Water and fertilizer recycling system for soilless culture of potatoes
By designing a water and fertilizer recycling system that includes a filter component and a sponge layer, the problems of bacterial growth and root rot in soilless potato cultivation were solved, achieving uniform nutrient supply and efficient water and fertilizer utilization, thus improving the potato's growth environment and yield.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGKEN POTATO IND CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-05-19
AI Technical Summary
Existing soilless potato cultivation systems suffer from bacterial growth leading to malnutrition and root rot, as well as low water and fertilizer utilization and poor aeration.
A water and fertilizer circulation system was designed, which includes a filtration component, a diversion component, a circulation component, and a delivery component. It utilizes long-lasting bactericidal blocks and a sponge layer to prevent bacterial growth, ensure root aeration, and evenly spray water and fertilizer through nozzles.
It effectively prevents bacterial accumulation, ensures even nutrient absorption by potatoes, avoids root rot, improves water and fertilizer utilization, meets the nutritional needs of potatoes at different growth stages, and increases yield and quality.
Smart Images

Figure CN224250385U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of soilless potato cultivation technology, and more specifically to a water and fertilizer recycling system for soilless potato cultivation. Background Technology
[0002] Traditional soil cultivation of potatoes presents numerous problems, such as soil compaction and poor aeration, which hinder root growth; the accumulation of pathogens and insect eggs in the soil, leading to frequent pest and disease outbreaks and the need for large amounts of pesticides, which not only increases costs but may also result in excessive residues in agricultural products; in addition, soil cultivation is limited by land resources and has low water and fertilizer utilization rates, with large amounts of water and fertilizer leakage and loss, wasting resources and polluting the environment. Therefore, soilless potato cultivation with a water and fertilizer recycling system has emerged. It can precisely allocate and supply water and nutrients according to the nutrient requirements of potatoes at different growth stages, ensuring that potatoes receive appropriate nutrition, promoting their growth and development, and improving yield and quality.
[0003] In the current hydroponic potato cultivation system, the circulating water and fertilizer contain various conditions suitable for bacterial growth and reproduction, which makes it easy for bacteria to proliferate in large numbers. Once the number of bacteria becomes too large, it may interfere with the potato's absorption of nutrients, disrupt the balance of its growth environment, and thus affect the potato's growth and final yield.
[0004] In addition, existing soilless hydroponic cultivation methods mostly involve completely immersing the bottom of the potato roots in water and fertilizer during operation. However, while this method of complete immersion can ensure the supply of water and fertilizer to a certain extent, the roots are in a state of complete soaking for a long time, lacking sufficient air circulation and oxygen supply, which makes the roots prone to rotting. Utility Model Content
[0005] In order to overcome the above-mentioned defects of the prior art, this utility model provides a water and fertilizer recycling system for soilless potato cultivation to solve the problems existing in the background art.
[0006] This utility model provides the following technical solution: a water and fertilizer recycling system for soilless potato cultivation, comprising a main component and a filter component and a conveying component installed on the main component, wherein the filter component is fixedly installed on the diversion component, and the diversion component and the conveying component are both installed on the recycling component;
[0007] Preferably, the main component includes a cultivation box, a guide channel, a cultivation frame, drainage holes, and a sponge layer. The cultivation frame is slidably connected to each cultivation chamber opened on the cultivation box. Two guide channels are opened at the joint between the cultivation box and the cultivation frame and are connected to the filter assembly. Drainage holes are evenly distributed at the bottom of the cultivation frame. The sponge layer is placed inside the cultivation frame. At this time, the water and fertilizer sprayed by the delivery component first passes through the sponge layer. The sponge layer absorbs part of the water and fertilizer, and the remaining water and fertilizer flows into the guide channel opened on the cultivation box through the drainage holes opened at the bottom of the cultivation frame. The water and fertilizer accumulated in the guide channel flows into the filter assembly.
