WO2016048162A1 - Procédé et appareil pour le traitement de récipients sous pression - Google Patents

Procédé et appareil pour le traitement de récipients sous pression Download PDF

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Publication number
WO2016048162A1
WO2016048162A1 PCT/NO2015/050171 NO2015050171W WO2016048162A1 WO 2016048162 A1 WO2016048162 A1 WO 2016048162A1 NO 2015050171 W NO2015050171 W NO 2015050171W WO 2016048162 A1 WO2016048162 A1 WO 2016048162A1
Authority
WO
WIPO (PCT)
Prior art keywords
nitrogen
pressure
afterheater
pipe
tank
Prior art date
Application number
PCT/NO2015/050171
Other languages
English (en)
Inventor
Olav Gamlem
Guttorm DYBVIK
Original Assignee
Naturgass Möre As
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 Naturgass Möre As filed Critical Naturgass Möre As
Publication of WO2016048162A1 publication Critical patent/WO2016048162A1/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
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/014—Nitrogen
    • 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
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • 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
    • 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
    • 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
    • F17C2225/0146—Two-phase
    • F17C2225/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2225/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, 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
    • 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
    • F17C2225/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2225/035—High pressure, i.e. between 10 and 80 bars
    • 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
    • F17C2227/0309—Heat exchange with the fluid by heating using another fluid
    • F17C2227/0311—Air heating
    • F17C2227/0313—Air heating by forced circulation, e.g. using a fan
    • 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
    • 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
    • F17C2227/044—Methods for emptying or filling by purging
    • 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
    • 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
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • 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
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0171—Trucks

