EP0823968B1 - Alimentation en gaz sous haute pression - Google Patents

Alimentation en gaz sous haute pression Download PDF

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Publication number
EP0823968B1
EP0823968B1 EP96914994A EP96914994A EP0823968B1 EP 0823968 B1 EP0823968 B1 EP 0823968B1 EP 96914994 A EP96914994 A EP 96914994A EP 96914994 A EP96914994 A EP 96914994A EP 0823968 B1 EP0823968 B1 EP 0823968B1
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EP
European Patent Office
Prior art keywords
gas
pressure
receiving vessel
line
liquefied
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.)
Expired - Lifetime
Application number
EP96914994A
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German (de)
English (en)
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EP0823968A1 (fr
Inventor
Robert Adler
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Linde Gas AG
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Linde GmbH
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Publication date
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Publication of EP0823968A1 publication Critical patent/EP0823968A1/fr
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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
    • F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • 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
    • 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
    • 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
    • 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
    • F17C2265/05—Regasification

Definitions

  • the invention relates to a method for providing high pressure gas on a Place of consumption, the gas being liquefied at low pressure in a storage container is withdrawn, and continues to provide a gas supply facility for High pressure gas.
  • Gas under high pressure is required for several industrial processes. For example is used for laser cutting along the laser beam under high pressure supplied inert gas such as nitrogen to blow out the melt when cutting of a metal.
  • inert gas such as nitrogen
  • plastic melt is made into a hollow mold introduced, which then with a gas under high pressure to the Inner wall of the molded part is pressed where it cools.
  • gases with pressures between 30 and 500 bar are required, which are in gaseous or exist in the supercritical state area.
  • the vaporized gas is thermally balanced with the liquefied gas, whereby a clear phase separation disappears, which for the effective promotion of the liquefied gas under high pressure is necessary.
  • nitrogen for example after some time the critical point (-147 ° C: 33.9 bar) is exceeded, so that the nitrogen is present in the supercritical state in the storage container, whereby the Effectiveness of high pressure delivery is severely impaired.
  • the high pressure gas should If possible, the place of consumption is available at a pressure specified by the consumer can be put and an intermittent gas consumption (temporarily Use of a consumer system).
  • This object is achieved in that liquefied gas from the Storage container is introduced into a storage container, the size of such is chosen that the time period for emptying the same is shorter than that for Reaching thermal equilibrium in the storage container, and that the headspace of the storage container with vaporized gas that is outside the storage container is obtained in an evaporator, is applied until the liquefied Gas can be pumped to the place of consumption with the required high pressure, and that each time after emptying the storage container this again with liquefied Gas is filled.
  • the use according to the invention of a compared to the reservoir for liquefied Gas of much smaller sized storage container enables if necessary a continuous over a period of time required by the consumer Supply of high pressure gas if this storage container at short intervals filled with liquefied gas and emptied with vaporized high pressure gas. Since the Time period for emptying the storage container is so small that during the Emptying the thermal equilibrium cannot be achieved, one is clear Defined phase boundary between liquefied gas and injected High pressure gas always present, which increases the efficiency of the high pressure gas production is considerably increased. The period of time to empty the Storage container without reaching thermal equilibrium in the storage container can be effectively insulated against heat exchange be extended with the environment. Extreme storage tank for high pressure gas are superfluous in the method according to the invention.
