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WO1991019132A1 - Process for recovering industrial gas bottles in a sealed pressure-resistant chamber - Google Patents

Process for recovering industrial gas bottles in a sealed pressure-resistant chamber Download PDF

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Publication number
WO1991019132A1
WO1991019132A1 PCT/FR1991/000434 FR9100434W WO9119132A1 WO 1991019132 A1 WO1991019132 A1 WO 1991019132A1 FR 9100434 W FR9100434 W FR 9100434W WO 9119132 A1 WO9119132 A1 WO 9119132A1
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WO
WIPO (PCT)
Prior art keywords
pressure
contents
resistant
jack
enclosure
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.)
Ceased
Application number
PCT/FR1991/000434
Other languages
French (fr)
Inventor
François NUGUES
Pierre Robic
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO1991019132A1 publication Critical patent/WO1991019132A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • F17C13/123—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more vessels
    • F17C2205/0149—Vessel mounted inside another one
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/05—Applications for industrial use

Definitions

  • the invention relates to the industrial sector of recovery and recycling of waste, with the primary characteristic of conditioning gas cylinders without destroying the envelope, thus allowing their possible reuse and repackaging or recycling. content, dangerous or not, without loss, without human intervention and without pollution for man and his environment.
  • T he defective compressed gas bottles are commonly destroyed in a natural environment by piercing the envelope, various mechanical destructions, or pure explosi f.
  • the method makes it possible to return the empty bottles which can be re-aggregated after the test and reintroduced (into the distribution circuit.
  • the emptying process is carried out in a closed enclosure, resistant to pressure, allowing the prior analysis of the contents in the liquid or gaseous phase before transfer for reconditioning or possible destruction.
  • the deconditioning process allows, by means of a hydraulic shear, the complete or partial fracture of the isolation valve, ensuring the emptying of the contents.
  • the method allows the possible separation of the contents, liquid or gaseous, of restoring the various elements while retaining their initial characteristics.
  • the systems for implementing the method include the means for handling gas cylinders, from the storage area to the deconditioning device, the gas analyzer, the machines for transferring contents, as well as devices for handling bottles after treatment.
  • FIG. 1 is a front view illustrating the principle of destruction of the tap by means of a hydraulic shear, authorizing the emptying of the contents in the pressure resistant enclosure.
  • Fig.2 is a longitudinal sectional view, illustrating various devices allowing the implementation of the methods.
  • Fig.1 the bottle (1) is positioned by automatic or manual means on a metal frame (2), mobile or not, fitted with a locking device in position (3) adaptable to the dimensions of the bottle (1), a hydraulic shear (4) consisting of a metal cutter (5) of suitable shape, carried by the rod (6) of a jack (7), itself secured to a stirrup (8) positioned in line with the tap isolation (9) so that by a movement of the rod (6), of the jack (7), the stirrup (8) and the trencher (5) come into contact with the flange (10) of the bottle (1 ) and on the isolation valve (9), ensuring under the effect of the actuator supply pressure (7) the deformation of the valve (9) and its fracture, allowing the flow of the content and the emptying of the bottle (1) in the pressure-resistant sealed enclosure (11).
  • a hydraulic shear (4) consisting of a metal cutter (5) of suitable shape, carried by the rod (6) of a jack (7), itself secured to a stirrup (8) positioned in line with the tap
  • Fig.2 gives by way of example, without limitation, different devices allowing the implementation of the process which is the subject of the invention as described in Fig.1.
  • the pressure-resistant sealed enclosure (11) is equipped with a quick-opening access door (12) allowing the introduction of the gas cylinder (1) installed on a carriage (2) made mobile for two rollers bearing (13) guided in two slides (14) integral with the sealed enclosure (11) resistant to pressure, said slides (14) are equipped with two adjustable stops (15), making it possible to position the gas bottle ( 1) so that the flange (10) of the gas cylinder (1) is plumb with the jack (7). Said verm (7), suspended in the upper part by crank pins (16), is articulated in a yoke (17) integral with the full flange (10).
  • Said flange is bolted to the counter flange (19), sealing is ensured by an interposed seal, device which allows the disassembly of the cylinder assembly (7), the supply pipes (20) and (21), flexible or rigid, and its stirrup (8).
  • Said stirrup (8) integral with the cylinder body (7), articulated at three points, facilitates the introduction of the gas bottle (1), it is locked in position by the pin (22).
  • a low pressure pressostat (24) authorizes the operation of the jack (7), ensuring the operations of emptying as described in Fig. 1.
  • the gas bottle (1) After emptying and decompressing the sealed enclosure (11) under pressure, by appropriate means and opening the access door (12), the gas bottle (1) can be recovered for reconditioning, re-testing, rehabilitation or destruction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

