WO2008095527A1 - Dispositif de pulvérisation destiné à distribuer des liquides - Google Patents

Dispositif de pulvérisation destiné à distribuer des liquides Download PDF

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Publication number
WO2008095527A1
WO2008095527A1 PCT/EP2007/011436 EP2007011436W WO2008095527A1 WO 2008095527 A1 WO2008095527 A1 WO 2008095527A1 EP 2007011436 W EP2007011436 W EP 2007011436W WO 2008095527 A1 WO2008095527 A1 WO 2008095527A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
carrier liquid
line
active agent
carrier
Prior art date
Application number
PCT/EP2007/011436
Other languages
German (de)
English (en)
Inventor
Volker Ehlen
Original Assignee
Amazonen-Werke H. Dreyer Gmbh & Co. Kg
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
Priority claimed from DE102007038636A external-priority patent/DE102007038636A1/de
Application filed by Amazonen-Werke H. Dreyer Gmbh & Co. Kg filed Critical Amazonen-Werke H. Dreyer Gmbh & Co. Kg
Priority to EP07857132A priority Critical patent/EP2114134A1/fr
Priority to EA200970715A priority patent/EA200970715A1/ru
Publication of WO2008095527A1 publication Critical patent/WO2008095527A1/fr

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
    • A01M7/0089—Regulating or controlling systems
    • A01M7/0092—Adding active material

