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EP2851605B1 - Gas supply device - Google Patents

Gas supply device Download PDF

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Publication number
EP2851605B1
EP2851605B1 EP14179312.5A EP14179312A EP2851605B1 EP 2851605 B1 EP2851605 B1 EP 2851605B1 EP 14179312 A EP14179312 A EP 14179312A EP 2851605 B1 EP2851605 B1 EP 2851605B1
Authority
EP
European Patent Office
Prior art keywords
bottles
connection end
valve
filling
circuit
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.)
Active
Application number
EP14179312.5A
Other languages
German (de)
French (fr)
Other versions
EP2851605A1 (en
Inventor
Antoine Frenal
Denis Muller
Didier Robert
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of EP2851605A1 publication Critical patent/EP2851605A1/en
Application granted granted Critical
Publication of EP2851605B1 publication Critical patent/EP2851605B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F17C13/08—Mounting arrangements for vessels
    • F17C13/084—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • 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
    • F17C2205/0103—Exterior arrangements
    • F17C2205/0107—Frames
    • 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
    • F17C2205/0134—Two or more vessels characterised by the presence of fluid connection between vessels
    • F17C2205/0142—Two or more vessels characterised by the presence of fluid connection between vessels bundled in parallel
    • 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
    • F17C2205/0134—Two or more vessels characterised by the presence of fluid connection between vessels
    • F17C2205/0146—Two or more vessels characterised by the presence of fluid connection between vessels with details of the manifold
    • 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
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • 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
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0332—Safety valves or pressure relief valves
    • 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
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0335—Check-valves or non-return valves
    • 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
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0338—Pressure regulators
    • 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
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/037—Quick connecting means, e.g. couplings
    • 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
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0382—Constructional details of valves, regulators
    • F17C2205/0385—Constructional details of valves, regulators in blocks or units
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04—Methods for emptying or filling
    • F17C2227/046—Methods for emptying or filling by even emptying or filling
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04—Methods for emptying or filling
    • F17C2227/048—Methods for emptying or filling by maintaining residual 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
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/025—Reducing transfer time
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/02—Mixing fluids
    • F17C2265/025—Mixing fluids different fluids

