FR2955372A1 - METHOD AND INSTALLATION FOR FILLING GAS BOTTLES - Google Patents
METHOD AND INSTALLATION FOR FILLING GAS BOTTLES Download PDFInfo
- Publication number
- FR2955372A1 FR2955372A1 FR1050343A FR1050343A FR2955372A1 FR 2955372 A1 FR2955372 A1 FR 2955372A1 FR 1050343 A FR1050343 A FR 1050343A FR 1050343 A FR1050343 A FR 1050343A FR 2955372 A1 FR2955372 A1 FR 2955372A1
- Authority
- FR
- France
- Prior art keywords
- gas
- filling
- buffer capacity
- ramp
- pressure
- 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
Links
- 238000009434 installation Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 103
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000003750 conditioning effect Effects 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003570 air Substances 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 2
- DGLFSNZWRYADFC-UHFFFAOYSA-N chembl2334586 Chemical compound C1CCC2=CN=C(N)N=C2C2=C1NC1=CC=C(C#CC(C)(O)C)C=C12 DGLFSNZWRYADFC-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- CYJRNFFLTBEQSQ-UHFFFAOYSA-N 8-(3-methyl-1-benzothiophen-5-yl)-N-(4-methylsulfonylpyridin-3-yl)quinoxalin-6-amine Chemical compound CS(=O)(=O)C1=C(C=NC=C1)NC=1C=C2N=CC=NC2=C(C=1)C=1C=CC2=C(C(=CS2)C)C=1 CYJRNFFLTBEQSQ-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- 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
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- 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
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
-
- 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
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
-
- 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
- F17C2205/03—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
- F17C2205/0326—Valves electrically actuated
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/011—Oxygen
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/031—Air
-
- 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
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
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- 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
- F17C2223/033—Small pressure, e.g. for liquefied gas
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- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
- F17C2223/042—Localisation of the removal point
- F17C2223/043—Localisation of the removal point in the gas
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- 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
- F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
- F17C2223/042—Localisation of the removal point
- F17C2223/043—Localisation of the removal point in the gas
- F17C2223/045—Localisation of the removal point in the gas with a dip tube
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- 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
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- 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
- F17C2225/036—Very high pressure, i.e. above 80 bars
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- 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
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
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- 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
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0302—Heat exchange with the fluid by heating
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- 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
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0388—Localisation of heat exchange separate
- F17C2227/0393—Localisation of heat exchange separate using a vaporiser
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- 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
- F17C2227/043—Methods for emptying or filling by pressure cascade
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- 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
- F17C2250/01—Intermediate tanks
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- 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
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- 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
- F17C2270/02—Applications for medical applications
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- 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
- F17C2270/02—Applications for medical applications
- F17C2270/025—Breathing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
L'invention porte sur une installation de conditionnement de gaz, notamment d'oxygène ou d'air médical, comprenant au moins une capacité-tampon (1) contenant un gaz sous pression ; une rampe (3) de remplissage de récipients (4) de gaz ; une canalisation d'alimentation (2) en gaz reliant fluidiquement la capacité-tampon (1) à ladite au moins une rampe (3) de remplissage ; et une vanne de remplissage (5) agencée sur la canalisation d'alimentation (2). Elle comprend en outre une vanne de contrôle (8) agencée sur la canalisation d'alimentation (2), entre la vanne de remplissage (5) et ladite au moins une rampe (3) de remplissage ; une canalisation de bipasse (10) reliée fluidiquement à la canalisation (2), en amont et aval de la vanne de contrôle (8), en considérant le sens de circulation du gaz depuis la capacité tampon (1) vers ladite au moins une rampe (3) ; et un dispositif anti-retour (9) de gaz agencé sur la canalisation de bipasse (10) autorisant le passage du gaz uniquement en direction de ladite au moins une rampe (3). Procédé de remplissage associé.The invention relates to a gas conditioning installation, in particular oxygen or medical air, comprising at least one buffer capacity (1) containing a gas under pressure; a ramp (3) for filling gas containers (4); a gas supply pipe (2) fluidly connecting the buffer capacity (1) to the at least one filling ramp (3); and a filling valve (5) arranged on the supply line (2). It further comprises a control valve (8) arranged on the supply line (2), between the filling valve (5) and said at least one filling ramp (3); a bypass duct (10) fluidly connected to the pipe (2), upstream and downstream of the control valve (8), considering the flow direction of the gas from the buffer capacity (1) to the at least one ramp (3); and a non-return gas device (9) arranged on the bypass line (10) allowing the passage of gas only in the direction of said at least one ramp (3). Associated filling method.
