WO2018051315A1 - Appareil de pulvérisation de produits chimiques et/ou organiques dans un mélange aqueux - Google Patents

Appareil de pulvérisation de produits chimiques et/ou organiques dans un mélange aqueux Download PDF

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Publication number
WO2018051315A1
WO2018051315A1 PCT/IB2017/055667 IB2017055667W WO2018051315A1 WO 2018051315 A1 WO2018051315 A1 WO 2018051315A1 IB 2017055667 W IB2017055667 W IB 2017055667W WO 2018051315 A1 WO2018051315 A1 WO 2018051315A1
Authority
WO
WIPO (PCT)
Prior art keywords
chemical
conduit
fluid
water supply
sprayed
Prior art date
Application number
PCT/IB2017/055667
Other languages
English (en)
Inventor
Paolo De Nora
Original Assignee
Euroequipe S.R.L.
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 Euroequipe S.R.L. filed Critical Euroequipe S.R.L.
Publication of WO2018051315A1 publication Critical patent/WO2018051315A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
    • B05B12/006—Pressure or flow rate sensors
    • B05B12/008—Pressure or flow rate sensors integrated in or attached to a discharge apparatus, e.g. a spray gun
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/244—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle
    • B05B7/2443—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together downstream of the container before discharge

Definitions

  • the present invention concerns an apparatus for spraying chemical and/or organic products in aqueous mixture.
  • Apparatuses have been provided that allow to nebulize the aqueous mixture containing the desired products, such as fertilizers, pesticides, anti-crucibles and the like.
  • desired products such as fertilizers, pesticides, anti-crucibles and the like.
  • Known apparatuses with manual or electric actuation, comprise a tank of mixture to be sprayed, usually of relatively large size, connected by a suitable flexible piping to a tubular element containing the nebulizer device.
  • the tank or the pumping members may be mounted on a frame equipped with one or more wheels allowing the apparatus to be pulled by the user.
  • a spray dispensing device of this type is disclosed in patent application US 2015/0021412.
  • This apparatus comprises a frame having wheels on which a pump and a pump drive motor are mounted.
  • the pump is connected through a flexible hose to a spray gun through which a conduit, due to the high-pressure water flow generated by the pump, passes.
  • the spray gun is connected with a container of the chemical product to be mixed with the water passing through the conduit.
  • German patent application DE 10 2005 054 868 discloses a device for irrigation wherein a fertilizer is supplied into the water conveyed through a conduit.
  • the task of the present invention is to solve the aforementioned problems, devising an apparatus that allows to perform in a simple and effective way the spraying of chemical and/or organic products in aqueous mixture, ensuring a quick and accurate mixing.
  • a further scope of the present invention is to provide an apparatus that allows to spray a great quantity of mixed product.
  • Another scope of the invention is to provide an apparatus that eases dosing and mixing of chemical and/or organic products to be sprayed.
  • Another scope of the invention is to provide an apparatus of simple constructive and functional conception, provided with surely reliable functioning, versatile use as well as relatively economic costs.
  • the apparatus for spraying chemicals and/or organic products in aqueous mixture comprises a conduit predisposed to be connected with the water supply network to allow the passage therethrough of the fluid supplied by said water supply network, due to the pressure generated by said water supply network, and a container of the chemical and/or organic product to be mixed associated with said conduit.
  • the maximum pressure of the apparatus is 3 bar.
  • the working pressure of the apparatus is comprised between 1 bar and 3 bar.
  • the said chemical and/or organic product is suctioned, in use, into said conduit, to be mixed with said fluid that passes through the conduit, by Venturi or similar effect.
  • said chemical and/or organic product container is associated with suction means including a calibrated pipe suctioning in the same container of the chemical and/or organic product.
  • said container of said chemical and/or organic product to be mixed is arranged downstream of a flow adjustment device provided with an opening member for controlling the passage of the fluid.
  • the apparatus comprises a quick-coupling member predisposed to be connected with the water supply network to allow the passage of the fluid through said conduit due to the pressure generated by the same water supply network.
  • the apparatus comprises a check valve arranged upstream of said suction means to prevent the return of the chemical and/or organic product to said water supply network.
  • said check valve is associated with said quick-coupling member.
  • said check valve is housed inside said quick-coupling member.
  • said check valve comprises a sphere of material of resin type.
  • said flow regulator device is arranged downstream of said check valve.
  • the apparatus comprises a nebulizer device arranged at the free end of said conduit.
  • the present invention also concerns a method for spraying chemical and/or organic products in aqueous mixture, comprising the steps of providing a conduit capable of being traversed by a pressurized fluid; connecting said conduit to the water supply network to allow the passage of the fluid due to the pressure generated by said water supply network; suctioning a chemical and/or organic product from a container associated with said conduit to mix said product with said fluid traversing said conduit; spraying said aqueous mixture through a nebulizer device placed at the free end of said conduit.
  • Figure 1 shows an overall side view of the apparatus for spraying chemical and/or organic products in aqueous mixture according to the invention
  • Figures 2 and 3 respectively show a detail side view of different portions of the apparatus according to the invention
  • Figure 4 shows an exploded view of a different embodiment of the apparatus according to the invention.
  • the apparatus for spraying chemical and/or organic products in aqueous mixture according to the invention is indicated in its entirety with 1 .
  • the apparatus comprises a coupling member 2 for connection with the water supply network, in particular a quick-coupling member for flexible hoses. Downstream of the coupling member 2 there is, in line, a check valve 3, axially associated with said coupling member 2, predisposed to prevent the product to flow into the water supply network.
  • the check valve 3 is connected in line with counting means 4 of the quantity of fluid to be sprayed.
