EP0319376A1 - Apparatus for rinsing receptacles - Google Patents

Apparatus for rinsing receptacles Download PDF

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Publication number
EP0319376A1
EP0319376A1 EP88402946A EP88402946A EP0319376A1 EP 0319376 A1 EP0319376 A1 EP 0319376A1 EP 88402946 A EP88402946 A EP 88402946A EP 88402946 A EP88402946 A EP 88402946A EP 0319376 A1 EP0319376 A1 EP 0319376A1
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EP
European Patent Office
Prior art keywords
nozzle
liquid
container
rinsing
pusher
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.)
Granted
Application number
EP88402946A
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German (de)
French (fr)
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EP0319376B1 (en
Inventor
Patrick Jean-Marie Ballu
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.)
Tecnoma SA
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Tecnoma SA
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Publication date
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Publication of EP0319376A1 publication Critical patent/EP0319376A1/en
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Publication of EP0319376B1 publication Critical patent/EP0319376B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays

Definitions

  • the present invention relates to a rinsing device for containers, for example containing phytosanitary or toxic products.
  • the quantity of containers to be rinsed can be important, at the end of an operation.
  • the usual means used take a long time, are impractical, and often do not allow recovery or recycling of the rinsing water, either to neutralize it or to mix it with the treatment liquids, where possible.
  • the object of the invention is to provide an apparatus which makes it possible, without fatigue and in a short time, to carry out the rinsing together or as a large number of small containers, the rinsing being made of efficiently and completely, and the rinsing water being easily collected, preferably to be incorporated immediately into a spray which has just been prepared in the tank of a sprayer.
  • the invention provides a device for rinsing containers comprising an inlet for pressurized rinsing liquid, a nozzle provided with at least one nozzle capable of projecting rinsing liquid towards the interior walls of the container, means to collect the polluted liquid out of the recover, and means for evacuating it to a storage, treatment or use device, with the particularity that the same whole of a single piece comprises: - the intake of rinse aid, - The nozzle with its nozzle mounted at the end of a conduit capable of entering the container through an orifice of said container.
  • a funnel capable of collecting the polluted liquid escaping through said orifice, - And a polluted liquid ejector, supplied by a bypass of the supply of rinsing liquid, and the inlet of which is connected to said funnel and the outlet to the discharge means.
  • one-piece assembly is meant either a single piece, obtained by molding, for example, or a rigid assembly of several pieces, joined together by screwing or welding for example, and the relative arrangement of which does not vary during of use.
  • the device according to the invention comprises a valve arranged to stop the sending of rinsing liquid to the nozzle while maintaining the supply to the ejector.
  • said valve comprises a part capable of sliding along the axis of the nozzle between a closed position, towards which it is pushed by a spring, and a position of opening, into which it can be brought by the movement of a pusher, coaxial with the nozzle and capable of being actuated, in opposition to said spring, by the container itself or the part of the wall of the latter which s extends around the orifice into which the nozzle is inserted.
  • the pusher can be mounted in at least two different positions relative to the nozzle, to adapt the device to different containers. Preferably, one passes from one position of the pusher to another by turning it up and down.
  • the device is equipped with a cover covering the funnel to protect it outside of periods of use, this cover being capable of passing the nozzle into the open position for cleaning the interior face. of said cover, either by action of the cover on the pusher, or by action of the bottom of the cover on the nozzle itself.
  • the device is equipped with a purge provided with a valve which closes when the rinsing liquid is admitted under pressure into the device and opens when this pressurized liquid is no longer admitted and the purge section, when the valve is open, is greater than the passage section offered to the liquid going from the funnel to the ejector.
  • the device is connected to the filling means of a device for spreading or spraying a solution for treating soils or plants, to allow mixing of the polluted rinsing liquid with this solution.
  • the device according to the invention is intended for rinsing with water of commonly marketed containers with a capacity of between approximately 0.5 and 20 liters.
  • a casing 1 is provided with a fixing lug 2, for connecting it to a support, not shown.
  • the casing comprises an inlet port 3, with a horizontal axis, a discharge port 4, coaxial with the inlet port, and a port 5, vertical, for connection with the container.
  • a distributor 6, forcibly mounted in the intake orifice 3, and comprising a tubular part 7 which projects outside the intake orifice of the housing, is externally threaded , and carries a threaded ring 8 which maintains a nozzle 9 for connection with a water supply pipe not shown.
  • a non-return valve 9A is interposed between the distributor 6 and the nozzle 9.
  • the distributor 6 also comprises a tubular part 10, located in extension of the intake orifice, and which is terminated by a diaphragm 11, forming a constriction, held in place by a threaded piece 12.
  • the distributor has, moreover, a vertical tubular part 13 which opens into the tubular part 10, and is coaxial with the connection orifice 5.
  • the end of the tubular part 13 which is opposite the distributor 6 is closed and has horizontal passages 14.
  • a sleeve 15 can slide along the tubular part 13 between a high position, where it closes the passages 14, and a low position, not shown, where these passages are cleared.
  • the seal, when the sleeve 15 is in the high position, is obtained by O-rings placed in grooves of the tubular part 13, above the passages 14.
  • the sleeve 15 is made integral, by means of a thread 17, of the nozzle 18.
  • This is a tubular part, with an internal diameter greater than the internal diameter of the sleeve 15, at least over a certain part of its length.
  • a compression spring 19 is supported on the one hand on a shoulder 20 of the nozzle and, on the other hand, on a ring 21, fixed relative to the casing 1. This spring therefore tends to hold the nozzle, and the sleeve 15, in the high position, that is to say with the passages 14 closed.
  • the nozzle ends with nozzles 22 directed obliquely and an axial nozzle 23.
  • a draining liquid receiving funnel 24 is mounted coaxially with the nozzle. At its lower part, it bears on the edges of the connection orifice 5 of the casing, and it is connected at this point by spacers 25 to the ring 21.
  • a pusher 26 whose aspect in plan indicated in FIG. 3 is that of a three-spoke flywheel comprises a sleeve 27, which can slide along the nozzle and is stopped by the latter thanks to a shoulder 28, and three radial branches 29, joined at their ends by a ring 30, of diameter less than the maximum diameter of the funnel 24.
  • Each of the radial branches 29 carries a lug 31 whose utility will be seen below.
  • the number of branches 29 can be different from three.
  • the evacuation orifice 4 of the casing maintains, by virtue of a threaded ring 32, a venturi 33, provided with connection means with an evacuation duct not shown.
  • the internal section of the venturi 33 is calculated to constitute, by cooperating with a jet coming from the orifice of the diaphragm 11, an evacuator capable of sucking the draining liquid descended from the funnel 24 to the inside of casing 1 .
  • Figure 4 shows a variant of the device of Figure 1.
  • the casing 1 is capable of a drain 35 provided with a ball valve 36.
  • a calibrated spring 38 lifts the ball 37 on its seat 39 when the casing is subjected to low pressure.
  • the valve is closed.
  • the sleeve 15 has a toothed peripheral projection 15A (FIG. 1) which throttles the passage between the bottom of the funnel 24 and the evacuation orifice. cuation 4 of the housing. The usefulness of purging and throttling will be explained later.
  • FIG. 5 shows another modality of the device.
  • a cover 40 in the form of an inverted bowl, can be placed on the edges of the funnel 24 to protect it during periods of non-use.
  • the cover has internal axial ribs 41, two of which are shown.
  • the cover On its edge, the cover has an axial stud 42 (or more) which comes either into a hole 43 provided on the edge of the funnel, or into another hole of the same edge, angularly offset suitably.
  • the cover is placed on the funnel with the stud 42 in the hole 43, the ribs 41 are out of contact with the pusher 26, while, if the stud is in the other hole, the ribs 41 come to bear on the pusher, and then control the opening of the nozzle for internal cleaning of the cover.
  • a lug 44 secured to the funnel immobilizes the rotary pusher.
  • the bottom of the cover is flexible, and its shape is calculated so that, at rest, the cover rests on the funnel with the nozzle 18 flush with the bottom 45 of the cover or at a short distance from him.
  • the nozzle is moved and brought to the open position. The rinsing liquid then essentially passes through the lateral nozzles 22, the axial nozzle 23 being obstructed.
  • the polluted liquid is discharged to a lower level, purging is not necessary. It can be dismantled and replaced by a plug.
  • the arms 29 of the pusher have a shape inclined towards the periphery.
  • the wider the container orifice the deeper the nozzle penetrates inside of it, which is favorable since the larger containers are generally those with the widest orifice. .
  • part of the section of a rigid container with a narrow neck 50 has been shown in broken lines, resting on the central region of the pusher 26.
  • part of the soup of a rigid container with a wide neck 51 bearing on the peripheral region of the pusher 26.
  • a greater number of positions can be provided for the pusher 26, for example with staggered stops carried by the nozzle.
  • FIG. 2 there is shown a part of the section of a container 52 formed of a rigid body 53 provided with a flexible neck 54.
  • the pins 31 come into contact with the rigid body 53 , and the flexible neck 54 does not touch the pusher. There is therefore no risk of damaging this collar, or of retracting it inside, which results in an imperfect rinsing.
  • the penetration of the nozzle into the container is also limited by the action of the pins, which prevents it from hitting the bottom of the container.
  • the device of the invention allows extremely rapid rinsing operations for a large number of containers, these operations are limited to turning the container over and placing it on the nozzle, then removing it after rinsing. We can then close the container, which contains only a few drops of clean water. We also put in place, if necessary, the cover 40 on the funnel 24, and, optionally, it is rinsed in the manner indicated above. An appreciable time saving is thus obtained on the "site" of preparation, while always obtaining an excellent quality cleaning without pollution of the environment.
  • the device described is connected, in series or bypass to the supply line of the filling device of a sprayer.
  • the rinsing water is thus immediately incorporated into the spray contained in the sprayer and which has been prepared with the concentrated product which was contained in the containers to be rinsed. This ensures total use of the product at the same time as eliminating any problem with the treatment or storage of the rinsing water.

