US3886885A - Container system for the storage and/or transportation of liquefied gas - Google Patents

Container system for the storage and/or transportation of liquefied gas Download PDF

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Publication number
US3886885A
US3886885A US354887A US35488773A US3886885A US 3886885 A US3886885 A US 3886885A US 354887 A US354887 A US 354887A US 35488773 A US35488773 A US 35488773A US 3886885 A US3886885 A US 3886885A
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United States
Prior art keywords
receptacles
network
gas
liquid
liquefied gas
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Expired - Lifetime
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US354887A
Inventor
Rudolf Becker
Wolfgang Becker
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Linde GmbH
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Linde GmbH
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    • 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
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/002—Storage in barges or on 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved 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
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • 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
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • 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
    • F17C2201/05—Size
    • F17C2201/054—Size medium (>1 m3)
    • 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
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • 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
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0617—Single wall with one layer
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more vessels
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more vessels
    • F17C2205/0134—Two or more vessels characterised by the presence of fluid connection between vessels
    • F17C2205/0142—Two or more vessels characterised by the presence of fluid connection between vessels bundled in parallel
    • 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
    • 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
    • F17C2205/0332—Safety valves or pressure relief 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
    • 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
    • F17C2205/0352—Pipes
    • F17C2205/0358—Pipes coaxial
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/221—Welding
    • 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
    • F17C2221/011—Oxygen
    • 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
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
    • F17C2223/042—Localisation of the removal point
    • F17C2223/046—Localisation of the removal point in the liquid
    • F17C2223/047—Localisation of the removal point in the liquid with a dip tube
    • 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
    • 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
    • F17C2225/04—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by other properties of handled fluid after transfer
    • F17C2225/042—Localisation of the filling point
    • F17C2225/046—Localisation of the filling point in the liquid
    • F17C2225/047—Localisation of the filling point in the liquid with a dip tube
    • 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
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps
    • 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
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0192—Propulsion of the fluid by using a working 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/036—Control means using alarms
    • 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
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/036—Avoiding leaks
    • 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
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/037—Handling leaked 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • 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
    • F17C2265/03—Treating the boil-off
    • F17C2265/032—Treating the boil-off by recovery
    • 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
    • F17C2265/03—Treating the boil-off
    • F17C2265/032—Treating the boil-off by recovery
    • F17C2265/033—Treating the boil-off by recovery with cooling
    • F17C2265/034—Treating the boil-off by recovery with cooling with condensing the gas phase
    • 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
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground
    • 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
    • F17C2270/0173—Railways
    • 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
    • F17C2270/0178—Cars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/901—Liquified gas content, cryogenic

Definitions

  • oxygen 7 or nitrogen comprises a thermally insulated enclosure Appl' having a battery of upright individual vessels (bottles, flasks or cylinders) containing the liquefied gas at [30] Foreign Application Priority Data least in a bottom portion of each vessel while a top r 3 1972 (Jermam 3237699 portion thereof serves as a vapor space.
  • a conduit network leads from each vapor space and communicates.
  • 51 3 C H 4 74 220 9 LG externally of the chamber with a source of pressuriz- 151 1 Int.
  • the safety I 77 of the system is improved by providing the conduit 7 S fi]; communicating with the liquid space wholly within the i g 8/19 I'M/74 A conduit communicating with the vapor space at least 3:145es0 3/1954 Farkas et ail 11..will: 114/74 A regiom in which the networks lie in the Spaces 3.270.700 9/l966 Kohn et a], 114/74 A twee" receplacies 0f the enclosure, y eliminai' 3537,41 11 1970 Cowlcs A y i i v v l y, 1 14 74 A ing the need for a separate safety valve at each vessel 3.627 l64 l2/l97l Wilson 114/74 A for liquid conduits.
  • SHEET D 6 7V 49b A A 5 LN ,1 m H J M U W Q 2 W! 2 a a H x J fl W j m J W W 7 7// 7 6 Fig. 2
  • Our present invention relates to a container system for the storage and transportation of volatile liquids and especially liquefied gases which are in a gaseous state at ambient temperature and pressure. More particularly, the invention relates to a system for the safe and economical transport of liquefied gases such as liquefied natural gas, liquid oxygen and liquid nitrogen.
  • the economy of the process is based not only upon the low cost of the natural gas, but also upon the convenience of transporting it in a liquid state so that the transportation volume is relatively small but the gas volume at the consumer end is considerably greater.
  • the same advantages may be gained by the transportation of other liquefied gases, especiallly the industrial gases oxygen and nitrogen, from a station convenient to an air-rectification apparatus to a station convenient to the ultimate consumer, e.g., a steel plant using oxygen to blow a steel melt.
  • liquefied gas is used herein to describe liquids which are gaseous at ambient temperature and pressure and which must be stored, if a liquid state is to be maintained, at low temperatures, high pressures or both.
  • receptacles e.g., of steel each holding a quantity of the liquefied gas.