Description
La présente invention concerne le domaine du remplissage des bouteilles de gaz, en particulier d'oxygène et d'air médical. Actuellement, dans les centres de conditionnement, le remplissage des bouteilles de gaz 4 est généralement réalisé par cycles de remplissage successifs au moyen d'une (ou plusieurs) rampe(s) 3 de conditionnement alimentant chacune plusieurs bouteilles en gaz 4 sous pression, comme illustré en Figure 1. Chaque rampe 3 est elle-même alimentée par du gaz sous pression provenant d'une capacité tampon 1, c'est-à-dire un réservoir de stockage de gaz. Au démarrage d'un cycle de conditionnement, la capacité tampon 1 est pleine de gaz à une pression maximale initiale, par exemple une pression de 240 bar. La capacité tampon 1 est reliée fluidiquement par une conduite 2 d'alimentation en gaz à la rampe de conditionnement 3, ladite conduite 2 étant équipée d'une vanne 5 de contrôle, couramment appelée vanne de remplissage ou vanne d'isolement, servant à contrôler, c'est-à-dire autoriser ou interrompre, l'envoi de gaz de la capacité tampon 1 vers la rampe 3 et donc les bouteilles 4 à remplir. Dès que la vanne de remplissage 5 s'ouvre, le gaz contenu dans la capacité tampon 1 est acheminé par la conduite ou canalisation de gaz 2 jusqu'à la rampe 3 et y est utilisé pour pré-remplir les bouteilles de gaz 4. La pression chute alors dans la capacité tampon 1 jusqu'à obtenir un équilibre de pression avec les bouteilles 4, c'est-à-dire jusqu'à obtenir une pression d'équilibrage égale dans la capacité tampon 1 et dans les bouteilles 4, ainsi que dans la conduite d'alimentation 2. Cette pression d'équilibrage est inférieure à la pression maximale de départ, par exemple une pression de 110 bar. Ensuite, une pompe cryogénique 6 alimentée par une source de gaz extérieure 7, tel un réservoir de stockage, une canalisation d'amenée de gaz ou un réseau de canalisations, prend le relais et finit le remplissage des bouteilles 4 et le re-remplissage de la capacité tampon 1, en même temps, jusqu'à obtenir la pression souhaitée dans les bouteilles 4 et dans la capacité 1, c'est-à-dire par exemple la pression maximale initiale de 240 bar. En d'autres termes, la pompe cryogénique 6 envoie simultanément du gaz sous 30 pression, éventuellement réchauffé dans un réchauffeur 16 atmosphérique ou analogue, à la capacité tampon 1 et aux bouteilles 4 de la rampe 3 de manière à les remplir concomitamment. Une fois les bouteilles 4 et la capacité 1 remplies, les bouteilles pleines sont retirées de la rampe 3 de conditionnement et remplacées par des bouteilles vides devant être remplies. The present invention relates to the field of filling gas cylinders, in particular oxygen and medical air. Currently, in the packing centers, the filling of the gas bottles 4 is generally carried out by successive filling cycles by means of one (or more) packing ramp (s) 3 each supplying several pressurized gas bottles 4, such as illustrated in Figure 1. Each ramp 3 is itself fed with pressurized gas from a buffer capacity 1, that is to say a gas storage tank. At the start of a conditioning cycle, the buffer capacity 1 is full of gas at an initial maximum pressure, for example a pressure of 240 bar. The buffer capacity 1 is connected fluidically by a gas supply pipe 2 to the conditioning ramp 3, said pipe 2 being equipped with a control valve 5, commonly called filling valve or isolation valve, serving to control , that is to say, allow or interrupt, sending gas from the buffer capacity 1 to the ramp 3 and therefore the bottles 4 to fill. As soon as the filling valve 5 opens, the gas contained in the buffer capacity 1 is conveyed by the pipe or gas pipe 2 to the ramp 3 and is used to pre-fill the gas cylinders 4. The pressure then falls in the buffer capacity 1 until a pressure equilibrium is obtained with the bottles 4, that is to say until an equal equilibration pressure is obtained in the buffer capacity 1 and in the bottles 4, as well as only in the supply line 2. This balancing pressure is lower than the maximum starting pressure, for example a pressure of 110 bar. Then, a cryogenic pump 6 fed by an external gas source 7, such as a storage tank, a gas supply pipe or a network of pipes, takes over and finishes filling the bottles 4 and refilling the tank. the buffer capacity 1, at the same time, until the desired pressure is obtained in the bottles 4 and in the capacity 1, that is to say for example the initial maximum pressure of 240 bar. In other words, the cryogenic pump 6 simultaneously sends pressurized gas, possibly heated in an atmospheric heater 16 or the like, to the buffer capacity 1 and the bottles 4 of the ramp 3 so as to fill them concomitantly. Once the bottles 4 and the capacity 1 filled, the full bottles are removed from the packaging ramp 3 and replaced by empty bottles to be filled.