Abstract

L'invention est relative à un dispositif pour le rinçage de récipients, notamment de produits phytosanitaires ou toxiques, de petites dimensions. Un même ensemble comprend une admission (3,9) de liquide de rinçage, une buse (18) dirigée vers le haut et qui peut pénétrer dans le récipient à rincer, introduit avec l'ouverture en bas et un éjecteur (11, 33) alimenté par une dérivation de l'alimentation en liquide de rinçage et capable d'évacuer le liquide de vidange recueilli dans un entonnoir (24) entourant la buse. De préférence, la mise en place du récipient commande, par l'intermédiaire d'un poussoir (26), l'envoi de liquide à la buse.The invention relates to a device for rinsing containers, in particular of phytosanitary or toxic products, of small dimensions. The same set includes an inlet (3,9) for rinsing liquid, a nozzle (18) directed upwards and which can penetrate into the container to be rinsed, introduced with the opening at the bottom and an ejector (11, 33) supplied by a bypass of the flushing liquid supply and capable of discharging the draining liquid collected in a funnel (24) surrounding the nozzle. Preferably, the positioning of the container controls, by means of a pusher (26), the sending of liquid to the nozzle.

Description

La présente invention est relative à un dispositif de rinçage pour récipients, contenant par exemple des produits phytosanitaires ou toxiques.The present invention relates to a rinsing device for containers, for example containing phytosanitary or toxic products.

