Soilless culture device capable of reducing bad root rate

Abstract

The soilless culture device capable of reducing the bad root rate relates to the technical field of soilless culture devices and is characterized in that a first support frame is erected on the inner side wall of a hydroponic solution tank, an isolation plate is detachably arranged on the first support frame, and the lower surface of the isolation plate is higher than the liquid level of hydroponic solution in the hydroponic solution tank; the gap between the liquid level of the hydroponic solution and the isolation plate is increased, so that the surface of the hydroponic solution is not covered, the hydroponic solution can be in complete contact with air, the hydroponic solution and the air can normally circulate, and the situation that the oxygen content in the hydroponic solution is reduced is avoided; due to the fact that the gap is formed between the liquid level of the water culture liquid and the isolation plate, a part of roots are leaked in the gap, the roots of the seedlings can make direct contact with air for breathing, oxygen deficit of the roots of the seedlings is avoided, the toughness of the roots of the seedlings can be improved, the roots of the seedlings are not prone to breaking, and the air permeability of the roots of the seedlings is good.

Description

Technical Field

[0001] This utility model relates to the field of soilless cultivation device technology, and in particular to a soilless cultivation device that reduces the rate of root damage. Background Technology

[0002] Soilless cultivation involves growing crops in an aqueous solution containing dissolved minerals (nutrient solution); or cultivating crops in a nutrient solution within a certain cultivation substrate. As long as there are certain cultivation equipment and management measures, crops can grow normally and achieve high yields.

[0003] In existing technologies, water tanks are set up inside greenhouses, and seedlings are grown hydroponically within these tanks. Figure 1 As shown, the device includes a hydroponic solution tank and a seedling tray. The seedling tray is placed on the hydroponic solution in the hydroponic solution tank. During cultivation, because the roots of the seedlings are immersed in the hydroponic solution, the roots cannot directly contact the air for aerobic respiration. At the same time, the seedling tray floats directly on the surface of the hydroponic solution in the hydroponic solution tank, covering the surface of the hydroponic solution and reducing the contact area between the hydroponic solution and the air. This results in a decrease in the oxygen content in the hydroponic solution, making the roots of the seedlings immersed in the hydroponic solution prone to hypoxia. This makes the fine roots of the seedlings more fragile, and in severe cases, the roots of the seedlings will die, causing problems such as premature aging, weak growth, or root diseases. Summary of the Invention

[0004] Based on this, the present invention provides a soilless cultivation device to reduce the rate of root rot, thereby solving the technical problems existing in the prior art where the surface of the hydroponic solution is covered, resulting in a decrease in the oxygen content in the hydroponic solution, the roots of the seedlings cannot directly contact the air, the hydroponic solution is not breathable, easily leads to oxygen deficiency, and the fine roots are too fragile. In severe cases, the roots of the seedlings will die, causing the seedlings to age prematurely, grow weakly, or be induced to develop root diseases.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows:

[0006] A soilless cultivation device for reducing root rot rate includes:

[0007] A hydroponic solution tank, wherein a first support frame is provided on the inner side wall of the hydroponic solution tank, and the hydroponic solution tank contains hydroponic solution;

[0008] An isolation plate is mounted on the first support frame and is detachably connected to the first support frame. The lower surface of the isolation plate is higher than the liquid level of the hydroponic solution in the hydroponic solution tank.

[0009] A seedling tray, which is placed on the isolation plate.

[0010] Preferably, the lower surface of the isolation plate is provided with a plurality of legs, the plurality of legs are distributed in the middle area of ​​the lower surface of the isolation plate, the plurality of legs are supported on the inner bottom of the hydroponic liquid tank, and the plurality of legs are detachably connected to the hydroponic liquid tank.

[0011] Preferably, it further includes a heat insulation layer, which is disposed on the lower surface and peripheral surface of the hydroponic solution tank, and the heat insulation layer is used to insulate the hydroponic solution tank.

[0012] Preferably, a second support frame is provided below the insulation layer, which is used to increase the distance between the ground and the insulation layer.

[0013] Preferably, the hydroponic solution tank is provided with a water storage film, which is used to hold the hydroponic solution.

[0014] Preferably, the water-storing membrane is a plastic membrane.

[0015] Preferably, the side wall of the hydroponic liquid tank is provided with a fixing member, which is used to fix the water storage film.

[0016] Preferably, the seedling tray is provided with a plurality of seedling cells, and the bottom of the seedling cells is provided with through holes.

[0017] Preferably, it also includes a nutrient solution tank installed underground, wherein the nutrient solution tank and the hydroponic solution tank are provided with a hydroponic solution inlet pipe and a hydroponic solution outlet pipe, and the hydroponic solution circulates between the nutrient solution tank and the hydroponic solution tank through the hydroponic solution inlet pipe and the hydroponic solution outlet pipe.

