FR2521869A1 - DEVICE FOR FORMING FOAM COMPRISING A CONTROL APPARATUS, IN PARTICULAR FOR FOAM MARKING IN THE AGRICULTURAL DOMAIN - Google Patents

DEVICE FOR FORMING FOAM COMPRISING A CONTROL APPARATUS, IN PARTICULAR FOR FOAM MARKING IN THE AGRICULTURAL DOMAIN Download PDF

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Publication number
FR2521869A1
FR2521869A1 FR8303008A FR8303008A FR2521869A1 FR 2521869 A1 FR2521869 A1 FR 2521869A1 FR 8303008 A FR8303008 A FR 8303008A FR 8303008 A FR8303008 A FR 8303008A FR 2521869 A1 FR2521869 A1 FR 2521869A1
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France
Prior art keywords
foam
pipe
fluid
head
forming
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Granted
Application number
FR8303008A
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French (fr)
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FR2521869B1 (en
Inventor
Laszlo Ladanyi
Sandor Kiraly
Gozo Szekely
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DEBRECENI MEZOEGAZDASAGI
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DEBRECENI MEZOEGAZDASAGI
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Publication of FR2521869B1 publication Critical patent/FR2521869B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B69/00—Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track
    • A01B69/02—Ridge-marking or like devices; Checkrow wires; Accessories therefor
    • A01B69/022—Ridge marking by deposition of a chemical substance, e.g. foam, on the surface of the soil
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/235—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/105—Mixing heads, i.e. compact mixing units or modules, using mixing valves for feeding and mixing at least two components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/311—Injector mixers in conduits or tubes through which the main component flows for mixing more than two components; Devices specially adapted for generating foam
    • B01F25/3111—Devices specially adapted for generating foam, e.g. air foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31243—Eductor or eductor-type venturi, i.e. the main flow being injected through the venturi with high speed in the form of a jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
    • B01F25/4321—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa the subflows consisting of at least two flat layers which are recombined, e.g. using means having restriction or expansion zones
    • B01F25/43211—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa the subflows consisting of at least two flat layers which are recombined, e.g. using means having restriction or expansion zones using a simple by-pass for separating and recombining the flow, e.g. by using branches of different length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Soil Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Nozzles (AREA)
  • Catching Or Destruction (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)

Abstract

L'INVENTION CONCERNE UN DISPOSITIF DE FORMATION DE MOUSSE COMPORTANT UNE TETE DE FORMATION DE MOUSSE ET UN APPAREIL DE COMMANDE, LADITE TETE DE FORMATION DE MOUSSE ETANT POURVUE DE TUYAUX DE FLUIDES. CE DISPOSITIF EST CARACTERISE EN CE QUE CETTE TETE COMPORTE UN TUYAU 1 POUR UNE MATIERE DE BASE INTERVENANT DANS LA FORMATION DE MOUSSE ET UN AUTRE TUYAU 2 POUR L'AGENT MOUSSANT, AINSI QU'UN INJECTEUR 3, LE TUYAU 1 DE MATIERE DE BASE ETANT RELIE A LA BUSE DE MELANGE 4 ET LE TUYAU 2 D'AGENT MOUSSANT ETANT RELIE A LA BUSE 5 DE L'INJECTEUR 3. APPLICATION DANS L'AGRICULTURE, POUR LE MARQUAGE A LA MOUSSE DES LIMITES DE PARTIES DE TERRAIN PREDETERMINEES.THE INVENTION RELATES TO A FOAM FORMING DEVICE INCLUDING A FOAM FORMING HEAD AND A CONTROL APPARATUS, THE FOAM FORMING HEAD BEING PROVIDED WITH FLUID PIPES. THIS DEVICE IS CHARACTERIZED IN THAT THIS HEAD INCLUDES A PIPE 1 FOR A BASIC MATERIAL INVOLVED IN THE FORMATION OF FOAM AND ANOTHER PIPE 2 FOR THE FOAMING AGENT, AS WELL AS AN INJECTOR 3, THE PIPE 1 OF BASIC MATERIAL IS CONNECTED TO MIXING NOZZLE 4 AND THE FOAMING AGENT HOSE 2 BEING CONNECTED TO NOZZLE 5 OF INJECTOR 3. APPLICATION IN AGRICULTURE, FOR FOAM MARKING OF THE BOUNDARIES OF PREDETERMINED SITES.

