EP0532912B2 - Procédé de prélèvement de gaz des bouteilles sous pression dont la pression de remplissage est supérieure à 200 bars - Google Patents

Procédé de prélèvement de gaz des bouteilles sous pression dont la pression de remplissage est supérieure à 200 bars Download PDF

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Publication number
EP0532912B2
EP0532912B2 EP92113844A EP92113844A EP0532912B2 EP 0532912 B2 EP0532912 B2 EP 0532912B2 EP 92113844 A EP92113844 A EP 92113844A EP 92113844 A EP92113844 A EP 92113844A EP 0532912 B2 EP0532912 B2 EP 0532912B2
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EP
European Patent Office
Prior art keywords
pressure
bar
gas
reducer
pressures
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
EP92113844A
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German (de)
English (en)
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EP0532912B1 (fr
EP0532912A1 (fr
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.)
Linde GmbH
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Linde GmbH
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Publication date
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Application filed by Linde GmbH filed Critical Linde GmbH
Publication of EP0532912A1 publication Critical patent/EP0532912A1/fr
Application granted granted Critical
Publication of EP0532912B1 publication Critical patent/EP0532912B1/fr
Publication of EP0532912B2 publication Critical patent/EP0532912B2/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
    • 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
    • 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
    • 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)

Definitions

  • the invention relates to a method and a device for reduced pressure Gas withdrawal from pressure vessels with a filling pressure of more than 200 bar Use of a conventional pressure reducer for pressures up to 200 bar.
  • Gas is extracted from pressure vessels with a filling pressure of up to 200 bar
  • Pressure reducer enables the tank pressure to a working pressure of usually reduce below 10 bar. Under filling pressure, the pressure is at maximum filled pressure tank understood, while the tank pressure the current Pressure of the pressure vessel during gas extraction means.
  • the pressure reducers work in one or more stages. For example, you lower the pre-pressure of 200 bar on one side of the tank adjustable back pressure from 2 to 20 bar or two-stage a pre-pressure of 200 bar first to 20 bar and then from 20 bar down to 0.5 bar back pressure.
  • Such pressure reducers are used, for example, for gas extraction from bottles, Bottle battery or bundle battery systems that like compressed gases Oxygen, nitrogen, argon etc., with a filling pressure of mostly 200 bar included, used.
  • DE-27 17 363 uses gas sampling for gas analysis first pressure reducer used to generate dry gas, with which the second pressure reducer and the rest of the system are dried. Subsequently this first pressure reducer is bypassed and the gas through the second pressure reducer to the analysis unit.
  • first pressure reducer used to generate dry gas
  • this first pressure reducer is bypassed and the gas through the second pressure reducer to the analysis unit.
  • liquid ammonia from 250 bar to 9 to 12 bar and then to 1 to 2 bar two pressure reducing valves before it is liquid and cryogenic in one Container is passed.
  • the pressure-reduced gas withdrawal from pressure vessels is included a filling pressure of up to 5500 psi ( ⁇ 380 bar).
  • a conventional pressure reducer for maximum pressures up to 3000 psi ( ⁇ 207 bar) in Connection with an upstream pressure reducer for pre-pressures, for example 5500 psi ( ⁇ 380 bar) the upstream pressure reducer is operated in such a way that the upstream pressure reducer only at a tank pressure of 1500 psi ( ⁇ 103 bar) the pressure reduction essentially ended.
  • the object of the present invention is therefore for existing systems for gas supply a process for Gas sampling to develop with the consumer economical and technically simple way brought in, pressure vessels with filling pressures above 200 bar to integrate his gas systems.
  • the first pressure reducer is fully open and the second The pressure reducer alone ensures the pressure is reduced to working pressure.
  • This second pressure reducer is usually already in all gas supply systems available. The method according to the invention accordingly allows a one-time retrofitting the use of gas containers with filling pressures above and below 200 bar.
  • the method according to the invention makes it compatible of the system for, for example, 300 bar and 200 bar Gas cylinders ensured this compatibility with low technical and financial expenditure is achieved. This also increases consumer acceptance for Pressure vessel with filling pressures above 200 bar increased.
  • An advantageous variant of the method according to the invention is at a tank pressure equal to or less than 200 bar a bypassing the first pressure reducer Open the bypass line.
  • Pressure vessel with one Tank pressures equal to or less than 200 bar can be in in this case, bypassing the first pressure reducer be emptied.
  • the bypass line can be manual or automatically at container pressures of 200 bar or below be opened.
  • the line leading from gas bottle 1 to the consumer contains several pressure gauges 2, 3, 4 and a first one Pressure reducer 5, a bypass line 7 with a Control valve 6 can be opened and closed automatically can, and finally a second pressure reducer 8.
  • valve 9 By opening the valve 9, the gas extraction for the Enables consumers.
  • This system is in this embodiment by adding the first Pressure reducer 5 with pressure gauge 2 and the bypass line 7 together with valve 6 for gas extraction from an oxygen gas bottle 1 with a filling pressure of 300 bar.
  • the first pressure reducer 5 lowers the pressure the oxygen gas bottle when gas is withdrawn to 200 bar, as long as the manometer has 2 tank pressures of over 200 bar displays.
  • the gas then flows into the second Pressure reducer, the gas pressure in two stages from 200 bar to lowered to 2 bar working pressure.
  • the oxygen can now, for example Laser cutting can be used.
  • valve 6 is automatically opened so that the gas flow bypassing the first pressure reducer 5 by Bypass line 7 can flow and the gas pressure only by means of the second pressure reducer 8 to working pressure is reduced.
  • the embodiment clearly shows the technical and financial advantages of the method according to the invention, through which the gas withdrawal from pressure tanks with filling pressures above and below 200 bar with one system.