Process for recovering industrial gas bottles in a pressure-resistant sealed enclosure by destroying the shut-off valve to empty them completely, recovering the contents and cleaning the bottle for re-use, and automatic or non-automatic devices for implementing said process. The invention relates to the industrial waste recovery and re-use sector, the process according to the invention being innovative in that industrial gas bottles are emptied in the sealed pressure-resistant chamber (11) by means of outside-operated hydraulic shears (4), causing the shut-off valve (9) to rupture by deformation, thereby enabling the contents to be drained off and analyzed before transfer for re-use or destruction, and the bottle (1) to be processed for re-use or destruction.

Description

PROCEDE DE DECONDITIONNEMENT DE BOUTEILLES DE GAZ INDUSTRIEL DANS UNE ENCEINTE ETANCHE RESISTANTE A LA PRESSION  PROCESS FOR UNCONDITIONING INDUSTRIAL GAS BOTTLES IN A PRESSURE-RESISTANT WATERPROOF ENCLOSURE

L' invention se rattache au secteur industriel de la récupération et revalorisation des déchets, avec comm e caract éristique première le de conditionnem ent des bouteilles de gaz sans destruction de l' enveloppe, permettant ainsi leur réemploi éventuel et le r éconditionnement ou le recyclage. des contenus, dangereux ou non, sans pertes, sans intorvention humaine et sans pollution pour l' homme et son environnem ent. The invention relates to the industrial sector of recovery and recycling of waste, with the primary characteristic of conditioning gas cylinders without destroying the envelope, thus allowing their possible reuse and repackaging or recycling. content, dangerous or not, without loss, without human intervention and without pollution for man and his environment.

A ce ti tre il y a lieu de rappeler, d' une part, que les bouteilles de ga z comprimés ont souvent un contenu non identifiable parce que mises au rebut et stockées depuis fort longtemps, de ce fait, le détenteur en a oublié le contenu, d' autre part le robinet d' isolement peut être bloque, rendant ainsi impossible son éventuelle réutilisation industrielle ou sa destruc tion.  On this point it should be remembered, on the one hand, that the bottles of compressed tablets often have an unidentifiable content because they have been discarded and stored for a very long time, therefore the holder has forgotten the contents, on the other hand the isolation valve can be blocked, making it impossible its possible industrial re-use or its destruction.

L es bouteil les de gaz comprime défectueuses sont couram ment détruites en milieu naturel par percage de l'enveloppe, destructions mécaniques di verses, ou pur explosi f .  T he defective compressed gas bottles are commonly destroyed in a natural environment by piercing the envelope, various mechanical destructions, or pure explosi f.

Ces méthodes peu onéreuses sont dangereuses pour l' homme et son environnement, puisque ef fectuées sans analyse préa lable en libérant dans l' atmosphère, des gaz éventuel lement nocif s, ou pouvant le devenir par combustion ou par dogradution.  These inexpensive methods are dangerous for man and his environment, since they are carried out without prior analysis by releasing into the atmosphere gases which may be slightly harmful, or which can become so by combustion or by dogradution.

