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EP1351859A1 - Method and installation for emptying casks - Google Patents

Method and installation for emptying casks

Info

Publication number
EP1351859A1
EP1351859A1 EP01271308A EP01271308A EP1351859A1 EP 1351859 A1 EP1351859 A1 EP 1351859A1 EP 01271308 A EP01271308 A EP 01271308A EP 01271308 A EP01271308 A EP 01271308A EP 1351859 A1 EP1351859 A1 EP 1351859A1
Authority
EP
European Patent Office
Prior art keywords
barrel
bag
bell
glove box
installation
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
EP01271308A
Other languages
German (de)
French (fr)
Other versions
EP1351859B1 (en
Inventor
Frédéric Dietrich
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE60105450.4T priority Critical patent/DE60105450T4/en
Publication of EP1351859A1 publication Critical patent/EP1351859A1/en
Application granted granted Critical
Publication of EP1351859B1 publication Critical patent/EP1351859B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0075—Emptying systems for flexible intermediate bulk containers [FIBC]
    • B65B69/0091—Emptying systems for flexible intermediate bulk containers [FIBC] using frames whereby the container is bottom supported

Definitions

  • the present invention relates to a barrel emptying installation equipped with an internal double bag comprising an external bag and an internal bag containing pulverulent products and a method of using said installation.
  • Containment is also a necessity for ecological reasons as well as to protect the health of the operators and in addition to prevent the product from coming into contact with the ambient atmosphere and being contaminated. Operators have so far been protected by clothing and gas masks or similar devices. However, this solution is not satisfactory because it makes handling difficult and unpleasant. On the other hand, this solution does not protect the products or the environment, it is therefore necessary to use more sophisticated systems. In such systems, complex ventilation and filtration systems are often used. Gloves boxes were used. A glove box is a closed enclosure with openings leading to the interior gloves through which operators try to handle the products in a cabin, for example by taking a barrel, emptying it into another device for the manufacture of a product or to have it transferred by means of an installation adequate to a specific location.
  • This type of installation is extremely expensive and the handling of drums quite difficult through glove installations which, of course, allow satisfactory containment.
  • This type of installation called an isolator is not necessarily the best solution, especially when the powder must be loaded into equipment such as a reactor, a dryer, etc. whose accessibility is reduced and it is difficult to place such an insulator above the device or machine.
  • the object of the present invention is to propose an installation combining the advantages of a glove box and a powder transfer system for carrying out such operations while ensuring the containment of the product and also the protection of the operator and the 'environment.
  • the invention also relates to a method of using this installation.
  • the barrel emptying installation according to the invention is characterized by the characterizing clause of claim 1.
  • the advantage of the installation according to the invention is the fact that on the one hand, it is easy to have a glove box, which has already been proven, on a barrel provided with two internal bags, one of which is found on the outside of the other, use a suction rod to suck the product and then, still handling through the glove box, put another barrel in place of the first and use this in a very flexible way.
  • the lower part of the bell comprises a flat surface provided on its lower face with a flat seal allowing, when positioning the glove box on the barrel, to ensure the seal between the two , said planar surface being provided with an annular opening formed by a retaining ring provided with means for retaining the upper part of the bags.
  • Figures 1 is a schematic side view of the installation according to the invention.
  • Figure 2 is an enlarged view of the bell placed on a barrel.
  • Figures 3-13 are partial views of the installation illustrating the process steps.
  • Figure 14 is a plan view of the bell.
  • Figure 15 is a sectional view of two filters.
  • Figure 16 is a schematic view of the cleaning device.
  • FIG. 1 there is a barrel containing the pulverulent product to be drained.
  • the bell 2 the suction rod 3 and a support frame 5.
  • the barrel 1 has inside two bags 11 and 12 made in principle of a plastic material each closed independently, the bag 11 will be called the outer bag and the bag 12 the inner bag. These two bags make it possible to ensure the confinement of the powdered product even after the opening of the barrel, that is to say after having removed its cover.
  • the glove box 2 is fixed on a support 51 of the chassis 5 which is movable in the vertical direction.
  • the suction rod 3 is suspended by a flexible link 52 and a pulley 53 from the chassis 5 to allow the withdrawal of the rod or its installation during the various stages of the process.