Definitions

  • Spraying device for dispensing liquids
  • the invention relates to an injection device for dispensing liquids according to the preamble of claim 1.
  • Such a spray device is known for example from DE 10 2004 047 585 A1.
  • This spraying device has an active ingredient reservoir and a drug reservoir.
  • the drug reservoir is concentrated liquid pesticide.
  • the liquid active substance located in the active substance storage container can be fed to the active ingredient supply container via a discharge line.
  • the concentrated drug in the vicinity of the dispensing nozzles is fed into the carrier liquid.
  • prediluted active substance can also be introduced into the active substance preliminary container.
  • a predilution pump is provided, which sucks an exactly defined amount of active substance and carrier liquid per pressure pulse and fills it with the active ingredient reservoir in dilute liquid during the dispensing process.
  • This type of pre-dilution of the concentrated active ingredient is relatively expensive and therefore expensive due to the predilution pump and during the predilution during the dispensing process.
  • the invention has for its object to improve the known injection device for dispensing liquids or the method for using an injection device to the effect that with simple means a trouble-free dosing of the active agent only immediately before application in the carrier liquid outside the liquid tank in the carrier liquid.
  • the active agent agent is prediluted in a separate operation prior to the application of the liquid on agricultural land in the premixer and then the prediluted drug agent is fed into the carrier liquid through the metering pump.
  • the prediluted drug agent is fed into the carrier liquid, so that only very little carrier liquid is contaminated.
  • An advantageous feed of the prediluted active agent into the carrier liquid and thorough mixing of the prediluted active agent with the carrier liquid is achieved in that a mixing device is arranged between the feed point of the prediluted active agent in the carrier liquid line and the spray nozzles of the spray bar assembly in the carrier liquid line.
  • An advantageous embodiment of the spraying device for prediluting the active agent can be achieved in that the premix container has at least such a volume that sufficient vorverPhyntes drug agent from the premix container tuned to the sufficient supply of prediluted drug in the liquid tank located in the carrier liquid carrier liquid to the maximum capacity of carrier liquid the liquid tank is receivable.
  • An advantageous dimensioning of the premix container can be ensured by the fact that the capacity of the premix container max. 1/10 volume of the liquid tank or at least 100 l.
  • the metering line which is arranged between the premix container and the carrier liquid line, in which the metering pump is arranged, as seen in the flow direction behind the arranged in the carrier liquid line pump opens into the carrier liquid line.
  • the metering line which is arranged between the premix container and the carrier liquid line and in which the metering pump is arranged, opens into the carrier liquid line, viewed in the flow direction, before the pump arranged in the carrier liquid line.
  • a simpler designed metering pump can be used, which feeds the prediluted active agent in the region of the carrier liquid line, in which the carrier liquid located in the line is not yet pressurized, but is in the intake state.
  • the metering pump it is therefore not necessary that the metering pump must feed the prediluted active agent against an increased pressure of the carrier liquid line.
  • a mixing device is assigned to the premix container.
  • a simple implementation of a method for dispensing the liquids with the spray device described above is achieved by prediluting and / or dissolving the active ingredient with a diluent liquid in a separate operation before applying the liquid to agricultural surfaces in the premix container such that at least as much active agent vorverPlannt in the premix tank in this operation and dissolved, sufficient for at least for application with a carrier liquid amount that can accommodate the carrier liquid tank maximum, and that during the injection process via the metering the at least one prediluted and / or dissolved active ingredient in the carrier liquid line in metered Way fed and in the mixing chamber, the at least one prediluted drug agent is uniformly mixed with the carrier liquid.
  • the active agent agent is mixed in a prediluted manner for one or more fillings of the liquid tank - Larger amounts of spray can be carried for several liquid tank fillings of carrier liquid
  • Mixing of the prediluted active substance liquid can be carried out separately from the filling of the liquid tank with carrier liquid
  • the spray system according to the invention is salaried entrepreneur and committed raveelift
  • premix container only as much drug is prediluted, as he needed for the labde area.
  • Many customers can be operated individually with a carrier liquid filling the liquid tank, it must only be diluted in each case the required amount of active ingredient, which is then fed to the carrier liquid located in the liquid tank usually water directly from the application of the carrier liquid.
  • FIG. 1 shows a liquid plan of a conventional conventional syringe during the flushing of a granulated or liquid active ingredient via the dispenser container in the liquid tank for applying the spray mixture in a schematic representation, according to the prior art
  • FIG. 3 shows the liquid plan according to FIG. 1, but in the situation of discharging the spray mixture onto the target surface, FIG.
  • FIG. 5 is a schematic and simplified illustration of the liquid plan for the injection device according to the invention during premixing and predilution of a granulated or liquid active agent on the premix vessel.
  • FIG. 6 shows the liquid plan of the injection device according to the invention during the injection process in a schematic and simplified representation
  • FIG. 7 shows a further liquid plan for the injection device according to the invention during premixing and predilution of a granulated or liquid active agent on the premix vessel in a schematic and simplified representation
  • Fig. 8 shows the liquid plan of the injection device according to the invention according to FIG. 7 during the injection process in a schematic and simplified representation.
  • the injection device according to the liquid plans according to FIGS. 1-3 according to the prior art comprises a liquid tank 1 for holding spray liquid, a pump 2 which pumps the liquid and is driven by a motor power source, the induction bowl 3, a feed pump 4 operating as a venturi nozzle , a plurality of changeover valves 6, 7, 8 in the various liquid lines 9, 10, 11, 12, 13 and a spray bar 14 and a stirring device 15.
  • the liquid tank 1 is added
  • the Venturi nozzle 4 is acted upon by the liquid flow via the pump 2 and the line 13. This creates a negative pressure in the region of the venturi 4, so that the liquid or the liquefied active agent is then introduced via the line 16 with the water and via the venturi 4 and the line 17 into the liquid tank 1. Via the agitated by the pump 2 and the line 18 with liquid sucked from the tank 1, the water is mixed with the liquid introduced via the line 17 into the liquid tank 1 and prediluted in the dispenser 3 with the liquid by pumping.
  • the three-way stopcock 8 is then brought into the position shown in FIG. 3 in order to deliver the spray mixture via the pump 2 and the lines 10, 11 and one not shown Dispensing fitting in an adjustable manner on the spray nozzles 19 of the spray bar 14 on the target surface.
  • the injection apparatus according to the prior art liquid plan according to FIG. 4 comprises a liquid tank 20 for receiving carrier liquid, usually water, a liquid-conveying pump 21, a line 22 leading to a spray bar 14 equipped with spray nozzles 19 , in which the mixing device 23 is arranged, on.
  • carrier liquid usually water
  • a liquid-conveying pump 21 About the metering pump 24 is concentrated drug sucked from the active substance container 25 via the line 26 and fed via line 27 into the carrier liquid leading line 22.
  • the concentrated active agent agent is mixed with the carrier liquid.
  • the concentrated active agent agent is mixed with the carrier liquid.
  • the feeding of the concentrated active agent into the carrier liquid and the mixing of the carrier liquid takes place directly and continuously during the injection process during the application of the active substance mixed with the carrier liquid via the spray nozzles 19 of the spray bar 14.
  • the spraying device has a liquid tank 28 for receiving carrier liquid, usually water, a fluid-conveying pump 29, a leading to a spray bar 14, which is equipped with spray nozzles 19, leading line 30, in which the mixing device 31 is arranged, on.
  • the spray nozzles 19 are arranged at a distance from the spray bar 14.
  • the spraying device has the premixing container 32, which is connected via a branch 33 with the liquid-conveying pump 29 and carrier liquid-carrying line 30 via the line 34.
  • This line 34 opens in premix tank 32.
  • a stopcock 35 is arranged.
  • Between the premix tank 32 and the liquid pump 29 leading to the spray bar 14 leading line 30 is seen in the flow direction 36 a in this line 30 in front of the mixing device 31 opening line 37 is arranged.
  • a metering pump 38 is arranged in this line 37, which leads from the premix tank 32 to the line 30 leading from the pump 29 to the spray bar 14.
  • a metering fitting (not shown) is arranged in front of the mouth of the line 37 coming from the premix tank 32.
  • the line 37 leads into the carrier liquid line 30 behind the pump 29 arranged in the carrier liquid line 30.
  • carrier liquid 28 generally water
  • carrier liquid 28 is first introduced via a filling opening.
  • granulated or liquid active agent as shown in FIG. 5 symbolically represented by the containers 39, filled before the start of the injection process.
  • the pump 29 For dissolving granulated active ingredient and for prediluting the filled active agent is sucked by the pump 29 from the liquid tank carrier liquid as dilution liquid and fed via line 34 into the premix tank 32.
  • This dissolves granulated active agent and dissolves liquid and granular dissolved active agent with the diluting liquid, typically water, before dispensing the liquid and / or prediluting in the premix container.
  • a corresponding mixing and stirring device (not shown) in the pre-mixing tank 32, a homogeneous prediluted active agent charge is generated.
  • the stopcock 35 in the line 34 leading from the pump 29 into the premix tank 32 is brought from the flow position shown in FIG. 5 into the shut-off position shown in FIG the line 30 arranged as a three-way stopcock 40 trained shut-off valve is brought from the shut-off position shown in Fig. 5 in the flow position shown in Fig. 6.
  • carrier liquid as a rule water
  • the carrier liquid quantity supplied to the spray nozzles 19 is adjusted in pressure and quantity by means of a metering fitting, not shown, which is arranged in the line 30.
  • the presupplied active agent agent is sucked in from the premixing container 32 and metered into the carrier liquid of the line 30 via the metering pump 28.
  • the prediluted active substance medium is intensively mixed with the carrier liquid in the mixing device 31, so that a homogeneous spray mixture is produced, which can be applied via the spray nozzles 19.
  • the premix container 32 has a volume such that for feeding prediluted active agent into the container located in the liquid tank 28 gerckenkeit sufficiently vorverPhyntes drug agent is present in Vormisch manufactoring.
  • the capacity of Vormisch relieers 32 is limited to the max. Capacity of carrier liquid of the liquid tank tuned. It has been found that the volume of the Vormisch relieers 32 should be about 1/10 of the volume of the liquid tank 28 or at least 100 liters.
  • a stirring device is assigned in the premixing tank 32, which is fed via the line 41 from the metering pump 38.
  • a method for using an injection device by means of which in a separate operation before applying the liquid on agricultural surfaces in the pre-mixing tank 32, the active agent means with a diluent liquid, usually water, prediluted and / or if it is granulated active agent agent is dissolved.
  • a diluent liquid usually water
  • the at least one prediluted and / or, if it is granulated active agent, dissolved and prediluted active agent agent is fed into the carrier liquid in metered manner via the metering pump 38.
  • the at least one prediluted active agent agent is uniformly mixed with the carrier liquid.
  • the further liquid plan according to FIGS. 7 and 8 differs from the liquid plan according to FIGS. 5 and 6 in that the metering line 37 arranged between the premix tank 32 and the carrier liquid line 30, in which the metering pump 38 is arranged, is seen in the flow direction 36 in front of the arranged in the carrier liquid line 30 pump 29 opens into the carrier liquid line 30.
  • an inexpensive metering pump 38 can be used because it does not have to feed the prediluted active agent agent against an increased pressure in the carrier liquid line 30, but in this area the carrier liquid is sucked out of the carrier liquid tank 28. So here is a suction pressure prevails.