  • a first conduit network is provided with individual branches leading to the vapor space above the liquid level in the receptacle.
  • each receptacle is provided with a branch of a second conduit network communicating with the interior of the receptacle below the level of the liquid therein (e.g., a syphon tube).
  • the second conduit network is connected to a pump and a source of the liquefied gas so that the liquid is charged into the receptacles and the liquid level rises therein, displacing gas from the vapor space through the first conduit network which may be connected to a reservoir collecting the displaced gas.
  • a displacement gas is forced into the receptacles via a first network to assist in driving the liquid through the second network to a storage tank, gasifier or consumer line.
  • the displacement gas may either be the gasified displaced liquid or some inert gas.
  • the second (liquid) network is cut off while the first (vapor) network remains effective to permit controlled evaporation of the liquefied gas and maintain the desired transport or storage temperature.
  • the networks generally lie entirely within the thermally insulated compartment or space in which the battery of receptacles is received, only a single line connected to the networks emerging from this insulated space.
  • each branch at least, of the liquid conduit network with a safety valve at the point at which this branch is connected to the receptacle.
  • the valves are located within the insulated compartment and are designed to cut off the receptacles from the network should a break occur in any of the liquid conduit lines. This prevents large quantities of liquefied gas from flowing into the hold of the ship upon rupture of one of the lines of the network.
  • vales are costly and the unit cost must be multiplied by the number of receptacles which are provided. It is not uncommon. for a tankship to have more than 600 liquefied gas bottles or flasks, each with a respective safety valve. Maintenance of the large number of valves, of course, is also a problem in such systems, especially since all of the valves lie within the cold thermally insulated chamber described earlier.
  • Another object of the invention is to provide a system for the filling, emptying and storage of liquefied gases in individual receptacles, e g., a battery of flasks, bottles, cylinders and the like constituting a storage assembly.
  • individual receptacles e g., a battery of flasks, bottles, cylinders and the like constituting a storage assembly.
  • Still another object of this invention is to increase the safety of storage and transportation of low temperature liquefied gases, especially liquefied natural gas, oxygen and nitrogen whereby the aforementioned disadvantages are obviated.
  • thermally insulated wall means defining an insulated chamber a plurality of upright receptacles (preferably in the form of gas cylinders, bottles or flasks) in the insulated space and having lower liquid-receiving spaces and vapor spaces above the liquid receiving spaces, and a first or vapor conduit network within the chamber and communicating with these vapor spaces for venting gas therefrom and enabling gas-pressurization of the receptacles.
  • a liquid conduit network is provided with branches opening into the liquid space of each receptacle and, in accordance with the present invention, the two networks are provided one within the other, especially with the liquid-conduit network being disposed within the vapor-conduit network.
  • the inner network communicates with the liquid spaces while the outer network communicates with the vapor spaces of the receptacles of the battery.
  • This system is inexpensive, at least by comparison with systems providing a safety valve at each receptacle, is substantially maintenance free since it does not require any valving within the insulated compartment and reduces the risk of danger and even precludes endangerment of the vessel by pipe breakage during the three operating periods or phases (filling, transport and emptying).
  • the advantage of the system is that any break in the liquid conduit network will simply discharge liquid into the surrounding vapor conduit network and will be contained thereby.
  • the liquefied gas is pumped through the inner network to the bottom portion of the receptacle while gas is displaced from the receptacles by the rising liquid level therein.
  • the displaced gas delivered by the outer network to a collector in which the gas is condensed and returned to the liquid compartments or is stored at the shore installation.
  • any break in the liquid conduit network within the insulated chamber will simply deliver a portion of the supplied liquefied gas directly to the outer gas conduit network and then into the reliquefaction cycle listed earlier or into the receptacles inasmuch as the vapor therein is generally displaced without significant counterpressure.
  • the break in the liquid conduit network does not discharage liquid into the thermally insulated hold of the tankship.
  • gas may be released into the hold where it is detected, according to the present invention, by a gas analyzer or sen sor.
  • the sensor upon detection of the gas in the hold generates a signal which closes a valve leading to the inner or liquid conduit network and disposed externally of the hold. Filling can then be stopped and the gas releasesd into the hold vented through the outer conduit network.
  • the outer gas conduit system is connected to a source of compressed gas (e.g., vaporized stores liquid), or an inert gas, thereby increasing the pressure in the vapor spaces of each receptacle and driving the liquid through the inner or liquid conduit network.
  • a source of compressed gas e.g., vaporized stores liquid
  • the liquid conduit network may be connected by a valve externally of the thermally insulated hold to a gasifier or storage tank as described.
  • the inner conduit network is blocked while the outer or vapor conduit is open to the atmosphere and the gas is vented.
  • the break in either the inner or the outer conduit network therefore, does not affect the liquid within the receptacles.
  • the networks are disposed at upper portions of the receptacles and the outer and inner networks pass through these upper portions of the receptacles.
