NZ807800A - High-density plant cultivation systems and related apparatuses and methods - Google Patents
High-density plant cultivation systems and related apparatuses and methodsInfo
- Publication number
- NZ807800A NZ807800A NZ807800A NZ80780019A NZ807800A NZ 807800 A NZ807800 A NZ 807800A NZ 807800 A NZ807800 A NZ 807800A NZ 80780019 A NZ80780019 A NZ 80780019A NZ 807800 A NZ807800 A NZ 807800A
- Authority
- NZ
- New Zealand
- Prior art keywords
- conveyor
- tray
- frame
- plant
- downstream end
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 2
- 230000005484 gravity Effects 0.000 claims abstract 13
- 238000011144 upstream manufacturing Methods 0.000 claims abstract 13
- 230000000712 assembly Effects 0.000 claims abstract 3
- 238000000429 assembly Methods 0.000 claims abstract 3
- 235000015097 nutrients Nutrition 0.000 claims 25
- 239000012530 fluid Substances 0.000 claims 4
- 238000007599 discharging Methods 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 2
- 230000008635 plant growth Effects 0.000 claims 1
Abstract
gravity-driven plant cultivation system includes: (a) a frame; (b) a plurality of vertically stacked conveyor assemblies mounted to the frame. Each conveyor assembly includes at least one gravity conveyor extending along a conveyor axis. The conveyor axis slopes downwards relative to a horizontal plane from a frame upstream end to a frame downstream end of the frame. The system further includes (c) a plurality of plant cultivation trays rollingly supported on each gravity conveyor and urged to translate along a respective conveyor axis toward the frame downstream end via gravitational force.
Claims (20)
1. A gravity-driven plant cultivation system, comprising: (a) a frame having a frame upstream end and a frame downstream end spaced horizontally apart from the frame upstream end; 5 (b) a plurality of vertically stacked conveyor assemblies mounted to the frame, each conveyor assembly including at least one gravity conveyor extending between the frame upstream end and the frame downstream end along a conveyor axis, the conveyor axis sloping downwards relative to a horizontal plane from the frame upstream end to the frame downstream end; and 10 (c) a plurality of plant cultivation trays rollingly supported on each gravity conveyor and urged to translate along a corresponding conveyor axis toward the frame downstream end via gravitational force, each tray including: (i) a tray body having a front directed toward the frame downstream end, a rear axially opposite the front and directed toward the 15 frame upstream end, and at least one underside surface extending from the tray rear to the tray front parallel with the conveyor axis and in engagement with the conveyor for supporting the tray on the conveyor; (ii) a plurality of plant cavities in the tray body and open to a top of the tray body, the plant cavities for holding plants; and 20 (iii) a nutrient chamber internal the tray body and in fluid communication with the plant cavities, the nutrient chamber for holding plant nutrient solution, and the nutrient chamber bounded from below by a nutrient chamber bottom wall of the tray body, the nutrient chamber bottom wall lying in a bottom wall plane parallel with the horizontal plane for 25 maintaining a constant depth of the plant nutrient solution across the nutrient chamber bottom wall.
2. The system of claim 1, wherein each conveyor includes a pair of supports extending along the conveyor axis and spaced laterally apart from each other by a conveyor opening, and wherein the tray body has a pair of the underside surfaces spaced laterally apart from each other, each underside surface in engagement with 5 a corresponding support.
3. The system of claim 2, wherein the nutrient chamber is laterally intermediate the pair of supports and extends into the conveyor opening.
4. The system of claim 2 or 3, wherein each support includes a rail extending along the conveyor axis and a plurality of wheels rotatably mounted to the rail and 10 spaced apart from each other along the conveyor axis, and wherein each underside surface is in rolling engagement with the wheels of a corresponding support.
5. The system of any one of claims 1 to 4, wherein the nutrient chamber is at an elevation below the at least one underside surface. 15
6. The system of any one of claims 1 to 5, wherein each plant cavity extends between a cavity top end open to the tray top and a cavity bottom end in fluid communication with the nutrient chamber.
7. The system of claim 6, wherein for each tray, the cavity top ends of the plant cavities lie in a common cavity top plane, the cavity top plane parallel with the 20 horizontal plane.
