WO2024020610A1 - Système de culture de plantes - Google Patents

Système de culture de plantes Download PDF

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Publication number
WO2024020610A1
WO2024020610A1 PCT/AT2023/060248 AT2023060248W WO2024020610A1 WO 2024020610 A1 WO2024020610 A1 WO 2024020610A1 AT 2023060248 W AT2023060248 W AT 2023060248W WO 2024020610 A1 WO2024020610 A1 WO 2024020610A1
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle
liquid
filter element
liquid reservoir
plant
Prior art date
Application number
PCT/AT2023/060248
Other languages
German (de)
English (en)
Inventor
Marco KEIBLINGER
Nino KEIBLINGER
Original Assignee
Kk Og
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kk Og filed Critical Kk Og
Publication of WO2024020610A1 publication Critical patent/WO2024020610A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • A01G31/02—Special apparatus therefor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • A01G2031/006—Soilless cultivation, e.g. hydroponics with means for recycling the nutritive solution

Definitions

  • the invention relates to a plant cultivation system, comprising a holding element for holding at least one plant, at least one nozzle which is designed to introduce a liquid into a root area below the holding element, a liquid reservoir for holding a liquid, and a nozzle pump which is designed is to supply liquid from the liquid reservoir to the at least one nozzle.
  • the invention further relates to a method for irrigating a plant, in particular with the aid of a plant breeding system, wherein in a first step a liquid is removed from a liquid reservoir by a nozzle pump and fed to at least one nozzle, so that the at least one nozzle directs the liquid to one Part of the plant is sprayed, and in a second step a part of the liquid sprayed through the at least one nozzle is guided back into the liquid reservoir.
  • Such aeroponic systems in which the roots of the plants are sprayed directly with a liquid nutrient solution, have a difference compared to conventional irrigation methods, such as.
  • Hydroponics-based plant breeding systems have significant advantages. Due to the special climate in the root area, a particularly large number of fine roots develop and the plants' nutrient absorption is improved. In aeroponic systems, the nutrient concentration required by the plants in the nutrient solution is approx. 20% - 60% reduced, so that smaller amounts of fertilizer are required (measurable via the EC Value ) . The lowered EC value also reduces the optimal EC range for plants, which makes it possible to supply different plants with a common nutrient solution, which would require different nutrient solutions in hydroponics.
  • the oxygen supply to the roots is improved by the roots hanging freely in the air and, since no medium such as soil is necessary, there is also less waste.
  • the absence of a medium also leads to a significantly reduced buffer effect and thus changes to the plant, especially the roots, becoming visible much more quickly.
  • plant growth is significantly faster than with conventional systems such as. Observe hydroponics.
  • the document US 2007113472 describes a plant irrigation system with a chamber, a cooling arrangement and a liquid or.
  • the chamber contains several walls and an upper section.
  • the chamber holds the seeds of the plant and contains a liquid that is produced by the liquid or Nutrient delivery system to the seeds or the roots are sprayed.
  • the cooling assembly may include a compressor, an evaporator line and a thermostat. To cool the liquid in the storage container, the compressor compresses a coolant and leads the compressed coolant via the evaporator line Storage container too.
  • a plant cultivation system is to be created which ensures in a simple manner that the liquid, in particular the nutrient solution, remains essentially clean in order not to impair the functionality of the plant cultivation system.
  • the liquid reservoir has a filter element.
  • the arrangement of a filter element in the liquid reservoir enables continuous cleaning of the liquid, in particular a nutrient solution.
  • a complex cleaning of the liquid, especially outside the liquid reservoir, is not necessary.
  • the liquid can, for example, essentially being water.
  • the holding element is preferably essentially plate-shaped and preferably has one or more holding openings, in each of which there is a plant can be arranged.
  • a grid pot is preferably arranged in the holding opening or openings in order to support a plant.
  • the grid pot can, for example, be covered with a foam disc and/or filled with hydroballs.
  • the holding element also preferably has fixing elements in the edge region in order to be arranged on a container, for example. Particularly preferably, the fixing elements are arranged in a different plane than the holding openings, so that the holding element is hood-shaped. With such an embodiment, it is possible to adjust the distance between the holding openings and the nozzles by turning or rotating the holding element.
  • the fixing elements can be, for example, a circumferential support area.
  • the holding element is preferably made of a plastic, but can also be made of a metal, glass, ceramic or wood, for example.
  • a hood-shaped holding element makes it possible, in particular, to set the distance between the nozzle plate and the holding openings differently in two different positions.
  • the system In a first position, the system can be used, for example, as an aeroponic system and in a second position as a hydroponic system.
  • the distance between the nozzle plate and the holding openings is greater in the first position than in the second position.