Les exigences de sécurité et de protection de l'environnement ont imposé, avec une acuité croissante, qu'on porte attention à l'élimination des déchets et, en particulier, des emballages vides. Par ailleurs, l'agri­culture emploie des quantités croissantes de produits phytosanitaires, généralement présentés en emballages de petite capacité, sous une forme très concentrée, qui doivent être dilués au moment de l'emploi. Les récipients de produits concentrés, une fois qu'ils sont vides, posent un problème d'élimination. Dans le cas de récipients rigi­des, généralement en matière plastique, qui ont contenu ces produits, il est nécessaire de procéder à un rinçage soigné, avant leur destruction par le feu, leur stockage en vue d'une collecte, ou leur enfouissage dans le sol en des emplacements convenables.The requirements of safety and environmental protection have imposed, with increasing acuteness, that attention be paid to the disposal of waste and, in particular, empty packaging. In addition, agriculture uses increasing quantities of phytosanitary products, generally presented in small capacity packaging, in a highly concentrated form, which must be diluted at the time of use. Containers of concentrated products, once empty, pose a disposal problem. In the case of rigid containers, generally made of plastic, which have contained these products, it is necessary to carry out a careful rinsing, before their destruction by fire, their storage for collection, or their burial in the ground. in suitable locations.

Dans une exploitation agricole, la quantité de récipients à rincer peut être importante, à la fin d'une opération. Les moyens usuels utilisés prennent beaucoup de temps, sont impratiques, et souvent ne permettent pas une récupération ou un recyclage des eaux de rinçage, soit pour les neutraliser, soit pour les mélanger aux liquides de traitement, là où cela est possible.On a farm, the quantity of containers to be rinsed can be important, at the end of an operation. The usual means used take a long time, are impractical, and often do not allow recovery or recycling of the rinsing water, either to neutralize it or to mix it with the treatment liquids, where possible.

Il y a donc un besoin pour un dispositif qui per­mette de rincer complètement, rapidement voire immédiate­ment, et sans travaux de manutention exagérés, une série de bidons ayant contenu un produit concentré.There is therefore a need for a device which makes it possible to rinse completely, quickly or even immediately, and without exaggerated handling work, a series of cans having contained a concentrated product.

Le but de l'invention est de fournir un appareil­lage qui permette, sans fatigue et en peu de temps, d'effectuer le rinçage groupé ou au fur et à mesure d'un nombre important de récipients de petites dimensions, le rinçage étant fait de façon efficace et complète, et les eaux de rinçage étant facilement collectées, de préférence pour être incorporées immédiatement à une bouillie qui vient d'être préparée dans la cuve d'un pulvérisateur.The object of the invention is to provide an apparatus which makes it possible, without fatigue and in a short time, to carry out the rinsing together or as a large number of small containers, the rinsing being made of efficiently and completely, and the rinsing water being easily collected, preferably to be incorporated immediately into a spray which has just been prepared in the tank of a sprayer.

Pour obtenir ce résultat, l'invention fournit un dispositif de rinçage de récipients comprenant une admission de liquide de rinçage sous pression, une buse pourve d'au moins un ajutage capable de projecter du li­quide de riçage vers les parois intérieures du récipient, des moyens pour recueillir le liquide pollué hors du récu­pient, et des moyens pour l'évacuer vers un dispositif de stockage, de traitement ou d'utilisation, avec pour parti­cularité qu'un même ensemble d'une seule pièce comprend :
- l'admission de liquide de rinçage,
- la buse avec son ajutage monté à l'extrémité d'un conduit apte à pénétrer dans le récipient par un orifice dudit récipient.
- un entonnoir apte à collecter le liquide pollué s'échappant par ledit orifice,
- et un éjecteur de liquide pollué, alimenté par une dérivation de l'alimentation en liquide de rinçage, et dont l'entrée est connectée audit entonnoir et la sortie aux moyens d'évacuation.To obtain this result, the invention provides a device for rinsing containers comprising an inlet for pressurized rinsing liquid, a nozzle provided with at least one nozzle capable of projecting rinsing liquid towards the interior walls of the container, means to collect the polluted liquid out of the recover, and means for evacuating it to a storage, treatment or use device, with the particularity that the same whole of a single piece comprises:
- the intake of rinse aid,
- The nozzle with its nozzle mounted at the end of a conduit capable of entering the container through an orifice of said container.
a funnel capable of collecting the polluted liquid escaping through said orifice,
- And a polluted liquid ejector, supplied by a bypass of the supply of rinsing liquid, and the inlet of which is connected to said funnel and the outlet to the discharge means.

Par "ensemble d'une seule pièce", on entend soit une pièce unique, obtenue par moulage, par exemple, ou bien un assemblage rigide de plusieurs pièces, réunies par vissage ou soudage par exemple, et dont la disposition relative ne varie pas lors de l'utilisation.By "one-piece assembly" is meant either a single piece, obtained by molding, for example, or a rigid assembly of several pieces, joined together by screwing or welding for example, and the relative arrangement of which does not vary during of use.

De préférence, le dispositif selon l'invention comprend une valve disposée pour arrêter l'envoi de liquide de rinçage à la buse tout en maintenant l'alimentation de l'éjecteur.Preferably, the device according to the invention comprises a valve arranged to stop the sending of rinsing liquid to the nozzle while maintaining the supply to the ejector.

Dans ce cas, il est prévu, de façon avantageuse, que ladite valve comprend une pièce capable de coulisser le long de l'axe de la buse entre une position de fermetu­re, vers laquelle elle est poussée par un ressort, et une position d'ouverture, dans laquelle elle peut être amenée par le déplacement d'un poussoir, coaxial à la buse et susceptible d'être actionné, en opposition avec ledit ressort, par le récipient lui-même ou la partie de la paroi de ce dernier qui s'étend autour de l'orifice dans lequel la buse est introduite.In this case, it is advantageously provided that said valve comprises a part capable of sliding along the axis of the nozzle between a closed position, towards which it is pushed by a spring, and a position of opening, into which it can be brought by the movement of a pusher, coaxial with the nozzle and capable of being actuated, in opposition to said spring, by the container itself or the part of the wall of the latter which s extends around the orifice into which the nozzle is inserted.