  • the chassis 5 has a flat surface provided with rollers 54 facilitating the movement of the drums and in particular their positioning under the glove box 2.
  • the suction rod essentially comprises a pipe 31 connected to a suction device making it possible to transfer the product from the barrel to another tank or directly into the reactor or device in which the product is to be used.
  • the pipe 31 is surrounded by a flexible cuff 32 closed on its upper part and coming to connect in a leaktight manner on the upper part of the glove box 2, as will be seen below, also making it possible to ensure sealing of the installation.
  • the glove compartment comprises a bell-shaped part 21 made of a transparent material, for example acrylic glass, through which the operator can see and follow the emptying operations.
  • a bell-shaped part 21 made of a transparent material, for example acrylic glass, through which the operator can see and follow the emptying operations.
  • Two openings 22 placed on the lateral surface of the bell allow the fitting of gloves mounted in a sealed manner in these openings which allow the manipulation of different elements inside the bell.
  • the upper part of the bell is provided with an opening 26 through which the suction rod 3 and in particular the pipe 31 pass, while the flexible cuff 32 is tightly fixed on the upper part of the opening 26.
  • the lower part of the glove box has a stainless steel retaining ring 24 forming an annular opening on the lower part 23 of the bell which is planar.
  • the flat surface 23 is provided with a flat seal by which it comes to rest on the upper part of the barrel.
  • the radial width of this flat surface makes it possible to adapt the glove box to drums the diameter of which may be different, the main thing being that the bell can rest on the upper edge of the barrel by the flat seal thus ensuring sealing.
  • the ring 24 is provided with one or two retaining rings 25 which will be used to hold, as will be explained below, the two bags 11, 12 located inside the barrel 1.
  • the glove box is provided with a fixing device 28 by which this glove box is linked to the vertical movement device 51 of the chassis 5.
  • the operator begins by removing the barrel cover 1, opening the outer bag 11 and sliding inside a disposable sealing ring 6 (fig. 4).
  • the sealing ring 6 is positioned inside the retaining ring 24 and the outer bag is opened
  • the product can be sucked which is achieved by lowering the suction rod (fig. 8) and by guiding it inside the barrel to be able to suck the product to the smallest corner found inside.
  • the operator manipulates the suction rod without being in contact with the product which is confined inside the glove box installation - barrel and without wearing special clothing or equipment.
  • the installation can be placed under a nitrogen atmosphere.
  • the bell 2 (fig 14) is provided with two openings on the lateral surface provided with two smooth tubes 7, 8.
  • Each tube is provided a filter 71, 72 mounted in leaktight manner.
  • air is circulated (or nitrogen if necessary) between the two filters to create a slight vacuum inside the installation and prevent any leakage of the product in the event of handling error or other problem.
  • filters 71, 72 are standard filter cartridges of the "push through” type, that is to say it suffices to push the new cartridge onto the old one to put it in place, the old one falling into the box. gloves to be evacuated through the opening 29.
  • Figure 15 partially illustrates the passage of air (or nitrogen) through filters 71, 72.
  • FIG. 16 schematically shows a device for cleaning the installation, that is to say the bell and the cane.
  • a barrel 8 provided with an inlet 81 for the cleaning liquid followed by a hose 82, the end of which carries a gun 83.
  • the barrel 8 comprises a drain opening 84.
  • the bell is placed on the barrel 8, the conduits of two filters are plugged and sprayed cleaning is carried out.
  • the cleaning liquid is made to flow between the sheath 32 and the tube 31. After cleaning, the liquid is emptied into a suitable pit or container.
  • the installation described is very flexible because it can be moved and used with different equipment. In addition, it is possible to install it on a weighing device thus making it possible to control the quantity of product aspirated.
  • the glove box can be easily adapted to the different diameters or even geometries of barrels by changing the face 23.
  • the transfer can be carried out under an inert atmosphere.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention concerns an installation for emptying casks (1) equipped with an external bag (11) and an internal bag (12) containing powdery products. It comprises a glove box (12) consisting of a bell made of a transparent material. It is provided, on its upper part, with an opening for the passage of a suction rod (3, 31, 32) equipped with sealing means between said pipe and the bell. The lower part of the bell is provided with means adapted to be urged in sealed position on the upper part of a cask (1). The bell (2) is suspended to a frame (5, 15) for its vertical displacement.