Definitions

  • the present invention relates to a device for supplying gas.
  • the invention relates more particularly to a device for supplying gas comprising a support frame housing a plurality of pressurized fluid bottles connected to a fluid circuit to ensure the withdrawal or filling of the bottles, said circuit comprising a first connection end connected to the bottles via a first isolation valve for filling and withdrawing the bottles and a second separate connection end connected to the bottles via a second isolation valve and a pressure regulator to allow the withdrawal of fluid.
  • the invention relates in particular to gas supply devices sometimes called "frames".
  • Such a device is described for example in the documents DE20103682U1 , GB2007348 A1 or DE102011014065 A1 .
  • Such devices generally use a bundle of cylinders storing gas at high pressures, for example 200 bar, 300 bar or beyond.
  • An object of the present invention is to overcome all or part of the disadvantages of the prior art noted above.
  • the device for supplying gas according to the invention is essentially characterized in that the circuit comprises, arranged in series between the pressure regulator and the second connecting end, an opening safety valve to the atmosphere when it is subjected to a pressure above a predetermined threshold.
  • the invention may also relate to any alternative device or method comprising any combination of the above or below features.
  • the gas supply device 1 illustrated in FIGS. Figures 1 to 3 conventionally comprises a frame 2 support, comprising for example a parallelepiped frame housing a plurality of bottles 3 of pressurized fluid.
  • the bottles 3 are arranged vertically (sixteen in this non-limiting example).
  • the orifices of the bottles 3 are connected to a fluid circuit 4, 5 to ensure the withdrawal or filling of the bottles 3.
  • the circuit 4, 5 comprising a first connection end 6 connected to the bottles 3 via a first isolation valve 7 to allow filling (see arrow R, figure 2 ) and racking (see arrow S, figure 2 3.
  • the circuit comprises a second end 8 of separate connection connected to the orifices of the bottles 3 via a second isolation valve 9 and a pressure regulator 10.
  • the expander 10 and the isolation valve 9 are arranged in series in this order between the bottles 3 and the second end 8 of connection.
  • the second end 8 of connection is provided to allow the withdrawal of fluid (arrow "S", cf. figure 2 ).
  • the circuit 4, 5 comprises, arranged in series between the pressure regulator 10 and the second end 8 of connection, a safety valve 11 opening to the atmosphere when it is subjected to a pressure greater than a determined threshold.
  • the valve 11 is disposed downstream of the second isolation valve 9, that is to say between the second valve 9 insulation and the second end 8.
  • this valve 11 could be arranged between the expander 10 and the second valve 9 insulation.
  • the safety valve 11 is tared for example to open a passage of gas to the atmosphere when it is subjected to a threshold pressure between 50 and 200 bar, depending on the facilities and standards commonly used in the countries concerned.
  • the safety valve 11 is of the spring type .
  • the second isolation valve 9, the expander 10 and the safety valve 11 are integrated in the same body 12 tap.
  • a valve 12 integrates the second isolation valve 9, the expander 10 and the safety valve 11.
  • the second isolation valve 9 can be actuated by a manual control member comprising a lever 16 (represents in two distinct positions at the figure 4 ).
  • the lever 16 can be replaced by any other equivalent system (for example a steering wheel or a button).
  • the second connecting end 8 may be located at the end of an outlet duct 16, for example at the end of a flexible outlet duct 16.
  • said second connecting end 8 can be offset relative to the pressure regulator 10.
  • the second end 8 of connection comprises a connection 18 for withdrawal which can thus be deported in the appropriate area of a dashboard frame, to ensure good access when connecting a hose 17 withdrawal (cf . figure 3 ).
  • the expander 10, the second isolation valve 9, the safety valve 11 and the outlet pipe 16 are not shown in FIGS. Figures 5 and 6 .
  • the bleed connection 18 can integrate a residual pressure valve ("RPV”) and a non-return valve (“NRV”). This makes it possible to limit the risk of contamination of the bottles 3 in the event of a withdrawal line pressure return (in the case, for example, of multiple frames connected in series). This also allows regular control of the device.
  • RSV residual pressure valve
  • NAV non-return valve
  • the circuit 4, 5 comprises a common collector portion and the bottles 3 are connected in parallel to the common collector portion 4 via respective terminal pipes.
  • the collecting portion 4 has the form of a closed loop.
  • the collecting portion 4 may consist of a line, the terminal lines of the bottles 3 being connected in two groups at respectively two ends of the line 4.
  • the first connecting end 6 provided with the filling connection is fluidly connected directly to the common collecting portion 4 via a transfer pipe 13 (see in particular Figures 5 and 6 ).
  • the second connecting end 8 (withdrawal end) is fluidly connected to the collecting portion 4 via a sampling pipe 19.
  • the first 6 and second 7 connection ends are respectively connected (via the transfer lines 13 and sampling lines 19) to two opposite ends of the collecting portion 4 (see in particular figure 5 at two ends of the loop 4).
  • the transfer line 13 is connected in the central portion of the common portion 4 while the sampling line 19 is connected to one end of this common portion 4.
  • the passage section of the first isolation valve 7 in the open position is preferably less than or equal to the sum of passage sections of the transfer line 13, the common collector portion 4, the one or more terminal lines and also connectors 14, 15 fluidic connection between these circuit elements.
  • the filling connection 6 and the first valve 7 are sized to receive a high flow rate and pressure (for example 450 to 500 bar and a flow coefficient Cv between 0.7 and 1).
  • This filling connection may optionally incorporate a protective member such as a residual pressure valve and / or non-return valve (RPV-NRV).
  • a protective member such as a residual pressure valve and / or non-return valve (RPV-NRV).
  • RSV-NRV residual pressure valve and / or non-return valve
  • this first end 6 may optionally also be used to withdraw fluid from the bottles 3 with a high flow rate (with or without a connected or on-board regulator).
  • a pressure gauge 26 may be provided in the circuit for measuring the pressure of the bottles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Description

La présente invention concerne un dispositif de fourniture de gaz.The present invention relates to a device for supplying gas.