[0018] Compared with the prior art, the present invention has at least the following advantages:

[0019] This utility model discloses a hydroponic cultivation device for reducing root rot rates, comprising a hydroponic solution tank, a partition plate, and a seedling tray. A first support frame is erected on the inner wall of the hydroponic solution tank, and the partition plate is detachably mounted on the first support frame, with its lower surface higher than the hydroponic solution level in the tank. This arrangement increases the gap between the hydroponic solution level and the partition plate, ensuring the hydroponic solution surface is not covered. This allows for complete contact between the hydroponic solution and air, enabling normal air circulation and preventing the formation of root rot in the hydroponic solution. In cases of reduced oxygen levels, the seedling trays are placed on a partition board, allowing the seedling roots to extend into the hydroponic solution through the partition board. Because there is a gap between the hydroponic solution surface and the partition board, some roots leak into the gap, allowing the seedling roots to directly contact the air and respire. This increases the toughness of the seedling roots, making them less prone to breakage. The good aeration of the seedling roots also prevents root hypoxia, thus avoiding problems such as root necrosis, premature aging, weak growth, or root diseases. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a soilless cultivation device in the prior art;

[0021] Figure 2 This is a schematic diagram of the structure of a soilless cultivation device for reducing root damage rate according to this application;

[0022] Figure 3 This is a schematic diagram of the hydroponic solution tank in this application;

[0023] Figure 4 This is a side view of the hydroponic solution tank in this application;

[0024] Figure 5 This is a schematic diagram of the structure of the isolation plate in this application;

[0025] Figure 6 This is a schematic diagram of the through holes in the seedling tray in this application.

[0026] In the diagram: hydroponic solution tank 100, first support frame 110, fixing component 120, isolation plate 200, support leg 210, seedling tray 300, seedling grid 310, through hole 311, heat insulation layer 400, second support frame 410, nutrient solution tank 500, hydroponic solution inlet pipe 510, hydroponic solution outlet pipe 520. Detailed Implementation

[0027] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Please refer to Figures 2 to 6 A soilless cultivation device for reducing root rot rate, comprising:

[0029] A hydroponic solution tank 100, wherein a first support frame 110 is provided on the inner side wall of the hydroponic solution tank 100, and the hydroponic solution tank 100 contains hydroponic solution;

[0030] An isolation plate 200 is mounted on the first support frame 110 and is detachably connected to the first support frame 110. The lower surface of the isolation plate 200 is higher than the liquid level of the hydroponic solution in the hydroponic solution tank 100.

[0031] Seedling tray 300, which is disposed on the isolation plate 200.

[0032] Specifically, this application provides a hydroponic cultivation device for reducing root rot rates, comprising a hydroponic solution tank 100, an isolation plate 200, and a seedling tray 300. A first support frame 110 is symmetrically arranged on the inner wall of the hydroponic solution tank 100, and the isolation plate 200 is detachably mounted on the first support frame 110, with the lower surface of the isolation plate 200 higher than the surface of the hydroponic solution in the hydroponic solution tank 100. This arrangement increases the gap between the hydroponic solution surface and the isolation plate 200, ensuring the surface of the hydroponic solution is not covered. This allows for complete contact between the hydroponic solution and air, enabling normal air circulation and preventing a decrease in oxygen content in the hydroponic solution. Simultaneously, the seedling tray 300 is positioned on the isolation plate... On the seedling tray 300, the seedling tray can be a foam box, a plastic box, etc. As a preferred option, the seedling tray in this application is a foam box. The foam has a low density, an independent bubble structure, and a low water absorption rate on the foam surface, resulting in good impermeability. The roots of the seedlings extend into the hydroponic solution through the partition plate 200. Since there is a gap between the hydroponic solution surface and the partition plate 200, some roots are exposed in the gap, allowing the roots of the seedlings to directly contact the air and respire. This increases the toughness of the seedling roots, making them less prone to breakage. The good air permeability of the seedling roots prevents the roots from becoming oxygen-deficient, thus avoiding problems such as root necrosis, premature aging, weak growth, or root diseases.

[0033] In a preferred embodiment, the lower surface of the isolation plate 200 is provided with a plurality of legs 210, the plurality of legs 210 are distributed in the middle area of ​​the lower surface of the isolation plate 200, the plurality of legs 210 are supported on the inner bottom of the hydroponic liquid tank 100, and the plurality of legs 210 are detachably connected to the hydroponic liquid tank 100.