D' autres méthodes ont ete étudiées qui consistent a per cer l' enveloppe des bouteilles de gaz comprimé dans des conteneurs étanches, en vue d' un traitement ultérieur, avec possibilité d' analyse ou non. Toutes ces méthodes détruisent l' mtegrite de la bouteille la rendant ainsi inutilidable après traitement. Selon une autre caractéristique de l'invention le procédé permet de restituer les bouteilles vides pouvant être récunditionnées après épreuve et réintroduites (dans le circuit de la distribution. Other methods have been studied which consist in piercing the envelope of compressed gas cylinders in airtight containers, with a view to subsequent treatment, with or without the possibility of analysis. All these methods destroy the integrity of the bottle, making it useless after treatment. According to another characteristic of the invention, the method makes it possible to return the empty bottles which can be re-aggregated after the test and reintroduced (into the distribution circuit.

Selon une autre caractéristique de l'invention le procède de vidage s'effectue sous enceinte fermée, résistante à la pression, permettant l'analyse préalable des contenus en phase liquide ou gazeuse avant transfert pour réconditionnernent ou destruction éventuelle.  According to another characteristic of the invention, the emptying process is carried out in a closed enclosure, resistant to pressure, allowing the prior analysis of the contents in the liquid or gaseous phase before transfer for reconditioning or possible destruction.

Selon une autre caractéristique de l'invention le procède de deconditionnement permet, au moyen d' une cisaille hydraulique, la fracture complète ou partielle du robinet d'isolement, assurant le vidage des contenus.  According to another characteristic of the invention, the deconditioning process allows, by means of a hydraulic shear, the complete or partial fracture of the isolation valve, ensuring the emptying of the contents.

Selon une autre caractéristique de l'invention le procédé autorise la séparation éventuelle des contenus, liquides ou gazeux, d' en restituer les différents éléments tout en leur conservant les caractéristiques initiales.  According to another characteristic of the invention, the method allows the possible separation of the contents, liquid or gaseous, of restoring the various elements while retaining their initial characteristics.

Selon une autre caractéristique de l'invention les systèmes pour la mise en oeuvre du procédé comprennent les moyens de manutention des bouteilles de gaz, depuis la zone de stockage jusqu' au dispositif de deconditionnement, l'analyseur de gaz, les machines de transfert des contenus, ainsi que des dispositifs de manutention des bouteilles après traitement.  According to another characteristic of the invention, the systems for implementing the method include the means for handling gas cylinders, from the storage area to the deconditioning device, the gas analyzer, the machines for transferring contents, as well as devices for handling bottles after treatment.

Pour bien fixer l'objet de l'invention sans toutefois le limiter aux figures des dessins ou la Fig.1 est une vue de face illustrant le principe de destruction du robinet au moyen d'une cisaille hydraulique, autorisant le vidage des contenus dans l'enceinte résistante a la pression.  To properly fix the object of the invention without however limiting it to the figures of the drawings or Fig.1 is a front view illustrating the principle of destruction of the tap by means of a hydraulic shear, authorizing the emptying of the contents in the pressure resistant enclosure.

La Fig.2 est une vue en coupe longitudinale, illustrant des différents dispositifs permettant la mise en oeuvre des procédés.  Fig.2 is a longitudinal sectional view, illustrating various devices allowing the implementation of the methods.