Description

Dispositif de formation de mousse comportant un appareil de commande,Foam-forming device having a control apparatus,

notamment pour le marquage à la mousse dans le domaine agricole.  especially for foam marking in the agricultural field.

La présente invention concerne un dispositif de formation de mousse comportant des tuyaux d'alimentation en fluides, ainsi qu'un appareil de commande pour au moins un tuyau de fluide de réglage et au  The present invention relates to a foam-forming device comprising fluid supply pipes, as well as a control apparatus for at least one control fluid pipe and to a

moins un tuyau de fluide réglé pourvu d'un élément de régulation de dé-  minus a regulated fluid hose provided with a regulating element of

bit de fluide, un organe de travail actionné par le fluide de réglage  fluid bit, a working member actuated by the control fluid

étant disposé dans le tuyau de fluide de réglage, cet'organe de tra-  being arranged in the regulating fluid pipe, this working body

vail étant associé à l'élément de réglage de débit de fluide, ce dis-  associated with the fluid flow control element, this

positif étant utilisable notamment pour le marquage à la mousse dans  positive being usable especially for foam marking in

le domaine agricole, et comportantdes tuyaux de fluide.  the agricultural field, and comprising fluid hoses.

Lors du traitement du champ par pulvérisation à l'aide de machines de répandage, on utilise un marquage à la mousse pour définir  When spraying the field with spraying machines, foam marking is used to define

les limites de la surface traitée par pulvérisation.  the boundaries of the sprayed surface.

Pour le marquage à la mousseon connaît, entre autres, le dispositif de marquage à la mousse de la Société allemande JACOBY, qui comprend un récipient de produits de formation de mousse,des unités de formation de mousse,une tête de dosage de mousse et des canalisations de mousse La caractéristique essentielle de l'appareil consiste en  For the foam marking, among others, the foam marking device of the German company JACOBY, which comprises a container of foam formation products, foam forming units, a foam dosing head and The essential feature of the appliance consists of

ce que la mousse est produite dans le récipient de formation de mous-  what foam is produced in the foam-forming container

se par insufflation d'air, qui est canalisée par l'intermédiaire d'un tuyau jusque dans la tête de dosage de mousse La mousse sortant de la  by blowing air, which is channeled through a pipe into the foam dosing head.

tête de dosage est déchargée sur le sol en fonction des conditions de régula-  the dosing head is discharged onto the soil according to the conditions of

tion de manière à effectuer ainsi le marquage.  in order to perform the marking.

L'inconvénient de cettesolution consiste en ce qu'en rai-  The disadvantage of this solution is that in

son du volume de la mousse le diamètre du tuyau de mousse doit être grand, en ce que ce tuyau de mousse est replié sur une machine de répandage selon un pliage de grande longueur et est donc soumis à une déformation permanente, c'est-à-dire à une diminution de section; en outre, la grande longueur du tuyau de mousse diminue la durée de service de la mousse; c'est-à-dire fait disparaître la mousse; de plus, la mousse est  its foam volume the diameter of the foam pipe must be large, in that this foam pipe is folded over a spreading machine according to a fold of great length and is therefore subjected to a permanent deformation, that is to say -describe a decrease in section; in addition, the long length of the foam pipe decreases the service life of the foam; that is to say, makes the foam disappear; moreover, the foam is

amenée sur le lieu d'utilisation en étant transportée sur une longue dis-  brought to the place of use by being transported on a long distance

tance, de sorte que la régulation d'alimentation en mousse est très im-  tance, so that foam feeding control is very important

précise et difficile.precise and difficult.

On connaît encore un système de marquage à la mousse qui  We still know a foam marking system that

est fabriquÉpar la Société allemande HESSEL, et qui est essentielle-  is manufactured by the German company HESSEL, and which is essential

ment identique à celui déjà décrit, mais qui comporte une vanne dans  identical to the one already described, but which includes a valve in

le tuyau de mousse.the foam pipe.