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

Claims (4)

  1. Procédé pour le prélèvement de gaz à pression réduite hors de récipients sous pression (1) dont la pression de remplissage est supérieure à 200 bar en utilisant un réducteur de pression conventionnel (8) pour des pressions allant jusqu'à 200 bar, dans lequel la pression du gaz est maintenue à ou réduite jusqu'à 200 bar ou en dessous au moyen d'un premier réducteur de pression (5) installé en amont, pour des pressions supérieures à 200 bar, et est ensuite réduite à la pression de travail au moyen d'un second réducteur de pression (8) pour des pressions allant jusqu'à 200 bar, et dans lequel, si la pression dans le récipient baisse jusqu'à une pression égale et inférieure à 200 bar au cours du prélèvement de gaz, le premier réducteur de pression (5) est entièrement ouvert et le second réducteur de pression (8) assure seul l'abaissement de la pression jusqu'à la pression de travail.
  2. Procédé pour le prélèvement de gaz à pression réduite hors de récipients sous pression (1) dont la pression de remplissage est supérieure à 200 bar en utilisant un réducteur de pression conventionnel (8) pour des pressions allant jusqu'à 200 bar, dans lequel la pression du gaz est maintenue à ou réduite jusqu'à 200 bar ou en dessous au moyen d'un premier réducteur de pression (5) installé en amont, pour des pressions supérieures à 200 bar, et est ensuite réduite à la pression de travail au moyen d'un second réducteur de pression (8) pour des pressions allant jusqu'à 200 bar, et dans lequel, en cas d'une pression dans le récipient égale et inférieure à 200 bar, une conduite de bipasse (7) contournant le premier réducteur de pression (5) est ouverte.
  3. Dispositif avec un réducteur de pression conventionnel (8) pour des pressions allant jusqu'à 200 bar pour le prélèvement de gaz à pression réduite hors de récipients sous pression (1) dont la pression de remplissage est supérieure à 200 bar, dans lequel un premier réducteur de pression (5) pour des pressions supérieures à 200 bar, qui est raccordé par une conduite au récipient sous pression (1), est installé en amont d'un second réducteur de pression (8) pour des pressions allant jusqu'à 200 bar, et dans lequel le dispositif est configuré d'une façon telle que, si la pression dans le récipient baisse jusqu'à une pression égale et inférieure à 200 bar au cours du prélèvement de gaz, le premier réducteur de pression (5) soit entièrement ouvert et que le second réducteur de pression (8) assure seul l'abaissement de la pression à la pression de travail.
  4. Dispositif avec un réducteur de pression conventionnel (8) pour des pressions allant jusqu'à 200 bar pour le prélèvement de gaz à pression réduite hors de récipients sous pression (1) dont la pression de remplissage est supérieure à 200 bar, dans lequel un premier réducteur de pression (5) pour des pressions supérieures à 200 bar, qui est raccordé par une conduite au récipient sous pression (1), est installé en amont d'un second réducteur de pression (8) pour des pressions allant jusqu'à 200 bar, dans lequel une conduite de bipasse (7) est montée en parallèle avec le premier réducteur de pression (5), laquelle comporte une soupape (6) ouvrant la conduite de bipasse (7) pour une pression dans le récipient de 200 bar.
EP92113844A 1991-08-21 1992-08-13 Procédé de prélèvement de gaz des bouteilles sous pression dont la pression de remplissage est supérieure à 200 bars Expired - Lifetime EP0532912B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4127697A DE4127697A1 (de) 1991-08-21 1991-08-21 Verfahren zur gasentnahme aus druckbehaeltern mit einem fuelldruck von ueber 200 bar
DE4127697 1991-08-21