Afin de rendre plus concret l'objet de l'invention on le décrit maintenant d' une manière non limitative, illustrée aux figures des dessins, et l'on insérera le procède selon l'invention. Fig.1 la bouteille (1) est positionnée par des moyens automatiques ou manuels sur un châssis métallique (2), mobile ou non, équipe d'un dispositif de blocage en position (3) adaptable aux dimensions de la bouteille (1), une cisaille hydraulique (4) constituée d'un tranchet métallique (5) de forme adaptée, portée par la tige (6) d'un vérin (7), luimême solidaire d'un étrier (8) positionné au droit du robinet d'isolement (9) de telle sorte que par un mouvement de la tige (6), du vérin (7), l'étrier (8) et le tranchet (5) viennent au contact de la collerette (10) de la bouteille (1) et sur le robinet d'isolement (9), assurant sous l'effet de la pression d'alimentation du vérin (7) la déformation du robinet (9) et sa fracture, autorisant l'écoulement du contenu et le vidage de la bouteille (1) dans l'enceinte étanche (11) résistante a la pression . In order to make the object of the invention more concrete, it is now described in a nonlimiting manner, illustrated in the figures of the drawings, and the method according to the invention will be inserted. Fig.1 the bottle (1) is positioned by automatic or manual means on a metal frame (2), mobile or not, fitted with a locking device in position (3) adaptable to the dimensions of the bottle (1), a hydraulic shear (4) consisting of a metal cutter (5) of suitable shape, carried by the rod (6) of a jack (7), itself secured to a stirrup (8) positioned in line with the tap isolation (9) so that by a movement of the rod (6), of the jack (7), the stirrup (8) and the trencher (5) come into contact with the flange (10) of the bottle (1 ) and on the isolation valve (9), ensuring under the effect of the actuator supply pressure (7) the deformation of the valve (9) and its fracture, allowing the flow of the content and the emptying of the bottle (1) in the pressure-resistant sealed enclosure (11).

L'une des caractéristiques selon l'invention réside dans le fait que lors des opérations de fracture du robinet (9), les efforts développés par le vérin sont repris par l'étrier (8), solidaire du vérin (7), sans affecter la structure de l'enceinte étanche (11) résistante à la pression. La fig.2 donne a titre d'exemple, non limitatif, des différents dispositifs permettant la mise en oeuvre du procédé objet de l'invention tel que décrite Fig.1.  One of the characteristics according to the invention resides in the fact that during the operations of fracturing the tap (9), the forces developed by the jack are taken up by the stirrup (8), integral with the jack (7), without affecting the structure of the pressure-resistant sealed enclosure (11). Fig.2 gives by way of example, without limitation, different devices allowing the implementation of the process which is the subject of the invention as described in Fig.1.

L'enceinte étanche (11) résistante à la pression est équipée d'une porte d'accès à ouverture rapide (12) autorisant l' introduction de la bouteille de gaz (1) installée sur un chariot (2) rendu mobile pur deux galets de roulement (13) guidés dans deux glissières (14) solidaires de l'enceinte étanche (11) résistante à la pression, les dites glissières (14) sont équipées de deux butées (15) réglables, permettant de positionner la bouteille de gaz (1) de telle sorte que la collerette (10) de la bouteille de gaz (1) se trouve à l'aplomb du vérin (7). Le dit verm (7), suspendu en partie supérieure par manetons (16), est articule dans une chape (17) solidaire de la bride pleine (10). La dite bride est boulonnée sur l a contre-bride (19), l'étanchéite est assurée par un joint intercalé, dispositif qui autorise le démontage de l'ensemble vérin (7), les tubulures d'alimentation (20) et (21), flexibles ou rigides, et son étrier (8). The pressure-resistant sealed enclosure (11) is equipped with a quick-opening access door (12) allowing the introduction of the gas cylinder (1) installed on a carriage (2) made mobile for two rollers bearing (13) guided in two slides (14) integral with the sealed enclosure (11) resistant to pressure, said slides (14) are equipped with two adjustable stops (15), making it possible to position the gas bottle ( 1) so that the flange (10) of the gas cylinder (1) is plumb with the jack (7). Said verm (7), suspended in the upper part by crank pins (16), is articulated in a yoke (17) integral with the full flange (10). Said flange is bolted to the counter flange (19), sealing is ensured by an interposed seal, device which allows the disassembly of the cylinder assembly (7), the supply pipes (20) and (21), flexible or rigid, and its stirrup (8).