  • the outer network transverses the walls of the receptacles, they are sealed to the outer network, e.g., by welding, ln this case, the branches of the inner network can pass into the outer network directly within the respective receptacle.
  • the conduit system functions to strengthen the assembly of receptacles and the latter provide effective structural support for the outer network.
  • additional means for fastening the receptacles in place within the insulated chamber are eliminated, lnstead of connecting all of the receptacles to common conduits, it is advantageous to subdivide the receptacles into batteries of several receptacles which are provided with respective networks. In this case, the rupture of one of the ducts will only affect a group of receptacles rather than the entire collection of them.
  • FIG. 1 is a vertical section, partly in diagrammatic form, of the system of the present invention as applied to a tankship;
  • FIG. 2 is a view similar to FIG. 1 illustrating another embodiment.
  • FIG. 1 shows a group of five liquefied gas storage receptacles l, 2, 3, 4, 5, in the form of cylinders, bottles or flasks of conventional construction, received in the open space of an insulated chamber 8 defined between thermally insulated walls 6 and 7 and constituting a hold of a ship.
  • Each receptacle 1 5 is provided with a syphon tube ll, l2, l3, l4, 15, extending dwonwardly to a location just above the bottom of the receptacle and within the liquid-storage region thereof.
  • each of the syphon tubes 11 15, which constitute branches of a liquid conduit network is connected to a common conduit 9 which serves to deliver the liquid phase or withdraw it from the receptacles.
  • the outer conduit network 10 serves to discharge gas from the receptacle or to admit pressurized gas thereto when, during the emptying phase, the pressurized gas drives liquid upwardly through the syphon tubes 11 l5 and through conduit 9.
  • cut off valves 16 and 17 are provided for manual operation and for automatic control by a gas analyzesr 18 located within the insulated chamber 8 and responsive to the leakage of gas into the latter.
  • a vent valve 19 is of teh pressure-relief type and may open into the atmosphere at the top of a stack rising from and forming part of the outer network 10.
  • valve 17 is connected to a tank or liquefaction apparatus of conventional design.
  • the pump displaces liquefied gas into the receptacles 1 5
  • the rising liquid drives gas upwardly through the network 10 and out of the system.
  • valve 16 is connected to a compressor which displaces an inert gas (nitrogen) or a gas of the same type as is stored in the receptacles while valve 17 is connected to a discharge line leading to a storage tank, a pump and- /or a gas as, for example. described in connection with the aforementioned copending application.
  • valves 16 and I7 are closed and any pressure developed within the network 10 is vented via valve 19 when this pressure attains a predetermined level.
  • the gas analyzer operates to close the valves 16 and 17 during filling and discharge as previously described.
  • the system in FIG. 2 differs from that of FIG. I in that the outer duct 10 passes through the upper portions of each receptacle 11 I4 and is sealed to the walls thereof by welding at 20 26, thereby constituting of the receptacles and the conduit 10 a rigid structure.
  • the end of pipe 10 abuts the wall of the last receptacle l at 27 as noted.
  • the gas analyzer may be provided as described in connection with FIG. 1 and the venting stack may be an extension of the first receptacle 5.
  • the system of FIG. 2 operates in a manner similar to that of FIG. 1.
  • a system for the storage and/or transport of a lowtemperature liquefied gas comprising:
  • each of said receptacles having a bottom portion adapted to receive a liquefied gas and an upper portion forming a vapor space above the liquefied gas in said receptacle;
  • first conduit network communicating with said vapor spaces of all of said receptacles of said row within said chamber, said first conduit network comprising:
  • a second conduit network communicating with said bottom portions of said receptacles and entirely received in said receptacles and said first network within said chamber, said second network including a first-horizontal tube of relatively small crosssection extending through said duct and emerging therefrom at said one end outside said chamber, and respective small-cross-section second tubes extending vertically from said first tube through said pipes and reaching downwardly into said receptacles substantially to the bottoms thereof;
  • a pressure relief valve communicating with said riser from said duct and selectively operable for chargfor venting said first network; and ing said receptacles with liquefied gas and fearive controllable valves connected to said first charging liquefied gas from said receptacles.

Abstract

A system for the storage and/or transportation of liquefied gases, especially liquefied natural gas, oxygen or nitrogen, comprises a thermally insulated enclosure having a battery of upright individual vessels (bottles, flasks or cylinders) containing the liquefied gas at least in a bottom portion of each vessel while a top portion thereof serves as a vapor space. A conduit network leads from each vapor space and communicates, externally of the chamber with a source of pressurizing gas for discharging the liquid or with a receptacle, reliquefaction apparatus or the like when liquid is pumped into the vessels. A second conduit network opens into the bottom portion of each vessel for introducing the liquefied gas or removing same. The safety of the system is improved by providing the conduit communicating with the liquid space wholly within the conduit communicating with the vapor space at least in regions in which the networks lie in the spaces between receptacles of the enclosure, thereby eliminating the need for a separate safety valve at each vessel for liquid conduits.

Description

United States Patent Becker et al.
