 A number of mounting nozzles 19 are evenly spaced on the surface of the return pipe 3, and each mounting nozzle 19 corresponds one-to-one with a number of leachate collection hoppers 7. Each mounting nozzle 19 is equipped with an internal thread and a sealing ring. The bottom of the leachate collection hopper 7 is equipped with a threaded connector 20, which is threadedly connected to the mounting nozzle 19. These mounting nozzles 19, corresponding one-to-one with the leachate collection hopper 7, are key components for enabling the detachable installation of the collection hoppers. Each mounting nozzle 19 is equipped with an internal thread and a sealing ring. The sealing ring can fill gaps during connection to prevent leakage. Correspondingly, the bottom of the leachate collection hopper 7 is equipped with a threaded connector 20, which is fixed to the mounting nozzle 19 through a threaded connection. This connection method not only facilitates installation and disassembly, making it easy to clean or replace the collection hopper later, but also ensures the sealing of the connection.

[0020] Please refer to Figure 2 and Figure 3 The drip irrigation nozzle 5 is located directly above the leachate collection hopper 7. The leachate collection hopper 7 has a funnel-shaped structure, and the large opening at the top of the leachate collection hopper 7 faces the drip irrigation nozzle 5. The positions of the drip irrigation nozzle 5 and the leachate collection hopper 7 are precisely designed. The drip irrigation nozzle 5 is directly above the leachate collection hopper 7, and the leachate collection hopper 7 has a funnel-shaped structure with the large opening at the top facing the nozzle. This structure can maximize the collection range. Even if a small amount of liquid splashes during drip irrigation, it can be captured by the funnel opening, which greatly improves the recovery rate of leachate.

[0021] Please refer to Figure 1 and Figure 4 The top surface of the water-fertilizer tank 1 has a clearance hole 21 corresponding to the liquid extraction conduit 15, and the clearance hole 21 is connected to the water-fertilizer storage cavity 13. A strip-shaped tempered glass 8 is embedded in the side of the water-fertilizer tank 1 corresponding to the water-fertilizer storage cavity 13, communicating with the water-fertilizer storage cavity 13 through the clearance hole 21. This provides a passage for the liquid extraction conduit 13 without affecting the cavity's sealing. To facilitate observation of the liquid level in the water-fertilizer storage cavity 13, a strip-shaped tempered glass 8 is embedded in the side of the water-fertilizer tank 1. This glass not only has good light transmittance but also strong pressure and impact resistance, adapting to the device's working environment.

[0022] Working principle: In use, the water and fertilizer storage chamber 13 is first filled with concentrated water and fertilizer solution. The proportional pump 4 drives the extraction conduit 15 to draw the solution from the storage chamber 13, which is then transported through the drip irrigation pipe 2 to several drip irrigation nozzles 5. The nozzles then evenly drip the solution into the plant substrate. The proportional pump 4 precisely controls the water and fertilizer output, meeting the plant's absorption needs while avoiding waste due to over-delivery. The funnel-shaped leachate collection hopper 7 (with its large opening facing the nozzle) directly below the drip irrigation nozzles 5 efficiently collects excess leachate seeping from the substrate. The collection hopper 7 covers the drip irrigation area, reducing leakage. After entering the collection hopper 7, the collected leachate first undergoes preliminary filtration through the upper activated carbon filter 16, then passes through the fiber ball filter media 18 to adsorb fine particles and organic matter, and finally undergoes deep purification through the lower activated carbon filter 17. This three-stage filtration structure removes impurities from the leachate. To prevent water and fertilizer contamination during reflux, the purified leachate is first tested for nutrient concentration using a testing instrument (e.g., a multi-parameter analyzer for salinity, pH, and EC). Then, under the premise of ensuring nutrient concentration meets irrigation standards, the booster pump 6 is started and the leachate is transported through the return pipe 3 to the leachate collection chamber 14 of the water and fertilizer tank 1 (the return pipe 3 is connected to the water and fertilizer tank 1 via a flange joint 22 to ensure a tight seal). The purified liquid in the leachate collection chamber 14 is pumped through the liquid guide pipe 11 (powered by the liquid pump 12) to the water and fertilizer storage chamber 13, where it is mixed with new water and fertilizer and reused for drip irrigation.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A drip irrigation and liquid return integrated device, comprising a water and fertilizer tank (1), a drip irrigation pipeline (2) and a return pipeline (3), characterized in that: A drip irrigation pipe (2) is horizontally arranged above the water and fertilizer tank (1), and a proportioning pump (4) is installed on the surface of the drip irrigation pipe (2). Several drip irrigation nozzles (5) are installed at equal intervals on the right end of the drip irrigation pipe (2). The interior of the drip irrigation pipe (2) is divided into a water and fertilizer storage chamber (13) and a leachate collection chamber (14) by a partition. A liquid extraction conduit (15) is installed at the bottom of the proportioning pump (4), and the lower end of the liquid extraction conduit (15) extends through the water and fertilizer tank (1) to the interior of the water and fertilizer storage chamber (13). The lower surface of the water and fertilizer tank (1) is connected to the leachate collection chamber (14). 4) A flange joint (22) is installed, and one end of the flange joint (22) is connected to a return pipe (3) through a flange. The surface of the return pipe (3) is detachably installed with several leachate collection hoppers (7) corresponding to the drip irrigation nozzle (5). The interior of each leachate collection hopper (7) is installed with an upper activated carbon filter screen (16) and a lower activated carbon filter screen (17) from top to bottom. Fiber ball filter media (18) is filled between the upper activated carbon filter screen (16) and the lower activated carbon filter screen (17). A pressure pump (6) is installed on the surface of the return pipe (3).

2. The drip irrigation and liquid return integrated device according to claim 1, characterized in that: A liquid guide pipe (11) is connected between the water and fertilizer storage chamber (13) and the leachate collection chamber (14), and a liquid pump (12) is installed on the surface of the liquid guide pipe (11), and one end of the liquid guide pipe (11) extends to the bottom of the inner side of the leachate collection chamber (14).

3. The drip irrigation and liquid return integrated device according to claim 1, characterized in that: The top right side of the water and fertilizer tank (1) is provided with a first feed nozzle (9) corresponding to the water and fertilizer storage cavity (13), and the left side of the top of the water and fertilizer tank (1) is provided with a second feed nozzle (10) corresponding to the leachate collection cavity (14). Both the first feed nozzle (9) and the second feed nozzle (10) are threaded with sealing caps.

4. The drip irrigation and liquid return integrated device according to claim 1, characterized in that: The surface of the return pipe (3) is provided with a number of installation nozzles (19) at equal intervals, and the number of installation nozzles (19) corresponds one-to-one with a number of leachate collection hoppers (7). Each installation nozzle (19) is provided with an internal thread and a sealing ring. The bottom of the leachate collection hopper (7) is provided with a threaded connector (20), and the threaded connector (20) is threadedly connected to the installation nozzle (19).

5. The drip irrigation and liquid return integrated device according to claim 1, characterized in that: The drip irrigation nozzle (5) is located directly above the leachate collection hopper (7). The leachate collection hopper (7) has a funnel-shaped structure, and the large opening at the top of the leachate collection hopper (7) faces the drip irrigation nozzle (5).

6. The drip irrigation and liquid return integrated device according to claim 1, characterized in that: The top surface of the water and fertilizer tank (1) is provided with a clearance hole (21) corresponding to the liquid extraction conduit (15), and the clearance hole (21) is connected to the water and fertilizer storage cavity (13). The side of the water and fertilizer tank (1) is embedded with a strip-shaped tempered glass (8) corresponding to the water and fertilizer storage cavity (13).

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