L'invention concerne plus particulièrement dispositif de fourniture de gaz comprenant un cadre support abritant une pluralité de bouteilles de fluide sous pression reliées à circuit fluidique pour assurer le soutirage ou le remplissage des bouteilles, ledit circuit comprenant une première extrémité de raccordement reliée aux bouteilles via un premier clapet d'isolation pour permettre le remplissage et le soutirage des bouteilles et une seconde extrémité de raccordement distincte et reliée aux bouteilles via un second clapet d'isolation et un détendeur de pression, pour permettre le soutirage de fluide.The invention relates more particularly to a device for supplying gas comprising a support frame housing a plurality of pressurized fluid bottles connected to a fluid circuit to ensure the withdrawal or filling of the bottles, said circuit comprising a first connection end connected to the bottles via a first isolation valve for filling and withdrawing the bottles and a second separate connection end connected to the bottles via a second isolation valve and a pressure regulator to allow the withdrawal of fluid.

L'invention concerne notamment les dispositifs de fourniture de gaz appelés parfois « cadres ».The invention relates in particular to gas supply devices sometimes called "frames".

Un tel dispositif est décrit par exemple dans les documents DE20103682U1 , GB2007348 A1 ou DE102011014065 A1 .Such a device is described for example in the documents DE20103682U1 , GB2007348 A1 or DE102011014065 A1 .

De tels dispositifs utilisent généralement un faisceau de bouteilles stockant du gaz à des pressions élevées, par exemple 200 bar, 300bar ou au-delà.Such devices generally use a bundle of cylinders storing gas at high pressures, for example 200 bar, 300 bar or beyond.

Ces dispositifs doivent satisfaire à des contraintes diverses et souvent antagonistes par exemple : un circuit de remplissage des bouteilles compatible avec des débits et pression élevés et permettant des mélanges de gaz satisfaisants (en terme d'homogénéité et/ou de durée de remplissage notamment), un circuit de soutirage offrant une sécurité d'utilisation pour l'utilisateur, une ergonomie pour l'utilisateur évitant les mauvaises manipulations.These devices must satisfy various and often antagonistic constraints for example: a bottle filling circuit compatible with high flow rates and pressure and allowing satisfactory gas mixtures (in terms of homogeneity and / or filling time in particular), a racking circuit offering user safety for the user, an ergonomics for the user avoiding mishandling.

Un but de la présente invention est de pallier tout ou partie des inconvénients de l'art antérieur relevés ci-dessus.An object of the present invention is to overcome all or part of the disadvantages of the prior art noted above.

A cette fin, le dispositif de fourniture de gaz selon l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce que le circuit comporte, disposée en série entre le détendeur de pression et la second extrémité de raccordement, une soupape de sécurité à ouverture vers l'atmosphère lorsqu'elle est soumise à une pression supérieure à un seuil déterminé.For this purpose, the device for supplying gas according to the invention, moreover in accordance with the generic definition given in the preamble above, is essentially characterized in that the circuit comprises, arranged in series between the pressure regulator and the second connecting end, an opening safety valve to the atmosphere when it is subjected to a pressure above a predetermined threshold.

Par ailleurs, des modes de réalisation de l'invention peuvent comporter l'une ou plusieurs des caractéristiques suivantes :