Suivant une modalité intéressante, le poussoir peut être monté dans au moins deux positions différentes par rapport à la buse, pour adapter le dispositif à des récipients différents. De préférence, on passe d'une posi­tion du poussoir à une autre en le retournant de haut en bas.According to an advantageous modality, the pusher can be mounted in at least two different positions relative to the nozzle, to adapt the device to different containers. Preferably, one passes from one position of the pusher to another by turning it up and down.

Suivant une autre modalité intéressante, le dis­positif est équipé d'un couvercle recouvrant l'entonnoir pour le protéger en dehors des périodes d'utilisation, ce couvercle étant capable de faire passer la buse en posi­tion d'ouverture pour le nettoyage de la face intérieure dudit couvercle, soit par action du couvercle sur le pous­soir, soit par action du fond du couvercle sur la buse elle-même.According to another advantageous method, the device is equipped with a cover covering the funnel to protect it outside of periods of use, this cover being capable of passing the nozzle into the open position for cleaning the interior face. of said cover, either by action of the cover on the pusher, or by action of the bottom of the cover on the nozzle itself.

Suivant encore une autre modalité intéressante, le dispositif est équipé d'une purge munie d'un clapet qui se ferme lorsque le liquide de rinçage est admis sous pres­sion dans le dispositif et s'ouvre lorsque ce liquide sous pression n'est plus admis et la section de la purge, lors­que le clapet est ouvert, est supérieure à la section de passage offerte au liquide allant de l'entonnoir vers l'éjecteur.According to yet another advantageous method, the device is equipped with a purge provided with a valve which closes when the rinsing liquid is admitted under pressure into the device and opens when this pressurized liquid is no longer admitted and the purge section, when the valve is open, is greater than the passage section offered to the liquid going from the funnel to the ejector.

Avantageusement, le dispositif est branché sur les moyens de remplissage d'un appareil à épandre ou pulvéri­ser une solution de traitment des sols ou des végétaux, pour permettre le mélange du liquide de rinçage pollué à cette solution.Advantageously, the device is connected to the filling means of a device for spreading or spraying a solution for treating soils or plants, to allow mixing of the polluted rinsing liquid with this solution.

L'invention va maintenant être exposée de façon plus détaillée à l'aide d'un exemple pratique illustré par les dessins, parmi lesquels :

  • Figure 1 est une coupe longitudinale d'un disposi­tif selon l'invention, décrit à titre d'exemple,
  • Figure 2 est une vue partielle, analogue à la figure 1, et montrant une variante d'agencement,
  • Figure 3 est une vue du poussoir, prise selon l'axe de la buse.
  • Figures 4 et 5 sont des vues partielles analogues à la figure 1, et relatives respectivement à la purge et au couvercle.
The invention will now be explained in more detail using a practical example illustrated by the drawings, among which:
  • FIG. 1 is a longitudinal section of a device according to the invention, described by way of example,
  • FIG. 2 is a partial view, similar to FIG. 1, and showing an alternative arrangement,
  • Figure 3 is a view of the pusher, taken along the axis of the nozzle.
  • Figures 4 and 5 are partial views similar to Figure 1, and relating respectively to the purge and on the cover.

Le dispositif selon l'invention, décrit ici comme exemple non limitatif, est destiné au rinçage à l'eau de récipients couramment commercialisés de capacité comprise entre 0,5 et 20 litres environ.The device according to the invention, described here as a nonlimiting example, is intended for rinsing with water of commonly marketed containers with a capacity of between approximately 0.5 and 20 liters.

Un carter 1 est pourvu d'une patte de fixation 2, pour le relier à un support non représenté. Le carter comporte un orifice d'admission 3, à axe horizontal, un orifice d'évacuation 4, coaxial à l'orifice d'admission, et un orifice 5, vertical, de liaison avec le récipient. A l'intérieur du carter est monté un répartiteur 6, monté à force dans l'orifice d'admission 3, et comportant une partie tubulaire 7 qui fait saillie à l'extérieur de l'orifice d'admission du carter, est fileté extérieurement, et porte une bague filetée 8 qui maintient un embout 9 de liaison avec une conduite d'amenée d'eau non représen­tée. Un clapet anti-retour 9A est intercalé entre le ré­partiteur 6 et l'embout 9.A casing 1 is provided with a fixing lug 2, for connecting it to a support, not shown. The casing comprises an inlet port 3, with a horizontal axis, a discharge port 4, coaxial with the inlet port, and a port 5, vertical, for connection with the container. Inside the housing is mounted a distributor 6, forcibly mounted in the intake orifice 3, and comprising a tubular part 7 which projects outside the intake orifice of the housing, is externally threaded , and carries a threaded ring 8 which maintains a nozzle 9 for connection with a water supply pipe not shown. A non-return valve 9A is interposed between the distributor 6 and the nozzle 9.

Le répartiteur 6 comprend encore une partie tu­bulaire 10, située en prolongement de l'orifice d'admis­sion, et qui est terminée par un diaphragme 11, formant un étranglement, maintenu en place par une pièce filetée 12.The distributor 6 also comprises a tubular part 10, located in extension of the intake orifice, and which is terminated by a diaphragm 11, forming a constriction, held in place by a threaded piece 12.