  • the nozzles are preferably detachably connected to the nozzle line. This makes it possible, for example, to remove the nozzles if the system is to be used as hydroponic irrigation.
  • hydroponic irrigation the liquid level is adjusted so that the roots of the plants arranged in the holding openings are, at least partially, immersed in the liquid and on top of it be supplied with nutrients.
  • the roots of the plants held by the holding element protrude into a root area which is located below the holding element.
  • the nozzle or Several nozzles are arranged in such a way that they can spray liquid into the root area, in particular directly onto the roots, in order to wet the roots protruding into the root area with the liquid and thus supply them with nutrients.
  • the nozzle or the nozzles preferably below the root area or of the holding element arranged.
  • the nozzle or the nozzles on the side of the root area for example. be arranged in a side wall delimiting the root area in the lateral direction.
  • the nozzle or The nozzles are designed as spray nozzles, whereby in particular the liquid is divided into fine droplets and these are distributed to the roots of the plant.
  • the nozzle or the nozzles are designed to remove drops of liquid with a size of approx. 65 pm and/or finer to spray.
  • the nozzle pump is preferably designed to achieve a pressure of approx. 4-10 bar to be provided.
  • the nozzle pump is preferably connected via a suction line to a suction connection, which is arranged in the liquid reservoir, and via a nozzle line to the or. the nozzles to supply the liquid to the nozzles.
  • the nozzle line preferably has several connections for several nozzles.
  • the nozzle line is each connected to a nozzle tied together.
  • only one nozzle pump is preferably provided for all nozzles.
  • two or more nozzle pumps can also be arranged to supply one or more nozzles with liquid.
  • a control element is preferably provided, which is designed to selectively switch the nozzle pump on or off.
  • This arrangement allows, in particular, time-controlled activation of the pump.
  • the pump can be switched on for a short period of time in a defined period of time in order to spray the plants with the liquid.
  • the control element can, for example, be or include a timer that supplies or disconnects energy from the jet pump according to a defined schedule.
  • the filter element has an opening in which a suction connection of the nozzle pump is preferably arranged.
  • the opening creates a limited area or cavity which is surrounded by the filter element.
  • the opening of the filter element is preferably continuous.
  • the opening is designed as a blind hole.
  • the opening is preferably arranged essentially centrally in a plan view of the filter element.
  • the filter element can, for example, have a round or square shape in top view.
  • the opening can also be square or round, for example.
  • the preferred arrangement of a suction connection of the nozzle pump in the opening of the filter element improves the flow of liquid through the filter element and thus the filtering of the liquid.
  • the suction connection of the nozzle pump preferably has a pre-filter in order to filter the liquid sucked in by the nozzle pump even better before it is sent to the is fed to the nozzles.
  • the pre-filter is preferably also arranged in the opening of the filter element.
  • a circulation pump is also preferably provided in the liquid reservoir.
  • the liquid in the liquid reservoir can be kept moving, so that, on the one hand, constant filtering of the liquid is possible with the help of the filter element and, on the other hand, the liquid is enriched with oxygen. This improves the quality of the liquid and thus the fertilization effect.
  • the circulation pump is preferably arranged in an opening of the filter element. Since the circulation pump is surrounded by the filter element, particularly good and uniform filtration of the liquid is possible. This advantage is further improved by the fact that the opening is arranged essentially centrally in the top view.
  • the liquid reservoir is preferably connected to the root area in such a way that liquid is fed from the root area back into the liquid reservoir. It is particularly preferred here that the liquid reservoir is arranged below the root area, so that the liquid from the root area can flow back into the liquid reservoir due to gravity. Alternatively, the liquid reservoir and the root area or be connected to each other via a line through which the liquid can be led from the root area back to the liquid reservoir.
  • a cover plate is arranged above the filter element. The cover plate preferably lies at least in sections on the filter element. The cover plate particularly preferably limits an opening of the filter element.
  • the cover plate is preferably made of a liquid-impermeable material.
  • the cover plate can be used to direct the liquid flow in such a way that essentially all of the liquid sucked in by the nozzle pump is first guided through the filter element.
  • the cover plate preferably has essentially the same shape as the filter element and is particularly preferably slightly larger than the filter element, so that the cover plate projects over the filter element, preferably on all sides.
  • the cover plate preferably has two plate-shaped parts, with a first part particularly preferably covering an opening in the filter element and forming a cavity with the filter element.
  • the second part is preferably essentially annular and covers the filter element itself, wherein, in the top view, the first part is arranged in the opening of the second part.