  • la soupape de sécurité est tarée pour ouvrir un passage de gaz vers l'atmosphère lorsqu'elle est soumise à un seuil de pression compris entre 50 et 200bar,
  • au moins deux éléments parmi : le second clapet d'isolation, le détendeur et la soupape de sécurité sont intégrés dans un même corps de robinet,
  • la second extrémité de raccordement est située à l'extrémité d'une conduite de sortie, c'est-à-dire que ladite second extrémité de raccordement est déportée par rapport au détendeur de pression,
  • la seconde extrémité de raccordement comporte un raccord de sortie fixé de façon amovible à l'extrémité d'une conduite de sortie,
  • le circuit comporte une portion collectrice commune, les bouteilles sont raccordées en parallèle à la portion collectrice commune via des conduites terminales respectives,
  • la première extrémité de raccordement comporte un raccord de remplissage raccordé directement à la portion collectrice commune via une conduite de transfert et en ce que la section de passage du premier clapet d'isolation en position ouverte est inférieure ou égale à la somme de sections de passage de la conduite de transfert, de la portion collectrice commune, de la ou des conduites terminales et également des raccords fluidiques de liaison entre ces éléments de circuit,
  • la portion collectrice forme une boucle fermée ou une ligne,
  • les première et seconde extrémités de raccordement sont raccordées respectivement à deux extrémités opposées de la portion collectrice,
  • la seconde extrémité de raccordement comporte un raccord de sortie intégrant au moins l'un parmi : un clapet de pression résiduelle (« RPV »), un clapet anti-retour (« NRV »).
Furthermore, embodiments of the invention may include one or more of the following features:
  • the safety valve is calibrated to open a passage of gas to the atmosphere when it is subjected to a pressure threshold of between 50 and 200 bar,
  • at least two of: the second isolation valve, the expander and the safety valve are integrated in the same valve body,
  • the second connection end is located at the end of an outlet pipe, that is to say that said second connection end is offset relative to the pressure regulator,
  • the second connection end has an outlet connection removably attached to the end of an outlet pipe,
  • the circuit comprises a common collecting portion, the bottles are connected in parallel to the common collecting portion via respective terminal pipes,
  • the first connection end comprises a filling connection connected directly to the common header portion via a transfer line and in that the passage section of the first isolation valve in the open position is less than or equal to the sum of passage sections the transfer line, the common collecting portion, the terminal pipe (s) and also the connecting fluidic connections between these circuit elements,
  • the collecting portion forms a closed loop or a line,
  • the first and second connection ends are respectively connected to two opposite ends of the collecting portion,
  • the second connection end includes an outlet fitting incorporating at least one of: a residual pressure valve ("RPV"), a check valve ("NRV").

L'invention peut concerner également tout dispositif ou procédé alternatif comprenant toute combinaison des caractéristiques ci-dessus ou ci-dessous.The invention may also relate to any alternative device or method comprising any combination of the above or below features.

D'autres particularités et avantages apparaîtront à la lecture de la description ci-après, faite en référence aux figures dans lesquelles :

  • la figure 1 représente une vue schématique et partielle illustrant la structure d'un exemple de réalisation possible de l'invention,
  • la figure 2 représente de façon schématique et partielle d'un détail du dispositif de la figure 1 illustrant l'architecture du circuit de fluide,
  • la figure 3 représente une vue en perspective et de dessus d'un exemple de réalisation possible du dispositif selon l'invention,
  • la figure 4 représente une vue en perspective d'un détail de la figure 3 illustrant notamment un robinet du dispositif,
  • les figures 5 et 6 représentent des vues en perspective, schématique set partielles, illustrant respectivement deux exemples possibles d'architecture du circuit fluidique du dispositif selon l'invention.
Other particularities and advantages will appear on reading the following description, made with reference to the figures in which:
  • the figure 1 represents a schematic and partial view illustrating the structure of a possible embodiment of the invention,
  • the figure 2 represents schematically and partially a detail of the device of the figure 1 illustrating the architecture of the fluid circuit,
  • the figure 3 represents a view in perspective and from above of an exemplary possible embodiment of the device according to the invention,
  • the figure 4 represents a perspective view of a detail of the figure 3 illustrating in particular a valve of the device,
  • the Figures 5 and 6 are partial schematic perspective views respectively illustrating two possible examples of architecture of the fluidic circuit of the device according to the invention.

Le dispositif 1 de fourniture de gaz illustré aux figures 1 à 3 comprend classiquement un cadre 2 support, comprenant par exemple une armature parallélépipédique abritant une pluralité de bouteilles 3 de fluide sous pression.The gas supply device 1 illustrated in FIGS. Figures 1 to 3 conventionally comprises a frame 2 support, comprising for example a parallelepiped frame housing a plurality of bottles 3 of pressurized fluid.

Par exemple, les bouteilles 3 sont disposées en faisceau verticalement (seize dans cet exemple non limitatif). Les orifices des bouteilles 3 sont reliés à circuit 4, 5 fluidique pour assurer le soutirage ou le remplissage des bouteilles 3.For example, the bottles 3 are arranged vertically (sixteen in this non-limiting example). The orifices of the bottles 3 are connected to a fluid circuit 4, 5 to ensure the withdrawal or filling of the bottles 3.

