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WO2003090527A1 - Cone deflecteur pour dispositifs de fumigation agricoles et autres dispositifs semblables - Google Patents

Cone deflecteur pour dispositifs de fumigation agricoles et autres dispositifs semblables Download PDF

Info

Publication number
WO2003090527A1
WO2003090527A1 PCT/ES2003/000175 ES0300175W WO03090527A1 WO 2003090527 A1 WO2003090527 A1 WO 2003090527A1 ES 0300175 W ES0300175 W ES 0300175W WO 03090527 A1 WO03090527 A1 WO 03090527A1
Authority
WO
WIPO (PCT)
Prior art keywords
deflector
cone
agricultural
fumigators
flat
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/ES2003/000175
Other languages
English (en)
Spanish (es)
Inventor
Joan Carles ESTORACHI GÓMEZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ILEMO-HARDI SA
Original Assignee
ILEMO-HARDI SA
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 ILEMO-HARDI SA filed Critical ILEMO-HARDI SA
Priority to AU2003224167A priority Critical patent/AU2003224167A1/en
Publication of WO2003090527A1 publication Critical patent/WO2003090527A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0003—Atomisers or mist blowers
    • A01M7/0014—Field atomisers, e.g. orchard atomisers, self-propelled, drawn or tractor-mounted