  • counting means 4 may be constituted by a mechanical or digital counter predisposed to provide measurement of the volume of fluid supplied through the apparatus.
  • the counting means 4 may be equipped, as specified below, with a timer capable of blocking the passage of the fluid upon reaching a predetermined quantity.
  • a handle 5 downstream of the counting means 4 there is a handle 5, preferably of ergonomic type, for handling the apparatus during use.
  • the handle 5 is shaped above a tubular element 6 that is connected, in line, at one side with the counting means 4, at the opposite side with a flow regulator device 7, and is provided with a control member 8 of the opening to start the passage of the fluid; the control member 8 is usefully made up of a discharge lever lockable in the opening position through a suitable button 9.
  • a mixing device 14 predisposed to mix a predetermined percentage of chemical and/or organic product with the fluid to be sprayed.
  • the mixing device 14 is associated with a container 10 of the chemical and/or organic product to be mixed with the fluid to obtain the mixture to be sprayed.
  • the chemical and/or organic product is put into the container 2 in liquid form.
  • the container 10, suitably sized to measure the quantity of product inserted, may have different capacity depending on the use requirement.
  • a suction pipe 1 1 suctions within the container 10 of the product, calibrated to allow the preestablished mixing.
  • a tubular element 12 Downstream of the container 10 of the product a tubular element 12 is provided having, for example, an adjustable length. At one end of such tubular element 12 a spraying device 13 is connected, predisposed to nebulize the sprayed mixture with fixed or variable jet.
  • the container 10 of the product comprises a tank 15 substantially jar-shaped that is predisposed to be coupled, for example by a bayonet coupling, with a bell-shaped body 16 extending perpendicularly from the mixer 14.
  • the suction pipe 1 1 that suctions in the reservoir 15 axially extends inside the body 16.
  • the suction of the product contained in the tank 15 can be obtained through a mixing device 14 working by Venturi effect.
  • a mixing device 14 working by Venturi effect.
  • a coil 17 is mounted to precisely adjust the percentage of chemical and/or organic product to be mixed with the fluid to be sprayed.
  • the apparatus is provided with a series of coils 17 predisposed to be mounted interchangeably on the suction pipe 1 1 and intended for providing the mixer device 14 with different percentages of chemical and/or organic product.
  • the apparatus comprises a nebulizer device 13 with multiple nozzles, in particular provided with three independently adjustable nozzles.
  • the three nozzles can be adjusted for long distances of for thinner jets.
  • the apparatus is connected with the water supply network, for example through a quick-coupling of the coupling member 2 with a corresponding joining member 21 placed at one end of a flexible hose 20.
  • the control lever is operated in order to start the discharge of the fluid through the same apparatus.
  • the apparatus defines a conduit through which the fluid supplied by the water supply network can flow.
  • the passage of the fluid along said conduit determines the suctioning of the chemical and/or organic product from the container 10 in which it has been previously put in a predetermined quantity, so as to create the aqueous mixture to be sprayed.
  • the optimum pressure of the water supply network is suitably between 1 bar and 3 bar, that is the maximum operating pressure of the apparatus.
  • the counter 4 placed in line in the apparatus, allows one to exactly detect the volume of the sprayed mixture.
  • the suitably adjustable timer associated with the counter 4 allows the fluid flow to be stopped when the pre-established quantity is reached.
  • the product is suctioned through the suction pipe 1 1 that is calibrated so as to perform the pre-established mixing.
  • the device may also work without a counter or a timer since the duration of spraying and the percentage of active ingredient inside the sprayed mixture can be easily calculated knowing the flow rate of the sprayer.
  • the active ingredient to be mixed is usually coloured or can be easily coloured, therefore the attainment of a correct mixing can be determined even only visually from the transparent container of the active ingredient.
  • the aqueous mixture is then sprayed where required by the nebulizer device 13.
  • the jet intensity is suitably adjusted according to the specific requirements through the flow regulator device 7, that is also provided with the control member 8 of the opening of the conduit.
  • the described apparatus thus reaches the scope of performing in a simple and effective way the spraying of chemical and/or organic products in aqueous mixture, particularly in the field of agriculture or gardening.
  • the apparatus of the present invention allows a sprayed jet larger than 5 meters and with a simultaneously covered surface greater than 5 square meters.
  • the use of multiple nozzle allows reducing dramatically the disinfection, treatment, and/or fertilization time, as it is sufficient less than a minute to cover a surface of 100 square meters.
  • Another advantage offered by the apparatus according to the invention is to ease dosing and mixing of chemical and/or organic products to be sprayed, thereby also reducing the risk due to contact with such products.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Catching Or Destruction (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Appareil de pulvérisation de produits chimiques et/ou organiques dans un mélange aqueux comprenant un conduit prédisposé pour être raccordé à un réseau d'alimentation en eau pour permettre le passage d'un fluide en raison de la pression produite par ledit réseau d'alimentation en eau. Le conduit comprend, en ligne, un clapet de non-retour (3) ; un dispositif de régulation d'écoulement (7) ayant un élément d'ouverture (8) pour le passage de fluide ; un contenant (10) du produit chimique et/ou organique à mélanger disposé en aval dudit dispositif de régulation d'écoulement (7) ; un dispositif nébuliseur (13) associé audit dispositif de régulation d'écoulement (7) et raccordé audit contenant (10) du produit chimique et/ou organique à mélanger par l'intermédiaire d'un moyen d'aspiration du même produit qui sont actionné par le passage du fluide sous pression dans ledit conduit.
PCT/IB2017/055667 2016-09-19 2017-09-19 Appareil de pulvérisation de produits chimiques et/ou organiques dans un mélange aqueux WO2018051315A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102016000094012A IT201600094012A1 (it) 2016-09-19 2016-09-19 Apparecchiatura per l’erogazione di prodotti chimici e/o organici in miscela acquosa
IT102016000094012 2016-09-19