Description

PROCEDE ET INSTALLATION DE VIDANGE DE FUTSDRUM DRAINING PROCESS AND INSTALLATION
La présente invention concerne une installation de vidange de fûts équipés d'une double sache interne comprenant une sache extérieure et une sache intérieure contenant des produits pulvérulents et un procédé d'utilisation de ladite installation.The present invention relates to a barrel emptying installation equipped with an internal double bag comprising an external bag and an internal bag containing pulverulent products and a method of using said installation.
Pour l'industrie chimique et plus particulièrement pharmaceutique, .le confinement des produits a toujours été un problème fondamental. Les dix dernières années, les produits utilisés par cette industrie notamment des produits pulvérulents, ont vu une constante augmentation de leur toxicité et leur réactivité. En plus les normes de production en matière de qualité font que le confinement de tels produits est incontournable.For the chemical and more particularly the pharmaceutical industry, product containment has always been a fundamental problem. The last ten years, the products used by this industry, in particular pulverulent products, have seen a constant increase in their toxicity and their reactivity. In addition, production standards in terms of quality make the containment of such products essential.
Le confinement est également une nécessité pour des raisons aussi bien écologiques que pour protéger la santé des opérateurs et en plus éviter que le produit vienne en contact avec l'atmosphère ambiante et soit contaminé. Les opérateurs ont été jusqu'à maintenant protégés par des vêtements et des masques à gaz ou appareils similaires. Néanmoins, cette solution n'est pas satisfaisante car elle rend les manipulations difficiles et désagréables. D'autre part, cette solution ne protège ni les produits ni l'environnement, il faut donc recourir à des systèmes plus sophistiqués. On a souvent, dans de tels systèmes, recourt à des installations complexes de ventilation et de filtration. On a utilisé des installations comprenant des boîtes à gants . Une boîte à gants est une enceinte fermée pourvue d'ouvertures aboutissant à l'intérieur des gants à travers lesquels les opérateurs essayent de manipuler les produits se trouvant dans une cabine, par exemple en prenant un fût, en le vidangeant dans un autre dispositif pour la fabrication d'un produit ou pour le faire transférer au moyen d'une installation adéquate vers un endroit précis. Ce type d'installation est extrêmement coûteuse et les manipulations de fûts assez difficiles à travers des installations à gants qui, bien entendu, permettent un confinement satisfaisant. Ce type d'installation appelé isolateur n'est pas nécessairement la meilleure solution notamment lorsque la poudre doit être chargée dans un équipement tel par exemple qu'un réacteur, un sécheur, etc. dont l'accessibilité est réduite et il est difficile de placer un tel isolateur au-dessus de l'appareil ou la machine.Containment is also a necessity for ecological reasons as well as to protect the health of the operators and in addition to prevent the product from coming into contact with the ambient atmosphere and being contaminated. Operators have so far been protected by clothing and gas masks or similar devices. However, this solution is not satisfactory because it makes handling difficult and unpleasant. On the other hand, this solution does not protect the products or the environment, it is therefore necessary to use more sophisticated systems. In such systems, complex ventilation and filtration systems are often used. Gloves boxes were used. A glove box is a closed enclosure with openings leading to the interior gloves through which operators try to handle the products in a cabin, for example by taking a barrel, emptying it into another device for the manufacture of a product or to have it transferred by means of an installation adequate to a specific location. This type of installation is extremely expensive and the handling of drums quite difficult through glove installations which, of course, allow satisfactory containment. This type of installation called an isolator is not necessarily the best solution, especially when the powder must be loaded into equipment such as a reactor, a dryer, etc. whose accessibility is reduced and it is difficult to place such an insulator above the device or machine.
La présente invention a pour but de proposer une installation combinant les avantages d'une boîte à gants et d'un système de transfert de poudre pour effectuer de telles opérations en assurant le confinement du produit et également la protection de l'opérateur et de l'environnement.The object of the present invention is to propose an installation combining the advantages of a glove box and a powder transfer system for carrying out such operations while ensuring the containment of the product and also the protection of the operator and the 'environment.
L'invention concerne également un procédé d'utilisation de cette installation.The invention also relates to a method of using this installation.
L'installation de vidange de fûts selon l'invention est caractérisée par la clause caractérisante de la revendication 1. L'avantage de l'installation selon l'invention est le fait que d'une part, il est facile de disposer une boîte à gants, qui a déjà f,ait ses preuves, sur un fût muni de deux saches internes dont une se trouve à l'extérieur de l'autre, d'utiliser une canne d'aspiration pour aspirer le produit et par la suite, toujours en manipulant à travers la boîte à gants, de mettre un autre fût à la place du premier et utiliser ceci d'une manière très flexible.The barrel emptying installation according to the invention is characterized by the characterizing clause of claim 1. The advantage of the installation according to the invention is the fact that on the one hand, it is easy to have a glove box, which has already been proven, on a barrel provided with two internal bags, one of which is found on the outside of the other, use a suction rod to suck the product and then, still handling through the glove box, put another barrel in place of the first and use this in a very flexible way.