[0008] Preferably, the filtration assembly includes a filter chamber, a fine filter plate, snap-fit connectors, a handle, a long-lasting sterilization block, and a filter screen. The filter chamber is fixedly installed on the left side of the cultivation box, and the various cultivation chambers opened on the cultivation box are on the same plane. Snap-fit connectors are fixedly installed at both ends of the fine filter plate, and the snap-fit connectors are slidably connected to the inside of the filter chamber. The handle is fixedly installed on the snap-fit connectors. The filter screen is located on the right side of the fine filter plate and fixedly installed on the filter chamber. The long-lasting sterilization block is located between the fine filter plate and the filter screen. At this time, the water and fertilizer flowing into the filtration assembly are initially filtered by the filter screen and then further cleaned of impurities and bacteria by the long-lasting sterilization block. Finally, after being filtered by the fine filter plate, it flows into the drainage assembly.
[0009] Preferably, the drainage assembly includes a drainage pipe, a guide pipe, a first connector, and a first liquid pump. The drainage pipe is fixedly installed on the left side of each filter chamber and connected to its inner chamber. The guide pipe is fixedly installed on the left side of each drainage pipe and connected to it. The first connector is fixedly installed between the cultivation box and the guide pipe. The first liquid pump is fixedly installed on the lower side of the guide pipe. At this time, the water and fertilizer purified by the filtration assembly flows into the guide pipe through the drainage pipe, and the first liquid pump pumps the water and fertilizer flowing into the guide pipe into the circulation assembly.
[0010] Preferably, the circulation assembly includes a storage tank, an inlet pipe, a water-fertilizer delivery tank, a first hose, and a bubble generator. The inlet pipe is fixedly welded to the top of the storage tank and connected to its inner cavity. The two ends of the first hose are respectively fixedly installed on the top of the storage tank and the water-fertilizer delivery tank and connected to their corresponding inner cavities. The bubble generator is located at the bottom of the inner cavity of the storage tank. A guide pipe is fixedly installed on the side wall of the storage tank and connected to its inner pipe. At this time, the water-fertilizer delivery tank delivers water and fertilizer to the storage tank through the first hose, and irrigation water is delivered to the storage tank through the inlet pipe. During the process, the bubble generator continuously generates bubbles to oxygenate the water and fertilizer in the storage tank.
[0011] Preferably, the delivery assembly includes a second hose, a second liquid pump, a main infusion pipe, a second connector, a diversion pipe, and nozzles. One end of the second hose is fixedly connected to a storage tank and communicates with its inner cavity, and the other end is fixedly connected to the main infusion pipe and communicates with its inner tube. The second liquid pump is fixedly installed on the second hose. The second connector is fixedly installed between the cultivation box and the main infusion pipe. The diversion pipe is located directly above each layer of the cultivation frame and is fixedly installed on the cultivation box. An array of nozzles is fixedly installed on the lower side of the diversion pipe. At this time, the diluted water and fertilizer in the circulation assembly is pumped into the main infusion pipe through the second hose under the action of the second liquid pump and diverted to each diversion pipe. The water is sprayed into the cultivation frame through multiple nozzles.
[0012] The technical effects and advantages of this utility model are as follows:
[0013] The design of the filter component combined with the circulation component can effectively sterilize and filter the circulating water and fertilizer, avoiding the problem of bacterial accumulation and reproduction leading to malnutrition of the cultivated potatoes. At the same time, the design of the nozzle set above the cultivation frame and the sponge layer set inside the cultivation frame can fix the position of the potatoes while ensuring that the water and fertilizer are evenly absorbed by the potatoes, effectively preventing the potato roots from being soaked in water and fertilizer for a long time and causing rot. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0015] Figure 2 This is a partial cross-sectional view of the overall structure of this utility model.
[0016] Figure 3 This is a schematic diagram of the filter assembly structure of this utility model.
[0017] Figure 4 For the present utility model Figure 2 Schematic diagram of the structure at point A in the middle.