  • the cover plate can, for example, made of a plastic, glass, ceramic or metal. In a two-part design, the first part and the second part can consist of the same or different materials.
  • the first part can be made of a flexible material such as rubber and the second part can be made of a rigid material such as plastic.
  • the filter element preferably lies on the bottom of the liquid reservoir.
  • a cavity is created through an opening in the filter element is limited by the filter element, the cover plate and the bottom of the liquid reservoir. This causes the liquid entering the opening of the filter element to be essentially completely filtered through the filter.
  • the circulation pump and/or the suction connection of the nozzle pump are preferably located within this cavity.
  • the filter element preferably covers at least 50%, particularly preferably at least 60%, of the area of the floor in order to achieve a particularly good filter effect.
  • the base is preferably essentially flat and further preferably arranged essentially parallel to the holding element and/or the nozzle plate.
  • the bottom of the liquid reservoir preferably has webs which protrude into the liquid reservoir.
  • These webs are preferably arranged within the opening of the filter element and, on the one hand, serve as a grid for the filter element in order to ensure that the filter element lies correctly.
  • the cover plate can lie partially on the webs and be supported by the webs.
  • an edge region of the first part of the cover plate and the inner edge region of the second part of the cover plate partially overlap, with the overlap region also preferably being arranged essentially on the web.
  • the webs preferably essentially correspond to the shape of the opening of the filter element and particularly preferably have a plurality of liquid openings in order to enable the liquid to flow into the center of the opening, in particular to the circulation pump and/or to the suction connection of the nozzle pump.
  • the cover plate Preferably there is at least one gap or gap between the cover plate and the side walls of the liquid reservoir.
  • an open area is provided through which the Liquid can reach the filter element.
  • the cover plate has at least one plate opening through which the liquid can reach the filter element.
  • the plate opening(s) are preferably provided in the edge region of the cover plate.
  • the cover plate has at least one pump opening in the area of the opening of the filter element, in which, for example, a suction line for the nozzle pump and/or a transport line of the circulation pump is provided is. Furthermore, the cover plate can, for example, have an opening for supplying energy to the circulation pump, for example a power cable.
  • a nozzle plate which is connected to the at least one nozzle is arranged below the holding element.
  • the holding element and the nozzle plate are preferably arranged essentially parallel to one another.
  • the nozzle plate preferably has at least one nozzle opening in which the at least one nozzle or a nozzle line to the nozzle is arranged.
  • the nozzle or nozzles are preferably firmly connected to the nozzle plate.
  • the nozzle plate also preferably limits the Root area in which the roots of the plants to be watered can be arranged or are arranged. This prevents the roots from getting into a liquid reservoir located below the nozzle plate.
  • the filter element comprises a biofilter or consists of a biofilter.
  • the filter element is designed to not only mechanically filter the liquid with the help of living beings such as: Microorganisms or Trichoderma enable biological filtering of the liquid.
  • the biofilter is mixed with an appropriate starter culture before the system is put into operation
  • the biofilter makes it possible to filter biological materials such as: Root residues that get into the liquid are filtered out and then broken down. into substances available to plants.
  • the invention further relates to a container comprising a plant growing system according to the invention.
  • the holding element, the nozzle, the liquid reservoir and the filter element are preferably arranged in a common container.
  • the nozzle pump is also either arranged in the container or, preferably, arranged outside the container.
  • the nozzle pump can be attached to a fixing element such as. B. be attached to a hook on a side wall of the container.
  • the nozzle pump is arranged to swing freely, so that vibrations generated by the pumping process are not or only barely transmitted to the container.
  • the container can have the other elements of the plant breeding system described above.
  • the container preferably has a base and side walls connected to the base, so that the liquid reservoir is preferably formed in the lower region of the container and is delimited by the base and the side walls.
  • the container preferably further comprises support elements in order to be able to carry the spray plate and/or the holding element in the desired position.
  • the container particularly preferably consists of a plastic.
  • the container can, for example, made of metal, glass, ceramic or wood.
  • the holding element is preferably designed as a lid of the container.
  • the plant(s) are visible from the outside even when the lid is closed, while the roots of the plant(s) are arranged below the lid.
  • the invention further relates to a method for irrigating a plant, in particular with the aid of a plant breeding system according to the invention, wherein in a first step a liquid is removed from a liquid reservoir by a nozzle pump and fed to at least one nozzle, so that the at least one nozzle absorbs the liquid a part of the plant is sprayed, and in a second step a part of the liquid sprayed through the at least one nozzle is led back into the liquid reservoir, at least part of the liquid being passed through a filter element arranged in the liquid reservoir before it is fed to the at least one nozzle becomes .