Definitions

  • the present invention relates to a method for treatment of pressure vessels for cryogenic or explosive fluids, according to the preamble of claim 1. According to another aspect, the invention relates to an apparatus suitable for carrying out the method, according to the preamble of claim 11.
  • LNG Liquefied Natural Gas
  • the ship When a ship has LNG (Liquefied Natural Gas) as fuel, the ship has a fuel tank for LNG on board.
  • the tank For servicing, maintenance and repair of such tanks, the tank must be drained and the gas phase released. This is normally done by pumping liquid nitrogen at minus 196 ° C into the tank, via an exchanger on the cooling water from the ship engine. The ship's capacity on such exchangers is low.
  • gas may only be supplied the tank via the upper charge connecting stub and not the lower charge connecting stub.
  • This type of handling implies that emptying a tank for ignitable/ explosive gas takes m any hours. In some cases it is a requirement that the tank is brought up to ambient temperature, which implies even additional hours for the entire process.
  • Pressure testing of vessels must be performed with a certain regularity for the tanks to be certified for use. Pressure testing is a process that takes time and must be performed using specific plants for this purpose. It would be more efficient if such testing could be carried out more locally and with portable equipment.
  • US Patent No. 5,101,637 discloses a lightweight portable apparatus for recovery of condensable halocarbons.
  • the apparatus comprises two containers, one that is substantially cryogen and adapted to contain refrigerant. Refrigerant from this container is arranged to flow in contact with the second container. Th us the second container is arranged so as to be cooled to condense condensable gases therein.
  • the equipment is not intended for or suited for emptying or pressure testing pressure tanks for cryogenic or explosive gases.
  • the present invention is a.
  • Advantages of the present method and utilization of the apparatus according to the second aspect of the present invention are exactly fast and secure emptying of vessels, such as ships tanks for LNG.
  • the size of the apparatus of the present invention can be varied as required. A typical size, however, is within what is permitted placed on a trailer for a medium-sized passenger car. Typical maximum dimensions for this is thus a width of 2 meters and a length of 4 meters. This apparatus is capable of fast and safe treatment of tanks of up to 1000 m 3 or more.
  • Figure 1 is a schematic and simplified side view, partially sectional, of an embodiment of the apparatus of the present invention
  • Figure 2 is a schematic and simplified rear sectional view of the apparatus shown in Figure 1;
  • Figure 3 is a schematic and simplified front view of the apparatus shown in Figures 1 and 2;
  • Figure 4 shows the apparatus of Figure 1 on a trailer
  • Figure 5 shows schematically and simplified a relevant application of the apparatus.
  • FIG 1 shows an embodiment of an apparatus 11 according to the present invention.
  • a pressure-builder 12, an afterheater 13 with an inlet 13a, an inlet connecting stub 14 and an outlet connection stub 15 is shown.
  • a fan 16 suitable to blow ambient air through pressure-builder 12 to help reduce frost on the heat exchange tube therein is shown.
  • the afterheater 13 arranged inclined with the inlet end 13a lowest, so that vaporized medium (nitrogen) to the highest possible degree may flow back from the area near the outlet spigot to have time to evaporate before it leaves the afterheater 13. In many situations it is preferred that all nitrogen leaving the afterheater is evaporated.
  • a tube 21 which passes through pressure-builder 12 between connection port 14 and the inlet 13a by the heater 13 is shown with dotted lines.
  • the tube 21 is passed back and forth a number of times for maximum heat exchange with the air in pressure-builder 12, in Figure 1 schematically illustrated with only three through-.
  • the pressure-builder 12 may also be referred to as an evaporator because liquid nitrogen charged to the inlet charge stub and passed through the pipe 21, will gradually evaporate as a result of the heat exchange with the ambient air.
  • Figure 2 shows the apparatus from behind, i.e. from the side where the connection stub 14 and outlet stub 15 are located.
  • heat exchanging tube 21 with fins 22 for efficient heat transfer between the ambient air and the medi um in the pipe are shown.
  • the pipe 21 runs back and forth in the pressure-builder 12 and connects the connection stub 14 to the inlet 13a of the afterheater 13.
  • the afterheater is typically electrically heated and having a capacity of several kW, typically 10 to 15 kW.
  • Figure 2 also shows a frame 23 or chassis on which the apparatus is preferably mounted to allow easy transportation as an integral unit.
  • Figure 3 shows a front view of the apparatus, in which a fan 16 is arranged to blow air through the pressure-builder to thereby blow away moisture and incipient frost from the surface of the tube (21) so that the heat transfer capacity is maintained.
  • an opportunity for "bypass" from the inlet to the outlet may advantageously be provided, so that nitrogen can be directed passed the pressure- builder as well as the afterheater during periods or applications where there is no need for heating.
  • FIG. 4 shows the apparatus positioned on a trailer 41 for transportation. It should be emphasized that the apparatus can be used in the shown position while placed on the trailer. Additional mountings at the site of use, other than connection of hoses into and out from the apparatus, is not required.
  • Figure 5 shows schematically how the apparatus 12 at a site of use is connected between a tank truck 51 for liquid nitrogen and the tank 52 for treatment in question. It should be underlined that the mutual dimensions not necessarily are correct, and that the tank can be significantly larger than illustrated in the figure, compared to the appa ratus 11.
  • the mobile apparatus according to the present invention can be parked alongside e.g. a tank truck containing liquid nitrogen and the tank truck is connected to the inlet connection stub 14 with its cryogenic hose.
  • Liquid nitrogen is evaporated with high capacity as it is directed through the pressure- builder 12 and the afterheater 13 so that all liquid phase is converted to gaseous phase before it is directed through the cryogenic charging hose to the ship's charge stub.
  • the mobile pressure-builder also includes a fan which increases the air flow between the lamellas of the pressure-builder and contributes to increased capacity as well as efficiency.
  • Example 1 We made a 6 year pressure testing of a tank truck
  • Liquid nitrogen is again supplied through the apparatus according to the invention at the same temperature as during the initiating of the pressure testing.
  • the tank truck with liquid nitrogen is connected to the apparatus according to the invention which in turn is connected to the ship's tank to be emptied and optionally pressure tested.
  • Liquid nitrogen is supplied via the apparatus of the invention at minus 196 °C.
  • the nitrogen is heated until in gaseous form and the ship's tank is "flushed” by allowing the gas to pass through the tank and out from the tank's ventilation pipe (cold stack). • The nitrogen is gradually heated according to the producers specification and flushing continues until the tank no longer holds ignitable gas and until specified temperature is reached.
  • Optional pressure testing of the tank may be conducted as described in example 1.
  • the tank can again be cooled as in the previous example.
  • the apparatus according to the present invention may be used for safe and quick emptying of pressure tanks, alternatively for pressure testing of such tanks as well as a combination of emptying and pressure testing of such tanks.
  • the method and the apparatus are particularly intended for cryogenic tanks and/ or tanks for explosive fluids but may also be used for pressure tanks for other fluids.
  • Time saved in time compared to conventional operating involving purging of a pressure tank is of magnitude 30-50 %.
  • the supply of nitrogen is conducted in at least two steps, a first step in which liquid nitrogen is supplied and at least one additional step in which gaseous nitrogen is supplied.
  • the temperature of the liquid nitrogen can then be gradually increased using the afterheater.
  • the nitrogen is transported from an inlet connection stub 14 in the direction towards outlet connection stub 15, through the pipe 21 which is arranged in back and forth running loops in the pressure-builder 12 in which the pipe is surrounded by air, so that the cold nitrogen is subjected to heat exchange with the ambient air.
  • air is circulated passed the back and forth running pipe 21 through which the nitrogen is transported to limit the formation of frost on the pipe 21.
  • the afterheater 13 is preferably oriented inclined, sloping upwards from its inlet 13a towards its outlet, so that non-gasified nitrogen is allowed to flow back and become gasified before leaving the afterheater.
  • the method according to the invention further comprises closing the pressure tank and conducting a pressure test of same according to regulations.
  • the method comprises purging or flushing the pressure tank for any residual explosive fluid.
  • the flushing or purging can take place in an operational phase of gradually increasing temperature of the nitrogen applied.
  • purging can take place in a further and subsequent operational phase at gradually decreasing temperature of the nitrogen supplied, to prepare the tank for receiving new cold material.
  • the apparatus is typically arranged on - or comprises - a chassis or a frame with a dimension rendering it suitable for being placed on a trailer for a car.
  • the frame typically has a maximum width of 2 meters and a maximum length of 4 meters, allowing it to be transported behind an ordinary automobile.
  • the apparatus is substantially horizontally arranged both during transportation and use, sp that the back and forth running pipe is arranged substantially horizontally and such that assembly of the apparatus is not required. It can be operated from its position on a trailer.