Selon une variante d'exécution, la partie inférieure de la cloche comprend une surface plane munie sur sa face inférieure d'un joint plat permettant, lors du positionnement de la boîte à gants sur le fût, d'assurer l'étanchéité entre les deux, ladite surface plane étant pourvue d'une ouverture annulaire formé d'un anneau de maintien muni des moyens pour maintenir la partie supérieure des saches.According to an alternative embodiment, the lower part of the bell comprises a flat surface provided on its lower face with a flat seal allowing, when positioning the glove box on the barrel, to ensure the seal between the two , said planar surface being provided with an annular opening formed by a retaining ring provided with means for retaining the upper part of the bags.
Le procédé selon l'invention est défini à la revendication 6.The method according to the invention is defined in claim 6.
L'invention sera décrite plus en détail à l'aide des dessins annexés.The invention will be described in more detail using the accompanying drawings.
Les figures 1 est une vue schématique de côté de l'installation selon l'invention.Figures 1 is a schematic side view of the installation according to the invention.
La figure 2 est une vue agrandie de la cloche posée sur un fût. Les figures 3-13 sont des vues partielles de l'installation illustrant les étapes du procédé.Figure 2 is an enlarged view of the bell placed on a barrel. Figures 3-13 are partial views of the installation illustrating the process steps.
La figure 14 est une vue en plan de la cloche.Figure 14 is a plan view of the bell.
La figure 15 est une vue en coupe de deux filtres.Figure 15 is a sectional view of two filters.
La figure 16 est une vue schématique du dispositif de nettoyage.Figure 16 is a schematic view of the cleaning device.
A la figure 1, on distingue un fût contenant le produit pulvérulent à vidanger. La cloche 2, la canne d'aspiration 3 et un châssis support 5.In FIG. 1, there is a barrel containing the pulverulent product to be drained. The bell 2, the suction rod 3 and a support frame 5.
Le fût 1 comprend à l'intérieur deux saches 11 et 12 faites en principe d'un matériau plastique chacune fermée de manière indépendante, la sache 11 sera appelée sache extérieure et la sache 12 sache intérieure. Ces deux saches permettent d'assurer le confinement du produit pulvérulent même après l'ouverture du fût, c'est-à-dire après avoir enlevé son couvercle. La boîte à gants 2 est fixée sur un support 51 du châssis 5 qui est déplaçable dans le sens vertical. La canne d'aspiration 3 est suspendue par un lien souple 52 et une poulie 53 au châssis 5 pour permettre le retrait de la canne ou sa mise en place lors des différentes étapes du procédé. Le châssis 5 présente une surface plane munie de rouleaux 54 facilitant le déplacement des fûts et notamment leur positionnement sous la boîte à gants 2. La canne d'aspiration comprend essentiellement un tuyau 31 relié à un dispositif d'aspiration permettant de transférer le produit du fût vers un autre réservoir ou directement dans le réacteur ou dispositif dans lequel le produit doit être utilisé. Le tuyau 31 est entouré d'une manchette flexible 32 fermée sur sa partie supérieure et venant se connecter de manière étanche sur la partie supérieure de la boîte à gants 2, comme on le verra par la suite, permettant aussi d'assurer l'étanchéité de l'installation.The barrel 1 has inside two bags 11 and 12 made in principle of a plastic material each closed independently, the bag 11 will be called the outer bag and the bag 12 the inner bag. These two bags make it possible to ensure the confinement of the powdered product even after the opening of the barrel, that is to say after having removed its cover. The glove box 2 is fixed on a support 51 of the chassis 5 which is movable in the vertical direction. The suction rod 3 is suspended by a flexible link 52 and a pulley 53 from the chassis 5 to allow the withdrawal of the rod or its installation during the various stages of the process. The chassis 5 has a flat surface provided with rollers 54 facilitating the movement of the drums and in particular their positioning under the glove box 2. The suction rod essentially comprises a pipe 31 connected to a suction device making it possible to transfer the product from the barrel to another tank or directly into the reactor or device in which the product is to be used. The pipe 31 is surrounded by a flexible cuff 32 closed on its upper part and coming to connect in a leaktight manner on the upper part of the glove box 2, as will be seen below, also making it possible to ensure sealing of the installation.
On se réfère maintenant à la figure 2 pour décrire en détail la boîte à gants. La boîte à gants comprend une partie en forme de cloche 21 faite d'un matériau transparent par exemple du verre acrylique à travers lequel l'opérateur peut voir et suivre les opérations de vidange. On peut aussi avoir une cloche en acier inoxydable munie d'une partie faite d'un matériau transparent pour permettre de voir à 1 ' intérieur de la cloche lors de son utilisation. Deux ouvertures 22 placées sur la surface latérale de la cloche permettent la mise en place des gants montés de manière étanche dans ces ouvertures qui autorisent la manipulation de différents éléments à l'intérieur de la cloche. La partie supérieure de la cloche est munie d'une ouverture 26 à travers laquelle passe la canne d'aspiration 3 et notamment le tuyau 31 tandis que la manchette flexible 32 est fixée de manière étanche sur la partie supérieure de l'ouverture 26. On peut munir de manière optionnelle cette ouverture d'un clapet 27 pour pouvoir le fermer lorsque la canne et notamment le tuyau 31 se trouvent en position écartée par exemple comme celle de la figure 1 ou 2. La partie