L'inconvénient de cette solution consiste en ce que la mous-  The disadvantage of this solution is that the foam

se, se trouvant immobilisée à l'intérieur du tuyau de mousse, se dégra-  se, immobilized inside the foam pipe, is degraded

de et devient inutilisable, ce qui se traduit par une augmentation de  and becomes unusable, which translates into an increase in

la consommation d'agents de formation de mousse.  the consumption of foam-forming agents.

L'invention a pour but d'éliminer les inconvénients mention-  The object of the invention is to eliminate the drawbacks

nés ci-dessus en créant notamment un dispositif comportant une tête de  born by creating in particular a device comprising a head of

formation de mousse qui présente des dimensions réduites et qui produi-  foam formation which has reduced dimensions and which produces

se une mousse de meilleure qualité par comparaison aux réalisations connues. L'invention a également pour but de créer un appareil de commande associé à ce dispositif et assurant l'alimentation en agents nécessaires pour la formation de mousse en réglant le débit d'un agent  is a better quality foam compared to known achievements. The invention also aims to create a control device associated with this device and ensuring the supply of agents necessary for the formation of foam by adjusting the flow rate of an agent

à l'aide de la pression d'un autre agent ou agent de régulation.  using the pressure of another agent or regulator.

L'invention a enfin pour but de fournir un dispositif du  Finally, the object of the invention is to provide a device of the

genre précité, qui soit utilisable notamment pour le marquage à la mous-  mentioned above, which can be used especially for marking with

se dans le domaine agricole et qui fasse arriver la mousse servant au  in the agricultural field and that the foam used for

marquage immédiatement après sa formation et sans tuyau de mousse.  marking immediately after formation and without foam pipe.

Ce problème est résolu par le dispositif de formation de  This problem is solved by the training device of

mousse du type défini ci-dessus en ce que la tête de formation de mous-  foam of the type defined above in that the foam forming head

se comporte un tuyau pour une matière de base et un autre tuyau pour un agent moussant, ainsi qu'un injecteur, le tuyau de la matière de base étant relié à la'buse de mélange et le tuyau de l'agent moussant étant  a hose is provided for a base material and another hose for a foaming agent, as well as an injector, the hose of the base material being connected to the mixing bowl and the hose of the foaming agent being

relié à la buse de l'injecteur.connected to the nozzle of the injector.

Le problème posé est en outre résolu suivant l'invention, concernant l'appareil de commande du type défini ci-dessus, en ce que  The problem is further solved according to the invention, with respect to the control apparatus of the type defined above, in that

l'actionnement de l'organe de travail est déclenché à l'aide de la pres-  actuation of the working member is triggered by means of the pressure

sion d'un fluide s'écoulant dans le tuyau de fluide de régulation.  sion of a fluid flowing in the control fluid pipe.

Du point de vue de la simplicité de construction et de la sensibilité de fonctionnement, il est avantageux d'adopter un mode de  From the point of view of the simplicity of construction and the sensitivity of operation, it is advantageous to adopt a mode of

252 1869252 1869

réalisation o l'organe de travail est agencé sous la forme d'une membra-  realization o the working organ is arranged in the form of a membrane

ne incorporée au tuyau de fluide de régulation -  not incorporated in the control fluid hose -

Dans l'intérêt de l'augmentation de la capacité de charge et  In the interest of increasing the carrying capacity and

de la précision,il est avantageux d'adopter un mode de réalisation o l'orga-  of precision, it is advantageous to adopt an embodiment where the organization

ne de travail est agencé sous la forme d'un piston monté dans le tuyau de  work is arranged in the form of a piston mounted in the pipe of

fluide de régulation.control fluid.

Avantageusement le dispositif du type défini ci-dessus est  Advantageously, the device of the type defined above is

constitué d'une tête de formation de mousse et d'un dispositif de comman-  consisting of a foam forming head and a control device

de branché en amont.connected upstream.

Pour l'augmentation de qualité de la mousse produite par le  For the increase of quality of the foam produced by the

dispositif, il est avantageux d'adopter un mode de réalisation o un élé-  device, it is advantageous to adopt an embodiment o an element

ment d'augmentation de formation de mousse est relié à la tête de forma-  increased foam formation is connected to the head of

tion de mousse et est agencé de préférence sous la forme d'un tamis à  of foam and is preferably arranged in the form of a sieve.

plusieurs couches.several layers.