[0018] The attached diagram is labeled as follows: 1. Main component; 101. Cultivation box; 102. Guide channel; 103. Cultivation frame; 104. Drainage hole; 105. Sponge layer; 2. Filter assembly; 201. Filter chamber; 202. Fine filter plate; 203. Snap-fit component; 204. Handle; 205. Long-lasting sterilization block; 206. Filter screen plate; 3. Drainage assembly; 301. Drainage pipe; 302. Guide pipe; 303. Connector No. 1; 304. Liquid pump No. 1; 4. Circulation assembly; 401. Storage tank; 402. Water inlet pipe; 403. Water and fertilizer delivery tank; 404. Hoses No. 1; 405. Bubble generator; 5. Delivery assembly; 501. Hoses No. 2; 502. Liquid pump No. 2; 503. Infusion main pipe; 504. Connector No. 2; 505. Diverter pipe; 506. Nozzle. Detailed Implementation
[0019] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The water and fertilizer recycling system for soilless potato cultivation involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0020] Reference Figure 1 and Figure 2 As shown, this utility model provides a water and fertilizer recycling system for soilless potato cultivation, including a main component 1 and a filter component 2 and a conveying component 5 installed on the main component 1. The filter component 2 is fixedly installed on the diversion component 3, and the diversion component 3 and the conveying component 5 are both installed on the circulation component 4.
[0021] Reference Figure 2 and Figure 4 As shown, the main component 1 includes a cultivation box 101, a guide channel 102, a cultivation frame 103, a drainage hole 104, and a sponge layer 105. The cultivation frame 103 is slidably connected to each cultivation chamber opened on the cultivation box 101. Two guide channels 102 are opened at the joint between the cultivation box 101 and the cultivation frame 103 and are connected to the filter component 2. The bottom of the cultivation frame 103 has evenly distributed drainage holes 104. The sponge layer 105 is placed inside the cultivation frame 103. At this time, the water and fertilizer sprayed by the delivery component 5 first pass through the sponge layer 105. The sponge layer 105 absorbs part of the water and fertilizer. The remaining water and fertilizer flow into the guide channel 102 opened on the cultivation box 101 through the drainage hole 104 opened at the bottom of the cultivation frame 103. The water and fertilizer accumulated in the guide channel 102 flow into the filter component 2.
[0022] Combination Figures 2-4 As shown, the filter assembly 2 includes a filter chamber 201, a fine filter plate 202, a snap-fit connector 203, a handle 204, a long-lasting sterilization block 205, and a filter screen 206. The filter chamber 201 is fixedly installed on the left side of the cultivation box 101, and the various cultivation chambers opened on the cultivation box 101 are on the same plane. The fine filter plate 202 is fixedly installed with snap-fit connectors 203 at both ends, and the snap-fit connectors 203 are slidably connected to the inside of the filter chamber 201. The handle 204 is fixedly installed on the snap-fit connectors 203. The filter screen 206 is located on the right side of the fine filter plate 202 and is fixedly installed on the filter chamber 201. The long-lasting sterilization block 205 is located between the fine filter plate 202 and the filter screen 206. At this time, the water and fertilizer flowing into the filter assembly 2 are initially filtered by the filter screen 206 and then further removed by the long-lasting sterilization block 205. Finally, after being filtered by the fine filter plate 202, it flows into the drainage assembly 3.
[0023] An optional implementation of the long-lasting sterilization block 205 features a sponge block structure with an internal slow-release sterilizing agent. This agent slowly releases its sterilizing components as water and fertilizer flow through, effectively killing harmful bacteria and viruses in the water and fertilizer, ensuring a clean and safe growing environment for potatoes. Furthermore, the design of the long-lasting sterilization block 205 also considers ease of replacement. When the sterilization effect weakens, users can easily remove and replace it with a new block, ensuring the continuous and efficient operation of the water and fertilizer circulation system.
[0024] Reference Figure 2 The drainage component 3 includes a drainage pipe 301, a guide pipe 302, a first connector 303, and a first liquid pump 304. The drainage pipe 301 is fixedly installed on the left side of each filter chamber 201 and connected to its inner chamber. The guide pipe 302 is fixedly installed on the left side of each drainage pipe 301 and connected to it. The first connector 303 is fixedly installed between the cultivation box 101 and the guide pipe 302. The first liquid pump 304 is fixedly installed on the lower side of the guide pipe 302. At this time, the water and fertilizer purified by the filter component 2 flows into the guide pipe 302 through the drainage pipe 301. The first liquid pump 304 pumps the water and fertilizer flowing into the guide pipe 302 into the circulation component 4.