Landscapes

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

Abstract

L'invention concerne un procédé et un appareil permettant le traitement de récipients sous pression pour des fluides cryogéniques ou explosifs, comprenant l'alimentation d'un gaz inerte sous la forme d'azote audit récipient sous pression à partir d'un réservoir d'azote maintenu à une température à laquelle l'azote est liquide. L'azote est dirigé à travers un appareil (11) permettant un échange de chaleur contre l'air ambiant, ainsi qu'un chauffage forcé dans un dispositif de chaleur résiduelle. L'alimentation au récipient sous pression peut avoir la forme d'azote liquide, d'azote gazeux ainsi qu'une combinaison d'azote liquide et d'azote gazeux.
PCT/NO2015/050171 2014-09-23 2015-09-23 Procédé et appareil pour le traitement de récipients sous pression WO2016048162A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20141152 2014-09-23
NO20141152 2014-09-23

Publications (1)

Publication Number Publication Date
WO2016048162A1 true WO2016048162A1 (fr) 2016-03-31

Family

ID=55581542

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2015/050171 WO2016048162A1 (fr) 2014-09-23 2015-09-23 Procédé et appareil pour le traitement de récipients sous pression

Country Status (1)

Country Link
WO (1) WO2016048162A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018004050A1 (de) 2017-06-12 2018-12-13 Scania Cv Ab Anordnung, System und Verfahren zum Behandeln eines geschlossenen Behälters

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191395A (en) * 1963-07-31 1965-06-29 Chicago Bridge & Iron Co Apparatus for storing liquefied gas near atmospheric pressure
US20030228707A1 (en) * 2002-04-25 2003-12-11 David Meneses Method and system for sampling cryogenic liquids, and air separation unit provided with at least one such system
KR100733157B1 (ko) * 2006-08-28 2007-06-28 모던산업가스(주) Ｌｎｇ선박 냉각시험 및 치환용 질소공급시스템
WO2009109505A1 (fr) * 2008-03-07 2009-09-11 Messer Group Gmbh Dispositif et procédé de prélèvement de gaz hors d'un contenant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191395A (en) * 1963-07-31 1965-06-29 Chicago Bridge & Iron Co Apparatus for storing liquefied gas near atmospheric pressure
US20030228707A1 (en) * 2002-04-25 2003-12-11 David Meneses Method and system for sampling cryogenic liquids, and air separation unit provided with at least one such system
KR100733157B1 (ko) * 2006-08-28 2007-06-28 모던산업가스(주) Ｌｎｇ선박 냉각시험 및 치환용 질소공급시스템
WO2009109505A1 (fr) * 2008-03-07 2009-09-11 Messer Group Gmbh Dispositif et procédé de prélèvement de gaz hors d'un contenant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018004050A1 (de) 2017-06-12 2018-12-13 Scania Cv Ab Anordnung, System und Verfahren zum Behandeln eines geschlossenen Behälters

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