  • the size of the reservoir is given the volume flow of the high pressure gas chosen at the point of use so that the contents of the storage container into one Period of time from 1 to 60 seconds, preferably from 5 to 45 seconds, in particular 10 to 30 seconds. is emptied. With such periods it is ensured that the system has no time to reach thermal equilibrium.
  • Suitable contents of the storage container are between 1 and 10 liters, preferably between 1 and 5 liters, in particular between 1 and 2 liters.
  • the size of the storage container and storage container are chosen so that the Ratio of the volume of the storage container to the volume of the storage container between 1: 500 and 1:50 000, preferably between 1: 1000 and 1:30 000, is particularly preferably between 1: 3,000 and 1:25,000.
  • the process is carried out cyclically when using a single storage container continuous filling and emptying of this storage container.
  • the liquefied gas is under high Pressure is conveyed to the place of consumption, where it is mostly in gaseous form using an evaporator Condition is transferred at a desired temperature. It can part of this vaporized high pressure gas is now branched off at the point of use and the head space of the storage container are supplied to the there to convey liquefied gas to the place of consumption. This requires a slight pressure increase of the branched gas take place.
  • the high pressure gas present in the storage container after each emptying cycle can be operated as follows:
  • the content can be sent to the Environment are released or via a pressure reducer in low pressure gas be converted, especially if there is a low-pressure gas network at the point of use is present, or low pressure gas is needed for other purposes.
  • the content of vaporized gas can be exchanged with the heat to the place of consumption conducted liquefied gas are cooled and then expanded, whereby it liquefies in part, then this re-liquefied gas can be Circuit with liquefied gas can be returned.
  • the evaporated high pressure gas cools down greatly with the liquefied gas, so that it is largely liquefied during the subsequent relaxation. This liquefied Gas is used again.
  • two or more are connected in parallel Storage tank used which is cycled with liquefied gas from the storage tank filled and emptied by means of vaporized gas under high pressure.
  • Storage tank used which is cycled with liquefied gas from the storage tank filled and emptied by means of vaporized gas under high pressure.
  • the considerably smaller volume of the storage container compared to that of the storage container ensures the feasibility of the method according to the invention.
  • Processes can hold storage containers with a capacity of for example 6000 liters or less, but also tanks with a capacity of 30,000 liters are used, depending on the gas consumption at the point of use.
  • the storage containers with a content of 1 to about 10 liters dimensioned smaller by several orders of magnitude.
  • a favorable second embodiment is in the discharge for liquefied gas an evaporator arranged under high pressure to the place of consumption, the output of which is connected to a line leading to the head of one or more storage containers, wherein a pressure increasing means is provided in this line.
  • the mentioned evaporator of the first embodiment is saved and instead the existing evaporator used at the place of consumption, which liquefies the High pressure gas evaporates.
  • the high-pressure gas can be branched off from the place of consumption and into return the headspace of the storage container.
  • a discharge line for this high pressure gas is provided, either via a vent valve and leads a silencer into the environment, or via a pressure reducer communicates with a low gas pressure line, or in a gas recooler leads, in which the discharge leads into a relaxation nozzle.
  • the gas recooler can use liquefied gas from the supply line to the place of consumption are supplied, this liquefied gas in the gas recooler led high pressure gas removes heat so that this reaches the expansion nozzle has cooled so far that it is followed by relaxation reliquefied.