June 3, 1975 l l CONTAINER SYSTEM FOR THE STORAGE AND/0R TRANSPORTATION ()F Primary iiiuminerTryg\'e M. Blix LlQUEFlED S Antwan! E.\'un1i11erEdward R. Kazcnskc A *gA t. F"K;1F.R.";H b*t [75] Inventors: Rudolf Becker: Wolfgang Becker. norm m ms U u Dubno both of Munich. (iermany [73] Assignec: Linde Akliengesellschaft. 57 ABSTRACT w'cbbadcn German) A system for the storage and/or transportation of liq- [22] Filed: Apr. 26, l973 uefied gases, especially liquefied natural gas. oxygen 7 or nitrogen, comprises a thermally insulated enclosure Appl' having a battery of upright individual vessels (bottles, flasks or cylinders) containing the liquefied gas at [30] Foreign Application Priority Data least in a bottom portion of each vessel while a top r 3 1972 (Jermam 3237699 portion thereof serves as a vapor space. A conduit network leads from each vapor space and communicates. 51 3 C H 4 74 220 9 LG externally of the chamber with a source of pressuriz- 151 1 Int. Cl B63b 25/12 ing 2 for discharging the liquid or with a receptacle 53 Field f S h M 14 74 A 74 220 9 LG reliquefaction apparatus or the like when liquid is pumped into the vesselsv A second conduit network 5 References Cited opens into the bottom portion of each vessel for intro- UNITED STATES PATENTS ducing the liquefied gas or removing same. The safety I 77 of the system is improved by providing the conduit 7 S fi]; communicating with the liquid space wholly within the i g 8/19 I'M/74 A conduit communicating with the vapor space at least 3:145es0 3/1954 Farkas et ail 11..will: 114/74 A regiom in which the networks lie in the Spaces 3.270.700 9/l966 Kohn et a], 114/74 A twee" receplacies 0f the enclosure, y eliminai' 3537,41 11 1970 Cowlcs A y i i v v l y, 1 14 74 A ing the need for a separate safety valve at each vessel 3.627 l64 l2/l97l Wilson 114/74 A for liquid conduits. 3.659.543 5/1972 Basile et al. 1 114/74 A u 3.762.175 10/1973 Jones 220/9 LG 1 Claim 2 Drawing figures l 7 9 10 p- I 11 I, in "'1 I l 5 1 I 1 i 1 l j: J; J: :j' i' l i. :1 :1 i: 11 i r 35- 5 33- 1 a 1 a 2- 5 Z s T 1 T. Z I #-6 T T E V \2) V 1 \Z/ V Y i 1 1 5 7 6 SHEET Fig.1
SHEET D 6 7V 49b A A 5 LN ,1 m H J M U W Q 2 W! 2 a a H x J fl W j m J W W 7 7// 7 6 Fig. 2
1 CONTAINER SYSTEM FOR THE STORAGE AND/OR TRANSPORTATION OF LIQUEFIED GAS CROSS-REFERENCE TO RELATED APPLICATION The present application is related to the commonly assigned application Ser. No. 3l8,l6l filed Dec. 26. I972 by Rudolf Becker, one of the present applicants.
FIELD OF THE INVENTION Our present invention relates to a container system for the storage and transportation of volatile liquids and especially liquefied gases which are in a gaseous state at ambient temperature and pressure. More particularly, the invention relates to a system for the safe and economical transport of liquefied gases such as liquefied natural gas, liquid oxygen and liquid nitrogen.
BACKGROUND OF THE INVENTION In recent years the transportation of low-temperature liquefied gases from a source to an ultimate consumer has become ofincreasing importance especially for socalled energy" gases and industrial gases. For example, a practical solution to energy crises or insufficiency in urban areas and in low-fuel areas has been the liquefaction of natural gas (methane) at a source thereof, the delivery of the liquefied gas from a storage tank at a site convenient to the source of a tankship (tanker) or other transport vehicle, the discharge of the liquefied gas at a site convenient to consumption and distribution, the storage of the liquefied gas at this latter site, and the regasification of the stored liquid prior to delivery to the ultimate consumer. The economy of the process is based not only upon the low cost of the natural gas, but also upon the convenience of transporting it in a liquid state so that the transportation volume is relatively small but the gas volume at the consumer end is considerably greater. The same advantages may be gained by the transportation of other liquefied gases, especiallly the industrial gases oxygen and nitrogen, from a station convenient to an air-rectification apparatus to a station convenient to the ultimate consumer, e.g., a steel plant using oxygen to blow a steel melt. Thus the term liquefied gas" is used herein to describe liquids which are gaseous at ambient temperature and pressure and which must be stored, if a liquid state is to be maintained, at low temperatures, high pressures or both. It has been found to be desirable to minimize the pressure under which such liquefied gases are stored and transported and hence most installations for the storage and transport of large quantities ofliquefied gas have made use of insulating techniques, controlled evaporation and the like to maintain a sufficiently low temperature in the storage compartments.