  • This process creates a circuit in which the liquid is carried.
  • the liquid in the liquid reservoir is circulated using a circulation pump.
  • FIG. 1 a sectional view of a plant breeding system according to the invention
  • FIG. 2 is an exploded view of the elements of the plant breeding system according to FIG. 1
  • Fig. 3 a first perspective view of the plant breeding system according to FIG. 1
  • Fig. 4 shows a second perspective view of the plant breeding system according to FIG. 1
  • Fig. 5 the plant breeding system according to FIG. 1 in an alternative arrangement.
  • Fig. 1 shows a sectional view of a plant growing system arranged in a container 1.
  • the plant cultivation system comprises a substantially plate-shaped holding element 2, which is designed as a lid of the container 1 and has a plurality of holding openings 3 for receiving plants.
  • the holding element 2 is designed in the shape of a hood, i.e. H .
  • the fixing elements arranged in the edge area lie in a different, deeper level than the holding openings 3.
  • 3 grid pots 4 are arranged in the holding openings, in which plants can be held, with the roots of the plants being able to protrude through the slots in the grid pots 4.
  • Below the holding element 2 several nozzles 5 are arranged, which are held on a common nozzle plate 6.
  • the nozzles 5 are arranged to spray a liquid towards the holding element 2 .
  • the root area is formed between the holding element 2 and the nozzle plate 6.
  • the nozzle plate 6 has a plurality of openings 7, which are formed as gaps formed between the nozzle plate 6 and the container 1 or as holes in the nozzle plate 6 itself.
  • the nozzles 5 are connected via a nozzle line 8 to a nozzle pump 9, which is attached to a side wall of the container 1 outside the container 1.
  • the nozzle pump 9 is connected to a power source via a power line 10 to supply energy.
  • a liquid reservoir 11 is formed through the bottom and the side walls of the container 1.
  • a filter element 12 is arranged in the liquid reservoir 11 and lies on the bottom of the container 1 and is covered at the top by a cover plate 13 .
  • the filter element 12 has a continuous opening 14 which, together with the bottom of the container 1 and the cover plate 13, forms a substantially closed cavity.
  • the cover plate 13 is designed in two parts, with a first part 15 essentially covering the cavity or the opening 14 covers and a second part 16 essentially covers the filter element 12 itself.
  • the edge area of the first part 15 and the inner edge area of the second part 16 are designed to overlap and lie on webs 17 that are firmly connected to the floor.
  • gaps 18 are formed through which liquid can be guided to the filter element 12.
  • a suction connection 19 and a circulation pump 20 are arranged in the cavity formed by the opening 14.
  • the suction connection 19 is connected to the nozzle pump 9 via a suction line 21 and has a suction filter 22.
  • the circulation pump 19 is connected to an energy source via a power line 23 and is designed to discharge liquid the opening 14 through a pump opening 24 of the cover plate 13.
  • liquid in particular a nutrient solution
  • the circulation pump 19 sucks, for example. continuously supplies liquid, which is first guided through the filter element 12 and thereby filtered due to the arrangement of the cavity formed by the opening 14. The liquid is then guided by the circulation pump 19 through the cover plate 13 into the area between the cover plate 13 and the spray plate 6. Furthermore, irrigation or for nutrient supply, e.g. At regular intervals, liquid is pumped by the nozzle pump 9 from the cavity formed by the opening 14 through the suction connection 18 to the nozzle pump 9 and then through the nozzle line 8 to the individual nozzles 5.
  • the nozzles 5 then spray the liquid into the area below the holding element 2 in which the roots of the plants are arranged. As a result, the roots of the plants are moistened and supplied with nutrients. The excess liquid drips onto the nozzle plate 6 and is returned through the gap 7 into the liquid reservoir 11.
  • Fig. 2 is an exploded view of the plant growing system according to FIG. l shown. In particular, it is shown that the cover plate 13 and the filter element
  • Fig. 3 is the container 1 according to FIG. 1, comprising the plant cultivation system, shown in the closed state.
  • Fig. 4 is the container 1 according to FIG. 1 shown in the open state, in which the nozzle plate 5 is also opened, for example. to enable access to the filter element 12.
  • the holding element 2 is held in the open state by a holder 25.
  • Fig. 5 is the container 1 according to FIG. 1 shown in an alternative arrangement.
  • the holding element 2 is different from the illustration in FIGS. 1 to 4 turned over so that the holding openings 3 and the plants arranged therein are arranged closer to the nozzle plate 6.
  • the edge area of the holding element 2 is higher than the holding openings 3.
  • the nozzles 5 can be removed as shown.
  • the plants arranged in the grid pots 4 are supplied directly with the liquid.
  • the liquid circuit essentially works as shown in Figures. 1 to 4 described, with the difference that the roots of the plants are not sprayed with the nozzles 5, but rather liquid is applied from the nozzle line 8.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Hydroponics (AREA)