  • the Gas recooler has a conduit for liquefied gas that is connected to the conduit for condensed gas Gas is connected to one or more storage containers.
  • a gas supply system essentially consists of a storage container 16, in this case a tank for liquefied nitrogen, which is connected via a valve and a non-return valve to a supply container 1, which is insulated against the unwanted heat exchange with the environment, via line 17.
  • Liquefied gas can flow to the bottom of the storage container 1 via the supply line 17 due to the pressure prevailing in the storage container 16.
  • the evaporator 4 is also partly filled with liquefied gas.
  • the emptying and filling process is monitored by means of a device. which consists of a compensating valve 11, a throttle valve 12, a liquid pressure valve 10 and a differential pressure transmitter 13.
  • This device transmits signals to the control unit 19, which controls the pressure valve 6 present in line 20 in order to adjust the pressure of the high-pressure gas delivered to the place of use, and which controls the existing quick-closing valve 9 in the supply line to the place of use in order to supply the gas to the place of consumption when required. or to interrupt an accident.
  • the evaporator After filling the reservoir 1, the evaporator is started up 4, which in this case generates gaseous nitrogen, which via the pressure valve 6 flows through line 20 into the head space of the storage container 1. Is the necessary Pressure that is desired at the point of consumption is reached, the promotion of the im begins Storage container 1 existing liquefied gas through line 17 into the feed line 18 to the place of consumption. The evaporator 22 in front of the place of consumption converts this liquefied high pressure gas into gaseous.
  • a high-pressure accumulator 2 which to the Line 18 is connected, ensures in combination with a pressure build-up evaporator 3, which with both the high pressure accumulator 2 and an overflow valve 14 the evaporator 4 is connected via line 20 for the compensation of Pressure fluctuations in the supply line 18 to the place of use.
  • the pressure valve 6 and 6 is closed Open vent valve 7 with the refilling of the reservoir 1 liquefied gas from the storage container 16. This is in the storage container 1 existing vaporized high pressure gas via the vent valve 7 and the silencer 5 released to the environment.
  • the whole process of emptying and Filling takes about 20 to 30 seconds.
  • During refilling of the reservoir 1 there is no interruption of the high pressure gas supply on Place of consumption. since sufficient high-pressure gas is still present in the feed line 18.
  • receiving reservoir is no thermal compensation according to the invention between liquefied gas and high pressure gas added to the headspace possible. This results in an effective, fast promotion that takes place continuously, depending on the size of the storage container 16, the respective method at the point of use can be done over long periods of time.
  • the storage container 16 a nitrogen tank with a capacity of 30,000 liters be.
  • FIG. 2 shows an embodiment of a gas supply system according to the invention that is comparable with FIG. 1, also with a storage container 16 for liquefied gas under relatively low pressure, a storage container 1, the volume of which is several dimensions below that of the storage container 16, a unit monitoring the filling and emptying, consisting of the components with the reference numbers 10 to 13, a further unit for equalizing pressure fluctuations, consisting of the high-pressure accumulator 2, the pressure build-up evaporator 3 and the pressure control 8, finally a control unit 19 and the pressure build-up evaporator 4 and a further evaporator 22 for liquefied high-pressure gas on Place of consumption.
  • a storage container 16 for liquefied gas under relatively low pressure a storage container 16 for liquefied gas under relatively low pressure
  • a storage container 1 the volume of which is several dimensions below that of the storage container 16
  • a unit monitoring the filling and emptying consisting of the components with the reference numbers 10 to 13
  • a further unit for equalizing pressure fluctuations consisting of the high-pressure
