EP1733166A1 - Procede de remplissage d'un contenant avec du gaz - Google Patents

Procede de remplissage d'un contenant avec du gaz

Info

Publication number
EP1733166A1
EP1733166A1 EP05714199A EP05714199A EP1733166A1 EP 1733166 A1 EP1733166 A1 EP 1733166A1 EP 05714199 A EP05714199 A EP 05714199A EP 05714199 A EP05714199 A EP 05714199A EP 1733166 A1 EP1733166 A1 EP 1733166A1
Authority
EP
European Patent Office
Prior art keywords
gas
container
filling
expanded material
electrically conductive
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.)
Ceased
Application number
EP05714199A
Other languages
German (de)
English (en)
Inventor
Franz Stuhlbacher
Erich Stuhlbacher
Georg Kocevar
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.)
Exess Engineering GmbH
Original Assignee
Exess Engineering GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exess Engineering GmbH filed Critical Exess Engineering GmbH
Publication of EP1733166A1 publication Critical patent/EP1733166A1/fr
Ceased legal-status Critical Current

Links

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
    • 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
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • F17C13/123—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0119—Shape cylindrical with flat end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/06—Vessel construction using filling material in contact with the handled fluid
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0639—Steels
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion
    • 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
    • F17C2270/05—Applications for industrial use