Le dit étrier (8), solidaire du corps du vérin (7), ar ticulé en trois points, facilite l'introduction de la bouteille de gaz (1), il est verrouillé en position par l'axe (22).  Said stirrup (8), integral with the cylinder body (7), articulated at three points, facilitates the introduction of the gas bottle (1), it is locked in position by the pin (22).

Après fermeture de la porte d' accès (12) et vérification de l'étanchéite de l'enceinte, par injection d'un gaz convenable, un pressostat basse pression (24) autorise le fonctionnement du vérin (7), assurant les opérations de vidage telles que décrites Fig. 1.  After closing the access door (12) and checking the tightness of the enclosure, by injection of a suitable gas, a low pressure pressostat (24) authorizes the operation of the jack (7), ensuring the operations of emptying as described in Fig. 1.

Suivant les indications d'un manomètre (25), une analyse des contenus est effectuée au travers des orifices (2G) et (27), après contrôle, ils sont transférés, au travers des tubulures (28) et (29), dans des conteneurs spécialement affectés.  According to the indications of a pressure gauge (25), an analysis of the contents is carried out through the orifices (2G) and (27), after control, they are transferred, through the pipes (28) and (29), into specially affected containers.

Après vidage et décompression de l'enceinte étanche (11) a la pression, par des moyens appropriés et ouverture de la porte d'accès (12), la bouteille de gaz (1) peut être récupérée pour remise en état, reépreuve, réhabilitation ou destruction.  After emptying and decompressing the sealed enclosure (11) under pressure, by appropriate means and opening the access door (12), the gas bottle (1) can be recovered for reconditioning, re-testing, rehabilitation or destruction.

ll est bien évident que, sans pour autant sortir du contexte inventif, décrit selon le procède de dëconditionne ment , d'autres modifications peuvent être apportées en vue d'une même opération.  lt is obvious that, without departing from the inventive context described according to the unconditioning process, other modifications can be made for the same operation.

L'invention ne se limite aucunement à celui de ces modes d'application non plus qu'a ceux des modes de réalisation de ses diverses parties ayant été plus spécialement indiquées, elle embrasse toutes les. variantes.  The invention is in no way limited to that of these modes of application any more than to those of the embodiments of its various parts having been more particularly indicated, it embraces all of them. variants.