Cependant, cette manière de procéder pose un problème de perte de temps du fait de l'obligation de réaliser un remplissage simultané de la capacité tampon 1 et des bouteilles 4 de la rampe car il est nécessaire d'attendre un remplissage total des bouteilles et de la capacité tampon avant de procéder au remplacement des bouteilles pleines par des bouteilles vides à remplir. Dit autrement, le problème à résoudre est de pouvoir améliorer l'efficacité de conditionnement des bouteilles de gaz en proposant un procédé et une installation permettant de réaliser un remplissage plus rapide des bouteilles et de la capacité tampon. La solution proposée par la présente invention concerne une installation de conditionnement de gaz comprenant au moins une capacité-tampon contenant un gaz sous pression, une rampe de remplissage de récipients de gaz, une canalisation d'alimentation en gaz reliant fluidiquement la capacité-tampon à ladite au moins une rampe de remplissage, et une vanne de remplissage agencée sur la canalisation d'alimentation, caractérisée en ce qu'elle comprend en outre une vanne de contrôle agencée sur la canalisation d'alimentation, entre la vanne de remplissage et ladite au moins une rampe de remplissage ; une canalisation de bipasse reliée fluidiquement à la canalisation, en amont et aval de la vanne de contrôle, en considérant le sens de circulation du gaz depuis la capacité tampon vers ladite au moins une rampe ; et un dispositif anti-retour de gaz agencé sur la canalisation de bipasse autorisant le passage du gaz uniquement en direction de ladite au moins une rampe. However, this way of proceeding poses a problem of waste of time because of the obligation to perform a simultaneous filling of the buffer capacity 1 and bottles 4 of the ramp because it is necessary to wait for a full filling of the bottles and the buffer capacity before proceeding to replace the full bottles with empty bottles to be filled. In other words, the problem to be solved is to be able to improve the conditioning efficiency of the gas cylinders by proposing a method and an installation allowing a faster filling of the bottles and the buffer capacity. The solution proposed by the present invention relates to a gas conditioning installation comprising at least one buffer tank containing a gas under pressure, a gas container filling ramp, a gas supply pipe connecting fluidically the buffer capacity to said at least one filling ramp, and a filling valve arranged on the supply pipe, characterized in that it further comprises a control valve arranged on the supply pipe, between the filling valve and said filling valve. minus a filling ramp; a bypass duct fluidically connected to the pipe, upstream and downstream of the control valve, considering the flow direction of the gas from the buffer capacity to said at least one ramp; and a non-return gas device arranged on the bypass pipe allowing the passage of the gas only in the direction of said at least one ramp.