Le répartiteur comporte, par ailleurs, une pièce tubulaire verticale 13 qui débouche dans la partie tubu­laire 10, et est coaxiale avec l'orifice de liaison 5. L'extrémité de la pièce tubulaire 13 qui est à l'opposé du répartiteur 6 est fermée et présente des passages ho­rizontaux 14. Un manchon 15 peut coulisser le long de la pièce tubulaire 13 entre une position haute, où il obture les passages 14, et une position basse, non représentée, où ces passages sont dégagés. L'étanchéité, quand le man­chon 15 est en position haute, est obtenue par des joints toriques placés dans des gorges de la pièce tubulaire 13, au-dessus des passages 14. Le manchon 15 est rendu soli­daire, grâce à un filetage 17, de la buse 18. Celle-ci est une pièce tubulaire, de diamètre intérieur supérieur au diamètre intérieur du manchon 15, au moins sur une certai­ne partie de sa longueur. Un ressort de compression 19 prend appui d'une part sur un épaulement 20 de la buse et, d'autre part, sur une bague 21, fixe par rapport au carter 1. Ce ressort tend donc à maintenir la buse, et le manchon 15, en position haute, c'est-à-dire avec les passages 14 obturés. En partie supérieure, la buse se termine par des ajutages 22 dirigés obliquement et un ajutage 23 axial. Un entonnoir de réception de liquide de vidange 24 est monté coaxialement à la buse. A sa partie inférieure, il prend appui sur les bords de l'orifice de liaison 5 du carter, et il est relié à cet endroit par des entretoises 25 à la bague 21.The distributor has, moreover, a vertical tubular part 13 which opens into the tubular part 10, and is coaxial with the connection orifice 5. The end of the tubular part 13 which is opposite the distributor 6 is closed and has horizontal passages 14. A sleeve 15 can slide along the tubular part 13 between a high position, where it closes the passages 14, and a low position, not shown, where these passages are cleared. The seal, when the sleeve 15 is in the high position, is obtained by O-rings placed in grooves of the tubular part 13, above the passages 14. The sleeve 15 is made integral, by means of a thread 17, of the nozzle 18. This is a tubular part, with an internal diameter greater than the internal diameter of the sleeve 15, at least over a certain part of its length. A compression spring 19 is supported on the one hand on a shoulder 20 of the nozzle and, on the other hand, on a ring 21, fixed relative to the casing 1. This spring therefore tends to hold the nozzle, and the sleeve 15, in the high position, that is to say with the passages 14 closed. In the upper part, the nozzle ends with nozzles 22 directed obliquely and an axial nozzle 23. A draining liquid receiving funnel 24 is mounted coaxially with the nozzle. At its lower part, it bears on the edges of the connection orifice 5 of the casing, and it is connected at this point by spacers 25 to the ring 21.

Un poussoir 26 dont l'aspect en plan indiqué à la figure 3 est celui d'un volant à trois branches comprend un manchon 27, qui peut coulisser le long de la buse et est arrêté par celle-ci grâce à un épaulement 28,et trois branches radiales 29, réunies à leurs extrémités par une bague 30, de diamètre inférieur au diamètre maximal de l'entonnoir 24. Chacune des branches radiales 29 porte un ergot 31 dont on verra plus loin l'utilité. Le nombre des branches 29 peut être différent de trois.A pusher 26 whose aspect in plan indicated in FIG. 3 is that of a three-spoke flywheel comprises a sleeve 27, which can slide along the nozzle and is stopped by the latter thanks to a shoulder 28, and three radial branches 29, joined at their ends by a ring 30, of diameter less than the maximum diameter of the funnel 24. Each of the radial branches 29 carries a lug 31 whose utility will be seen below. The number of branches 29 can be different from three.

L'orifice d'évacuation 4 du carter maintient, grâce à une bague filetée 32, un venturi 33, pourvu de moyens de liaison avec un conduit d'évacuation non repré­senté. La section interne du venturi 33 est calculée pour constituer, en coopérant avec un jet issu de l'orifice du diaphragme 11, un évacuateur capable d'aspirer le li­quide de vidange descendu depuis l'entonnoir 24 jusqu'à l'intérieur de carter 1.The evacuation orifice 4 of the casing maintains, by virtue of a threaded ring 32, a venturi 33, provided with connection means with an evacuation duct not shown. The internal section of the venturi 33 is calculated to constitute, by cooperating with a jet coming from the orifice of the diaphragm 11, an evacuator capable of sucking the draining liquid descended from the funnel 24 to the inside of casing 1 .

La figure 4 montre une variante du dispositif de la figure 1. La différence consiste dans le fait que le carter 1 est pouvu d'une purge 35 pourvue d'un clapet 36 à bille 37. Un ressort taré 38 soulève la bille 37 sur son siège 39 lorsque le carter est soumis à une pression fai­ble. Cependant, lorsque le dispositif est soumis à la pression d'utilisation du liquide de rinçage, le clapet est fermé. Par ailleurs, le manchon 15 comporte une sail­lie périphérique dentée 15A (figure 1) qui étrangle le pas­sage entre le fond de l'entonnoir 24 et l'orifice d'éva­ cuation 4 du carter. L'utilité de la purge et de l'étran­glement sera expliquée plus loin.Figure 4 shows a variant of the device of Figure 1. The difference consists in the fact that the casing 1 is capable of a drain 35 provided with a ball valve 36. A calibrated spring 38 lifts the ball 37 on its seat 39 when the casing is subjected to low pressure. However, when the device is subjected to the pressure of use of the rinsing liquid, the valve is closed. Furthermore, the sleeve 15 has a toothed peripheral projection 15A (FIG. 1) which throttles the passage between the bottom of the funnel 24 and the evacuation orifice. cuation 4 of the housing. The usefulness of purging and throttling will be explained later.