  • the vaporized high-pressure gas used for emptying the reservoir 1 is fed into a nitrogen low-pressure network via a pressure reducer 15 (low-pressure solenoid valve) which is arranged in the discharge line 21 from the head space of the reservoir 1 and from the control unit 19 is opened in each case after an emptying phase of the storage container 1.
  • a pressure reducer 15 low-pressure solenoid valve
  • the mode of operation of the gas supply system shown in FIG. 3 essentially corresponds to that discussed in the previous figures, but the high-pressure gas used for conveying is liquefied again and returned to the circuit.
  • the discharge line 21 leads from the head space of the storage container 1 via the vent valve 7 into the gas recooler 24, which in turn is integrated in the supply line 18 for liquefied high-pressure gas to the place of consumption.
  • the vent valve 7 When the vent valve 7 is open, high-pressure gas flows from the emptied storage container 1 via the line 21 into the gas recooler 24, in which heat exchange takes place with liquefied high-pressure gas, as a result of which the high-pressure gas is strongly cooled.
  • the vaporized high-pressure gas cools to approximately 120 K, is expanded in the expansion nozzle 25, as a result of which it liquefies, and can subsequently develop a non-return flap in the discharge line 26 from the gas recooler into the supply line 17 to the storage container 1 can be returned.
  • a return of the gas portion to the reservoir 16 via line 23 is also possible.
  • the gas supply system shown in Figure 3 works as a closed system without any losses.
  • FIG. 4 A further design option for a gas supply system according to the invention is shown in FIG. 4 .
  • the same device components are also identified here with the same reference numerals.
  • two receptacles 1 and 1 ' which are insulated against unwanted heat exchange with the environment, are integrated here and are filled and emptied cyclically.
  • a storage tank 16 for liquefied nitrogen one of the two storage containers 1 and 1 'is filled via line 17 into the bottom of the storage container.
  • Both storage containers 1 and 1 'each contain a level probe attached to the head space, which completes the filling process.
  • One of the two storage containers 1 and 1 ' is filled by suitably adjusting the diversion arrangement 30 with the four non-return flaps shown.
  • gas present at the point of use is branched off under high pressure from the evaporator 22 in operation and conducted back via line 27 into the headspace of the storage container in question.
  • the fan 28 increases the pressure, for which, in particular, a reciprocating piston compressor can be used.
  • the supply of the recirculated vaporized high pressure gas into the respective storage container 1 or 1 takes place via the switch block 29 via the two three-way valves shown.
  • the evaporator 22 can be initially filled with the bypass valve 31 open and the diversion arrangement 30 closed in order to be able to start the system.
  • the blower 28 ensures a pressure increase of 0.5 to 2 bar, which is necessary to return the high-pressure gas back into the head space of the respective storage container 1 or 1 '. In this way, liquefied gas reaches the line 18, which leads to the evaporator 22 at the point of use, via the diverter arrangement 30 with its check valves.
  • the volume of both storage containers 1 and 1 ' is several Dimensions smaller than the volume of the storage container 16, which is usually one tank system installed at the consumer for liquid gas represents with a capacity of several thousand liters. In this embodiment a volume of 1.8 liters is used for the storage containers 1 and 1 '.
  • the time for emptying each storage container 1 and 1 ' is about 20 Seconds. thereby ensuring according to the invention that the to achieve the thermal equilibrium of the system fell short of the time required remains. This means that there is a clear phase boundary during the entire emptying process secured between liquefied gas and high pressure gas, the for fast emptying of the respective storage container under high pressure worries.
  • the line 27 with the fan saves 28 the use of a separate evaporator for the respective storage container.
  • a gas supply system according to the invention can be advantageous deploy.
  • the system is extremely cost-saving and can be adjusted depending on the size of the storage container 16 use continuously over very long periods of time. Especially uneconomical high-pressure gas units can be found at the point of use save on.