Selon le cas, l'installation de l'invention peut comprendre l'une ou plusieurs des caractéristiques suivantes : - le dispositif anti-retour est un clapet anti-retour. - la canalisation d'alimentation est reliée fluidiquement à une pompe cryogénique. - la pompe cryogénique est alimentée par une source de gaz. - un premier manomètre est agencé sur la canalisation entre la capacité tampon et la vanne d'isolement manuelle et/ou un second manomètre est agencé entre la vanne de contrôle, la vanne de remplissage et au moins une rampe. - la vanne de contrôle est commandée par des moyens de pilotage, de préférence en opposition à la vanne de remplissage, c'est-à-dire que la vanne de contrôle est normalement ouverte alors que la vanne de remplissage est normalement fermée. L'invention porte aussi sur une utilisation d'une installation selon l'invention pour remplir des récipients de conditionnement de gaz, en particulier des bouteilles de gaz, notamment avec de l'oxygène ou de l'air, voire avec un autre gaz tel l'argon, le xénon, l'azote, le NO, le CO, le CO2 ou le N2O, ou un mélange de plusieurs de ces gaz. Depending on the case, the installation of the invention may include one or more of the following characteristics: the non-return device is a non-return valve. - The supply line is fluidly connected to a cryogenic pump. the cryogenic pump is powered by a gas source. - A first pressure gauge is arranged on the pipe between the buffer capacity and the manual isolation valve and / or a second manometer is arranged between the control valve, the filling valve and at least one ramp. - The control valve is controlled by control means, preferably in opposition to the filling valve, that is to say that the control valve is normally open while the filling valve is normally closed. The invention also relates to a use of an installation according to the invention for filling gas conditioning containers, in particular gas bottles, in particular with oxygen or air, or even with another gas such as argon, xenon, nitrogen, NO, CO, CO2 or N2O, or a mixture of several of these gases.
Par ailleurs, l'invention a également trait à un procédé de remplissage d'un ou plusieurs récipients de gaz, dans lequel : a) on alimente un ou plusieurs récipients de gaz avec du gaz provenant d'une capacité tampon contenant un gaz à une pression initiale donnée jusqu'à obtenir un équilibrage de pression entre la pression régnant dans la capacité tampon et la pression régnant dans le ou lesdits récipients de gaz, puis on stoppe l'alimentation en gaz du ou des récipients de gaz avec du gaz issu de ladite capacité tampon, b) on alimente le ou les récipients avec du gaz sous pression issu d'une source additionnelle de gaz et envoyé dans le ou les récipients de gaz au moyen d'une pompe cryogénique, c) on arrête l'alimentation de l'étape b), lorsque la pression du gaz dans le ou les récipients de gaz atteint une valeur maximale souhaitée, caractérisé en ce qu'à l'étape b), le gaz sous pression délivré par la pompe cryogénique est envoyé uniquement vers le ou les récipients de gaz, toute remontée de gaz vers la capacité tampon étant interrompue. Selon le cas, le procédé de l'invention peut comprendre l'une ou plusieurs des caractéristiques suivantes : - on commence à alimenter la capacité tampon avec du gaz provenant de la source additionnelle de gaz seulement après l'arrêt d'alimentation de l'étape c). - le gaz est de l'oxygène, de l'air, de l'argon, du xénon, de l'azote, du NO, du CO, du CO2 ou du N2O, ou un mélange de plusieurs de ces gaz. - le gaz est de l'oxygène ou de l'air, en particulier de qualité médicale. - les récipients sont des bouteilles de gaz, typiquement des bouteilles de type B50. - la pression initiale donné, c'est-à-dire la pression maximale régnant dans la capacité tampon est comprise entre 150 et 400 bar, typiquement entre 200 et 300 bar, par exemple de l'ordre de 240 bar. L'invention va maintenant être mieux comprise grâce à la description suivante faite en référence à la Figure 2 annexée qui schématise une installation selon l'invention dont le principe de fonctionnement par cycle de remplissage est décrit ci-après. Furthermore, the invention also relates to a method of filling one or more gas containers, wherein: a) one or more gas containers are fed with gas from a buffer capacity containing a gas to a gas container; initial pressure given until a pressure equalization between the pressure reigning in the buffer capacity and the pressure prevailing in the at least one gas container is reached, then the supply of gas to the gas container or containers is stopped with gas from said buffer capacity, b) the container (s) are fed with pressurized gas from an additional source of gas and sent into the gas container (s) by means of a cryogenic pump, (c) the feed is stopped; step b), when the pressure of the gas in the gas container (s) reaches a desired maximum value, characterized in that in step b), the pressurized gas delivered by the cryogenic pump is sent only to the o u the gas containers, any gas recovery to the buffer capacity being interrupted. Depending on the case, the method of the invention may comprise one or more of the following characteristics: - the buffer capacity is started with gas coming from the additional source of gas only after stopping the supply of the step c). the gas is oxygen, air, argon, xenon, nitrogen, NO, CO, CO2 or N2O, or a mixture of several of these gases. the gas is oxygen or air, in particular of medical quality. the containers are gas bottles, typically type B50 bottles. - The given initial pressure, that is to say the maximum pressure in the buffer capacity is between 150 and 400 bar, typically between 200 and 300 bar, for example of the order of 240 bar. The invention will now be better understood thanks to the following description made with reference to the appended FIG. 2 which schematizes an installation according to the invention, the operating principle of which by filling cycle is described below.