D'autres buts et avantages de la présente invention apparaî-  Other objects and advantages of the present invention appear

tront à la lecture de la description suivante et des figures jointes,  will read the following description and accompanying figures,

données à titre illustratif mais non limitatif.  data for illustrative but not limiting.

La figure 1 est une coupe de la tête de formation de mousse  Figure 1 is a sectional view of the foam forming head

conforme à l'invention.according to the invention.

La figure 2 est une coupe de l'appareil de commande conforme à l'invention; et  Figure 2 is a section of the control apparatus according to the invention; and

La figure 3 est une coupe de l'ensemble du dispositif confor-  FIG. 3 is a cross-section of the entire device according to

me à l'invention.me to the invention.

La tête de formation de mousse 10 représentée sur la figure 1 et agencée conformément à l'invention comporte un tuyau 1 pour une matière de base intervenant dans la formation de mousse et un tuyau 2 pour un agent moussant, ces tuyaux étant alimentés par des récipients correspondants Dans la tête de formation de mousse 10 est disposé un injecteur 3 qui comporte une buse 5 reliée au tuyau 2 canalisant l'agent  The foam forming head 10 shown in FIG. 1 and arranged in accordance with the invention comprises a pipe 1 for a base material involved in the formation of foam and a pipe 2 for a foaming agent, these pipes being fed by containers corresponding In the foam forming head 10 is disposed an injector 3 which comprises a nozzle 5 connected to the pipe 2 channeling the agent

moussant et une buse de mélange 4 reliée au tuyau 1 canalisant la matiè-  foaming agent and a mixing nozzle 4 connected to the pipe 1 channeling the material

re de base intervenant dans la-formation de mousse.  Basic re intervening in the formation of foam.

La fonction de la tête de formation de mousse 10 découle essentiellement du fonctionnement de l'injecteur 3 Pour la formation de mousse, l'agent moussant provenant du tuyau 2 est injecté à l'aide de la buse 5, sous une pression convenable, dans la buse de mélange 4 o se produit la formation de mousse Ensuite la mousse ainsi formée  The function of the foam forming head 10 essentially results from the operation of the injector 3. For foam formation, the foaming agent from the pipe 2 is injected with the nozzle 5, under a suitable pressure, into the mixing nozzle 4 o occurs the formation of foam Then the foam thus formed

sort de la tête 10.out of the head 10.

L'appareil de commande Il conforme à l'invention et représenté  The control apparatus II according to the invention and shown

sur la figure 2 comporte un organe de travail 9 et un élément de régula-  FIG. 2 comprises a working member 9 and a regulating element

tion de débit de fluide 7 L'organe de travail 9 est associé au tuyau de  fluid flow 7 The working member 9 is associated with the

fluide de régulation 6 de manière telle que cet organe de travail 9 dé-  regulating fluid 6 in such a way that this working member 9 de-

tecte la pression du fluide s'écoulant dans ledit tuyau L'organe de tra-  tect the pressure of the fluid flowing in said pipe.

vail 9 est relié à l'élément de régulation de débit de fluide 7 L'élé-  9 is connected to the fluid flow control element 7.

ment de régulation de débit de fluide 7, avantageusement une soupape à  fluid flow control system 7, advantageously a

ressort, est monté dans un tuyau de fluide réglé 8 L'organe de tra-  spring, is mounted in a regulated fluid hose 8

vail 9 est avantageusement agencé sous forme d'un piston, mais il peut  9 is advantageously arranged in the form of a piston, but it can

également être constitué par une membrane.  also be constituted by a membrane.

On va maintenant décrire les caractéristiques essentielles  We will now describe the essential characteristics

du fonctionnement de l'appareil de commande 11, conforme à l'invention.  operation of the control apparatus 11 according to the invention.

La pression du fluide s'écoulant dans le tuyau 6 est dé-  The pressure of the fluid flowing in the pipe 6 is de-

tectée par l'organe de travail 9 qui commande mécaniquement, dans le cas considéré, l'élément de régulation de courant de fluide On a ainsi  tected by the working member 9 which mechanically controls, in the case considered, the fluid flow control element.

la possibilité de régler le débit d'un fluide fonctionnel en fonc-  the ability to adjust the flow of a functional fluid as

tion de la pression d'un autre fluide fonctionnel.  the pressure of another functional fluid.