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 dispositif de pulvérisation destiné à distribuer des liquides, notamment à des fins agricoles, comportant un dispositif de rampe de pulvérisation affecté à un véhicule, présentant au moins une conduite de liquide (14) s'étendant perpendiculairement par rapport à la direction de déplacement, pourvue de buses de pulvérisation espacées (19). Les buses de pulvérisation sont alimentées de façon réglable au moyen d'au moins une conduite de liquide, en liquide à distribuer, par au moins une pompe de dosage (29) extrayant le liquide porteur hors d'un réservoir de liquide (28) et produisant la pression de pulvérisation, et par au moins une pompe (38) transportant au moins un agent actif et introduisant celui-ci de façon dosée dans le liquide porteur. Le dispositif de pulvérisation selon l'invention est caractérisé en ce qu'un contenant de prémélange (32) destiné à pré-diluer et/ou dissoudre le ou les agents actifs avec et/ou dans un liquide de dilution, est prévu avant distribution des liquides, et en ce que le contenant de prémélange est connecté au moyen d'au moins une conduite (37), à la pompe de dosage (38) introduisant le ou les agents actifs pré-dilués avant distribution des liquides, dans le liquide porteur.
PCT/EP2007/011436 2007-02-03 2007-12-27 Dispositif de pulvérisation destiné à distribuer des liquides WO2008095527A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07857132A EP2114134A1 (fr) 2007-02-03 2007-12-27 Dispositif de pulvérisation destiné à distribuer des liquides
EA200970715A EA200970715A1 (ru) 2007-02-03 2007-12-27 Разбрызгивающее устройство для подачи жидкостей