Le circuit 4, 5 comprenant une première extrémité 6 de raccordement reliée aux bouteilles 3 via un premier clapet 7 d'isolation pour permettre le remplissage (cf. flèche R, figure 2) et le soutirage (cf. flèche S, figure 2) des bouteilles 3. Le circuit comprend une seconde extrémité 8 de raccordement distincte reliée aux orifices des bouteilles 3 via un second clapet 9 d'isolation et un détendeur 10 de pression.The circuit 4, 5 comprising a first connection end 6 connected to the bottles 3 via a first isolation valve 7 to allow filling (see arrow R, figure 2 ) and racking (see arrow S, figure 2 3. The circuit comprises a second end 8 of separate connection connected to the orifices of the bottles 3 via a second isolation valve 9 and a pressure regulator 10.

Comme illustré à titre d'exemple à la figure 1, le détendeur 10 et le clapet 9 d'isolation sont disposés en série dans cet ordre entre les bouteilles 3 et la seconde extrémité 8 de raccordement. Bien entendu, il est possible d'envisager de placer le second clapet 9 d'isolation en amont du détendeur 10 (c'est-à-dire entre les bouteilles 3 et le détendeur 10). La seconde extrémité 8 de raccordement est prévue pour permettre le soutirage de fluide (flèche « S », cf. figure 2).As illustrated by way of example at figure 1 , the expander 10 and the isolation valve 9 are arranged in series in this order between the bottles 3 and the second end 8 of connection. Of course, it is possible to consider placing the second isolation valve 9 upstream of the expander 10 (that is to say between the bottles 3 and the expander 10). The second end 8 of connection is provided to allow the withdrawal of fluid (arrow "S", cf. figure 2 ).

Selon une particularité avantageuse, le circuit 4, 5 comporte, disposée en série entre le détendeur 10 de pression et la second extrémité 8 de raccordement, une soupape 11 de sécurité à ouverture vers l'atmosphère lorsqu'elle est soumise à une pression supérieure à un seuil déterminé. Comme illustré, la soupape 11 est disposée en aval du second clapet 9 d'isolation, c'est-à-dire entre le second clapet 9 d'isolation et la seconde extrémité 8. Bien entendu, alternativement cette soupape 11 pourrait être disposée entre le détendeur 10 et le second clapet 9 d'isolation.According to an advantageous feature, the circuit 4, 5 comprises, arranged in series between the pressure regulator 10 and the second end 8 of connection, a safety valve 11 opening to the atmosphere when it is subjected to a pressure greater than a determined threshold. As illustrated, the valve 11 is disposed downstream of the second isolation valve 9, that is to say between the second valve 9 insulation and the second end 8. Of course, alternatively this valve 11 could be arranged between the expander 10 and the second valve 9 insulation.

La soupape 11 de sécurité est tarée par exemple pour ouvrir un passage de gaz vers l'atmosphère lorsqu'elle est soumise à un seuil de pression compris entre 50 et 200 bar, et fonction des installations et normes communément utilisées dans les pays concernés.The safety valve 11 is tared for example to open a passage of gas to the atmosphere when it is subjected to a threshold pressure between 50 and 200 bar, depending on the facilities and standards commonly used in the countries concerned.

Par exemple, la soupape 11 de sécurité est du type avec ressort. For example, the safety valve 11 is of the spring type .

De façon avantageuse, au moins deux éléments parmi : le second clapet 9 d'isolation, le détendeur 10 et la soupape 11 de sécurité sont intégrés dans un même corps 12 de robinet. Par exemple, et comme visible à la figure 4, un robinet 12 intègre le second clapet 9 d'isolation, le détendeur 10 et la soupape 11 de sécurité. De plus, le second clapet 9 d'isolation peut être actionné par un organe de commande manuel comprenant un levier 16 (représente dans deux positions distinctes à la figure 4). Bien entendu, le levier 16 peut être remplacé par tout autre système équivalent (par exemple un volant ou un bouton).Advantageously, at least two of: the second isolation valve 9, the expander 10 and the safety valve 11 are integrated in the same body 12 tap. For example, and as visible at the figure 4 a valve 12 integrates the second isolation valve 9, the expander 10 and the safety valve 11. In addition, the second isolation valve 9 can be actuated by a manual control member comprising a lever 16 (represents in two distinct positions at the figure 4 ). Of course, the lever 16 can be replaced by any other equivalent system (for example a steering wheel or a button).