Au démarrage d'un cycle de remplissage, la capacité tampon 1 de l'installation est pleine de gaz, tel de l'oxygène ou de l'air de qualité médicale, à une pression maximale initiale, typiquement entre 200 et 350 bars, par exemple de l'ordre de 240 bar. Dès que la vanne de remplissage 5 s'ouvre, la vanne de contrôle 8, agencée sur la ligne 2 et qui est normalement ouverte, se ferme. Cette vanne de contrôle 8 peut être commandée à distance par des moyens de pilotage de sorte que, dès ouverture de la vanne de remplissage 5, la vanne de contrôle 8 se referme. Le gaz contenu dans la capacité tampon 1 est alors dévié par une canalisation de bipasse 10 qui est reliée à la canalisation 2, en amont et aval de la vanne de contrôle 8 de manière à mettre en communication fluidique la partie de canalisation 2 située en amont de la vanne de contrôle 8 avec celle située en aval de la vanne de contrôle 8, en considérant le sens de circulation du gaz depuis la capacité tampon 1 vers la vanne de contrôle 8. La canalisation de bipasse 10 comporte un dispositif anti-retour 9 de gaz, par exemple un clapet anti-retour, qui autorise le passage du gaz de la capacité tampon 1 vers les bouteilles 4 10 mais empêche toute remontée du gaz en direction de la capacité tampon 1. Le gaz délivré par la capacité tampon 1 circule donc au travers de la ligne de bipasse 10, au travers du clapet anti-retour 9, jusqu'à la rampe 3 et enfin aux bouteilles 4. La pression de gaz chute alors dans la capacité 1 jusqu'à l'équilibre avec les bouteilles 4, comme expliqué ci avant pour la Figure 1. 15 Ainsi, à titre d'exemple, le remplissage de 12 bouteilles 4 de type B50 (soit 600 litres de volume) avec de l'oxygène provenant d'une capacité tampon 1 de 500 litres de volume, à une pression initiale de 240 bar, conduit à une pression d'équilibrage de l'ordre de 110 bar, le volume de gaz dans les canalisations 2, 10 et la rampe 3 étant considéré comme négligeable. Il est donc nécessaire de compléter le remplissage avec du gaz provenant d'une source 20 additionnelle 7 de gaz, par exemple un réservoir d'oxygène liquide de plusieurs milliers de litres. Le gaz issu du réservoir 7 est amené jusqu'aux bouteilles via une ligne d'alimentation 11 qui est reliée fluidiquement à la canalisation 2. Le gaz issu de la source 7 est en fait comprimé par une pompe cryogénique 6 puis distribué dans la ligne d'alimentation 11. 25 Il est à noter qu'un vaporiseur ou réchauffeur atmosphérique de gaz 16 peut être agencé entre la source 7 et la pompe 6. La pompe cryogénique 6 qui a démarrée à une pression donnée, termine le remplissage des bouteilles 4 uniquement car la vanne 8 est fermée et le clapet anti-retour 9 empêche le remplissage de la capacité tampon 1 en s'opposant à toute remontée de pression vers ladite 30 capacité tampon 1. En d'autres termes, en mode normal d'utilisation, la vanne 12 manuelle est toujours ouverte. Sa fermeture par l'opérateur permet d'isoler la capacité tampon 1. Un premier manomètre 13 installé en amont d'une soupape de sécurité 14 permet de s'assurer de l'absence de pression dans la partie de ligne 2, à proximité de la capacité tampon 1. Un second 35 manomètre 15 est agencé sur la ligne 2 en aval de la vanne de contrôle 8. At the start of a filling cycle, the buffer capacity 1 of the installation is full of gases, such as oxygen or medical grade air, at an initial maximum pressure, typically between 200 and 350 bar, by example of the order of 240 bar. As soon as the filling valve 5 opens, the control valve 8, arranged on the line 2 and which is normally open, closes. This control valve 8 can be remotely controlled by control means so that, upon opening of the filling valve 5, the control valve 8 closes. The gas contained in the buffer capacity 1 is then diverted by a bypass pipe 10 which is connected to the pipe 2, upstream and downstream of the control valve 8 so as to put in fluid communication the pipe portion 2 located upstream of the control valve 8 with that located downstream of the control valve 8, considering the flow direction of the gas from the buffer capacity 1 to the control valve 8. The bypass pipe 10 comprises a non-return device 9 of gas, for example a non-return valve, which allows the passage of the gas from the buffer capacity 1 to the bottles 4 10 but prevents any rise of the gas towards the buffer capacity 1. The gas delivered by the buffer capacity 1 flows therefore through the bypass line 10, through the non-return valve 9, to the ramp 3 and finally to the bottles 4. The gas pressure then drops in the capacity 1 until the equilibrium with the bottles 4, co As for example, the filling of 12 bottles 4 of type B50 (ie 600 liters of volume) with oxygen from a buffer capacity 1 of 500 liters of volume, at an initial pressure of 240 bar, leads to a balancing pressure of the order of 110 bar, the volume of gas in the pipes 2, 