Publications (1)

Publication Number Publication Date
WO2018051315A1 true WO2018051315A1 (fr) 2018-03-22

Family

ID=58545039

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2017/055667 WO2018051315A1 (fr) 2016-09-19 2017-09-19 Appareil de pulvérisation de produits chimiques et/ou organiques dans un mélange aqueux

Country Status (2)

Country Link
IT (1) IT201600094012A1 (fr)
WO (1) WO2018051315A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1655584A1 (fr) * 2004-11-04 2006-05-10 Bernard-Nicolas Vitkovsky Pistolet d'arrosage avec compteur d'eau et programateur integres
DE102005054868A1 (de) * 2005-11-17 2007-05-24 SIKA Dr. Siebert & Kühn GmbH & Co. KG Bewässerungseinrichtung für Pflanzen
EP1884292A1 (fr) * 2006-08-02 2008-02-06 Chen, Ho-Chin Dispositif d'affichage du volume d'écoulement d'eau pour buse d'arrosage
US20150021412A1 (en) * 2009-05-06 2015-01-22 Briggs & Stratton Corporation Chemical injector for spray device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1655584A1 (fr) * 2004-11-04 2006-05-10 Bernard-Nicolas Vitkovsky Pistolet d'arrosage avec compteur d'eau et programateur integres
DE102005054868A1 (de) * 2005-11-17 2007-05-24 SIKA Dr. Siebert & Kühn GmbH & Co. KG Bewässerungseinrichtung für Pflanzen
EP1884292A1 (fr) * 2006-08-02 2008-02-06 Chen, Ho-Chin Dispositif d'affichage du volume d'écoulement d'eau pour buse d'arrosage
US20150021412A1 (en) * 2009-05-06 2015-01-22 Briggs & Stratton Corporation Chemical injector for spray device

Also Published As

Publication number Publication date
IT201600094012A1 (it) 2018-03-19

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