Comme visible aux figures 1, 3 et 4, la seconde extrémité 8 de raccordement peut être située à l'extrémité d'une conduite 16 de sortie, par exemple à l'extrémité d une conduite 16 de sortie flexible.As visible to figures 1 , 3 and 4 the second connecting end 8 may be located at the end of an outlet duct 16, for example at the end of a flexible outlet duct 16.

C'est-à-dire que ladite seconde extrémité 8 de raccordement peut être déportée par rapport au détendeur 10 de pression. Par exemple la seconde extrémité 8 de raccordement comprend un raccord 18 de soutirage qui peut ainsi être déporté dans la zone appropriée d'un tableau de bord du cadre, pour garantir un bon accès lors de la connexion d'un flexible 17 de soutirage (cf. figure 3).That is, said second connecting end 8 can be offset relative to the pressure regulator 10. For example the second end 8 of connection comprises a connection 18 for withdrawal which can thus be deported in the appropriate area of a dashboard frame, to ensure good access when connecting a hose 17 withdrawal (cf . figure 3 ).

Par soucis de simplification, le détendeur 10, le second clapet 9 d'isolation, la soupape 11 de sécurité et la conduite 16 de sortie ne sont pas représentés aux figures 5 et 6.For the sake of simplification, the expander 10, the second isolation valve 9, the safety valve 11 and the outlet pipe 16 are not shown in FIGS. Figures 5 and 6 .

Le raccord 18 de soutirage peut intégrer un clapet de pression résiduelle (« RPV ») et un clapet anti-retour (« NRV »). Ceci permet de limiter le risque de contamination des bouteilles 3 en cas de retour de pression de ligne de soutirage (dans le cas par exemple de multiples cadres raccordés en série). Ceci permet également le contrôle régulier du dispositif.The bleed connection 18 can integrate a residual pressure valve ("RPV") and a non-return valve ("NRV"). This makes it possible to limit the risk of contamination of the bottles 3 in the event of a withdrawal line pressure return (in the case, for example, of multiple frames connected in series). This also allows regular control of the device.

Le circuit 4, 5 comporte une portion collectrice commune et les bouteilles 3 sont raccordées en parallèle à la portion 4 collectrice commune via des conduites 5 terminales respectives.The circuit 4, 5 comprises a common collector portion and the bottles 3 are connected in parallel to the common collector portion 4 via respective terminal pipes.

Dans les exemples représentés aux figures 1, 2, 3 et 5, la portion 4 collectrice a la forme d'une boucle fermée.In the examples shown in Figures 1, 2 , 3 and 5 the collecting portion 4 has the form of a closed loop.

En variante, et comme représenté à la figure 6, la portion 4 collectrice peut être constituée d'une ligne, les conduites 5 terminales des bouteilles 3 étant raccordés en deux groupes au niveau respectivement de deux extrémités de la ligne 4.Alternatively, and as shown in figure 6 , the collecting portion 4 may consist of a line, the terminal lines of the bottles 3 being connected in two groups at respectively two ends of the line 4.

Ces architectures permettent de remplir les bouteilles 3 avec des pertes de charge limitées pour maximiser l'homogénéité des mélanges de gaz après remplissage, fournir le débit nécessaire pour les applications à forte consommation de gaz et limiter le temps de mise sous vide avant remplissage ou mise en service des bouteilles.These architectures make it possible to fill the bottles 3 with limited head losses in order to maximize the homogeneity of the gas mixtures after filling, to provide the flow rate necessary for the applications with a high gas consumption and to limit the time of evacuation before filling or setting. in use of bottles.

La première extrémité 6 de raccordement munie du raccord de remplissage est reliée fluidiquement directement à la portion 4 collectrice commune via une conduite 13 de transfert (cf. notamment figures 5 et 6). La seconde extrémité 8 de raccordement (extrémité de soutirage) est reliée fluidiquement à la portion 4 collectrice via une conduite 19 de prélèvement.The first connecting end 6 provided with the filling connection is fluidly connected directly to the common collecting portion 4 via a transfer pipe 13 (see in particular Figures 5 and 6 ). The second connecting end 8 (withdrawal end) is fluidly connected to the collecting portion 4 via a sampling pipe 19.