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102007005492.2 2007-02-03
DE102007005492 2007-02-03
DE102007038636A DE102007038636A1 (de) 2007-02-03 2007-08-16 Spritzeinrichtung zum Ausbringen von Flüssigkeiten
DE102007038636.4 2007-08-16

Publications (1)

Publication Number Publication Date
WO2008095527A1 true WO2008095527A1 (fr) 2008-08-14

Family

ID=39587448

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/011436 WO2008095527A1 (fr) 2007-02-03 2007-12-27 Dispositif de pulvérisation destiné à distribuer des liquides

Country Status (3)

Country Link
EP (1) EP2114134A1 (fr)
EA (1) EA200970715A1 (fr)
WO (1) WO2008095527A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835481A (en) * 1955-12-13 1958-05-20 Willis T Cox Method and apparatus for mixing and metering an unstable suspension of a solid in a liquid
US4456176A (en) * 1982-09-13 1984-06-26 Agius Joseph L Apparatus for processing and dispensing fertilizer or insecticide
WO1997016964A1 (fr) * 1995-11-08 1997-05-15 Hardi International A/S Systeme de pulverisation a dosage adapte
EP1378293A1 (fr) * 2001-03-22 2004-01-07 Anjus2, Sl Procede et systeme de dosage et d'injection directe de substances actives destinees a des applicateurs de produits phytosanitaires
DE102004047585A1 (de) 2004-09-23 2006-03-30 Lechler Gmbh Wirkstoffversorgungssystem und Spritzeinrichtung zum Versprühen von Flüssigkeiten

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835481A (en) * 1955-12-13 1958-05-20 Willis T Cox Method and apparatus for mixing and metering an unstable suspension of a solid in a liquid
US4456176A (en) * 1982-09-13 1984-06-26 Agius Joseph L Apparatus for processing and dispensing fertilizer or insecticide
WO1997016964A1 (fr) * 1995-11-08 1997-05-15 Hardi International A/S Systeme de pulverisation a dosage adapte
EP1378293A1 (fr) * 2001-03-22 2004-01-07 Anjus2, Sl Procede et systeme de dosage et d'injection directe de substances actives destinees a des applicateurs de produits phytosanitaires
DE102004047585A1 (de) 2004-09-23 2006-03-30 Lechler Gmbh Wirkstoffversorgungssystem und Spritzeinrichtung zum Versprühen von Flüssigkeiten

Also Published As

Publication number Publication date
EA200970715A1 (ru) 2010-02-26
EP2114134A1 (fr) 2009-11-11

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