Definitions

  • the present invention relates to a baffle cone for agricultural spraying devices and the like, providing sensitive features of novelty and inventive activity.
  • baffles also called “baffle cones”
  • spraying devices of phytosanitary products and the like also called “fumigation” devices
  • flumigation devices for projecting phytosanitary or other products in the form of fine mist of liquid droplets that carry phytosanitary products in suspension and / or solution, adopting an appearance similar to a fog or "smoke”.
  • the equipment used for spraying or spraying by means of phytosanitary products comprises a fan for the drive of the entrained air and a pump for the liquid product carrying the phytosanitary products, constituting an assembly that is usually driven by a power take-off of an agricultural tractor, forming a mass of fine droplets that is carried by the passage of liquid under pressure through nozzles, so that the air velocity at the exit of the apparatus Spraying should be sufficient so that the fine drops of liquid can be dragged to the desired points of the tree mass.
  • the air flow of the fan is deflected at 90 °, so that the axial current of the projection fan is transformed into a radial current distributed along a sector of circle of variable amplitude, for example, about 270 °. Therefore, this type of apparatus is faced with a sensitive technical problem by having to divert the air flow by 90 °, distributing it according to the circle sector mentioned, which causes aerodynamic performance problems with the consequent waste of drive power.
  • the outlet opening thereof narrows substantially, which again tends to decrease the performance of the assembly.
  • volumetric yields (considered as the ratio between the really generated flow and the theoretical flow of the fan), which reach values below 40%, are experienced in practice.
  • the present invention is precisely intended to achieve a better performance in the spray devices for projection of phytosanitary products or "fumigators" currently known achieving a better volumetric performance in the whole of the spraying apparatus and also, improving the selective addressing of the air outlet currents to improve the distribution of the Phytosanitary product or similar in the tree mass to be treated.
  • Figures 1 and 2 show both perspective and front elevation views of a spray baffle cone with a design corresponding to the state of the art.
  • Figure 3 schematically shows the distribution of the projection jets of a spray apparatus according to the state of the art.
  • Figure 4 shows a view similar to Figure 3 in which the spray effect achieved by the present invention is observed in comparison with that achieved with the prior art.
  • Figures 5 and 6 show paths in front elevation and in section of a deflector according to the invention.
  • FIGS 7 and 8 are details in section by the indicated cutting planes.
  • Figures 9 and 10 show respectively perspective and front elevation views of a baffle incorporating the present invention.
  • Figure 11 shows a perspective view of a spraying apparatus for phytosanitary products to which the present invention is applied.
  • Figure 12 shows a perspective view of a baffle for spray apparatus according to the invention.
  • a spray apparatus of the type known in the state of the art is constituted as seen in Figure 11, observing the main body -1- carrier of a fan -2- with its external protective grid -3- and an internal baffle cone -4- constituting an interstitium between said deflector cone -4- and the wall -5- of the enclosure body through which the drag air and droplets of the phytosanitary product are projected, being arranged in said interstitium a separator assembly formed by multiple elements intermediate laminar -6- of the type corresponding to the Utility Model n g 9201618 of the applicant.
  • the distribution of the output air currents implies a high flow rate in the lower areas of the total projection sector, that is, in the areas indicated with the numerals -24- and -25-.
  • a spraying apparatus -13- of which two circle sectors representative of the projection of the phytosanitary product are projected laterally said cones having been represented respectively by the radii -14-, -14'- and -15-, -15'- showing the limitation of both distribution cones with respect to two trees -16- and -17-.
  • the approximate maximum diameter of each of the trees -16- and -17- has been shown in about 4 meters and the separation between the axes thereof in about 6 meters, the height of about 4 being appreciated ,5 meters.
  • Scales representing the values of the velocities in meters / second and in% of treatment respectively referred to the air outlet velocities in the deflector and the% of treatment according to the height of the trees under consideration have been represented in orderly paths.
  • the exit velocity of the drag air jets is maximum in the lower areas indicated above, that is, close to the radii -14- and -15- used in said figure to show the lower end of the air flow distribution sectors. This obviously translates into a waste of spray energy and product projected phytosanitary.
  • the inventors have carried out different experiments aimed at suppressing the turbulent zones indicated above -22- and -23- and reducing the output velocity in zones -24- and -25- concentrating the projected beam and, by therefore, the spray energy in the highest areas of the plant, thus taking advantage of the spray energy and the projected product.
  • a deflector -26- carried out in accordance with the present invention which has a central frustoconical body -27-, the provision of a transition surface between the lower guide fin -28- and: the surface of the cone trunk -27-, the peripheral flat area -29- of the deflector and the flat bottom -34-, whose transition surface saves the concavity practically at a previously existing right angle, instead forming a complex surface of Transition -30- of smoothly concave structure according to any of the cutting planes perpendicular to the plane of the peripheral area -29- of the deflector.
  • said surface -30- extends over the substantially flat bottom flange -34- of the deflector along the gently curved line -35-, substantially reducing the free width of said flange -34- with respect to conventional designs.
  • Said transition surface links with the lower flat flap of the deflector according to a smooth and concave edge with the outwardly directed concavity extending to most of the surface of said flat fin.
  • the deflector cone of the invention has been shown in more detail in Figure 12, it being observed that it comprises a large wall or peripheral flat area -7- and a centrally substantially conical central surface -8- irregularly by the arrangement of a substantially sensitive area lower plane -9- thus limiting the development of the effective lateral surface of the cone trunk -8- to a circle sector smaller than 360 °, for example about 270 °.
  • Multiple fixed or mobile vanes, such as -10-, -10'-, -10 "-..., forming two symmetrical zones can be arranged on the conical body -8- and on the flat wall or peripheral part -7-.
  • vanes extend according to a geometric shape adapted to the conditioned air stream lines, by the distribution of the air outside the fumigation apparatus, to points comprised within the flat peripheral wall of the deflector without protruding from the perimeter thereof.
  • the vanes integrated in the deflector cone extend radially to points comprised within the flat peripheral wall of the deflector without protruding from the perimeter thereof.
  • vanes associated with the deflector are adjustable at an angle to change the characteristics of the distribution of the air to different crops and geometries of the trees to be treated- Tai as seen in the figures, a preferred solution provided by the present improvements will consist of arranging the straight crest or surface -28- flush with the edge of the lower flange noticeably flat -34-,

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)

Abstract

L'invention concerne un cône se caractérisant par une surface de transition légèrement concave reliant la crête de la palette directrice à une zone intermédiaire du corps tronconique et à la surface ou collier périphérique du déflecteur, sans arêtes perceptibles, et reliée à l'ailette plate inférieure du déflecteur par une arête légère et concave, la concavité étant dirigée vers l'extérieur s'étendant à la majeure partie de la surface de ladite ailette plate.
PCT/ES2003/000175 2002-04-24 2003-04-16 Cone deflecteur pour dispositifs de fumigation agricoles et autres dispositifs semblables Ceased WO2003090527A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003224167A AU2003224167A1 (en) 2002-04-24 2003-04-16 Deflector cone for agricultural fumigators and similar devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200200958 2002-04-24
ES200200958 2002-04-24