It has been proposed previously to provide, within the thermally insulated storage compartments of a tankship for liquefied gas, liquid oxygen or liquid nitrogen, batteries of cylinders. flasks or bottles (hereinafter simply denominated receptacles), e.g., of steel each holding a quantity of the liquefied gas. For convenience in filling these receptacles and in discharging the liquid therefrom, a first conduit network is provided with individual branches leading to the vapor space above the liquid level in the receptacle. In addition, each receptacle is provided with a branch of a second conduit network communicating with the interior of the receptacle below the level of the liquid therein (e.g., a syphon tube). During filling of the receptacles, the second conduit network is connected to a pump and a source of the liquefied gas so that the liquid is charged into the receptacles and the liquid level rises therein, displacing gas from the vapor space through the first conduit network which may be connected to a reservoir collecting the displaced gas. During emptying of the receptacles, a displacement gas is forced into the receptacles via a first network to assist in driving the liquid through the second network to a storage tank, gasifier or consumer line. The displacement gas may either be the gasified displaced liquid or some inert gas. During transportation of the gas, the second (liquid) network is cut off while the first (vapor) network remains effective to permit controlled evaporation of the liquefied gas and maintain the desired transport or storage temperature.
The networks generally lie entirely within the thermally insulated compartment or space in which the battery of receptacles is received, only a single line connected to the networks emerging from this insulated space.
It will be apparent that rupture of any branch of the liquid conduit network within the insulated space will pose a substantial danger to the transport vehicle or vessel because the liquefied gas will pass into the space around the individual receptacles and, because of its low temperature, cause thermal contraction and rupture of the walls of the chamber. In addition, the small quantity of discharged liquefied gas, upon attaining a temperature above its boiling point, spontaneously undergoes a manifold increase in volume, providing the danger of mechanical rupture and explosion.
To reduce these dangers, it has been the common practice to provide each branch, at least, of the liquid conduit network with a safety valve at the point at which this branch is connected to the receptacle. The valves are located within the insulated compartment and are designed to cut off the receptacles from the network should a break occur in any of the liquid conduit lines. This prevents large quantities of liquefied gas from flowing into the hold of the ship upon rupture of one of the lines of the network.
However, the use of such vales is disadvantageous because the valves are costly and the unit cost must be multiplied by the number of receptacles which are provided. It is not uncommon. for a tankship to have more than 600 liquefied gas bottles or flasks, each with a respective safety valve. Maintenance of the large number of valves, of course, is also a problem in such systems, especially since all of the valves lie within the cold thermally insulated chamber described earlier.
OBJECT OF THE INVENTION It is the principal object of the present invention to provide a container system for the storage and/or transport of low-temperature liquefied gases in separate receptacles, especially of a tankship, in which the cost of the installation can be reduced and the safety increased.
Another object of the invention is to provide a system for the filling, emptying and storage of liquefied gases in individual receptacles, e g., a battery of flasks, bottles, cylinders and the like constituting a storage assembly.
Still another object of this invention is to increase the safety of storage and transportation of low temperature liquefied gases, especially liquefied natural gas, oxygen and nitrogen whereby the aforementioned disadvantages are obviated.
SUMMARY OF THE INVENTION We have now discovered that the aforedescribed objects can be attained conveniently and simply by providing the liquid conduit network wholly within the passages of the vapor conduit network at least over the portions of these networks which are within the thermally insulated chamber receiving the battery of receptacles.
More specifically, the aforementioned objects are achieved by providing, in a system for the storage and- /or transportation of liquefied gases, especially liquefied natural gas, liquefied oxygen, liquefied nitrogen and any low-temperature liquid which is gaseous at ambient pressure and temperature, thermally insulated wall means defining an insulated chamber a plurality of upright receptacles (preferably in the form of gas cylinders, bottles or flasks) in the insulated space and having lower liquid-receiving spaces and vapor spaces above the liquid receiving spaces, and a first or vapor conduit network within the chamber and communicating with these vapor spaces for venting gas therefrom and enabling gas-pressurization of the receptacles. In addition, a liquid conduit network is provided with branches opening into the liquid space of each receptacle and, in accordance with the present invention, the two networks are provided one within the other, especially with the liquid-conduit network being disposed within the vapor-conduit network. Hence the inner network communicates with the liquid spaces while the outer network communicates with the vapor spaces of the receptacles of the battery.
This system is inexpensive, at least by comparison with systems providing a safety valve at each receptacle, is substantially maintenance free since it does not require any valving within the insulated compartment and reduces the risk of danger and even precludes endangerment of the vessel by pipe breakage during the three operating periods or phases (filling, transport and emptying). The advantage of the system is that any break in the liquid conduit network will simply discharge liquid into the surrounding vapor conduit network and will be contained thereby.