inférieure de la boîte à gants présente un anneau de maintien en acier inoxydable 24 formant une ouverture annulaire sur la partie inférieure 23 de la cloche qui est plane. La surface plane 23 est munie d'un joint plat par lequel elle vient se poser sur la partie supérieure du fût. La largeur radiale de cette surface plane permet d'adapter la boîte à gants sur des fûts dont le diamètre peut être différent, l'essentiel étant que la cloche puisse reposer sur le bord supérieur du fût par le joint plat assurant ainsi l'étanchéité. L'anneau 24 est muni d'une ou deux bagues de retenue 25 qui seront utilisées pour maintenir, comme il le sera expliqué par la suite, les deux saches 11, 12 situées à l'intérieur du fût 1. La boîte à gants est munie d'un dispositif de fixation 28 par lequel cette boîte à gants est liée au dispositif de déplacement vertical 51 du châssis 5.Reference is now made to FIG. 2 to describe in detail the glove box. The glove compartment comprises a bell-shaped part 21 made of a transparent material, for example acrylic glass, through which the operator can see and follow the emptying operations. One can also have a stainless steel bell provided with a part made of a transparent material to allow one to see inside the bell during its use. Two openings 22 placed on the lateral surface of the bell allow the fitting of gloves mounted in a sealed manner in these openings which allow the manipulation of different elements inside the bell. The upper part of the bell is provided with an opening 26 through which the suction rod 3 and in particular the pipe 31 pass, while the flexible cuff 32 is tightly fixed on the upper part of the opening 26. On can optionally provide this opening with a valve 27 to be able to close it when the rod and in particular the pipe 31 are in the separated position for example like that of FIG. 1 or 2. The lower part of the glove box has a stainless steel retaining ring 24 forming an annular opening on the lower part 23 of the bell which is planar. The flat surface 23 is provided with a flat seal by which it comes to rest on the upper part of the barrel. The radial width of this flat surface makes it possible to adapt the glove box to drums the diameter of which may be different, the main thing being that the bell can rest on the upper edge of the barrel by the flat seal thus ensuring sealing. The ring 24 is provided with one or two retaining rings 25 which will be used to hold, as will be explained below, the two bags 11, 12 located inside the barrel 1. The glove box is provided with a fixing device 28 by which this glove box is linked to the vertical movement device 51 of the chassis 5.
A l'aide des figures 3 à 13, nous allons maintenant décrire le procédé d'utilisation de cette installation.Using FIGS. 3 to 13, we will now describe the method of using this installation.
L'opérateur commence par enlever le couvercle du fût 1, ouvrir la sache extérieure 11 et fait glisser à l'intérieur un anneau d'étanchéité jetable 6 (fig. 4).The operator begins by removing the barrel cover 1, opening the outer bag 11 and sliding inside a disposable sealing ring 6 (fig. 4).
On positionne l'anneau d'étanchéité 6 à l'intérieur de l'anneau de maintien 24 et on ouvre la sache extérieureThe sealing ring 6 is positioned inside the retaining ring 24 and the outer bag is opened
11 (fig.5) en ôtant le lien souple. Jusqu'à cette étape, aucun contact avec le produit se trouvant à l'intérieur du fût n'est possible puisque la sache intérieure 12 est toujours fermée. Par la suite, on fait descendre la boîte à gants 2 sur le fût, comme représenté à la figure 6, et l'opérateur passe ses mains dans les gants de la boîte à gants pour enlever la partie supérieure de la sache 11' restée lors du vidage du fût précédent et la jeter à travers une ouverture 29 de la cloche dans un sac. Pour la suite, on fixe le bord supérieur de la sache extérieure 11 sur l'anneau de maintien 24 au moyen du Oring 25 (fig 2) . Ensuite il ouvre la deuxième sache 12 (fig. 7) et il jette le lien souple à travers l'ouverture 29 et fait maintenir la partie supérieure également sur l'anneau de maintien 24 avec le même 0 ring ou un second. A partir de ce moment, le produit peut être aspiré ce qui est réalisé en descendant la canne d'aspiration (fig. 8) et en la guidant à l'intérieur du fût pour pouvoir aspirer le produit jusqu'au plus petit recoin se trouvant à l'intérieur. L'opérateur, pendant cette phase, manipule la canne d'aspiration sans être en contact avec le produit qui est confiné à l'intérieur de 1 ' installation boîte à gants - fût et sans porter de vêtements ou équipements spéciaux.11 (fig. 5) by removing the flexible link. Until this step, no contact with the product inside the barrel is possible since the inner bag 12 is always closed. Thereafter, the glove box 2 is lowered onto the barrel, as shown in FIG. 6, and the operator passes his hands through the gloves of the glove box to remove the upper part of the bag 11 'remained during the emptying of the previous barrel and throw it through an opening 29 of the bell in a bag. For the rest, the upper edge of the outer bag 11 is fixed to the retaining ring 24 by means of the Oring 25 (fig 2). Then he opens the second bag 12 (fig. 7) and he throws the flexible link through the opening 29 and keeps the upper part also on the retaining ring 24 with the same 0 ring or a second. From this moment, the product can be sucked which is achieved by lowering the suction rod (fig. 8) and by guiding it inside the barrel to be able to suck the product to the smallest corner found inside. The operator, during this phase, manipulates the suction rod without being in contact with the product which is confined inside the glove box installation - barrel and without wearing special clothing or equipment.