Definitions

  • the invention relates to a method for filling a container with gas, gas being introduced into the container under compression.
  • the invention further relates to the use of electrically conductive stretch material.
  • the invention comprises a gas container, in particular one
  • High pressure gas bottle for storing gases under pressures of more than 50 bar, especially more than 200 bar.
  • Flammable gases such as methane or ethane are important sources of energy for a large number of processes. Usually, such gases are transported
  • Gas containers are stored, which makes it possible to easily transport the gases and thus the energy sources to the place of need or to carry them with a working device.
  • gases are introduced into the gas containers under compression, with pressures of up to several hundred bar being used.
  • the gas containers have to be filled less frequently and therefore less often to be transported to a refilling system, the higher the pressure when filling.
  • the aim of the invention is now to provide a method of the type mentioned at the beginning with which a high degree of filling is achieved at a given volume and pressure and in which containers with a smaller wall thickness can be used without a safety risk.
  • Another object of the invention is to illustrate the use of electrically conductive stretch material.
  • the procedural aim of the invention is achieved in that, in a generic method, electrically conductive expanded material is introduced into the container before filling with gas.
  • stretch material introduced is electrically conductive. This reduces the risk of a critical ignition voltage being reached locally during filling.
  • the stretch material is introduced with a volume fraction of the total volume of the container of 0.5 to 8.5 percent, preferably 1.0 to 5.0 percent.
  • a volume fraction of at least 0.5, better at least 1.0 percent, is appropriate for a good cooling effect. Volume proportions higher than 8.5 percent contribute less to a cooling effect and disadvantageously increase the weight of the gas container. In terms of good cooling with low weight, a volume fraction of the expanded material is kept below 5.0 percent.
  • the stretch material is introduced in the form of individual spherical or cylindrical structures.
  • Such spherical or cylinder-like structures can be produced as described in patent application EP 0 669 176 A2 and the content of this patent application is hereby expressly included in its entire scope.
  • a gas jet entering the container is split into partial jets at many points by means of a multiplicity of individual spherical / cylinder-like structures which are oriented in any desired manner relative to one another. This very effectively reduces the risk of pressure peaks occurring.
  • the incoming gas comes into contact with different surfaces of the expanded material and can therefore be cooled at many points simultaneously and thus quickly.
  • the stretch material is arranged ascending from a bottom of the container. Any oil present in the container, which, for example, has accidentally entered the container during filling, is then fixed to the floor by the expanded material and cannot escape when gas is withdrawn. In order to achieve uniform cooling and a very efficient splitting of an incoming gas jet, it can be expedient for the stretch material to be distributed evenly over the entire volume of the container.
  • a method according to the invention proves itself with respect to a reduction in
  • a vessel made of steel is used as the container.
  • heat absorbed by the expanded material can be dissipated to the steel and a cooling effect can be increased by dissipating heat to the outside.
  • expanded material made of a light metal is used. Expanded material made of aluminum or an aluminum alloy has proven to be outstanding in this regard, because the highest fill level increases can be achieved with low weight.
  • a degree of filling can be increased even further if surface-treated expanded material is used to increase the conductivity.
  • the further object of the invention is achieved by using electrically conductive stretch material when compressing gases.
  • electrically conductive stretch material can have a cooling effect, so that heating of a gas when compressed can be counteracted.
  • stretch material is suitable for splitting a gas jet into partial jets, as a result of which Pressure peaks can be reduced.
  • stretch material can serve as an oil trap.
  • the stretch material is formed from light metal.
  • Metallic containers or those made of plastic or composite materials, for example combinations of metal and plastic, can be used as gas containers. Because of their physical properties, suitable plastics are, in particular, those from the Armide group, for example polyamides sold under the trade name Kevlar.
  • the gas container is a steel bottle, good heat dissipation to the outside can be achieved and a high degree of filling can be achieved when the expanded material and the gas container come into contact.
  • a gas container in particular a high-pressure gas bottle, for storing gases under pressures of more than 50 bar, in particular more than 200 bar, which can be filled with a large amount of gas at a given pressure, is achieved if the gas container is electrically conductive Expanded material included.
  • the gas container can be filled with a larger amount of gas than previously at a given pressure.
  • expanded material reduces pressure peaks caused by the gas introduced and an inner wall of the
  • a further advantage can be seen in the fact that electrically conductive stretch material counteracts reaching an ignition voltage because high local electrostatic voltages in the interior are at least largely avoided by dissipation via the stretch material. It is favorable if the stretch material has a volume fraction of the total volume of the container of 0.5 to 8.5 percent, preferably 1.0 to 5.0 percent.
  • entering gas can be split into many partial jets and can therefore be brought into contact with stretch material on many different surfaces, whereby pressure peaks can be minimized and cooling effects can be maximized.
  • the expanded material can be arranged rising from a bottom of the container.
  • Effective gas cooling and a reduction in pressure peaks throughout the interior of the container can be achieved if the stretch material is evenly distributed throughout the volume of the container.
  • stretch material in the region of an opening in the gas container.
  • incoming gas is split into partial jets as it enters and cooled at the point of entry.
  • the result is that during of the filling process
  • a filling tube protruding into the cavity contains several smaller, equally spaced outlet openings, in their
  • an electrically conductive filler body formed from expanded material can be arranged in the upper filling area, which is designed as a properly hanging bag and is attached to the underside of the lid as a partial filler. This results in better filling since the temperature does not rise during the filling process.