La figure 5 montre une autre modalité du disposi­tif. Un couvercle 40, en forme de cuvette renversée, peut être posé sur les bords de l'entonnoir 24 pour le protéger pendant les périodes de non utilisation. Le couvercle com­porte des nervures axiales internes 41, dont deux sont re­présentées.Sur son bord, le couvercle présente un téton 42 axial (ou plusieurs) qui vient pénétrer soit dans un trou 43 prévu sur le bord de l'entonnoir, soit dans un autre trou du même bord, angulairement décalé de façon convena­ble. Quand le couvercle est posé sur l' entonnoir avec le téton 42 dans le trou 43, les nervures 41 sont hors de contact du poussoir 26, alors que, si le téton est dans l'autre trou, les nervures 41 viennent en appui sur le poussoir, et commandent alors l'ouverture de la buse pour le nettoyage interne du couvercle. Un ergot 44 solidaire de l'entonnoir immobilise le poussoir en rotation.Figure 5 shows another modality of the device. A cover 40, in the form of an inverted bowl, can be placed on the edges of the funnel 24 to protect it during periods of non-use. The cover has internal axial ribs 41, two of which are shown. On its edge, the cover has an axial stud 42 (or more) which comes either into a hole 43 provided on the edge of the funnel, or into another hole of the same edge, angularly offset suitably. When the cover is placed on the funnel with the stud 42 in the hole 43, the ribs 41 are out of contact with the pusher 26, while, if the stud is in the other hole, the ribs 41 come to bear on the pusher, and then control the opening of the nozzle for internal cleaning of the cover. A lug 44 secured to the funnel immobilizes the rotary pusher.

Dans une variante plus simple, mais moins robuste, le fond du couvercle est flexible, et sa forme est calcu­lée pour que, au repos, le couvercle repose sur l'enton­noir avec la buse 18 affleurant le fond 45 du couvercle ou à faible distance de lui. En appuyant sur le fond du cou­vercle, on déplace la buse et on l'amène en position d'ou­verture. Le liquide de rinçage passe alors essentiellement par les ajutages latéraux 22, l'ajutage axial 23 étant obstrué.In a simpler, but less robust variant, the bottom of the cover is flexible, and its shape is calculated so that, at rest, the cover rests on the funnel with the nozzle 18 flush with the bottom 45 of the cover or at a short distance from him. By pressing on the bottom of the cover, the nozzle is moved and brought to the open position. The rinsing liquid then essentially passes through the lateral nozzles 22, the axial nozzle 23 being obstructed.

Le fonctionnement du dispositif est le suivant:The operation of the device is as follows:

On commence par envoyer le liquide de rinçage, en principe de l'eau, sous une pression convenable, dans l'orifice d'admission, les passages 14 étant fermés. Le liquide de rinçage s'écoule alors à travers l'orifice du diaphragme 11 et le venturi 33 directement vers l'éva­cuation. On met alors en place un récipient à rincer, et pour cela, on le retourne, avec son ouverture vers le bas, et on le place de façon que la buse pénètre à l'intérieur par cette ouverture.On pousse alors le récipient vers le bas jusqu'à ce qu'il vienne en appui contre les branches 29 du poussoir (voir figures 1 et 2).We start by sending the rinsing liquid, in principle water, under a suitable pressure, into the intake orifice, the passages 14 being closed. The rinsing liquid then flows through the orifice of the diaphragm 11 and the venturi 33 directly to the discharge. We then set up a container to rinse, and for that, we turn it over, with its opening down, and we place it so that the nozzle enters inside through this opening. We then push the container towards the down until it comes to rest against branches 29 of the pusher (see Figures 1 and 2).

Une continuation du mouvement du récipient vers le bas entraîne le poussoir et la buse 18, en opposition à la force du ressort 19, jusqu'à ce que les passages 14 soient dégagés. Le liquide de rinçage pénètre alors à l'intérieur de la buse, et est projeté par les ajutages 22, 23. Lorsqu'il est jugé que le récipient est suffisam­ment rincé, on relève celui-ci, ce qui entraîne l'arrêt du débit de la buse, le liquide de rinçage continuant de passer par l'orifice du diaphragme 11. Par l'action de l'éjecteur constitué par cet orifice et le venturi 33, tout le liquide recueilli dans l'entonnoir 24 est rapide­ment évacué, et l'ensemble se trouve rincé et vidé.Continued movement of the container downwards drives the plunger and the nozzle 18, in opposition to the force of the spring 19, until the passages 14 are cleared. The rinsing liquid then penetrates inside the nozzle, and is projected by the nozzles 22, 23. When it is judged that the container is sufficiently rinsed, the latter is raised, which causes the flow to stop. from the nozzle, the rinsing liquid continuing to pass through the orifice of the diaphragm 11. By the action of the ejector constituted by this orifice and the venturi 33, all the liquid collected in the funnel 24 is rapidly evacuated, and the whole is rinsed and emptied.

On peut alors interrompre l'arrivée de liquide de rinçage sous pression par l'orifice d'admission 3. Supposons que le liquide pollué soit refoulé par l'orifice d'évacuation 4 à un niveau supérieur à celui du disposi­tif, l'arrêt de l'envoi de liquide de rinçage aura pour conséquence un retour en arrière du liquide pollué. C'est pour éviter que ce liquide rest dans le dispositif qu'on a prévu la disposition objet de la figure 4. La chute de pression à l'intérieur du carter 1 entraîne l'ouverture du clapet 36 de la purge 35, et l'évacuation du liquide en retour. Comme la section de passage en direction de l'entonnoir est plus réduite que celle de la purge, le liquide en retour ne reflue pas dans l'entonnoir.It is then possible to interrupt the arrival of pressurized rinsing liquid through the intake orifice 3. Suppose that the polluted liquid is discharged through the evacuation orifice 4 to a level higher than that of the device, the stopping of the sending of rinse aid will result in a return of the polluted liquid. It is to prevent this liquid remaining in the device that the arrangement object of FIG. 4 has been provided. The pressure drop inside the casing 1 causes the valve 36 of the purge 35 to open, and the evacuation of the liquid in return. As the passage section towards the funnel is smaller than that of the drain, the return liquid does not flow back into the funnel.