During the filling of the receptacles of, for example, a tankship with liquefied gas, e.g., from a tank on shore, the liquefied gas is pumped through the inner network to the bottom portion of the receptacle while gas is displaced from the receptacles by the rising liquid level therein. The displaced gas, delivered by the outer network to a collector in which the gas is condensed and returned to the liquid compartments or is stored at the shore installation. During filling in this manner, any break in the liquid conduit network within the insulated chamber will simply deliver a portion of the supplied liquefied gas directly to the outer gas conduit network and then into the reliquefaction cycle listed earlier or into the receptacles inasmuch as the vapor therein is generally displaced without significant counterpressure. In either case, the break in the liquid conduit network does not discharage liquid into the thermally insulated hold of the tankship. Should, during filling, rupture of the outer or gas conduit network occur, gas may be released into the hold where it is detected, according to the present invention, by a gas analyzer or sen sor. The sensor, upon detection of the gas in the hold generates a signal which closes a valve leading to the inner or liquid conduit network and disposed externally of the hold. Filling can then be stopped and the gas releasesd into the hold vented through the outer conduit network.
For the highly improbably case in which both networks rupture during filling, gas is admitted to the hold space as noted earlier while liquid must flow through the outer network until it finds an escape opening. The liquid is thereby distributed and only in the region of the leak in relatively small quantities emerges into the hold. The greater part of the liquid will normally find its way into the receptacles in spite of the defect in the outer conduit network. In this case as well the gas analyzer automatically and immediately cuts off the inner conduit network while the gases, leaking from the networks are vented into the atmosphere by a chimney or stack communicating with the hold.
During emptying of the receptacles under pressurized gas, the outer gas conduit system is connected to a source of compressed gas (e.g., vaporized stores liquid), or an inert gas, thereby increasing the pressure in the vapor spaces of each receptacle and driving the liquid through the inner or liquid conduit network. The liquid conduit network may be connected by a valve externally of the thermally insulated hold to a gasifier or storage tank as described.
Should a break occur under these conditions in the inner conduit network, additional gas enters the liquid line and, with a small break, the result is only a reduction in the efficiency with which the liquid is discharged from the tank. With large leakages, a pressure equalization occurs between the inner and outer conduit networks and ultimately displacement of the liquid by the gas terminates.
in the event of a break in the outer network or any rupture in both networks, the result is the same as that obtained during filling with exception that the gas analyzer closes off the source of pressurized gas leading to the outer network. The gas collected in the thermally insulated hold is then vented through a stack as de scribed previously.
Should rupture occur during the transport phase, the inner conduit network is blocked while the outer or vapor conduit is open to the atmosphere and the gas is vented. The break in either the inner or the outer conduit network, therefore, does not affect the liquid within the receptacles.
According to a particularly advantageous construction of the system according to the present invention, which finds its greatest significance when the latter is used in a tankship, the networks are disposed at upper portions of the receptacles and the outer and inner networks pass through these upper portions of the receptacles. Where the outer network transverses the walls of the receptacles, they are sealed to the outer network, e.g., by welding, ln this case, the branches of the inner network can pass into the outer network directly within the respective receptacle. Thus greater utilization of the space within the insulated chamber is ensured. Since the walls of the receptacle are thus rigid at least with the conduits of the outer network, the conduit system functions to strengthen the assembly of receptacles and the latter provide effective structural support for the outer network. Thus additional means for fastening the receptacles in place within the insulated chamber are eliminated, lnstead of connecting all of the receptacles to common conduits, it is advantageous to subdivide the receptacles into batteries of several receptacles which are provided with respective networks. In this case, the rupture of one of the ducts will only affect a group of receptacles rather than the entire collection of them.
While the invention as described is particularly applicable to a tankship and the subsequent description will deal with the application of the invention to such vessels, the principle is similarly applicable to other storage and transport systems. Whenever (e.g., upon land in a storage installation or upon railroad cars or automotive vehicles), it is desired to charge and discharage a number of receptacles with liquefied gas, the system of conduits one inside the other may be used to advantage.
DESCRIPTION OF THE DRAWING The above and other objects, features and advantages will become more readily apparent from the following description, reference being made to the accompanying drawing in which:
FIG. 1 is a vertical section, partly in diagrammatic form, of the system of the present invention as applied to a tankship; and
FIG. 2 is a view similar to FIG. 1 illustrating another embodiment.
SPECIFIC DESCRIPTION FIG. 1 shows a group of five liquefied gas storage receptacles l, 2, 3, 4, 5, in the form of cylinders, bottles or flasks of conventional construction, received in the open space of an insulated chamber 8 defined between thermally insulated walls 6 and 7 and constituting a hold of a ship. Each receptacle 1 5 is provided with a syphon tube ll, l2, l3, l4, 15, extending dwonwardly to a location just above the bottom of the receptacle and within the liquid-storage region thereof. Above the receptacles I 5, each of the syphon tubes 11 15, which constitute branches of a liquid conduit network, is connected to a common conduit 9 which serves to deliver the liquid phase or withdraw it from the receptacles. The network 9, etc., in the regions thereof external of the receptacles 1 5, lies wholly within the outer conduit network 10 which communicates via downwardly extending branches with the vapor space above the liquid in each receptacle. Where the syphon tubes reach above the receptacle, therefore, they are coaxial with these downwardly extending portions of network 10.