  • the electrical charge generated here is discharged in the filling area.
  • a filler is arranged in the upper filling area, which fills the cross-section of the container in a sieve shape and corresponds to a height of 1/10 to 1/20 of the container height. This ensures even filling, which also makes a significant contribution to avoiding pressure surges.
  • the packing is stored in a support ring with a support grid attached to it and consists of exchangeable packings. It is therefore easy to replace the packing, for example for cleaning purposes.
  • the packing is connected to the casing of the container via an earth line.
  • the electrical charge is thus discharged in a simple manner with a common earth line.
  • the filler serves as a flame barrier and dampens the pressure surges during the filling process. This enables safe filling. In this way, emerging sources of danger, such as an explosion or the like, are nipped in the bud.
  • Figure 1 shows a longitudinal section of a gas container with a filling tube
  • Figure 2 shows a longitudinal section of a gas container for larger dimensions
  • Figure 3 shows a longitudinal section of a gas container with partial filling
  • Figure 4 longitudinal section with storage of expanded material
  • Figure 5 section of the bearing.
  • Stretch material made from a surface-treated aluminum alloy foil was produced as described in EP 0 669 176 A2.
  • the isolated so obtained cylindrical structures were filled in three different high-pressure gas cylinders made of steel, which were designed for pressures up to 500 bar.
  • the plug-in material was ascending from the bottom, with expanded material being used in a volume fraction of 1.5 percent by volume, based on the free inner volume of the gas container. High-pressure gas bottles without expanded material were used for comparison purposes.
  • the high-pressure gas bottles filled with expanded material and the unfilled high-pressure gas bottles were then filled with methane gas (CH), the gas being compressed by a compressor to pressures from about 200 bar (examples 1 and 2) to about 300 bar (examples 5 and 6).
  • CH methane gas
  • the gas temperature was measured in the interior of the high-pressure gas cylinders.
  • the table below shows the results of the filling, based on 100 L filling volume.
  • Filled high-pressure gas cylinders as described above are used in a variety of ways.
  • the use of such high-pressure gas cylinders for gas-powered vehicles, in particular cars, has proven to be a particularly advantageous application.
  • a higher fill level is immediately reflected in a larger range.
  • it is important from a safety point of view that by reducing pressure peaks, downstream valves and diaphragms are protected even when gas is withdrawn. Repair effort is low.
  • the high safety requirements for fuel containers in the area of passenger transport are also met insofar as electrically conductive stretch material reduces internal friction and thus counteracts electrostatic charging.
  • Fig. 1 shows a gas container 1 whose jacket 2 is tubular and contains an inwardly curved bottom 3 on the underside. At the upper end there is a flange 4, which can be closed with a cover 5 by means of screw 6. In the middle of the cover 5 there is a filler neck 7 on which a valve 8 is seated.
  • a filling pipe 9 is guided into the interior of the gas container 1.
  • An outlet opening 10 of the filling pipe 9 is selected such that it lies in the geometric mean of the gas container 1.
  • a filler 11 made of electrically conductive expanded material is introduced.
  • the electrical discharge 12 that occurs here when filling is indicated as a dotted circle.
  • an earth line 13 is attached, which leads together with the earth line of the jacket 2 to the outside.
  • Fig. 2 shows a gas container 1, which consists in the same way of a jacket 2 and is closed at the bottom with an inwardly curved bottom 3.
  • a flange 4 is fastened to the upper side, which is closed with a cover 5 by means of screw 6.
  • a filler pipe 14 is guided through the filler neck 7 and now leads further down into the interior of the gas container 1.
  • the filling tube 14 contains a number of smaller outlet openings 15, for example at equal intervals, through which medium to be filled enters the gas container 1.
  • the electrical charge 16 forms at the outlet openings 15 and is indicated with a dotted circle in each case. In this circle, the earth line 13 is now attached, which leads to the jacket 2 and is derived to the outside.
  • This training is not only suitable for larger gas bottles, but is also intended for tank wagons or other large stationary facilities for the storage of flammable, gaseous or liquid media.
  • FIG. 3 shows a further variant of a gas container 17, which consists of a tubular jacket 18 and is closed at the bottom with an inwardly curved bottom 19.
  • a flange 20 is welded to the jacket 18, which can be closed by means of a cover 21 by screwing 22.
  • a filler neck 23 is arranged in the middle of the cover 21.
  • a bag 24, e.g. made of expanded material, in which the filling body 25, also formed from electrically conductive plug material, is filled as a partial filling. From this filler 25, an earth line 26 leads to the jacket 18 and afterwards the electrical charge that occurs during filling in the development phase during the filling process to the outside.
  • FIG. 4 shows another variant of a gas container 17, the tubular jacket 18 of which is closed on the underside by an inwardly curved bottom 19.
  • the jacket 18 is fastened with a flange 20, which in turn is provided with a cover 21, which is closed by a screw connection 22.
  • the filler neck 23 is arranged in the middle.
  • a support ring 27 is fastened, which can be designed, for example, as an angle ring.
  • a support grid 28 is attached, on which a filler 29 is located.
  • This filler 29 consists of an electrically conductive stretch material, which advantageously consists of a number of packs and can also be replaced if necessary.
  • the height of these packings corresponds to approximately 1/10 to 1/20 of the height of the gas container 17.
  • the earth line 26 is connected directly to the filler 29 and prevents the electrical charge occurring when the medium is filled.
  • FIG. 5 shows section A of FIG. 4, the design of the support ring 27 being more clearly emphasized.
  • This support ring 27 is preferably designed as an angular ring and has an inwardly directed leg.
  • a support grid 28 is attached on this Leg of the support ring 27, a support grid 28 is attached.
  • gas containers 1, 17 are also suitable for at least partial filling with liquid media, such as solutions, for example toluene or silicone oil. This is important because the refueling intervals for both mobile and stationary facilities are significantly shortened and therefore lower costs because the location stations do not have to be approached as often.