Si le liquide pollue est refoulé à un niveau infé­rieur, la purge n'est pas nécessaire. Elle peut être dé­montée et remplacée par un bouchon.If the polluted liquid is discharged to a lower level, purging is not necessary. It can be dismantled and replaced by a plug.

Comme on l'a observé, les bras 29 du poussoir ont une forme inclinée vers la périphérie. Il en résulte que, plus l'orifice du récipient est large, plus la buse pénètre profondément à l'intérieur de celui-ci, ce qui est favorable attendu que les récipients les plus volumi­neux sont généralement ceux qui ont l'orifice le plus large.As has been observed, the arms 29 of the pusher have a shape inclined towards the periphery. As a result, the wider the container orifice, the deeper the nozzle penetrates inside of it, which is favorable since the larger containers are generally those with the widest orifice. .

A la figure 1, on a représenté en tirets une par­tie de la coupe d'un récipient rigide à goulot étroit 50, en appui su la région centrale du poussoir 26. Sur la même figure, on a aussi représenté, également entirets, une partie de la soupe d'un récipient rigide à goulot lar­ge 51, en appui sur la région périphérique du poussoir 26.In FIG. 1, part of the section of a rigid container with a narrow neck 50 has been shown in broken lines, resting on the central region of the pusher 26. In the same figure, there is also shown, also entirets, part of the soup of a rigid container with a wide neck 51, bearing on the peripheral region of the pusher 26.

Si l'on désire rincer des récipients de faible hauteur, ou dont le col est souple ou rétractable, on peut retourner le poussoir 26 de bas en haut, pour qu'il prenne la position indiquée à la figure 2. Dans cette position, les ergots 31 sont dirigés vers le haut.If you wish to rinse containers of low height, or whose neck is flexible or retractable, you can turn the pusher 26 from bottom to top, so that it takes the position indicated in Figure 2. In this position, the pins 31 are directed upwards.

Si cela est nécessaire, on peut prévoir un plus grand nombre de positions pour le poussoir 26, par exemple avec des butées échelonnées portées par la buse.If necessary, a greater number of positions can be provided for the pusher 26, for example with staggered stops carried by the nozzle.

Sur cette figure 2, on a représenté une partie de la coupe d'un récipient 52 formé d'un corps ri­gide 53 pourvu d'un col flexible 54. Comme on peut le voir, les ergots 31 viennent en contact avec le corps ri­gide 53, et le col flexible 54 ne touche pas le poussoir. Il n'y a donc pas de risque d'endommager ce col, ou de le rétracter à l'intérieur, ce qui entraîne un rinçage impar­fait. La pénétration de la buse dans le récipient est, elle aussi, limitée par l'action des ergots, ce qui empê­che qu'elle vienne heurter le fond du récipient.In this Figure 2, there is shown a part of the section of a container 52 formed of a rigid body 53 provided with a flexible neck 54. As can be seen, the pins 31 come into contact with the rigid body 53 , and the flexible neck 54 does not touch the pusher. There is therefore no risk of damaging this collar, or of retracting it inside, which results in an imperfect rinsing. The penetration of the nozzle into the container is also limited by the action of the pins, which prevents it from hitting the bottom of the container.

Sur les figures 1 et 2, on a représenté schémati­quement en 26a, en tirets, la position du poussoir à son maximum d'enforcement.In Figures 1 and 2, there is shown schematically at 26a, in dashes, the position of the pusher at its maximum reinforcement.

Comme on peut le voir, le dispositif de l'invention permet des opérations de rinçage extrêmement rapides pour un grand nombre de récipients, ces opérations se bornent à retourner le récipient et à le placer sur la buse, puis à le retirer après rinçage. On peut alors obturer le réci­pient, qui ne contient plus que quelques gouttes d'eau propre. On met aussi en place, s'il y a lieu, le couvercle 40 sur l'entonnoir 24, et, éventuellement, on le rince de la manière indiquée plus haut. On obtient ainsi un gain de temps appréciable sur le "chantier" de préparation, tout en obtenant toujours un nettoyage d'excellente qualité et sans pollution de l'environnement.As can be seen, the device of the invention allows extremely rapid rinsing operations for a large number of containers, these operations are limited to turning the container over and placing it on the nozzle, then removing it after rinsing. We can then close the container, which contains only a few drops of clean water. We also put in place, if necessary, the cover 40 on the funnel 24, and, optionally, it is rinsed in the manner indicated above. An appreciable time saving is thus obtained on the "site" of preparation, while always obtaining an excellent quality cleaning without pollution of the environment.

Dans un agencement préféré, le dispositif décrit est branché, en série ou en dérivation sur la conduite d'alimentation du dispositif de remplissage d'un pulvéri­sateur. Les eaux de rinçage sont ainsi immédiatement incorporées à la bouillie contenue dans le pulvérisateur et qui a été préparée avec le produit concentré qui était contenu dans les récipients qu'il s'agit de rincer. On assure ainsi l'utilisation totale du produit en même temps que l'élimination de tout problème de traitment ou sto­ckage de l'eau de rinçage.In a preferred arrangement, the device described is connected, in series or bypass to the supply line of the filling device of a sprayer. The rinsing water is thus immediately incorporated into the spray contained in the sprayer and which has been prepared with the concentrated product which was contained in the containers to be rinsed. This ensures total use of the product at the same time as eliminating any problem with the treatment or storage of the rinsing water.