The outer conduit network 10 serves to discharge gas from the receptacle or to admit pressurized gas thereto when, during the emptying phase, the pressurized gas drives liquid upwardly through the syphon tubes 11 l5 and through conduit 9. Externally of the insulated chamber, cut off valves 16 and 17 are provided for manual operation and for automatic control by a gas analyzesr 18 located within the insulated chamber 8 and responsive to the leakage of gas into the latter. A vent valve 19 is of teh pressure-relief type and may open into the atmosphere at the top of a stack rising from and forming part of the outer network 10.
During filling of the receptacles l 5, the valve 17 is connected to a tank or liquefaction apparatus of conventional design. As the pump displaces liquefied gas into the receptacles 1 5, the rising liquid drives gas upwardly through the network 10 and out of the system. During discharge of the liquefied gas, however, valve 16 is connected to a compressor which displaces an inert gas (nitrogen) or a gas of the same type as is stored in the receptacles while valve 17 is connected to a discharge line leading to a storage tank, a pump and- /or a gas as, for example. described in connection with the aforementioned copending application. The pres sure applied at network 10 forces the liquid downwardly in each receptacle 1 5 and displaces the same upwardly through the respective riser tubes ll l5 and into the conduit 9. During transport, valves 16 and I7 are closed and any pressure developed within the network 10 is vented via valve 19 when this pressure attains a predetermined level. With rupture of either of the conduits within the chamber 8, the gas analyzer operates to close the valves 16 and 17 during filling and discharge as previously described.
The system in FIG. 2 differs from that of FIG. I in that the outer duct 10 passes through the upper portions of each receptacle 11 I4 and is sealed to the walls thereof by welding at 20 26, thereby constituting of the receptacles and the conduit 10 a rigid structure. The end of pipe 10 abuts the wall of the last receptacle l at 27 as noted. In the embodiment of FIG. 2, moreover, the gas analyzer may be provided as described in connection with FIG. 1 and the venting stack may be an extension of the first receptacle 5. The system of FIG. 2, of course, operates in a manner similar to that of FIG. 1.
We claim:
1. A system for the storage and/or transport of a lowtemperature liquefied gas, said system comprising:
a plurality of thermally insulated walls defining an open-space storage chamber;
a plurality of generally upright vertically elongated liquiefied-gas storage receptacles disposed in said chamber in spaced relationship in a row, each of said receptacles having a bottom portion adapted to receive a liquefied gas and an upper portion forming a vapor space above the liquefied gas in said receptacle;
a first conduit network communicating with said vapor spaces of all of said receptacles of said row within said chamber, said first conduit network comprising:
a horizontal Iarge-cross-section dust spaced directly above said receptacles and extending along said row over all of the receptacles thereof;
a respective large diameter pipe fixed centrally to each of said receptacles and extending vertically therefrom to terminate at said duct while communicating between the respective vapor space and said duct, and
a vertical riser extending upwardly from said duct through one of said walls, said duct having an end extending into another of said walls;
a second conduit network communicating with said bottom portions of said receptacles and entirely received in said receptacles and said first network within said chamber, said second network including a first-horizontal tube of relatively small crosssection extending through said duct and emerging therefrom at said one end outside said chamber, and respective small-cross-section second tubes extending vertically from said first tube through said pipes and reaching downwardly into said receptacles substantially to the bottoms thereof;
a pressure relief valve communicating with said riser from said duct and selectively operable for chargfor venting said first network; and ing said receptacles with liquefied gas and disrespective controllable valves connected to said first charging liquefied gas from said receptacles.
network and to the end of said first tube emerging

Claims (1)

1. A system for the storage and/or transport of a lowtemperature liquefied gas, said system comprising: a plurality of thermally insulated walls defining an open-space storage chamber; a plurality of generally upright vertically elongated liquiefied-gas storage receptacles disposed in said chamber in spaced relationship in a row, each of said receptacles having a bottom portion adapted to receive a liquefied gas and an upper portion forming a vapor space above the liquefied gas in said receptacle; a first conduit network communicating with said vapor spaces of all of said receptacles of said row within said chamber, said first conduit network comprising: a horizontal large-cross-section dust spaced directly above said receptacles and extending along said row over all of the receptacles thereof; a respective large diameter pipe fixed centrally to each of said receptacles and extending vertically therefrom to terminate at said duct while communicating between the respective vapor space and said duct, and a vertical riser extending upwardly from said duct through one of said walls, said duct having an end extending into another of said walls; a second conduit network communicating with said bottom portions of said receptacles and entirely received in said receptacles and said first network within said chamber, said second network including a first-horizontal tube of relatively small crosssection extending through said duct and emerging therefrom at said one end outside said chamber, and respective small-crosssection second tubes extending vertically from said first tube through said pipes and reaching downwardly into said receptacles substantially to the bottoms thereof; a pressure relief valve communicating with said riser for venting said first network; and respective controllable valves connected to said first network and to the end of said first tube emerging from said duct and selectively operable for charging said receptacles with liquefied gas and discharging liquefied gas from said receptacles.