De préférence, les première 6 et seconde 7 extrémités de raccordement sont raccordés respectivement (via les conduites de transfert 13 et de prélèvement 19) à deux extrémités opposées de la portion collectrice 4 (cf. notamment figure 5 au niveau de deux extrémités de la boucle 4). Dans le cas de l'architecture de la figure 6, la conduite de transfert 13 est raccordée dans la partie centrale de la portion 4 commune tandis que la conduite de prélèvement 19 est raccordée à une extrémité de cette portion 4 commune.Preferably, the first 6 and second 7 connection ends are respectively connected (via the transfer lines 13 and sampling lines 19) to two opposite ends of the collecting portion 4 (see in particular figure 5 at two ends of the loop 4). In the case of the architecture of the figure 6 , the transfer line 13 is connected in the central portion of the common portion 4 while the sampling line 19 is connected to one end of this common portion 4.

Cet éloignement des jonctions des portions de remplissage et de soutirage avec la portion 4 commune permet d'éviter des à-coups de pression lors du remplissage des bouteilles 3 avec un débit élevé. Ceci permet notamment d'éviter ou limiter les à-coups de pression au niveau des étanchéités et des pièces mobile du détendeur 10 et des clapets.This separation of the junctions of the filling and withdrawal portions with the common portion 4 makes it possible to avoid pressure surges during the filling of the bottles 3 with a high flow rate. This makes it possible in particular to avoid or limit pressure surges at the seals and moving parts of the expander 10 and the valves.

Classiquement les liaisons fluidiques entre les conduites 13, 4, 19, 5 utilisent des raccords 14 ,15 appropriés. En particulier, des raccords 15 satellites distribuent uniformément le débit de gaz aux bouteilles 3 qui lui sont raccordées.Conventionally the fluidic connections between the pipes 13, 4, 19, 5 use appropriate connectors 14, 15. In particular, satellite connectors uniformly distribute the gas flow to the bottles 3 connected thereto.

Ces géométries avec une portion 4 collectrice commune permettent un remplissage des bouteilles 3 homogène dans le cas de mélanges gazeux.These geometries with a common portion 4 collector allow filling of the bottles 3 homogeneous in the case of gaseous mixtures.

Selon une caractéristique avantageuse, la section de passage du premier clapet 7 d'isolation en position ouverte est de préférence inférieure ou égale à la somme de sections de passage de la conduite 13 de transfert, de la portion 4 collectrice commune, de la ou des conduites 5 terminales et également des raccords 14, 15 fluidiques de liaison entre ces éléments de circuit.According to an advantageous characteristic, the passage section of the first isolation valve 7 in the open position is preferably less than or equal to the sum of passage sections of the transfer line 13, the common collector portion 4, the one or more terminal lines and also connectors 14, 15 fluidic connection between these circuit elements.

Ceci limite les pertes de charge et le temps de remplissage des bouteilles.This limits the pressure drops and the filling time of the bottles.

Par exemple, le raccord 6 de remplissage et le premier clapet 7 sont dimensionnés pour recevoir un débit et une pression élevées (par exemple 450 à 500bar et un coefficient de débit Cv compris entre 0,7 et 1).For example, the filling connection 6 and the first valve 7 are sized to receive a high flow rate and pressure (for example 450 to 500 bar and a flow coefficient Cv between 0.7 and 1).

Ce raccord de remplissage peut intégrer éventuellement un organe de protection tel qu'un clapet de pression résiduelle et/ou clapet anti-retour (RPV-NRV). Comme évoqué ci-dessus, cette première extrémité 6 peut le cas échéant également être utilisée pour soutirer du fluide des bouteilles 3 avec un débit important (avec connexion ou non d'un détendeur rapporté ou embarqué).This filling connection may optionally incorporate a protective member such as a residual pressure valve and / or non-return valve (RPV-NRV). As mentioned above, this first end 6 may optionally also be used to withdraw fluid from the bottles 3 with a high flow rate (with or without a connected or on-board regulator).

Un manomètre 26 peut être prévu dans le circuit pour mesurer la pression des bouteilles.A pressure gauge 26 may be provided in the circuit for measuring the pressure of the bottles.