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

Claims (26)

  1. Procédé pour l'approvisionnement en gaz sous haute pression à un lieu de consommation, dans lequel le gaz est prélevé à l'état liquéfié sous basse pression hors d'un réservoir de stockage (16), caractérisé en ce que du gaz liquéfié venant du réservoir de stockage est introduit dans un réservoir collecteur (1; 1'), dont la grandeur est choisie de telle façon que le laps de temps nécessaire pour la vidange de celui-ci soit plus petit que celui qui est nécessaire pour atteindre l'équilibre thermique dans le réservoir collecteur (1; 1'), et en ce que l'espace supérieur du réservoir collecteur (1; 1') est alimenté en gaz vaporisé qui est obtenu dans un évaporateur (4; 22) à l'extérieur du réservoir collecteur (1; 1'), jusqu'à ce que le gaz liquéfié puisse être transporté jusqu'au lieu de consommation avec la haute pression requise, et en ce qu'après chaque vidange du réservoir collecteur (1; 1'), celui-ci est à nouveau rempli de gaz liquéfié.
  2. Procédé suivant la revendication 1, caractérisé en ce que le gaz liquéfié est vaporisé d'une façon contrôlée et en ce que la pression est établie exactement à la pression de consommation nécessaire sur le lieu de consommation.
  3. Procédé suivant l'une quelconque des revendications 1 ou 2, caractérisé en ce que l'on utilise un réservoir collecteur (1; 1') isolé contre un échange de chaleur avec l'atmosphère.
  4. Procédé suivant l'une quelconque des revendications 1 à 3, caractérisé en ce que la grandeur du réservoir collecteur (1; 1'), pour un courant volumique donné du gaz sous haute pression au lieu de consommation, est choisie de telle façon que le contenu du réservoir collecteur (1; 1') soit vidé en un laps de temps de 1 à 60 secondes, de préférence de 5 à 45 secondes, en particulier de 10 à 30 secondes.
  5. Procédé suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que le contenu du réservoir collecteur (1; 1') est choisi entre 1 et 10 litres, de préférence entre 1 et 5 litres, en particulier entre 1 et 2 litres, selon le courant volumique prédéterminé du gaz sous haute pression au lieu de consommation.
  6. Procédé suivant l'une quelconque des revendications 1 à 5, caractérisé en ce que l'on emploie un réservoir collecteur (1; 1') et un réservoir de stockage (16), dans lesquels le rapport du volume du réservoir collecteur (1; 1') au volume du réservoir de stockage (16) se situe entre 1:500 et 1:50000, de préférence entre 1:1000 et 1:30000, et de façon particulièrement préférée entre 1:3000 et 1:25000.
  7. Procédé suivant l'une quelconque des revendications 1 à 6, caractérisé en ce que l'espace supérieur du réservoir collecteur (1; 1') est alimenté en gaz vaporisé, qui est prélevé hors d'un évaporateur (22) sur le lieu de consommation.
  8. Procédé suivant la revendication 6, caractérisé en ce que la pression du gaz vaporisé est augmentée lors de l'introduction dans l'espace supérieur du réservoir collecteur (1; 1').
  9. Procédé suivant l'une quelconque des revendications 1 à 8, caractérisé en ce qu'après la vidange du réservoir collecteur (1; 1'), le contenu de celui-ci en gaz sous haute pression vaporisé est rejeté dans l'atmosphère par une soupape d'échappement (7).
  10. Procédé suivant l'une quelconque des revendications 1 à 9, caractérisé en ce qu'après la vidange du réservoir collecteur (1; 1'), le contenu de celui-ci en gaz sous haute pression vaporisé est converti en gaz à basse pression au moyen d'un réducteur de pression (15).
  11. Procédé suivant l'une quelconque des revendications 1 à 10, caractérisé en ce qu'après la vidange du réservoir collecteur (1; 1'), le contenu de celui-ci en gaz sous haute pression vaporisé est refroidi par échange de chaleur avec le gaz liquéfié conduit au lieu de consommation et est ensuite détendu, ce qui provoque sa liquéfaction partielle, et en ce que ce gaz à nouveau liquéfié est recyclé dans le circuit avec du gaz liquéfié.
  12. Procédé suivant l'une quelconque des revendications 1 à 11, caractérisé en ce que l'on utilise deux ou plus de deux réservoirs collecteurs (1; 1') montés en parallèle, qui sont cycliquement remplis de gaz liquéfié venant du réservoir de stockage (16) et vidés au moyen de gaz sous haute pression vaporisé.
  13. Procédé suivant l'une quelconque des revendications 1 à 12, caractérisé en ce que l'on utilise deux ou plus de deux réservoirs collecteurs (1; 1') montés en parallèle, qui sont simultanément remplis de gaz liquéfié venant du réservoir de stockage (16) et vidés au moyen de gaz sous haute pression vaporisé.