Lorsque le fût est complètement vide (fig. 9) , on remonte la canne 3 et l'opérateur introduit ses mains dans la boîte à gants (fig. 10) et libère la partie supérieure de la sache intérieure 12 qui tombe à l'intérieur de la sache extérieure 11, ainsi que l'anneau jetable 6. Ensuite on soulève l'ensemble canne d'aspiration et boîte à gants (fig. 11) jusqu'à une certaine hauteur permettant d'avoir accès à la partie supérieure de la sache extérieure 11. Au moyen de deux attaches (fig. 12), on attache la partie supérieure de la sache 11 à deux endroits éloignés dans le sens vertical, par la suite, on coupe la sache entre les deux liens (fig. 12 et 13) , ce qui permet à la partie inférieure de la sache 11 qui est fermée de tomber à l'intérieur du fût vide tandis que la partie supérieure de la sache 11, également fermée et isolée reste sur l'anneau 24. Aucune fuite du produit ne peut contaminer soit l'opérateur, soit l'environnement de 1 ' installation.When the barrel is completely empty (fig. 9), the rod 3 is raised and the operator introduces his hands into the glove box (fig. 10) and releases the upper part of the inner bag 12 which falls inside of the outer bag 11, as well as the disposable ring 6. Then lift the suction rod and glove box assembly (fig. 11) to a certain height allowing access to the upper part of the outer bag 11. By means of two fasteners (fig. 12), the upper part of the bag 11 is attached to two distant places in the vertical direction, thereafter, the bag is cut between the two links (fig. 12 and 13), which allows the party bottom of the bag 11 which is closed from falling inside the empty barrel while the upper part of the bag 11, also closed and insulated, remains on the ring 24. No leakage of the product can contaminate either the operator, or the environment of the installation.
Par la suite, on évacue le fût vide et on ramène un nouveau fût et on recommence (fig. 2 et suivantes), les mêmes opérations que précédemment.Subsequently, the empty barrel is removed and a new barrel is brought back and the process is started again (fig. 2 et seq.), The same operations as above.
Lorsque le produit à transférer contient du solvant ou il peut réagir en contact avec l'air ou l'humidité on peut mettre l'installation sous un atmosphère d'azote.When the product to be transferred contains solvent or it can react in contact with air or humidity, the installation can be placed under a nitrogen atmosphere.
Dans le but d'assurer un travail à l'intérieur de l'installation avec une légère dépression, la cloche 2 (fig 14) est munie de deux ouvertures sur la surface latérale munie de deux tubes lisses 7, 8. Chaque tube est muni d'un filtre 71, 72 monté de manière étanche. Au moyen d'un circuit de ventilation on assure une circulation d'air (ou d'azote le cas échéant) entre les deux filtres pour créer une légère dépression à l'intérieur de l'installation et éviter toute fuite du produit en cas d'erreur de manipulation ou autre problème. Ces filtres 71, 72 sont des cartouches filtrantes standards du type "push through", c'est-à- dire qu'il suffit de pousser la nouvelle cartouche sur l'ancienne pour la mettre en place, l'ancienne tombant dans la boîte à gants pour être évacué à travers l'ouverture 29. La figure 15 illustre partiellement le passage de l'air (ou azote) à travers les filtres 71, 72.In order to ensure work inside the installation with a slight depression, the bell 2 (fig 14) is provided with two openings on the lateral surface provided with two smooth tubes 7, 8. Each tube is provided a filter 71, 72 mounted in leaktight manner. By means of a ventilation circuit, air is circulated (or nitrogen if necessary) between the two filters to create a slight vacuum inside the installation and prevent any leakage of the product in the event of handling error or other problem. These filters 71, 72 are standard filter cartridges of the "push through" type, that is to say it suffices to push the new cartridge onto the old one to put it in place, the old one falling into the box. gloves to be evacuated through the opening 29. Figure 15 partially illustrates the passage of air (or nitrogen) through filters 71, 72.
Enfin à la fig. 16 on a représenté schématiquement un dispositif de nettoyage de l'installation, c'est-à-dire de la cloche et de la canne. On dispose un fût 8 muni d'une entrée 81 pour le liquide de nettoyage suivi d'un flexible 82 dont l'extrémité porte un pistolet 83. Le fût 8 comprend une ouverture de vidange 84. On pose la cloche sur le fût 8, on bouche les conduits de deux filtres et on procède au nettoyage par aspersion. Pour la canne 3 on fait couler le liquide de nettoyage entre la gaine 32 et le tube 31. Après le nettoyage, on vide le liquide vers une fosse ou récipient idoine.Finally in fig. 16 schematically shows a device for cleaning the installation, that is to say the bell and the cane. There is a barrel 8 provided with an inlet 81 for the cleaning liquid followed by a hose 82, the end of which carries a gun 83. The barrel 8 comprises a drain opening 84. The bell is placed on the barrel 8, the conduits of two filters are plugged and sprayed cleaning is carried out. For the rod 3, the cleaning liquid is made to flow between the sheath 32 and the tube 31. After cleaning, the liquid is emptied into a suitable pit or container.
L'installation décrite est très souple car elle peut être déplacée et utilisée avec différents équipements. En plus, il est possible de l'installer sur un dispositif de pesage permettant ainsi de contrôler la quantité aspirée de produit.The installation described is very flexible because it can be moved and used with different equipment. In addition, it is possible to install it on a weighing device thus making it possible to control the quantity of product aspirated.
La boîte à gants peut être facilement adaptée aux différents diamètres, voire géométries de fûts en changeant la face 23.The glove box can be easily adapted to the different diameters or even geometries of barrels by changing the face 23.
En fonction du produit à transférer, on peut effectuer le transfert sous atmosphère inerte. Depending on the product to be transferred, the transfer can be carried out under an inert atmosphere.

