EP0532912B1 - 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 PDFInfo
- Publication number
- EP0532912B1 EP0532912B1 EP92113844A EP92113844A EP0532912B1 EP 0532912 B1 EP0532912 B1 EP 0532912B1 EP 92113844 A EP92113844 A EP 92113844A EP 92113844 A EP92113844 A EP 92113844A EP 0532912 B1 EP0532912 B1 EP 0532912B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- bar
- gas
- reducer
- filling
- 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
Links
Images
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 reducing the pressure of gas from pressure vessels with a filling pressure of over 200 bar using a conventional pressure reducer for pressures up to 200 bar.
- the gas withdrawal from pressure tanks with a filling pressure of up to 200 bar is made possible by means of pressure reducers, which reduce the tank pressure to a working pressure of usually less than 10 bar.
- Filling pressure is understood to mean the pressure when the pressure container is filled to the maximum, while the container pressure means the current pressure of the pressure container during gas extraction.
- the pressure reducers work in one or more stages. For example, you lower the pre-pressure on the tank side from 200 bar to a controllable back pressure of 2 to 20 bar on the side of the consumer or in two stages a pre-pressure of 200 bar first to 20 bar and then from 20 bar to 0.5 bar back pressure.
- Such pressure reducers are used, for example, for gas extraction from bottles, cylinder battery or bundle battery systems which contain compressed gases, such as oxygen, nitrogen, argon etc., with a filling pressure of usually 200 bar.
- a first pressure reducer for generating dry gas is used for gas sampling during gas analysis, with which the second pressure reducer and the rest of the system are dried. This first pressure reducer is then bypassed and the gas is passed through the second pressure reducer to the analysis unit.
- liquid ammonia is brought from 250 bar to 9 to 12 bar and then to 1 to 2 bar by means of two pressure reducing valves before it is passed liquid and cryogenic into a container.
- the consumer must equip himself with a system for pressure vessels with over 200 bar (e.g. 300 bar) and a second system for pressure vessels up to 200 bar (e.g. 200 or 150 bar) if they remain flexible and are not completely wants to commit to a certain filling pressure.
- a system for pressure vessels with over 200 bar (e.g. 300 bar) and a second system for pressure vessels up to 200 bar (e.g. 200 or 150 bar) if they remain flexible and are not completely wants to commit to a certain filling pressure.
- the consumer essentially only needs a pressure reducer which is connected upstream of his previous gas supply system.
- This first pressure reducer reduces the pressure to or below 200 bar when using pressure vessels with a filling pressure above 200 bar during gas extraction, so that after this first reduction the pressure can be reduced to working pressure by means of a second pressure reducer.
- the first pressure reducer is fully open and the second pressure reducer alone reduces the pressure to working pressure.
- This second pressure reducer is usually already available in all gas supply systems. The method according to the invention therefore allows the use of gas containers with filling pressures above and below 200 bar by a single retrofitting.
- the first pressure reducer has no effect since it is fully open and the system operates as usual.
- the method according to the invention ensures compatibility of the system for, for example, 300 bar and 200 bar gas bottles, this compatibility being achieved with little technical and financial outlay. This also increases consumer acceptance for pressure vessels with filling pressures above 200 bar.
- An advantageous variant of the method according to the invention consists in opening a bypass line which bypasses the first pressure reducer at a container pressure of equal to or less than 200 bar.
- a bypass line which bypasses the first pressure reducer at a container pressure of equal to or less than 200 bar.
- pressure vessels with a vessel pressure equal to or less than 200 bar can be emptied by bypassing the first pressure reducer.
- the bypass line can be opened manually or automatically at tank pressures of 200 bar or below.
- an oxygen gas bottle 1 with a filling pressure of 300 bar and a system for extracting gas from this pressure vessel according to the invention are schematically shown as pressure vessels.
- the line leading from the gas bottle 1 to the consumer contains several pressure gauges 2, 3, 4 as well as a first pressure reducer 5, a bypass line 7, which can be opened and closed automatically with a control valve 6, and finally a second pressure reducer 8.
- the second pressure reducer 8 corresponds to the previous system for gas extraction from pressure vessels with filling pressures up to a maximum of 200 bar.
- this system is suitable for adding gas from an oxygen gas bottle 1 with a filling pressure of 300 bar by adding the first pressure reducer 5 with pressure gauge 2 and the bypass line 7 together with valve 6.
- the first pressure reducer 5 lowers the pressure of the oxygen gas bottle to 200 bar when gas is withdrawn, as long as the pressure gauge 2 indicates container pressures of over 200 bar.
- the gas then flows into the second pressure reducer, which lowers the gas pressure in two stages from 200 bar to 2 bar working pressure.
- the oxygen can now be used, for example in laser cutting.
- the valve 6 is automatically opened so that the gas flow can bypass the first pressure reducer 5 through the bypass line 7 and the gas pressure is reduced to working pressure only by means of the second pressure reducer 8.
- the system according to the invention is of course also suitable for taking gas from oxygen gas bottles with a filling pressure equal to or below 200 bar.
- the exemplary embodiment clearly shows the technical and financial advantages of the method according to the invention, by means of which the gas removal from pressure containers with filling pressures above and below 200 bar is possible with one system.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Claims (4)
- 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) pour des pressions supérieures à 200 bar, installé en amont, 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.
- Procédé selon la revendication 1, caractérisé en ce qu'en cas d'une pression dans le récipient égale ou inférieure à 200 bar, une conduite de bipasse (7) contournant le premier réducteur de pression (5) est ouverte.
- 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.
- Dispositif suivant la revendication 3, caractérisé en ce qu'une conduite de bipasse (7) comportant une vanne (6) est montée en parallèle avec le premier réducteur de pression (5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4127697 | 1991-08-21 | ||
DE4127697A DE4127697A1 (de) | 1991-08-21 | 1991-08-21 | Verfahren zur gasentnahme aus druckbehaeltern mit einem fuelldruck von ueber 200 bar |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0532912A1 EP0532912A1 (fr) | 1993-03-24 |
EP0532912B1 true EP0532912B1 (fr) | 1996-01-17 |
EP0532912B2 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)
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)
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 |
-
1991
- 1991-08-21 DE DE4127697A patent/DE4127697A1/de not_active Withdrawn
-
1992
- 1992-08-13 EP EP92113844A patent/EP0532912B2/fr not_active Expired - Lifetime
- 1992-08-13 DE DE59205085T patent/DE59205085D1/de not_active Expired - Fee Related
- 1992-08-13 ES ES92113844T patent/ES2082300T3/es not_active Expired - Lifetime
- 1992-08-13 AT AT92113844T patent/ATE133242T1/de not_active IP Right Cessation
- 1992-08-20 NO NO923272A patent/NO923272D0/no unknown
-
1996
- 1996-04-17 GR GR960401041T patent/GR3019660T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
EP0532912B2 (fr) | 2000-11-15 |
ES2082300T3 (es) | 1996-03-16 |
NO923272D0 (no) | 1992-08-20 |
GR3019660T3 (en) | 1996-07-31 |
EP0532912A1 (fr) | 1993-03-24 |
DE4127697A1 (de) | 1993-02-25 |
DE59205085D1 (de) | 1996-02-29 |
ATE133242T1 (de) | 1996-02-15 |
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