Claims

REVENDI CA T I ONS  REVENDI CA T I ONS -1 - Procédé de deconditionnement de bouteilles de gaz industriel sous enceinte étanche (1) résistante à la pression, comprenant les différentes phases de vidage, d'analyse, la récupération des contenus pour destruction éventuelle, en vue de restituer les bouteilles vides pouvant être, après épreuve, reintroduites dans le circuit de la distribution. Le dit procédé étant caractérisé en ce que, après mise en place de la bouteille de gaz (1) sur un chariot (2) rendu mobile par deux galets de roulement (13) guidés dans deux glissières (14) équipées de butées de positionnement (15) dans une enceinte étanche (11) résistante a la pression, dont l'étanchéité, après fermeture de la porte d'accès (12) est vérifiée par injection par l a tubulure (30) d'un gaz convenable, on procédé à la fracture partielle ou totale du robinet d'isolement (9), au moyen d'une cisaille hydraulique (4), constituée d'un tranchet (5), métallique ou non, de forme adaptée, porté par la tige (6) d'un vérin (7). Le dit vérin (7) solidaire d'un étrier (8), est positionné de telle sorte que, par un mouvement de la tige (6) du vérin (7) ou des deux à la fois, l'étrier (8) et le tranchet (5) viennent respectivement en appui sur la collerette (10) de la bouteille (1), et sur le robinet d'isolement (9). Le dit robinet (9), sous l'effet de la pression développée par le vérin (7) est déforme, puis fracturé, autorisant le transfert des contenus dans l'enceinte étanche (11) résistante a la pression. Les dits contenus ainsi libérés, sont prélevés pour analyse au moyen de prises d'échantillon (26) et (27), puis transférés au travers des tubulures (28) et (29) pair des moyens appropriés, recondi tienne pour traitement éventuel ou destruction. -1 - Process for unconditioning industrial gas cylinders in a sealed pressure-resistant enclosure (1), comprising the various emptying and analysis phases, the recovery of contents for possible destruction, with a view to returning the empty cylinders which can be , after trial, reintroduced into the distribution circuit. Said method being characterized in that, after placing the gas cylinder (1) on a carriage (2) made mobile by two rolling rollers (13) guided in two slides (14) equipped with positioning stops ( 15) in a sealed enclosure (11) resistant to pressure, the tightness of which, after closing the access door (12) is checked by injection by the pipe (30) of a suitable gas, the process is carried out partial or total fracture of the isolation valve (9), by means of a hydraulic shear (4), consisting of a cutter (5), metallic or not, of suitable shape, carried by the rod (6) of a jack (7). Said jack (7) integral with a stirrup (8), is positioned so that, by a movement of the rod (6) of the jack (7) or both, the stirrup (8) and the trench (5) respectively come to bear on the flange (10) of the bottle (1), and on the isolation valve (9). Said tap (9), under the effect of the pressure developed by the jack (7) is deformed, then fractured, allowing the transfer of the contents in the sealed enclosure (11) resistant to pressure. The said contents thus freed, are taken for analysis by means of sample takings (26) and (27), then transferred through the tubes (28) and (29) by appropriate means, renewed for possible treatment or destruction. . -2- Procédé de déconditionnement suivant la revendication 1, caractérise en ce que la cisaille hydraulique (4), constituée des dispositifs (6), (7) et (8), autorise l a déformation du robinet d'isolement (9) et sa fracture sans altérer l'enveloppe de la bouteille de gaz (1). -3- Procédé de deconditionnement suivant la revendication 1, caractérisé en ce que la cisaille hydraulique (4), constituée des dispositifs (6), (7) et (8) autorisant la déformation et la fracture du robinet (9), est suspendue dans l'enceinte étanche (11) résistante a la pression par manetons (16) et chapes (17) associes. -2- Deconditioning method according to claim 1, characterized in that the hydraulic shears (4), consisting of devices (6), (7) and (8), allows the deformation of the isolation valve (9) and its fracture without altering the envelope of the gas cylinder (1). -3- Unconditioning method according to claim 1, characterized in that the hydraulic shears (4), consisting of devices (6), (7) and (8) allowing the deformation and fracture of the valve (9), is suspended in the sealed enclosure (11) resistant to pressure by crank pins (16) and associated yokes (17). -4- Procédé de deconditionnement suivant la revendication 1, caractérisé en ce que le vérin (7), alimenté en fluide moteur par les tubulures (20) et (21) traversant la bride pleine (18), peut être manoeuvré de l'extérieur de l'enceinte étanche (11) résistante à la pression. -4- Unconditioning method according to claim 1, characterized in that the cylinder (7), supplied with working fluid by the pipes (20) and (21) passing through the full flange (18), can be operated from the outside of the pressure-resistant sealed enclosure (11). -5- Procédé de deconditionnement suivant la revendication 1, caractérise en ce que l'on procède au moyen des tubulures (26) et (27) a l'échantillonnage des contenus pour analyse avant transfert. -5- Unpacking method according to claim 1, characterized in that one proceeds by means of the pipes (26) and (27) to the sampling of the contents for analysis before transfer. -6- Procédé de déconditionnement suivant la revendication 5 caractérisé en ce que l'on procède au travers des tubulures (28) et (29) a la reprise des contenus, en phase liquide ou gazeuse, en conservant leurs caractéristiques initiales. -7- Procédé de déconditionnement suivant la revendication 1 caractérisé en ce que l'on procède, après fermeture de la porte d'accès (12), a la vérification de l'étanchéité de l'enceinte. -6- Unpacking method according to claim 5 characterized in that one proceeds through the tubes (28) and (29) to the recovery of the contents, in liquid or gas phase, retaining their original characteristics. -7- Unpacking method according to claim 1 characterized in that one proceeds, after closing the access door (12), to check the tightness of the enclosure. -8- Procédé de déconditionnement suivant la revendication 4 caractérisé en ce que l'alimentation du vérin (7), au travers des tubulures (20) et (21), ne peut être actionnée que sur indication du pressostat (24). -8- A method of unconditioning according to claim 4 characterized in that the supply of the jack (7), through the pipes (20) and (21), can be actuated only on indication of the pressure switch (24).
PCT/FR1991/000434 1990-06-01 1991-05-30 Process for recovering industrial gas bottles in a sealed pressure-resistant chamber Ceased WO1991019132A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR90/06858 1990-06-01
FR9006858A FR2662780B1 (en) 1990-06-01 1990-06-01 PROCESS FOR UNCONDITIONING INDUSTRIAL GAS BOTTLES UNDER PRESSURE-RESISTANT TIGHT ENCLOSURE BY DESTRUCTION OF THE ISOLATION TAP.