  14. Installation de distribution de gaz pour l'approvisionnement en gaz sous haute pression à un lieu de consommation, dans laquelle il est prévu un réservoir de stockage, qui couvre la consommation de gaz pendant une longue période et qui contient du gaz liquéfié sous basse pression, caractérisée en ce qu'au moins un réservoir collecteur (1, 1') avec un volume nettement plus petit que le réservoir de stockage (16) est raccordé à celui-ci par une conduite (17), en ce qu'à la tête de chacun des réservoirs collecteurs (1, 1') est agencée une conduite d'arrivée (20) pour du gaz vaporisé venant d'un évaporateur (4; 22) sous haute pression, et en ce qu'au bas de chacun des réservoirs collecteurs (1, 1') est agencée une conduite d'évacuation (17, 18) pour le gaz liquéfié sous haute pression vers le lieu de consommation.
  15. Installation de distribution de gaz suivant la revendication 14, caractérisée en ce que le réservoir collecteur (1; 1') est isolé contre un échange de chaleur avec l'atmosphère.
  16. Installation de distribution de gaz suivant l'une quelconque des revendications 14 ou 15, caractérisée en ce que le contenu du réservoir collecteur (1; 1') vaut entre 1 et 10 litres, de préférence entre 1 et 5 litres, en particulier entre 1 et 2 litres, selon le courant volumique prédéterminé du gaz sous haute pression au lieu de consommation.
  17. Installation de distribution de gaz suivant l'une quelconque des revendications 14 à 16, caractérisée en ce que le rapport du volume du réservoir collecteur (1; 1') à la grandeur du réservoir de stockage (16) vaut entre 500 et 50000, de préférence entre 1000 et 30000, et de façon particulièrement préférée entre 3000 et 25000.
  18. Installation de distribution de gaz suivant l'une quelconque des revendications 14 à 17, caractérisée en ce qu'une conduite d'arrivée (17) est menée du bas du réservoir collecteur (1; 1') à un évaporateur (4), d'où une conduite (20) part vers la tête du réservoir collecteur.
  19. Installation de distribution de gaz suivant l'une quelconque des revendications 14 à 18, caractérisée en ce qu'il est prévu des moyens (10, 11, 12, 13) pour surveiller les opérations de vidange et de remplissage, qui sont en liaison active avec une unité de commande (19) destinée à transmettre des signaux et avec des moyens (6) de commande de la pression (6), destinés à régler la pression du gaz sous haute pression transporté vers le lieu de consommation.
  20. Installation de distribution de gaz suivant l'une quelconque des revendications 14 à 19, caractérisée en ce qu'il y a des moyens (9) pour interrompre la conduite de gaz vers le lieu de consommation, qui peuvent le cas échéant être commandés par l'unité de commande (19).
  21. Installation de distribution de gaz suivant l'une quelconque des revendications 14 à 20, caractérisée en ce qu'il est prévu, à partir de la tête du réservoir collecteur (1; 1'), une conduite d'évacuation (21) pour le gaz sous haute pression qui mène à l'atmosphère par une soupape d'échappement (7) et un silencieux (5).
  22. Installation de distribution de gaz suivant l'une quelconque des revendications 14 à 20, caractérisée en ce qu'il est prévu, à partir de la tête du réservoir collecteur (1; 1'), une conduite d'évacuation (21) pour le gaz sous haute pression, qui est en communication avec une conduite de gaz sous basse pression par l'intermédiaire d'un réducteur de pression (15).
  23. Installation de distribution de gaz suivant l'une quelconque des revendications 14 à 20, caractérisée en ce qu'il est prévu, à partir de la tête du réservoir collecteur (1; 1'), une conduite d'évacuation (21) pour le gaz sous haute pression, qui conduit à un rétro-refroidisseur de gaz (24), dans lequel cette conduite d'évacuation (21) débouche dans une tuyère de détente (25).
  24. Installation de distribution de gaz suivant la revendication 23, caractérisée en ce que le rétro-refroidisseur de gaz (24) présente une conduite d'évacuation (21) pour le gaz liquéfié, qui est raccordée à la conduite d'arrivée (26) pour le gaz liquéfié dans le réservoir collecteur (1; 1').
  25. Installation de distribution de gaz suivant les revendications 14 à 24, caractérisée en ce que, dans la conduite d'évacuation (18) pour le gaz liquéfié sous haute pression vers le lieu de consommation, est disposé un évaporateur (22), dont la sortie est raccordée à une conduite (27), qui mène à la tête d'un ou de plusieurs réservoirs collecteurs (1; 1'), un moyen d'augmentation de la pression (28) étant prévu dans cette conduite (27).
  26. Installation de distribution de gaz suivant la revendication 25, caractérisée en ce que le moyen d'augmentation de la pression (28) est un compresseur à piston pendulaire (28).
EP96914994A 1995-05-02 1996-04-26 Alimentation en gaz sous haute pression Expired - Lifetime EP0823968B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19516002 1995-05-02
DE19516002 1995-05-02
PCT/EP1996/001758 WO1996035078A1 (fr) 1995-05-02 1996-04-26 Alimentation en gaz sous haute pression