Claims

REVENDICATIONS
1. Installation de vidange de fûts équipés d'une double sache interne constituée d'une sache extérieure et une sache intérieure contenant des produits pulvérulents, caractérisée par le fait qu'elle comprend une boîte à gants constituée d'une cloche faite au moins partiellement d'un matériau transparent muni sur sa partie supérieure d'une ouverture pour le passage d'une canne d'aspiration équipée de moyens assurant l'étanchéité entre ladite canne et la cloche, que la partie inférieure de la cloche est munie de moyens pour venir se placer sur la partie supérieure d'un fût de manière étanche et des moyens permettant de maintenir les parties supérieures de deux saches après leur ouverture contre la partie inférieure de ladite cloche.1. Installation for emptying barrels equipped with an internal double bag consisting of an external bag and an internal bag containing pulverulent products, characterized in that it comprises a glove box consisting of a bell made at least partially a transparent material provided on its upper part with an opening for the passage of a suction rod equipped with means ensuring the seal between said rod and the bell, that the lower part of the bell is provided with means for come to be placed on the upper part of a barrel in a sealed manner and means making it possible to hold the upper parts of two bags after their opening against the lower part of said bell.
2. Installation selon la revendication 1, caractérisée par le fait que la partie inférieure de ladite cloche comprend une surface plane munie d'un joint plat monté sur la face inférieure pour assurer l'étanchéité avec le fût à vider, ladite surface plane est pourvue d'une ouverture annulaire formée d'un anneau de maintien muni des moyens pour maintenir la partie supérieure des saches.2. Installation according to claim 1, characterized in that the lower part of said bell comprises a flat surface provided with a flat seal mounted on the lower face to seal with the barrel to be emptied, said flat surface is provided an annular opening formed by a retaining ring provided with means for retaining the upper part of the bags.
3. Installation selon la revendication 1, caractérisée par le fait que la boîte à gants et la canne d'aspiration sont montées sur un châssis agencé pour pouvoir monter et descendre l'ensemble boîte à gants et canne d'aspiration au-dessus d'un fût à vidanger. 3. Installation according to claim 1, characterized in that the glove box and the suction rod are mounted on a frame arranged to be able to raise and lower the glove box and suction rod assembly above a barrel to drain.
4. Installation selon une des revendications 1 à 3, caractérisée par le fait que la boîte à gants est munie d'un dispositif de filtrage permettant de maintenir l'installation sous une dépression.4. Installation according to one of claims 1 to 3, characterized in that the glove box is provided with a filtering device making it possible to maintain the installation under a vacuum.
5. Installation selon la revendication 4 caractérisée par le fait que le dispositif de filtration est constitué de deux ouvertures sur la surface latérale de la cloche munies de deux tubes lisses dans lesquels un filtre est monté de manière étanche et les deux tubes sont connectés à un dispositif de circulation d'air.5. Installation according to claim 4 characterized in that the filtration device consists of two openings on the side surface of the bell provided with two smooth tubes in which a filter is mounted in sealed manner and the two tubes are connected to a air circulation device.
6. Installation selon l'une des revendications 1 à 5 caractérisée par le fait qu'elle comprend un dispositif de nettoyage de la cloche constitué d'un fût muni sur la partie supérieure d'une entrée pour le liquide de nettoyage vers un tuyau flexible muni d'un pistolet.6. Installation according to one of claims 1 to 5 characterized in that it comprises a bell cleaning device consisting of a barrel provided on the upper part with an inlet for the cleaning liquid to a flexible pipe fitted with a pistol.
7. Installation selon l'une revendications 1 à 4, caractérisée par le fait que la boîte à gants est munie d'une ouverture pour l'évacuation des déchets des saches lors du changement du fût.7. Installation according to one of claims 1 to 4, characterized in that the glove box is provided with an opening for the evacuation of waste bags when changing the barrel.
8. Procédé d'utilisation de l'installation selon l'une des revendications 1 à 7 caractérisé par les étapes suivantes : on ouvre le fût à vidanger en retirant son couvercle et on le place sous la boîte à gants, on introduit une bague d'étanchéité jetable dans la partie supérieure de la sache extérieure et on l'introduit dans l'anneau de la cloche, on ouvre la sache extérieure, on descend la boîte à gants sur le fût jusqu'à ce qu'elle soit en contact étanche avec le fût, on fixe à travers les gants la sache extérieure sur l'anneau de maintien au moyen de l'anneau d'étanchéité, on ouvre la sache intérieure et on la fixe aussi sur l'anneau de maintien, on retire les mains des gants et on procède à la vidange du fût au moyen de la canne d'aspiration, lorsque le fût est vide, on détache au moyen des gants la sache intérieure et on la laisse tomber à l'intérieur du fût avec la bague d'étanchéité, on soulève la boîte à gants sur une hauteur déterminée en maintenant la sache extérieure sur l'anneau de maintien et au moyen de deux attaches on ferme la sache sur deux endroits éloignés axiallement, on coupe la sache entre ces deux endroits, on laisse tomber la partie inférieure de la sache à 1 ' intérieur du fût la partie supérieure restant sur la boîte à gants, on éloigne le fût vide, on approche un nouveau fût et on recommence la même méthode sauf que, avant la fixation de la sache extérieure sur l'anneau de maintien, on évacue la partie restante de la sache précédente à travers l'ouverture de la boîte à gants.8. Method of using the installation according to one of claims 1 to 7 characterized by the following steps: the barrel to be emptied is opened by removing its cover and it is placed under the glove box, a ring is introduced. disposable seal in the upper part of the outer bag and introduced into the bell ring, the outer bag is opened, the glove box is lowered onto the barrel until it is in leaktight contact with the barrel, the outer bag is fixed through the gloves on the retaining ring by means of the sealing ring, the inner bag is opened and also fixed on the retaining ring, the hands are removed from the gloves and the barrel is emptied by means of the suction rod, when the barrel is empty, the inner bag is detached by means of gloves and it is dropped inside the barrel with the sealing ring, the glove box is raised to a determined height now the outer bag on the retaining ring and by means of two fasteners the bag is closed on two axially distant places, the bag is cut between these two places, the lower part of the bag is dropped inside the barrel the upper part remaining on the glove compartment , we move the empty barrel away, we approach a new barrel and we repeat the same method except that, before fixing the outer bag on the retaining ring, we evacuate the remaining part of the previous bag through the opening of the glove box.
9. Procédé selon la revendication 8 caractérisé par le fait que le transfert s'effectue sous une atmosphère d' azote. 9. Method according to claim 8 characterized in that the transfer takes place under an atmosphere of nitrogen.
EP01271308A 2000-12-19 2001-12-18 Method and installation for emptying casks Expired - Lifetime EP1351859B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE60105450.4T DE60105450T4 (en) 2000-12-19 2001-12-18 METHOD AND APPENDIX FOR EMPTYING BASKETS