10 and the ramp 3 being considered negligible. It is therefore necessary to complete the filling with gas from an additional source 7 of gas, for example a liquid oxygen tank of several thousand liters. The gas coming from the tank 7 is fed to the bottles via a feed line 11 which is fluidly connected to the pipe 2. The gas coming from the source 7 is in fact compressed by a cryogenic pump 6 and then distributed in the line D. 11. It should be noted that a vaporizer or atmospheric gas heater 16 may be arranged between the source 7 and the pump 6. The cryogenic pump 6 which has started at a given pressure, completes the filling of the bottles 4 only because the valve 8 is closed and the non-return valve 9 prevents the filling of the buffer capacity 1 by opposing any increase of pressure towards said buffer capacity 1. In other words, in normal mode of use, the manual valve 12 is always open. Its closing by the operator makes it possible to isolate the buffer capacity 1. A first pressure gauge 13 installed upstream of a safety valve 14 makes it possible to ensure the absence of pressure in the part of line 2, close to the buffer capacity 1. A second pressure gauge 15 is arranged on the line 2 downstream of the control valve 8.
Une fois que le remplissage des bouteilles 4 est terminé, celles-ci sont enlevées de la rampe de remplissage 3 et remplacées par des bouteilles vides devant être à leur tour remplies. Or, pendant la durée nécessaire à cette opération de substitution de bouteilles, on procède au remplissage de la capacité tampon 1 avec du gaz provenant de la source extérieure 7. Pour ce faire, la vanne de contrôle 8 est ouverte, ce qui autorise une remontée de gaz sous pression dans la ligne 2 jusque dans la capacité tampon 1. On stoppe le remplissage de la capacité 1 lorsque la pression qui y règne atteint la valeur maximale souhaitée, par exemple 240 bar. A tout moment, il est possible de vérifier le bon fonctionnement du système de régulation au cours d'un cycle de remplissage en comparant les pressions affichés sur les deux manomètres 13, 15.En conditions normales de fonctionnement, lors du démarrage d'un remplissage, les manomètres 13, 15 affichent la même pression initiale (240 bar), puis on peut y lire et constater une diminution progressive de pression au fur et à mesure du remplissage des bouteilles 4 avec du gaz issu de la capacité tampon 1 jusqu'à l'équilibre à une pression donnée, qui dépend de la taille/du volume des bouteilles 4 en rampe 3. La pression d'équilibre atteinte (par exemple 110 bar), la pompe 6 fait augmenter la pression de la ligne (visualisable sur le manomètre 15) alors que la pression du manomètre 13 situé à proximité de la capacité tampon 1 reste stable à la pression d'équilibre précédente. La pression de la ligne 2 monte jusqu'à la pression de remplissage calculé (en fonction de la température). Une fois le remplissage fini, la vanne de contrôle 8 s'ouvre, permettant ainsi le remplissage en différé de la capacité tampon, les deux manomètres 13, 15 affichent alors la même pression jusqu'à atteindre la pression maximale, par exemple 240 bar, qui correspond à la consigne d'arrêt de la pompe cryogénique. Once the filling of the bottles 4 is finished, they are removed from the filling ramp 3 and replaced by empty bottles to be filled in turn. However, during the time required for this bottle substitution operation, the buffer capacity 1 is filled with gas from the external source 7. To do this, the control valve 8 is open, which allows a recovery pressurized gas in the line 2 to the buffer capacity 1. It stops filling the capacity 1 when the pressure therein reaches the desired maximum value, for example 240 bar. At any time, it is possible to check the correct operation of the control system during a filling cycle by comparing the pressures displayed on the two pressure gauges 13, 15. In normal operating conditions, when starting a filling , the manometers 13, 15 display the same initial pressure (240 bar), then it is possible to read and observe a gradual decrease in pressure as the bottles 4 fill with gas from the buffer capacity 1 to the equilibrium at a given pressure, which depends on the size / volume of the bottles 4 in ramp 3. The equilibrium pressure reached (for example 110 bar), the pump 6 increases the pressure of the line (viewable on the pressure gauge 15) while the pressure of the manometer 13 located near the buffer capacity 1 remains stable at the previous equilibrium pressure. The line 2 pressure rises to the calculated filling pressure (depending on the temperature). Once the filling is finished, the control valve 8 opens, thus enabling the buffer capacity to be refilled, the two gauges 13, 15 then displaying the same pressure until the maximum pressure, for example 240 bar, is reached. which corresponds to the stopping instruction of the cryogenic pump.