[0025] Reference Figure 2 As shown, the circulation component 4 includes a storage tank 401, an inlet pipe 402, a water and fertilizer delivery tank 403, a first hose 404, and a bubble generator 405. The inlet pipe 402 is fixedly welded to the top of the storage tank 401 and connected to its inner cavity. The two ends of the first hose 404 are respectively fixedly installed on the top of the storage tank 401 and the water and fertilizer delivery tank 403 and connected to their corresponding inner cavities. The bubble generator 405 is located at the bottom of the inner cavity of the storage tank 401. A guide pipe 302 is fixedly installed on the side wall of the storage tank 401 and connected to its inner pipe. At this time, the water and fertilizer delivery tank 403 delivers water and fertilizer to the storage tank 401 through the first hose 404, and irrigation water is delivered to the storage tank 401 through the inlet pipe 402. During the process, the bubble generator 405 continuously generates bubbles to oxygenate the water and fertilizer in the storage tank 401.
[0026] Reference Figure 1As shown, the delivery assembly 5 includes a second hose 501, a second liquid pump 502, a main infusion pipe 503, a second connector 504, a diversion pipe 505, and nozzles 506. One end of the second hose 501 is fixedly connected to the storage tank 401 and communicates with its inner cavity, while the other end is fixedly connected to the main infusion pipe 503 and communicates with its inner tube. The second liquid pump 502 is fixedly installed on the second hose 501. The second connector 504 is fixedly installed between the cultivation box 101 and the main infusion pipe 503. The diversion pipe 505 is located directly above each layer of the cultivation frame 103 and is fixedly installed on the cultivation box 101. An array of nozzles 506 is fixedly installed on the lower side of the diversion pipe 505. At this time, the diluted water and fertilizer in the circulation assembly 4 is pumped into the main infusion pipe 503 through the second hose 501 under the action of the second liquid pump 502, and then diverted to each diversion pipe 505. The water is sprayed into the cultivation frame 103 through multiple nozzles 506.
[0027] The working principle of this utility model can be roughly implemented according to the following process:
[0028] When using the device, the water and fertilizer delivery tank 403 delivers water and fertilizer to the storage tank 401 via a first hose 404. Simultaneously, irrigation water enters the storage tank 401 through the inlet pipe 402. After dilution, the water and fertilizer in the storage tank 401 are pumped into the main delivery pipe 503 via a second hose 501, driven by a second pump 502, and further distributed to various branch pipes 505. Subsequently, the water and fertilizer are sprayed into the cultivation frame 103 through multiple nozzles 506. The sprayed water and fertilizer first pass through the sponge layer 105, which absorbs some of the water and fertilizer, while the remaining water and fertilizer flow into the guide channel 102 on the cultivation box 101 through the drainage holes 104 at the bottom of the cultivation frame 103. The water and fertilizer accumulated in the guide channel 102 flows into the filter assembly 2, where it undergoes preliminary filtration by the filter screen 206, and then further removal of impurities and bacteria by the long-lasting sterilization block 205. Finally, the water and fertilizer are finely filtered by the fine filter plate 202 and flow into the guide pipe 302 through the drainage pipe 301. At this time, the first liquid pump 304 pumps the water and fertilizer in the guide pipe 302 back into the storage tank 401, starting the secondary circulation. During this process, the bubble generator 405 continuously generates bubbles to oxygenate the water and fertilizer in the storage tank 401.
[0029] Throughout the water and fertilizer cycle, to enhance the system's automation capabilities, sensor monitoring devices can be selectively installed based on actual usage and specific conditions. These devices monitor the pH, EC (conductivity), and liquid level of the water and fertilizer in storage tank 401 in real time. This data is transmitted wirelessly to the central control unit, which intelligently adjusts the water-fertilizer ratio, irrigation volume, and circulation rate according to preset parameter ranges to ensure optimal growth for the potato plants. To further improve water and fertilizer utilization and reduce energy consumption, where the hardware and software of the automatic controller allow, an intelligent irrigation control program can be manually added. This program utilizes the MCU's automatic control capabilities to achieve an intelligent irrigation mode, automatically adjusting the irrigation strategy based on different stages of the potato growth cycle and current environmental conditions (such as light intensity and temperature). This satisfies the potato's growth needs while avoiding water and fertilizer waste.