8. The system of claim 6, wherein for each tray, the cavity bottom ends of the plant cavities lie in a common cavity bottom plane, the cavity bottom plane parallel with the horizontal plane.
9. The system of any one of claims 1 to 8, wherein the tray body has a plurality 25 of baffles projecting upwardly from the nutrient chamber bottom wall for suppressing slosh of the nutrient solution.
10. The system of claim 9, wherein the baffles are spaced axially apart from each other and divide the nutrient chamber into a plurality of laterally extending channels.
11. The system of any one of claims 1 to 10, wherein each tray includes at least 5 one tray vent extending vertically through the tray body for passing air through the tray body to facilitate delivery of air to the plants from below.
12. The system of claim 11, wherein the tray vent passes through the nutrient chamber.
13. The system of claim 11 or 12, further comprising an air delivery ductwork 10 for delivering air to the plants, the air delivery ductwork including a plurality of ports below each plant cultivation tray for discharging air from the air delivery ductwork upwardly to deliver air to the plants from below via the tray vents.
14. A method of operating a high-density plant cultivation system, comprising: (a) rollingly supporting a plurality of plant cultivation trays holding plants 15 on a gravity conveyor, the gravity conveyor extending along a conveyor axis between a frame upstream end and a frame downstream end, the conveyor axis sloping downwardly relative to a horizontal plane from the frame upstream end to the frame downstream end; (b) during (a), delivering air, plant nutrient solution, and light to the plants 20 to facilitate plant growth; (c) rolling the plant cultivation trays supported on the gravity conveyor along the conveyor axis toward the frame downstream end via gravitational force; and (d) supplying the plant nutrient solution to a nutrient chamber internal 25 each tray, the nutrient chamber in fluid communication with the plants and enclosed from below by a nutrient chamber bottom wall of the tray, the nutrient chamber bottom wall lying in a bottom wall plane, the bottom wall plane maintained parallel with the horizontal plane during steps (a) to (c).
15. A gravity-driven plant cultivation system, comprising: (a) a frame having a frame upstream end and a frame downstream end 5 spaced horizontally apart from the frame upstream end; (b) a plurality of vertically stacked conveyor assemblies mounted to the frame, each conveyor assembly including at least one gravity conveyor extending between the frame upstream end and the frame downstream end along a conveyor axis, the conveyor axis sloping downwards relative to a horizontal plane from the 10 frame upstream end to the frame downstream end, each gravity conveyor including a pair of supports extending along the conveyor axis and spaced laterally apart from each other by a conveyor opening; and (c) a plurality of plant cultivation trays rollingly supported on each gravity conveyor and urged to translate along a corresponding conveyor axis toward the 15 frame downstream end via gravitational force, each tray including: (i) a tray body having a front directed toward the frame downstream end, a rear axially opposite the front and directed toward the frame upstream end, a pair of underside surfaces spaced laterally apart from each other and extending from the rear to the front parallel with the 20 conveyor axis, and a bottom portion laterally intermediate and at an elevation below the pair of underside surfaces, each underside surface in engagement with a corresponding support for supporting the tray on the conveyor with the lower portion extending into the conveyor opening; and (ii) a plurality of plant cavities in and open to a top of the tray body 25 for holding plants.
16. The system of claim 15, wherein the bottom portion of each tray includes a nutrient chamber internal the tray body and in fluid communication with the plant cavities, the nutrient chamber for holding plant nutrient solution.
17. The system of claim 15 or 16, wherein each plant cavity extends between 5 a cavity top end open to the tray top and a cavity bottom end opposite the cavity top end and extending into the conveyor opening.
18. The system of any one of claims 15 to 17, wherein each tray includes at least one tray vent extending vertically through the tray body in alignment with the conveyor opening for passing air through the tray body to facilitate delivery of air 10 to the plants from below.
19. The system of claim 18, wherein the tray vent passes through the nutrient chamber.
20. The system of claim 18 or 19, further comprising an air delivery ductwork for delivering air to the plants, the air delivery ductwork including a plurality of ports 15 below each plant cultivation tray and in alignment with the conveyor opening for discharging air from the air delivery ductwork upwardly to deliver air to the plants from below via the tray vents.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ807800A true NZ807800A (en) |
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