US354887A 1972-07-31 1973-04-26 Container system for the storage and/or transportation of liquefied gas Expired - Lifetime US3886885A (en)

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US6339996B1 (en) * 1999-04-19 2002-01-22 Mr. Steven Campbell Natural gas composition transport system and method
US6655155B2 (en) * 2000-09-05 2003-12-02 Enersea Transport, Llc Methods and apparatus for loading compressed gas
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US20040074430A1 (en) * 2001-02-16 2004-04-22 Per Lothe Manifold device for pressure vessels
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WO2005007505A1 (en) * 2003-07-22 2005-01-27 Knutsen Oas Shipping As Method and device for protecting a vessel’s loading space from excess pressure
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US20070125286A1 (en) * 2003-07-22 2007-06-07 Per Lothe Method and device for protecting a vessel's loading space from excess pressure
US7363870B2 (en) * 2003-07-22 2008-04-29 Knutsen Oas Shipping As Method and device for protecting a vessel's loading space from excess pressure
US20060225436A1 (en) * 2004-02-19 2006-10-12 Baudat Ned P Cold box storage apparatus for lng tanks and methods for processing, transporting and/or storing lng
US7146817B2 (en) * 2004-02-19 2006-12-12 Mustang Engineering L.P. Cold box storage apparatus for LNG tanks and methods for processing, transporting and/or storing LNG
US20100258572A1 (en) * 2006-06-13 2010-10-14 Nicolantonio Luongo Multi-cell tank for pressurised gas
US20080206121A1 (en) * 2006-07-12 2008-08-28 Narsingh Bahadur Singh Solid solution wide bandgap semiconductor materials
US9217603B2 (en) 2007-09-13 2015-12-22 Battelle Energy Alliance, Llc Heat exchanger and related methods
US8544295B2 (en) 2007-09-13 2013-10-01 Battelle Energy Alliance, Llc Methods of conveying fluids and methods of sublimating solid particles
US9574713B2 (en) 2007-09-13 2017-02-21 Battelle Energy Alliance, Llc Vaporization chambers and associated methods
US9254448B2 (en) 2007-09-13 2016-02-09 Battelle Energy Alliance, Llc Sublimation systems and associated methods
US8061413B2 (en) 2007-09-13 2011-11-22 Battelle Energy Alliance, Llc Heat exchangers comprising at least one porous member positioned within a casing
US20090071634A1 (en) * 2007-09-13 2009-03-19 Battelle Energy Alliance, Llc Heat exchanger and associated methods
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US20120159970A1 (en) * 2009-09-01 2012-06-28 Wilfried-Henning Reese Filling containers with compressed media
US8555672B2 (en) 2009-10-22 2013-10-15 Battelle Energy Alliance, Llc Complete liquefaction methods and apparatus
US8899074B2 (en) 2009-10-22 2014-12-02 Battelle Energy Alliance, Llc Methods of natural gas liquefaction and natural gas liquefaction plants utilizing multiple and varying gas streams
US20110094261A1 (en) * 2009-10-22 2011-04-28 Battelle Energy Alliance, Llc Natural gas liquefaction core modules, plants including same and related methods
US20110094263A1 (en) * 2009-10-22 2011-04-28 Battelle Energy Alliance, Llc Methods of natural gas liquefaction and natural gas liquefaction plants utilizing multiple and varying gas streams
WO2013083169A1 (en) * 2011-12-05 2013-06-13 Blue Wave Co S.A. Multilayer pressure vessel
US10655911B2 (en) 2012-06-20 2020-05-19 Battelle Energy Alliance, Llc Natural gas liquefaction employing independent refrigerant path
WO2014046900A1 (en) * 2012-09-19 2014-03-27 Linde Aktiengesellschaft Integrated dispensing station
CN103353061A (en) * 2013-06-24 2013-10-16 江苏荣成特种装备工程有限公司 Low temperature storage tank
US20170108313A1 (en) * 2015-10-14 2017-04-20 Luke K. Chang Mobile chemical agent delivery system
RU2723205C1 (en) * 2019-10-31 2020-06-09 Евгений Сергеевич Солдатов Multimodal container for transportation and storage of liquefied cryogenic gases
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Also Published As

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NO133461B (en) 1976-01-26
JPS4945418A (en) 1974-04-30
ES412533A1 (en) 1976-01-01
DE2237699A1 (en) 1974-02-21
SE381233B (en) 1975-12-01
NO133461C (en) 1976-05-05
FR2194913A1 (en) 1974-03-01
IT991381B (en) 1975-07-30
FR2194913B3 (en) 1976-05-14
NL7304612A (en) 1974-02-04
GB1371750A (en) 1974-10-23

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