[0034] Specifically, the isolation plate 200 is a grid, the seedling tray 300 is set on the isolation plate 200, and several roots of the seedling can be set opposite to the isolation plate 200, with one root corresponding to one grid on the isolation plate 200, and are introduced into the hydroponic solution for nutrient absorption. Several support legs 210 are distributed and arranged in the middle area of ​​the lower surface of the isolation plate 200. The support legs 210 can be steel pipes, wooden sticks, iron rods, etc. Preferably, in this application, the support legs 210 are wooden sticks. The support legs 210 are supported on the inner bottom of the hydroponic liquid tank 100. The height of the support legs 210 is higher than the liquid level of the hydroponic liquid in the hydroponic liquid tank 100. The support legs 210 are distributed in the central area of ​​the lower surface of the isolation plate 200 and supported on the inner bottom of the hydroponic liquid tank 100. The support legs 210 can be detachably connected to the hydroponic liquid tank 100 for easy removal. By setting several support legs 210, the isolation plate 200 can be prevented from bending under excessive load, thus providing support for the isolation plate 200.

[0035] In a preferred embodiment, the system further includes a heat insulation layer 400, which is disposed on the lower surface and peripheral surface of the hydroponic solution tank 100 and is used to insulate the hydroponic solution tank 100 from heat.

[0036] Specifically, the insulation layer 400 can be a perlite insulation layer, polyurethane foam, or a polyurethane insulation layer. Preferably, in this application, the insulation layer 400 is a polyurethane insulation layer. The insulation layer 400 has moisture-proof and waterproof properties, as well as low thermal conductivity and good thermal performance.

[0037] During cultivation, because the greenhouse is a closed space exposed to direct sunlight, the temperature inside the greenhouse gradually rises, as does the ground surface temperature. For example, with all the car windows closed, the interior temperature increases rapidly under direct sunlight. Similarly, as the greenhouse and ground temperatures rise, the temperature of the hydroponic solution in the hydroponic solution tank 100 also increases. Excessive heat in the hydroponic solution tank 100 can, in severe cases, burn the seedlings, resulting in waste. Therefore, a heat insulation layer 400 is installed on the lower and surrounding surfaces of the hydroponic solution tank 100. This heat insulation layer 400 consists of several heat insulation panels, and adjacent panels can be detachably connected for easy placement and replacement. Several heat insulation boards are spliced ​​together and attached to the lower and surrounding surfaces of the hydroponic solution tank 100. The hydroponic solution tank 100 is insulated by the heat insulation layer 400. Due to the excellent heat insulation performance of the heat insulation layer 400, as the temperature of the greenhouse increases, it can block the heat radiation from the ground and the heat inside the greenhouse, preventing the temperature of the hydroponic solution in the hydroponic solution tank 100 from rising due to the heat radiation from the ground. This, to a certain extent, prevents the temperature of the hydroponic solution in the hydroponic solution tank 100 from rising with the temperature of the greenhouse, which is beneficial to the growth of seedlings, avoids the seedlings being burned, and improves the survival rate of seedlings.

[0038] In a preferred embodiment, a second support frame 410 is further provided below the insulation layer 400, the second support frame 410 being used to increase the distance between the ground and the insulation layer 400.

[0039] Specifically, the second support frame 410 can be an iron frame, a wooden frame, or a stone block, etc. Preferably, in this application, the second support frame 410 is a stone block. Since the greenhouse is a closed space and is exposed to direct sunlight, the temperature inside the greenhouse will increase, and the ground surface temperature will also rise. By setting the second support frame 410 below the heat insulation mechanism, the distance between the heat insulation mechanism and the ground is increased, which increases the heat radiation distance from the ground to the heat insulation mechanism, thereby reducing the heat radiation intensity from the ground to the hydroponic solution tank 100, and further preventing the temperature of the hydroponic solution in the hydroponic solution tank 100 from rising due to heat radiation from the ground.

[0040] In a preferred embodiment, a water storage film is provided inside the hydroponic solution tank 100, the water storage film being used to hold the hydroponic solution, and the water storage film being a plastic film.

[0041] Specifically, a water storage film is provided inside the hydroponic solution tank 100. The water storage film can be a waterproof cloth film, a polyethylene geomembrane, or a plastic film. Preferably, in this application, the water storage film is a transparent water storage film. A large water storage film is placed on the opening of the hydroponic solution tank 100 and stretched down. The inner side of the water storage film is in contact with the inner bottom of the hydroponic solution tank 100. At the same time, the part of the water storage film that extends beyond the opening of the hydroponic solution tank 100 is bent to the outer wall of the hydroponic solution tank 100 and fixed by the fastener 120. The water storage film has good waterproof performance and can prevent water penetration. Placing the water storage film inside the hydroponic solution tank 100 creates a water storage area inside the water storage film, providing nutrition to the seedlings and supplementing the seedlings with nutrients.

[0042] In a preferred embodiment, a fixing member 120 is provided on the side wall of the hydroponic liquid tank 100, and the fixing member 120 is used to fix the water storage film.