Claims (8)

1. Dispositif de rinçage de récipients comprenant une admission de liquide de rinçage sous pression, une buse (18) pourvue d'au moins un ajutage capable de proje­ter du liquide de rinçage vers les parois intérieures du récipient, des moyens pour recueillir le liquide pollué hors du récipient, et des moyens pour l'évacuer vers un dispositif de stockage ou de traitement,
caractérisé en ce qu'un même ensemble d'une seule pièce comprend:
- l'admission (3, 9) de liquide de rinçage,
- la buse (18) avec son ajutage à l'extrémité d'un conduit apte à pénétrer dans le récipient par un ori­fice dudit récipient,
- un entonnoir (24) apte à collecter le liquide pollué s'échappant par ledit orifice,
- et un éjecteur (11, 33) de liquide pollué, ali­menté par une dérivation de l'alimentation en liquide de rinçage, et dont l'entrée est connectée audit entonnoir et la sortie aux moyens d'évacuation.1. Device rinsing device comprising a pressure rinsing liquid inlet, a nozzle (18) provided with at least one nozzle capable of spraying rinsing liquid towards the interior walls of the container, means for collecting the polluted liquid outside the container, and means for evacuating it to a storage or processing device,
characterized in that the same one-piece set includes:
- the intake (3, 9) of flushing liquid,
- the nozzle (18) with its nozzle at the end of a duct capable of entering the container through an orifice of said container,
- a funnel (24) capable of collecting the polluted liquid escaping through said orifice,
- And an ejector (11, 33) of polluted liquid, supplied by a bypass of the supply of rinsing liquid, and the inlet of which is connected to said funnel and the outlet to the discharge means. 2. Dispositif selon la revendication 1, caractérisé en ce qu'il comprend une valve (14, 15) disposée pour arrêter l'envoi de liquide de rinçage à la buse tout en maintenant l'alimentation de l'éjecteur.2. Device according to claim 1, characterized in that it comprises a valve (14, 15) arranged to stop the sending of rinsing liquid to the nozzle while maintaining the supply to the ejector. 3. Dispositif selon la revendication 2, caractérisé en ce que ladite valve comprend une pièce (15) capable de coulisser le long de l'axe de la buse entre une position de fermeture, vers laquelle elle est poussée par un ressort (19), et une position d'ouverture, dans laquelle elle peut être amenée par le déplacement d'un poussoir (26), coaxial à la buse et susceptible d'être actionné, en oppo­sition avec ledit ressort, par le récipient lui même ou la partie de la paroi de ce dernier qui s'étend autour de l'orifice dans lequel la buse est introduite.3. Device according to claim 2, characterized in that said valve comprises a part (15) capable of sliding along the axis of the nozzle between a closed position, towards which it is pushed by a spring (19), and an open position, in which it can be brought by the displacement of a pusher (26), coaxial with the nozzle and capable of being actuated, in opposition to said spring, by the container itself or the part of the wall of the latter which extends around the orifice into which the nozzle is introduced. 4. Dispositif selon la revendication 3, caractérisé en ce que le poussoir (26) peut être monté dans au moins deux positions différentes par rapport à la buse (18), pour adapter le dispositif à des récipients différents.4. Device according to claim 3, characterized in that the pusher (26) can be mounted in at least two different positions relative to the nozzle (18), to adapt the device to different containers. 5. Dispositif selon la revendication 4, caractéri­sé en ce qu'on passe d'une position du poussoir à une au­tre en le retournant de haut en bas.5. Device according to claim 4, characterized in that one passes from one position of the pusher to another by turning it up and down. 6. Dispositif selon l'une des revendications 3 à 5, caractérisé en ce qu'il est équipé d'un couvercle (40) recouvrant l'entonnoir (24) pour le protéger en dehors des périodes d'utilisation, ce couvercle étant capable de fai­re passer la buse (18) en position d'ouverture pour le nettoyage de la face intérieure dudit couvercle, soit par action du couvercle vers le poussoir (26), soit par action du fond du couvercle sur la buse (18) elle-même.6. Device according to one of claims 3 to 5, characterized in that it is equipped with a cover (40) covering the funnel (24) to protect it outside periods of use, this cover being capable to pass the nozzle (18) in the open position for cleaning the inner face of said cover, either by action of the cover towards the pusher (26), or by action of the bottom of the cover on the nozzle (18) itself even. 7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce qu'il est équipé d'une purge (35) munie d'un clapet (36) qui se ferme lorsque le liquide de rinçage est admis sous pression dans le dispositif et s'ouvre lorsque ce liquide sous pression n'est plus admis, et la section de la purge, lorsque le clapet est ouvert, est supérieure à la section de passage offerte au liquide allant de l'entonnoir (24) vers l'éjecteur (33).7. Device according to one of claims 1 to 6, characterized in that it is equipped with a drain (35) provided with a valve (36) which closes when the rinsing liquid is admitted under pressure into the device and opens when this pressurized liquid is no longer admitted, and the section of the purge, when the valve is open, is greater than the passage section offered to the liquid going from the funnel (24) to the ejector (33). 8. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce qu'il est branché sur les moyens de remplissage d'un appareil à épandre ou pulvériser une so­lution de traitement des sols ou des végétaux, pour per­mettre le mélange du liquide de rinçage pollué à cette solution.8. Device according to one of claims 1 to 8, characterized in that it is connected to the filling means of a device for spreading or spraying a soil or plant treatment solution, to allow mixing of the liquid of polluted rinse with this solution.
EP88402946A 1987-11-30 1988-11-24 Apparatus for rinsing receptacles Expired - Lifetime EP0319376B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8716561A FR2623735B1 (en) 1987-11-30 1987-11-30 DEVICE FOR RINSING CONTAINERS
FR8716561 1987-11-30

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EP0319376A1 true EP0319376A1 (en) 1989-06-07
EP0319376B1 EP0319376B1 (en) 1992-03-11

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EP (1) EP0319376B1 (en)
DE (1) DE3869074D1 (en)
FR (1) FR2623735B1 (en)

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FR2623735A1 (en) 1989-06-02
FR2623735B1 (en) 1990-04-13
US4872467A (en) 1989-10-10
EP0319376B1 (en) 1992-03-11
DE3869074D1 (en) 1992-04-16

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