Landscapes

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

Abstract

L'invention concerne un procédé de remplissage d'un contenant avec du gaz, consistant à introduire du gaz sous compression dans le contenant. L'invention vise à augmenter la quantité de gaz pouvant être remplie dans le contenant et à supprimer des pointes de pression de gaz. A cet effet, un diluant électroconducteur est introduit dans le contenant avant remplissage avec du gaz. L'invention concerne également un contenant de gaz, notamment une bouteille de gaz haute pression destinée à l'approvisionnement de gaz à des pressions supérieures à 50 bar, notamment supérieures à 200 bar, contenant un diluant électroconducteur. Les contenants de gaz (1) selon l'invention permettent d'obtenir un niveau de remplissage plus élevé à une pression donnée. La suppression de pointes de pression de gaz à l'intérieur des contenants permet d'employer des contenants d'épaisseur réduite, sans que cela ne présente de danger.
EP05714199A 2004-04-09 2005-04-05 Procede de remplissage d'un contenant avec du gaz Ceased EP1733166A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0062504A AT501577B1 (de) 2004-04-09 2004-04-09 Verfahren zum befüllen eines behältnisses mit einem gas
PCT/AT2005/000118 WO2005098307A1 (fr) 2004-04-09 2005-04-05 Procede de remplissage d'un contenant avec du gaz

Publications (1)

Publication Number Publication Date
EP1733166A1 true EP1733166A1 (fr) 2006-12-20

Family

ID=34963031

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05714199A Ceased EP1733166A1 (fr) 2004-04-09 2005-04-05 Procede de remplissage d'un contenant avec du gaz

Country Status (10)

Country Link
US (2) US7913723B2 (fr)
EP (1) EP1733166A1 (fr)
JP (1) JP2007532847A (fr)
AT (1) AT501577B1 (fr)
BR (1) BRPI0509741A (fr)
CA (1) CA2563384A1 (fr)
MX (1) MXPA06011533A (fr)
TW (1) TW200639347A (fr)
WO (1) WO2005098307A1 (fr)
ZA (1) ZA200608386B (fr)

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EP2788667A1 (fr) * 2011-12-05 2014-10-15 Blue Wave Co S.A. Récipient sous pression et procédé de chargement de gnc dans un récipient sous pression
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EP3620756B1 (fr) * 2018-09-10 2021-07-14 Deutsches Institut für Lebensmitteltechnik e.V. Boîtier résistant à la pression doté d'une traversée de courant

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Also Published As

Publication number Publication date
AT501577A1 (de) 2006-09-15
MXPA06011533A (es) 2007-05-23
CA2563384A1 (fr) 2005-10-20
US7913723B2 (en) 2011-03-29
ZA200608386B (en) 2007-11-28
BRPI0509741A (pt) 2007-09-25
JP2007532847A (ja) 2007-11-15
WO2005098307A1 (fr) 2005-10-20
US20070272324A1 (en) 2007-11-29
US8267128B2 (en) 2012-09-18
AT501577B1 (de) 2007-05-15
US20110132915A1 (en) 2011-06-09
TW200639347A (en) 2006-11-16

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