Publications (1)

Publication Number Publication Date
WO2003090527A1 true WO2003090527A1 (fr) 2003-11-06

Family

ID=29266070

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2003/000175 Ceased WO2003090527A1 (fr) 2002-04-24 2003-04-16 Cone deflecteur pour dispositifs de fumigation agricoles et autres dispositifs semblables

Country Status (2)

Country Link
AU (1) AU2003224167A1 (fr)
WO (1) WO2003090527A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20100112A1 (it) * 2010-02-25 2011-08-26 Tifone Srl Distributore di sostanze del tipo di biocidi, fertilizzanti, principi attivi ed eccipienti
ITBO20100736A1 (it) * 2010-12-15 2012-06-16 Tifone Srl Veicolo per la diffusione di sostanze attive a scopo di lotta fitosanitaria, particolarmente trattamenti antiparassitari alle coltivazioni arboree, compresi frutteti e vigneti ed altre culture, disinfezione, disinfestazione, abbattimento di parassiti
RU2757495C1 (ru) * 2021-04-15 2021-10-18 Федеральное государственное бюджетное научное учреждение «Федеральный научный агроинженерный центр ВИМ» (ФГБНУ ФНАЦ ВИМ) Дефлекторный распылитель

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1439177A (en) * 1918-03-11 1922-12-19 Gen Fire Extinguisher Co Sprinkler head
US2620230A (en) * 1947-10-04 1952-12-02 Fmc Corp Insecticide spreading machine
GB713206A (en) * 1952-01-09 1954-08-04 Leonard Charles Pearch Improvements in machines for spraying insecticides and the like
ES306436A1 (es) * 1963-11-27 1965-05-16 Deere & Co Procedimiento para distribuir liquido pulverizable tal como por ejemplo, fertilizantes, agentes para combatir las plagas del campo o similares
FR2668399A1 (fr) * 1990-10-26 1992-04-30 Nicolas Pulverisateurs Pulverisateur pour le traitement de vegetaux a l'aide d'un liquide pulverise dans une veine d'air.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1439177A (en) * 1918-03-11 1922-12-19 Gen Fire Extinguisher Co Sprinkler head
US2620230A (en) * 1947-10-04 1952-12-02 Fmc Corp Insecticide spreading machine
GB713206A (en) * 1952-01-09 1954-08-04 Leonard Charles Pearch Improvements in machines for spraying insecticides and the like
ES306436A1 (es) * 1963-11-27 1965-05-16 Deere & Co Procedimiento para distribuir liquido pulverizable tal como por ejemplo, fertilizantes, agentes para combatir las plagas del campo o similares
FR2668399A1 (fr) * 1990-10-26 1992-04-30 Nicolas Pulverisateurs Pulverisateur pour le traitement de vegetaux a l'aide d'un liquide pulverise dans une veine d'air.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20100112A1 (it) * 2010-02-25 2011-08-26 Tifone Srl Distributore di sostanze del tipo di biocidi, fertilizzanti, principi attivi ed eccipienti
ITBO20100736A1 (it) * 2010-12-15 2012-06-16 Tifone Srl Veicolo per la diffusione di sostanze attive a scopo di lotta fitosanitaria, particolarmente trattamenti antiparassitari alle coltivazioni arboree, compresi frutteti e vigneti ed altre culture, disinfezione, disinfestazione, abbattimento di parassiti
RU2757495C1 (ru) * 2021-04-15 2021-10-18 Федеральное государственное бюджетное научное учреждение «Федеральный научный агроинженерный центр ВИМ» (ФГБНУ ФНАЦ ВИМ) Дефлекторный распылитель

Also Published As

Publication number Publication date
AU2003224167A1 (en) 2003-11-10

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