Le dispositif 13 conforme à l'invention et représenté sur la figure 3 est utilisé principalement pour un marquage à la mousse dans le domaine agricole Le dispositif 13 se compose d'un appareil de commande il et d'une tête de formation de mousse 10 Avantageusement, ces éléments sont réunis dans un seul et même corps Pour produire une mousse de meilleure qualité, on dispose un élément 12 d'augmentation de formation de mousse en amont du dispositif 13, et qui est agencé  The device 13 according to the invention and shown in Figure 3 is used mainly for foam marking in the agricultural field The device 13 consists of a control unit 11 and a foam forming head 10 Advantageously these elements are combined in one and the same body. In order to produce a better quality foam, there is provided an element 12 for increasing the formation of foam upstream of the device 13, and which is arranged

sous la forme d'un tamis à une ou plusieurs couches.  in the form of a sieve with one or more layers.

La caractéristique essentielle du fonctionnement du disposi-  The essential characteristic of the functioning of the

-'tif 13 consiste en ce que l'agent moussant arrive par l'intermédiaire du tuyau 2 relié au tuyau de fluide de régulation 6 et par l'intermédiaire de la buse 5 dans l'injecteur 3 disposé dans la tête de formation de  -tif 13 is that the foaming agent arrives via the pipe 2 connected to the control fluid pipe 6 and through the nozzle 5 in the injector 3 disposed in the forming head of

mousse, l'agent moussant étantsoitde l'air comprimé, soit tout autre flui-  foam, the foaming agent being compressed air, or any other fluid

de liquide ou gazeux convenable Dans la buse de mélange 4 prévue dans l'injecteur 3, l'agent moussant aspire la matière de base arrivant par le tuyau 1 de manière à produire ainsi la mousse Le tuyau 1 canalisant la matière de base estrelié au tuyau de fluide de régulation 8, dont l'élément de régulation de débit 7 est actionné, c'est-à-dire amené en  In the mixing nozzle 4 provided in the injector 3, the foaming agent sucks the base material arriving through the pipe 1 so as to produce the foam. The pipe 1 channels the base material bound to the pipe. of regulating fluid 8, the flow control element 7 of which is actuated, that is to say fed into

condition d'ouverture par l'agent moussant s'écoulant dans le tuyau 6.  opening condition by the foaming agent flowing in the pipe 6.

La mousse sortant de la buse de mélange 4 parvient dans l'élément 12 d'augmentation de formation de mousse à partir duquel la  The foam emerging from the mixing nozzle 4 reaches the foam-forming augmentation element 12 from which the

mousse finale, qui est stable dans le temps, est éjectée en vue du mar-  The final foam, which is stable over time, is ejected for the purpose of

quage sur le terrain.on the ground.

Le dispositif 13 peut en outre être commandé à distance à l'aide d'un organe d'actionnement unique. Bien entendu, la présente invention n'est nullement limitée aux modes de réalisation décrits et représentés; elle est susceptible  The device 13 may further be controlled remotely by means of a single actuating member. Of course, the present invention is not limited to the embodiments described and shown; she is likely

de nombres variantes accessibles à l'homme de l'art, suivant les ap-  variants accessible to those skilled in the art, according to the

plication envisagées et sans que l'on ne s'écarte de l'esprit de l'in-  envisaged and without departing from the spirit of the

vention.vention.

Claims (6)