Publications (3)

Publication Number Publication Date
EP0532912A1 EP0532912A1 (fr) 1993-03-24
EP0532912B1 EP0532912B1 (fr) 1996-01-17
EP0532912B2 true EP0532912B2 (fr) 2000-11-15

Family

ID=6438774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92113844A Expired - Lifetime EP0532912B2 (fr) 1991-08-21 1992-08-13 Procédé de prélèvement de gaz des bouteilles sous pression dont la pression de remplissage est supérieure à 200 bars

Country Status (6)

Country Link
EP (1) EP0532912B2 (fr)
AT (1) ATE133242T1 (fr)
DE (2) DE4127697A1 (fr)
ES (1) ES2082300T3 (fr)
GR (1) GR3019660T3 (fr)
NO (1) NO923272D0 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9402024U1 (de) * 1994-02-08 1994-03-31 Caratgas Flüssiggas-Versorgungs-GmbH, 42389 Wuppertal Versorgungseinrichtung für flüssiggasverbrauchende Gasmotoren
DE19531505B4 (de) * 1995-08-26 2006-07-06 Air Liquide Deutschland Gmbh Dosiervorrichtung zur Entnahme von Gasen aus einem Druckbehälter
EP1400742A1 (fr) * 2002-09-18 2004-03-24 Luxembourg Patent Company S.A. Detendeur integré
DE102011012154A1 (de) * 2011-02-24 2012-08-30 Linde Ag Vorrichtung zur Druckreduzierung
EP3534073B1 (fr) * 2018-02-28 2021-04-28 Sotin Chemische und technische Produkte GmbH & Co. KG Système de remplissage de vase pour vases d'expansion à membrane

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL21861C (fr) * 1925-12-30
DE2717363A1 (de) * 1977-04-20 1978-10-26 Draegerwerk Ag Verfahren und vorrichtung zur entnahme von druckgasen fuer die gasanalyse

Also Published As

Publication number Publication date
DE4127697A1 (de) 1993-02-25
EP0532912B1 (fr) 1996-01-17
GR3019660T3 (en) 1996-07-31
DE59205085D1 (de) 1996-02-29
ES2082300T3 (es) 1996-03-16
NO923272D0 (no) 1992-08-20
EP0532912A1 (fr) 1993-03-24
ATE133242T1 (de) 1996-02-15

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