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WO1991019132A1 true WO1991019132A1 (en) 1991-12-12

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WO (1) WO1991019132A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2686143A1 (en) * 1992-01-13 1993-07-16 Butagaz Method for repairing the body of used gas cylinders (bottles) including gas release beforehand, and gas release station for such cylinders
EP1593409A1 (en) * 2004-05-06 2005-11-09 L. Fenton Ronald Method for reconditioning propane cylinders

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055883A (en) * 1976-07-26 1977-11-01 Grenci Carl A Method and apparatus for removing collars from compressed gas cylinders
FR2565664A1 (en) * 1984-06-07 1985-12-13 Air Liquide Confinement and intervention enclosure for transporting and emptying bottles containing toxic and/or corrosive gases and exhibiting a leak or a fault in the valve operation
EP0233311A1 (en) * 1985-12-28 1987-08-26 Engert & Söhne Tool for disconnecting a pipe joint of two pipes inserted into one another
US4690180A (en) * 1984-11-08 1987-09-01 Integrated Environmental Services Cylinder rupture vessel
FR2643837A1 (en) * 1989-03-06 1990-09-07 Robic Pierre METHOD FOR DRILLING DESTRUCTION OF AEROSOL BOXES, IN ORDER TO RETRIEVE MIXED CONTENT, GAS AND LIQUIDS, AND TO SEPARATE THEM, FOR TREATMENT, REUSE OR DESTRUCTION, AS WELL AS THE AUTOMATIC DRILLING MACHINE

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055883A (en) * 1976-07-26 1977-11-01 Grenci Carl A Method and apparatus for removing collars from compressed gas cylinders
FR2565664A1 (en) * 1984-06-07 1985-12-13 Air Liquide Confinement and intervention enclosure for transporting and emptying bottles containing toxic and/or corrosive gases and exhibiting a leak or a fault in the valve operation
US4690180A (en) * 1984-11-08 1987-09-01 Integrated Environmental Services Cylinder rupture vessel
EP0233311A1 (en) * 1985-12-28 1987-08-26 Engert & Söhne Tool for disconnecting a pipe joint of two pipes inserted into one another
FR2643837A1 (en) * 1989-03-06 1990-09-07 Robic Pierre METHOD FOR DRILLING DESTRUCTION OF AEROSOL BOXES, IN ORDER TO RETRIEVE MIXED CONTENT, GAS AND LIQUIDS, AND TO SEPARATE THEM, FOR TREATMENT, REUSE OR DESTRUCTION, AS WELL AS THE AUTOMATIC DRILLING MACHINE

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FR2662780A1 (en) 1991-12-06
FR2662780B1 (en) 1995-08-11

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