REVENDICATIONS 1 Dispositif de formation de mousse comportant une tête de  1 Foam forming device comprising a head of formation de mousse et un appareil de commande, ladite tête de forma-  forming a foam and a control apparatus, said forming head tion de mousse étant pourvue de tuyaux de fluides, caractérisé en ce que cette tête comporte un tuyau ( 1) pour une matière de base intervenant dans la formation de mousse et un autre tuyau ( 2) pour l'agent moussant, ainsi qu'un injecteur ( 3), le tuyau ( 1) de matière de base étant relié à la buse de mélange ( 4) et le tuyau ( 2) d'agent moussant étant relié  foam composition being provided with fluid pipes, characterized in that this head comprises a pipe (1) for a base material involved in the formation of foam and another pipe (2) for the foaming agent, as well as a injector (3), the base material pipe (1) being connected to the mixing nozzle (4) and the foaming agent pipe (2) being connected à la buse ( 5) de l'injecteur ( 3).  to the nozzle (5) of the injector (3). 2 Dispositif selon la revendications 1, dont l'appareil  2 Device according to claim 1, the apparatus de commande pour au moins un tuyau de fluide de régulation et au moins un tuyau de fluide réglé pourvu d'un élémént'de régulation de courant  for controlling at least one regulating fluid pipe and at least one regulated fluid pipe provided with a current regulating element de fluide comporte un organe de travail actionné par le fluide de régu-  fluid comprises a working member actuated by the control fluid. lation et disposé dans le tuyau de fluide de régulation, cet organe de travail étant associé à l'élément de régulation de courant de fluide, caractérisé en ce que l'actionnement de l'organe de travail ( 9) est  and in the regulating fluid pipe, this working member being associated with the fluid flow control element, characterized in that the actuation of the working member (9) is déclenché à l'aide de la pression d'un fluide s'écoulant dans le tu-  triggered by the pressure of a fluid flowing through the yau de fluide de régulation ( 6).yau of control fluid (6). 3 Dispositif selon la revendication 2, caractérisé en ce  3 Device according to claim 2, characterized in that que ledit organe de travail ( 9) est agencé sous la forme d'une membra-  said working member (9) is arranged in the form of a membrane ne placée dans le tuyau de fluide de régulation ( 6).  placed in the control fluid pipe (6). 4 Dispositif selon la revendication 2, caractérisé en ce que ledit organe de travail ( 9) est agencé sous la forme d'un piston  4 Device according to claim 2, characterized in that said working member (9) is arranged in the form of a piston monté dans le tuyau de fluide de régulation( 6).  mounted in the control fluid pipe (6). 5 Dispositif selon une quelconque des revendications 1 à  Apparatus according to any of claims 1 to 5 4, notamment pour le marquage à la mousse dans le domaine agricole,com-  4, in particular for foam marking in the agricultural sector, portant des tuyaux de fluide, caractérisé en ce qu'il se compose d'une tête de formation de mousse ( 10) et d'un dispositif de distribution  carrying fluid hoses, characterized in that it consists of a foam forming head (10) and a dispensing device ( 11) branché en amont.(11) connected upstream. 6 Dispositif selon la revendication 5, caractérisé en ce qu'un élément ( 12) d'augmentation de formation de mousse est relié à la tête de formation de mousse ( 10) et est agencé, de préférence sous  Device according to claim 5, characterized in that a foam-increasing element (12) is connected to the foam-forming head (10) and is arranged, preferably under forme d'un tamis à plusieurs couches.  form of a multi-layer sieve.
FR8303008A 1982-02-25 1983-02-24 FOAM FORMING DEVICE COMPRISING A CONTROL APPARATUS, PARTICULARLY FOR FOAM MARKING IN THE AGRICULTURAL FIELD Expired FR2521869B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU82580A HU185090B (en) 1982-02-25 1982-02-25 Foam forming head, control apparatus as well as device from these first for agricultural row marking by foam

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FR2521869A1 true FR2521869A1 (en) 1983-08-26
FR2521869B1 FR2521869B1 (en) 1986-11-07

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AT (1) AT380377B (en)
CS (1) CS244924B2 (en)
DD (1) DD230798A1 (en)
DE (1) DE3303753A1 (en)
FR (1) FR2521869B1 (en)
GB (1) GB2119270B (en)
HU (1) HU185090B (en)
IT (1) IT1159845B (en)
PL (1) PL140112B1 (en)
RO (1) RO86956A (en)
YU (1) YU39083A (en)

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EP0246800A1 (en) * 1986-05-16 1987-11-25 Halliburton Company Particle-containing foams
FR2619023A1 (en) * 1987-08-07 1989-02-10 Lamort E & M PRESSURE MIXER INJECTOR
FR2623730A1 (en) * 1987-11-27 1989-06-02 Dion Biro Guy Plant for the manufacture of foams, especially for the production of cellular structural components permitting the manufacture of foams with very low proportions of emulsifying agent of between 1 and 15 per thousand
FR2699425A1 (en) * 1992-12-23 1994-06-24 Ody Ste Civile Rech Device for injecting gas (esp. air) into a liquid flow to make it foam