Publications (2)

Publication Number Publication Date
EP0823968A1 EP0823968A1 (fr) 1998-02-18
EP0823968B1 true EP0823968B1 (fr) 1998-10-21

Family

ID=7760825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96914994A Expired - Lifetime EP0823968B1 (fr) 1995-05-02 1996-04-26 Alimentation en gaz sous haute pression

Country Status (9)

Country Link
EP (1) EP0823968B1 (fr)
JP (1) JPH11505007A (fr)
AT (1) ATE172524T1 (fr)
CZ (1) CZ288387B6 (fr)
DE (2) DE19616811A1 (fr)
ES (1) ES2124097T3 (fr)
HU (1) HUP9801238A3 (fr)
PL (1) PL179727B1 (fr)
WO (1) WO1996035078A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19716414C1 (de) * 1997-04-18 1998-07-09 Linde Ag Hochdruckgasversorgung
FR2769354B1 (fr) * 1997-10-06 1999-11-05 Air Liquide Procede et installation de remplissage d'un reservoir sous pression
US5924291A (en) * 1997-10-20 1999-07-20 Mve, Inc. High pressure cryogenic fluid delivery system
GB9825763D0 (en) * 1998-11-25 1999-01-20 Boc Group Plc Filling containers with gas
DE10358311A1 (de) 2003-12-11 2005-07-14 Bayerische Motoren Werke Ag System und Verfahren zur Verdampfung eines kryogen gespeicherten Kraftstoffs
DE102005056102A1 (de) * 2005-10-27 2007-05-03 Linde Ag Vorrichtung zur Gasdruckerhöhung
AT503579B1 (de) * 2006-05-08 2007-11-15 Hermeling Katharina Mag Verfahren zur zyklischen kolbenlosen kompression der gasphase tiefkalt verflüssigter gase
CN102182919B (zh) * 2011-03-26 2013-01-02 宁波鲍斯能源装备股份有限公司 液化天然气蒸发气体回收再液化的装置与方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884943A (en) * 1954-04-22 1959-05-05 Bendix Aviat Corp Liquid-gas converter system
FR2379018A1 (fr) * 1976-12-23 1978-08-25 Air Liquide Procede et installation cryogeniques de distribution de gaz sous pression
US4961325A (en) * 1989-09-07 1990-10-09 Union Carbide Corporation High pressure gas supply system
JPH06509510A (ja) * 1992-04-14 1994-10-27 トヴァリシェストヴォ・エス・オーグラニチェノイ・オトヴェトストーヴェンノスチュ，フィルマ・“メグマ・エイアールエス”（メグマ・エイアールエス・リミテッド） ガス発生方法及びその方法を実施する装置

Also Published As

Publication number Publication date
PL323140A1 (en) 1998-03-16
CZ346397A3 (cs) 1998-04-15
ATE172524T1 (de) 1998-11-15
ES2124097T3 (es) 1999-01-16
EP0823968A1 (fr) 1998-02-18
PL179727B1 (pl) 2000-10-31
CZ288387B6 (en) 2001-06-13
DE59600717D1 (de) 1998-11-26
JPH11505007A (ja) 1999-05-11
DE19616811A1 (de) 1996-11-07
HUP9801238A2 (hu) 1998-08-28
WO1996035078A1 (fr) 1996-11-07
HUP9801238A3 (en) 2000-02-28

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