[0030] In terms of maintenance, all components of the system are designed with quick-disassembly and assembly structures, facilitating daily inspections and cleaning by users. In particular, the filter assembly 2, with its filter screen 206 and long-lasting sterilization block 205, can be easily removed and replaced, ensuring the long-term stable operation of the water and fertilizer circulation system.
[0031] Finally, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly, and can refer to mechanical or electrical connections, or internal connections between two components, or direct connections. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may change. The accompanying drawings of the embodiments disclosed in this utility model only involve structures relevant to the embodiments disclosed in this utility model; other structures can refer to common designs. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other. The above descriptions are merely preferred embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A water and fertilizer recycling system for soilless potato cultivation, comprising a main component (1) and a filter component (2) and a conveying component (5) installed on the main component (1), wherein the filter component (2) is fixedly installed on a diversion component (3), and the diversion component (3) and the conveying component (5) are both installed on a recycling component (4), characterized in that: The main component (1) includes a cultivation box (101), a flow channel (102), and a culture frame (103). The filter component (2) includes a filter chamber (201), a fine filter plate (202), a snap-fit component (203), a handle (204), a long-lasting sterilization block (205), and a filter screen (206). Two flow channels (102) are provided at the joint between the cultivation box (101) and the culture frame (103) and are connected to the filter component (2). The filter chamber (201) is fixedly installed in the cultivation box (101). The cultivation chambers on the left side of the cultivation box (101) are all on the same plane. The fine filter plate (202) is fixedly installed with snap-fit parts (203) at both ends. The snap-fit parts (203) are slidably connected to the inside of the filter chamber (201). The handle (204) is fixedly installed on the snap-fit parts (203). The filter screen plate (206) is set on the right side of the fine filter plate (202) and fixedly installed on the filter chamber (201). The long-lasting sterilization block (205) is set between the fine filter plate (202) and the filter screen plate (206).
2. The water and fertilizer recycling system for soilless potato cultivation according to claim 1, characterized in that: The main component (1) also includes drainage holes (104) and a sponge layer (105). The culture frame (103) is slidably connected to each culture chamber opened on the cultivation box (101). The bottom of the culture frame (103) is provided with evenly distributed drainage holes (104), and the sponge layer (105) is placed inside the culture frame (103).
3. The water and fertilizer recycling system for soilless potato cultivation according to claim 1, characterized in that: The drainage assembly (3) includes a drainage pipe (301), a guide pipe (302), a first connector (303), and a first liquid pump (304). The drainage pipe (301) is fixedly installed on the left side of each filter chamber (201) and connected to its inner chamber. The guide pipe (302) is fixedly installed on the left side of each drainage pipe (301) and connected to it. The first connector (303) is fixedly installed between the cultivation box (101) and the guide pipe (302). The first liquid pump (304) is fixedly installed on the lower side of the guide pipe (302).
4. The water and fertilizer recycling system for soilless potato cultivation according to claim 3, characterized in that: The circulation component (4) includes a storage tank (401), an inlet pipe (402), a water-fertilizer delivery tank (403), a first hose (404), and a bubble generator (405). The inlet pipe (402) is fixedly welded to the top of the storage tank (401) and connected to its inner cavity. The two ends of the first hose (404) are fixedly installed on the top of the storage tank (401) and the water-fertilizer delivery tank (403) respectively and connected to their corresponding inner cavities. The bubble generator (405) is located at the bottom of the inner cavity of the storage tank (401). A guide pipe (302) is fixedly installed on the side wall of the storage tank (401) and connected to its inner pipe.
5. A water and fertilizer recycling system for soilless potato cultivation according to claim 4, characterized in that: The delivery assembly (5) includes a second hose (501), a second liquid pump (502), a main infusion pipe (503), a second connector (504), a diversion pipe (505), and nozzles (506). One end of the second hose (501) is fixedly connected to the storage tank (401) and communicates with its inner cavity, and the other end is fixedly connected to the main infusion pipe (503) and communicates with its inner tube. The second liquid pump (502) is fixedly installed on the second hose (501). The second connector (504) is fixedly installed between the cultivation box (101) and the main infusion pipe (503). The diversion pipe (505) is located directly above each layer of cultivation frame (103) and is fixedly installed on the cultivation box (101). An array of nozzles (506) is fixedly installed on the lower side of the diversion pipe (505).