Le procédé et l'installation de l'invention permettent de réaliser un remplissage plus rapide des bouteilles et de la capacité tampon grâce à la mise en oeuvre d'un remplissage séquentiel et non plus simultané des bouteilles et de la capacité tampon. Ceci permet de diminuer la productivité et le temps global de remplissage, c'est-à-dire l'efficacité du remplissage, puisque le remplissage des bouteilles est plus rapide et que par ailleurs le remplissage de la capacité tampon se fait pendant un temps normalement «mort », c'est-à-dire pendant que l'opérateur remplace les bouteilles pleines par des bouteilles vides devant être remplies durant le cycle suivant de remplissage. The method and the installation of the invention make it possible to fill the bottles and buffer capacity more quickly by implementing a sequential rather than simultaneous filling of the bottles and the buffer capacity. This makes it possible to reduce the productivity and the overall filling time, that is to say the efficiency of the filling, since the filling of the bottles is faster and, moreover, the filling of the buffer capacity is done for a period of time normally. "Dead", that is to say while the operator replaces the full bottles with empty bottles to be filled during the next filling cycle.
Claims (10)
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FR1050343A FR2955372B1 (en) | 2010-01-20 | 2010-01-20 | METHOD AND INSTALLATION FOR FILLING GAS BOTTLES |
EP10190321.9A EP2354627B1 (en) | 2010-01-20 | 2010-11-08 | Process and system for filling gas bottles |
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WO2001077574A1 (en) * | 2000-04-09 | 2001-10-18 | Winter Hermann Josef | Installation for filling gas tanks |
US20050016185A1 (en) * | 2002-08-30 | 2005-01-27 | Emmer Claus D. | Liquid and compressed natural gas dispensing system |
FR2891347A1 (en) * | 2005-09-28 | 2007-03-30 | Air Liquide | Filling pressurized gas into reservoir, specifically filling hydrogen into reservoir of vehicle, involves compressing gas using energy from working fluid, with heat exchange between the gas and working fluid |
WO2009013415A1 (en) * | 2007-07-23 | 2009-01-29 | L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Method for filling a tank with pressurised gas |
Cited By (5)
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CN102809643A (en) * | 2012-08-16 | 2012-12-05 | 中国石油化工股份有限公司 | Oxygenating device for oxygen bomb bodies |
CN102809643B (en) * | 2012-08-16 | 2015-02-11 | 中国石油化工股份有限公司 | Oxygenating device for oxygen bomb bodies |
WO2018015641A1 (en) * | 2016-07-21 | 2018-01-25 | Engie | Advance purging of a cryogenic tank |
FR3054285A1 (en) * | 2016-07-21 | 2018-01-26 | Engie | ANTICIPATED PURGE OF A CRYOGENIC RESERVOIR |
CN107726042A (en) * | 2017-09-06 | 2018-02-23 | 武汉钢铁集团气体有限责任公司 | A kind of continuous fill system of gas and its method |
Also Published As
Publication number | Publication date |
---|---|
FR2955372B1 (en) | 2012-12-14 |
EP2354627B1 (en) | 2019-06-05 |
EP2354627A1 (en) | 2011-08-10 |
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