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0016595 2000-12-19
FR0016595A FR2818261B1 (en) 2000-12-19 2000-12-19 DRUM DRAINING SYSTEM AND METHOD OF USING THE SAME
PCT/IB2001/002523 WO2002049920A1 (en) 2000-12-19 2001-12-18 Method and installation for emptying casks

Publications (2)

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EP1351859A1 true EP1351859A1 (en) 2003-10-15
EP1351859B1 EP1351859B1 (en) 2004-09-08

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US (1) US6843283B2 (en)
EP (1) EP1351859B1 (en)
JP (1) JP4080875B2 (en)
CN (1) CN1201974C (en)
AT (1) ATE275503T1 (en)
AU (1) AU2002222369A1 (en)
DE (2) DE60105450T4 (en)
ES (1) ES2228747T3 (en)
FR (1) FR2818261B1 (en)
WO (1) WO2002049920A1 (en)

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US20040040617A1 (en) 2004-03-04
WO2002049920A1 (en) 2002-06-27
JP2004516198A (en) 2004-06-03
JP4080875B2 (en) 2008-04-23
FR2818261A1 (en) 2002-06-21
FR2818261B1 (en) 2003-02-21
US6843283B2 (en) 2005-01-18
DE60105450T2 (en) 2005-10-13
CN1481318A (en) 2004-03-10
DE60105450D1 (en) 2004-10-14
EP1351859B1 (en) 2004-09-08
ES2228747T3 (en) 2005-04-16
ATE275503T1 (en) 2004-09-15
AU2002222369A1 (en) 2002-07-01
CN1201974C (en) 2005-05-18
DE60105450T4 (en) 2017-12-14

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