Nutrient solution treatment method and nutrient solution treatment system
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- DAIWA HOUSE INDUSTRY CO LTD
- Filing Date
- 2025-01-24
- Publication Date
- 2026-08-05
AI Technical Summary
【0020】 請求項1においては、養液の殺菌及び着色汚れの浄化を行うことができると共に、対象金属の錯体の構造がオゾンで破壊されるのを抑制することができる。
Smart Images
Figure 2026126584000001_ABST
Abstract
Claims
1. A method for treating nutrient solution used in a cultivation tank for hydroponic cultivation of plants, A sterilization step in which the nutrient solution is sterilized by ozone during a predetermined first time period, An addition step is performed in which a complex of the target metal necessary for the growth of plants in the cultivation tank is added to the nutrient solution at least during a second time period other than the first time period, to be equipped, Method for disposing of nutrient solution.
2. This invention is applicable to an aquaponics system that circulates the nutrient solution between a fish farming tank, a filtration tank for filtering the nutrient solution, and a cultivation tank. The method for treating the nutrient solution according to claim 1.
3. During the aforementioned first time period, This includes at least a portion of the time period during which the plants in the cultivation tank do not perform photosynthesis. During the aforementioned second time period, This includes at least a portion of the time period during which the plants in the cultivation tank perform photosynthesis. A method for treating nutrient solution according to claim 1 or claim 2.
4. In the aforementioned additive step, The concentration of the target metal in the nutrient solution is measured, and the complex of the target metal is added to the nutrient solution until the measurement result reaches a predetermined threshold. A method for treating nutrient solution according to claim 1 or claim 2.
5. The system further comprises a removal step for removing solid matter contained in the nutrient solution. A method for treating a nutrient solution according to claim 1 or claim 2.
6. The removal process described above is: At least during the sterilization process, The method for treating the nutrient solution according to claim 5.
7. A nutrient solution treatment system used in a cultivation tank for hydroponic plant cultivation, A sterilization device that sterilizes the nutrient solution with ozone, A complex additive device for adding a complex of a target metal necessary for the growth of plants in the cultivation tank to the nutrient solution, A control device that operates the sterilization device during a pre-set first time period and operates the complex addition device during at least a second time period other than the first time period, Equipped with, Nutrient solution treatment system.
8. This invention is applicable to an aquaponics system that circulates the nutrient solution between a fish farming tank, a filtration tank for filtering the nutrient solution, and a cultivation tank. The nutrient solution treatment system according to claim 7.
9. The sterilization device is Arranged in a guide path that guides the nutrient solution from the filtration tank to the aquaculture tank, The nutrient solution treatment system according to claim 8.
10. The system further comprises a removal device for removing solid matter contained in the nutrient solution. A nutrient solution treatment system according to any one of claims 7 to 9.