Abstract

L'invention concerne un système de culture de plantes comprenant : un élément de maintien (2) pour recevoir au moins une plante ; au moins une buse (5) qui est conçue pour introduire un liquide dans une région de racine sous l'élément de maintien (2) ; un réservoir de liquide (11) pour recevoir un liquide ; et une pompe à buse (9) qui est conçue pour fournir du liquide depuis le réservoir de liquide (11) vers la ou aux buses (5). Selon l'invention, le réservoir de liquide (11) comprend un élément filtrant (12).
PCT/AT2023/060248 2022-07-25 2023-07-25 Système de culture de plantes WO2024020610A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50560/2022 2022-07-25
ATA50560/2022A AT526391A1 (de) 2022-07-25 2022-07-25 Pflanzenzuchtsystem

Publications (1)

Publication Number Publication Date
WO2024020610A1 true WO2024020610A1 (fr) 2024-02-01

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PCT/AT2023/060248 WO2024020610A1 (fr) 2022-07-25 2023-07-25 Système de culture de plantes

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AT (1) AT526391A1 (fr)
WO (1) WO2024020610A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070113472A1 (en) 2005-11-02 2007-05-24 Michael Plowman Aeroponic system and method for plant propagation
CN206791284U (zh) * 2017-03-02 2017-12-26 北京鑫福腾农业科技有限公司 立式雾化种植机
KR20210038131A (ko) * 2019-09-30 2021-04-07 주식회사 유니텍시스템 수경재배기

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
US9113606B2 (en) * 2009-09-09 2015-08-25 Guy M. Gardner Growing system for hydroponics and/or aeroponics
US20180332786A1 (en) * 2017-05-20 2018-11-22 Daniel Michael Leo Aeroponic farming systems and methods
CN108157157A (zh) * 2018-02-09 2018-06-15 唐麒华 植物栽培箱及使用该植物栽培箱的植物生长器
WO2021168300A1 (fr) * 2020-02-19 2021-08-26 Eden Growth Systems Inc. Tours de croissance
FI130311B (fi) * 2020-11-06 2023-06-13 Siukkula Oy Aeroponinen viljelyjärjestelmä ja menetelmä

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070113472A1 (en) 2005-11-02 2007-05-24 Michael Plowman Aeroponic system and method for plant propagation
CN206791284U (zh) * 2017-03-02 2017-12-26 北京鑫福腾农业科技有限公司 立式雾化种植机
KR20210038131A (ko) * 2019-09-30 2021-04-07 주식회사 유니텍시스템 수경재배기

Non-Patent Citations (2)

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Title
CIVIL AND ENVIRONMENTAL ENGINEERING DE GRUYTER GERMANY, vol. 17, no. 1, 22 June 2021 (2021-06-22), pages 242 - 251, ISSN: 1336-5835, DOI: 10.2478/CEE-2021-0025 *
DATABASE INSPEC [online] THE INSTITUTION OF ELECTRICAL ENGINEERS, STEVENAGE, GB; 1 June 2021 (2021-06-01), MULAY B N ET AL: "Study of Biofilter Planted with Basil for Removal of Ammonia in Aquaponic Water", XP002810185, Database accession no. 20788166 *

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