[0043] Specifically, the fixing element 120 can be a hook, buckle, cloth strip, clip, etc. Preferably, in this application, the fixing element 120 is a clip. The fixing element 120 is set on the side wall of the hydroponic liquid tank 100. The part of the water storage film that exceeds the opening of the hydroponic liquid tank 100 is bent to the outer side wall of the hydroponic liquid tank 100 by the fixing element 120 and fixed to the side wall of the hydroponic liquid tank 100 by the fixing element 120. It is aesthetically pleasing and facilitates the setting of the water storage film. For example, during the setting process, if the setting is not proper and there is not enough space in a certain place, the water storage film will not be able to be laid in the hydroponic liquid tank 100 at that place. The fixing element 120 can fix it and avoid this situation.

[0044] In a preferred embodiment, the seedling tray 300 is provided with a plurality of seedling grids 310, and the bottom of the seedling grids 310 is provided with through holes 311.

[0045] Specifically, several seedling trays 310 are set on the seedling tray 300. By setting up seedling trays 310, one seedling is placed in one seedling tray 310 for easy access. After the roots of the seedling grow out, they are introduced into the hydroponic liquid tank 100 through the through holes 311 opened at the bottom of the seedling tray 310 for nutrient absorption. This makes the roots of the seedling more resilient, less prone to breakage, and improves the survival rate of the seedling.

[0046] In a preferred embodiment, the system further includes a nutrient solution tank 500 disposed underground. The nutrient solution tank 500 and the hydroponic solution tank 100 are provided with a hydroponic solution inlet pipe 510 and a hydroponic solution outlet pipe 520. The hydroponic solution circulates between the nutrient solution tank 500 and the hydroponic solution tank 100 through the hydroponic solution inlet pipe 510 and the hydroponic solution outlet pipe 520.

[0047] Specifically, the hydroponic solution in the nutrient solution tank 500 is pumped through the hydroponic solution inlet pipe 510 to one end of the hydroponic solution tank 100. The hydroponic solution pumped to one end of the hydroponic solution tank 100 slowly flows to the other end of the hydroponic solution tank 100. During the flow, the seedlings absorb the hydroponic solution. After the hydroponic solution slowly flows from one end of the hydroponic solution tank 100 to the other end, it returns to the nutrient tank through the hydroponic solution outlet pipe 520. The hydroponic solution provides nutrients to the seedlings during the flow in the hydroponic solution tank 100.

[0048] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A soilless cultivation device for reducing root rot rate, characterized in that, include: A hydroponic solution tank, wherein a first support frame is provided on the inner side wall of the hydroponic solution tank, and the hydroponic solution tank contains hydroponic solution; An isolation plate is mounted on the first support frame and is detachably connected to the first support frame. The lower surface of the isolation plate is higher than the liquid level of the hydroponic solution in the hydroponic solution tank. A seedling tray, which is placed on the isolation plate.

2. The soilless cultivation device for reducing root rot rate as described in claim 1, characterized in that: The lower surface of the isolation plate is provided with a plurality of legs, which are distributed in the middle area of ​​the lower surface of the isolation plate. The plurality of legs support the inner bottom of the hydroponic liquid tank, and the plurality of legs are detachably connected to the hydroponic liquid tank.

3. The soilless cultivation device for reducing root rot rate as described in claim 1, characterized in that: It also includes a heat insulation layer, which is disposed on the lower surface and the peripheral surface of the hydroponic solution tank, and the heat insulation layer is used to insulate the hydroponic solution tank.

4. The soilless cultivation device for reducing root rot rate as described in claim 3, characterized in that: A second support frame is also provided below the insulation layer, which is used to increase the distance between the ground and the insulation layer.

5. The soilless cultivation device for reducing root rot rate as described in claim 1, characterized in that: The hydroponic solution tank is equipped with a water storage membrane, which is used to hold the hydroponic solution.

6. The soilless cultivation device for reducing root rot rate as described in claim 5, characterized in that: The water storage membrane is a plastic membrane.

7. The soilless cultivation device for reducing root rot rate as described in claim 5, characterized in that: The side wall of the hydroponic liquid tank is provided with a fixing component, which is used to fix the water storage film.

8. The soilless cultivation device for reducing root rot rate as described in claim 1, characterized in that: The seedling tray is provided with several seedling cells, and the bottom of each seedling cell has a through hole.

9. The soilless cultivation device for reducing root rot rate as described in claim 1, characterized in that: It also includes a nutrient solution tank installed underground, and the nutrient solution tank and the hydroponic solution tank are provided with a hydroponic solution inlet pipe and a hydroponic solution outlet pipe, through which the hydroponic solution circulates between the nutrient solution tank and the hydroponic solution tank.

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