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SE452413B (en) * 1984-12-04 1987-11-30 Flaekt Ab MEDIUM MIXING NOZE, INTENDED TO BE USED IN A CONTACT REACTOR
SE460524B (en) * 1987-04-27 1989-10-23 Carl Manne Carlzon DEVICE FOR WASHING AND RINSE APPLIANCES FOR CONTINUOUS FOUNDATION OF FOAM
EP0808292B1 (en) * 1995-02-23 2006-06-28 Ecolab, Inc. Apparatus for dispensing a viscous use solution and its use in dispensing
AU686083B3 (en) * 1997-04-14 1998-01-29 Kevin Dalton Nominees Pty Ltd Rotary foam marker
DE29806581U1 (en) * 1998-04-14 1999-08-26 Lahm-Späth, David, 55758 Kempfeld Spray system
CN101905201B (en) * 2010-07-09 2013-01-23 中冶京诚工程技术有限公司 Novel gas spray nozzle without gas resistance and gas spray forming method
DE102021124355B4 (en) 2021-09-21 2023-05-04 Jürgen F. Vorwerk Rotating injector nozzle and its use as well as device for CIP cleaning and CIP processes

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US2992084A (en) * 1956-08-24 1961-07-11 Four Industriel Belge Apparatus for regulating the composition of a mixture of air and fuel-gas
GB927011A (en) * 1959-03-24 1963-05-22 Laing David Harkness Fluid metering device
GB1126912A (en) * 1965-08-06 1968-09-11 Chlorination Equipment Ltd Improved gas dispensing apparatus
DE2231141A1 (en) * 1971-06-24 1973-01-11 Applied Chem Pty Ltd DEVICE FOR GENERATING CLEANING FOAM
DD133883A1 (en) * 1977-10-20 1979-01-31 Bruno Bredschneider DEVICE FOR TRACE MARKING FOR AGRICULTURAL MACHINERY
DE2945316A1 (en) * 1978-11-12 1980-05-22 Dan Bron DOSING DEVICE
FR2459679A1 (en) * 1979-06-27 1981-01-16 Matincendie Sa Mixer for charging liq. prod. in fixed proportion into flowing liq. - incorporating means of reducing pressure drop when suction of liq. prod. is dispensed with
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0246800A1 (en) * 1986-05-16 1987-11-25 Halliburton Company Particle-containing foams
EP0247754A1 (en) * 1986-05-16 1987-12-02 Halliburton Company Apparatus and method for making particle-containing foams
FR2619023A1 (en) * 1987-08-07 1989-02-10 Lamort E & M PRESSURE MIXER INJECTOR
EP0305251A1 (en) * 1987-08-07 1989-03-01 E. + M. Lamort Société Anonyme dite: Injector mixer under pressure
FR2623730A1 (en) * 1987-11-27 1989-06-02 Dion Biro Guy Plant for the manufacture of foams, especially for the production of cellular structural components permitting the manufacture of foams with very low proportions of emulsifying agent of between 1 and 15 per thousand
FR2699425A1 (en) * 1992-12-23 1994-06-24 Ody Ste Civile Rech Device for injecting gas (esp. air) into a liquid flow to make it foam

Also Published As

Publication number Publication date
HU185090B (en) 1984-11-28
AT380377B (en) 1986-05-12
IT8319748A0 (en) 1983-02-24
FR2521869B1 (en) 1986-11-07
ATA22783A (en) 1985-10-15
PL240766A1 (en) 1983-10-24
YU39083A (en) 1986-08-31
CS244924B2 (en) 1986-08-14
RO86956A (en) 1985-10-31
PL140112B1 (en) 1987-03-31
DE3303753A1 (en) 1983-09-01
GB2119270A (en) 1983-11-16
IT1159845B (en) 1987-03-04
DD230798A1 (en) 1985-12-11
DE3303753C2 (en) 1989-01-12
GB8304525D0 (en) 1983-03-23
GB2119270B (en) 1986-05-08
RO86956B (en) 1985-10-01

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