On conçoit donc aisément que, tout en étant de structure simple et peu coûteuse, le dispositif permet de résoudre tout ou partie des problèmes ou insuffisances de l'art antérieur.It is therefore easy to understand that, while being of simple and inexpensive structure, the device makes it possible to solve all or part of the problems or insufficiencies of the prior art.

Claims (9)

  1. Device for supplying gas comprising a support frame (2) housing a plurality of bottles (3) of pressurised fluid connected to a fluid circuit (4, 5) to ensure the filling of the bottles (3), said circuit (4, 5) comprising a first connection end (6) connected to the bottles (3) via a first isolation valve (7) to enable the filling of the bottles (3) and a second connection end (8), separate and connected to the bottles (3) via a second isolation valve (9) and a pressure regulator (10), to enable the filling with fluid, characterised in that the circuit (4, 5) comprises, disposed in series between the pressure regulator (10) and the second connection end (8), a safety valve (11) that opens towards the atmosphere when it is subjected to a pressure greater than a determined threshold, the safety valve (11) being tared to open a gas passage towards the atmosphere when it is subjected to a pressure threshold of between 50 and 200 bars, and in that the fluid circuit enables to also ensure the filling of the bottles (3) through the first connection end (6).
  2. Device according to claim 1, characterised in that at least two elements from among: the second isolation valve (9), the regulator (10) and the safety valve (11) are integrated in one same valve body (12).
  3. Device according to claim 1, characterised in that the second connection end (8) is situated at the end of an output duct (8), in other words, that said second connection end (8) is moved with respect to the pressure regulator (10).
  4. Device according to claim 3, characterised in that the second connection end (8) comprises an output connector (18) fixed so that it can be removed to the end of an output duct (8).
  5. Device according to any one of claims 1 to 4, characterised in that the circuit (4, 5) comprises a common collecting portion (4) and in that the bottles (3) are connected in parallel to the common collecting portion (4) via the respective terminal ducts (5).
  6. Device according to claim 5, characterised in that the first connection end (6) comprises a filling connector connected directly to the common collecting portion (4) via a transfer duct (13) and in that the passage section of the first isolation valve (7) in the open position is less than or equal to the sum of passage sections of the transfer duct (13), of the common collecting portion (4), the terminal duct(s) (5) and also the fluid connection connectors (14, 15) between these circuit elements.
  7. Device according to any one of claims 5 or 6, characterised in that the collecting portion (4) forms a closed loop or a line.
  8. Device according to any one of claims 5 to 7, characterised in that the first (6) and second (7) connection ends are connected respectively to two opposite ends of the collecting portion (4).
  9. Device according to any one of claims 1 to 8, characterised in that the second connection end (8) comprises an output connector (18) integrating at least one from among: a residual pressure valve ("RPV"), a non-return valve ("NRV").
EP14179312.5A 2013-09-19 2014-07-31 Gas supply device Active EP2851605B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1359020A FR3010766B1 (en) 2013-09-19 2013-09-19 DEVICE FOR SUPPLYING GAS

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EP2851605A1 EP2851605A1 (en) 2015-03-25
EP2851605B1 true EP2851605B1 (en) 2018-11-14

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EP3885637B1 (en) * 2020-03-26 2025-07-16 SOL S.p.A. Device for the supply of a gas having a plurality of gas vessels coupled to a manifold
EP3885636B1 (en) * 2020-03-26 2025-06-18 SOL S.p.A. Device for the supply of a gas having a plurality of gas vessels
CN111361764B (en) * 2020-04-16 2024-12-03 北京宇航推进科技有限公司 Integrated gas circuit combination system
CN115219608B (en) * 2021-04-20 2024-03-29 中国石油天然气股份有限公司 Analysis and sampling system for sour natural gas and its use method
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USD1078588S1 (en) 2021-11-16 2025-06-10 Bayotech, Inc. Frame for gas cylinders
WO2023091126A1 (en) * 2021-11-16 2023-05-25 Bayotech, Inc. Systems and methods for dispensing of gas from gas cylinders
CN114485866A (en) * 2022-01-20 2022-05-13 广东韶钢松山股份有限公司 An alarm gas calibration system

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FR3010766B1 (en) 2015-10-16
FR3010766A1 (en) 2015-03-20

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